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HomeMy WebLinkAbout; Appendix K - Calcs - San Marcos Creek Basin; Storm Water; 1991-03-01.. COOPER ENGt"G ASSOCIATES . .>...: , ~. . __ . ' , VENTURE :. .h .. .. i ,~ 3 ,> '. . .. . .< . . INDEX SAN MARCOS CREEK BASIN Proposed Line Line DA .......................................................... 70~ DB .......................................................... 709 DC .......................................................... 7a2 DD .......................................................... 775 DE .......................................................... 755 DF .......................................................... 77? DG .......................................................... 966 DH .......................................................... 925 DI .......................................................... a56 DJ .......................................................... a47 DK .......................................................... a76 DL .......................................................... 796 DM .......................................................... 959 DN .......................................................... a09 DO .......................................................... a02 DP .......................................................... 952 DU .......................................................... 725 DY .......................................................... 960 MAJOR BRIDGES ............................................... 9~1 USER SPECIFIED RUNOFF COEFFICIENTS .......................... 97a DESILTATION BASIN CALCULATIONS .............................. ga6 ............................................................................ - RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE Reference: SAN DIEGO COUNTY FL43OD CONTROL DISTRICT 1985,1981 HYDROLOGY MANUAL (c) Copyright 1982-88 Advanced Engineering Software (aes) Analysis prepared by: Ver. 4.1A Release Date: 1/09/89 Serial # 3454 COOPER ENGINEERING ASSOCIATES 8369 VICKERS ST., STE. C SAN DIEGO, CA. 92111 (619) 277-0441 .......................... DESCRIPTION OF STUDY .......................... * CARLSBAD MASTER DRAINAGE PLAN * * D1.RES * .......................................................................... * SAN MARCOS CREEK BASIN (BASIN I'D") - LINES "DA", "DB", "DU" * FILE NAME: D1.DAT TIME/DATE OF STUDY: 13:32 3/28/1990 USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: ............................................................................ ............................................................................ 1985 SAN DIEGO MANUAL CRITERIA - USER SPECIFIED STORM EVENT(YEAR) = 100.00 6-HOUR DURATION PRECIPITATION (INCHES) = 2.500 SPECIFIED MINIMUM PIPE SIZE(1NCH) = 18.00 SPECIFIED PERCENT OF GRADIENTS(DEC1MAL) TO USE FOR FRICTION SLOPE = .95 SAN DIEGO HYDROLOGY MANUAL "C"-VALUES USED &INE "DA" ............................................................................ FLOW PROCESS FROM NODE 820.01 TO NODE 820.02 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< ............................................................................ SOIL CLASSIFICATION IS "D" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8500 INITIAL SUBAREA FLOW-LENGTH(FEET) = 570.00 UPSTREAM ELEVATION = 65.00 DOWNSTREAM ELEVATION = 61.00 ELEVATION DIFFERENCE = 4.00 URBAN SUBAREA OVERLAND TIME OF FLoW(M1NUTES) = 12.287 *CAUTION: SUBAREA FLOWLENGTH EXCEEDS COUNTY NOMOGRAPH DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED. - 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.688 SUBAREA RUNOFF(CFS) = 7.84 TOTAL AREA(ACRES) = 2.50 TOTAL RUNOFF(CFS) = 7.84 ............................................................................ FLOW PROCESS FROM NODE 820.02 TO NODE 820.03 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< ............................................................................ ............................................................................ ............................................................................ PIPEFLOW VELOCITY(FEET/SEC.) = 4.4 UPSTREAM NODE ELEVATION = 61.00 DOWNSTREAM NODE ELEVATION = 60.40 FLOWLENGTH(FEET) = 303.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 7.84 TRAVEL TIME(M1N.) = 1.14 TC(M1N.) = 13.43 ............................................................................ FLOW PROCESS FROM NODE 820.03 TO NODE 820.03 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ -___---__-__---------------------------------------------------------------- _____________-_------------------------------------------------------------- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.483 SOIL CLASSIFICATION IS "D" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8500 SUBAREA AREA(ACRES) = 7.10 SUBAREA RUNOFF(CFS) = 21.02 TOTAL AREA(ACRES) = 9.60 TOTAL RUNOFF(CFS) = 28.86 TC(M1N) = 13.43 ............................................................................ FLOW PROCESS FROM NODE 820.03 TO NODE 820.04 IS CODE = 6 ............................................................................ >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< UPSTREAM ELEVATION = 60.40 DOWNSTREAM ELEVATION = 49.00 STREET LENGTH(FEET) = 980.00 CURB HEIGTH(1NCHES) = 6. STREET HALFWIDTH(FEET) = 20.00 STREET CROSSFALL(DEC1MAL) = .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 40.37 NOTE: STREETFLOW EXCEEDS TOP OF CURB. ............................................................................ ***STREET FLOWING FULL*** THE FOLLOWING STREETFLOW RESULTS ARE BASED ON THE ASSUMPTION THAT NEGLIBLE FLOW OCCURS OUTSIDE OF THE STREET CHANNEL. THAT IS, ALL FLOW ALONG THE PARKWAY, ETC., IS NEGLECTED. STREET FLoWDEPTH(FEET) = .56 HALFSTREET FLOODWIDTH(FEET) = 20.00 AVERAGE FLOW VELOCITY(FEET/SEC.) = 4.29 PRODUCT OF DEPTH&VELOCITY = 2.38 STREETFLOW TRAVELTIME(M1N) = 3.81 TC(M1N) = 17.23 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.965 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 14.00 SUBAREA RUNOFF(CFS) = 22.83 END OF SUBAREA STREETFLOW HYDRAULICS : DEPTH(FEET) = .59 HALFSTREET FLOODWIDTH(FEET) = 20.00 .- SUMMED AREA(ACRES) = 23.60 TOTAL RUNOFF(CFS) = 51.69 FLOW VELOCITY(FEET/SEC.) = 4.71 DEPTH*VELOCITY = 2.80 ............................................................................ FLOW PROCESS FROM NODE 820.04 TO NODE 820.05 IS CODE = 3 IIDAII ............................................................................ >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IN 45.0 INCH PIPE IS 33.5 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 5.9 UPSTREAM NODE ELEVATION = 49.00 DOWNSTREAM NODE ELEVATION = 47.46 FLOWLENGTH(FEET) = 770.00 MANNINGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 45.00 NUMBER OF PIPES = 1 PIPEFMW THRU SUBAREA(CFS) = 51.69 TRAVEL TIME(M1N.) = 2.19 TC(M1N.) = 19.42 * PROPOSED 48" RCP ________________________________________---------------------------------_-- _____________--------------------------------------------------------------- ............................................................................ FLOW PROCESS FROM NODE 820.05 TO NODE 820.05 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ________________________________________------------------------------------ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.745 SOIL CLASSIFICATION IS "A" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .4000 SUBAREA AREA(ACRES) = 33.20 SUBAREA RUNOFF(CFS) = 36.45 TC(M1N) = 19.42 - TOTAL AREA(ACRES) = 56.80 TOTAL RUNOFF(CFS) = 88.15 ............................................................................ FLOW PROCESS FROM NODE 820.05 TO NODE 820.06 IS CODE = 3 IIDAII -----------------__-____________________------------------------------------ >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IN 51.0 INCH PIPE IS 41.6 INCHES PIPEFMW VELOCITY(FEET/SEC.) = 7.1 UPSTREAM NODE ELEVATION = 47.76 DOWNSTREAM NODE ELEVATION = 46.16 FLOWLENGTH(FEET) = 650.00 MA"1NGS N = -012 ESTIMATED PIPE DIAMETER(1NCH) = 51.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 88.15 TRAVEL TIME(M1N.) = 1.52 TC(M1N.) = 20.95 * PROPOSED 54" RCP ............................................................................ ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 820.06 TO NODE 820.06 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ________________________________________------------------------------------ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.614 - SOIL CLASSIFICATION IS "A" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .4000 SUBAREA AREA(ACRES) = 23.00 SUBAREA RUNOFF(CFS) = 24.05 7n 3 TOTAL AREA(ACRES) = 79.80 TOTAL RUNOFF(CFS) = 112.20 TC(M1N) = 20.95 - ............................................................................ FLOW PROCESS FROM NODE 820.06 TO NODE 820.07 IS CODE = 3 IIDAII ............................................................................ >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IN 60.0 INCH PIPE IS 45.0 INCHES PIPEFLOW VELOCITY (FEET/SEC. ) = 7.1 UPSTREAM NODE ELEVATION = 46.16 DOWNSTREAM NODE ELEVATION = 44.84 FLOWLENGTH(FEET) = 660.00 MA"1NGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 60.00 NUMBER OF PIPES = 1 TRAVEL TIME(M1N.) = 1.55 TC(M1N.) = 22.50 ____________________---------------------------------------------------===== _____-_-_--_--_--__------------------------- PIPEFLOW THRU SUBAREA(CFS) = 112.20 ............................................................................ FLOW PROCESS FROM NODE 820.07 TO NODE 820.07 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ________________________________________------------------------------------ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.497 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .7000 TOTAL AREA(ACRES) = 103.00 TOTAL RUNOFF(CFS) = 152.75 TC(M1N) = 22.50 - SUBAREA AREA(ACRES) = 23.20 SUBAREA RUNOFF(CFS) = 40.55 ............................................................................ FLOW PROCESS FROM NODE 820.07 TO NODE 820.08 IS CODE = 3 ............................................................................ >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IN 66.0 INCH PIPE IS 52.0 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 7.6 UPSTREAM NODE ELEVATION = 44.84 DOWNSTREAM NODE ELEVATION = 42.60 FLOWLENGTH(FEET) = 1120.00 MA"1NGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 66.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 152.75 TRAVEL TIME(M1N.) = 2.46 TC(M1N.) = 24.95 ________________________________________-----------------------------------= ____-_______----__------------------------------------------------ ............................................................................ FLOW PROCESS FROM NODE 820.08 TO NODE 820.08 IS CODE = 8 ............................................................................ >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.335 SOIL CLASSIFICATION IS "A" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .4000 SUBAREA AREA(ACRES) = 32.50 SUBAREA RUNOFF(CFS) = 30.36 TOTAL AREA(ACRES) = 135.50 TOTAL RUNOFF(CFS) = 183.11 TC(M1N) = 24.95 7 ............................................................................ FLOW PROCESS FROM NODE 820.08 TO NODE 820.09 IS CODE = 3 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IN 72.0 INCH PIPE IS 54.2 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 8.0 UPSTREAM NODE ELEVATION = 42.60 DOWNSTREAM NODE ELEVATION = 41.06 FLOWLENGTH(FEET) = 770.00 MA"1NGS N = .012 ESTIMATED PIPE DIAMETER (INCH) = 72.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 183.11 TRAVEL TIME(M1N.) = 1.60 TC(M1N.) = 26.55 ............................................................................ ________________________________________------------------------------------ ________________________________________------------------------------------ ............................................................................ FLOW PROCESS FROM NODE 820.09 TO NODE 820.09 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ______________-----_____________________------------------------------------ ____________________-------------------------------------------------------- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.244 SOIL CLASSIFICATION IS "A" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .4000 TOTAL AREA(ACRES) = 169.70 TOTAL RUNOFF(CFS) = 213.80 TC(M1N) = 26.55 - SUBAREA AREA(ACRES) = 34.20 SUBAREA RUNOFF(CFS) = 30.69 ............................................................................ FLOW PROCESS FROM NODE 820.09 TO NODE 820.10 IS CODE = 3 IIDAII ............................................................................ >>>>>COMPUTE PIPEFMW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IN 75.0 INCH PIPE IS 58.9 INCHES PIPEFMW VEMCITY(FEET/SEC.) = 8.3 UPSTREAM NODE ELEVATION = 41.06 DOWNSTREAM NODE ELEVATION = 40.64 FLOWLENGTH(FEET) = 210.00 MA"1NGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 75.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 213.80 TRAVEL TIME(M1N.) = .42 TC(M1N.) = 26.98 ............................................................................ ________________________________________------------------------------------ ............................................................................ FLOW PROCESS FROM NODE 820.10 TO NODE 820.10 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 26.98 ............................................................................ ............................................................................ RAINFALL INTENSITY (INCH./HOUR) = 2.22 TOTAL STREAM AREA (ACRES) = 169.70 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 213.80 - TO PAGE -907 - ............................................................................ FLOW PROCESS FROM NODE 820.13 TO NODE 820.12 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .7000 INITIAL SUBAREA FLQW-LENGTH(FEET) = 500.00 UPSTREAM ELEVATION = 71.00 DOWNSTREAM ELEVATION = 54.00 ELEVATION DIFFERENCE = 17.00 URBAN SUBAREA OVERLAND TIME OF FLOW(M1NUTES) = 13.396 *CAUTION: SUBAREA SLOPE EXCEEDS COUNTY NOMOGRAPH ............................................................................ ___________________-____________________------------------------------------ ___________________-____________________------------------------------------ DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED. 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.488 SUBAREA RUNOFF(CFS) = 12.70 TOTAL AREA(ACRES) = 5.20 TOTAL RUNOFF(CFS) = 12.70 ............................................................................ FLOW PROCESS FROM NODE 820.12 TO NODE 820.11 IS CODE = 6 >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< UPSTREAM ELEVATION = 54.00 DOWNSTREAM ELEVATION = 41.10 STREET LENGTH(FEET) = 670.00 CURB HEIGTH(1NCHES) = 6. STREET HALFWIDTH(FEET) = 20.00 STREET CROSSFALL(DEC1MAL) = .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 23.57 STREET FLOWDEPTH(FEET) = .45 HALFSTREET FLOODWIDTH(FEET) = 16.24 AVERAGE FLOW VELOCITY(FEET/SEC.) = 4.28 PRODUCT OF DEPTH&VELOCITY = 1.93 ............................................................................ ________________________________________------------------------------------ ............................................................................ - STREETFLOW TRAVELTIME(M1N) = 2.61 TC(M1N) = 16.01 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.110 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .7000 SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 21.77 END OF SUBAREA STREETFLOW HYDRAULICS: DEFTH(FEET) = .51 HALFSTREET FLOODWIDTH(FEET) = 19.13 FLOW VELOCITY(FEET/SEC.) = 4.56 DEPTH*VELOCITY = 2.32 SUMMED AREA(ACRES) = 15.20 TOTAL RUNOFF(CFS) = 34.47 ............................................................................ FLOW PROCESS FROM NODE 820.11 TO NODE 820.10 IS CODE = 3 llDM1g >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IN 39.0 INCH PIPE IS 28.5 INCHES ............................................................................ ________________________________________----------------------------------- PIPEFLOW VELOCITY (FEET/SEC. ) = 5.3 UPSTREAM NODE ELEVATION = 41.10 - DOWNSTREAM NODE ELEVATION = 40.64 FLOWLENGTH(FEET) = 230.00 MA”1NGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 39.00 NUMBER OF PIPES = 1 TRAVEL TIME(M1N.) = .72 TC(M1N.) = 16.73 PIPEFLOW THRU SUBAREA(CFS) = 34.47 ............................................................................ FLOW PROCESS FROM NODE 820.10 TO NODE 820.10 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< ............................................................................ ............................................................................ ________________________________________------------------------------------ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(M1NUTES) = 16.73 RAINFALL INTENSITY (INCH./HOUR) = 3.02 TOTAL STREAM AREA (ACRES) = 15.20 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 34.47 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER ( CFS 1 (MIN. ) (INCH/HOUR) ............................................................................ 1 213.80 26.98 2.221 2 34.47 16.73 3.022 ,- RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 239.13 TIME(M1NUTES) = 26.975 TOTAL AREA(ACRES) = 184.90 239.13 191.57 ............................................................................ FLOW PROCESS FROM NODE 820.10 TO NODE 820.14 IS CODE = 4 IIDAII ............................................................................ >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 78.0 INCH PIPE IS 52.2 INCHES PIPEFLOW VELoCITY(FEET/SEC.) = 10.1 UPSTREAM NODE ELEVATION = 40.64 DOWNSTREAM NODE ELEVATION = 38.24 FLoWLENGTH(FEET) = 800.00 MANNINGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 78.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 239.13 TRAVEL TIME(M1N.) = 1.32 TC(M1N.) = 28.29 ............................................................................ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.154 SOIL CLASSIFICATION IS "A" MOBILE HOME DEVELOPMENT RUNOFF COEFFICIENT = .4500 - SUBAREA AREA(ACRES) = 12.20 SUBAREA RUNOFF(CFS) = 11.82 TOTAL AREA(ACRES) = 197.10 TOTAL RUNOFF(CFS) = 250.95 TC(M1N) = 28.29 ............................................................................ FLOW PROCESS FROM NODE 820.14 TO NODE 820.15 IS CODE = 4 IUDAIU ............................................................................ >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 78.0 INCH PIPE IS 54.1 INCHES PIPEFLOW VEMCITY (FEET/SEC.) = 10.2 UPSTREAM NODE ELEVATION = 38.24 DOWNSTREAM NODE ELEVATION = 35.12 FLOWLENGTH(FEET) = 1040.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 78.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 250.95 TRAVEL TIME(M1N.) = 1.70 TC(M1N.) = 29.99 ............................................................................ FLOW PROCESS FROM NODE 820.15 TO NODE 820.15 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< DEBRIS BASIN ............................................................................ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.074 SOIL CLASSIFICATION IS "A" MOBILE HOME DEVELOPMENT RUNOFF COEFFICIENT = .4500 SUBAREA AREA(ACRES) = 16.50 SUBAREA RUNOFF(CFS) = 15.40 TOTAL AREA(ACRES) = 213.60 TOTAL RUNOFF(CFS) = 266.36 TC(M1N) = 29.99 ............................................................................. FLOW PROCESS FROM NODE 820.15 TO NODE 820.16 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 81.0 INCH PIPE IS 54.5 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 10.4 UPSTREAM NODE ELEVATION = 35.12 DOWNSTREAM NODE ELEVATION = 31.94 FLOWLENGTH(FEET) = 1060.00 MANNINGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 81.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 266.36 TRAVEL TIME(M1N.) = 1.70 TC(M1N.) = 31.69 ............................................................................ ________________________________________------------------------------------ -----------------_______________________------------------------------------ ............................................................................ FLOW PROCESS FROM NODE 820.16 TO NODE 820.16 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ __-____-_______------------------------------------------------------------- ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.002 SOIL CLASSIFICATION IS "A" SUBAREA AREA(ACRES) = 16.20 SUBAREA RUNOFF(CFS) = 14.59 TOTAL AREA(ACRES) = 229.80 TOTAL RUNOFF(CFS) = 280.95 TC(M1N) = 31.69 -- MOBILE HOME DEVELOPMENT RUNOFF COEFFICIENT = .4500 LINE "DB" ............................................................................ FLOW PROCESS FROM NODE 830.01 TO NODE 83.02 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .7000 INITIAL SUBAREA FLOW-LENGTH(FEET) = 230.00 UPSTREAM ELEVATION = 68.00 DOWNSTREAM ELEVATION = 66.00 ELEVATION DIFFERENCE = 2.00 URBAN SUBAREA OVERLAND TIME OF FLOW(M1NUTES) = 11.688 ............................................................................ ________________________________________------------------------------------ _____-_--------------------------------------------------------------------- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.809 SUBAREA RUNOFF(CFS) = 4.27 TOTAL AREA(ACRES) = 1.60 TOTAL RUNOFF(CFS) = 4.27 ............................................................................ FLOW PROCESS FROM NODE 830.02 TO NODE 830.03 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 18.0 INCH PIPE IS 8.0 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 5.6 UPSTREAM NODE ELEVATION = 66.00 DOWNSTREAM NODE ELEVATION = 64.92 FLOWLENGTH(FEET) = 120.00 MA"1HGS N = -012 GIVEN PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 4.27 TRAVEL TIME (MIN. ) = .35 TC(M1N.) = 12.04 ............................................................................ .- ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 830.03 TO NODE 830.03 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ________________________________________------------------------_----------- ............................................................. 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.736 SOIL CLASSIFICATION IS "A" MOBILE HOME DEVELOPMENT RUNOFF COEFFICIENT = .4500 SUBAREA AREA(ACRES) = 1.50 SUBAREA RUNOFF(CFS) = 2.52 TOTAL AREA (ACRES) = 3.10 TOTAL RUNOFF(CFS) = 6.79 TC(M1N) = 12.04 ........................................................................... FLOW PROCESS FROM NODE 830.03 TO NODE 830.04 IS CODE = 4 ............................................................................ >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 36.0 INCH PIPE IS 10.1 INCHES PIPEFLOW VELOCITY (FEET/SEC. ) = 4.2 UPSTREAM NODE ELEVATION = 64.92 DOWNSTREAM NODE ELEVATION = 62.90 FMWLENGTH(FEET) = 630.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 36.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 6.79 TRAVEL TIME(M1N.) = 2.50 TC(M1N.) = 14.54 _-----------_______-------------------------------------------------------- _----------________-------------------------------------------------------- - ............................................................................ FLOW PROCESS FROM NODE 830.04 TO NODE 830.04 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.309 SOIL CLASSIFICATION IS "A" MOBILE HOME DEVELOPMENT RUNOFF COEFFICIENT = .4500 TOTAL AREA(ACRES) = 6.10 TOTAL RUNOFF(CFS) = 11.26 TC(M1N) = 14.54 SUBAREA AREA(ACRES) = 3.00 SUBAREA RUNOFF(CFS) = 4.47 ............................................................................ - FLOW PROCESS FROM NODE 830.04 TO NODE 830.05 IS CODE = 4 .-------------------------------------------------------------------------- >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 48.0 INCH PIPE IS 12.6 INCHES PIPEFLOW VEMCITY(FEET/SEC.) = 4.3 UPSTREAM NODE ELEVATION = 62.90 DOWNSTREAM NODE ELEVATION = 61.68 FLOWLENGTH(FEET) = 510.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 48.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 11.26 TRAVEL TIME(M1N.) = 1.99 TC(M1N.) = 16.53 ............................................................................ ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 830.05 TO NODE 830.05 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ ---------______-_______--_-------------------------------------------------- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.046 SOIL CLASSIFICATION IS "A" MOBILE HOME DEVELOPMENT RUNOFF COEFFICIENT = .4500 SUBAREA AREA(ACRES) = 4.00 SUBAREA RUNOFF(CFS) = 5.48 TOTAL AREA(ACRES) = 10.10 TOTAL RUNOFF(CFS) = 16.74 TC(M1N) = 16.53 ~ ............................................................................ FLOW PROCESS FROM NODE 830.05 TO NODE 830.06 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< ............................................................................ ~ >>>>>USING USER-SPECIFIED PIPESIZE<<<<< _---------_________-------------------------------------------_------------ _-_--_-____________-------------------------------------------------------- DEPTH OF FLOW IN 54.0 INCH PIPE IS 15.3 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 4.5 UPSTREAM NODE ELEVATION = 61.68 DOWNSTREAM NODE ELEVATION = 60.04 FLOWLENGTH(FEET) = 770.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 54.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 16.74 TRAVEL TIME(M1N.) = 2.83 TC(M1N.) = 19.37 ............................................................................ FLOW PROCESS FROM NODE 830.06 TO NODE 830.06 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.750 SOIL CLASSIFICATION IS "A" MOBILE HOME DEVELOPMENT RUNOFF COEFFICIENT = .4500 TOTAL AREA(ACRES) = 18.10 TOTAL RUNOFF(CFS) = 26.64 TC(M1N) = 19.37 SUBAREA AREA(ACRES) = 8.00 SUBAREA RUNOFF(CFS) = 9.90 ............................................................................ .- FLOW PROCESS FROM NODE 830.07 TO NODE 830.08 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< SOIL CLASSIFICATION IS "A" MOBILE HOME DEVELOPMENT RUNOFF COEFFICIENT = .4500 ,--------------------------------------------------------------------------- ............................................................................ ............................................................................ NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION WITH 10-MINUTES ADDED = 15.73(MINUTES) INITIAL SUBAREA FLOW-LENGTH(FEET) = 550.00 UPSTREAM ELEVATION = 141.00 DOWNSTREAM ELEVATION = 135.00 ELEVATION DIFFERENCE = 6.00 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.145 SUBAREA RUNOFF(CFS) = 2.83 TOTAL AREA(ACRES) = 2.00 TOTAL RUNOFF(CFS) = 2.83 ............................................................................ FLOW PROCESS FROM NODE 830.08 TO NODE 830.09 IS CODE = 6 >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< UPSTREAM ELEVATION = 135.00 DOWNSTREAM ELEVATION = 122.00 STREET LENGTH(FEET) = 480.00 CURB HEIGTH(1NCHES) = 6. STREET HALFWIDTH(FEET) = 20.00 STREET CROSSFALL(DEC1MAL) = .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 ............................................................................ ---_________________--_--_-------------------------------------------------- ________________________________________------------------------------------ **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 4.54 STREET FLOWDEPTH(FEET) = .28 HALFSTREET FLOODWIDTH(FEET) = 7.57 AVERAGE FLOW VELOCITY(FEET/SEC.) = 3.29 _- PRODUCT OF DEPTH&VELOCITY = .91 STREETFLOW TRAVELTIME(M1N) = 2.43 TC(M1N) = 18.16 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.866 SOIL CLASSIFICATION IS "A" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .4000 SUMMED AREA(ACRES) = 5.00 TOTAL RUNOFF(CFS) = 6.27 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .30 HALFSTREET FLOODWIDTH(FEET) = 8.73 FLOW VELOCITY(FEET/SEC.) = 3.56 DEPTH*VELOCITY = 1.07 SUBAREA AREA(ACRES) = ' 3.00 SUBAREA RUNOFF(CFS) = 3.44 ............................................................................ FLOW PROCESS FROM NODE 830.09 TO NODE 830.10 IS CODE = 3 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IN 18.0 INCH PIPE IS 12.2 INCHES PIPEFMW VELOCITY(FEET/SEC.) = 4.9 UPSTREAM NODE ELEVATION = 122.00 DOWNSTREAM NODE ELEVATION = 117.00 FLOWLENGTH(FEET) = 1000.00 MA"1NGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 TRAVEL TIME(M1N.) = 3.38 TC(M1N.) = 21.54 ............................................................................ ----_______________-____________________------------------------------------ --_________________-____________________------------------------------------ - PIPEFLOW THRU SUBAREA(CFS) = 6.27 ............................................................................ FLOW PROCESS FROM NODE 830.10 TO NODE 830.10 IS CODE = 8 ............................................................................ >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< --____________----______________________--_---------------------_----------- -____________-__________________________------------------------------------ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.568 SOIL CLASSIFICATION IS "A" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .4000 SUBAREA AREA(ACRES) = 7.00 SUBAREA RUNOFF(CFS) = 7.19 TOTAL AREA(ACRES) = 12.00 TOTAL RUNOFF(CFS) = 13.46 TC(M1N) = 21.54 ............................................................................ FLOW PROCESS FROM NODE 830.10 TO NODE 830.11 IS CODE = 3 >>>>>COMPUTE PIPEFMW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IN 18.0 INCH PIPE IS 11.3 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 11.6 UPSTREAM NODE ELEVATION = 117.00 -- DOWNSTREAM NODE ELEVATION = 101.20 FLoWLENGTH(FEET) = 550.00 MA"1NGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 13.46 ............................................................................ -----___________________________________-------------------------_---------- --______________________________________---------------_-_------------------ TRAVEL TIME (MIN. ) = .79 TC(M1N.) = 22.34 ............................................................................ FLOW PROCESS FROM NODE 830.11 TO NODE 830.11 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ __________________________________________---------------------------------- _____________---___--_-------------------------___---------__-------_--_---- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.508 SOIL CLASSIFICATION IS "A" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .4000 SUBAREA AREA(ACRES) = 8.85 SUBAREA RUNOFF(CFS) = 8.88 TOTAL AREA(ACRES) = 20.85 TOTAL RUNOFF(CFS) = 22.34 TC(M1N) = 22.34 ............................................................................ FLOW PROCESS FROM NODE 830.11 TO NODE 830.12 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< ............................................................................ DEPTH OF FLOW IN 18.0 INCH PIPE IS 11.5 INCHES PIPEFLOW VELOCITY (FEET/SEC. ) = 18.8 UPSTREAM NODE ELEVATION = 101.20 WWNSTREAM NODE ELEVATION = 72.62 FLOWLENGTH(FEET) = 380.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 22.34 TRAVEL TIME (MIN. ) = .34 TC(M1N.) = 22.67 ............................................................................ FLOW PROCESS FROM NODE 830.12 TO NODE 830.12 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ -------------___-__----_---------------------------------------------------- ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.484 SOIL CLASSIFICATION IS "A" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .4000 SUBAREA AREA(ACRES) = 3.30 SUBAREA RUNOFF(CFS) = 3.28 TOTAL AREA(ACRES) = 24.15 TOTAL RUNOFF(CFS) = 25.62 TC(M1N) = 22.67 ............................................................................ FLOW PROCESS FROM NODE 830.12 TO NODE 830.13 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 36.0 INCH PIPE IS 13.2 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 10.9 UPSTREAM NODE ELEVATION = 72.62 DOWNSTREAM NODE ELEVATION = 65.61 FLOWLENGTH(FEET) = 440.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 36.00 NUMBER OF PIPES = 1 ............................................................................ --______________________________________----------------_-_-__-----------_-- ________________________________________-_-----_---------------------------- PIPEFLOW THRU SUBAREA(CFS) = 25.62 TRAVEL TIME(M1N.) = .67 TC(M1N.) = 23.35 .- ............................................................................ FLOW PROCESS FROM NODE 830.13 TO NODE 830.13 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ________________________________________------------------------------------ _____________-------____________________------------------------------------ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.438 SOIL CLASSIFICATION IS "A" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .4000 SUBAREA AREA(ACRES) = 5.70 SUBAREA RUNOFF(CFS) = 5.56 TOTAL AREA(ACRES) = 29.85 TOTAL RUNOFF(CFS) = 31.18 TC(M1N) = 23.35 ............................................................................ FLOW PROCESS FROM NODE 830.13 TO NODE 830.13 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< ............................................................................ ________________________________________------------------------------------ ________________________________________------------------------------------ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 23.35 RAINFALL INTENSITY (INCH./HOUR) = 2.44 TOTAL STREAM AREA (ACRES) = 29.85 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 31.18 __ TO PAGE -3 16, ............................................................................ FLOW PROCESS FROM NODE 830.17 TO NODE 830.16 IS CODE = 7 >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<<< USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(M1N) = 15.80 RAIN INTENSITY(INCH/HOUR) = 3.14 TOTAL AREA(ACRES) = 4.80 TOTAL RUNOFF(CFS) = 6.70 Tc = 1.811.1 - C)fLI^1/2 [ S (100) 3 ^1/3 ............................................................................ ________________________________________------------------------------------ ________________________________________------------------------------------ c = 0.45 L(FT) = 380 s = 5.3% ............................................................................ FLOW PROCESS FROM NODE 830.16 TO NODE 830.31 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 21.0 INCH PIPE IS 6.7 INCHES PIPEFLOW VELoCITY(FEET/SEC.) = 10.2 UPSTREAM NODE ELEVATION = 90.00 DOWNSTREAM NODE ELEVATION = 83.00 FLOWLENGTH(FEET) = 210.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 21.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 6.70 TRAVEL TIME(M1N.) = .34 TC(M1N.) = 16.14 ............................................................................ ________________________________________------------------------------------ ________________________________________------------------------------------ ............................................................................ FLOW PROCESS FROM NODE 830.31 TO NODE 830.31 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ - ........................................................................... ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.093 SOIL CLASSIFICATION IS "A" MOBILE HOME DEVELOPMENT RUNOFF COEFFICIENT = .4500 SUBAREA AREA(ACRES) = 3.00 SUBAREA RUNOFF(CFS) = 4.18 TOTAL AREA(ACRES) = 7.80 TOTAL RUNOFF(CFS) = 10.88 TC(M1N) = 16.14 ............................................................................ FLOW PROCESS FROM NODE 830.31 TO NODE 830.15 IS CODE = 3 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< ESTIMATED PIPE DIAMETER(1NCH) INCREASED TO 18.000 DEPTH OF FLOW IN 18.0 INCH PIPE IS 9.1 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 12.1 UPSTREAM NODE ELEVATION = 83.00 DOWNSTREAM NODE ELEVATION = 74.92 FLOWLENGTH(FEET) = 220.00 MA"1NGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 TRAVEL TIME (MIN. ) = .30 TC(M1N.) = 16.45 ............................................................................ ............................................................................ ________-----------_-------------------------------------------------------- PIPEFLOW THRU SUBAREA(CFS) = 10.88 - ............................................................................ FLOW PROCESS FROM NODE 830.15 TO NODE 830.14 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 24.0 INCH PIPE IS 8.5 INCHES PIPEFLOW VELOCITY (FEET/SEC. ) = 11.0 UPSTREAM NODE ELEVATION = 74.92 DOWNSTREAM NODE ELEVATION = 66.21 FLOWLENGTH(FEET) = 300.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 10.88 TRAVEL TIME(M1N.) = .46 TC(M1N.) = 16.90 ............................................................................ ............................................................................ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.002 . MOBILE HOME DEVELOPMENT RUNOFF COEFFICIENT = .4500 SOIL CLASSIFICATION IS "A" SUBAREA AREA(ACRES) = 3.10 SUBAREA RUNOFF(CFS) = 4.19 TOTAL AREA(ACRES) = 10.90 TOTAL RUNOFF(CFS) = 15.06 TC(M1N) = 16.90 ............................................................................ - FLOW PROCESS FROM NODE 830.14 TO NODE 830.13 IS CODE = 3 "DBAl' >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IN 30.0 INCH PIPE IS 20.7 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 4.2 UPSTREAM NODE ELEVATION = 66.21 DOWNSTREAM NODE ELEVATION = 65.60 FLOWLENGTH(FEET) = 340.00 MA"1NGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 30.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 15.06 TRAVEL TIME(M1N.) = 1.36 TC(M1N.) = 18.26 .--------------------------------------------------------------------------- ________________________________________-----------_--__---------------_---- ___________________--------------------------------------------------------- ............................................................................ FLOW PROCESS FROM NODE 830.13 TO NODE 830.13 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(M1NUTES) = 18.26 RAINFALL INTENSITY (INCH.,"OUR) = 2.86 TOTAL STREAM AREA (ACRES) = 10.90 ............................................................................ -_______________________________________------------------------------------ ________________________________________----------------_------------------- -. TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 15.06 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN. ) (INCH/HOUR) ............................................................................ 1 31.18 23.35 2.438 2 15.06 18.26 2.856 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 44.03 TIME(M1NUTES) = 23.347 TOTAL AREA (ACRES) = 40.75 44.03 41.67 ............................................................................ FLOW PROCESS FROM NODE 830.13 TO NODE 830.06 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 36.0 INCH PIPE IS 17.9 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 12.5 DOWNSTREAM NODE ELEVATION = 60.14 FLOWLENGTH(FEET) = 345.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 36.00 NUMBER OF PIPES = 1 ............................................................................ _________________________________________---__---_-_------------------------ ________________________________________-_____------------------------------ - UPSTREAM NODE ELEVATION = 65.60 PIPEFLOW THRU SUBAREA(CFS) = 44.03 TRAVEL TIME(M1N.) = .46 TC(M1N.) = 23.81 ........................................................................... FLOW PROCESS FROM NODE 830.06 TO NODE 830.06 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 23.81 RAINFALL INTENSITY (INCH./HOUR) = 2.41 TOTAL STREAM AREA (ACRES) = 40.75 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 44.03 ............................................................................ ............................................................................ --------- ............................................................................ FLOW PROCESS FROM NODE 830.06 TO NODE 830.06 IS CODE = 7 >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<<< ............................................................................ ............................................................................ ---_______-------_-_-------------------------------------------------------- USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(M1N) = 19.37 RAIN INTENSITY(INCH/HOUR) = 2.75 TOTAL AREA (ACRES) = 18.10 TOTAL RUNOFF (CFS) = 26.64 * PREVIOUSLY COMPUTED FLOW ............................................................................ FLOW PROCESS FROM NODE 830.06 TO NODE 830.06 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(M1NUTES) = 19.37 RAINFALL INTENSITY (INCH./HOUR) = 2.75 TOTAL STREAM AREA (ACRES) = 18.10 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 26.64 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN. ) (INCH/HOUR) ............................................................................ ............................................................................ ............................................................................ ............................................................................ 1 44.03 23.81 2.407 2 26.64 19.37 2.750 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 67.36 TIME(M1NUTES) = 23.806 TOTAL AREA(ACRES) = 58.85 67.36 65.19 ............................................................................ - FLOW PROCESS FROM NODE 830.06 TO NODE 830.18 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< ........................................................................... >>>>>USING USER-SPECIFIED PIPESIZE<<<<< ---_______-------__--------------------------------------------------------- ............................................................................ -~ DEPTH OF FLOW IN 60.0 INCH PIPE IS 14.3 INCHES PIPEFLOW VELOCITY (FEET/SEC. ) = 18.8 UPSTREAM NODE ELEVATION = 60.14 DOWNSTREAM NODE ELEVATION = 39.06 FLOWLENGTH(FEET) = 540.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 60.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 67.36 TRAVEL TIME(M1N.) = .48 TC(M1N.) = 24.28 ............................................................................ FLOW PROCESS FROM NODE 830.18 TO NODE 830.18 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ________________________________________------------------------------------ ----_______________-____________________------------------------------------ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.377 SOIL CLASSIFICATION IS "A" MOBILE HOME DEVELOPMENT RUNOFF COEFFICIENT = .4500 SUBAREA AREA(ACRES) = 9.20 SUBAREA RUNOFF(CFS) = 9.84 TOTAL AREA(ACRES) = 68.05 TOTAL RUNOFF(CFS) = 77.19 TC(M1N) = 24.28 ............................................................................ FLOW PROCESS FROM NODE 830.18 TO NODE 830.18 IS CODE = 1 ............................................................................ .- >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 24.28 RAINFALL INTENSITY (INCH./HOUR) = 2.30 TOTAL STREAM AREA (ACRES) = 68.05 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 77.19 , ............................................................................ FLOW PROCESS FROM NODE 830.25 TO NODE 830.21 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< SOIL CLASSIFICATION IS "A" MOBILE HOME DEVELOPMENT RUNOFF COEFFICIENT = .4500 ............................................................................ ............................................................................ ________________________________________------------------------------------ INITIAL SUBAREA FLOW-LENGTH(FEET) = 450.00 UPSTREAM ELEVATION = 120.00 DOWNSTREAM ELEVATION = 110.00 ELEVATION DIFFERENCE = 10.00 URBAN SUBAREA OVERLAND TIME OF FLOW(M1NUTES) = 20.768 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.629 SUBAREA RUNOFF(CFS) = 7.33 TOTAL AREA(ACRES) = 6.20 TOTAL RUNOFF(CFS) = 7.33 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< ............................................................................ ............................................................................ - ESTIMATED PIPE DIAMETER ( INCH) INCREASED TO 18. ooo DEPTH OF FLOW IN 18.0 INCH PIPE IS 4.9 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 18.9 UPSTREAM NODE ELEVATION = 110.00 DOWNSTREAM NODE ELEVATION = 61.08 FLOWLENGTH(FEET) = 290.00 MANNINGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 TRAVEL TIME(M1N.) = .26 TC(M1N.) = 21.02 PIPEFLOW THRU SUBAREA(CFS) = 7.33 ............................................................................ FLOW PROCESS FROM NODE 830.20 TO NODE 830.19 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< ............................................................................ DEPTH OF FLOW IN 24.0 INCH PIPE IS 11.3 INCHES PIPEFLOW VELOCITY (FEET/SEC. ) = 5.0 UPSTREAM NODE ELEVATION = 61.08 DOWNSTREAM NODE ELEVATION = 59.70 FLOWLENGTH(FEET) = 300.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 TRAVEL TIME(M1N.) = .99 TC(M1N.) = 22.02 PIPEFLOW THRU SUBAREA(CFS) = 7.33 ............................................................................ FLOW PROCESS FROM NODE 830.19 TO NODE 830.19 IS CODE = 8 ............................................................................ >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ________________________________________------------------------------------ ---___----_---_--_---------------------------------------------------------- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.532 SOIL CLASSIFICATION IS "A" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .4000 SUBAREA AREA(ACRES) = 3.00 SUBAREA RUNOFF(CFS) = 3.04 TOTAL AREA(ACRES) = 9.20 TOTAL RUNOFF(CFS) = 10.37 TC(M1N) = 22.02 ............................................................................ Fmn PROCESS FROM NODE 830.19 TO NODE 830.18 rs CODE = 3 ............................................................................ >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IN 24.0 INCH PIPE IS 19.1 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 3.9 UPSTREAM NODE ELEVATION = 59.70 DOWNSTREAM NODE ELEVATION = 59.06 ESTIMATED PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 10.37 TRAVEL TIME(M1N.) = 1.38 TC(M1N.) = 23.39 --------- ............................................................................ ~- FLOWLENGTH(FEET) = 320.00 MA"1NGS N = .012 ............................................................................ - FLOW PROCESS FROM NODE 830.18 TO NODE 830.18 IS CODE = 1 .-------------------------------------------------------------------------- >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(M1NUTES) = 23.39 RAINFALL INTENSITY (INCH./HOUR) = 2.43 TOTAL STREAM AREA (ACRES) = 9.20 ___------------------------------------------------------------------------- ............................................................................ TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 10.37 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER ( CFS 1 (MIN. ) (INCH/HOUR) ............................................................................ 1 77.19 24.28 2.377 2 10.37 23.39 2.435 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 87.32 TIME(M1NUTES) = 24.284 TOTAL AREA(ACRES) = 77.25 87.32 85.73 - ........................................................................... FLOW PROCESS FROM NODE 830.18 TO NODE 830.22 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 60.0 INCH PIPE IS 37.3 INCHES PIPEFLOW VELOCITY (FEET/SEC. ) = 6.6 UPSTREAM NODE ELEVATION = 59.06 DOWNSTREAM NODE ELEVATION = 58.30 FLOWLENGTH(FEET) = 380.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 60.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 87.32 TRAVEL TIME (MIN. ) = .93 TC(M1N.) = 25.22 ............................................................................ ............................................................................ ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 830.22 TO NODE 830.22 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.320 SOIL CLASSIFICATION IS "A" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .4000 SUBAREA AREA(ACRES) = 6.60 SUBAREA RUNOFF(CFS) = 6.12 TC(M1N) = 25.22 - TOTAL AREA (ACRES) = 83.85 TOTAL RUNOFF (CFS) = 93.45 ............................................................................ - FLOW PROCESS FROM NODE 830.22 TO NODE 830.22 IS CODE = 1 ........................................................................... >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 25.22 RAINFALL INTENSITY (INCH./HOUR) = 2.32 TOTAL STREAM AREA (ACRES) = 83.85 ________________________________________------------------------------------ ________________________________________------------------------------------ TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 93.45 TO PAGE -723 - ............................................................................ FLOW PROCESS FROM NODE 830.27 TO NODE 830.26 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< SOIL CLASSIFICATION IS “A“ SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .4000 ............................................................................ ............................................................................ ............................................................................ INITIAL SUBAREA FLOW-LENGTH(FEET) = 660.00 UPSTREAM ELEVATION = 134.00 DOWNSTREAM ELEVATION = 128.00 ELEVATION DIFFERENCE = 6.00 URBAN SUBAREA OVERLAND TIME OF FLOW(M1NUTES) = 33.606 *CAUTION: SUBAREA FLOWLENGTH EXCEEDS COUNTY NOMOGRAPH DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED. 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 1.927 SUBAREA RUNOFF(CFS) = 3.05 TOTAL AREA (ACRES) = 3.95 TOTAL RUNOFF(CFS) = 3 05 ............................................................................ FLOW PROCESS FROM NODE 830.26 TO NODE 830.34 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 18.0 INCH PIPE IS 5.3 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 7.0 UPSTREAM NODE ELEVATION = 128.00 DOWNSTREAM NODE ELEVATION = 125.10 FLOWLENGTH(FEET) = 140.00 MA”1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 3.05 TRAVEL TIME(M1N.) = .34 TC(M1N.) = 33.94 ............................................................................ ............................................................................ ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 830.34 TO NODE 830.24 IS CODE = 3 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< ESTIMATED PIPE DIAMETER(1NCH) INCREASED TO 18.000 DEPTH OF FLOW IN 18.0 INCH PIPE IS 3.8 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 11.3 ............................................................................ UPSTREAM NODE ELEVATION = 125.10 DOWNSTREAM NODE ELEVATION = 64.45 ESTIMATED PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 3.05 TRAVEL TIME(M1N.) = 1.11 TC(M1N.) = 35.05 - FLOWLENGTH(FEET) = 750.00 MANNINGS N = .012 ............................................................................ FLOW PROCESS FROM NODE 830.24 TO NODE 830.24 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ _----- ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 1.876 SOIL CLASSIFICATION IS "A" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .4000 SUBAREA AREA(ACRES) = 5.60 SUBAREA RUNOFF(CFS) = 4.20 TOTAL AREA(ACRES) = 9.55 TOTAL RUNOFF(CFS) = 7.25 TC(M1N) = 35.05 ............................................................................ FLOW PROCESS FROM NODE 830.24 TO NODE 830.23 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< ............................................................................ >>>>>USING USER-SPECIFIED PIPESIZE<<<<< ............................................................................ - DEPTH OF FLOW IN 30.0 INCH PIPE IS 7.4 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 7.8 UPSTREAM NODE ELEVATION = 64.45 DOWNSTREAM NODE ELEVATION = 59.95 FLoWLENGTH(FEET) = 280.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 30.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 7.25 TRAVEL TIME (MIN. ) = .60 TC(M1N.) = 35.65 ............................................................................ FLOW PROCESS FROM NODE 830.23 TO NODE 830.23 IS CODE = a ............................................................................ >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 1.855 SOIL CLASSIFICATION IS "A" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .4000 TOTAL AREA(ACRES) = 14.25 TOTAL RUNOFF(CFS) = 10.74 TC(M1N) = 35.65 SUBAREA AREA(ACRES) = 4.70 SUBAREA RUNOFF(CFS) = 3.49 PIPEFMW VELOCITY(FEET/SEC.) = 4.0 UPSTREAM NODE ELEVATION = 59.95 DOWNSTREAM NODE ELEVATION = 58.30 FLOWLENGTH(FEET) = 830.00 MA"1NGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 27.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 10.74 TRAVEL TIME(M1N.) = 3.45 TC(M1N.) = 39.10 ............................................................................ FLOW PROCESS FROM NODE 830.22 TO NODE 830.22 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ________________________________________------------------------------------ ________________________________________------------------------------------ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 1.748 SOIL CLASSIFICATION IS "A" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .4000 TOTAL AREA(ACRES) = 15.65 TOTAL RUNOFF(CFS) = 11.71 TC(M1N) = 39.10 SUBAREA AREA(ACRES) = 1.40 SUBAREA RUNOFF(CFS) = .98 ............................................................................ FLOW PROCESS FROM NODE 830.22 TO NODE 830.22 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< ............................................................................ ............................................................................ ________________________________________------------------------------------ - CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(M1NUTES) = 39.10 RAINFALL INTENSITY (INCH./HOUR) = 1.75 TOTAL STREAM AREA (ACRES) = 15.65 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 11.71 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER ( CFS 1 (MIN.) (INCH/HOUR) ............................................................................ 1 93.45 25.22 2.320 2 11.71 39.10 1.748 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 102.27 82.13 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 102.27 TIME (MINUTES) = 25.216 TOTAL AREA(ACRES) = 99.50 UPSTREAM NODE ELEVATION = 58.30 DOWNSTREAM NODE ELEVATION = 52.82 FLOWLENGTH(FEET) = 830.00 MA"1NGS N = .015 PIPEFLOW THRU SUBAREA(CFS) = 102.27 TRAVEL TIME(M1N.) = 1.47 TC(M1N.) = 26.69 - GIVEN PIPE DIAMETER(1NCH) = 60.00 NUMBER OF PIPES = 1 ............................................................................ FLOW PROCESS FROM NODE 830.28 TO NODE 830.28 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ --------- ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.236 SOIL CLASSIFICATION IS "A" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .4000 SUBAREA AREA(ACRES) = 12.30 SUBAREA RUNOFF(CFB) = 11.00 TOTAL AREA(ACRES) = 111.80 TOTAL RUNOFF(CFS) = 113.28 TC(M1N) = 26.69 ............................................................................ FLOW PROCESS FROM NODE 830.28 TO NODE 830.29 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 66.0 INCH PIPE IS 32.7 INCHES - PIPEFLOW VELOCITY (FEET/SEC. ) = 9.7 UPSTREAM NODE ELEVATION = 52.82 DOWNSTREAM NODE ELEVATION = 47.80 FLOWLENGTH(FEET) = 760.00 MA"1NGS N = .015 GIVEN PIPE DIAMETER(1NCH) = 66.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 113.28 TRAVEL TIME(M1N.) = 1.31 TC(M1N.) = 28.00 ............................................................................ ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 830.29 TO NODE 830.29 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ -----_____--________-------------------------------------------------------- ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.168 SOIL CLASSIFICATION IS "A" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .4000 SUBAREA AREA(ACRES) = 21.70 SUBAREA RUNOFF(CFS) = 18.82 TOTAL AREA(ACRES) = 133.50 TOTAL RUNOFF(CFS) = 132.10 TC(M1N) = 28.00 ............................................................................ FLOW PROCESS FROM NODE 830.29 TO NODE 830.30 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEFT" OF FLOW IN 66.0 INCH PIPE IS 35.8 INCHES ............................................................................ ............................................................................ PIPEFWW VELOCITY (FEET/SEC. ) = 10.0, UPSTREAM NODE ELEVATION = 47.80 DOWNSTREAM NODE ELEVATION = 38.90 GIVEN PIPE DIAMETER(1NCH) = 66.00 NUMBER OF PIPES = 1 PIPEFLQW THRU SUBAREA(CFS) = 132.10 TRAVEL TIME(M1N.) = 2.24 TC(M1N.) = 30.24 - FLOWLENGTH(FEET) = 1350.00 MA"1NGS N = .015 ............................................................................ FLOW PROCESS FROM NODE 830.30 TO NODE 830.30 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ------- .............................................................................. 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.063 SOIL CLASSIFICATION IS "A" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .4000 SUBAREA AREA(ACRES) = 36.00 SUBAREA RUNOFF(CFS) = 29.71 TOTAL AREA(ACRES) = 169.50 TOTAL RUNOFF(CFS) = 161.81 TC(M1N) = 30.24 LINE "DU" ............................................................................ FLOW PROCESS FROM NODE 860.01 TO NODE 860.48 IS CODE = 7 ............................................................................ >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<<< USER-SPECIFIED VALUES ARE AS FOLLOWS: TOTAL AREA(ACRES) = 8.60 TOTAL RUNOFF(CFS) = 14.19 c = .55 L(FT) = 700 S = 8.85% TC = 1.8f1.1 - C)fL)^1/2 ....................................................... ............................................................................ - TC(M1N) = 17.00 RAIN INTENSITY(INCH/HOUR) = 2.99 [S (100) 3 -1/3 ............................................................................ FLOW PROCESS FROM NODE 860.48 TO NODE 860.02 IS CODE = 6 ............................................................................ >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< UPSTREAM ELEVATION = 250.00 DOWNSTREAM ELEVATION = 178.00 STREET LENGTH(FEET) = 940.00 CURB HEIGTH(1NCHES) = 6. STREET HALFWIDTH(FEET) = 20.00 STREET CROSSFALL(DEC1MAL) = .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLoW(CFS) = 23.37 STREET FLOWDEPTH(FEET) = .37 HALFSTREET FLoODWIDTH(FEET) = 12.20 AVERAGE FLOW VELOCITY(FEET/SEC.) = 7.28 PRODUCT OF DEPTH&VELOCITY = 2.69 ............................................................................ STREETFLOW TRAVELTIME(M1N) = 2.15 TC(M1N) = 19.15 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.770 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACWS) = 12.10 SUBAREA RUNOFF(CFS) = SUMMED AREA(ACRES) = 20.70 TOTAL RUNOFF(CFS) = END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .42 HALFSTREET FLOODWIDTH(FEET) = 14 FLOW VELOCITY(FEET/SEC.) = 7.34 DEPTH*VELOCITY = 18.43 32.62 51 3.06 ............................................................................ FLOW PROCESS FROM NODE 860.02 TO NODE 860.60 IS CODE = 4 ............................................................................ -- >>>>>COMPUTE PIPEFLOW TRAVEGTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 27.0 INCH PIPE IS 22.1 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 9.4 UPSTREAM NODE ELEVATION = 178.00 DOWNSTREAM NODE ELEVATION = 173.90 FLOWLENGTH(FEET) = 410.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 27.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) 5 32.62 TRAVEL TIME(M1N.) = .73 TC(M1N.) = 19.88 ............................. ................................................................................. ............................................................................ FLOW PROCESS FROM NODE 860.60 TO NODE 860.03 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 30.0 INCH PIPE IS 10.6 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 21.0 UPSTREAM NODE ELEVATION = 173.90 DOWNSTREAM NODE ELEVATION = 168.39 FLOWLENGTH (FEET) = 70.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 30.00 NUMBER OF PIPES = 1 TRAVEL TIME (MIN. ) = .06 TC(M1N.) = 19.94 ............................................................................ ............................................................................ - PIPEFLOW THRU SUBAREA(CFS) = 32.62 ............................................................................ FLOW PROCESS FROM NODE 860.03 TO NODE 860.03 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION (MINUTES) = 19.94 RAINFALL INTENSITY (INCH./HOUR) = 2.70 TOTAL STREAM AREA (ACRES) = 20.70 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 32.62 ............................................................................ ............................................................................ ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 860.04 TO NODE 860.49 IS CODE = 7 >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<<< USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(M1N) = 19.20 RAIN INTENSITY(INCH/HOUR) = 2.77 ............................................................................ ----_-_______-____-_____________________------------------------------------ ............................................................................ TOTAL AREA (ACRES) = 7.40 TOTAL RUNOFF(CFS) = 11.19 c = .55 L(FT) = 820 s = 11.2% TC = 1.811.1 - Clf L1^1/2 [S (100) ] -1/3 - ............................................................................ FLOW PROCESS FROM NODE 860.49 TO NODE 860.58 IS CODE = 6 ............................................................................ - >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< ________________________________________---------- ........................................................................... UPSTREAM ELEVATION = 220.00 DOWNSTREAM ELEVATION = 195.00 STREET LENGTH(FEET) = 540.00 CURB HEIGTH(1NCHES) = 6. STREET HALFWIDTH(FEET) = 20.00 STREET CROSSFALL(DEC1MAL) = .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 17.40 STREET FLOWDEPTH(FEET) = .37 HALFSTREET FLOODWIDTH (FEET) = 12.2 0 AVERAGE FLOW VELOCITY(FEET/SEC.) = 5.42 PRODUCT OF DEPTH&VELOCITY = 2.01 STREETFLOW TRAVELTIME(M1N) = 1.66 TC(M1N) = 20.86 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.621 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 8.6C SUBAREA RUNOFF(CFS) = 12.40 SUMMED ?.REA(ACRES) = 16.00 TOTAL RUNOFF(CFS) =i 23.59 END OF SUBAREA STREETFLOW HYDRAULICS : DEPTH(FEET) = .40 HALFSTREET FLOODWIDTH(FEET) = 13.93 FLOW VELoCITY(FEET/SEC.) = 5.73 DEPTH*VELOCITY = 2.32 ............................................................................ FLOW PROCESS FROM NODE 860.58 TO NODE 860.03 IS CODE = 3 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IN 21.0 INCH PIPE IS 13.5 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 14.4 UPSTREAM NODE ELEVATION = 195.00 DOWNSTREAM NODE ELEVATION = 168.39 FLOWLENGTH(FEET) = 750.00 MA"1NGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 21.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 23.59 TRAVEL TIME(M1N.) = .87 TC(M1N.) = 21.73 ............................................................................ -. --------- ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 860.03 TO NODE 860.03 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ --------- ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.553 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 12.00 SUBAREA RUNOFF(CFS) = 16.85 TOTAL AREA(ACRES) = 28.00 TOTAL RUNOFF(CFS) = 40.44 TC(M1N) = 21.73 - ........................................................................... FLOW PROCESS FROM NODE 860.03 TO NODE 860.03 IS CODE = 1 ............................................................................ >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(M1NUTES) = 21.73 RAINFALL INTENSITY (INCH./HOUR) = 2.55 TOTAL STREAM AREA (ACRES) = 28.00 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 40.44 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER ( CFS 1 (MIN. ) (INCH/HOUR) _---------__---------------------------------------------------------------- ............................................................................ 1 32.62 19.94 2.699 2 40.44 21.73 2.553 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 70.88 71.30 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 71.30 TIME(M1NUTES) = 21.731 TOTAL AREA(ACRES) = 48.70 ............................................................................ FLOW PROCESS FROM NODE 860.03 TO NODE 860.68 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 33.0 INCH PIPE IS 20.6 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 18.2 UPSTREAM NODE ELEVATION = 168.39 DOWNSTREAM NODE ELEVATION = 165.52 FLOWLENGTH (FEET) = 90.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 33.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 71.30 TRAVEL TIME(M1N.) = .08 TC(M1N.) = 21.81 ............................................................................ ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 860.68 TO NODE 860.05 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< PIPEFLOW VELOCITY(FEET/SEC.) = 10.1 UPSTREAM NODE ELEVATION = 165.52 DOWNSTREAM NODE ELEVATION = 160.92 FLOWLENGTH(FEET) = 460.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 36.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 71.30 TRAVEL TIME(M1N.) = .76 TC(M1N.) = 22.57 ............................................................................ ............................................................................ ............................................................................ - ............................................................................ DEPTH OF FLOW IN 42.0 INCH PIPE IS 31.1 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 9.3 UPSTREAM NODE ELEVATION = 160.92 DOWNSTREAM NODE ELEVATION = 157.28 FLOWLENGTH(FEET) = 650.00 MA”1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 42.00 NUMBER OF PIPES = PIPEFLOW THRU SUBAREA(CFS) - 71.30 TRAVEL TIME(M1N.) = 1.16 TC(M1N.) = 23.73 1 t k k :*** ............................................................................ >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.412 SOIL CLASSIFICATION IS “D“ SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 12.20 SUBAREA RUNOFF(CFS) = 16.19 TOTAL AREA(ACRES) = 60.90 TOTAL RUNOFF(CFS) = 87.49 TC(M1N) = 23.73 TO PAGE -93 1- ............................................................................ UPSTREAM ELEVATION = 250.00 DOWNSTREAM ELEVATION = 220.00 STREET LENGTH(FEET) = 460.00 CURB HEIGTH(1NCHES) = 6. SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 - STREET HALFWIDTH(FEET) = 20.00 STREET CROSSFALL(DEC1MAL) = .0200 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 19.87 STREET FLOWDEPTH(FEET) = .37 HALFSTREET FLOODWIDTH (FEET) = 12.20 AVERAGE FLOW VELOCITY(FEET/SEC.) = 6.19 PRODUCT OF DEPTH&VELOCITY = 2.29 STREETFLOW TRAVELTIME(M1N) = 1.24 TC(M1N) = 16.44 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.057 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 7.00 SUBAREA RUNOFF(CFS) = 11.77 SUMMED AREA(ACRES) = 14.70 TOTAL RUNOFF(CFS) = 25.75 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .39 HALFSTREET FLOODWIDTH(FEET) = 13.35 FLOW VELOCITY(FEET/SEC.) = 6.77 DEPTH*VELOCITY = 2.66 ............................................................................ FLOW PROCESS FROM NODE 860.08 TO NODE 860.09 IS CODE = 4 >>>>>COMPUTE PIPEFMW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< ............................................................................ ________________________________________------------------------------------ ________________________________________------------------_----------------- ? DEPTH OF FLOW IN 24.0 INCH PIPE IS 14.2 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 13.3 UPSTREAM NODE ELEVATION = 220.00 DOWNSTREAM NODE ELEVATION = 212.50 FLOWLENGTH(FEET) = 280.00 MANNINGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 25.75 TRAVEL TIME(M1N.) = .35 TC(M1N.) = 16.79 ............................................................................ FLOW PROCESS FROM NODE 860.09 TO NODE 860.11 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 24.0 INCH PIPE IS 10.0 INCHES PIPEFMW VELOCITY(FEET/SEC.) = 20.8 UPSTREAM NODE ELEVATION = 212.50 DOWNSTREAM NODE ELEVATION = 186.98 FMWLENGTH(FEET) = 290.00 MANNINGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 25.75 TRAVEL TIME(M1N.) = .23 TC(M1N.) = 17.02 _____________-----______________________------------------------------------ -_______________________________________------------------------------------ ________________________________________--------------------------_--------- ............................................................................. FLOW PROCESS FROM NODE 860.11 TO NODE 860.11 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ------- ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.989 - SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SOIL CLASSIFICATION IS "D" SUBAREA AREA(ACRES) = 3.60 SUBAREA RUNOFF(CFS) = 5.92 TOTAL AREA(ACRES) = 18.30 TOTAL RUNOFF(CFS) = 31.67 TC(M1N) = 17.02 ............................................................................ FLOW PROCESS FROM NODE 860.11 TO NODE 860.12 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 27.0 INCH PIPE IS 11.1 INCHES PIPEFLOW VELOCITY (FEET/SEC. ) = 2 0.5 UPSTREAM NODE ELEVATION = 186.98 DOWNSTREAM NODE ELEVATION = 164.78 FLOWLENGTH(FEET) = 300.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 27.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 31.67 TRAVEL TIME(M1N.) = .24 TC(M1N.) = 17.27 ............................................................................ --______--__________-------------------------------------------------------- ________________________________________------------------------------------ ............................................................................ FLOW PROCESS FROM NODE 860.12 TO NODE 860.12 IS CODE = 8 ............................................................................ - >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.961 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 8.70 SUBAREA RUNOFF(CFS) = 14.17 TOTAL AREA(ACRES) = 27.00 TOTAL RUNOFF(CFS) = 45.84 TC(M1N) = 17.27 ............................................................................ FLOW PROCESS FROM NODE 860.12 TO NODE 860.06 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 33.0 INCH PIPE IS 16.0 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 16.1 UPSTREAM NODE ELEVATION = 164.78 DOWNSTREAM NODE ELEVATION = 157.28 FLOWLENGTH(FEET) = 250.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 33.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 45.84 TRAVEL TIME(M1N.) = .26 TC(M1N.) = 17.53 ............................................................................ ............................................................................ ............................................................................ >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< _______-_________----------------------------------------------------------- ____________________-------------------------------------------------------- - CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(M1NUTES) = 17.53 RAINFALL INTENSITY (INCH. /HOUR) = 2.93 TOTAL STREAM AREA (ACRES) = 27.00 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 45.84 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER ( CFS 1 (MIN. ) (INCH/HOUR) ............................................................................ 1 87.49 23.73 2.412 2 45.84 17.53 2.933 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 125.18 TIME(M1NUTES) = 23.732 TOTAL AREA(ACRES) = 87.90 125.18 117.79 ............................................................................ FLOW PROCESS FROM NODE 860.06 TO NODE 860.13 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< ............................................................................ - >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 48.0 INCH PIPE IS 20.9 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 23.8 UPSTREAM NODE ELEVATION = 157.28 DOWNSTREAM NODE ELEVATION = 132.97 FLOWLENGTH(FEET) = 550.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 48.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 125.18 TRAVEL TIME(M1N.) = .38 TC(M1N.) = 24.12 ............................................................................ FLOW PROCESS FROM NODE 860.13 TO NODE 860.14 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 48.0 INCH PIPE IS 22.1 INCHES PIPEFLOW VELOCITY (FEET/SEC. ) = 22.1 UPSTREAM NODE ELEVATION = 132.97 DOWNSTREAM NODE ELEVATION = 121.09 FLOWLENGTH(FEET) = 330.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 48.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 125.18 TRAVEL TIME(M1N.) = .25 TC(M1N.) = 24.37 ............................................................................ ............................................................................ ............................................................................ - ............................................................................ FLOW PROCESS FROM NODE 860.14 TO NODE 860.15 IS CODE = 4 ............................................................................ _- >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 48.0 INCH PIPE IS 26.0 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 18.0 UPSTREAM NODE ELEVATION = 121.09 DOWNSTREAM NODE ELEVATION = 115.48 FLOWLENGTH(FEET) = 270.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 48.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 125.18 TRAVEL TIME(M1N.) = .25 TC(M1N.) = 24.62 -_________-----____--------------------------------------------------------- __________--________-------------------------------------------------------- ............................................................................ FLOW PROCESS FROM NODE 860.15 TO NODE 860.15 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ...................................................................... ------______________------------------------------------------_-------*===== 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.356 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA,AREA(ACRES) = 16.00 SUBAREA RUNOFF(CFS) = 20.73 TOTAL AREA(ACRES) = 103.90 TOTAL RUNOFF(CFS) = 145.92 TC(M1N) = 24.62 - ........................................................................... FLOW PROCESS FROM NODE 860.15 TO NODE 860.16 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 48.0 INCH PIPE IS 14.7 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 44.5 UPSTREAM NODE ELEVATION = 115.48 DOWNSTREAM NODE ELEVATION = 104.48 FLOWLENGTH (FEET) = 50.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 48.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 145.92 TRAVEL TIME(M1N.) = .02 TC(M1N.) = 24.63 ............................................................................ --_________________-____________________------------------------------------ ___________________-____________________------------------------------------ ............................................................................ FLOW PROCESS FROM NODE 860.16 TO NODE 860.16 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< _____________--__-______________________------------------------------------ ------_______-------____________________--------_--------------------------- ---_____________________________________------------------------------------ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 24.63 RAINFALL INTENSITY (INCH./HOUR) = 2.35 TOTAL STREAM AREA (ACRES) = 103.90 - TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 145.92 TO PAGE -q36- ............................................................................ TC = i.8[i.i - ci/L)-i/2 [ S (100) 3 ^1/3 ............................................................................ FLOW PROCESS FROM NODE 860.18 TO NODE 860.19 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 36.0 INCH PIPE IS 13.1 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 11.3 UPSTREAM NODE ELEVATION = 148.50 DOWNSTREAM NODE ELEVATION = 124.10 FLOWLENGTH(FEET) = 1400.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 36.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 26.17 TRAVEL TIME(M1N.) = 2.07 TC(M1N.) = 23.37 ............................................................................ ............................................................................ ............................................................................ - FMW PROCESS FROM NODE 860.19 TO NODE 860.19 IS CODE = 8 ........................................................................... >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ________________________________________------------------------------------ ________________________________________------------------------------------ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.437 *USER SPECIFIED(SUBAREA): SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5200 SUBAREA AREA(ACRES) = 18.90 SUBAREA RUNOFF(CFS) = 23.95 TOTAL AREA(ACRES) = 37.20 TOTAL RUNOFF(CFS) = 50.12 TC(M1N) = 23.37 ............................................................................ FLOW PROCESS FROM NODE 860.19 TO NODE 860.20 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 36.0 INCH PIPE IS 18.1 INCHES PIPEFMW VEMCITY(FEET/SEC.) = 14.1 UPSTREAM NODE ELEVATION = 124.10 DOWNSTREAM NODE ELEVATION = 117.28 FMWLENGTH(FEET) = 340.00 MA"1NGS N = -012 GIVEN PIPE DIAMETER(1NCH) = 36.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 50.12 TRAVEL TIME(M1N.) = .40 TC(M1N.) = 23.77 ............................................................................ ............................................................................ ............................................................................ - ............................................................................ FLOW PROCESS FROM NODE 860.20 TO NODE 860.21 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< ............................................................................ - >>>>>USING USER-SPECIFIED PIPESIZE<<<<< p================= ------------------------------------=-------------------- ----_-----__________________________ DEPTH OF FLOW IN 54.0 INCH PIPE IS 15.1 INCHES PIPEFLOW VELoCITY(FEET/SEC.) = 13.8 UPSTREAM NODE ELEVATION = 117.28 DOWNSTREAM NODE ELEVATION = 113.28 FLOWLENGTH(FEET) = 200.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 54.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 50.12 TRAVEL TIME(M1N.) = .24 TC(M1N.) = 24.01 ............................................................................ FLOW PROCESS FROM NODE 860.21 TO NODE 860.21 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.394 *USER SPECIFIED(SUBAREA): SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5200 SUBAREA AREA(ACRES) = 9.70 SUBAREA RUNOFF(CFS) = 12.08 TOTAL AREA(ACRES) = 46.90 TOTAL RUNOFF(CFS) = 62.19 TC(M1N) = 24.01 ............................................................................ - FLOW PROCESS FROM NODE 860.21 TO NODE 860.16 IS CODE = 5 ........................................................................... >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 113.28 DOWNSTREAM NODE ELEVATION = 104.48 CHANNEL LENGTH THRU SUBAREA(FEET) = 440.00 CHANNEL BASE(FEET) = .OO 11Z8f FACTOR = 10.000 MA"1NGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 62.19 FLOW VELOCITY(FEET/SEC) = 3.86 FLOW DEPTH(FEET) = 1.27 TRAVEL TIME(M1N.) = 1.90 TC(M1N.) = 25.91 ............................................................................ ---____---_______-__-------------------------------------------------------- ............................................................................ FLOW PROCESS FROM NODE 860.16 TO NODE 860.16 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ -_______________________________________------------------------------------ ________________________________________------------------------------------ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.280 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 5.20 SUBAREA RUNOFF(CFS) = 6.52 TOTAL AREA(ACRES) = 52.10 TOTAL RUNOFF(CFS) = 68.71 - TC(M1N) = 25.91 ............................................................................ FLOW PROCESS FROM NODE 860.16 TO NODE 860.16 IS CODE = 1 ............................................................................ -~ >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION (MINUTES) = 25.91 RAINFALL INTENSITY (INCH./HOUR) = 2.28 TOTAL STREAM AREA (ACRES) = 52.10 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 68.71 ___________________-----------------------------__-------------------------- ________________________________________-----_------------_----------------- CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN. ) (INCH/HOUR) ............................................................................ 1 145.92 24.63 2.355 2 68.71 25.91 2.280 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 212.43 TIME(M1NUTES) = 24.634 TOTAL AREA(ACRES) = 156.00 212.43 209.96 ............................................................................ - FLOW PROCESS FROM NODE 860.16 TO NODE 860.50 IS CODE = 4 ........................................................................... >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 54.0 INCH PIPE IS 36.2 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 18.7 UPSTREAM NODE ELEVATION = 104.48 DOWNSTREAM NODE ELEVATION = 101.30 FLOWLENGTH(FEET) = 190.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 54.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 212.43 TRAVEL TIME(M1N.) = .17 TC(M1N.) = 24.80 -----________-------____________________-_-----------------_---------------- --___________---________________________------------------------------------ ............................................................................ FLOW PROCESS FROM NODE 860.50 TO NODE 860.50 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ --________---______-----------_--------------------_------------------------ ___________________-____________________------------------------------------ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.345 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 1.30 SUBAREA RUNOFF(CFS) = 1.68 TOTAL AREA(ACRES) = 157.30 TOTAL RUNOFF(CFS) = 214.11 .- TC(M1N) = 24.80 ............................................................................ FLOW PROCESS FROM NODE 860.22 TO NODE 860.23 IS CODE = 7 >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<<< USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(M1N) = 14.00 RAIN INTENSITY(INCH/HOUR) = 3.39 TOTAL AREA(ACRES) = 8.60 TOTAL RUNOFF(CFS) = 14.90 c = .55 L(FT) = 600 S = 10.33% ............................................................................ ............................................................................ .. Tc = 1.811.1 - C)fL)^1/2 [S (100) 3 ^1/3 ............................................................................ FLOW PROCESS FROM NODE 860.23 TO NODE 860.24 IS CODE = 6 >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< UPSTREAM ELEVATION = 245.00 DOWNSTREAM ELEVATION = 200.47 STREET LENGTH(FEET) = 450.00 CURB HEIGTH(1NCHES) = 6. STREET HALFWIDTH(FEET) = 20.00 STREET CROSSFALL(DEC1MAL) = .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 22.39 STREET FLOWDEPTH(FEET) = .36 HALFSTREET FLOODWIDTH (FEET) = 11.62 AVERAGE FLOW VELOCITY(FEET/SEC.) = 7.63 PRODUCT OF DEPTH&VEMCITY = 2.74 ............................................................................ ________________________________________------------------------------------ ............................................................................ STREETFLOW TRAVELTIME(M1N) = .98 TC(M1N) = 14.98 190 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.245 ,-.- SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 8.40 SUBAREA RUNOFF(CFS) = 14.99 SUMMED AREA(ACRES) = 17.00 TOTAL RUNOFF(CFS) = 29.89 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH (FEET) = .38 HALFSTREET FLOODWIDTH (FEET) = 12.77 FLOW VELoCITY(FEET/SEC.) = 8.54 DEPTH*VELOCITY = 3.26 ............................................................................ FLOW PROCESS FROM NODE 860.24 TO NODE 860.25 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 21.0 INCH PIPE IS 13.5 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 18.3 UPSTREAM NODE ELEVATION = 200.47 DOWNSTREAM NODE ELEVATION = 164.31 FLOWLENGTH(FEET) = 630.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 21.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 29.89 TRAVEL TIME (MIN. ) = .57 TC(M1N.) = 15.56 ............................................................................ ............................................................................ ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 860.25 TO NODE 860.25 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ........................................................................... ------------ .............................................................................. 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.167 - SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SOIL CLASSIFICATION IS "D" SUBAREA AREA(ACRES) = 5.80 SUBAREA RUNOFF(CFS) = 10.10 TOTAL AREA(ACRES) = 22.80 TOTAL RUNOFF(CFS) = 40.00 TC(M1N) = 15.56 ............................................................................ FLOW PROCESS FROM NODE 860.26 TO NODE 860.27 IS CODE = 7 >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<<< USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(M1N) = 20.10 RAIN INTENSITY(INCH/HOUR) = 2.69 ............................................................................ ............................................................................ ------------L--------------------------------------------------------------- - TOTAL AREA(ACRES) = 16.70 TOTAL RUNOFF(CFS) = 24.80 c = .55 L(FT) = 1100 s = 7.9% TC = 1.8f1.1 - C)(L1^1/2 [ S (100) 3 ^1/3 ............................................................................ FLOW PROCESS FROM NODE 860.27 TO NODE 860.28 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 27.0 INCH PIPE IS 9.1 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 21.2 UPSTREAM NODE ELEVATION = 218.00 DOWNSTREAM NODE ELEVATION = 167.31 FLOWLENGTH(FEET) = 520.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 27.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 24.80 TRAVEL TIME(M1N.) = .41 TC(M1N.) = 20.51 ............................................................................ ............................................................................ ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 860.28 TO NODE 860.25 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 30.0 INCH PIPE IS 13.3 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 11.8 ............................................................................ ---_____________________________________----------------------------------- ........................................................................... UPSTREAM NODE ELEVATION = 167.31 DOWNSTREAM NODE ELEVATION = 164.31 GIVEN PIPE DIAMETER(1NCH) = 30.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 24.80 TRAVEL TIME(M1N.) = .21 TC(M1N.) = 20.72 - FLOWLENGTH(FEET) = 150.00 MA"1NGS N = .012 ............................................................................ FLOW PROCESS FROM NODE 860.25 TO NODE 860.25 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< ............................................................................ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(M1NUTES) = 20.72 RAINFALL INTENSITY (INCH./HOUR) = 2.63 TOTAL STREAM AREA (ACRES) = 16.70 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 24.80 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN. ) (INCH/HOUR) ............................................................................ 1 40.00 15.56 3.167 2 24.80 20.72 2.633 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS - VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 60.61 58.05 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 60.61 TIME (MINUTES) = 15.558 TOTAL AREA(ACRES) = 39.50 ............................................................................ FLOW PROCESS FROM NODE 860.25 TO NODE 860.78 IS CODE = 4 ............................................................................ >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 33.0 INCH PIPE IS 15.9 INCHES PIPEFLOW VELOCITY (FEET/SEC. ) = 2 1.3 UPSTREAM NODE ELEVATION = 164.31 DOWNSTREAM NODE ELEVATION = 119.26 FLOWLENGTH(FEET) = 850.00 MANNINGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 33.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 60.61 TRAVEL TIME (MIN. ) = .66 TC(M1N.) = 16.22 ----------_-__-_____-------------------------------------------------------- ............................................................................ SOIL CLASSIFICATION IS aD" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 TOTAL AREA(ACRES) = 52.40 TOTAL RUNOFF(CFS) = 82.49 TC(M1N) = 16.22 - SUBAREA AREA(ACRES) = 12.90 SUBAREA RUNOFF(CFS) = 21.87 ............................................................................ FLOW PROCESS FROM NODE 860.78 TO NODE 860.50 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 36.0 INCH PIPE IS 19.8 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 20.7 UPSTREAM NODE ELEVATION = 119.26 DOWNSTREAM NODE ELEVATION = 101.30 FLOWLENGTH(FEET) = 450.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 36.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 82.49 TRAVEL TIME(M1N.) = .36 TC(M1N.) = 16.58 ............................................................................ ............................................................................ ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 860.50 TO NODE 860.50 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 16.58 RAINFALL INTENSITY (INCH./HOUR) = 3.04 TOTAL STREAM AREA (ACRES) = 52.40 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 82.49 ............................................................................ ............................................................................ ............................................................................ - .............................................................................. FLOW PROCESS FROM NODE 860.50 TO NODE 860.50 IS CODE = 7 ............................................................................ >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<<< USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(M1N) = 24.80 RAIN INTENSITY(INCH/HOUR) = 2.34 TOTAL AREA(ACRES) = 157.30 TOTAL RUNOFF(CFS) = 216.44 * PREVIOUSLY COMPUTED FLOW ---________________-____________________------------------------------------ ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 860.50 TO NODE 860.50 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< ............................................................................ -_------___________-____________________------------------------------------ -----______________-____________________------------------------------------ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(M1NUTES) = 24.80 RAINFALL INTENSITY (INCH./HOUR) = 2.34 TOTAL STREAM AREA (ACRES) = 157.30 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 216.44 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER ( CFS 1 (MIN . ) (INCH/HOUR) I______-----________-------------------------------------------------------- 1 82.49 16.58 3.040 2 216.44 24.80 2.345 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 280.07 TIME(M1NUTES) = 24.800 TOTAL AREA (ACRES) = 209.70 249.45 280.07 ............................................................................ FLOW PROCESS FROM NODE 860.50 TO NODE 860.29 IS CODE = 5 ............................................................................ >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 101.30 DOWNSTREAM NODE ELEVATION = 100.74 CHANNEL LENGTH THRU SUBAREA(FEET) = 280.00 CHANNEL BASE(FEET) = .OO IIZ" FACTOR = 5.000 MA"1NGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(.CFS) = 280.07 FLOW VELOCITY(FEET/SEC) = 2.80 FLOW DEPTH(FEET) = 4.47 -------------------------------------------------------~==------------------ ....................................................... --------__-----_-_ - TRAVEL TIME(M1N.) = 1.67 TC(M1N.) = 26.47 ............................................................................ FLOW PROCESS FROM NODE 860.29 TO NODE 860.29 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ -----___-----___________________________------------------------------------ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.248 SOIL CLASSIFICATION IS "A" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .4000 SUBAREA AREA(ACRES) = 2.95 SUBAREA RUNOFF(CFS) = 2.65 TOTAL AREA(ACRES) = 212.65 TOTAL RUNOFF(CFS) = 282.72 TC(M1N) = 26.47 ............................................................................ FMW PROCESS FROM NODE 860.29 TO NODE 860.29 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< ............................................................................ --______________________________________------------------------------------ -_______________________________________------------------------------------ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 26.47 RAINFALL INTENSITY (INCH./HOUR) = 2.25 TOTAL STREAM AREA (ACRES) = 212.65 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 282.72 .~ ............................................................................ FLOW PROCESS FROM NODE 860.30 TO NODE 860.52 IS CODE = 7 ............................................................................ - >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<<< ........................................................................... USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(M1N) = 17.20 RAIN INTENSITY(INCH/HOUR) = 2.97 TOTAL AREA(ACRES) = 4.80 TOTAL RUNOFF(CFS) = 6.34 c = .55 L(FT) = 650 S = 6.46% TC = 1.811.1 - Cl1Ll^1/2 [ s ( 100) 3 - 1/ 3 ............................................................................ FLOW PROCESS FROM NODE 860.52 TO NODE 860.31 IS CODE = 6 >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< UPSTREAM ELEVATION = 218.00 DOWNSTREAM ELEVATION = 185.00 STREET LENGTH(FEET) = 750.00 CURB HEIGTH(1NCHES) = 6. STREET HALFWIDTH(FEET) = 20.00 STREET CROSSFALL(DEC1MAL) = .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 13.72 STREET FLOWDEPTH(FEET) = .35 HALFSTREET FLOODWIDTH (FEET) = 11.04 AVERAGE FLOW VELOCITY(FEET/SEC.) = 5.13 PRODUCT OF DEPTH&VELOCITY = 1.78 ............................................................................ ............................................................................ STREETFLOW TRAVELTIME(M1N) = 2.44 TC(M1N) = 19.64 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.726 - SOIL CLASSIFICATION IS I'D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 9.90 SUBAREA RUNOFF(CFS) = 14.84 SUMMED AREA(ACRES) = 14.70 TOTAL RUNOFF(CFS) = 21.18 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH (FEET) = .39 HALFSTREET FLOODWIDTH(FEET) = 13.35 FLOW VELOCITY(FEET/SEC.) = 5.57 DEPTH*VELOCITY = 2.19 ............................................................................ FLOW PROCESS FROM NODE 860.31 TO NODE 860.32 IS CODE = 4 ............................................................................ >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 27.0 INCH PIPE IS 9.0 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 13.2 UPSTREAM NODE ELEVATION = 185.00 DOWNSTREAM NODE ELEVATION = 156.14 FLOWLENGTH(FEET) = 400.00 MANNINGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 27.00 NUMBER OF PIPES = 1 TRAVEL TIME(M1N.) = .37 TC(M1N.) = 20.00 .............................................................................. PIPEFLOW THRU SUBAREA(CFS) = 21.18 ............................................................................. FLOW PROCESS FROM NODE 860.32 TO NODE 860.32 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 860.32 TO NODE 860.53 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 30.0 INCH PIPE IS 10.6 INCHES PIPEFLOW VELOCITY (FEET/SEC. ) = 19.8 UPSTREAM NODE ELEVATION = 156.14 DOWNSTREAM NODE ELEVATION = 133.74 FLOWLENGTH(FEET) = 320.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 30.00 NUMBER OF PIPES = 1 PIPEFMW THRU SUBAREA(CFS) = 30.81 TRAVEL TIME (MIN. ) = .27 TC(M1N.) = 20.27 ............................................................................ ___________________-____________________------------------------------------ ___________________--------------------------------------------------------- ............................................................................ FLOW PROCESS FROM NODE 860.53 TO NODE 860.33 IS CODE = 4 ............................................................................ - >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 36.0 INCH PIPE IS 10.8 INCHES PIPEFLOW VELOCITY (FEET/SEC. ) = 17.3 UPSTREAM NODE ELEVATION = 133.74 DOWNSTREAM NODE ELEVATION = 105.24 FLOWLENGTH(FEET) = 570.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 36.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 30.81 TRAVEL TIME (MIN. ) = .55 TC(M1N.) = 20.82 -------__--__--------------------------------------------------------------- ---________________-____________________------------------------------------ ............................................................................ FLOW PROCESS FROM NODE 860.33 TO NODE 860.29 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 48.0 INCH PIPE IS 12.6 INCHES PIPEFLOW VELOCITY (FEET/SEC. ) = 11.7 UPSTREAM NODE ELEVATION = 105.24 DOWNSTREAM NODE ELEVATION = 100.74 FLOWLENGTHIFEETI = 250.00 MA"1NGS N = .012 ............................................................................ ________________________________________-------------------_---------------- --------------------____________________------------------------------------ ~~ GIVEN PIPE'DIAMETER(INCH) = 48.00- NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 30.81 TRAVEL TIME (MIN. ) = .36 TC(M1N.) = 21.18 ............................................................................ FLOW PROCESS FROM NODE 860.29 TO NODE 860.29 IS CODE = 8 ............................................................................ - >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.596 ........................................................................... SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 9.80 SUBAREA RUNOFF(CFS) = 13.99 TOTAL AREA(ACRES) = 31.00 TOTAL RUNOFF(CFS) = 44.80 TC(M1N) = 21.18 ............................................................................ FLOW PROCESS FROM NODE 860.29 TO NODE 860.29 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(M1NUTES) = 21.18 RAINFALL INTENSITY (INCH./HOUR) = 2.60 TOTAL STREAM AREA (ACRES) = 31.00 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 44.80 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER ( CFS 1 (MIN. ) (INCH/HOUR) ............................................................................ ____________________------__------------------------------------------------ ______--_-__-_-___---------------------------------------------------------- ............................................................................ - 1 282.72 26.47 2.248 2 44.80 21.18 2.596 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 321.53 289.66 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 321.53 TIME(M1NUTES) = 26.467 TOTAL AREA (ACRES) = 243.65 ............................................................................ FLOW PROCESS FROM NODE 860.29 TO NODE 860.34 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 100.74 DOWNSTREAM NODE ELEVATION = 100.40 CHANNEL LENGTH THRU SUBAREA(FEET) = 170.00 CHANNEL BASE(FEET) = .OO "Z" FACTOR = 8.000 MA"1NGS FACTOR = .040 MAXIMUM DEFl"(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 321.53 FLOW VELOCITY(FEET/SEC) = 2.61 FLOW DEPTH(FEET) = 3.93 ............................................................................ ________________________________________------__---------------------------- ____--_-_--___-_-__-____________________------------------------------------ - TRAVEL TIME(M1N.) = 1.09 TC(M1N.) = 27.55 ............................................................................ FLOW PROCESS FROM NODE 860.34 TO NODE 860.34 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.191 SOIL CLASSIFICATION IS "A" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .4000 TOTAL AREA(ACRES) = 246.05 TOTAL RUNOFF(CFS) = 323.63 TC(M1N) = 27.55 SUBAREA AREA(ACRES) = 2.40 SUBAREA RUNOFF(CFS) = 2.10 ............................................................................ FLOW PROCESS FROM NODE 860.34 TO NODE 860.34 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 27.55 RAINFALL INTENSITY (INCH./HOUR) = 2.19 TOTAL STREAM AREA (ACRES) = 246.05 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 323.63 ............................................................................ ............................................................................ ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 860.58 TO NODE 860.51 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< SOIL CLASSIFICATION IS I'D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 ............................................................................ ............................................................................ -. INITIAL SUBAREA FLOW-LENGTH(FEET) = 470.00 UPSTREAM ELEVATION = 178.00 DOWNSTREAM ELEVATION = 170.00 ELEVATION DIFFERENCE = 8.00 URBAN SUBAREA OVERLAND TIME OF FLOW(M1NUTES) = 19.166 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.769 SUBAREA RUNOFF(CFS) = 6.40 TOTAL AREA(ACRES) = 4.20 TOTAL RUNOFF(CFS) = 6.40 ............................................................................ FLOW PROCESS FROM NODE 860.51 TO NODE 860.37 IS CODE = 6 >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< UPSTREAM ELEVATION = 170.00 DOWNSTREAM ELEVATION = 106.07 STREET LENGTH(FEET) = 1340.00 CURB HEIGTH(1NCHES) = 6. STREET HALFWIDTH(FEET) = 20.00 STREET CROSSFALL(DEC1MAL) = .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 10.89 STREET FLOWDEF'I"(FEET) = .32 HALFSTREET FLOODWIDTH(FEET). = 9.88 PRODUCT OF DEPTH&VELOCITY = 1.61 ________________________________________------------------------------------ -------__-_--_------____________________------------------------------------ -----_--___-______---------------------------------------------------------- AVERAGE FLOW VELOCITY(FEET/SEC.) = 4.97 - STREETFLOW TRAVELTIME(M1N) = 4.49 TC(M1N) = 23.66 100 YEAR RAINFALL INTENSITY (INCH/HOUR) = 2.417 SOIL CLASSIFICATION IS "D" SUBAREA AREA(ACRES) = 6.80 SUBAREA RUNOFF(CFS) = 9.04 SUMMED AREA(ACRES) = 11.00 TOTAL RUNOFF(CFS) = 15.44 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .36 HALFSTREET FLOODWIDTH(FEET) = 11.62 FLOW VELOCITY(FEET/SEC.) = 5.26 DEPTH*VELOCITY = 1.89 - SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 ............................................................................ FLOW PROCESS FROM NODE 860.37 TO NODE 860.34 IS CODE = 4 >>>>>COMPUTE I-TPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 36.0 INCH PIPE IS 8.9 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 11.4 UPSTREAM NODE ELEVATION = 106.07 DOWNSTREAM NODE ELEVATION = 100.40 FLOWLENGTH(FEET) = 210.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 36.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 15.44 TRAVEL TIME (MIN. ) = .31 TC(M1N.) = 23.96 ............................................................................ ............................................................................ ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 860.34 TO NODE 860.34 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(M1NUTES) = 23.96 RAINFALL INTENSITY (INCH./HOUR) = 2.40 TOTAL STREAM AREA (ACRES) = 11.00 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 15.44 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER ( CFS ) (MIN.) (INCH/HOUR) ............................................................................. ............................................................................ ............................................................................ ............................................................................ 1 323.63 27.55 2.191 2 15.44 23.96 2.397 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 337.74 TIME(M1NUTES) = 27.553 TOTAL AREA(ACRES) = 257.05 337.74 311.20 ............................................................................. FLOW PROCESS FROM NODE 860.34 TO NODE 860.38 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< ............................................................................ >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 54.0 INCH PIPE IS 33.9 INCHES -- PIPEFLOW VELOCITY(FEET/SEC.) = 32.1 UPSTREAM NODE ELEVATION = 100.40 DOWNSTREAM NODE ELEVATION = 90.20 FLOWLENGTH(FEET) = 200.00 MANNINGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 54.00 NUMBER OF PIPES = 1 TRAVEL TIME(M1N.) = .10 TC(M1N.) = 27.66 ________________________________________--------------------------- ________________________________________-------------------------- PIPEFLOW THRU SUBAREA(CFS) = 337.74 ............................................................................ FLOW PROCESS FROM NODE 860.38 TO NODE 860.39 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 54.0 INCH PIPE IS 41.0 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 26.1 UPSTREAM NODE ELEVATION = 90.20 DOWNSTREAM NODE ELEVATION = 79.66 FLOWLENGTH(FEET) = 340.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 54.00 NUMBER OF PIPES = 1 TRAVEL TIME(M1N.) = .22 TC(M1N.) = 27.87 ............................................................................ ________________________________________------------------------------------ ________________________________________------------------------------------ PIPEFLOW THRU SUBAREA(CFS) = 337.74 ............................................................................ -. FLOW PROCESS FROM NODE 860.39 TO NODE 860.39 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ________________________________________------------------------------------ ________________________________________----__------------------------------ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.174 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 12.20 SUBAREA RUNOFF(CFS) = 14.59 TOTAL AREA(ACRES) = 269.25 TOTAL RUNOFF(CFS) = 352.33 TC(M1N) = 27.87 ............................................................................ FLOW PROCESS FROM NODE 860.39 TO NODE 860.40 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 60.0 INCH PIPE IS 34.9 INCHES PIPEFLOW VELoCITY(FEET/SEC.) = 29.7 UPSTREAM NODE ELEVATION = 79.66 DOWNSTREAM NODE ELEVATION = 70.86 FLOWLENGTHIFEET) = 220.00 MA"1NGS N = -012 ............................................................................ ________________________________________------------------------------------ ___________________--------------------------------------------------------- . .__ ~~~~ ~ ~~ ~~ . GIVEN PIPE 'DIAMETER(INCH) = 60.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 352.33 - TRAVEL TIME(M1N.) = .12 TC(M1N.) = 28.00 ............................................................................ FLOW PROCESS FROM NODE 860.40 TO NODE 860.41 IS CODE = 4 ............................................................................ -- >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 66.0 INCH PIPE IS 35.8 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 26.7 UPSTREAM NODE ELEVATION = 70.86 DOWNSTREAM NODE ELEVATION = 63.66 FLOWLENGTH(FEET) = 240.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 66.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 352.33 TRAVEL TIME (MIN. ) = .15 TC(M1N.) = 28.15 ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.161 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 14.00 SUBAREA RUNOFF(CFS1 = 16.64 TOTAL AREA(ACRES) = 283.25 TOTAL RUNOFF(CFS) = -368.97 TC(M1N) = 28.15 r- ........................................................................... FLOW PROCESS FROM NODE 860.41 TO NODE 860.41 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 28.15 RAINFALL INTENSITY (INCH./HOUR) = 2.16 TOTAL STREAM AREA (ACRES) = 283.25 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 368.97 ............................................................................ ________________________________________------------------------------------ ............................................................................ TO PAGE -751- ............................................................................ FLOW PROCESS FROM NODE 870.01 TO NODE 860.35 IS CODE = 7 >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<<< USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(M1N) = 18.80 RAIN INTENSITY(INCH/HOUR) = 2.80 TOTAL AREA(ACRES) = 2.30 TOTAL RUNOFF(CFS) = 3.03 c = .55 L(FT) = 620 S = 4.0% ............................................................................ ............................................................................ ............................................................................ .. Tc = 1.8(1.1 - C)(L)-1/2 [S(lOO) ] -1/3 ............................................................................ - FLOW PROCESS FROM NODE 860.35 TO NODE 860.68 IS CODE = 6 >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< ........................................................................... .............................................................................. UPSTREAM ELEVATION = 250.00 DOWNSTREAM ELEVATION = 205.00 STREET LENGTH(FEET) = 1100.00 CURB HEIGTH(1NCHES) = 6. SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 - STREET HALFWIDTH(FEET) = 20.00 STREET CROSSFALL(DEC1MAL) = ,0200 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 12.56 STREET FLoWDEPTH(FEET) = .35 HALFSTREET FLOODWIDTH(FEET) = 11.04 AVERAGE FLOW VELQCITY(FEET/SEC.) = 4.70 PRODUCT OF DEPTH&VELOCITY = 1.63 STREETFLOW TRAVELTIME(M1N) 5 3.90 TC(M1N) = 22.70 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.482 SOIL CLASSIFICATION IS 'ID" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 14.00 SUBAREA RUNOFF(CFS) = 19.11 SUMMED AREA(ACRES) = 16.30 TOTAL RUNOFF(CFS) = 22.14 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .40 HALFSTREET FLOODWIDTH(FEET) = 13.93 FLOW VELOCITY(FEET/SEC.) = 5.38 DEPTH*VELOCITY = 2.18 ............................................................................ FLOW PROCESS FROM NODE 860.68 TO NODE 860.36 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< ............................................................................ ________________________________________--------_--------------------------- -__--_______---------------------------------------------------------------- - DEPTH OF FMW IN 18.0 INCH PIPE IS 14.0 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 15.0 UPSTREAM NODE ELEVATION = 205.00 DOWNSTREAM NODE ELEVATION = 184.23 FLOWLENGTH(FEET) = 470.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 22.14 TRAVEL TIME(M1N.) = .52 TC(M1N.) = 23.22 ............................................................... FLOW PROCESS FROM NODE 860.36 TO NODE 860.69 IS CODE = 4 ............................................................................ >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 24.0 INCH PIPE IS 14.2 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 11.5 UPSTREAM NODE ELEVATION = 184.23 DOWNSTREAM NODE ELEVATION = 179.43 FLOWLENGTH(FEET) = 240.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 22.14 TRAVEL TIME(M1N.) = .35 TC(M1N.) = 23.57 ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 860.69 TO NODE 860.70 IS CODE = 4 ............................................................................ >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 24.0 INCH PIPE IS 14.2 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 17.6 UPSTREAM NODE ELEVATION = 179.43 DOWNSTREAM NODE ELEVATION = 146.06 FLOWLENGTH(FEET) = 710.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 33.87 TRAVEL TIME (MIN. ) = .67 TC(M1N.) = 24.25 ----_________-------____________________------------------------------------ ______________-_-__-____________________------------------------------------ ............................................................................ FLOW PROCESS FROM NODE 860.70 TO NODE 860.70 IS CODE = 8 ............................................................................ - >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.379 -_______________________________________----------------------------------- SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 12.10 SUBAREA RUNOFF(CFS) = 15.83 TOTAL AREA(ACRES) = 37.20 TOTAL RUNOFF(CFS) = 49.70 TC(M1N) = 24.25 ............................................................................ FLOW PROCESS FROM NODE 860.70 TO NODE 860.71 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 27.0 INCH PIPE IS 12.5 INCHES PIPEFLOW VELOCITY (FEET/SEC. ) = 27.6 UPSTREAM NODE ELEVATION = 146.06 DOWNSTREAM NODE ELEVATION = 96.86 FLOWLENGTH(FEET) = 410.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 27.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 49.70 TRAVEL TIME(M1N.) = .25 TC(M1N.) = 24.49 ............................................................................ ---__________--_________________________------------------------------------ -----__-______-------------------------------------------------------------- ........................................................................... FLOW PROCESS FROM NODE 860.71 TO NODE 860.71 IS CODE = 8 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 10.30 SUBAREA RUNOFF(CFS) = 18.60 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .46 HALFSTREET FLOODWIDTH(FEET) = 16.82 FLOW VELOCITY(FEET/SEC.) = 8.61 DEPTH*VELOCITY = 3.98 - SUMMED AREA(ACRES) = 19.30 TOTAL RUNOFF(CFS) = 50.73 ............................................................................ FLOW PROCESS FROM NODE 900.17 TO NODE 900.14 IS CODE = 3 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IN 24.0 INCH PIPE IS 17.1 INCHES PIPEFLOW VELQCITY(FEET/SEC.) = 21.3 UPSTREAM NODE ELEVATION = 75.00 DOWNSTREAM NODE ELEVATION = 49.00 FLOWLENGTH(FEET) = 420.00 MA"1NGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 50.73 TRAVEL TIME (MIN. ) = .33 TC(M1N.) = 15.97 ............................................................................ .............................. ................................................................................ ............................................................................ FLOW PROCESS FROM NODE 900.14 TO NODE 900.14 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< - >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(M1NUTES) = 15.97 RAINFALL INTENSITY (INCH./HOUR) = 3.24 TOTAL STREAM AREA (ACRES) = 19.30 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 50.73 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN. ) (INCH/HOUR) ............................................................................ ........................................................................... ............................................................................ 1 400.04 30.18 2.149 2 50.73 15.97 3.239 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 433.68 TIME(M1NUTES) = 30.178 TOTAL AREA(ACRES) = 363.87 433.68 316.06 ............................................................................ FLOW PROCESS FROM NODE 900.14 TO NODE 900.18 IS CODE = 3 IIDEII ............................................................................. >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< ............................................................................ FLOW PROCESS FROM NODE 860.71 TO NODE 860.41 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 30.0 INCH PIPE IS 14.5 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 25.1 UPSTREAM NODE ELEVATION = 96.86 DOWNSTREAM NODE ELEVATION = 63.66 FLOWLENGTH(FEET) = 400.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 30.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 59.06 TRAVEL TIME(M1N.) = .27 TC(M1N.) = 24.76 ............................................................................ ________________________________________------------------------------------ ________________________________________------------------------------------ ............................................................................ .- FLOW PROCESS FROM NODE 860.41 TO NODE 860.41 IS CODE = 1 ........................................................................... >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(M1NUTES) = 24.76 RAINFALL INTENSITY (INCH./HOUR) = 2.35 TOTAL STREAM AREA (ACRES) = 44.40 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 59.06 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) ________________________________________------------------------------------ ________________________________________------------------------------------ ............................................................................ 1 368.97 28.15 2.161 2 59.06 24.76 2.347 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 423.34 TIME(M1NUTES) = 28.147 TOTAL AREA(ACRES) = 327.65 423.34 398.75 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 72.0 INCH PIPE IS 43.7 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 23.6 UPSTREAM NODE ELEVATION = 63.66 DOWNSTREAM NODE ELEVATION = 53.60 FLOWLENGTH(FEET) = 335.00 MA"1NGS N = .015 GIVEN PIPE DIAMETER(1NCH) = 72.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 423.34 TRAVEL TIME(M1N.) = .24 TC(M1N.) = 28.38 ............................................................................ --------- ............................................................................ FLOW PROCESS FROM NODE 860.42 TO NODE 860.42 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.149 SOIL CLASSIFICATION IS "A" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .4000 SUBAREA AREA(ACRES) = 11.80 SUBAREA RUNOFF(CFS) = 10.14 TOTAL AREA(ACRES) = 339.45 TOTAL RUNOFF(CFS) = 433.49 TC(M1N) = 28.38 ............................................................................ FLOW PROCESS FROM NODE 860.42 TO NODE 860.43 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 72.0 INCH PIPE IS 53.5 INCHES PIPEFLOW VELOCITY (FEET/SEC. ) = 19.2 UPSTREAM NODE ELEVATION = 53.60 DOWNSTREAM NODE ELEVATION = 42.90 FLOWLENGTH(FEET) = 594.00 MA"1NGS N = .015 GIVEN PIPE DIAMETER(1NCH) = 72.00 NUMBER OF PIPES = 1 TRAVEL TIME(M1N.) = .51 TC(M1N.) = 28.90 - ........................................................................... ............................................................................ ............................................................................ PIPEFLOW THRU SUBAREA(CFS) = 433.49 ............................................................................ FLOW PROCESS FROM NODE 860.43 TO NODE 860.43 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ ________________________________________------------------------------------ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.124 SOIL CLASSIFICATION IS "A" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .4000 SUBAREA AREA(ACRES) = 22.20 SUBAREA RUNOFF(CFS) = 18.87 TOTAL AREA(ACRES) = 361.65 TOTAL RUNOFF(CFS) = 452.35 TC(M1N) = 28.90 .. ............................................................................ FLOW PROCESS FROM NODE 860.43 TO NODE 860.44 IS CODE = 4 --_____i____--------_________c__________------------------------------------ >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 72.0 INCH PIPE IS 47.4 INCHES UPSTREAM NODE ELEVATION = 42.90 DOWNSTREAM NODE ELEVATION = 26.84 FLOWLENGTH(FEET) = 595.00 MA"1NGS N = .015 GIVEN PIPE DIAMETER(1NCH) = 72.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) i= 452.35 TRAVEL TIME(M1N.) = .43 TC(M1N.) = 29.33 ............................................................................. - PIPEFLOW VELOCITY(FEET/SEC.) = 22.9 .............................................................................. FLOW PROCESS FROM NODE 860.44 TO NODE 860.45 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 72.0 INCH PIPE IS 56.8 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 18.9 UPSTREAM NODE ELEVATION = 26.84 DOWNSTREAM NODE ELEVATION = 25.76 FMWLENGTH (FEET) = 98.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 72.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 452.35 TRAVEL TIME (MIN. ) = .09 TC(M1N.) = 29.42 ____________c------_-------------------------------------------------------- ------------L==------------------------------------------------------------- ------------ ............................................................. ............................................................................ FLOW PROCESS FROM NODE 860.45 TO NODE 860.45 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ -----_---___-----_---------------------------------------------------------- ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.100 SOIL CLASSIFICATION IS "A" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .4000 SUBAREA AREA(ACRES) = 23.60 SUBAREA RUNOFF(CFS) = 19.83 TOTAL AREA(ACRES) = 385.25 TOTAL RUNOFF(CFS) = 472.18 TC(M1N) = 29.42 ............................................................................ FLOW PROCESS FROM NODE 860.45 TO NODE 860.47 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 72.0 INCH PIPE IS 55.5 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 20.2 UPSTREAM NODE ELEVATION = 25.76 DOWNSTREAM NODE ELEVATION = 13.39 FLOWLENGTH(FEET) = 980.00 MANNINGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 72.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 472.18 TRAVEL TIME(M1N.) = .81 TC(M1N.) = 30.23 ............................................................................ .............................................................................. ............................................................................ - FLOW PROCESS FROM NODE 860.47 TO NODE 860.47 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FMW<<<<< DEBRIS BASIN ............................................................................ .............................................................................. 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.064 SOIL CLASSIFICATION IS "A" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .4000 SUBAREA AREA(ACRES) = 27.40 SUBAREA RUNOFF(CFS) = 22.62 TOTAL AREA(ACRES) = 412.65 TOTAL RUNOFF(CFS) = 494.80 TC(M1N) = 30.23 END OF RATIONAL METHOD ANALYSIS .............................................................................. ............................................................................ RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE Reference: SAN DIEGO COUNTY FLOOD CONTROL DISTRICT - 1985,1981 HYDROLOGY MANUAL (c) Copyright 1982-88 Advanced Engineering Software (aes) Analysis prepared by: COOPER ENGINEERING ASSOCIATES 8369 VICKERS ST., STE. C SAN DIEGO, CA. 92111 Ver. 4.1A Release Date: 1/09/89 Serial # 3454 (619) 277-0441 .......................... DESCRIPTION OF STUDY .......................... * CARLBAD MASTER DRAINAGE PIAN * * D2.RES * * SAN MARCOS CREEK BASIN (BASIN IID") - LINES 'IDC", I'DD", "DE", "DF" * .......................................................................... FILE NAME: D2.DAT TIME/DATE OF STUDY: 11:19 3/26/1990 ............................................................................ USER SPECIFIED HYDROLOGY AND HYDRAULIC' MODEL INFORMATION: ............................................................................ - 1985 SAN DIEGO MANUAL CRITERIA USER SPECIFIED STORM EVENT(YEAR) = 100.00 6-HOUR DURATION PRECIPITATION (INCHES) = 2.600 SPECIFIED MINIMUM PIPE SIZE(1NCH) = 18.00 SPECIFIED PERCENT OF GRADIENTS(DEC1MAL) TO USE FOR FRICTION SLOPE = .95 SAN DIEGO HYDROLOGY MANUAL "C"-VALUES USED LINE "DE" .............................................................................. FLOW PROCESS FROM NODE 900.01 TO NODE 900.02 IS CODE = 7 >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<<< USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(M1N) = 22.00 RAIN INTENSITY(INCH/HOUR) = 2.63 -----_-_________________________________------------------------------------ ............................................................................ ________________________________________------------------------------------ TOTAL AREA(ACRES) = 7.70 TOTAL RUNOFF(CFS) = 11.00 c = .55 L(FT) = 930 s = 4.3% TC = 1.8f1.1 - CI(L1^1/2 [S (100) 3 - 1/3 ............................................................................ FLOW PROCESS FROM NODE 900.02 TO NODE 900.03 IS CODE = 6 ............................................................................ - >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< -----------_____________________________----------------------------------- -----------_____________________________----------------------------------- UPSTREAM ELEVATION = 283.00 DOWNSTREAM ELEVATION = 225.00 STREET LENGTH(FEET) = 1190.00 CURB HEIGTH(1NCHES) = 6. STREET HALFWIDTH(FEET) = 20.00 STREET CROSSFALL(DEC1MAL) = .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 30.00 STREET FLOWDEPTH(FEET) = .43 HALFSTREET FLOODWIDTH (FEET) = 15.09 AVERAGE FLOW VELOCITY (FEET/SEC. ) = 6.27 PRODUCT OF DEF'TH&VELOCITY = 2.68 - STREETFLOW TRAVELTIME(M1N) = 3.17 TC(M1N) = 25.17 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.416 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 28.50 SUBAREA RUNOFF(CFS) = 37.86 SUMMED AREA(ACRES) = 36.20 TOTAL RUNOFF(CFS) = 48.86 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .50 HALFSTREET FLOODWIDTH(FEET) = 18.55 FLOW VELOCITY(FEET/SEC.) = 6.86 DEPTH*VELOCITY = 3.41 ............................................................................ FLOW PROCESS FROM NODE 900.03 TO NODE 900.04 IS CODE = 3 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< ............................................................................ DEPTH OF FLOW IN 27.0 INCH PIPE IS 20.0 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 15.5 DOWNSTREAM NODE ELEVATION = 200.00 FLOWLENGTH(FEET) = 900.00 MA"1NGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 27.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 48.86 TRAVEL TIME(M1N.) = .97 TC(M1N.) = 26.13 - UPSTREAM NODE ELEVATION = 225.00 ............................................................................ FLOW PROCESS FROM NODE 900.04 TO NODE 900.04 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ -----------_--____--____________________------------------------------------ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.358 *USER SPECIFIED (SUBAREA) : SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .6400 SUBAREA AREA(ACRES) = 44.90 SUBAREA RUNOFF(CFS) = 67.75 TOTAL AREA(ACRES) = 81.10 TOTAL RUNOFF(CFS) = 116.61 TC(M1N) = 26.13 ............................................................................ FLOW PROCESS FROM NODE 900.04 TO NODE 900.05 IS CODE = 3 1lDEl1 ............................................................................ >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< .- >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IN 36.0 INCH PIPE IS 28.0 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 19.8 UPSTREAM NODE ELEVATION = 200.00 DOWNSTREAM NODE ELEVATION = 179.00 ESTIMATED PIPE DIAMETER (INCH) = 3 6.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 116.61 TRAVEL TIME(M1N.) = .58 TC(M1N.) = 26.71 - FLOWLENGTH(FEET) = 690.00 MA"1NGS N = .012 ............................................................................ FLOW PROCESS FROM NODE 900.05 TO NODE 900.05 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.324 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 15.20 SUBAREA RUNOFF(CFS) = 19.43 TOTAL AREA(ACRES) = 96.30 TOTAL RUNOFF(CFS) = 136.04 TC(M1N) = 26.71 ............................................................................ FLOW PROCESS FROM NODE 900.05 TO NODE 900.0.5 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 26.71 TOTAL STREAM AREA (ACRES) = 96.30 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 136.04 ............................................................................ ______________________________-----_--____________-===---_----___________--_ ................................................... ~ RAINFALL INTENSITY (INCH./HOUR) = 2.32 ............................................................................ FLOW PROCESS FROM NODE 900.06 TO NODE 900.07 IS CODE = 7 ............................................................................ >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<<< USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(M1N) = 15.50 RAIN INTENSITY(INCH/HOUR) = 3.30 TOTAL AREA (ACRES) = 9.80 TOTAL RUNOFF(CFS) = 17.24 c = .55 L(FT) = 800 S = 10.75% ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 900.07 TO NODE 900.08 IS CODE = 6 ............................................................................ >>>>>COMPUTE STREETFMW TRAVELTIME THRU SUBAREA<<<<< UPSTREAM ELEVATION = 298.00 DOWNSTREAM ELEVATION = 263.00 STREET LENGTH(FEET) = 430.00 CURB HEIGTH(1NCHES) = 6. STREET HALFWIDTH(FEET) = 20.00 STREET CROSSFALL(DEC1MAL) = .0200 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 26.42 STREET FLOWDEPTH (FEET) = .38 HALFSTREET FLOODWIDTH (FEET) = 12.77 ____________________-----_--__________---__-----__________-----__________--- ________________--------------_____________ - SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 AVERAGE FLOW VELOCITY(FEET/SEC.) = 7.55 PRODUCT OF DEFTH&VELOCITY = 2.88 - STREETFLOW TRAVELTIME (MIN) = .95 TC(M1N) = 16.45 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.178 SOIL CLASSIFICATION IS 'ID" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA ,AREA(ACRES) = 10.50 SUBAREA RUNOFF(CFS) = 18.35 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .42 HALFSTREET FLOODWIDTH(FEET) - 14.51 FLOW VELOCITY(FEET/SEC.) = 8.01 DEPTH*VELOCITY = 3.33 SUMMED AREA(ACRES) = 20.30 TOTAL RUNOFF(CFS) j 35.59 ............................................................................ FLOW PROCESS FROM NODE 900.08 TO NODE 900.05 IS CODE = 3 >>>>>COMPUTE PIPEFMW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< ............................................................................ ............................................................................ DEPTH OF FLOW IN 21.0 INCH PIPE IS 15.7 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 18.5 UPSTREAM NODE ELEVATION = 263.00 DOWNSTREAM NODE ELEVATION = 179.00 FLOWLENGTH(FEET) = 1530.00 MA"1NGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 21.00 NUMBER OF PIPES = 1 TRAVEL TIME(M1N.) = 1.38 TC(M1N.) = 17.83 PIPEFLOW THRU SUBAREA(CFS) = 35.59 - ............................................................................ FLOW PROCESS FROM NODE 900.05 TO NODE 900.05 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.017 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 31.70 SUBAREA RUNOFF(CFS) = 52.60 TOTAL AREA(ACRES) = 52.00 TOTAL RUNOFF(CFS) = 88.19 TC(M1N) = 17.83 ............................................................................ FLOW PROCESS FROM NODE 900.05 TO NODE 900.05 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(M1NUTES) = 17.83 RAINFALL INTENSITY (INCH./HOUR) = 3.02 TOTAL STREAM AREA (ACRES) = 52.00 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 88.19 ............................................................................ ............................................................................ ............................................................................ CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN . ) ( INCH/HOUR) ............................................................................ -1 136.04 26.71 2.324 2 88.19 17.83 3.017 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 203.99 193.01 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 203.99 TIME(M1NUTES) = 26.714 TOTAL AREA(ACRES) = 148.30 ............................................................................ FLOW PROCESS FROM NODE 900.05 TO NODE 900.09 IS CODE = 3 IIDEII ............................................................................ >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< ~~~~~__ ~~~~~~~~~ ~~~~ ~~ ~~~~ ~ DEPTH OF FLOW IN 48.0 INCH PIPE IS 34.4 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 21.2 UPSTREAM NODE ELEVATION = 179.00 DOWNSTREAM NODE ELEVATION = 145.00 FLOWLENGTH(FEET) = 1400.00 MA"1NGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 48.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS). = 203.99 TRAVEL TIME(M1N.) = 1.10 TC(M1N.) = 27.82 - ............................................................................ FLOW PROCESS FROM NODE 900.09 TO NODE 900.09 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ------ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.264 SOIL CLASSIFICATION IS 'ID" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 65.30 SUBAREA RUNOFF(CFS) = 81.33 TOTAL AREA(ACRES) = 213.60 TOTAL RUNOFF(CFS) = 285.32 TC(M1N) = 27.82 ............................................................................ FLOW PROCESS FROM NODE 900.09 TO NODE 900.10 IS CODE.= 3 IIDEII ............................................................................ >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IN 51.0 INCH PIPE IS 40.9 INCHES PIPEFLOW VELoCITY(FEET/SEC.) = 23.4 UPSTREAM NODE ELEVATION = 145.00 DOWNSTREAM NODE ELEVATION = 125.00 ESTIMATED PIPE DIAMETER(1NCH) = 51.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 285.32 TRAVEL TIME(M1N.) = .53 TC(M1N.) = 28.35 ............................................................................ ............................................................................ -. FLOWLENGTH(FEET) = 750.00 MA"INGS N = .012 ............................................................................ - FLOW PROCESS FROM NODE 900.10 TO NODE 900.10 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ________________________________________------------------------------------ ______________-_________________________------------------------------------ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.237 SOIL CLASSIFICATION IS "A" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .4000 SUBAREA AREA(ACRES) = 23.40 SUBAREA RUNOFF(CFS) = 20.94 TOTAL AREA(ACRES) = 237.00 TOTAL RUNOFF(CFS) = 306.26 TC(M1N) = 28.35 ............................................................................ FLOW PROCESS FROM NODE 900.10 TO NODE 900.11 IS CODE = 3 IIDEII ............................................................................ >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IN 57.0 INCH PIPE IS 43.8 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 21.0 UPSTREAM NODE ELEVATION = 125.00 DOWNSTREAM NODE ELEVATION = 112.00 FLOWLENGTH(FEET) = 700.00 MA"1NGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 57.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 306.26 * PROPOSED 54" RCP -------_------_--_--____________________------------------------------------ -_______________________________________------------------------------------ - TRAVEL TIME(M1N.) = .56 TC(M1N.) = 28.91 ............................................................................ FLOW PROCESS FROM NODE 900.11 TO NODE 900.11 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ----------__-_--_----------------------------------------------------------- ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.209 SOIL CLASSIFICATION IS "A" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .4000 SUBAREA AREA(ACRES) = 30.50 SUBAREA RUNOFF(CFS) = 26.95 TOTAL AREA(ACRES) = 267.50 TOTAL RUNOFF(CFS) = 333.20 TC(M1N) = 28.91 ............................................................................ FLOW PROCESS FROM NODE 900.11 TO NODE 900.12 IS CODE = 3 IIDEII ............................................................................ >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IN 54.0 INCH PIPE IS 41.9 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 25.2 UPSTREAM NODE ELEVATION = 112.00 - DOWNSTREAM NODE ELEVATION = 89.00 FLOWLENGTH(FEET) = 800.00 MA"1NGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 54.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 333.20 TRAVEL TIME(M1N.) = .53 TC(M1N.) = 29.44 --------_-----_____-____________________------------------------------------ ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 900.12 TO NODE 900.12 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ __________----_-____-------------------------------------------------------- ________________________________________------------------------------------ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.183 SOIL CLASSIFICATION IS "A" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .4000 SUBAREA AREA(ACRES) = 34.95 SUBAREA RUNOFF(CFS) = 30.52 TOTAL AREA(ACRES) = 302.45 TOTAL RUNOFF(CFS) = 363.73 TC(M1N) = 29.44 ............................................................................ FLOW PROCESS FROM NODE 900.12 TO NODE 900.13 IS CODE = 3 "DEI1 ............................................................................ >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IN 54.0 INCH PIPE IS 43.7 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 26.4 UPSTREAM NODE ELEVATION = 89.00 DOWNSTREAM NODE ELEVATION = 62.00 FLOWLENGTH(FEET) = 860.00 MA"1NGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 54.00 NUMBER OF PIPES = 1 TRAVEL TIME(M1N.) = .54 TC(M1N.) = 29.98 ............................................................................ ---_-_--__------------------------------------------------------------------ - PIPEFLOW THRU SUBAREA(CFS) = 363.73 ............................................................................ FLOW PROCESS FROM NODE 900.13 TO NODE 900.13 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.158 SOIL CLASSIFICATION IS "A" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .4000 SUBAREA AREA(ACRES) = 30.62 SUBAREA RUNOFF(CFS) = 26.43 TOTAL AREA(ACRES) = 333.07 TOTAL RUNOFF(CFS) = 390.15 TC(M1N) = 29.98 ............................................................................ FLOW PROCESS FROM NODE 900.13 TO NODE 900.14 IS CODE = 3 "DEI1 ............................................................................ >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IN 57.0 INCH PIPE IS 41.9 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 27.9 UPSTREAM NODE ELEVATION = 62.00 -. DOWNSTREAM NODE ELEVATION = 51.00 FLOWLENGTH(FEET) = 330.00 MA"1NGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 57.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 390.15 ------____--____________________________------------------------------------ ............................................................................ TRAVEL TIME(M1N.) = .20 TC(M1N.) = 30.18 ............................................................................ FLOW PROCESS FROM NODE 900.14 TO NODE 900.14 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.149 SOIL CLASSIFICATION IS "A" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .4000 SUBAREA AREA(ACRES) = 11.50 SUBAREA RUNOFF(CFS) = 9.88 TOTAL AREA(ACRES) = 344.57 TOTAL RUNOFF(CFS) = 400.04 TC(M1N) = 30.18 ............................................................................ FMW PROCESS FROM NODE 900.14 TO NODE 900.14 IS CODE = 1 ............................................................................ >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NIJTES) = 30.18 RAINFALL INTENSITY (INCH./HOUR) = 2.15 TOTAL STREAM AREA (ACRES) = 344.57 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 400.04 ______--_--_-___----------_------------------------------------------------- ______-------___-----------------------------_------------------------------ ............................................................................ - FLOW PROCESS FROM NODE 900.15 TO NODE 900.16 IS CODE = 7 >>>>>USER SPECIFIED HYDROMGY INFORMATION AT NODE<<<<< ............................................................................ USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(M1N) = 14.00 RAIN INTENSITY(INCH/HOUR) = 3.53 TOTAL AREA (ACRES) = 9.00 TOTAL RUNOFF(CFS) = 32.13 c = .55 L(FT) = 790 s = 12.9% .. TC = 1.8f1.1 - C\(L\^1/2 [S (100) 3 -1/3 ............................................................................ FLOW PROCESS FROM NODE 900.16 TO NODE 900.17 IS CODE = 6 ............................................................................ >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< UPSTREAM ELEVATION = 148.00 DOWNSTREAM ELEVATION = 75.00 STREET LENGTH(FEET) = 850.00 CURB HEIGTH(1NCHES) = 6. STREET HALFWIDTH(FEET) = 20.00 STREET CROSSFALL(DEC1MAL) = .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 41.42 STREET FLOWDEPTH (FEET) = .4 3 HALFSTREET FLOODWIDTH(FEET) = 15.09 AVERAGE FLOW VELOCITY (FEET/SEC. ) = 8.65 PRODUCT OF DEPTH&VELOCITY = 3.70 _-------------_-_--__-------_-----_----------------------------------------- ---_-----------___---_------------------------------------------------------ STREETFLOW TRAVELTIME(M1N) = 1.64 TC(M1N) = 15.64 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.283 ----------_________-____________________------------------------------------ ---________________-____________________------------------------------------ - DEPTH OF FLOW IN 60.0 INCH PIPE IS 46.8 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 26.4 UPSTREAM NODE ELEVATION = 49.00 DOWNSTREAM NODE ELEVATION = 26.00 FLOWLENGTH(FEET) = 840.00 MA"1NGS N = -012 ESTIMATED PIPE DIAMETER(1NCH) = 60.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 433.68 TRAVEL TIME (MIN. ) = .53 TC(M1N.) = 30.71 ............................................................................ FLOW PROCESS FROM NODE 900.18 TO NODE 900.18 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ ________________________________________------------------------------------ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.125 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 15.10 SUBAREA RUNOFF(CFS) = 17.64 TOTAL AREA(ACRES) = 378.97 TOTAL RUNOFF(CFS) = 451.33 TC(M1N) = 30.71 TO PAGE ............................................................................ FLOW PROCESS FROM NODE 920.01 TO NODE 920.02 IS CODE = 7 ............................................................................ ,- >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<<< USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(M1N) = 17.02 RAIN INTENSITY(INCH/HOUR) = 3.11 TOTAL AREA (ACRES) = 7.10 TOTAL RUNOFF (CFS) = 11.95 c = .55 L(FT) = 890 S = 8.1% .. TC = l.S(l.1 - C)( L) -1/2 [S (100) ] -1/3 ............................................................................ FLOW PROCESS FROM NODE 920.02 TO NODE 920.03 IS CODE = 6 >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< UPSTREAM ELEVATION = 246.00 DOWNSTREAM ELEVATION = 207.00 STREET LENGTH(FEET) = 480.00 CURB HEIGTH(1NCHES) = 6. STREET HALFWIDTH(FEET) = 20.00 STREET CROSSFALL(DEC1MAL) = .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 22.78 STREET FLOWDEPTH(FEET) = .37 HALFSTREET FLOODWIDTH(FEET) = 12.20 AVERAGE FLOW VELOCITY(FEET/SEC.) = 7.10 PRODUCT OF DEPTH&VELOCITY = 2.63 ............................................................................ ............................................................................ ________________________________________------------------------------------ STREETFLOW TRAVELTIME(M1N) = 1.13 TC(M1N) = 18.15 -~ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.983 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 13.20 SUBAREA RUNOFF(CFS) = 21.65 SUMMED AREA(ACRES) = 20.30 TOTAL RUNOFF(CFS) = 33.60 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .42 HALFSTREET FLOODWIDTH(FEET) = 14.51 FLOW VELoCITY(FEET/SEC.) = 7.56 DEPTH*VELOCITY = 3.15 - ............................................................................ FLOW PROCESS FROM NODE 920.03 TO NODE 920.04 IS CODE = 3 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< _______c-------------------------------------------------------------------- >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEFT" OF FLOW IN 24.0 INCH PIPE IS 15.5 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 15.7 UPSTREAM NODE ELEVATION = 207.00 DOWNSTREAM NODE ELEVATION = 163.00 FLOWLENGTH(FEET) = 1240.00 MA"1NGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 33.60 TRAVEL TIME(M1N.) = 1.32 TC(M1N.) = 19.46 ............................................................................ ________---________--------------------------------------------------------- ............................................................................ FLOW PROCESS FROM NODE 920.04 TO NODE 920.05 IS CODE = 4 ............................................................................ >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 42.0 INCH PIPE IS 26.2 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 13.2 DOWNSTREAM NODE ELEVATION = 150.00 FLOWLENGTH(FEET) = 1070.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 42.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 83.47 TRAVEL TIME(M1N.) = 1.35 TC(M1N.) = 20.81 ............................................................................ ............................................................................ * UPSTREAM NODE ELEVATION = 163.00 SINGLE: FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 41.60 SUBAREA RUNOFF(CFS) = 62.47 TOTAL AREA(ACRES) = 93.70 TOTAL RUNOFF(CFS) = 145.94 ,-- TC(M1N) = 20.81 ............................................................................ FLOW PROCESS FROM NODE 920.05 TO NODE 920.06 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 42.0 INCH PIPE IS 32.1 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 18.5 UPSTREAM NODE ELEVATION = 150.00 DOWNSTREAM NODE ELEVATION = 138.50 FLOWLENGTH(FEET) = 530.00 MANNINGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 42.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 145.94 TRAVEL TIME (MIN. ) = .48 TC(M1N.) = 21.29 ............................................................................ ________________________________________------------------------------------ ________________________________________------------------------------------ ............................................................................ FLOW PROCESS FROM NODE 920.06 TO NODE 920.06 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.691 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 14.40 SUBAREA RUNOFF(CFS) = 21.31 TOTAL AREA(ACRES) = 108.10 TOTAL RUNOFF(CFS) = 167.25 TC(M1N) = 21.29 ............................................................................ FLOW PROCESS FROM NODE 920.06 TO NODE 920.07 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 48.0 INCH PIPE IS 22.8 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 28.4 UPSTREAM NODE ELEVATION = 138.50 DOWNSTREAM NODE ELEVATION = 85.72 FLOWLENGTH(FEET) = 910.00 MANNINGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 48.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 167.25 TRAVEL TIME(M1N.) = .53 TC(M1N.) = 21.82 ............................................................................ ............................................................................ ............................................................................ SOIL CLASSIFICATION IS "A" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .4000 SUBAREA AREA(ACRES) = 11.90 SUBAREA RUNOFF(CFS) = 12.60 TC(M1N) = 21.82 - TOTAL AREA(ACRES) = 120.00 TOTAL RUNOFF(CFS) = 179.86 ............................................................................ FLOW PROCESS FROM NODE 920.07 TO NODE 920.08 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 48.0 INCH PIPE IS 26.9 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 24.8 UPSTREAM NODE XEVATION = 85.72 DOWNSTREAM NODE ELEVATION = 52.05 FLOWLENGTH(FEET) = 870.00 MA"1NGS N = .OK! GIVEN PIPE DIAMETER(1NCH) = 48.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 179.86 TRAVEL TIME(M1N.) = .58 TC(M1N.) = 22.41 ............................................................................ --_____________--___---_-_-____------_-------------___-------------_-------- ________________________________________----_----------------_-_------------ ............................................................................ FLOW PROCESS FROM NODE 920.08 TO NODE 920.08 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ____________________-_-_------------------------_-_------------------------- ---________________-____________________-----------------------_------_----- - 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.603 SOIL CLASSIFICATION IS "A" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .4000 SUBAREA AREA(ACRES) = 15.60 SUBAREA RUNOFF(CFS) = 16.25 TOTAL AREA(ACRES) = 135.60 TOTAL RUNOFF(CFS) = 196.10 TC(M1N) = 22.41 ............................................................................ FLOW PROCESS FROM NODE 920.08 TO NODE 920.08 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< ............................................................................ -------____________--------------------------------------------------------- ---________________-____________________------------------_----------------- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION (MINUTES) = 22.41 RAINFALL INTENSITY (INCH./HOUR) = 2.60 TOTAL STREAM AREA (ACRES) = 135.60 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 196.10 FLOW PROCESS FROM NODE 920.09 TO NODE 920.10 IS CODE = 7 >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<<< USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(M1N) = 19.80 RAIN INTENSITY(INCH/HOUR) = 2.82 TOTAL AREA (ACRES) = 9.70 TOTAL RUNOFF(CFS) = 16.00 c = .55 L(FT) = 870 S = 7.58% ............................................................................ ............................................................................ ----_----_-________-____________________--------------------__-------------- --------___________-____________________------------------------------------ - .. TC = 1.811.1 - C)IL)^1/2 [S (100) ] -1/3 7/ R ............................................................................ FLOW PROCESS FROM NODE 920.10 TO NODE 920.11 IS CODE = 6 >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< UPSTREAM ELEVATION = 109.00 DOWNSTREAM ELEVATION = 88.00 STREET LENGTH(FEET) = 570.00 CURB HEIGTH(1NCHES) = 6. STREET HALFWIDTH(FEET) = 20.00 STREET CROSSFALL(DEC1MAL) = .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 28.15 STREET FLOWDEPTH(FEET) = .44 HALFSTREET FLOODWIDTH (FEET) = 15.66 PRODUCT OF DEPTH&VELOCITY = 2.41 ........................................................................... -----------_____-_--____________________------------------------------------ --------________________________________------------------------------------ AVERAGE FLOW VELOCITY(FEET/SEC.) = 5.47 STREETFLOW TRAVELTIME(M1N) = 1.74 TC(M1N) = 21.54 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.671 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 16.50 SUBAREA RUNOFF(CFS) = 24.24 SUMMED AREA(ACRES) = 26.20 TOTAL RUNOFF(CFS) = 40.24 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .49 HALFSTREET FLOODWIDTH(FEET) = 17.98 FLOW VELOCITY(FEET/SEC.) = 6.01 DEPTH*VELOCITY = 2.92 -. ............................................................................ FLOW PROCESS FROM NODE 920.11 TO NODE 920.12 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 36.0 INCH PIPE IS 14.7 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 14.9 UPSTREAM NODE ELEVATION = 88.00 DOWNSTREAM NODE ELEVATION = 81.00 FLOWLENGTH(FEET) = 260.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 36.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 40.24 TRAVEL TIME(M1N.) = .29 TC(M1N.) = 21.83 ............................................................................ --______________________________________---------------------------_-------- ---------__________---------------_-------------------------_--------------- ............................................................................ FLOW PROCESS FROM NODE 920.12 TO NODE 920.12 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ------_______-------____________________------------------------------------ ---_____________________________________------------------------------------ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.648 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 4.75 SUBAREA RUNOFF(CFS) = 6.92 TOTAL AREA(ACRES) = 30.95 TOTAL RUNOFF(CFS) = 47.16 ~ TC(M1N) = 21.83 ............................................................................ FLOW PROCESS FROM NODE 920.12 TO NODE 920.13 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 36.0 INCH PIPE IS 16.6 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 14.8 UPSTREAM NODE ELEVATION = 81.00 DOWNSTREAM NODE ELEVATION = 77.00 FLOWLENGTH(FEET) = 170.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 36.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 47.16 TRAVEL TIME(M1N.) = .19 TC(M1N.) = 22.02 ........................................................................... - ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 920.13 TO NODE 920.13 IS CODE = 8 ............................................................................ >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ....................................................... ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.633 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 11.60 SUBAREA RUNOFF(CFS) = 16.80 TOTAL AREA(ACRES) = 42.55 TOTAL RUNOFF(CFS) = 63.95 TC(M1N) = 22.02 ............................................................................ FLOW PROCESS FROM NODE 920.13 TO NODE 920.08 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 36.0 INCH PIPE IS 13.9 INCHES PIPEFLOW VELoCITY(FEET/SEC.) = 25.4 UPSTREAM NODE ELEVATION = 77.00 DOWNSTREAM NODE ELEVATION = 52.05 FLOWLENGTH(FEET) = 300.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 36.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 63.95 TRAVEL TIME(M1N.) = .20 TC(M1N.) = 22.22 ............................................................................ ............................................................................ ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 920.08 TO NODE 920.08 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: RAINFALL INTENSITY (INCH./HOUR) = 2.62 TOTAL STREAM AREA (ACRES) = 42.55 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 63.95 ............................................................................ ............................................................................ ............................................................................ - TIME OF CONCENTRATION(M1NUTES) = 22.22 CONFLUENCE INFORMATION: ,- STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN. ) (INCH/HOUR) ........................................................................... 1 196.10 22.41 2.603 2 63.95 22.22 2.618 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 259.70 TIME(M1NUTES) = 22.408 TOTAL AREA (ACRES) = 178.15 259.70 258.97 ............................................................................ FLOW PROCESS FROM NODE 920.08 TO NODE 920.14 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 54.0 INCH PIPE IS 26.0 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 34.3 UPSTREAM NODE ELEVATION = 52.05 DOWNSTREAM NODE ELEVATION = 28.45 FLOWLENGTH (FEET) = 330.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 54.00 NUMBER OF PIPES = 1 TRAVEL TIME(M1N.) = .16 TC(M1N.) = 22.57 ............................................................................ ---------_--_--_--_-____________________------------------------------------ ________________________________________------------------------------------ -- PIPEFLOW THRU SUBAREA(CFS) = 259.70 ............................................................................ FLOW PROCESS FROM NODE 920.14 TO NODE 920.14 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.591 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 5.60 SUBAREA RUNOFF(CFS) = 7.98 TOTAL AREA(ACRES) = 183.75 TOTAL RUNOFF(CFS) = 267.68 TC(M1N) = 22.57 ............................................................................ FLOW PROCESS FROM NODE 920.14 TO NODE 920.19 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 60.0 INCH PIPE IS 32.5 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 24.6 DOWNSTREAM NODE ELEVATION = 20.33 FLOWLENGTH(FEET) = 280.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 60.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 267.68 ............................................................................ -_______________________________________------------------------------------ ------__________________________________------------------------------------ .. UPSTREAM NODE ELEVATION = 28.45 TRAVEL TIME(M1N.) = .19 TC(M1N.) = 22.76 .- ........................................................................... FLOW PROCESS FROM NODE 920.19 TO NODE 920.19 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<i< ............................................................................ --------- ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.578 SOIL CLASSIFICATION IS "A" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .4000 SUBAREA AREA(ACRES) = 1.70 SUBAREA RUNOFF(CFS) = 1.75 TOTAL AREA(ACRES) = 185.45 TOTAL RUNOFF(CFS) = 269.43 TC(M1N) = 22.76 ............................................................................ FLOW PROCESS FROM NODE 920.19 TO NODE 920.19 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< ............................................................................ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 22.76 RAINFALL INTENSITY (INCH./HOUR) = 2.58 TOTAL STREAM AREA (ACRES) = 185.45 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 269.43 -. TO PAGE -414- ........................................................................... FLOW PROCESS FROM NODE 920.15 TO NODE 920.16 IS CODE = 7 >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<<< USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(M1N) = 22.30 RAIN INTENSITY(INCH/HOUR) = 2.61 TOTAL AREA(ACRES) = 8.60 TOTAL RUNOFF(CFS) = 12.29 c = .55 L(FT) = 750 S = 2.7% TC = l.S(l.1 - C)(L) -1/2 ............................................................................ ............................................................................ ............................................................................ [S (100) 3 -1/3 ............................................................................ FLOW PROCESS FROM NODE 920.16 TO NODE 920.17 IS CODE = 6 >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< UPSTREAM ELEVATION = 175.00 DOWNSTREAM ELEVATION = 96.00 STREET LENGTH(FEET) = 1600.00 CURB HEIGTH(1NCHES) = 6. STREET HALFWIDTH(FEET) = 20.00 STREET CROSSFALL(DEC1MAL) = .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 18.49 STREET FLOWDEPTH(FEET) = .37 HALFSTREET FLOODWIDTH (FEET) = 12.2 0 AVERAGE FLOW VELOCITY(FEET/SEC.) = 5.76 PRODUCT OF DEPTH&VELOCITY = 2.13 ............................................................................ ............................................................................ ------____-----_________________________------------------------------------ - STREETFLOW TRAVELTIME(M1N) = 4.63 TC(M1N) = 26.93 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.312 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 9.80 SUBAREA RUNOFF(CFS) = 12.46 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .40 HALFSTREET FLOODWIDTH(FEET) = 13.93 FLOW VELOCITY(FEET/SEC.) = 6.01 DEPTH*VELOCITY = 2.43 -- SUMMED AREA(ACRES) = 18.40 TOTAL RUNOFF(CFS) = 24.75 ............................................................................ FLOW PROCESS FROM NODE 920.17 TO NODE 920.18 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< ............................................................................ >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 24.0 INCH PIPE IS 10.2 INCHES' PIPEFLOW VELOCITY(FEET/SEC.) = 19.5 UPSTREAM NODE ELEVATION = 96.00 DOWNSTREAM NODE ELEVATION = 52.40 FLOWLENGTH(FEET) = 570.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 24.75 TRAVEL TIME(M1N.) = .49 TC(M1N.) = 27.42 ------------ .............................................................................. ............................................................................ FLOW PROCESS FROM NODE 920.18 TO NODE 920.18 IS CODE = 8 ............................................................................ - >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.286 ........................................................................... SOIL CLASSIFICATION IS IID" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 6.30 SUBAREA RUNOFF(CFS) = 7.92 TOTAL AREA(ACRES) = 24.70 TOTAL RUNOFF(CFS) = 32.67 TC(M1N) = 27.42 ............................................................................ FLOW PROCESS FROM NODE 920.18 TO NODE 920.19 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 30.0 INCH PIPE IS 12.2 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 17.5 UPSTREAM NODE ELEVATION = 52.40 DOWNSTREAM NODE ELEVATION = 20.33 FLOWLENGTH(FEET) = 670.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 30.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 32.67 TRAVEL TIME(M1N.) = .64 TC(M1N.) = 28.05 ............................................................................ --_________________-____________________------------------------------------ -_______________________________________------------------------------------ >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.252 - SOIL CLASSIFICATION IS aD" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 5.10 SUBAREA RUNOFF (CFS) = 6.32 TOTAL AREA(ACRES) = 29.80 TOTAL RUNOFF(CFS) = 38.99 TC(M1N) = 28.05 ............................................................................ FLOW PROCT-S FROM NODE 920.19 TO NODE 920.19 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(M1NUTES) = 28.05 RAINFALL INTENSITY (INCH./HOUR) = 2.25 TOTAL STREAM AREA (ACRES) = 29.80 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 38.99 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN. ) (INCH/HOUR) ............................................................................ ............................................................................ ____----_------------------------------------------------------------------- ............................................................................ 1 269.43 22.76 2.578 2 38.99 28.05 2.252 r RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 303.50 274.41 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 303.50 TIME(M1NUTES) = 22.757 TOTAL AREA(ACRES) = 215.25 ............................................................................ FLOW PROCESS FROM NODE 920.19 TO NODE 920.20 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 60.0 INCH PIPE IS 35.1 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 25.4 UPSTREAM NODE ELEVATION = 20.33 DOWNSTREAM NODE ELEVATION = 13.05 FLOWLENGTH(FEET) = 250.00 MANNINGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 60.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 303.50 TRAVEL TIME (MIN. ) = .16 TC(M1N.) = 22.92 ............................................................................ ............................................................................ ............................................................................ ............................................................................ - FLOW PROCESS FROM NODE 920.20 TO NODE 920.20 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ -_________------------------------------------------------------------------ __________---------_____________________------------------------------------ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.566 - SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 2.70 SUBAREA RUNOFF(CFS) = 3.81 TOTAL AREA(ACRES) = 217.95 TOTAL RUNOFF(CFS) = 307.31 TC(M1N) = 22.92 LINE WDDM ............................................................................ FLOW PROCESS FROM NODE 890.01 TO NODE 890.02 IS CODE = 7 >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<<< ............................................................................ ............................................................................ USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(M1N) = 17.50 RAIN INTENSITY(INCH/HOUR) = 3.05 TOTAL AREA(ACRES) = 8.30 TOTAL RUNOFF(CFS) = 13.42 c = .55 LlFTl = 810 S = 9.25% .. Tc = 1.8f1.1 - C)fL)*1/2 [S (100) ] ^1/3 ............................................................... * FLOW PROCESS FROM NODE 890.02 TO NODE 890.03 IS CODE = 6 * * * ** ............................................................................ >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< UPSTREAM ELEVATION = 290.00 DOWNSTREAM ELEVATION = 205.00 STREET LENGTH(FEET) = 700.00 CURB HEIGTH(1NCHES) = 6. SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 -----_____--------______________________------------------------------------ ............................................................................ - STREET HALFWIDTH(FEET) = 20.00 STREET CROSSFALL(DEC1MAL) = .0200 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 26.33 STREET FLOWDEPTH(FEET) = .36 HALFSTREET FLOODWIDTH (FEET) = 11.62 AVERAGE FLOW VELOCITY(FEET/SEC.) = 8.97 PRODUCT OF DEPTH&VELOCITY = 3.22 STREETFLOW TRAVELTIME(M1N) = 1.30 TC(M1N) = 18.80 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.915 ~ ~~ SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 16.16 SUBAREA RUNOFF(CFS) = 25.91 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH (FEET) = .40 HALFSTREET FLOODWIDTH (FEET) = 13.93 FLOW VELOCITY(FEET/SEC.) = 9.55 DEPTH*VELOCITY = 3.87 SUMMED AREA(ACRES) = 24.46 TOTAL RUNOFF(CFS) = 39.33 ............................................................................ FLOW PROCESS FROM NODE 890.03 TO NODE 890.04 IS CODE = 3 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< ............................................................................ ............................................................................ -_______________________________________------------------------------------ - DEPTH OF FLOW IN 21.0 INCH PIPE IS 16.9 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 18.9 UPSTREAM NODE ELEVATION = 205.00 DOWNSTREAM NODE ELEVATION = 140.00 FLOWLENGTH(FEET) = 1140.00 MANNINGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 21.00 NUMBER OF PIPES = 1 TRAVEL TIME(M1N.) = 1.00 TC(M1N.) = 19.80 PIPEFLOW THRU SUBAREA(CFS) = 39.33 ............................................................................ FLOW PROCESS FROM NODE 890.04 TO NODE 890.04 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ~ ~~~~~~~- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.819 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 29.00 SUBAREA RUNOFF(CFS) = 44.97 TOTAL AREA(ACRES) = 53.46 TOTAL RUNOFF(CFS) = 84.30 TC(M1N) = 19.80 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IN 30.0 INCH PIPE IS 22.3 INCHES PIPEFLOW VELQCITY(FEET/SEC.) = 21.5 DOWNSTREAM NODE ELEVATION = 90.00 FLOWLENGTH(FEET) = 1080.00 MA"1NGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 30.00 NUMBER OF PIPES = PIPEFLOW THRU SUBAREA(CFS) = 84.30 TRAVEL TIME(M1N.) = .84 TC(M1N.) = 20.64 .- UPSTREAM NODE ELEVATION = 140.00 .............................................................. FLOW PROCESS FROM NODE 890.05 TO NODE 890.05 IS CODE = 1 *** 8 * * * *** ............................................................................ FLOW PROCESS FROM NODE 890.05 TO NODE 890.06 IS CODE = 3 1IDDll ............................................................................ >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< - >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IN 33.0 INCH PIPE IS 24.8 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 24.5 UPSTREAM NODE ELEVATION = 90.00 DOWNSTREAM NODE ELEVATION = 40.00 FLOWLENGTH(FEET) = 950.00 MA"1NGS N = .012 PIPEFLOW THRU SUBAREA(CFS) = 117.19 TRAVEL TIME(M1N.) = .65 TC(M1N.) = 21.29 - ESTIMATED PIPE DIAMETER(1NCH) = 33.00 NUMBER OF PIPES = 1 ............................................................................ FLOW PROCESS FROM NODE 890.06 TO NODE 890.06 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ____________________------------__------------------------------------------ ____________________---------__---------------_---------_----------__------- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.691 SOIL CLASSIFICATION IS "A" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .4000 SUBAREA AREA(ACRES) = 18.60 SUBAREA RUNOFF(CFS) = 20.02 TOTAL AREA(ACRES) = 97.02 TOTAL RUNOFF(CFS) = 137.21 TC(M1N) = 21.29 ............................................................................ FLOW PROCESS FROM NODE 890.06 TO NODE 890.07 IS CODE = 3 lIDDl1 ............................................................................ >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IN 39.0 INCH PIPE IS 27.2 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 22.2 UPSTREAM NODE ELEVATION = 40.00 DOWNSTREAM NODE ELEVATION = 8.00 ESTIMATED PIPE DIAMETER(1NCH) = 39.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 137.21 TRAVEL TIME(M1N.) = .68 TC(M1N.) = 21.97 ----_______________-____________________------------------------------------ ----_______________-----------------------------------_--------------------- - FLOWLENGTH(FEET) = 900.00 MA"1NGS N = .012 ............................................................................ FLOW PROCESS FROM NODE 890.07 TO NODE 890.07 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ---___--___________-____________________------------------------------------ ---________________-____________________---------------------__------------- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.637 SOIL CLASSIFICATION IS "A" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .4000 SUBAREA AREA(ACRES) = 5.80 SUBAREA RUNOFF(CFS) = 6.12 TOTAL AREA(ACRES) = 102.82 TOTAL RUNOFF(CFS) = 143.32 TC(M1N) = 21.97 &INE "DF" ............................................................................ FLOW PROCESS FROM NODE 910.01 TO NODE 910.02 IS CODE = 7 >>>>>USER SPECIFIED HYDROLQGY INFORMATION AT NODE<<<<< ............................................................................ USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(M1N) = 18.00 RAIN INTENSITY(INCH/HOUR) = 3.00 TOTAL AREA(ACRES) = 10.90 TOTAL RUNOFF(CFS) = 17.98 c = .55 L (FT) = 850 s = 9.4% TC = 1.811.1 - C)IL) .. 1/2 [S (100) ] -1/3 ............................................................................ FLOW PROCESS FROM NODE 910.02 TO NODE 910.03 IS CODE = 6 >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< UPSTREAM ELEVATION = 245.00 DOWNSTREAM ELEVATION = 207.00 STREET LENGTH(FEET) = 750.00 CURB HEIGTH(1NCHES) = 6. STREET HALFWIDTH(FEET) = 20.00 STREET CROSSFALL(DEC1MAL) = .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 28.17 STREET FLOWDEPTH(FEET) = .42 HALFSTREET FLOODWIDTH (FEET) = 14.51 AVERAGE FLOW VELOCITY (FEET/SEC. ) = 6.34 PRODUCT OF DEPTH&VELOCITY = 2.64 ............................................................................ - ............................................................................ STREETFLOW TRAVELTIME(M1N) = 1.97 TC(M1N) = 19.97 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.804 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 13.20 SUBAREA RUNOFF(CFS) = 20.36 SUMMED AREA(ACRES) = 24.10 TOTAL RUNOFF(CFS) = 38.34 END OF SUBAREA STREETFLOW HYDRAULICS : DEPTH(FEET) = .45 HALFSTREET FLOODWIDTH(FEET) = 16.24 FLOW VELoCITY(FEET/SEC.) = 6.95 DEPTH*VELOCITY = 3.14 ............................................................................ ,- FLOW PROCESS FROM NODE 910.03 TO NODE 910.04 IS CODE = 3 .___________________------------------------------------------------------- >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IN 24.0 INCH PIPE IS 16.2 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 17.0 UPSTREAM NODE ELEVATION = 207.00 DOWNSTREAM NODE ELEVATION = 184.00 FLOWLENGTH(FEET) = 570.00 MA"1NGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFMW THRU SUBAREA(CFS) = 38.34 TRAVEL TIME (MIN. ) = .56 TC(M1N.) = 20.53 .......................................... ........................................................................... ............................................................................ FLOW PROCESS FROM NODE 910.04 TO NODE 910.04 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ _-----__----____________________________------------------------------------ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.754 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 22.20 SUBAREA RUNOFF(CFS) = 33.63 TOTAL AREA(ACRES) = 46.30 TOTAL RUNOFF(CFS) = 71.97 TC(M1N) = 20.53 - ............................................................................ FLOW PROCESS FROM NODE 910.04 TO NODE 910.05 IS CODE = 3 IIDFII ............................................................................ - >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IN 30.0 INCH PIPE IS 23.1 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 17.8 UPSTREAM NODE ELEVATION = 184.00 DOWNSTREAM NODE ELEVATION = 163.00 FLOWLENGTH(FEET) = 670.00 MA"1NGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 30.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 71.97 TRAVEL TIME(M1N.) = .63 TC(M1N.) = 21.16 ----------- ............................................................................ SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 24.40 SUBAREA RUNOFF(CFS) = 36.25 TOTAL AREA(ACRES) = 70.70 TOTAL RUNOFF(CFS) = 108.22 TC(M1N) = 21.16 .- ........................................................................... FLOW PROCESS FROM NODE 910.05 TO NODE 910.06 IS CODE = 3 IIDFVI ............................................................................ >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IN 36.0 INCH PIPE IS 24.8 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 20.8 UPSTREAM NODE ELEVATION = 163.00 DOWNSTREAM NODE ELEVATION = 127.00 FLOWLENGTH(FEET) = 1030.00 MA"1NGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 36.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 108.22 TRAVEL TIME(M1N.) = .83 TC(M1N.) = 21.99 ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 910.06 TO NODE 910.06 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.635 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 48.20 SUBAREA RUNOFF(CFS) = 69.87 TC(M1N) = 21.99 - TOTAL AREA(ACRES) = 118.90 TOTAL RUNOFF(CFS) = 178.08 ............................................................................ FLOW PROCESS FROM NODE 910.06 TO NODE 910.07 IS CODE = 3 IIDFII ............................................................................. >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IN 42.0 INCH PIPE IS 33.6 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 21.6 UPSTREAM NODE ELEVATION = 127.00 DOWNSTREAM NODE ELEVATION = 97.00 FLOWLENGTH(FEET) = 1020.00 MA"1NGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 42.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 178.08 TRAVEL TIME(M1N.) = .79 TC(M1N.) = 22.77 ------L--------- ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 910.07 TO NODE 910.07 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< -----_--------------_______^____________------------------------------------ ............................................................................ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.576 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 46.19 SUBAREA RUNOFF(CFS) = 65.45 TOTAL AREA(ACRES) = 165.09 TOTAL RUNOFF(CFS) = 243.53 TC(M1N) = 22.77 - ............................................................................ FLOW PROCESS FROM NODE 910.07 TO NODE 910.08 IS CODE = 3 IIDFll ............................................................................ >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IN 48.0 INCH PIPE IS 36.1 INCHES PIPEFLOW VELOCITY (FEET/SEC. ) = 24.0 UPSTREAM NODE ELEVATION = 97.00 DOWNSTREAM NODE ELEVATION = 65.00 FLOWLENGTH(FEET) = 1040.00 MA"1NGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 48.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 243.53 TRAVEL TIME(M1N.) = .72 TC(M1N.) = 23.50 ............................................................................ ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 910.08 TO NODE 910.08 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.525 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 TOTAL AREA(ACRES) = 201.89 TOTAL RUNOFF(CFS) = 294.64 TC(M1N) = 23.50 - SUBAREA AREA(ACRES) = 36.80 SUBAREA RUNOFF(CFS) = 51.10 ............................................................................ FLOW PROCESS FROM NODE 910.08 TO NODE 910.09 IS CODE = 3 11DFll ............................................................................. >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IN 51.0 INCH PIPE IS 39.0 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 25.3 UPSTREAM NODE ELEVATION = 65.00 DOWNSTREAM NODE ELEVATION = 42.00 FLOWLENGTH(FEET) = 730.00 MA"1NGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 51.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 294.64 TRAVEL TIME(M1N.) = .48 TC(M1N.) = 23.98 -____________-__----____________________--------------------------_-__------ ___________________-____________________-----__----------------------------- ............................................................................ FLOW PROCESS FROM NODE 910.09 TO NODE 910.09 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ________________-__-____________________----------------------_------------_ ________________________________________---------------_-------------------- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.492 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 38.98 SUBAREA RUNOFF(CFS) = 53.43 TOTAL AREA(ACRES) = 240.8.7 TOTAL RUNOFF(CFS) = 348.07 TC(M1N) = 23.98 F ............................................................................ FLOW PROCESS FROM NODE 910.09 TO NODE 910.10 IS CODE = 3 lIDFl1 ............................................................................ >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IN 57.0 INCH PIPE IS 43.2 INCHES PIPEFLOW VELoCITY(FEET/SEC.) = 24.2 UPSTREAM NODE ELEVATION = 42.00 DOWNSTREAM NODE ELEVATION = 13.00 FLOWLENGTH(FEET) = 1170.00 MA"1NGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 57.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 348.07 TRAVEL TIME(M1N.) = .81 TC(M1N.) = 24.78 ............................................................................ --_____________-__-_____________________--------------------------___------- ............................................................................ FLOW PROCESS FROM NODE 910.10 TO NODE 910.10 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ -__________________-____________________---------_-----__------------------- ___________________-____________________----_-_-__----___------------------_ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.440 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 24.10 SUBAREA RUNOFF(CFS) = 32.34 TOTAL AREA(ACRES) = 264.97 TOTAL RUNOFF(CFS) = 380.40 TC(M1N) = 24.78 TC = 1.8(1.1 - C)(L)-1/2 [S(lOO) ]^1/3 ............................................................................ FLOW PROCESS FROM NODE 880.02 TO NODE 880.03 IS CODE = 6 >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< ............................................................................ ............................................................................ ...................... UPSTREAM ELEVATION = 322.00 DOWNSTREAM ELEVATION = 279.00 STREET LENGTH(FEET) = 550.00 CURB HEIGTH(1NCHES) = 6. STREET HALFWIDTH(FEET) = 20.00 STREET CROSSFALL(DEC1MAL) = .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FMWICFS) = 22.65 STREET FLOWDEPTH(FEET) = .37 HALFSTREET FLOODWIDTH(FEET) = 12.20 AVERAGE FLOW VEMCITY(FEET/SEC.) = 7.06 PRODUCT OF DEPTH&VEMCITY = 2.61 - STREETFMW TRAVELTIME(M1N) = 1.30 TC(M1N) = 23 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.560 SOIL CLASSIFICATION IS "D" 00 SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUMMED AREA(ACRES) = 20.50 TOTAL RUNOFF(CFS) = 27.37 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .39 HALFSTREET FLOODWIDTH(FEET) = 13.35 FLOW VELOCITY(FEET/SEC.) = 7.20 DEPTH*VELOCITY = 2.83 SUBAREA AREA(ACRES) = 6.70 SUBAREA RUNOFF(CFS) = 9.43 ............................................................................ FLOW PROCESS FROM NODE 880.03 TO NODE 800.04 IS CODE = 3 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IN 18.0 INCH PIPE IS 12.8 INCHES PIPEFMW VELOCITY(FEET/SEC.) = 20.3 UPSTREAM NODE ELEVATION = 279.00 DOWNSTREAM NODE ELEVATION = 196.00 FMWLENGTH(FEET) = 1000.00 MA"1NGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 PIPEFMW THRU SUBAREA(CFS) = 27.37 TRAVEL TIME(M1N.) = .82 TC(M1N.) = 23.82 ............................................................................ ............................................................................ ............................................................................ .- ............................................................................ FLOW PROCESS FROM NODE 880.04 TO NODE 880.04 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ------------------------------------------------=--------------------------- - 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.503 SOIL CLASSIFICATION IS eD" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 45.30 SUBAREA RUNOFF(CFS) = 62.36 TOTAL AREA(ACRES) = 65.80 TOTAL RUNOFF(CFS) = 89.73 TC(M1N) = 23.82 ............................................................................ FLOW PROCESS FROM NODE 880.04 TO NODE 880.05 IS CODE = 3 1lDCIl ............................................................................ >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IN 36.0 INCH PIPE IS 26.6 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 16.0 UPSTREAM NODE ELEVATION = 196.00 DOWNSTREAM NODE ELEVATION = 179.00 FLOWLENGTH(FEET) = 840.00 MA"1NGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 36.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 89.73 TRAVEL TIME (MIN . ) = .87 TC(M1N.) = 24.69 ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 880.05 TO NODE 880.05 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ---- .................................... ------==----_____---____________________---- ........................... 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.445 SOIL CLASSIFICATION IS "A" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .4000 SUBAREA AREA(ACRES) = 48.00 SUBAREA RUNOFF(CFS) = 46.95 TOTAL AREA(ACRES) = 113.80 TOTAL RUNOFF(CFS) = 136.68 TC(M1N) = 24.69 ............................................................................ FLOW PROCESS FROM NODE 880.05 TO NODE 880.06 IS CODE = 3 1lDCIl ............................................................................ >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IN 39.0 INCH PIPE IS 29.6 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 20.2 UPSTREAM NODE ELEVATION = 179.00 DOWNSTREAM NODE ELEVATION = 135.00 FLOWLENGTH(FEET) = 1530.00 MA"1NGS N = .012 ESTIMATED PIPE DIAMETER( INCH) = 39.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 136.68 TRAVEL TIME(M1N.) = 1.26 TC(M1N.) = 25.95 ............................................................................ ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 880.06 TO NODE 880.06 IS CODE = 8 ............................................................................ - >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.368 SOIL CLASSIFICATION IS "A" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .4000 SUBAREA AREA(ACRES) = 38.71 SUBAREA RUNOFF(CFS) = 36.67 TOTAL AREA(ACRES) = 152.51 TOTAL RUNOFF(CFS) = 173.35 TC(M1N) = 25.95 .. Tc = 1.811.1 - C)fL)-1/2 [S (100) 3 -1/3 ............................................................................ FLOW PROCESS FROM NODE 880.08 TO NODE 880.09 IS CODE = 6 >>>>>COMPUTE STREETFMW TRAVELTIME THRU SUBAREA<<<<< ............................................................................ _--_____- ................................................................................ UPSTREAM ELEVATION = 332.00 DOWNSTREAM ELEVATION = 238.00 STREET LENGTH(FEET) = 670.00 CURB HEIGTH(1NCHES) = 6. STREET HALFWIDTH(FEET) = 20.00 STREET CROSSFALL(DEC1MAL) = .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 28.43 STREET FMWDEPTH(FEET) = .36 HALFSTREET FLOODWIDTH (FEET) = 11.62 AVERAGE FLOW VEMCITY(FEET/SEC.) = 9.68 PRODUCT OF DEPTH&VELOCITY = 3.47 STREETFLOW TRAVELTIME(M1N) = 1.15 TC(M1N) = 22.65 - 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.585 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACFtES) = 15.96 SUBAREA RUNOFF(CFS) = 22.69 SUMMED AREA(ACRES) = 29.46 TOTAL RUNOFF(CFS) = 39.79 END OF SUBAREA STREETFLOW HYDRAULICS: FLOW VELOCITY(FEET/SEC.) = 9.67 DEPTH*VELOCITY = 3.91 - DEPTH(FEET) = .40 HALFSTREET FLOODWIDTH(FEET) = 13.93 ............................................................................ FLOW PROCESS FROM NODE 880.09 TO NODE 880.06 IS CODE = 3 ............................................................................ >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IN 21.0 INCH PIPE IS 16.4 INCHES PIPEFLOW VELOCITY (FEET/SEC. ) = 19.8 UPSTREAM NODE ELEVATION = 238.00 DOWNSTREAM NODE ELEVATION = 135.00 FLOWLENGTH(FEET) = 1650.00 MA"1NGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 21.00 NUMBER OF PIPES = 1 TRAVEL TIME(M1N.) = 1.39 TC(M1N.) = 24.04 ............................................................................ ............................................................................ PIPEFLOW THRU SUBAREA(CFS) = 39.79 ............................................................................ FLOW PROCESS FROM NODE 880.06 TO NODE 880.06 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ ______-___-__--------------------------------------------------------------- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.488 - SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 48.04 SUBAREA RUNOFF(CFS) = 65.73 TOTAL AREA(ACRES) = 77.50 TOTAL RUNOFF(CFS) = 105.52 TC(M1N) = 24.04 ............................................................................ FLOW PROCESS FROM NODE 880.06 TO NODE 880.06 IS CODE = 1 ............................................................................ >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(M1NUTES) = 24.04 RAINFALL INTENSITY (INCH./HOUR) = 2.49 TOTAL STREAM AREA (ACRES) = 77.50 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 105.52 ............................................................................ CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER ( CFS 1 (MIN.) (INCH/HOUR) ............................................................................ 1 173.35 25.95 2.368 2 105.52 24.04 2.488 / RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 273.80 270.53 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 273.80 TIME(M1NUTES) = 25.953 TOTAL AREA(ACRES) = 230.01 - ............................................................................ FLOW PROCESS FROM NODE 880.06 TO NODE 880.10 IS CODE = 3 IIDCII ............................................................................ >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IN 54.0 INCH PIPE IS 38.8 INCHES PIPEFLOW VELOCITY (FEET/SEC. ) = 22.4 UPSTREAM NODE ELEVATION = 135.00 DOWNSTREAM NODE ELEVATION = 113.00 FLOWLENGTH(FEET) = 950.00 MANNINGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 54.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 273.80 TRAVEL TIME (MIN. ) = .71 TC(M1N.) = 26.66 ............................................................................ ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 880.10 TO NODE 880.10 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ ............................................................................ 100 YEAR RAINFALL INTENSLTY(INCH/HOUR) = 2.327 - SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .4000 SOIL CLASSIFICATION IS "A" SUBAREA AREA(ACRES) = 30.60 SUBAREA RUNOFF(CFS) = 28.49 TOTAL AREA(ACRES) = 260.61 TOTAL RUNOFF(CFS) = 302.28 TC(M1N) = 26.66 ............................................................................ FLOW PROCESS FROM NODE 880.10 TO NODE 880.11 IS CODE = 4 IIDCII ............................................................................ >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 54.0 INCH PIPE IS 35.2 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 27.6 UPSTREAM NODE ELEVATION = 113.00 DOWNSTREAM NODE ELEVATION = 85.00 FLOWLENGTH(FEET) = 760.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 54.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 302.28 TRAVEL TIME(M1N.) = .46 TC(M1N.) = 27.12 * PROPOSED 54" ............................................................................ ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 880.11 TO NODE 880.11 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ -------------___________________________------------------------------------ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.302 *USER SPECIFIED(SUBAREA): COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .6400 SUBAREA AREA(ACRES) = 34.00 SUBAREA RUNOFF(CFS) = 50.09 TOTAL AREA(ACRES) = 294.61 TOTAL RUNOFF(CFS) = 352.37 - TC(M1N) = 27.12 ............................................................................ FLOW PROCESS FROM NODE 880.11 TO NODE 880.12 IS CODE = 3 IIDCll ............................................................................ >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IN 60.0 INCH PIPE IS 43.8 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 23.0 UPSTREAM NODE ELEVATION = 85.00 DOWNSTREAM NODE ELEVATION = 66.00 FLOWLENGTH(FEET) = 900.00 MA"1NGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 60.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 352.37 TRAVEL TIME (MIN. ) = .65 TC(M1N.) = 27.77 ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 880.12 TO NODE 880.12 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.267 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .7000 SUBAREA AREA(ACRES) = 33.10 SUBAREA RUNOFF(CFS) = 52.52 TOTAL AREA(ACRES) = 327.71 TOTAL RUNOFF(CFS) = 404.89 TC(M1N) = 27.77 -. ............................................................................ FLOW PROCESS FROM NODE 880.12 TO NODE 880.13 IS CODE = 3 lIDCl1 ............................................................................ >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IN 60.0 INCH PIPE IS 45.4 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 25.4 UPSTREAM NODE ELEVATION = 66.00 DOWNSTREAM NODE ELEVATION = 43.00 FLOWLENGTH(FEET) = 900.00 MA"1NGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 60.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 404.89 TRAVEL TIME (MIN. ) = .59 TC(M1N.) = 28.36 ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 880.13 TO NODE 880.13 IS CODE = 8 ............................................................................ - >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.236 ............................................................... SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .7000 SUBAREA AREA(ACRES) = 25.60 SUBAREA RUNOFF(CFS) = 40.07 TOTAL AREA(ACRES) = 353.31 TOTAL RUNOFF(CFS) = 444.96 TC(M1N) = 28.36 ............................................................................ FLOW PROCESS FROM NODE 880.13 TO NODE 880.14 IS CODE = 4 IIDCII ............................................................................ >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 60.0 INCH PIPE IS 41.6 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 30.6 UPSTREAM NODE ELEVATION = 43.00 DOWNSTREAM NODE ELEVATION = 20.00 FLOWLENGTH(FEET) = 600.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 60.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 444.96 TRAVEL TIME (MIN. ) = .33 TC(M1N.) = 28.69 * PROPOSED 60" RCP ________________________________________----------------------_------------- ________________________________________------------------------------------ ............................................................................ FLOW PROCESS FROM NODE 880.14 TO NODE 880.14 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ ............................................................................ -. 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.220 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .7000 SUBAREA AREA(ACRES) = 17.70 SUBAREA RUNOFF(CFS) = 27.50 TOTAL AREA(ACRES) = 371.01 TOTAL RUNOFF(CFS) = 472.46 TC(M1N) = 28.69 .. Tc = 1.8(1.1 - C)I L1^1/2 [S (100) 3 -1/3 **TRAVELTIME COMPUTED USING MEAN FLOW STREET FLOWDEF'TH(FEET) = .30 HALFSTREET FLOODWIDTH(FEET) = 8.73 AVERAGE FLOW VELOCITY(FEET/SEC.) = PRODUCT OF DEPTH&VELOCITY = 1.95 STREETFLOW TRAVELTIME(M1N) = 1.23 TC(M1N 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2 SOIL CLASSIFICATION IS "A" CFS) = 11.41 6.49 = 23.23 543 SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .4000 SUBAREA AREA (ACRES) = 6.20 SUBAREA RUNOFF(CFS) = 6.31 SUMMED AREA(ACRES) = 14.30 TOTAL RUNOFF(CFS) = 14.57 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH (FEET) = .32 HALFSTREET FMODWIDTH (FEET) = 9.88 FLOW VELOCITY(FEET/SEC.) = 6.65 DEF'TH*VELOCITY = 2.15 ............................................................................ FLOW PROCESS FROM NODE 870.03 TO NODE 870.04 IS CODE = 3 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< ESTIMATED PIPE DIAMETER(1NCH) INCREASED TO 18.000 DEPTH OF FLOW IN 18.0 INCH PIPE IS 9.6 INCHES PIPEFLOW VEMCITY (FEET/SEC. ) = 15.2 UPSTREAM NODE ELEVATION = 109.00 DOWNSTREAM NODE ELEVATION = 67.00 ESTIMATED PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 14.57 TRAVEL TIME(M1N.) = .02 TC(M1N.) = 24.05 ............................................................................ ............................................................................ ............................................................................ - FLOWLENGTH(FEET) = 750.00 MA"1NGS N = .012 ............................................................................ FLOW PROCESS FROM NODE 870.04 TO NODE 870.04 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.487 SOIL CLASSIFICATION IS "A" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .4000 SUBAREA AREA(ACRES) = 9.20 SUBAREA RUNOFF(CFS) = 9.15 TOTAL AREA(ACRES) = 23.50 TOTAL RUNOFF(CFS) = 23.72 TC(M1N) = 24.05 ............................................................................ FLOW PROCESS FROM NODE 870.04 TO NODE 070.05 IS CODE = 3 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IN 18.0 INCH PIPE IS 13.7 INCHES - PIPEFLOW'VELOCITY(FEET/SEC.) = 16.4 UPSTREAM NODE ELEVATION = 67.00 DOWNSTREAM NODE ELEVATION = 18.00 -------_________________________________------------------------------------ -------------___________________________------------------------------------ ............................................................................ FLOWLENGTH(FEET) = 920.00 MA"1NGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 TRAVEL TIME(M1N.) = .93 TC(M1N.) = 24.99 - PIPEFLOW THRU SUBAREA(CFS) = 23.72 ............................................................................ FLOW PROCESS FROM NODE 870.05 TO NODE 870.05 IS CODE = 8 ............................................................................ >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< -______---_______--________L____________------------------------------------ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.427 SOIL CLASSIFICATION IS "A" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .4000 SUBAREA AREA(ACRES) = 16.40 SUBAREA RUNOFF(CFS) = 15.92 TOTAL AREA(ACRES) = 39.90 TOTAL RUNOFF(CFS) = 39.64 TC(M1N) = 24.99 ............................................................................ FLOW PROCESS FROM NODE 870.11 TO NODE 870.12 IS CODE = 7 ............................................................................ >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<<< USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(M1N) = 23.00 RAIN INTENSITY(INCH/HOUR) = 2.56 TOTAL AREA (ACRES) = 12.00 TOTAL RUNOFF(CFS) = 16.17 c = .55 L(FT) = 660 S = 3.6% ............................................................................ ............................................................................ - Tc = l.g(l.1 - CI(L)^1/2 [S (100) 3 -1/3 ............................................................................ FLOW PROCESS FROM NODE 870.12 TO NODE 870.13 IS CODE = 6 >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< ............................................................................ UPSTREAM ELEVATION = 203.00 DOWNSTREAM ELEVATION = 125.00 STREET LENGTH(FEET) = 880.00 CURB HEIGTH(1NCHES) = 6. STREET HALFWIDTH(FEET) = 20.00 STREET CROSSFALL(DEC1MAL) = .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 23.31 STREET FLOWDEPTH(FEET) = .37 HALFSTREET FLOODWIDTH (FEET) = 12.20 AVERAGE FLOW VELOCITY(FEET/SEC.) = 7.26 PRODUCT OF DEPTH&VELOCITY = 2.69 STREETFLOW TRAVELTIME(M1N) = 2.02 TC(M1N) = 25.02 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.425 SOIL CLASSIFICATION IS "A" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .4000 SUBAREA AREA(ACRES) = 14.70 SUBAREA RUNOFF(CFS) = 14.26 SUMMED AREA(ACRES) = 26.70 TOTAL RUNOFF(CFS) = 30.43 END OF SUBAREA STREETFLOW HYDRAULICS: FLOW VELOCITY(FEET/SEC.) = 8.00 DEPTH*VELOCITY = 3.15 - DEPTH(FEET) = .39 HALFSTREET FLOODWIDTH(FEET) = 13.35 ............................................................................ FLOW PROCESS FROM NODE 870.13 TO NODE 870.14 IS CODE = 3 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< ............................................................................ >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IN 21.0 INCH PIPE IS 12.6 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 20.2 UPSTREAM NODE ELEVATION = 125.00 DOWNSTREAM NODE ELEVATION = 48.00. FLOWLENGTH(FEET) = 1050.00 MA”1NGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 21.00 NUMBER OF PIPES = 1 PIPEFMW THRU SUBAREA(CFS) = 30.43 TRAVEL TIME(M1N.) = .87 TC(M1N.) = 25.89 ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 870.14 TO NODE 870.14 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ________________________________________------------------------------------ ________-___________-------------------------------------------------------- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.372 SOIL CLASSIFICATION IS “D“ SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 25.27 SUBAREA RUNOFF(CFS) = 32.97 TOTAL AREA(ACRES) = 51.97 TOTAL RUNOFF(CFS) = 63.39 TC(M1N) = 25.89 ............................................................................. FLOW PROCESS FROM NODE 870.14 TO NODE 870.15 IS CODE = 3 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IN 27.0 INCH PIPE IS 21.2 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 18.9 UPSTREAM NODE ELEVATION = 48.00 DOWNSTREAM NODE ELEVATION = 15.00 FLOWLENGTH(FEET) = 810.00 WNINGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 27.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 63.39 TRAVEL TIME (MIN. ) = .71 TC(M1N.) = 26.60 ............................................................................ ............................................................................ ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 870.15 TO NODE 870.15 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.331 SOIL CLASSIFICATION IS “A” SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .4000 SUBAREA AREA(ACRES) = 21.30 SUBAREA RUNOFF(CFS) = 19.86 TC(M1N) = 26.60 -- TOTAL AREA(ACRES) = 73.27 TOTAL RUNOFF(CFS) = 83.25 ............................................................................ FLOW PROCESS FROM NODE 921.01 TO NODE 921.02 XS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 ............................................................................ ............................................................................ INITIAL SUBAREA FLOW-LENGTH(FEET) = 600.00 UPSTREAM ELEVATION = 158.00 DOWNSTREAM ELEVATION = 140.00 ELEVATION DIFFERENCE = 18.00 URBAN SUBAREA OVERLAND TIME OF FLOW(M1NUTES) = 20.059 *CAUTION: SUBAREA SLOPE EXCEEDS COUNTY NOMOGRAPH *CAUTION: SUBAREA FLOWLENGTH EXCEEDS COUNTY DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED. NOMOGRAPH DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED. 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.796 SUBAREA RUNOFF(CFS) = 2.31 TOTAL AREA(ACRES) = 1.50 TOTAL RUNOFF(CFS) = 2.31 ............................................................................ FLOW PROCESS FROM NODE 921.02 TO NODE 921.03 IS CODE = 6 >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< UPSTREAM ELEVATION = 140.00 DOWNSTREAM ELEVATION = 113.00 STREET HALFWIDTH(FEET) = 20.00 STREET CROSSFALL(DEC1MAL) = .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 ............................................................................ ............................................................................ ............................................................................ . STREET LENGTH(FEET) = 1150.00 CURB HEIGTH(1NCHES) = 6. **TRAVELTIME COMPUTED USING MEAN FLoW(CFS) = 4.79 STREET FLOWDEPTH(FEET) = .29 HALFSTREET FLOODWIDTH(FEET) = 8.15 AVERAGE FLOW VELOCITY (FEET/SEC. ) = 3.06 PRODUCT OF DEPTH&VELOCITY = .89 STREETFLOW TRAVELTIME(M1N) = 6.26 TC(M1N) = 26.32 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.347 SOIL CLASSIFICATION IS 'ID" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 3.86 SUBAREA RUNOFF(CFS) = 4.98 SUMMED AREA(ACRES) = 5.36 TOTAL RUNOFF(CFS) = 7.29 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .32 HALFSTREET FLOODWIDTH(FEET) = 9.88 FLOW VELOCITY(FEET/SEC.) = 3.33 DEPTH*VELOCITY = 1.08 ............................................................................ FLOW PROCESS FROM NODE 921.03 TO NODE 921.04 IS CODE = 6 >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< UPSTREAM ELEVATION = 113.00 DOWNSTREAM ELEVATION = 57.00 STREET LENGTH(FEET) = 1830.00 CURB HEIGTH(1NCHES) = 6. STREET HALFWIDTH(FEET) = 20.00 STREET CROSSFALL(DEC1MAL) = .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 ............................................................................ ............................................................................ ............................................................................ **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 13.37 STREET FLOWDEPTH(FEET) = .37 HALFSTREET FLOODWIDTH (FEET) = 12.20 AVERAGE FLOW VELQCITY(FEET/SEC.) = 4.16 PRODUCT OF DEPTH&VELOCITY = 1.54 STREETFLOW TRAVELTIME(M1N) = 7.32 TC(M1N) = 33.64 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.003 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 10.90 SUBAREA RUNOFF(CFS) = 12.01 SUMMED AREA(ACRES) = 16.26 TOTAL RUNOFF(CFS) = 19.30 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .40 HALFSTREET FLOODWIDTH(FEET) = 13.93 FLOW VELOCITY(FEET/SEC.) = 4.69 DEPTH*VELOCITY = 1.90 ............................................................................ FLOW PROCESS FROM NODE 921.04 TO NODE 921.05 IS CODE = 6 >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< UPSTREAM ELEVATION = 57.00 DOWNSTREAM ELEVATION = 18.00 STREET LENGTH(FEET) = 1050.00 CURB HEIGTH(1NCHES) = 6. STREET HALFWIDTH(FEET) = 20.00 STREET CROSSFALL(DEC1MAL) = .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 24.38 STREET FLOWDEPTH(FEET) = .42 HALFSTREET FLOODWIDTH(FEET) = 14.51 AVERAGE FLOW VELOCITY(FEET/SEC.) = 5.48 PRODUCT OF DEPTH&VELOCITY = 2.28 ............................................................................ ---------_----__________________________-----------_------------------------ ---_____________________________________------------------------------------ STREETFLOW TRAVELTIME(M1N) = 3.19 TC(M1N) = 36.83 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 1.889 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 9.80 SUBAREA RUNOFF(CFS) = 10.18 SUMMED AREA(ACRES) = 26.06 TOTAL RUNOFF(CFS) = 29.48 END OF SUBAREA STREETFLOW HYDRAULICS : DEPTH(FEET) = .44 HALFSTREET FLOODWIDTH(FEET) = 15.66 FLOW VELOCITY(FEET/SEC.) = 5.73 DEPTH*VELOCITY = 2.52 ............................................................................ FLOW PROCESS FROM NODE 921.05 TO NODE 921.10 IS CODE = 3 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IN 24.0 INCH PIPE IS 18.3 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 11.5 UPSTREAM NODE ELEVATION = 18.00 DOWNSTREAM NODE ELEVATION = 15.00 ESTIMATED PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 29.48 TRAVEL TIME (MIN. ) = .25 TC(M1N.) = 37.08 ............................................................................ -_______________________________________------------___-__-_---------------- ------_______-------____________________-----_------------------------------ - FLOWLENGTH(FEET) = 170.00 MA"1NGS N = .012 ............................................................................ - FLOW PROCESS FROM NODE 921.06 TO NODE 921.07 IS CODE = 2 ........................................................................... >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 ............................................................................ ............................................................................ INITIAL SUBAREA FLOW-LENGTH(FEET) = 620.00 UPSTREAM ELEVATION = 114.00 DOWNSTREAM ELEVATION = 100.00 ELEVATION DIFFERENCE = 14.00 URBAN SUBAREA OVERLAND TIME OF FLOW(M1NUTES) = 20.925 *CAUTION: SUBAREA FLOWLENGTH EXCEEDS COUNTY NOMOGRAPH DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED. 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.721 SUBAREA RUNOFF(CFS) = 4.94 TOTAL AREA(ACRES) = 3.30 TOTAL RUNOFF(CFS) = 4.94 ............................................................................ FLOW PROCESS FROM NODE 921.07 TO NODE 921.08 IS CODE = 6 >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< UPSTREAM ELEVATION = 100.00 DOWNSTREAM ELEVATION = 52.00 STREET LENGTH(FEET) = 1260.00 CURB HEIGTH(1NCHES) = 6. SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 ............................................................................ ............................................................................ ............................................................................ - STREET HALFWIDTH(FEET) = 20.00 STREET CROSSFALL(DEC1MAL) = .0200 **TRAVELTIME COMPUTED USING MEAN FLoW(CFS) = 11.04 STREET FLOWDEPTH(FEET) = .34 HALFSTREET FLOODWIDTH(FEET) = 10.46 PRODUCT OF DEPTH&VELOCITY = 1.53 AVERAGE FLOW VELoCITY(FEET/SEC.) = 4.55 STREETFLOW TRAVELTIME(M1N) = 4.61 TC(M1N) = 25.54 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.393 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 9.30 SUBAREA RUNOFF(CFS) = 12.24 SUMMED AREA(ACRES) = 12.60 TOTAL RUNOFF(CFS) = 17.18 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .38 HALFSTREET FLOODWIDTH(FEET) = 12.77 FLOW VELQCITY(FEET/SEC.) = 4.91 DEPTH*VELOCITY = 1.87 ' STREET FLOWDEPTH(FEET) = .45 HALFSTREET FLOODWIDTH(FEET) = 16.24 AVERAGE FLOW VELOCITY (FEET/SEC. ) = 4.58 PRODUCT OF DEPTH&VEMCITY = 2.06 - STREETFLDW TRAVELTIME(M1N) = 5.90 TC(M1N) = 31.44 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.093 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 14.00 SUBAREA RUNOFF(CFS) = 16.11 SUMMED kREA(ACRES) = 26.60 TOTAL RUNOFF(CFS) = 33.29 END OF SUBAREA STREETFMW HYDRAULICS: DEPTH (FEET) = .49 HALFSTREET FLOODWIDTH (FEET) = 17.98 FLOW VEIX)CITY(FEET/SEC.) = 4.97 DEPTH*VELOCITY = 2.41 END OF RATIONAL METHOD ANALYSIS __________--____________________________------------------------------------ __________------------------------------------------------------------------ .- ............................................................................ RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE Reference: SAN DIEGO COUNTY FLOOD CONTROL DISTRICT (c) Copyright 1982-88 Advanced Engineering Software (aes) Analysis prepared by: COOPER ENGINEERING ASSOCIATES 8369 VICKERS ST., STE. C SAN DIEGO, CA. 92111 1985,1981 HYDROLOGY MANUAL Ver. 4.1A Release Date: 1/09/89 Serial # 3454 (619) 277-0441 .......................... DESCRIPTION OF STUDY .......................... * CARLSBAD MASTER DRAINAGE PLAN * * SAN MARCOS CREEK BASIN (BASIN 'ID") - LINES "DI", "DJ", 'DL", 'DN', 'DO" * * D3.RES * .......................................................................... FILE NAME: D3.DAT TIME/DATE OF STUDY: 11:25 3/26/1990 ............................................................................ - USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: I_______________________________________------------------------------------ 1985 SAN DIEGO MANUAL CRITERIA USER SPECIFIED STORM EVENT(YEAR) = 100.00 6-HOUR DURATION PRECIPITATION (INCHES) = 2.800 SPECIFIED MINIMUM PIPE SIZE(1NCH) = 18.00 SPECIFIED PERCENT OF GRADIENTS(DEC1MAL) TO USE FOR FRICTION SLOPE = .95 SAN DIEGO HYDROLOGY MANUAL 'IC"-VALUES USED LINE "DL" ............................................................................ FLOW PROCESS FROM NODE 944.01 TO NODE 944.20 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< ............................................................................ *USER SPECIFIED(SUBAREA): SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5200 NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION WITH 10-MINUTES ADDED = 11.54(MINUTES) INITIAL SUBAREA FLOW-LENGTH(FEET) = 410.00 UPSTREAM ELEVATION = 470.00 DOWNSTREAM ELEVATION = 395.00 ELEVATION DIFFERENCE = 75.00 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.301 SUBAREA RUNOFF(CFS) = 18.34 TOTAL AREA (ACRES) = 8.20 TOTAL RUNOFF(CFS) = 18.34 ............................................................................ - FLOW PROCESS FROM NODE 944.20 TO NODE 944.02 IS CODE = 6 ........................................................................... >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< UPSTREAM ELEVATION = 395.00 WWNSTREAM ELEVATION = 342 .OO STREET LENGTH(FEET) = 510.00 CURB HEIGTH(1NCHES) = 6. STREET HALFWIDTH(FEET) = 20.00 STREET CROSSFALL(DEC1MAL) = .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2. SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5200 ________________________________________------------------------------------ ______-_________________________________------------------------------------ **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 31.58 STREET FLOWDEPTH(FEET) = .39 HALFSTREET FLOODWIDTH(FEET) = 13.35 AVERAGE FLOW VELOCITY(FEET/SEC.) = 8.31 PRODUCT OF DEPTH&VELOCITY = 3.27 STREETFLOW TRAVELTIME (MIN) = 1.02 TC(M1N) = 12.57 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.071 *USER SPECIFIED(SUBAREA): SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5200 SUBAREA AREA(ACRES) = 12.50 SUBAREA RUNOFF(CFS) = 26.46 SUMMED AREA(ACRES) = 20.70 TOTAL RUNOFF(CFS) = 44.80 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH (FEET) = .43 HALFSTREET FLOODWIDTH (FEET) = 15.09 FLOW VELOCITY(FEET/SEC.) = 9.36 DEPTH*VELOCITY = 4.00 i ............................................................................ FLOW PROCESS FROM NODE 944.02 TO NODE 944.03 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 342.00 DOWNSTREAM NODE ELEVATION = 298.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 550.00 CHANNEL BASE(FEET) = .OO llZ1r FACTOR = 16.000 MA"1NGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 44.80 TRAVEL TIME(M1N.) = 1.71 TC(M1N.) = 14.28 ............................................................................ ________________________________________------------------------------------ -__________________--------------------------------------------------------- FLOW VELOCITY(FEET/SEC) = 5.36 FLOW DEPTH(FEET) = .72 ............................................................................ FLOW PROCESS FROM NODE 944.03 TO NODE 944.03 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ________________________________________------------------------------------ ________________________________________------------------------------------ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.750 *USER SPECIFIED(SUBAREA) : SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5000 SUBAREA AREA(ACRES) = 33.50 SUBAREA RUNOFF(CFS) = 62.81 TC(M1N) = 14.28 ~ TOTAL AREA(ACRES) = 54.20 TOTAL RUNOFF(CFS) = 107.61 ............................................................................ FLOW PROCESS FROM NODE 944.03 TO NODE 944.04 IS CODE = 5 ............................................................................ -- >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 298.00 DOWNSTREAM NODE ELEVATION = 235.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1080.00 CHANNEL BASE(FEET) = .OO "Z" FACTOR = 26.000 MA"1NGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 107.61 FLOW VELOCITY(FEET/SEC) = 5.36 FLOW DEPTH(FEET) = .88 TRAVEL TIME(M1N.) = 3.36 TC(M1N.) = 17.64 ___________________--------------------------------------------------------- ____________________-------------------------------------------------------- ............................................................................ FLOW PROCESS FROM NODE 944.04 TO NODE 944.04 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ~~ ~~ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.272 *USER SPECIFIED(SUBAREA): SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .6000 SUBAREA AREA(ACRES) = 47.00 SUBAREA RUNOFF(CFS) = 92.27 TOTAL AREA(ACRES) = 101.20 TOTAL RUNOFF(CFS) = 199.88 TC(M1N) = 17.64 - ........................................................................... FLOW PROCESS FROM NODE 944.04 TO NODE 944.05 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 235.00 DOWNSTREAM NODE ELEVATION = 217.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 470.00 CHANNEL BASE(FEET) = .OO IIZ" FACTOR = 40.000 MA"1NGS FACTOR = -040 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 199.88 FLOW VELOCITY(FEET/SEC) = 4.66 FLOW DEF"l"(FEET) = 1.04 TRAVEL TIME(M1N.) = 1.68 TC(M1N.) = 19.32 ............................................................................ ----------______________________________--_____----------------------------- ----____________________________________---------------------__------------- ............................................................................ FLOW PROCESS FROM NODE 944.05 TO NODE 944.05 IS CODE = 8 ............................................................................ >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< -_______________________________________----------------__------------------ ________________________________________------------------------------------ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.085 *USER SPECIFIED (SUBAREA) : SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5800 SUBAREA AREA(ACRES) = 22.90 SUBAREA RUNOFF(CFS) = 40.98 TC(M1N) = 19.32 -- TOTAL AREA(ACRES) = 124.10 TOTAL RUNOFF(CFS) = 240.86 ............................................................................ FLOW PROCESS FROM NODE 944.05 TO NODE 944.05 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 19.32 RAINFALL INTENSITY (INCH. /HOUR) = 3.09 TOTAL STREAM AREA (ACRES) = 124.10 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 240.86 ,_________------------------------------------------------------------------- ____ --------- ----__ ............................................................. -----------------________ TO PAGE -800- ............................................................................ FLOW PROCESS FROM NODE 944.06 TO NODE 944.07 IS CODE = 7 >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<<< USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(M1N) = 18.00 RAIN INTENSITY(INCH/HOUR) = 3.23 TOTAL AREA(ACRES) = 11.10 TOTAL RUNOFF(CFS) - 18.32 C = .50 L/FT) = 840 S = 11.7% ............................................................................ ............................................................................ .. Tc = 1.811 .l - C) 1L) -1/2 [S (100) 3 -1/3 ............................................................................ FLOW PROCESS FROM NODE 944.07 TO NODE 944.08 IS CODE = 6 >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< UPSTREAM ELEVATION = 360.00 DOWNSTREAM ELEVATION = 286.00 STREET LENGTH(FEET) = 530.00 CURB HEIGTH(1NCHES) = 6. STREET HALFWIDTH(FEET) = 20.00 STREET CROSSFALL(DEC1MAL) = .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5000 ............................................................................ -_----__-------_--__------------------------------------------------------- ___--____-_-_--_-_______________________----------------------------------- **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 29.41 STREET FLOWDEPTH(FEET) = .37 HALFSTREET FLOODWIDTH(FEET) = 12.20 AVERAGE FLOW VELOCITY (FEET/SEC. ) = 9.16 PRODUCT OF DEPTH&VELOCITY = 3.39 STREETFLOW TRAVELTIME (MIN) = .96 TC(M1N) = 18.96 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.122 *USER SPECIFIED (SUBAREA) : SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5000 SUBAREA AREA(ACRES) = 14.20 SUBAREA RUNOFF(CFS) = 22.17 SUMMED AREA(ACRES) = 25.30 TOTAL RUNOFF(CFS) = 40.49 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .40 HALFSTREET FLOODWIDTH(FEET) = 13.93 FLOW VELOCITY(FEET/SEC.) = 9.83 DEPTH*VELOCITY = 3.98 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< ------- .............................................................................. UPSTREAM NODE ELEVATION = 286.00 DOWNSTREAM NODE ELEVATION = 217.00 CHANNEL BASE(FEET) = .OO "2" FACTOR = 16.000 MA"1NGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 40.49 TRAVEL TIME(M1N.) = 3.23 TC(M1N.) = 22.20 - CHANNEL LENGTH THRU SUBAREA(FEET) = 940.00 FLOW VELOCITY(FEET/SEC) = 4.85 FLOW DEPTH(FEET) = .72 ............................................................................ FLOW PROCESS FROM NODE 944.05 TO NODE 944.05 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< - >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< ............................................................................ ........................................................................... ........................................................................... CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(M1NUTES) = 22.20 RAINFALL INTENSITY (INCH./HOUR) = 2.82 TOTAL STREAM AREA (ACRES) = 34.30 TOTAL STREAM RLJNOFF(CFS) AT CONFLUENCE = 53.18 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN. ) (INCH/HOUR) ............................................................................ 1 240.86 19.32 3.085 2 53.18 22.20 2.821 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 289.48 273.38 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 289.48 TIME(M1NUTES) = 19.316 TOTAL AREA(ACRES) = 158.40 UPSTREAM NODE ELEVATION = 217.00 DOWNSTREAM NODE ELEVATION = 203.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 420.00 MA"1NGS FACTOR = .040 MAXIMUM DEF'TH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 289.48 FLOW VELOCITY(FEET/SEC) 4.78 FLOW DEPTH(FEET) = 1.23 TRAVEL TIME(M1N.) = 1.46 TC(M1N.) = 20.78 - CHANNEL BASE(FEET) = .OO "2" FACTOR = 40.000 ............................................................................ FLOW PROCESS FROM NODE 944.09 TO NODE 944.09 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ....................................................... ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.943 SOIL CLASSIFICATION IS 'ID" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 39.10 SUBAREA RUNOFF(CFS) = 63.30 TOTAL AREA(ACRES) = 197.50 TOTAL RUNOFF(CFS) = 352.78 TC(M1N) = 20.78 ............................................................................ FLOW PROCESS FROM NODE 944.09 TO NODE 944.10 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 203.00 DOWNSTREAM NODE ELEVATION = 190.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 470.00 CHANNEL BASE(FEET) = .OO IIZ" FACTOR = 30.000 MA"1NGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 352.78 FLOW VELOCITY (FEET/SEC) = 5.20 FLOW DEPTH( FEET) = 1.50 TRAVEL TIME(M1N.) = 1.51 TC(M1N.) = 22.29 ............................................................................ ............................................................................ ________________________________________------------------------------------ ............................................................................ FLOW PROCESS FROM NODE 944.10 TO NODE 944.10 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.813 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 30.50 SUBAREA RUNOFF(CFS) = 47.20 TOTAL AREA(ACRES) = 228.00 TOTAL RUNOFF(CFS) = 399.97 TC(M1N) = 22.29 ............................................................................ FLOW PROCESS FROM NODE 944.10 TO NODE 944.11 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< a/, / ............................................................................ FLOW PROCESS FROM NODE 944.11 TO NODE 944.11 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.633 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 19.20 SUBAREA RUNOFF(CFS) = 27.81 TOTAL AREA(ACRES) = 247.20 TOTAL RUNOFF(CFS) = 427.78 TC(M1N) = 24.70 ............................................................................ FLOW PROCESS FROM NODE 944.11 TO NODE 944.12 IS CODE = 3 1IDLln ............................................................................ >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< - >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IN 60.0 INCH PIPE IS 44.5 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 27.4 UPSTREAM NODE ELEVATION = 175.00 DOWNSTREAM NODE ELEVATION = 130.00 FLOWLENGTH(FEET) = 1510.00 MA"1NGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 60.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 427.78 TRAVEL TIME(M1N.) = .92 TC(M1N.) = 25.61 ............................................................................ FLOW PROCESS FROM NODE 944.12 TO NODE 944.12 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< --------------------____________________------------------------------------ ............................................................................ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.572 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 48.40 SUBAREA RUNOFF(CFS) = 60.46 TOTAL AREA(ACRES) = 295.60 TOTAL RUNOFF(CFS) = 496.24 TC(M1N) = 25.61 LINE "Do" ............................................................................ FLOW PROCESS FROM NODE 948.01 TO NODE 948.02 IS CODE = 7 >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<<< ........................................................................... c ffoz- ~ ~~~ HALFSTREET FLOODWIDTH~FEET) = 12 .20 AVERAGE FLOW VELOCITY(FEET/SEC.) = 7.15 PRODUCT OF DEFl"&VELOCITY = 2.65 STREETFLOW TRAVELTIME (MIN) = .84 TC(M1N) = 16.34 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.437 *USER SPECIFIED(SUBAREA): SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5300 SUBAREA AREA(ACRES) = 9.00 SUBAREA RUNOFF(CFS) = 16.40 SUMMED AREA(ACRES) = 17.20 TOTAL RUNOFF(CFS) = 31.16 END OF SUBAREA STREETFLOW HYDRAULICS: DEFTH(FEET) = .40 HALFSTREET FLOODWIDTH(FEET) = 13.93 FLOW VELOCITY(FEET/SEC.) = 7.57 DEPTH*VELOCITY = 3.06 ............................................................................ FLOW PROCESS FROM NODE 948.03 TO NODE 948.04 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 365.00 DOWNSTREAM NODE ELEVATION = 285.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 800.00 CHANNEL BASE(FEET) = .OO llZ1' FACTOR = 8.000 MA"1NGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 31.16 FLOW VELOCITY(FEET/SEC) = 6.07 FLOW DEPTH(FEET) = .80 TRAVEL TIME(M1N.) = 2.20 TC(M1N.) = 18.53 ............................................................................ ............................................................................ ............................................................................ *USER 'SPECIFIED(SUBAREA): SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5400 SUBAREA AREA(ACRES) = 19.40 SUBAREA RUNOFF(CFS) = 33.20 TC(M1N) = 18.53 .- TOTAL AREA(ACRES) = 36.60 TOTAL RUNOFF(CFS) = 64.35 ............................................................................ FLOW PROCESS FROM NODE 948.04 TO NODE 948.05 IS CODE = 3 "Wll >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IN 30.0 INCH PIPE IS 19.9 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 18.6 UPSTREAM NODE ELEVATION = 285.00 DOWNSTREAM NODE ELEVATION = 261.00 FLOWLENGTH(FEET) = 660.00 MA"1NGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 30.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 64.35 TRAVEL TIME(M1N.) = .59 TC(M1N.) = 19.13 ________________________________________------------------------------------ ............................................................................ ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 948.05 TO NODE 948.05 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ----_______________--------------------------------------------------------- -__________________----------------_---------------------------------------- - 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.105 *USER SPECIFIED(SUBAREA): SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5400 SUBAREA AREA(ACRES) = 19.50 SUBAREA RUNOFF(CFS) = 32.70 TOTAL AREA(ACRES) = 56.10 TOTAL RUNOFF(CFS) = 97.05 TC(M1N) = 19.13 ............................................................................ FLOW PROCESS FROM NODE 948.05 TO NODE 948.06 IS CODE = 3 "Wll >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IN 33.0 INCH PIPE IS 24.4 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 20.7 UPSTREAM NODE ELEVATION = 261.00 DOWNSTREAM NODE ELEVATION = 221.00 FLOWLENGTH(FEET) = 1060.00 MA"1NGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 33.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 97.05 TRAVEL TIME(M1N.) = .86 TC(M1N.) = 19.98 ............................................................................ -_______________________________________----_------------------------------- ____________________-------------_----------------------------_------------- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.019 *USER SPECIFIED (SUBAREA) : SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5400 TOTAL AREA(ACRES) = 87.10 TOTAL RUNOFF(CFS) = 147.58 TC(M1N) = 19.98 - SUBAREA AREA(ACRES) = 31.00 SUBAREA RUNOFF(CFS) = 50.53 ............................................................................ FLOW PROCESS FROM NODE 948.06 TO NODE 948.06 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< ............................................................................ ----__--__-_--_--_-_------------------------------------------_------------- ............................................................................ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 19.98 RAINFALL INTENSITY (INCH./HOUR) = 3.02 TOTAL STREAM AREA (ACRES) = 87.10 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 147.58 TO PAGE -806 - ............................................................................ FLOW PROCESS FROM NODE 949.01 TO NODE 949.01 IS CODE = 7 >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<<< USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(M1N) = 41.50 RAIN INTENSITY(INCH/HOUR) = 1.88 TOTAL AREA(ACRES) = 1009.00 TOTAL RUNOFF(CFS) = 957.00 ............................................................................ __-----_--_-_--____--------------------------------------------------------- __----__-__-_--_-__-____________________------------------------------------ - * PREVIOUSLY COMPUTED FLOW - VTN ENGINEERING, MARCH, 1980 "MASTER DRAINAGE PLAN" FOR THE CITY OF CARLSBAD. ............................................................................ FLOW PROCESS FROM NODE 949.01 TO NODE 948.06 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 265.00 DOWNSTREAM NODE ELEVATION = 221.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1450.00 CHANNEL BASE(FEET) = .OO "Z" FACTOR = 10.000 MA"1NGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 957.00 FLOW VELOCITY(FEET/SEC) = 9.00 FLOW DEPTH(FEET) = 3.26 TRAVEL TIME(M1N.) = 2.69 TC(M1N.) = 44.19 ............................................................................ ............................................................................ ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 948.06 TO NODE 948.06 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ---------------__-_--------------------------------------------------------- ----____________________________________------------------------------------ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 1.809 MOBILE HOME DEVELOPMENT RUNOFF COEFFICIENT = .5500 ~ SOIL CLASSIFICATION IS "C" SUBAREA AREA(ACRES) = 26.00 SUBAREA RUNOFF(CFS) = 25.87 TOTAL AREA(ACRES) = 1035.00 TOTAL RUNOFF(CFS) = 982.87 TC(M1N) = 44.19 - ........................................................................... FLOW PROCESS FROM NODE 948.06 TO NODE 948.06 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< ............................................................................ >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< ________________________________________------------------------------------ ____------------------------------------------------------------------------ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(M1NUTES) = 44.19 RAINFALL INTENSITY (INCH./HOUR) = 1.81 TOTAL STREAM AREA (ACRES) = 1035.00 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 982.87 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (MIN. ) (INCH/HOUR) 1 147.58 19.98 3.019 2 982.87 44.19 1.809 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 1071.33 TIME(M1NUTES) = 44.187 TOTAL AREA(ACRES) = 1122.10 736.68 1071.33 ............................................................................ FLOW PROCESS FROM NODE 948.06 TO NODE 948.10 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 221.00 DOWNSTREAM NODE ELEVATION = 210.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 420.00 CHANNEL BASE (FEET) = .OO "2" FACTOR = 20.000 MA"1NGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 1071.33 FLOW VELoCITY(FEET/SEC) = 7.27 FLOW DEPTH(FEET) = 2.71 TRAVEL TIME(M1N.) = .96 TC(M1N.) = 45.15 ............................................................................ ............................................................................ ________________________________________------------------------------------ ............................................................................ FLOW PROCESS FROM NODE 948.10 TO NODE 948.10 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ---------_______________________________------------------------------------ 100 YEAR RAINFALL INTENSITY (INCH/HOUR) = 1.784 *USER SPECIFIED (SUBAREA) : SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5400 SUBAREA AREA(ACRES) = 8.48 SUBAREA RUNOFF(CFS) = 8.17 TOTAL AREA(ACRES) = 1130.58 TOTAL RUNOFF(CFS) = 1079.50 TC(M1N) = 45.15 ............................................................................ FLOW PROCESS FROM NODE 948.10 TO NODE 948.10 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< ............................................................................ ________________________________________------------------------------------ ________________________________________------------------------------------ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 45.15 RAINFALL INTENSITY (INCH./HOUR) = 1.78 TOTAL STREAM AREA (ACRES) = 1130.58 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 1079.50 TO PAGE -%lo- ............................................................................ FLOW PROCESS FROM NODE 947.01 TO NODE 947.40 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION WITH 10-MINUTES ADDED = 12.38(MINUTES) INITIAL SUBAREA FLOW-LENGTH(FEET) = 700.00 UPSTREAM ELEVATION = 546.00 DOWNSTREAM ELEVATION = 425.00 ELEVATION DIFFERENCE = 121.00 ............................................................................ ________________________________________------------------------------------ ________________________________________------------------------------------ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.110 SUBAREA RUNOFF(CFS) = 21.48 - TOTAL AREA(ACRES) = 9.50 TOTAL RUNOFF(CFS) = 21.48 ............................................................................ FLOW PROCESS FROM NODE 947.40 TO NODE 947.02 IS CODE = 6 >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< UPSTREAM ELEVATION = 425.00 DOWNSTREAM ELEVATION = 350.00 STREET LENGTH(FEET) = 360.00 CURB HEIGTH(1NCHES) = 6. STREET HALFWIDTH(FEET) = 20.00 STREET CROSSFALL(DEC1MAL) = .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 27.51 STREET FLOWDEPTH(FEET) = .35 HALFSTREET FLOODWIDTH (FEET) = 11.04 AVERAGE FLOW VELOCITY (FEET/SEC. ) = 10.29 PRODUCT OF DEPTH&VELOCITY = 3.57 ............................................................................ --------------------____________________------------------------------------ ________________________________________------------------------------------ STREETFLOW TRAVELTIME (MIN) = .58 TC(M1N) = 12.96 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.990 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 5.50 SUBAREA RUNOFF(CFS) = 12.07 END OF SUBAREA STREETFLOW HYDRAULICS : DEPTH(FEET) = .36 HALFSTREET FLOODWIDTH(FEET) = 11.62 FMW VELOCITY(FEET/SEC.) = 11.43 DEPTH*VELOCITY = 4.10 SUMMED AREA(ACRES) = 15.00 TOTAL RUNOFF(CFS) = 33.55 ............................................................................ FLOW PROCESS FROM NODE 947.02 TO NODE 947.03 IS CODE = 3 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< ............................................................................ - >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< _----_ ........................................................................... DEPTH OF FLOW IN 21.0 INCH PIPE IS 12.6 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 22.2 UPSTREAM NODE ELEVATION = 350.00 DOWNSTREAM NODE ELEVATION = 302.00 FLOWLENGTH(FEET) = 540.00 MA"1NGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 21.00 NUMBER OF PIPES = 1 TRAVEL TIME(M1N.) = .40 TC(M1N.) = 13.37 PIPEFMW THRU SUBAREA(CFS) = 33.55 ............................................................................ FLOW PROCESS FROM NODE 947.03 TO NODE 947.03 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ -------------_---------_-------------------------------~==------------------ --______________________________________--------------- ------------------ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.912 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 15.50 SUBAREA RUNOFF(CFS) = 33.35 TOTAL AREA(ACRES) = 30.50 TOTAL RUNOFF(CFS) = 66.90 TC(M1N) = 13.37 ............................................................................ - FLOW PROCESS FROM NODE 947.03 TO NODE 947.04 IS CODE = 3 IIDNII ........................................................................... >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IN 30.0 INCH PIPE IS 19.8 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 19.5 UPSTREAM NODE ELEVATION = 302.00 DOWNSTREAM NODE ELEVATION = 270.00 FLOWLENGTH(FEET) = 800.00 MA"1NGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 30.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 66.90 TRAVEL TIME(M1N.) = .68 TC(M1N.) = 14.05 -----___-----___________________________------------------------------------ ---_____----____________________________------------------------------------ ............................................................................ FLOW PROCESS FROM NODE 947.04 TO NODE 947.04 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ -_______________________________________----------------------_------------- _----___--__________-------------------------------------------------------- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.788 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 43.00 SUBAREA RUNOFF(CFS) = 89.59 TOTAL AREA(ACRES) = 73.50 TOTAL RUNOFF(CFS) = 156.48 TC (MIN) = 14.05 ............................................................................ FLOW PROCESS FROM NODE 947.04 TO NODE 947.05 IS CODE = 3 IIDNII ............................................................................ - >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IN 36.0 INCH PIPE IS 27.1 INCHES PIPEFLQW VELQCITY(FEET/SEC.) = 27.5 UPSTREAM NODE ELEVATION = 270.00 DOWNSTREAM NODE ELEVATION = 257.00 FLOWLENGTH(FEET) = 220.00 MA"1NGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 36.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) - 156.48 TRAVEL TIME(M1N.) = .13 TC(M1N.) = 14.19 ____________________-------------------------------------------------------- ____________________-------------------------------------------------------- ............................................................................ FLOW PROCESS FROM NODE 947.05 TO NODE 947.05 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ____________L--------------------------------------------------------------- ------------ .............................................................................. 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.765 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 28.52 SUBAREA RUNOFF(CFS) = 59.06 TOTAL AREA(ACRES) = 102.02 TOTAL RUNOFF(CFS) = 215.54 TC(M1N) = 14.19 ............................................................................ FLOW PROCESS FROM NODE 947.05 TO NODE 947.10 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< ............................................................................ ~~~~~~~ ~~~~ UPSTREAM NODE ELEVATION = 257.00 DOWNSTREAM NODE ELEVATION = 210.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 940.00 CHANNEL BASE(FEET) = .OO llZ" FACTOR = 13.000 MA"1NGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 215.54 FLOW VELOCITY (FEET/SEC) = 6.96 FLOW DEPTH( FEET) = 1.54 TRAVEL TIME(M1N.) = 2.25 TC(M1N.) = 16.44 ............................................................................ FLOW PROCESS FROM NODE 948.10 TO NODE 948.10 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.424 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 24.96 SUBAREA RUNOFF(CFS) = 47.00 TOTAL AREA(ACRES) = 126.98 TOTAL RUNOFF(CFS) = 262.54 TC(M1N) = 16.44 .............................................................................. FLOW PROCESS FROM NODE 948.10 TO NODE 948.10 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(M1NUTES) = 16.44 RAINFALL INTENSITY (INCH./HOUR) = 3.42 TOTAL STREAM AREA (ACRES) = 126.98 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 262.54 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER ( CFS ) (MIN.) (INCH/HOUR) ............................................................................ _____________--_________________________------------------------------------ ............................................................................ ............................................................................ 1 1079.50 45.15 1.784 2 262.54 16.44 3.424 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: COMPUTED CONFLUENCE ESTIMATES ARE AS FOLMWS: RUNOFF(CFS) = 1216.32 TIME(M1NUTES) = 45.150 TOTAL AREA(ACRES) = 1257.56 1216.32 825.11 ............................................................................ '- FLOW PROCESS FROM NODE 948.10 TO NODE 946.01 IS CODE = 5 ........................................................................... >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< ENHANCED NATURAL CRANNEL UPSTREAM NODE ELEVATION = 210.00 DOWNSTREAM NODE ELEVATION = 190.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 860.00 CHANNEL BASE(FEET) = .OO 'IZ" FACTOR = 10.000 MANNINGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 1216.32 FLOW VELOCITY(FEET/SEC) = 8.56 FMW DEPTH(FEET) = 3.77 TRAVEL TIME(M1N.) = 1.67 TC(M1N.) = 46.82 ________________________________________------------------------------------ --___________-------____________________------------------------------------ ............................................................................ FLOW PROCESS FROM NODE 946.01 TO NODE 946.01 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ _-_________________-____________________------------------------------------ ___________________-____________________-----__--------------------_-------- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 1.743 *USER SPECIFIED(SUBAREA): SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5400 SUBAREA AREA(ACRES) = 52.00 SUBAREA RUNOFF(CFS) = 48.94 TOTAL AREA(ACRES) = 1309.56 TOTAL RUNOFF(CFS) = 1265.26 - TC(M1N) = 46.82 ............................................................................ FLOW PROCESS FROM NODE 946.01 TO NODE 946.02 IS CODE = 5 ............................................................................ - >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< ENHANCED NATURAL CBANNEL UPSTREAM NODE ELEVATION = 190.00 DOWNSTREAM NODE ELEVATION = 170.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 730.00 CHANNEL BASE(FEET) = .OO "Z" FACTOR = 12.000 MA"1NGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 1265.26 FLOW VELOCITY (FEET/SEC) = 8.82 FLOW DEFl"(FEET) = 3.46 TRAVEL TIME(M1N.) = 1.38 TC(M1N.) = 48.20 _-------_--________--------------------------------------------------------- _-______-___________-------------------------------------------------------- ............................................................................ FLOW PROCESS FROM NODE 946.02 TO NODE 946.02 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 1.711 *USER SPECIFIED(SUBAREA): SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5400 SUBAREA AREA(ACRES) = 34.50 SUBAREA RUNOFF(CFS) = 31.87 TOTAL AREA(ACRES) = 1344.06 TOTAL RUNOFF(CFS) = 1297.13 TC(M1N) = 48.20 ............................................................................ FLOW PROCESS FROM NODE 946.02 TO NODE 946.03 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 170.00 DOWNSTREAM NODE ELEVATION = 158.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 600.00 CHANNEL BASE(FEET) = .OO 'lZ" FACTOR = 30.000 MA"1NGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 1297.13 FLOW VELOCITY(FEET/SEC) = 6.22 FLOW DEF'TH(FEET) = 2.64 TRAVEL TIME(M1N.) = 1.61 TC(M1N.) = 49.81 ............................................................................ ............................................................................ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 1.675 *USER SPECIFIED(SUBAREA): SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5200 SUBAREA AREA(ACRES) = 22.78 SUBAREA RUNOFF(CFS) = 19.84 TOTAL AREA(ACRES) = 1366.84 TOTAL RUNOFF(CFS) = 1316.97 TC(M1N) = 49.81 ............................................................................ - FLOW PROCESS FROM NODE 946.03 TO NODE 946.04 IS CODE = 5 ........................................................................... >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< EN"CED NATURAL CHANNEL UPSTREAM NODE ELEVATION = 158.00 DOWNSTREAM NODE ELEVATION = 140.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 850.00 CHANNEL BASE(FEET) = .OO "Z" FACTOR = 18.000 MA"1NGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 1316.97 FLOW VELOCITY (FEET/SEC) = 7.40 FLOW DEPTH(FEET) = 3.14 TRAVEL TIME(M1N.) = 1.91 TC(M1N.) = 51.73 ________________________________________------------------------------------ -___------__--------____________________------------------------------------ ............................................................................ FLOW PROCESS FROM NODE 946.04 TO NODE 946.04 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< --______________________________________------------------------------------ ............................................................................ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 1.635 *USER SPECIFIED(SUBAREA): SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5400 SUBAREA AREA(ACRES) = 9.90 SUBAREA RUNOFF(CFS) = 8.74 TOTAL AREA(ACRES) = 1376.74 TOTAL RUNOFF(CFS) = 1325.71 TC(M1N) = 51.73 - ............................................................................ FLOW PROCESS FROM NODE 946.04 TO NODE 946.04 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< ............................................................................ ............................................................................ ________________________________________------------------------------------ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 51.73 RAINFALL INTENSITY (INCH. /HOUR) = 1.63 TOTAL STREAM AREA (ACRES) = 1376.74 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 1325.71 TO PAGE -81 4- ............................................................................ FLOW PROCESS FROM NODE 946.05 TO NODE 946.06 IS CODE = 7 >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<<< USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(M1N) = 18.00 RAIN INTENSITY(INCH/HOUR) = 3.23 TOTAL AREA (ACRES) = 7.85 TOTAL RUNOFF(CFS) = 14.25 c = .55 L(FT) = 720 S = 12.6% TC = J.E(l.1 - C) fL)^1/2 ............................................................................ -----------_-___________________________------------------------------------ ---------_______________________________------------------------------------ [S(lOO) 3 -1/3 e.-. >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< UPSTREAM ELEVATION = 395.00 DOWNSTREAM ELEVATION = 300.00 STREET HALFWIDTH(FEET) = 20.00 STREET CROSSFALL(DEC1MAL) = .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 23.39 STREET FLoWDEPTH(FEET) = .35 HALFSTREET FLOODWIDTH(FEET) = 11.04 PRODUCT OF DEPTH&VELOCITY = 3.04 ----______--------_--------------------------------------------------------- ............................................................................ ~ STREET LENGTH(FEET) = 700.00 CURB HEIGTH(1NCHES) = 6. AVERAGE FMW VEMCITY(FEET/SEC.) = 8.75 STREETFLOW TRAVELTIME(M1N) = 1.33 TC(M1N) = 19.33 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.084 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 10.76 SUBAREA RUNOFF(CFS) = 18.25 SUMMED AREA(ACRES) = 18.61 TOTAL RUNOFF(CFS) = 32.50 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .38 HALFSTREET FLOODWIDTH(FEET) = 12.77 FLOW VELOCITY(FEET/SEC.) = 9.29 DEPTH*VELOCITY = 3.54 ENHANCED NATURAL CBANNEL ............................................................................ FLOW PROCESS FROM NODE 946.07 TO NODE 946.08 IS CODE = 3 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< ............................................................................ -------____________-____________________------------------------------------ ----_______________-____________________------------------------------------ - DEPTH OF FLOW IN 18.0 INCH PIPE IS 14.1 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 21.8 UPSTREAM NODE ELEVATION = 300.00 DOWNSTREAM NODE ELEVATION = 200.00 FLOWLENGTH(FEET) = 1070.00 MA"1NGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 32.50 TRAVEL TIME(M1N.) = .82 TC(M1N.) = 20.15 ............................................................................ FLOW PROCESS FROM NODE 946.08 TO NODE 946.08 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ _______________--_______________________------------------------------------ ----____-----__------------------------------------------------------------- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.002 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 16.50 SUBAREA RUNOFF(CFS) = 27.25 TOTAL AREA(ACRES) = 35.11 TOTAL RUNOFF(CFS) = 59.75 TC(M1N) = 20.15 ENHANCED NATURAL CHANNEL ............................................................................ FLOW PROCESS FROM NODE 946.08 TO NODE 946.04 IS CODE = 3 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< ............................................................................ __________---_____---------------------------------------------------------- DEPTH OF FLOW IN 27.0 INCH PIPE IS 17.9 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 21.3 DOWNSTREAM NODE ELEVATION = 140.00 FLOWLENGTH(FEET1 = 1090.00 MA"1NGS N = .012 -- UPSTREAM NODE ELEVATION = 200.00 ESTIMATED PIPE DIAMETER(INCH) = 27.00 NUMBER OF PIPES = 1 TRAVEL TIME(M1N.) = .85 TC(M1N.) = 21.00 PIPEFLOW THRU SUBAREA(CFS) = 59.75 ............................................................................ FLOW PROCESS FROM NODE 946.04 TO NODE 946.04 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ___________________----------------_---------------------------------------- ________________________________________------------_----------------------- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.923 SOIL CLASSIFICATION IS 'ID" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 9.90 SUBAREA RUNOFF(CFS) = 15.92 TOTAL AREA(ACRES) = 45.01 TOTAL RUNOFF(CFS) = 75.66 TC(M1N) = 21.00 ............................................................................ FLOW PROCESS FROM NODE 946.04 TO NODE 946.04 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< ............................................................................ - >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(M1NUTES) = 21.00 RAINFALL INTENSITY (INCH./HOUR) = 2.92 TOTAL STREAM AREA (ACRES) = 45.01 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 75.66 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER ( CFS 1 (MIN.) (INCH/HOUR) ________________________________________----------------------------------- ________________________________________----------------_------------------ ............................................................................ 1 1325.71 51.73 1.635 2 75.66 21.00 2.923 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 1368.01 TIME(M1NUTES) = 51.726 TOTAL AREA(ACRES) = 1421.75 1368.01 816.91 UPSTREAM NODE ELEVATION = 140.00 DOWNSTREAM NODE ELEVATION = 136.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 400.00 MA"1NGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 1368.01 FLOW VELOCITY (FEET/SEC) = 5.47 FLOW DEPTH(FEET) = 3.54 TRAVEL TIME(M1N.) = 1.22 TC(M1N.) = 52.94 _- CHANNEL BASE(FEET) = .OO "2" FACTOR = 20.000 ............................................................................ FLOW PROCESS FROM NODE 946.09 TO NODE 946.09 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAR FLOW<<<<< ............................................................................ __________------------------------------------------------------------------ ________________________________________------------------------------------ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 1.610 SOIL CLASSIFICATION IS I'D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 9.60 SUBAREA RUNOFF(CFS) = 8.50 TOTAL AREA(ACRES) = 1431.35 TOTAL RUNOFF(CFS) = 1376.51 TC (MIN) = 52.94 SOIL CLASSIFICATION IS "D" - SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTH(FEET) = 820.00 UPSTREAM ELEVATION = 545.00 DOWNSTREAM ELEVATION = 535.00 ELEVATION DIFFERENCE = 10.00 URBAN SUBAREA OVERLAND TIME OF FLOW(M1NUTES) = 27.707 *CAUTION: SUBAREA FLOWLENGTH EXCEEDS COUNTY NOMOGRAPH DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED. 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.445 SUBAREA RUNOFF(CFS) = 8.34 TOTAL AREA(ACRES) = 6.20 TOTAL RUNOFF (CFS) = 8.34 ............................................................................ FLOW PROCESS FROM NODE 945.40 TO NODE 945.02 IS CODE = 6 >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< UPSTREAM ELEVATION = 535.00 DOWNSTREAM ELEVATION = 494.94 STREET LENGTH(FEET) = 800.00 CURB HEIGTH(1NCHES) = 6. STREET HALFWIDTH(FEET) = 20.00 STREET CROSSFALL(DEC1MAL) = .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 16.86 STREET FLOWDEPTH(FEET) = .36 HALFSTREET FMODWIDTH(FEET) = 11.62 PRODUCT OF DEPTH&VELOCITY = 2.06 ............................................................................ ------____------_-_--------------------------------------------------------- ............................................................................ AVERAGE FLOW VELoCITY(FEET/SEC.) = 5.75 STREETFLOW TRAVELTIME(M1N) = 2.32 TC(M1N) = 30.03 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.321 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 13.40 SUBAREA RUNOFF(CFS) = 17.11 SUMMED AREA(ACRES) = 19.60 TOTAL RUNOFF(CFS) = 25.45 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH (FEET) = .40 HALFSTREET FLOODWIDTH (FEET) = 13.93 FLOW VELOCITY(FEET/SEC.) = 6.18 DEPTH*VELOCITY = 2.50 ............................................................................ FLOW PROCESS FROM NODE 945.02 TO NODE 945.03 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 18.0 INCH PIPE IS 11.4 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 21.5 UPSTREAM NODE ELEVATION = 494.94 DOWNSTREAM NODE ELEVATION = 426.14 FLOWLENGTH(FEET) = 700.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 25.45 TRAVEL TIME(M1N.) = .54 TC(M1N.) = 30.57 ............................................................................ ............................................................................ ............................................................................ ............................................................................ - FLOW PROCESS FROM NODE 945.03 TO NODE 945.04 IS CODE = 4 ........................................................................... >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 30.0 INCH PIPE IS 9.8 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 18.2 UPSTREAM NODE ELEVATION = 426.14 DOWNSTREAM NODE ELEVATION = 389.02 FLOWLENGTH(FEET) = 580.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 30.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 25.45 TRAVEL TIME (MIN. ) = .53 TC(M1N.) = 31.10 ............................................................................ ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 945.04 TO NODE 945.04 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.269 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 2.10 SUBAREA RUNOFF(CFS) = 2.62 TOTAL AREA(ACRES) = 21.70 TOTAL RUNOFF(CFS) = 28.07 TC(M1N) = 31.10 ............................................................................ -'F7 16- ............................................................................ FLOW PROCESS FROM NODE 945.05 TO NODE 945.26 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 24.0 INCH PIPE IS 4.2 INCHES - PIPEFLOW VELOCITY(FEET/SEC.) = 12.1 UPSTREAM NODE ELEVATION = 477.00 DOWNSTREAM NODE ELEVATION = 462.22 FLOWLENGTH(FEET) = 190.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 4.50 TRAVEL TIME(M1N.) = .26 TC(M1N.) = 16.66 ________________________________________------------------------------------ ............................................................................ _____-_--------------------------------------------------------------------- ............................................................................ FLOW PROCESS FROM NODE 945.26 TO NODE 945.06 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 24.0 INCH PIPE IS 2.8 INCHES PIPEFLOW VELOCITY (FEET/SEC. ) = 2 1.5 UPSTREAM NODE ELEVATION = 462.22 DOWNSTREAM NODE ELEVATION = 414.22 FLOWLENGTH(FEET) = 120.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 4.50 TRAVEL TIME(M1N.) = .09 TC(M1N.) = 16.75 ............................................................................ ............................................................................ ............................................................................ ............................................................................. FLOW PROCESS FROM NODE 945.06 TO NODE 945.07 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< ............................................................................ >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 24.0 INCH PIPE IS 5.3 INCHES - PIPEFLOW VELOCITY(FEET/SEC.) = 8.6 UPSTREAM NODE ELEVATION = 414.22 DOWNSTREAM NODE ELEVATION = 408.22 FMWLENGTH(FEET) = 200.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 4.50 TRAVEL TIME(M1N.) = .39 TC(M1N.) = 17.14 ------_____________---------------------------------_----------------------- ---________________--------------_----------------_------------_------------ ............................................................................ FMW PROCESS FROM NODE 945.07 TO NODE 945.04 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 30.0 INCH PIPE IS 4.6 INCHES PIPEFMW VELOCITY(FEET/SEC.) = 9.3 UPSTREAM NODE ELEVATION = 408.22 DOWNSTREAM NODE ELEVATION = 389.02 FMWLENGTH(FEET) = 480.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 30.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 4.50 TRAVEL TIME (MIN. ) = .86 TC(M1N.) = 18.00 ............................................................................ ----_____------------------------------------------------------------------- _-_-__--____--__------------------------------------------------------------ ............................................................................ - FLOW PROCESS FROM NODE 945.04 TO NODE 945.04 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ,____________----_---------------------------------------------------------- ~~~~~ ~ ~ ~ ~ ~~~~ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.229 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 15.70 SUBAREA RUNOFF(CFS) = 27.88 TOTAL AREA(ACRES) = 18.20 TOTAL RUNOFF(CFS) = 32.38 TC(M1N) = 18.00 ............................................................................ FLOW PROCESS FROM NODE 945.04 TO NODE 945.04 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< ............................................................................ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(M1NUTES) = 18.00 RAINFALL INTENSITY (INCH./HOUR) = 3.23 TOTAL STREAM AREA (ACRES) = 18.20 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 32.38 CONFLUENCE INFORMATION: - STREAM RUNOFF TIME INTENSITY NUMBER (MIN. ) (INCH/HOUR) 1. 28.07 31.10 2.269 2 32.38 18.00 3.229 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 52.11 TIME(M1NUTES) = 18.001 TOTAL AREA(ACRES) = 39.90 50.82 52.11 ............................................................................ FLOW PROCESS FROM NODE 945.04 TO NODE 945.08 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 30.0 INCH PIPE IS 17.5 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 17.5 UPSTREAM NODE ELEVATION = 389.02 DOWNSTREAM NODE ELEVATION = 382.02 FLOWLENGTH(FEET) = 200.00 MA”1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 30.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 52.11 TRAVEL TIME(M1N.) = .19 TC(M1N.) = 18.19 ............................................................................ ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 945.08 TO NODE 945.08 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< ........................................................................... - CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 18.19 RAINFALL INTENSITY (INCH. /HOUR) = 3.2 1 TOTAL STREAM AREA (ACRES) = 39.90 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 52.11 TO PAGE -22 \ - ............................................................................ FLOW PROCESS FROM NODE 945.09 TO NODE 945.10 IS CODE = 7 >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<<< USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(M1N) = 16.40 RAIN INTENSITY(INCH/HOUR) = 3.43 ............................................................................ ----__-----______-__-------------------------------------------------------- ............................................................................ TOTAL AREA (ACRES) = 8.00 TOTAL RUNOFF(CFS) = 10.12 c = .55 L(FT) = 770 s = 10% Tc = 1.8f1.1 - C)(L)^1/2 [S (100) ] -1/3 ............................................................................ FLOW PROCESS FROM NODE 945.10 TO NODE 945.08 IS CODE = 6 >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< UPSTREAM ELEVATION = 440.00 DOWNSTREAM ELEVATION = ............................................................................ ............................................................................. 382.02 STREET LENGTH(FEET) = 650.00 CURB HEIGTH(1NCHES) = 6. STREET HALFWIDTH(FEET) = 20.00 STREET CROSSFALL(DEC1MAL) = .0200 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 14.83 STREET FLOWDEPTH(FEET) = .32 HALFSTREET FLOODWIDTH (FEET) = 9.88 AVERAGE FLOW VELoCITY(FEET/SEC.) = 6.77 PRODUCT OF DEPTH&VELOCITY = 2.19 . SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 STREETFMW TRAVELTIME(M1N) = 1.60 TC(M1N) = 18.00 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.229 SOIL CLASSIFICATION IS I'D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 5.30 SUBAREA RUNOFF (CFS) = 9.41 SUMMED AREA(ACRES) = 13.30 TOTAL RUNOFF(CFS) = 19.53 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .35 HALFSTREET FLOODWIDTH(FEET) = 11.04 FLOW VELOCITY(FEET/SEC.) = 7.31 DEPTH*VELOCITY = 2.54 ............................................................................ FLOW PROCESS FROM NODE 945.08 TO NODE 945.08 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(M1NUTES) = 18.00 TOTAL STREAM AREA (ACRES) = 13.30 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 19.53 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN. ) (INCH/HOUR) ............................................................................ ............................................................................ - RAINFALL INTENSITY (INCH./HOUR) = 3.23 ............................................................................ 1 52.11 18.19 3.207 2 19- 53 18.00 3.229 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 71.51 TIME(M1NUTES) = 18.191 TOTAL AREA (ACRES) = 53.20 71.51 . 71.28 FLOWLENGTH(FEET) = 300.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 30.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 71.51 TRAVEL TIME(M1N.) = .18 TC(M1N.) = 18.37 ............................................................................ FLOW PROCESS FROM NODE 945.11 TO NODE 945.11 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 18.37 RAINFALL INTENSITY (INCH./.HOUR) = 3.19 TOTAL STREAM AREA (ACRES) = 54.40 ____________c--------------------------------------------------~------------ ------------ ............................................................................ - TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 73.61 TO PAGE-823- ............................................................................ FLOW PROCESS FROM NODE 945.12 TO NODE 945.13 IS CODE = 7 >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<<< USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(M1N) = 17.50 RAIN INTENSITY(INCH/HOUR) = 3.29 TOTAL AREA(ACRES) = 5.60 TOTAL RUNOFF(CFS) = 9.85 Tc = 1.811.1 - C)fL)-1/2 ............................................................................ ............................................................................ ............................................................................ c = .55 L(FT) = 920 s = 12% [S (100) ] ^1/3 ............................................................................ FLOW PROCESS FROM NODE 945.13 TO NODE 945.14 IS CODE = 6 >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< UPSTREAM ELEVATION = 425.00 DOWNSTREAM ELEVATION = 389.62 STREET LENGTH(FEET) = 820.00 CURB HEIGTH(1NCHES) = 6. STREET HALFWIDTH(FEET) = 20.00 STREET CROSSFALL(DEC1MAL) = .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 17.24 STREET FLOWDEPTH(FEET) = .37 HALFSTREET FLOODWIDTH(FEET) = 12.20 PRODUCT OF DEPTH&VELOCITY = 1.99 ............................................................................ ............................................................................ --------____--------____________________------------------------------------ AVERAGE FLOW VELOCITY (FEET/SEC. ) = 5.37 STREETFLOW TRAVELTIME(M1N) = 2.55 TC(M1N) = 20.05 100 YEAR RAINFALL INTENSITYIINCH/HOURl = 3.013 ~~~ ~ - SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 8.90 SUBAREA RUNOFF(CFS) = 14.75 SUMMED AREA(ACRES) = 14.50 TOTAL RUNOFF(CFS) =- 24.60 DEPTH(FEET) = .42 HALFSTREET FLOODWIDTH(FEET) = 14.51 FLOW VELOCITY(FEET/SEC.) = 5.53 DEPTH*VELOCITY = 2.30 END OF SUBAREA STREETFLOW HYDRAULICS: ............................................................................ FLOW PROCESS FROM NODE 945.14 TO NODE 945.11 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< ............................................................................ >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 24.0 INCH PIPE IS 16.9 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 10.4 UPSTREAM NODE ELEVATION = 358.62 DOWNSTREAM NODE ELEVATION = 354.12 FLoWLENGTH(FEET) = 300.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 24.60 TRAVEL TIME(M1N.) = .48 TC(M1N.) = 20.52 ------- .............................................................................. ............................................................................ - FLOW PROCESS FROM NODE 945.11 TO NODE 945.11 IS CODE = 8 ........................................................................... >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.967 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 TOTAL AREA(ACRES) = 16.70 TOTAL RUNOFF(CFS) = 28.19 TC(M1N) = 20.52 SUBAREA AREA(ACRES) = 2.20 SUBAREA RUNOFF(CFS) = 3.59 1' 73.61 18.37 3.187 2 28.19 20.52 2.967 - RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 99.85 TIME(M1NUTES) = 18.374 TOTAL AREA(ACRES) = 71.10 99.85 96.72 ............................................................................ FLOW PROCESS FROM NODE 945.11 TO NODE 945.27 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 42.0 INCH PIPE IS 28.3 INCHES PIPEFLOW VELOCITY (FEET/SEC. ) = 14.5 UPSTREAM NODE ELEVATION = 354.12 DOWNSTREAM NODE ELEVATION = 350.20 FLOWLENGTH(FEET) = 280.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 42.00 NUMBER OF PIPES = 1 TRAVEL TIME (MIN. ) = .32 TC(M1N.) = 18.70 ............................................................................ ___________________-------_------------------------------------------------- -----____-_________--------------------------------------------------------- PIPEFLOW THRU SUBAREA(CFS) = 99.85 ............................................................................ FLOW PROCESS FROM NODE 945.27 TO NODE 945.15 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 42.0 INCH PIPE IS 15.0 INCHES PIPEFLOW VELQCITY(FEET/SEC.) = 32.3 UPSTREAM NODE ELEVATION = 350.20 DOWNSTREAM NODE ELEVATION = 275.00 FLOWLENGTH(FEET) = 160.00 MA"1NGS N = .024 GIVEN PIPE DIAMETER(1NCH) = 42.00 NUMBER OF PIPES = 1 TRAVEL TIME (MIN. ) = .08 TC(M1N.) = 18.78 - ........................................................................... ---_______------------------------------------------------------------------ __________-________-------------------------------------------_------------- PIPEFLOW THRU SUBAREA(CFS) = 99.85 ............................................................................ FLOW PROCESS FROM NODE 945.15 TO NODE 945.15 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ -______________-----____________________------------------------------_----- --______-______-------_------------------------------_---------------__----- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.142 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 1.30 SUBAREA RUNOFF(CFS) = 2.25 TOTAL AREA(ACRES) = 72.40 TOTAL RUNOFF(CFS) = 102.10 TC(M1N) = 18.78 .- ............................................................................ FLOW PROCESS FROM NODE 945.15 TO NODE 945.16 IS CODE = 5 ............................................................................ - >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLQW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 275.00 DOWNSTREAM NODE ELEVATION = 220 * 00 CHANNEL LENGTH THRU SUBAREA(FEET) = 520.00 CHANNEL BASE(FEET) = 10.00 "2" FACTOR = 1.500 MA"1NGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 2.25 FMW VELOCITY(FEET/SEC) = 18.61 FLOW DEPTH(FEET) = TRAVEL TIME(M1N.) = .47 TC(M1N.) = 19.24 CHANNEL FLOW THRU SUBAREA(CFS) = 102.10 51 ............................................................................ FLOW PROCESS FROM NODE 945.16 TO NODE 945.16 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FMW<<<<< ............................................................................ ____________________-------------------------------------------------------- ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.093 SOIL CLASSIFICATION IS 'ID" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 8.90 SUBAREA RUNOFF(CFS) = 15.14 TOTAL AREA(ACRES) = 81.30 TOTAL RUNOFF(CFS) = 117.24 TC(M1N) = 19.24 - ........................................................................... FLOW PROCESS FROM NODE 945.16 TO NODE 945.16 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 19.24 RAINFALL INTENSITY (INCH./HOUR) = 3.09 TOTAL STREAM AREA (ACRES) = 81.30 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 117.24 ............................................................................ ............................................................................ ............................................................................ UPSTREAM ELEVATION = 312.00 DOWNSTREAM ELEVATION = 220.00 STREET LENGTH(FEET) = 600.00 CURB HEIGTH(1NCHES) = 6. STREET HALFWIDTHfFEET) = 20.00 STREET CROSSFALL(DEC1MAL) = .0200 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 11.12 STREET FLOWDEPTH (FEET) = .28 AVERAGE FLOW VELOCITY(FEET/SEC.) = 8.05 PRODUCT OF DEPTH&VELOCITY = 2.23 - SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 HALFSTREET FLOODWIDTH (FEET) = 7.57 STREETFLOW TRAVELTIME(M1N) = 1.24 TC(M1N) = 20.24 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.994 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 3.10 SUBAREA RUNOFF(CFS) = 5.10 SUMMED AREA(ACRES) = 8.00 TOTAL RUNOFF(CFS) = 13.67 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = -30 HALFSTREET FLOODWIDTH(FEET) = 8.73 FLOW VELOCITY(FEET/SEC.) = 7.77 DEPTH*VELOCITY = 2.34 ............................................................................ FLOW PROCESS FROM NODE 945.16 TO NODE 945.16 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< ............................................................................ -___________________-------___--_---__----------------------_--------------- -----__--__________-____________________-------------------------_--_------- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(M1NUTES) = 20.24 RAINFALL INTENSITY (INCH./HOUR) = 2.99 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 13.67 ,- TOTAL STREAM AREA (ACRES) = 8.00 TO PAGE -828- ............................................................................ FLOW PROCESS FROM NODE 945.17 TO NODE 945.28 IS CODE = 7 >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<<< USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(M1N) = 18.50 RAIN INTENSITY(INCH/HOUR) = 3.17 TOTAL AREA(ACRES) = 4.80 TOTAL RUNOFF(CFS) = 8.45 c = .55 L(FT) = 640 S = 4.6% Tc = 1.811.1 - C)fL) - 1/2 _____________--_________________________------------------------------------ ............................................................................ ________________________________________-------------_-------_-------_------ [S (100) 3 -1/3 ............................................................................ FLOW PROCESS FROM NODE 945.28 TO NODE 945.18 IS CODE = 6 >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< UPSTREAM ELEVATION = 445.00 DOWNSTREAM ELEVATION = 410.00 STREET LENGTH(FEET) = 520.00 CURB HEIGTH(1NCHES) = 6. STREET HALFWIDTH(FEET) = 20.00 STREET CROSSFALL(DEC1MAL) = .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 ............................................................................ _________________________________________-------__-------------___---------- __~~~_________~~_~__~~~__~~~~~~~~~~~~~~~~~~~~_~~~_~~~~~~~~~~~~~~~~~~~~~~~~~~ .- **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 11.52 STREET FLOWDEPTH(FEET) = .31 HALFSTREET FLOODWIDTH(FEET) = 9.30 AVERAGE FLOW VELOCITY(FEET/SEC.) = 5.86 PRODUCT OF DEPTHkVELOCITY = 1.83 - STREETFLOW TRAVELTIME(M1N) = 1.48 TC(M1N) = 19.98 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.019 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA (ACRES) = 3.70 SUBAREA RUNOFF(CF5) = 6.14 SUMMED AREA(ACRES) = 8.50 TOTAL RUNOFF(CFS) - 14.59 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .34 HALFSTREET FLOODWIDTH(FEET) - 10.46 FLOW VELoCITY(FEET/SEC.) = 6.02 DEPTH*VELOCITY = 2.02 ............................................................................ FLOW PROCESS FROM NODE 945.18 TO NODE 945.19 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 18.0 INCH PIPE IS 9.6 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 15.2 UPSTREAM NODE ELEVATION = 410.00 DOWNSTREAM NODE ELEVATION = 396.00 FLOWLENGTH(FEET) = 250.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 14.59 TRAVEL TIME (MIN. ) = .27 TC(M1N.) = 20.25 ............................................................................ ............................................................................ - ............................................................................ FLOW PROCESS FROM NODE 945.19 TO NODE 945.16 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< ............................................................................ DEPTH OF FLOW IN 24.0 INCH PIPE IS 6.1 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 23.2 UPSTREAM NODE ELEVATION = 396.00 DOWNSTREAM NODE ELEVATION = 220.00 FLOWLENGTH(FEET) = 950.00 MANNINGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 14.59 TRAVEL TIME (MIN. ) = .68 TC(M1N.) = 20.94 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.929 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 10.64 SUBAREA RUNOFF(CFS) = 17.14 TOTAL AREA(ACRES) = 19.14 TOTAL RUNOFF(CFS) = 31.74 TC(M1N) = 20.94 ............................................................................ - FLOW PROCESS FROM NODE 945.16 TO NODE 945.16 IS CODE = 1 ________c-----------------------------------------~------------------------ >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUE%<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: TIME OF CONCENTRATION(M1NUTES) = 20.94 RAINFALL INTENSITY (INCH./HOUR) = 2.93 TOTAL STREAM AREA (ACRES) = 19.14 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 31.74 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN. ) (INCH/HOUR) --------- ............................................................................ ............................................................................ 1 117.24 19.24 3.093 2 13.67 20.24 2.994 3 31.74 20.94 2.929 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 3 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 160.53 158.20 156.15 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: TOTAL AREA(ACRES) = 108.44 RUNOFF (CFS) = 160.53 TIME(M1NUTES) = 19.244 ........................................................................... FLOW PROCESS FROM NODE 945.16 TO NODE 945.20 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< ............................................................................ >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 220.00 DOWNSTREAM NODE ELEVATION = 180.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 360.00 CHANNEL BASE(FEET) = 10.00 IIZ" FACTOR = 1.500 MA"1NGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 2.25 CHANNEL FLOW THRU SUBAREA(CFS) = 160.53 FLOW VELOCITY(FEET/SEC) = 22.49 FLOW DEPTH(FEET) = .65 TRAVEL TIME (MIN. ) = .27 TC(M1N.) = 19.51 ----______-----_____-------------------------------------------------------- ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 945.20 TO NODE 945.20 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ --_----__----_______-------------------------------------------------------- -----_____-_____________________________------------------------------------ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.066 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 TOTAL AREA(ACRES) = 116.44 TOTAL RUNOFF(CFS) = 174.02 TC(M1N) = 19.51 '- SUBAREA AREA(ACRES) = 8.00 SUBAREA RUNOFF(CFS) = 13.49 ............................................................................ - FLOW PROCESS FROM NODE 945.20 TO NODE 945.20 IS CODE = 1 ........................................................................... >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 19.51 RAINFALL INTENSITY (INCH. /HOUR) = 3.07 TOTAL STREAM AREA (ACRES) = 116.44 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 174.02 ___________________--------------------------------------------------------- ___________________--------------------------------------------------------- TO PAGE -830 - .............................................................................. FLOW PROCESS FROM NODE 945.21 TO NODE 945.22 IS CODE = 7 >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<<< USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(M1N) = 18.20 RAIN INTENSITY(INCH/HOUR) = 3.21 ............................................................................ ________________________________________------------------------------------ ________________________________________------------------------------------ TOTAL AREA(ACRES) = 11.10 TOTAL RUNOFF(CFS) = 18.90 c = .55 L(FT) = 960 s = 4.5% TC = 1.811.1 - C)fL)-1/2 [ S (100) ] ^1/3 ............................................................................ FLOW PROCESS FROM NODE 945.22 TO NODE 945.23 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 18.0 INCH PIPE IS 8.9 INCHES PIPEFLOW VELOCITY (FEET/SEC. ) = 2 1.8 UPSTREAM NODE ELEVATION = 373.00 DOWNSTREAM NODE ELEVATION = 325.14 FLOWLENGTH(FEET) = 390.00 MA”1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 18.90 TRAVEL TIME(M1N.) = .30 TC(M1N.) = 18.50 ........................................................................... - ________________________________________------------------------------------ ________________________________________------------------------------------ ............................................................................ FLOW PROCESS FROM NODE 945.23 TO NODE 945.20 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 18.0 INCH PIPE IS 8.6 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 22.7 UPSTREAM NODE ELEVATION = 325.14 DOWNSTREAM NODE ELEVATION = 180.00 FLOWLENGTH(FEET) = 1060.00 MA”1NGS N = .012 ............................................................................ _-______________________________________------------------------------------ _____________-__________________________------------------------------------ - GIVEN PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 18.90 TRAVEL TIME (MIN. ) = .78 TC(M1N.) = 19.27 07 a ............................................................................ - FLOW PROCESS FROM NODE 945.20 TO NODE 945.20 IS CODE = 8 ______L-------------------------------------------------------------------- >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ------- ................................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.090 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 17.10 SUBAREA RUNOFF(CFS) = 29.06 TOTAL AREA(ACRES) = 28.20 TOTAL RUNOFF(CFS) = 47.96 TC(M1N) = 19.27 ............................................................................ FLOW PROCESS FROM NODE 945.20 TO NODE 945.20 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< ............................................................................ ............................................................................ ............................................................................ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(M1NUTES) = 19.27 RAINFALL INTENSITY (INCH./HOUR) = 3.09 TOTAL STREAM AREA (ACRES) = 28.20 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 47.96 CONFLUENCE INFORMATION: NUMBER (CFS) (MIN.) (INCH/HOUR) -. STREAM RUNOFF TIME INTENSITY ............................................................................ 1 174.02 19.51 3.066 2 47.96 19.27 3.090 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 221.60 220.61 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 221.60 TIME(M1NUTES) = 19.511 TOTAL AREA (ACRES) = 144.64 ............................................................................ FLOW PROCESS FROM NODE 945.20 TO NODE 945.24 IS CODE = 5 ............................................................................ >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 180.00 DOWNSTREAM NODE ELEVATION = 165.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 330.00 CHANNEL BASE(FEET) = .OO IIZ" FACTOR = 16.000 MA"1NGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 221.60 TRAVEL TIME (MIN. ) = .85 TC(M1N.) = 20.36 ............................................................................ - FLOW VELOCITY(FEET/SEC) = 6.45 FLOW DEPTH(FEET) = 1.46 ............................................................................ FLOW PROCESS FROM NODE 945.24 TO NODE 945.24 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ------- ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.982 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 6.10 SUBAREA RUNOFF(CFS) = 10.01 TOTAL AREA(ACRES) = 150.74 TOTAL RUNOFF(CFS) = 231.61 TC(M1N) = 20.36 ............................................................................ FLOW PROCESS FROM NODE 945.24 TO NODE 945.25 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 60.0 INCH PIPE IS 39.4 INCHES PIPEFMW VELOCITY(FEET/SEC.) = 16.9 UPSTREAM NODE ELEVATION = 165.00 DOWNSTREAM NODE ELEVATION = 163.32 FLOWLENGTH(FEET) = 140.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 60.00 NUMBER OF PIPES = 1 PIPEFMW THRU SUBAREA(CFS) = 231.61 TRAVEL TIME(M1N.) = .14 TC(M1N.) = 20.50 ............................................................................ ---__-_-----------_------------------------------------ ............................................................................ .- ............................................................................ FLOW PROCESS FROM NODE 945.25 TO NODE 946.09 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 163.32 DOWNSTREAM NODE ELEVATION = 136.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 630.00 CHANNEL BASE(FEET) = .OO *lZ" FACTOR = 25.000 MA"1NGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 231.61 FLOW VELOCITY(FEET/SEC) = 5.75 FLOW DEPTH(FEET) = 1.27 TRAVEL TIME(M1N.) = 1.83 TC(M1N.) = 22.33 ________________________________________------------------------------------ ............................................................................ ----_-__-------____--------------------------------------------------------- ............................................................................ FLOW PROCESS FROM NODE 946.09 TO NODE 946.09 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ ----_-__-----_______----------_--------------------------------------------- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.810 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 TOTAL AREA(ACRES) = 157.90 TOTAL RUNOFF(CFS) = 242.67 TC(M1N) = 22.33 .- SUBAREA AREA(ACRES) = 7.16 SUBAREA RUNOFF(CFS) = 11.07 ............................................................................ - FLOW PROCESS FROM NODE 946.09 TO NODE 946.09 IS CODE = 1 ........................................................................... >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 22.33 RAINFALL INTENSITY (INCH./HOUR) = 2.81 TOTAL STREAM AREA (ACRES) = 157.90 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 242.67 ............................................................................ ______-_____________-------__--__--------------------------_---------------- TO PAGE -g3 2 - ............................................................................ FLOW PROCESS FROM NODE 946.09 TO NODE 946.09 IS CODE = 7 >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<<< ............................................................................ -_____-_--_____--__--------------------------------------------------------- ________________________________________------------------------------------ USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(M1N) = 52.94 RAIN INTENSITY(INCH/HOUR) = 1.61 TOTAL AREA(ACRES) = 1431.35 TOTAL RUNOFF(CFS) = 1376.51 ............................................................................ FLOW PROCESS FROM NODE 946.09 TO NODE 946.09 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(M1NUTES) = 52.94 RAINFALL INTENSITY (INCH./HOUR) = 1.61 TOTAL STREAM AREA (ACRES) = 1431.35 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 1376.51 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER ( CFS 1 (MIN. ) (INCH/HOUR) ............................................................................ - ........................................................................... ............................................................................ 1 242.67 22.33 2.810 2 1376.51 52.94 1.610 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 1515.56 TIME(M1NUTES) = 52.940 TOTAL AREA(ACRES) = 1589.25 1031.42 1515.56 ............................................................................ FLOW PROCESS FROM NODE 946.09 TO NODE 944.12 IS CODE = 5 ............................................................................ - >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< w 77 UPSTREAM NODE ELEVATION = 136.00 DOWNSTREAM NODE ELEVATION = 121.00 CHANNEL BASE (FEET) = .OO “Z” FACTOR = 20.000 MA”1NGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 1515.56 FLOW VELOCITY (FEET/SEC) = 6.49 FLOW DEPTH(FEET) = 3.42 TRAVEL TIME(M1N.) = 2.57 TC(M1N.) = 55.51 - CHANNEL LENGTH THRU SUBAREA(FEET) = 1000.00 ............................................................................ FLOW PROCESS FROM NODE 944.12 TO NODE 944.12 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ----___----_-----__--------------------------------------------------------- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 1.562 *USER SPECIFIED(SUBAREA): SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5400 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 16.87 TOTAL AREA(ACRES) = 1609.25 TOTAL RUNOFF(CFS) = 1532.43 TC(M1N) = 55.51 ............................................................................ FLOW PROCESS FROM NODE 944.12 TO NODE 944.12 IS CODE = 1 ............................................................................ >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< ............................................................................ ....................................................... - CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 55.51 RAINFALL INTENSITY (INCH./HOUR) = 1.56 TOTAL STREAM AREA (ACRES) = 1609.25 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 1532.43 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN. ) (INCH/HOUR) ............................................................................ r 1 1532.43 55.51 1.562 2 496.24 25.61 2.572 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 1833.73 TIME(M1NUTES) = 55.509 TOTAL AREA(ACRES) = 1904.85 1833.73 1426.68 ............................................................................ FLOW PROCESS FROM NODE 944.12 TO NODE 944.13 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< ............................................................................ >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 121.00 DOWNSTREAM NODE ELEVATION = 113.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 610.00 CHANNEL BASE(FEET) = .OO IIZ" FACTOR = 20.000 MA"1NGS FACTOR = .040 MAXIYUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 1833.73 FLOW VELOCITY (FEET/SEC) = 6.45 FLOW DEPTH(FEET) = 3.77 TRAVEL TIME(M1N.) = 1.58 TC(M1N.) = 57.09 =========3 == ======E===== ====E ================= &s&%!&Ee&==-L=aew& /- ............................................................................ FLOW PROCESS FROM NODE 944.13 TO NODE 944.13 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ -----_--__-----_-_---------------------------------------------------------- ___________-_-----__----_--------------------------------------------------- 100 YEAR RAINFALL INTENSITY (INCH/HOUR) = 1.534 *USER SPECIFIED (SUBAREA) : SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5200 SUBAREA AREA(ACRES) = 30.60 SUBAREA RUNOFF(CFS) = 24.41 TOTAL AREA(ACRES) = 1935.45 TOTAL RUNOFF(CFS) = 1858.14 TC(M1N) = 57.09 ............................................................................ FLOW PROCESS FROM NODE 944.13 TO NODE 943.01 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< c UPSTREAM NODE ELEVATION = 113.00 DOWNSTREAM NODE ELEVATION = 107.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 620.00 CHANNEL BASE (FEET) = .OO "Z" FACTOR = 20.000 - MA"1NGS FACTOR = .040 MAXIMUM DEFTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAFlEA(CFS) = 1858.14 FLOW VELOCITY(FEET/SEC) = 5.80 FLOW DEPTH(FEET) = 4.00 ............................................................................ L-L&7Ag!& ...................................... ===,==,ia _------ TRAVEL TIME(M1N.) = 1.78 TC(M1N.) = 58.87 ............................................................................. FLOW PROCESS FROM NODE 943.01 TO NODE 943.01 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 1.504 *USER SPECIFIED(SUBAREA): SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5100 SUBAREA AREA(ACRES) = 25.50 SUBAREA RUNOFF(CFS) = 19.56 TOTAL AREA(ACRES) = 1960.95 TOTAL RUNOFF(CFS) = 1877.69 TC(M1N) = 58.87 ............................................................................ FLOW PROCESS FROM NODE 943.01 TO NODE 943.02 IS CODE = 5 ............................................................................ UPSTREAM NODE ELEVATION = 107.00 DOWNSTREAM NODE ELEVATION = 99.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 540.00 CHANNEL BASE(FEET) = .OO ttZtt FACTOR = 24.000 MA”1NGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 1877.69 FLOW VELOCITY(FEET/SEC) = 6.55 FLOW DEPTH(FEET) = 3 ’- TRAVEL TIME(M1N.) = 1.37 TC(M1N.) = 60.24 ,46 ............................................................................ FMW PROCESS FROM NODE 943.02 TO NODE 943.02 IS CODE = 0 ............................................................................ >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 1.481 *USER SPECIFIED(SUBAREA) : SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5200 SUBAREA AREA (ACRES) = 6.70 SUBAREA RUNOFF(CFS) = 5.16 TOTAL AREA(ACRES) = 1967.65 TOTAL RUNOFF(CFS) = 1882.85 TC(M1N) = 60.24 ............................................................................ FLOW PROCESS FROM NODE 943.02 TO NODE 943.02 IS CODE = 1 ............................................................................ >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< -__-----___---____ ................................................................................ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 60.24 RAINFALL INTENSITY (INCH ./HOUR) = 1.48 TOTAL STREAM AREA (ACRES) = 1967.65 ~ TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 1882.85 TO PAGE- 83 3- ............................................................................ FLOW PROCESS FROM NODE 943.03 TO NODE 943.04 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION WITH 10-MINUTES ADDED 12.44(MINUTES) INITIAL SUBAREA FLOW-LENGTH(FEET) = 800.00 UPSTREAM ELEVATION = 420.00 DOWNSTREAM ELEVATION = 250.00 ELEVATION DIFFERENCE = 170.00 ............................................................................ __________----_---_--------------------------------------------------------- ___________________--------------------------------------------------------- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.098 SUBAREA RUNOFF(CFS) = 15.55 TOTAL AREA (ACRES) = 6.90 TOTAL RUNOFF(CFS) = 15.55 ............................................................................ FLOW PROCESS FROM NODE 943.04 TO NODE 943.05 IS CODE = 6 >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< UPSTREAM ELEVATION = 250.00 DOWNSTREAM ELEVATION = 185.00 STREET LENGTH(FEET) = 570.00 CURB HEIGTH(1NCHES) = 6. STREET HALFh'IDTH(FEET) = 20.00 STREET CROSSFALL(DEC1MAL) = .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 ............................................................................ ------_-________________________________------------------------------------ -----___________________________________------------------------------------ - **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 26.75 STREET FLOWDEPTH(FEET) = .37 HALFSTREET FLOODWIDTH(FEET) = 12.20 AVERAGE FLOW VELOCITY(FEET/SEC.) = 8.33 PRODUCT OF DEPTH&VELOCITY = 3.08 STREETFLOW TRAVELTIME(M1N) = 1.14 TC(M1N) = 13.58 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.873 SOIL CLASSIFICATION IS 'ID" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 10.50 SUBAREA RUNOFF(CFS) = 22.37 SUMMED AREA(ACRES) = 17.40 TOTAL RUNOFF(CFS) = 37.92 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH (FEET) = .40 HALFSTREET FLOODWIDTH (FEET) = 13.93 FLOW VELOCITY(FEET/SEC.) = 9.21 DEPTH*VELOCITY = 3.73 PIPEFIJOW THRU SUBAREA(CFS) = 37.92 TRAVEL TIME (MIN. ) = .48 TC(M1N.) = 14.06 ,.- ........................................................................... FLOW PROCESS FROM NODE 943.06 TO NODE 943.02 IS CODE = 3 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< ............................................................................ >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IN 24.0 INCH PIPE IS 18.3 INCHES PIPEFLOW VELOCITY (FEET/SEC. ) = 14.7 UPSTREAM NODE ELEVATION = 135.00 DOWNSTREAM NODE ELEVATION = 100.00 FLOWLENGTH(FEET) = 1200.00 MANNINGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 37.92 TRAVEL TIME(M1N.) = 1.36 TC(M1N.) = 15.42 ____________________I___________________-------------- ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 943.02 TO NODE 943.02 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ --______----________----------------------------------- ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.569 *USER SPECIFIED (SUBAREA) : . SINGLE FAMILY DEVEMPMENT RUNOFF COEFFICIENT = .5200 TOTAL AREA(ACRES) = 50.50 TOTAL RUNOFF(CFS) = 99.34 TC(M1N) = 15.42 - SUBAREA AREA(ACRES) = 33.10 SUBAREA RUNOFF(CFS) = 61.42 ............................................................................ FLOW PROCESS FROM NODE 943.02 TO NODE 943.02 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< ............................................................................ ............................................................................ ............................................................................ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(M1NUTES) = 15.42 RAINFALL INTENSITY (INCH. /HOUR) = 3.57 TOTAL STREAM AREA (ACRES) = 50.50 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 99.34 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER ( CFS 1 (MIN.) (INCH/HOUR) ............................................................................ 1 1882.85 60.24 1.481 2 99.34 15.42 3.569 RAINFALL-INTENSITY-RATIO CONFLUENCB FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 1924.10 TIME(M1NUTES) = 60.243 1924.10 881.00 TOTAL AREA(ACRES) = 2018.15 - ........................................................................... FLOW PROCESS FROM NODE 943.02 TO NODE 943.07 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< ............................................................................ >>>>>TRAVELTIME THRU SUBAREA<<<<< c UPSTREAM NODE ELEVATION = 100.00 DOWNSTREAM NODE ELEVATION = 95.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1030.00 CHANNEL BASE(FEET) = .OO "2" FACTOR = 42.000 MA"1NGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 1924.10 FLOW VELOCITY (FEET/SEC) = 3.75 FLOW DEPTH( FEET) = 3.50 TRAVEL TIME(M1N.) = 4.58 TC(M1N.) = 64.82 ............................................. ................................................ ~~cr;lr~~u&L-L~!~ ............................................................................ FLOW PROCESS FROM NODE 943.07 TO NODE 943.07 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ ............................................................................ 100 YEAR RAINFALL INTENSITY (INCH/HOUR) = 1.413 *USER SPECIFIED(SUBAREA): SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5100 SUBAREA AREA(ACRES) = 29.40 SUBAREA RUNOFF(CFS) = 21.19 TC(M1N) = 64.82 - TOTAL AREA(ACRES) = 2047.55 TOTAL RUNOFF(CFS) = 1945.28 ............................................................................ FLOW PROCESS FROM NODE 939.01 TO NODE 939.02 IS CODE = 7 >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<<< USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(M1N) = 22.20 RAIN INTENSITY(INCH/HOUR) = 2.82 TOTAL AREA(ACRES) = 8.00 TOTAL RUNOFF(CFS) = 12.54 ............................................................................ ............................................................................ ............................................................................ c = .55 L(FT) = 800 s = 3.1% Tc = 1.8(1.1 - C11L1-1/2 [S (100) ] -1/3 ............................................................................ FLOW PROCESS FROM NODE 939.02 TO NODE 939.04 IS CODE = 6 >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< ________________________________________------------------------------------ ~~~ ~~~~~~ ~~~~~~-~ ~~ ~~~~ ~~~~ UPSTREAM ELEVATION = 420.00 DOWNSTREAM ELEVATION = 355.00 STREET LENGTH(FEET) = 770.00 CURB HEIGTH(1NCHES) = 6. STREET HALFWIDTH(FEET) = 20.00 STREET CROSSFALL(DEC1MAL) = .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 20.36 STREET FLOWDEPTH(FEET) = .36 HALFSTREET FLOODWIDTH(FEET) = 11.62 AVERAGE FLOW VELOCITY(FEET/SEC.) = 6.93 ............................................................................ - FLOW PROCESS FROM NODE 939.06 TO NODE 939.06 IS CODE = 8 --------------------________c___________----------------------------------- >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FIOW<<<<< .............................................................................. 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.140 SOIL CLASSIFICATION IS 'ID" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 39.40 SUBAREA RUNOFF(CFS) = 46.37 TOTAL AREA(ACRES) = 79.20 TOTAL RUNOFF(CFS) = 101.92 TC(M1N) = 34.06 ............................................................................ FLOW PROCESS FROM NODE 939.06 TO NODE 939.06 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 34.06 RAINFALL INTENSITY (INCH./HOUR) = 2.14 TOTAL STREAM AREA (ACRES) = 79.20 ____________c--------------------------------------------------------------- ............................................................................ TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 101.92 TC = 1.8(1.1 - C)(L)^1/2 [S (100) ] -1/3 ............................................................................ FLOW PROCESS FROM NODE 939.08 TO NODE 939.03 IS CODE = 6 >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< UPSTREAM ELEVATION = 400.00 DOWNSTREAM ELEVATION = 370.00 STREET LENGTH(FEET) = 400.00 CURB HEIGTH(1NCHES) = 6. STREET HALFWIDTH(FEET) = 20.00 STREET CROSSFALL(DEC1MAL) = .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 32.41 STREET FLOWDEPTH(FEET) = .42 HALFSTREET FLOODWIDTH (FEET) = 14.51 AVERAGE FLOW VELOCITY (FEET/SEC. ) = 7.29 PRODUCT OF DEPTH&VEMCITY = 3.04 ............................................................................ -_______________________________________------_----------------------------- -------______-----__----__---_-------_--------------_----------------------- STREETFLOW TRAVELTIME (MIN) = .91 TC(M1N) = 16.91 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.361 SOIL CLASSIFICATION IS 'ID" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = -5500 PRODUCT OF DEPTH&VELOCITY = 2.49 STREETFLOW TRAVELTIME(M1N) = 1.85 TC(M1N) = 24.05 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.679 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 10.60 SUBAREA RUNOFF(CFS) = 15.62 SUMMED AREA(ACRES) = 18.60 TOTAL RUNOFF(CFS) = 28.16 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .39 HALFSTREET FLOODWIDTH(FEET) = 13.35 FLOW VELOCITY(FEET/SEC.) = 7.41 DEPTH*VELOCITY = 2.91 ............................................................................ FLOW PROCESS FROM NODE 939.04 TO NODE 939.05 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 355.00 DOWNSTREAM NODE ELEVATION = 250.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1470.00 CHANNEL BASE(FEET) = .OO IIZ" FACTOR = 15.000 MA"1NGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 28.16 FLOW VELOCITY (FEET/SEC) = 4.52 FLOW DEPTH( FEET) = .64 TRAVEL TIME(M1N.) = 5.42 TC(M1N.) = 29.47 ............................................................................ ------------L==------------------------------------------------------------- ------------ ............................................................. ........................................................................... FLOW PROCESS FROM NODE 939.05 TO NODE 939.05 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ------------ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.349 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 21.20 SUBAREA RUNOFF(CFS) = 27.39 TOTAL AREA(ACRES) = 39.80 TOTAL RUNOFF(CFS) = 55.55 TC(M1N) = 29.47 ............................................................................ FLOW PROCESS FROM NODE 939.05 TO NODE 939.06 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 250.00 DOWNSTREAM NODE ELEVATION = 180.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1320.00 CHANNEL BASE(FEET) = .OO IIZ" FACTOR = 15.000 MA"1NGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 10.00 FLOW VELOCITY(FEET/SEC) = 4.79 FLOW DEPTH(FEET) = .88 TRAVEL TIME(M1N.) = 4.59 TC(M1N.) = 34.06 ............................................................................ ............................................................................ ............................................................................ CHANNEL FLOW THRU SUBAREA(CFS) = 55.55 SUBAREA AREA(ACRES) = 11.80 SUBAREA RUNOFF(CFS) = 21.81 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH (FEET) = .45 HALFSTREET FLOODWIDTH (FEET) =: 16.24 FLOW VELOCITY(FEET/SEC.) = 7.86 DEPTH*VELOCITY = 3.54 - SUMMED AREA(ACRES) = 23.00 TOTAL RUNOFF(CFS) = 43.31 ............................................................................ FLOW PROCESS FROM NODE 939.09 TO NODE 939.10 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 310.00 DOWNSTREAM NODE ELEVATION = 255.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 680.00 CHANNEL BASE(FEET) = .OO "Z" FACTOR = 20.000 MA"1NGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 43.31 FLOW VELOCITY(FEET/SEC) = 5.21 FLOW DEPTH(FEET) = .64 TRAVEL TIME(M1N.) = 2.17 TC(M1N.) = 19.09 ............................................................................ --------- ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 939.09 TO NODE 939.09 IS CODE = 8 ............................................................................ - >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.109 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 16.40 SUBAREA RUNOFF(CFS) = 28.04 TOTAL AREA(ACRES) = 39.40 TOTAL RUNOFF(CFS) = 71.36 TC(M1N) = 19.09 ............................................................................ FLOW PROCESS FROM NODE 939.09 TO NODE 939.10 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 310.00 DOWNSTREAM NODE ELEVATION = 255.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 680.00 CHANNEL BASE(FEET) = .OO "Z" FACTOR = 20.000 MA"1NGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 71.36 FLOW VELOCITY (FEET/SEC) = 5.56 FLOW DEPTH(FEET) = .80 TRAVEL TIME(M1N.) = 2.04 TC(M1N.) = 21.13 ............................................................................ ............................................................................ ............................................................................ 100 YEAR RAINFALL INTENSITYIINCH/HOUR) = 2.912 ~ ~~ ~ SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 - SUBAREA AREA(ACRES) = 14.60 SUBAREA RUNOFF(CFS) = 23.39 TOTAL AREA(ACRES) = 54.00 TOTAL RUNOFF(CFS) = 94.74 TC(M1N) = 21.13 ............................................................................ FLOW PROCESS FROM NODE 939.10 TO NODE 939.06 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 255.00 DOWNSTREAM NODE ELEVATION = 180.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1440.00 CHANNEL BASE(FEET) = .OO llZ" FACTOR = 20.000 MA"1NGS FACTOR = .040 MAXIMUM DEF?L"(FEET) = 10.00 FLOW VELOCITY (FEET/SEC) = 5.17 FLOW DEPTH(FEET) = .96 TRAVEL TIME(M1N.) = 4.64 TC(M1N.) = 25.77 ............................................................................ -____-_-_------------------------------------------------------------------- -__--__--------------------------------------------------------------------- CHANNEL FLOW THRU SUBAREA(CFS) = 94.74 ............................................................................ FLOW PROCESS FROM NODE 939.06 TO NODE 939.06 IS CODE = 8 >>>>>ADDITION OF SUBAREA $0 MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ ............................................................................ - 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.562 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 35.20 SUBAREA RUNOFF(CFS) = 49.60 TOTAL AREA(ACRES) = 89.20 TOTAL RUNOFF(CFS) = 144.35 TC(M1N) = 25.77 ............................................................................ FLOW PROCESS FROM NODE 939.06 TO NODE 939.06 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(M1NUTES) = 25.77 RAINFALL INTENSITY (INCH./HOUR) = 2.56 TOTAL STREAM AREA (ACRES) = 89.20 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 144.35 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER ( CFS 1 (MIN. ) (INCH/HOUR) ............................................................................ ............................................................................ ____________________-------------------_-_---------------------------------- ............................................................................ 1 101.92 34.06 2.140 2 144.35 25.77 2.562 - RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARI0U.S CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: TOTAL AREA(ACRES) = 168.40 222.49 229.48 - RUNOFF(CFS) = 229.48 TIME(M1NUTES) = 25.765 ............................................................................ FLOW PROCESS FROM NODE 939.06 TO NODE 939.11 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 180.00 DOWNSTREAM NODE ELEVATION = 171.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1070.00 CHANNEL BASE(FEET) = .OO "2" FACTOR = 50.000 MA"1NGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 229.48 FLOW VELOCITY (FEET/SEC) = 2.53 FLOW DEP!CH(FEET) = 1.35 TRAVEL TIME(M1N.) = 7.06 TC(M1N.) = 32.82 ............................................................................ ............................................................................ ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 939.11 TO NODE 939.11 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ ............................................................................ -. 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.192 *USER SPECIFIED (SUBAREA) : SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5300 SUBAREA AREA(ACRES) = 26.90 SUBAREA RUNOFF(CFS) = 31.25 TOTAL AREA(ACRES) = 195.30 TOTAL RUNOFF(CFS) = 260.73 TC(M1N) = 32.82 ............................................................................ FLOW PROCESS FROM NODE 939.11 TO NODE 939.11 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< ............................................................................ ......................... ............................................................................... CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 32.82 RAINFALL INTENSITY (INCH./HOUR) = 2.19 TOTAL STREAM AREA (ACRES) = 195.30 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 260.73 FLOW PROCESS FROM NODE 939.12 TO NODE 939.13 IS CODE = 7 >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<<< USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(M1N) = 19.00 RAIN INTENSITY(INCH/HOUR) = 3.12 TOTAL AREA(ACRES) = 11.30 TOTAL RUNOFF(CFS) = 19.89 Tc = 1.811.1 - C1(L\-1/2 ............................................................................ ............................................................................ ............................................................................ ............................................................................ - c = .55 L(FT) = 780 S = 8.97% [S (100) 3 -1/3 ............................................................................ - FLOW PROCESS FROM NODE 939.13 TO NODE 939.14 IS CODE = 6 ........................................................................... >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< UPSTREAM ELEVATION = 375.00 DOWNSTREAM ELEVATION = 340.00 STREET LENGTH(FEET) = 430.00 CURB HEIGTH(1NCHES) = 6. STREET HALFWIDTH(FEET) = 20.00 STREET CROSSFALL(DEC1MAL) = .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 28.03 STREET FLOWDEPTH(FEET) = .39 HALFSTREET FLOODWIDTH(FEET) = 13.35 PRODUCT OF DEPTH&VEMCITY = 2.90 __________-__-_---_--------------------------------------------------------- ___________________--------------------------------------------------------- AVERAGE FLOW VELOCITY(FEET/SEC.) = 7.37 STREETFLOW TRAVELTIME (MIN) = .97 TC(M1N) = 19.97 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.020 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 9.80 SUBAREA RUNOFF(CFS) = 16.28 SUMMED AREA(ACRES) = 21.10 TOTAL RUNOFF(CFS) = 36.17 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .42 HALFSTREET FLOODWIDTH(FEET) = 14.51 FLOW VELQCITY(FEET/SEC.) = 8.13 DEPTH*VELOCITY = 3.39 ............................................................................ FLOW PROCESS FROM NODE 939.14 TO NODE 939.15 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 340.00 DOWNSTREAM NODE ELEVATION = 275.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 520.00 CHANNEL BASE(FEET) = .OO IIZ" FACTOR = 20.000 MA"1NGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 36.17 TRAVEL TIME(M1N.) = 1.54 TC(M1N.) = 21.51 -~ ........................................................................... -____________-__________________________------------------------------------ _-----_______--------------------------------------------------------------- FLOW VELoCITY(FEET/SEC) = 5.64 FLOW DEPTH(FEET) = .57 ............................................................................ FLOW PROCESS FROM NODE 939.15 TO NODE 939.15 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ -----_____----_---_--------------------------------------------------------- ---_______-_--_____--------------------------------------------------------- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.879 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 9.10 SUBAREA RUNOFF(CFS) = 14.41 TOTAL AREA(ACRES) = 30.20 TOTAL RUNOFF(CFS) = 50.57 - TC(M1N) = 21.51 17-4 A ............................................................................ . FLOW PROCESS FROM NODE 939.15 TO NODE 939.11 IS CODE = 5 ........................................................................... >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 275.00 DOWNSTREAM NODE ELEVATION = 171.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1800.00 CHANNEL BASE(FEET) = .OO qlZ1l FACTOR = 18.000 MA"1NGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 50.57 FLOW VELOCITY (FEET/SEC) = 4.84 FLOW DEPTH (FEET) = .76 TRAVEL TIME(M1N.) = 6.20 TC(M1N.) = 27.70 ............................................................................ ___________________--------------------------------------------------------- ............................................................................ FLOW PROCESS FROM NODE 939.11 TO NODE 939.11 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ .......................................... 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.445 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 28.30 SUBAREA RUNOFF(CFS) = 38.06 TOTAL AREA(ACRES) = 58.50 TOTAL RUNOFF(CFS) = 88.63 TC(M1N) = 27.70 - ............................................................................ FLOW PROCESS FROM NODE 939.11 TO NODE 939.11 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< ............................................................................ ............................................................................ ____--______________-------------------------------------------------------- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(M1NUTES) = 27.70 RAINFALL INTENSITY (INCH./HOUR) = 2.45 TOTAL STREAM AREA (ACRES) = 58.50 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 88.63 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER ( CFS ) (MIN.) (INCH/HOUR) ............................................................................ 1 260.73 32.82 2.192 2 88.63 27.70 2.445 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: TOTAL AREA(ACRES) = 253.80 340.18 322.36 - RUNOFF(CFS) = 340.18 TIME(M1NUTES) = 32.822 ............................................................................ FLOW PROCESS FROM NODE 939.11 TO NODE 939.16 IS CODE = 5 ............................................................................ - >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 171.00 DOWNSTREAM NODE ELEVATION = 127.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1100.00 CHANNEL BASE(FEET) = .OO "Z" FACTOR = 50.000 MA"1NGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 340.18 FLOW VELOCITY (FEET/SEC) = 5.12 FLOW DEPTH(FEET) = 1.15 TRAVEL TIME(M1N.) = 3.58 TC(M1N.) = 36.40 ___________________-____________________------------------------------------ ________________________________________------------------------------------ ............................................................................ FLOW PROCESS FROM NODE 933.16 TO NODE 933.16 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ________________________________________------------------------------------ ________________________________________------------------------------------ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.050 *USER SPECIFIED (SUBAREA) : SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5400 SUBAREA AREA(ACRES) = 84.00 SUBAREA RUNOFF(CFS) = 93.00 TOTAL AREA(ACRES) = 337.80 TOTAL RUNOFF(CFS) = 433.18 TC(M1N) = 36.40 r- ........................................................................... FLOW PROCESS FROM NODE 933.16 TO NODE 933.17 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 127.00 DOWNSTREAM NODE ELEVATION = 113.00 CHANNEL BASE(FEET) = .OO "2" FACTOR = 50.000 MA"1NGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 433.18 FLOW VELOCITY (FEET/SEC) = 4.04 FLOW DEPTH(FEET) = 1.46 TRAVEL TIME(M1N.) = 3.10 TC(M1N.) = 39.50 ............................................................................ --_________________--------------------------------------------------------- ________________________________________------------------------------------ 'CHANNEL LENGTH THRU SUBAREA(FEET) = 750.00 ............................................................................ FLOW PROCESS FROM NODE 933.17 TO NODE 933.17 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ -------____________--------------------------------------------------------- ------_____________--------------------------------------------------------- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 1.945 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 52.00 SUBAREA RUNOFF(CFS) = 55.63 TOTAL AREA(ACRES) = 389.80 TOTAL RUNOFF(CFS) = 488.81 TC(M1N) = 39.50 ............................................................................ FLOW PROCESS FROM NODE 933.17 TO NODE 933.18 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 113.00 DOWNSTREAM NODE ELEVATION = 98.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 870.00 CHANNEL BASE(FEET) = .OO aZ" FACTOR = 56.000 MA"1NGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CPS) = 488.81 FLOW VELOCITY(FEET/SEC) = 4.07 FLOW DEPTH(FEET) = 1.46 TRAVEL TIME(M1N.) = 3.56 TC(M1N.) = 43.06 ............................................................................ - .............................................................................. ............................. ............................................................................ FLOW PROCE5S FROM NODE 933.18 TO NODE 933.18 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ------------5==------------------------------------------------------------- ------------ ________________________________________--------------------- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 1.840 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 5.60 SUBAREA RUNOFF(CFS) = 5.67 TOTAL AREA(ACRES) = 395.40 TOTAL RUNOFF(CFS) = 494.48 TC(M1N) = 43.06 - ........................................................................... FLOW PROCESS FROM NODE 933.18 TO NODE 933.18 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< ............................................................................ ________________________________________------------------------------------ _---------__--------____________________------------------------------------ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 43.06 RAINFALL INTENSITY (INCH./HOUR) = 1.84 TOTAL STREAM AREA (ACRES) = 395.40 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 494.48 LINE IWJ" ............................................................................ FLOW PROCESS FROM NODE 933.19 TO NODE 933.20 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 ............................................................................ --------____-----_______________________----------------------------------_- _----________--_________________________------------------------------------ INITIAL SUBAREA FLOW-LENGTH(FEET) = 800.00 UPSTREAM ELEVATION = 317.00 DOWNSTREAM ELEVATION = 300.00 ELEVATION DIFFERENCE = 17.00 URBAN SUBAREA OVERLAND TIME OF FLOW(M1NUTES) = 24.021 *CAUTION: SUBAREA FLOWLENGTH EXCEEDS COUNTY NOMOGRAPH DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED. 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.681 SUBAREA RUNOFF(CFS) = 9.44 TOTAL 'AREA(ACRES) = 6.40 TOTAL RUNOFF(CFS) = 9.44 .............................................................................. FLOW PROCESS FROM NODE 933.20 TO NODE 933.21 IS CODE = 6 >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< UPSTREAM ELEVATION = 300.00 DOWNSTREAM ELEVATION = 220.00 STREET LENGTH(FEET) = 650.00 CURB HEIGTH(1NCHES) = 6. STREET HALFWIDTH(FEET) = 20.00 STREET CROSSFALL(DEC1MAL) = .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 21.11 STREET FLOWDEPTH(FEET) = .35 HALFSTREET FLOODWIDTH(FEET) = 11.04 AVERAGE FLOW VELOCITY (FEET/SEC. ) = 7.90 PRODUCT OF DEF'l"&VELOCITY = 2.74 ............................................................................ _______________-__---------------------------------------------------------- ___________________-____________________------------------------------------ STREETFLOW TRAVELTIME(M1N) = 1.37 TC(M1N) = 25.39 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.586 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 16.40 SUBAREA RUNOFF(CFS) = 23.33 SUMMED AREA(ACRES) = 22.80 TOTAL RUNOFF(CFS) = 32.77 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH (FEET) = .38 HALFSTREET FLOODWIDTH (FEET) = 12.77 FLOW VELOCITY(FEET/SEC.) = 9.36 DEPTH*VELOCITY = 3.57 -. ........................................................................... FLOW PROCESS FROM NODE 933.21 TO NODE 933.22 IS CODE = 3 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IN 21.0 INCH PIPE IS 15.2 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 17.5 UPSTREAM NODE ELEVATION = 220.00 DOWNSTREAM NODE ELEVATION = 166.00 FLOWLENGTH(FEET) = 1080.00 MA"1NGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 21.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 32.77 TRAVEL TIME(M1N.) = 1.03 TC(M1N.) = 26.42 ............................................................................ ________________________________________------------------------------------ -_--_______________--------------------------------------------------------- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.521 SOIL CLASSIFICATION IS 'ID" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA/ACRES) = 56.20 SUBAREA RUNOFFfCFSl = 77.93 -I -- TOTAL AREA(ACRES) = 79.00 TOTAL RUNOFF(CFSj = 110.69 TC(M1N) = 26.42 ............................................................................ FLOW PROCESS FROM NODE 933.22 TO NODE 933.18 IS CODE = 3 IIDJII >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IN 33.0 INCH PIPE IS 26.6 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 21.6 UPSTREAM NODE ELEVATION = 166.00 DOWNSTREAM NODE ELEVATION = 98.00 FLOWLENGTH(FEET) = 1680.00 MA"1NGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 33.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 110.69 TRAVEL TIME(M1N.) = 1.30 TC(M1N.) = 27.72 ____--_-__-__--_------------------------------------__---------------------- _____---------__-------------------------------------_---------------------- ............................................................................ FLOW PROCESS FROM NODE 933.18 TO NODE 933.18 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ________________________________________------------------------------------ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.444 SOIL CLASSIFICATION IS I'D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 24.30 SUBAREA RUNOFF(CFS) = 32.67 TOTAL AREA(ACRES) = 103.30 TOTAL RUNOFF(CFS) = 143.36 TC(M1N) = 27.72 - ............................................................................ FLOW PROCESS FROM NODE 933.18 TO NODE 933.18 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< ............................................................................ ............................................................................ -----_---__--_--_--_-------_------__-------------_-----------_-_--_--------- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(M1NUTES) = 27.72 RAINFALL INTENSITY (INCH./HOUR) = 2.44 TOTAL STREAM AREA (ACRES) = 103.30 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 143.36 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN. ) (INCH/HOUR) ............................................................................ 1 494.48 43.06 1.840 2 143.36 27.72 2.444 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 602.38 TIME (MINUTES) = 43.061 602.38 515.53 - TOTAL AREA(ACRES) = 498.70 ............................................................................. FLOW PROCESS FROM NODE 933.18 TO NODE 943.07 IS CODE = 5 ............................................................................ - >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 98.00 DOWNSTREAM NODE ELEVATION = 95.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 230.00 CHANNEL BASE(FEET) = .OO "Z" FACTOR = 50.000 MA"1NGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 602.38 FLOW VELOCITY(FEET/SEC) = 3.81 FLOW DEPTH(FEET) = 1.78 TRAVEL TIME(M1N.) = 1.01 TC(M1N.) = 44.07 ............................................................................ ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 943.07 TO NODE 943.07 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< ............................................................................ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 44.07 RAINFALL INTENSITY (INCH./HOUR) = 1.81 TOTAL STREAM AREA (ACRES) = 498.70 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 602.38 ............................................................................ - FLOW PROCESS FROM NODE 943.07 TO NODE 943.07 IS CODE = 7 >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<<< USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(M1N) = 64.82 RAIN INTENSITY(INCH/HOUR) = 1.41 TOTAL AREA(ACRES) = 2047.55 TOTAL RUNOFF(CFS) = 1945.28 * PREVIOUSLY COMPUTED FLOW ........................................................................... ............................................................................ ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 943.07 TO NODE 943.07 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< ............................................................................ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(M1NUTES) = 64.82 RAINFALL INTENSITY (INCH./HOUR) = 1.41 TOTAL STREAM AREA (ACRES) = 2047.55 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 1945.28 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER ( CFS ) (MIN.) (INCH/HOUR) ............................................................................ -1 602.38 44.07 1.813 2 1945.28 64.82 1.413 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 2119.00 2414.92 ' - COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 2414.92 TIME(M1NUTES) = 64.820 TOTAL AREA(ACRES) = 2546.25 UPSTREAM NODE ELEVATION = 95.00 DOWNSTREAM NODE ELEVATION = 90.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 600.00 CHANNEL BASE(FEET) = .OO "2" FACTOR = 12.000 MA"1NGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 2414.92 FLOW VELOCITY(FEET/SEC) = 6.68 FLOW DEPTH(FEET) = 5.49 TRAVEL TIME(M1N.) = 1.50 TC(M1N.) = 66.32 ............................................................................ FLOW PROCESS FROM NODE 932.01 TO NODE 932.01 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ ............................................................................ - 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 1.392 *USER SPECIFIED(SUBAREA): SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5200 SUBAREA AREA(ACRES) = 22.60 SUBAREA RUNOFF(CFS) = 16.36 TOTAL AREA(ACRES) = 2568.85 TOTAL RUNOFF(CFS) = 2431.28 TC(M1N) = 66.32 ............................................................................ FLOW PROCESS FROM NODE 932.01 TO NODE 932.01 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 66.32 RAINFALL INTENSITY (INCH./HOUR) = 1.39 TOTAL STREAM AREA (ACRES) = 2568.85 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 2431.28 ............................................................................ ............................................................................ ............................................................................ UPSTREAM ELEVATION = 360.00 DOWNSTREAM ELEVATION = 338.00 ELEVATION DIFFERENCE = 22.00 *CAUTION: SUBAREA SLOPE EXCEEDS COUNTY NOMOGRAPH - URBAN SUBAREA OVERLAND TIME OF FLOW(M1NUTES) = 23.935 DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED. NOMOGRAPH DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED. *CAUTION: SUBAREA FLOWLENGTH EXCEEDS COUNTY 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.687 SUBAREA RUNOFF (CFS) = 15.66 TOTAL AREA(ACRES) = 10.60 TOTAL RUNOFF(CFS) = 15.66 ............................................................................ FLOW PROCESS FROM NODE 932.03 TO NODE 932.04 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< ............................................................................ >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FMW IN 18.0 INCH PIPE IS 9.6 INCHES PIPEFLOW VEMCITY(FEET/SEC.) = 16.3 UPSTREAM NODE ELEVATION = 338.00 DOWNSTREAM NODE ELEVATION = 329.00 FMWLENGTH(FEET) = 140.00 MA"1NGS N = -012 GIVEN PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 15.66 TRAVEL TIME(M1N.) = .14 TC(M1N.) = 24.08 ............................................................................ ............................................................................ - ........................................................................... FLOW PROCESS FROM NODE 932.04 TO NODE 932.05 IS CODE = 3 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< ESTIMATED PIPE DIAMETER(1NCH) INCREASED TO 18.000 DEPTH OF FMW IN 18.0 INCH PIPE IS 7.3 INCHES PIPEFMW VELOCITY(FEET/SEC.) = 23.1 UPSTREAM NODE ELEVATION = 329.00 DOWNSTREAM NODE ELEVATION = 205.00 FLOWLENGTH(FEET) = 760.00 MA"1NGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 PIPEFMW THRU StJBAREA(CFS) = 15.66 TRAVEL TIME(M1N.) = .55 TC(M1N.) = 24.63 ............................................................................ ------------ ............................................................................ .............................................................................. FLOW PROCESS FROM NODE 932.05 TO NODE 932.05 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................. .............................................................................. 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.638 - SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SOIL CLASSIFICATION IS "D" SUBAREA AREA(ACRES) = 17.30 SUBAREA RUNOFF(CFS) = 25.10 TOTAL AREA(ACRES) = 27.90 TOTAL RUNOFF(CFS) = 40.77 TC(M1N) = 24.63 - ............................................................................ FLOW PROCESS FROM NODE 932.05 TO NODE 932.01 IS CODE = 3 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< ............................................................................ >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IN 24.0 INCH PIPE IS 15.1 INCHES PIPEFLQW VELOCITY(FEET/SEC.) = 19.6 UPSTREAM NODE ELEVATION = 205.00 DOWNSTREAM NODE ELEVATION = 90.00 FLOWLENGTH(FEET) = 2050.00 MA”1NGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 40.77 TRAVEL TIME(M1N.) = 1.74 TC(M1N.) = 26.37 _______--------------------------------------------------------------------- ---------------___ ............................................................................ FLOW PROCESS FROM NODE 932.01 TO NODE 932.01 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< ............................................................................ ............................................................................ ............................................................................ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(M1NUTES) = 26.37 RAINFALL INTENSITY (INCH./HOUR) = 2.52 TOTAL STREAM AREA (ACRES) = 78.00 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 106.53 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN. ) (INCH/HOUR) ............................................................................ 1 2431.28 66.32 1.392 2 106.53 26.37 2.524 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 2490.05 1447.73 -- COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 2490.05 TIME(M1NUTES) = 66.317 TOTAL AREA(ACRES) = 2646.85 UPSTREAM NODE ELEVATION = 90.00 DOWNSTREAM NODE ELEVATION = 82.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 950.00 CHANNEL BASE(FEET) = .OO "2" FACTOR = 15.000 MA"1NGS FACTOR = .040 MAXIMUM DEETH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 2490.05 FLOW VELOCITY (FEET/SEC) = 6.39 FLOW DEPTH( FEET) = 5.10 TRAVEL TIME(M1N.) = 2.48 TC(M1N.) = 68.80 ............................................................................ FLOW PROCESS FROM NODE 932.07 TO NODE 932.07 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ _________-_----------------------------------------------------------------- -----------_-----_---------------------------------------------------------- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 1.360 *USER SPECIFIED(SUBAREA): SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5400 SUBAREA AREA(ACRES) = 51.20 SUBAREA RUNOFF(CFS) = 37.60 TOTAL AREA(ACRES) = 2698.05 TOTAL RUNOFF(CFS) = 2527.65 TC(M1N) = 68.80 - ............................................................................ FLOW PROCESS FROM NODE 932.07 TO NODE 932.08 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< ............................................................................ UPSTREAM NODE ELEVATION = 82.00 DOWNSTREAM NODE ELEVATION = 73.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 670.00 CHANNEL BASE(FEET) = .OO "2" FACTOR = 25.000 MA"1NGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 2527.65 FLOW VELOCITY(FEET/SEC) = 6.69 FLOW DEF"l"(FEET) = 3.89 TRAVEL TIME(M1N.) = 1.67 TC(M1N.) = 70.46 ............................................................................ FLOW PROCESS FROM NODE 932.08 TO NODE 932.08 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 1.339 *USER SPECIFIED(SUBAREA): SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5300 TOTAL AREA(ACRES) = 2726.35 TOTAL RUNOFF(CFS) = 2547.73 TC(M1N) = 70.46 .- SUBAREA AREA(ACRES) = 28.30 SUBAREA RUNOFF(CFS) = 20.08 ............................................................................ - FLOW PROCESS FROM NODE 932.08 TO NODE 932.09 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< ........................................................................... UPSTREAM NODE ELEVATION = 73.00 DOWNSTREAM NODE ELEVATION = 68.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 500.00 CHANNEL BASE(FEET) = .OO IIZ” FACTOR = 30.000 MA”1NGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 2547.73 FLOW VELOCITY(FEET/SEC) = 5.74 FLOW DEPTH(FEET) = 3.85 TRAVEL TIME(M1N.) = 1.45 TC(M1N.) = 71.92 ............................................................................ FLOW PROCESS FROM NODE 932.09 TO NODE 932.09 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ -------________-_----------------------------------------------------------- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 1.322 *USER SPECIFIED(SUBAREA): SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5400 SUBAREA AREA(ACRES) = 24.30 SUBAREA RUNOFF(CFS) = 17.34 TOTAL AREA(ACRES) = 2750.65 TOTAL RUNOFF(CFS) = 2565.07 - TC(M1N) = 71.92 ............................................................................ FLOW PROCESS FROM NODE 932.09 TO NODE 932.10 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< ............................................................................ UPSTREAM NODE ELEVATION = 68.00 DOWNSTREAM NODE ELEVATION = 63.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 570.00 CHANNEL BASE (FEET) = .OO ‘lZ1l FACTOR = 80.000 MA”1NGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 2565.07 FLOW VELOCITY(FEET/SEC) = 4.23 FLOW DEPTH(FEET) = 2.75 TRAVEL TIME(M1N.) = 2.25 TC(M1N.) = 74.16 ............................................................................ FLOW PROCESS FROM NODE 932.10 TO NODE 932.10 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ------- ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 1.296 -~ *USER SPECIFIED(SUBAREA): SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5200 SUBAREA AREA(ACRES) = 37.00 SUBAREA RUNOFF(CFS) = 24.93 TOTAL AREA(ACRES) = 2787.65 TOTAL RUNOFF(CFS) = 2590.00 TC(M1N) = 74.16 ............................................................................ FLOW PROCESS FROM NODE 932.10 TO NODE 932.11 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 63.00 DOWNSTREAM NODE ELEVATION = 51.50 CHANNEL LENGTH THRU SUBAREA(FEET) = 520.00 CHANNEL BASE(FEET) = .OO "2" FACTOR = 60.000 MA"1NGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 2590.00 FLOW VELOCITY(FEET/SEC) = 6.59 FLOW DEF'l"(FEET) = 2.56 TRAVEL TIME(M1N.) = 1.31 TC(M1N.) = 75.48 ............................................................................ ............................................................................ ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 932.11 TO NODE 932.11 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ~~~~~~~ ~ ~ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 1.281 *USER SPECIFIED (SUBAREA) : SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5200 SUBAREA AREA(ACRES) = 23.60 SUBAREA RUNOFF(CFS) = 15.72 TC(M1N) = 75.48 - TOTAL AREA(ACRES) = 2811.25 TOTAL RUNOFF(CFS) = 2605.72 LINE "DI" ............................................................................ FLOW PROCESS FROM NODE 933.01 TO NODE 933.02 IS CODE = 7 ............................................................................ >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<<< USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(M1N) = 19.00 RAIN INTENSITY(INCH/HOUR) = 3.12 TOTAL AREA(ACRES) = 10.47 TOTAL RUNOFF(CFS) = 18.42 c = .55 L(FT) = 620 S = 7.18% ............................................................................ ............................................................................ Tc = 1.8(1.1 - C)(L)-1/2 [S(lOO) 1-1/3 ............................................................................ FLOW PROCESS FROM NODE 933.02 TO NODE 933.05 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 24.0 INCH PIPE IS 15.8 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 8.4 UPSTREAM NODE ELEVATION = 323.50 DOWNSTREAM NODE ELEVATION = 322.00 FLOWLENGTH(FEET) = 150.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 18.42 ________________________________________------------------------------------ ............................................................................ ............................................................................ ~~ TRAVEL TIME(M1N.) = .30 TC(M1N.) = 19.30 ............................................................................ FLOW PROCESS FROM NODE 933.05 TO NODE 933.05 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 19.30 RAINFALL INTENSITY (INCH./HOUR) = 3.09 TOTAL STREAM AREA (ACRES) = 10.47 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 18.42 ............................................................................ ______----____---_---------------------------------------------------------- ............................................................................ .. TC = L.8f1.1 - ClfLlA1/2 [S(lOO) 3 -1/3 ............................................................................ - FLOW PROCESS FROM NODE 933.07 TO NODE 933.05 IS CODE = 6 .......................................................................... >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< UPSTREAM ELEVATION = 375.00 DOWNSTREAM ELEVATION = 322.00 STREET LENGTH(FEET) = 440.00 CURB HEIGTH(1NCHES) = 6. STREET HALFWIDTH(FEET) = 20.00 STREET CROSSFALL(DEC1MAL) = .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 10.86 STREET FLOWDEPTH(FEET) = .29 HALFSTREET FLOODWIDTH(FEET) = 8.15 AVERAGE FLOW VELOCITY(FEET/SEC.) = 6.94 PRODUCT OF DEPTH&VELOCITY = 2.01 _________-__---_-__-____________________------------------------------------ ............................................................................ STREETFLOW TRAVELTIME(M1N) = 1.06 TC(M1N) = 27.06 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.483 SOIL CLASSIFICATION IS 'ID" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 2.50 SUBAREA RUNOFF(CFS) = 3.41 SUMMED AREA(ACRES) = 8.90 TOTAL RUNOFF(CFS) = 12.56 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .30 HALFSTREET FLOODWIDTH(FEET) = 8.73 FLOW VELOCITY(FEET/SEC.) = 7.14 DEPTH*VELOCITY = 2.15 ...................................................................... -- FLOW PROCESS FROM NODE 933.05 TO NODE 933.05 IS CODE = 1 * *** ........................................................................... >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< CONFLUENCE VALUES USED FOR 1NDEPENDENT.STREAM 2 ARE: RAINFALL INTENSITY (INCH./HOUR) = 2.48 TOTAL STREAM AREA (ACRES) = 8.90 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 12.56 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN. ) (INCH/HOUR) ________________________________________------------------------------------ --___-_______-------____________________------------------------------------ - TIME OF CONCENTRATION(M1NUTES) = 27.06 ............................................................................ 1 18.42 19.30 3.087 2 12.56 27.06 2.483 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 28.52 27.38 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 28.52 TIME (MINUTES) = 19.298 TOTAL AREA (ACRES) = 19.37 ............................................................................ FLOW PROCESS FROM NODE 933.05 TO NODE 933.03 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 24.0 INCH PIPE IS 10.3 INCHES PIPEFMW VELOCITY(FEET/SEC.) = 22.1 UPSTREAM NODE ELEVATION = 322.00 DOWNSTREAM NODE ELEVATION = 290.00 FLOWLENGTH(FEET) = 330.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 28.52 TRAVEL TIME(M1N.) = .25 TC(M1N.) = 19.55 ............................................................................ ............................................................................ ............................................................................ - ............................................................................ FLOW PROCESS FROM NODE 933.03 TO NODE 933.03 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ________________________________________------------------------------------ -------____________--------------------------------------------------------- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.062 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 3.00 SUBAREA RUNOFF(CFS) = 5.05 TOTAL AREA(ACRES) = 22.37 TOTAL RUNOFF(CFS) = 33.58 TC(M1N) = 19.55 ............................................................................ FLOW PROCESS FROM NODE 933.03 TO NODE 933.04 IS CODE = 3 ........................................................................... >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< ............................................................................ -- DEPTH OF FLOW IN 21.0 INCH PIPE IS 12.8 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 21.8 UPSTREAM NODE ELEVATION = 290.00 DOWNSTREAM NODE ELEVATION = 186.00 FLOWLENGTH(FEET) = 1230.00 MANNINGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 21.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 33.58 TRAVEL TIME (MIN. ) = .94 TC(M1N.) = 20.49 ............................................................................ FLOW PROCESS FROM NODE 933.04 TO NODE 933.04 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.971 SOIL CLASSIFICATION IS “D” SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 16.30 SUBAREA RUNOFF(CFS) = 26.63 TOTAL AREA(ACRES) = 38.67 TOTAL RUNOFF(CFS) = 60.21 TC(M1N) = 20.49 ............................................................................ FLOW PROCESS FROM NODE 934.10 TO NODE 934.11 IS CODE = 7 >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<<< USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(M1N) = 15.80 RAIN INTENSITY(INCH/HOUR) = 3.51 TOTAL AREA(ACRES) = 2.50 TOTAL RUNOFF(CFS) = 4.37 c = .55 L(FT) = 500 s = 12% * ............................................................................ - ........................................................................... .. TC = 1.8(1.1 - C)ILl^1/2 [S(100)]*1/3 ............................................................................ FLOW PROCESS FROM NODE 934.11 TO NODE 934.12 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 18.0 INCH PIPE IS 4.8 INCHES PIPEFLOW VEMCITY (FEET/SEC. ) = 11.6 UPSTREAM NODE ELEVATION = 405.80 DOWNSTREAM NODE ELEVATION = 400.00 FLOWLENGTH (FEET) = 90.00 MA”1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 TRAVEL TIME(M1N.) = .13 TC(M1N.) = 15.93 ............................................................................ ............................................................................ _---------__-_-------------__----------------------------------------------- PIPEFLOW THRU SUBAREA(CFS) = 4.37 ............................................................................ FMW PROCESS FROM NODE 934.12 TO NODE 934.13 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< ............................................................................ -__________________--------------------------------------------------------- ___________________--------------------------------------------------------- DEPTH OF FLOW IN 18.0 INCH PIPE IS 5.6 INCHES -~ PIPEFLOW VELOCITY(FEET/SEC.) = 9.4 UPSTREAM NODE ELEVATION = 400.00 DOWNSTREAM NODE ELEVATION = 389.30 FLOWLENGTH(FEET) = 300.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 TRAVEL TIME(M1N.) = .53 TC(M1N.) = 16.46 PIPEFLOW THRU SUBAREA(CFS) = 4.37 ............................................................................ FLOW PROCESS FROM NODE 934.13 TO NODE 934.13 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ________________________________________------------------------------------ ________________________________________------------------------------------ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.420 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 3.30 SUBAREA RUNOFF(CFS) = 6.21 TOTAL AREA (ACRES) = 5.80 TOTAL RUNOFF(CFS) = 10.58 TC(M1N) = 16.46 ............................................................................ FLOW PROCESS FROM NODE 934.13 TO NODE 934.14 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< ............................................................................ ~ >>>>>USING USER-SPECIFIED PIPESIZE<<<<< ........................................................................... ........................................................................... DEPTH OF FLOW IN 24.0 INCH PIPE IS 10.6 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 7.9 UPSTREAM NODE ELEVATION = 389.30 DOWNSTREAM NODE ELEVATION = 384.56 FLOWLENGTH(FEET) = 390.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 10.58 TRAVEL TIME(M1N.) = .82 TC(M1N.) = 17.28 ............................................................................ FLOW PROCESS FROM NODE 934.14 TO NODE 934.14 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< ............................................................................ ............................................................................ ............................................................................ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 17.28 RAINFALL INTENSITY (INCH./HOUR) = 3.31 TOTAL STREAM AREA (ACRES) = 5.80 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 10.58 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION INITIAL SUBAREA FLOW-LENGTH(FEET) = 110.00 UPSTREAM ELEVATION = 465.00 DOWNSTREAM ELEVATION = 410.00 ELEVATION DIFFERENCE = 55.00 - WITH 10-MINUTES ADDED = 10.38(MINUTES) 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.605 SUBAREA RUNOFF(CFS) = 17.73 TOTAL AREA(ACRES) = 7.00 TOTAL RUNOFF(CFS) = 17.73 ............................................................................ FLOW PROCESS FROM NODE 933.16 TO NODE 933.14 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 18.0 INCH PIPE IS 7.1 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 27.1 UPSTREAM NODE ELEVATION = 410.00 DOWNSTREAM NODE ELEVATION = 384.56 FLOWLENGTH(FEET) = 110.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 17.73 TRAVEL TIME (MIN. ) = .07 TC(M1N.) = 10.45 ............................................................................ ________________________________________----_-------_----------------------- ____________________-------__---------------_------------------------------- - ........................................................................... FLOW PROCESS FROM NODE 933.14 TO NODE 933.14 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< ............................................................................ -______________--_-_--__---------------------------------------------------- _________-______________________________------------------------------------ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(M1NUTES) = 10.45 RAINFALL INTENSITY (INCH./HOUR) = 4.59 TOTAL STREAM AREA (ACRES) = 7.00 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 17.73 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER ( CFS 1 (MIN. ) (INCH/HOUR) ............................................................................ 1 10.58 17.28 3.315 2 17.73 10.45 4.586 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 25.38 TIME(M1NUTES) = 10.448 TOTAL AREA(ACRES) = 12.80 23.39 25.38 ............................................................................ FLOW PROCESS FROM NODE 933.14 TO NODE 933.17 IS CODE = 4 ............................................................................ ~- >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 24.0 INCH PIPE IS 10.5 INCHES PIPEFLOW VELoCITY(FEET/SEC.) = 19.1 UPSTREAM NODE ELEVATION = 384.56 DOWNSTREAM NODE ELEVATION = 355.58 FLOWLENGTH(FEET) = 410.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 25.38 TRAVEL TIME(M1N.) = .36 TC(M1N.) = 10.81 ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 933.17 TO NODE 933.17 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.488 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 9.60 SUBAREA RUNOFF(CFS) = 23.69 TOTAL AREA(ACRES) = 22.40 TOTAL RUNOFF(CFS) = 49.07 TC(M1N) = 10.81 - ........................................................................... FLOW PROCESS FROM NODE 933.17 TO NODE 934.09 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 24.0 INCH PIPE IS 18.8 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 18.6 UPSTREAM NODE ELEVATION = 355.58 DOWNSTREAM NODE ELEVATION = 334.75 FLOWLENGTH(FEET) = 450.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 49.07 TRAVEL TIME (MIN. ) = * 40 TC(M1N.) = 11.21 ............................................................................ ____________________-------------_---------------_-------------------------- ____________________---_-_-------------------------------------------------- ............................................................................ FLOW PROCESS FROM NODE 934.09 TO NODE 934.09 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.383 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 4.30 SUBAREA RUNOFF(CFS) = 10.37 TOTAL AREA(ACRES) = 26.70 TOTAL RUNOFF(CFS) = 59.44 TC(M1N) = 11.21 ............................................................................ FLOW PROCESS FROM NODE 934.09 TO NODE 934.09 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< - ........................................................................... CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 11.21 RAINFALL INTENSITY (INCH./HOUR) = 4.38 TOTAL STREAM AREA (ACRES) = 26.70 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 59.44 ............................................................................ FLOW PROCESS FROM NODE 944.05 TO NODE 944.06 IS CODE = 7 >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<<< USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(M1N) = 25.00 RAIN INTENSITY(INCH/HOUR) = 2.61 TOTAL AREA(ACRES) = 2.50 TOTAL RUNOFF(CFS) = 3.71 TC = 1.8f1.1 - C)fLl'l/2 ............................................................................ ............................................................................ ............................................................................ c = .55 L(FT) = 800 s = 4.8% [S (100) 3 -1/3 ............................................................................ FLOW PROCESS FROM NODE 944.06 TO NODE 944.07 IS CODE = 6 ............................................................................ - >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< ........................................................................... ........................................................................... UPSTREAM ELEVATION = 407.00 DOWNSTREAM ELEVATION = 352.25 STREET LENGTH(FEET) = 440.00 CURB HEIGTH(1NCHES) = 6. STREET HALFWIDTH(FEET) = 20.00 STREET CROSSFALL(DEC1MAL) = .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 6.78 STREET FLOWDEPTH(FEET) = .25 HALFSTREET FLOODWIDTH(FEET) = 6.41 AVERAGE FLOW VELOCITY(FEET/SEC.) = 6.41 PRODUCT OF DEPTH&VELOCITY = 1.63 STREETFLOW TRAVELTIME(M1N) = 1.14 TC(M1N) = 26.14 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.538 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 4.40 SUBAREA RUNOFF(CFS) = 6.14 SUMMED AREA(ACRES) = 6.90 TOTAL RUNOFF(CFS) = 9.85 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH (FEET) = .28 HALFSTREET FLOODWIDTH (FEET) = 7.57 FLOW VELOCITY(FEET/SEC.) = 7.13 DEPTH*VELOCITY = 1.98 ............................................................................ FLOW PROCESS FROM NODE 944.07 TO NODE 944.08 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 18.0 INCH PIPE IS 9.6 INCHES ............................................................................ ............................................................................ ............................................................................ PIPEFLOW VELOCITY(FEET/SEC.) = 10.2 UPSTREAM NODE ELEVATION = 352.25 DOWNSTREAM NODE ELEVATION = 348.50 FLOWLENGTH(FEET) = 150.00 MANNINGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 9.85 TRAVEL TIME (MIN. ) = .24 TC(M1N.) = 26.39 ............................................................................ FLOW PROCESS FROM NODE 934.08 TO NODE 934.09 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 18.0 INCH PIPE IS 9.6 INCHES PIPEFLOW VELOCITY (FEET/SEC. ) = 10.2 UPSTREAM NODE ELEVATION = 348.50 DOWNSTREAM NODE ELEVATION = 334.75 FLOWLENGTH(FEET) = 550.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 9.85 TRAVEL TIME (MIN. ) = .90 TC(M1N.) = 27.29 ............................................................................ __________________---------------------------------------------------------- _________-------------- ............................................................................ FLOW PROCESS FROM NODE 934.09 TO NODE 934.09 IS CODE = 8 ............................................................................ - >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.469 ........................................................................... SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 4.90 SUBAREA RUNOFF(CFS) = 6.65 TOTAL AREA(ACRES) = 11.80 TOTAL RUNOFF(CFS) = 16.51 TC(M1N) = 27.29 ............................................................................ FLOW PROCESS FROM NODE 934.09 TO NODE 934.09 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(M1NUTES) = 27.29 RAINFALL INTENSITY (INCH./HOUR) = 2.47 TOTAL STREAM AREA (ACRES) = 11.80 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 16.51 ............................................................................ _________________----------------------_-__--------------------------------- _________________________________________----------------------_------------ CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER ( CFS ) (MIN.) (INCH/HOUR) ............................................................................ 1 59.44 11.21 4.383 2 16.51 27.29 2.469 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 68.74 49.99 ~. COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 68.74 TIME(M1NUTES) = 11.209 TOTAL AREA(ACRES) = 38.50 ............................................................................ FLOW PROCESS FROM NODE 934.09 TO NODE 934.18 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 30.0 INCH PIPE IS 23.5 INCHES PIPEFLOW VELOCITY (FEET/SEC.) = 16.7 UPSTREAM NODE ELEVATION = 334.75 DOWNSTREAM NODE ELEVATION = 323.20 FLOWLENGTH(FEET) = 420.00 MANNINGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 30.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 68.74 TRAVEL TIME(M1N.) = .42 TC(M1N.) = 11.63 ............................................................................ ----_----_-__-_--_---------------------------------------------------------- ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 934.18 TO NODE 934.18 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ----_---__-_--_--_---------------------------------------------------------- --_--------__-_-_----------------------------------------------------------- - 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.280 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 10.60 SUBAREA RUNOFF(CFS) = 24.95 TOTAL AREA(ACRES) = 49.10 TOTAL RUNOFF(CFS) = 93.69 TC(M1N) = 11.63 ............................................................................ FLOW PROCESS FROM NODE 934.18 TO NODE 933.19 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 42.0 INCH PIPE IS 30.6 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 12.5 UPSTREAM NODE ELEVATION = 323.20 DOWNSTREAM NODE ELEVATION = 320.00 FLOWLENGTH(FEET) = 320.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 42.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 93.69 TRAVEL TIME(M1N.) = .43 TC(M1N.) = 12.06 ............................................................................ ............................................................................ ............................................................................ ............................................................................ ~ FLOW PROCESS FROM NODE 933.19 TO NODE 933.19 IS CODE = 8 ........................................................................... >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< Of c 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.181 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 9.00 SUBAREA RUNOFF(CFS) = 20.70 TOTAL AREA(ACRES) = 58.10 TOTAL RUNOFF(CFS) = 114.39 TC(M1N) = 12.06 ............................................................................ FLOW PROCESS FROM NODE 933.19 TO NODE 933.04 IS CODE = 3 "DIA" ............................................................................ >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< _____~~~~~~~~~~~~~~ DEPTH OF FLOW IN 27.0 INCH PIPE IS 20.4 INCHES PIPEFLOW VELoCITY(FEET/SEC.) = 35.4 UPSTREAM NODE ELEVATION = 320.00 DOWNSTREAM NODE ELEVATION = 186.00 FLoWLENGTH(FEET) = 930.00 MA"1NGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 27.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 114.39 TRAVEL TIME(M1N.) = .44 TC(M1N.) = 12.49 * PROPOSED 42" RCP ............................................................................ FLOW PROCESS FROM NODE 933.04 TO NODE 933.04 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ________________________________________------------------------------------ - ____________-_-___--------------------------------------------------------- ........................................................................... 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.086 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 10.10 SUBAREA RUNOFF(CFS) = 22.70 TOTAL AREA(ACRES) = 68.20 TOTAL RUNOFF(CFS) = 137.09 TC(M1N) = 12.49 ............................................................................ FLOW PROCESS FROM NODE 933.04 TO NODE 933.04 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 12.49 RAINFALL INTENSITY (INCH./HOUR) = 4.09 TOTAL STREAM AREA (ACRES) = 68.20 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 137.09 ............................................................................ ............................................................................ ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 933.04 TO NODE 933.04 IS CODE = 7 ............................................................................ - >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<<< ........................................................................... ........................................................................... USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(M1N) = 20.49 RAIN INTENSITY(INCH/HOUR) = 2.97 TOTAL AREA(ACRES) = 38.67 TOTAL RUNOFF(CFS) = 60.21 * PREVIOUSLY COMPUTED FLOW _,-- ........................................................................... FLOW PROCESS FROM NODE 933.04 TO NODE 933.04 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(M1NUTES) = 20.49 RAINFALL INTENSITY (INCH./HOUR) = 2.97 TOTAL STREAM AREA (ACRES) = 38.67 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 60.21 ............................................................................ ----___--__-_----------------------------------------------------__--------- -----__--_--_--_---_------------------------_----------------_---_---------_ CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN. ) (INCH/HOUR) ............................................................................ 1 137.09 12.49 4.086 2 60.21 20.49 2.970 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: TOTAL AREA(ACRES) = 106.87 180.85 159.85 RUNOFF (CFS) = 180.85 TIME(M1NUTES) = 12.495 - ............................................................................ FLOW PROCESS FROM NODE 933.04 TO NODE 933.08 IS CODE = 3 IIDIII ............................................................................ >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IN 33.0 INCH PIPE IS 24.3 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 38.6 UPSTREAM NODE ELEVATION = 186.00 DOWNSTREAM NODE ELEVATION = 100.00 FLoWLENGTH(FEET) = 650.00 MANNINGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 33.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 180.85 TRAVEL TIME(M1N.) = .28 TC(M1N.) = 12.77 * PROPOSED 42" RCP ____-----_-__--_---------___---__------------------------------------------- --__----__-__-__------------------------------------------------------------ ............................................................................ FLOW PROCESS FROM NODE 933.08 TO NODE 933.08 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ -----_-----_-__-__-______________________--------------__--------------_---- -_----___-_--__-_--______________________--_------------___----------------- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.028 *USER SPECIFIED(SUBAREA): SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5300 SUBAREA AREA(ACRES) = 9.80 SUBAREA RUNOFF(CFS) = 20.92 TOTAL AREA(ACRES) = 116.67 TOTAL RUNOFF(CFS) = 201.77 TC(M1N) = 12.77 .............................................................................. FLOW PROCESS FROM NODE 933.08 TO NODE 933.09 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 100.00 DOWNSTREAM NODE ELEVATION = 70.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1100.00 CHANNEL BASE(FEET) = .OO "2" FACTOR = 12.000 MA"1NGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 201.77 FLOW VELOCITY(FEET/SEC) = 5.56 FLOW DEPTH(FEET) = 1.74 TRAVEL TIME(M1N.) = 3.29 TC(M1N.) = 16.07 ............................................................................ ............................................................................ _____-------____________________________------------------------------------ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.474 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 27.80 SUBAREA RUNOFF(CFS) = 53.12 TC(M1N) = 16.07 - TOTAL AREA(ACRES) = 144.47 TOTAL RUNOFF(CFS) = 254.89 ............................................................................ FLOW PROCESS FROM NODE 933.09 TO NODE 933.10 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 70.00 DOWNSTREAM NODE ELEVATION = 60.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1000.00 CHANNEL BASE(FEET) = .OO "2" FACTOR = 24.000 MANNINGS FACTOR = .040 MAXIMUM DEFTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 254.89 FLOW VELOCITY(FEET/SEC) = 3.36 FLOW DEFTH(FEET) = 1.78 TRAVEL TIME(M1N.) = 4.96 TC(M1N.) = 21.03 ............................................................................ ------------ ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 933.10 TO NODE 933.10 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.921 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 54.70 SUBAREA RUNOFF(CFS) = 87.88 TOTAL 'AREA(ACRES) = 199.17 TOTAL RUNOFF(CFS) = 342.78 TC(M1N) = 21.03 ,- ........................................................................... FLOW PROCESS FROM NODE 933.10 TO NODE 932.11 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 60.00 DOWNSTREAM NODE ELEVATION = 58.50 CHANNEL LENGTH THRU SUBAREA(FEET) = 480.00 CHANNEL BASE(FEET) = .OO "Z" FACTOR = 25.000 MA"1NGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 342.78 FLOW VELOCITY (FEET/SEC) = 2.38 FLOW DEPTH(FEET) = 2.40 TRAVEL TIME(M1N.) = 3.37 TC(M1N.) = 24.39 ............................................................................ ............................................................................ __________________-_____________________------------------------------------ ............................................................................ FLOW PROCESS FROM NODE 932.11 TO NODE 932.11 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.654 SOIL CLASSIFICATION IS "D!' SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 TOTAL AREA(ACRES) = 210.37 TOTAL RUNOFF(CFS) = 359.12 TC(M1N) = 24.39 - SUBAREA AREA(ACRES) = 11.20 SUBAREA RUNOFF(CFS) = 16.35 ............................................................................ FLOW PROCESS FROM NODE 932.11 TO NODE 932.11 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 24.39 RAINFALL INTENSITY (INCH./HOUR) = 2.65 TOTAL STREAM AREA (ACRES) = 210.37 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 359.12 ............................................................................ ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 932.11 TO NODE 932.11 IS CODE = 7 >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<<< USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(M1N) = 75.48 RAIN INTENSITY(INCH/HOUR) = 1.28 TOTAL AREA(ACRES) = 2811.25 TOTAL RUNOFF(CFS) = 2605.72 * PREVIOUSLY COMPUTED FLOW ............................................................................ ............................................................................ ........................................................................... FLOW PROCESS FROM NODE 932.11 TO NODE 932.11 IS CODE = 1 ............................................................................ >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(M1NUTES) = 75.48 RAINFALL INTENSITY. (INCH. /HOUR) = 1.28 TOTAL STREAM AREA (ACRES) = 2811.25 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 2605.72 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) ___________________--------------------------------------------------------- ............................................................................ 1 359.12 24.39 2.654 2 2605.72 75.48 1.281 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 1616.67 2779.04 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 2779.04 TIME(M1NUTES) = 75.480 TOTAL AREA(ACRES) = 3021.62 ............................................................................ FLOW PROCESS FROM NODE 932.11 TO NODE 930.07 IS CODE = 4 ............................................................................ - >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< PIPEFLOW VELOCITY(FEET/SEC.) = 72.2 UPSTREAM NODE ELEVATION = 58.50 DOWNSTREAM NODE ELEVATION = 57.00 FLOWLENGTH(FEET) = 120.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 84.00 NUMBER OF PIPES = 1 PIPEFLOW TKRU SUBAREA(CFS) = 2779.04 TRAVEL TIME(M1N.) = .03 TC(M1N.) = 75.51 ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 930.07 TO NODE 930.07 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ------_____________-____________________------------------------------------ --______________________________________------------------------------------ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 1.281 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 TOTAL AREA(ACRES) = 3022.62 TOTAL RUNOFF(CFS) = 2779.74 TC(M1N) = 75.51 SUBAREA AREA(ACRES) = 1.00 SUBAREA RUNOFF(CFS) = .70 ............................................................................ . FLOW PROCESS FROM NODE 930.01 TO NODE 930.02 IS CODE = 7 ........................................................................... >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<<< ........................................................................... USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(M1N) = 22.00 RAIN INTENSITY(INCH/HOUR) = 2.84 - TOTAL AREA(ACRES) = 2.2 0 TOTAL RUNOFF (CFS) = 3.45 C = .85 L(FT) = 840 s = 7.7% TC = 1.811.1 - ClfL)*1/2 [S(lOO) 3 ^1/3 ............................................................................ FLOW PROCESS FROM NODE 930.02 TO NODE 930.03 IS CODE = 6 >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< UPSTREAM ELEVATION = 285.00 DOWNSTREAM ELEVATION = 164.70 STREET LENGTH(FEET) = 850.00 CURB HEIGTH(1NCHES) = 6. STREET HALFWIDTH(FEET) = 20.00 STREET CROSSFALL(DEC1MAL) = .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 6.62 STREET FLOWDEPTH (FEET) = .24 HALFSTREET FLOODWIDTH (FEET) = 5.84 AVERAGE FLOW VELOCITY(FEET/SEC.) = 7.21 PRODUCT OF DEPTH&VELOCITY = 1.75 ............................................................................ _________-___--------------------------------------------------------------- ___________________-------------------_------------------------------------- STREETFLOW TRAVELTIME(M1N) = 1.96 TC(M1N) = 23.96 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.685 SOIL CLASSIFICATION IS "D" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8500 SUBAREA AREA(ACRES) = 2.80 SUBAREA RUNOFF(CFS) = 6.39 SUMMED AREA(ACRES) = 5.00 TOTAL RUNOFF(CFS) = 9.84 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH (FEET) = .28 HALFSTREET FLOODWIDTH (FEET) = 7.57 FLOW VELOCITY(FEET/SEC.) = 7.12 DEPTH*VELOCITY = 1.98 - ............................................................................ FLOW PROCESS FROM NODE 930.03 TO NODE 930.04 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 24.0 INCH PIPE IS 6.4 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 14.6 UPSTREAM NODE ELEVATION = 164.70 DOWNSTREAM NODE ELEVATION = 122.70 FLOWLENGTH(FEET) = 600.00 MA"1NGS N = -012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 9.84 TRAVEL TIME(M1N.) = .68 TC(M1N.) = 24.65 ............................................................................ ________________________________________--------------------------_--------- ____________________------------------------___----------------------------- ............................................................................ FLOW PROCESS FROM NODE 930.04 TO NODE 930.05 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< ............................................................................ ~ >>>>>USING USER-SPECIFIED PIPESIZE<<<<< ........................................................................... DEPTH OF FLOW IN 34.0 INCH PIPE IS 5.6 INCHES PIPEFLOW VELOCITY (FEET/SEC. ) = 14.6 UPSTREAM NODE ELEVATION = 122.70 DOWNSTREAM NODE ELEVATION = 91.30 GIVEN PIPE DIAMETER(1NCH) = 34.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 9.84 TRAVEL TIME (MIN. ) = .46 TC(M1N.) = 25.10 -- FLOWLENGTH(FEET) = 400.00 MANNINGS N = .012 ............................................................................ FLOW PROCESS FROM NODE 930.05 TO NODE 930.06 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 34.0 INCH PIPE IS 5.6 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 14.6 UPSTREAM NODE ELEVATION = 91.30 DOWNSTREAM NODE ELEVATION = 74.00 FLOWLENGTH(FEET) = 220.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 34.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 9.84 TRAVEL TIME(M1N.) = .25 TC(M1N.) = 25.35 ............................................................................ ............................................................................ ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 930.06 TO NODE 930.06 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ~ ~~ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.589 SOIL CLASSIFICATION IS "D" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8500 SUBAREA AREA(ACRES) = 4.30 SUBAREA RUNOFF(CFS) = 9.46 TOTAL AREA(ACRES) = 9.30 TOTAL RUNOFF(CFS) = 19.30 TC(M1N) = 25.35 ............................................................................ FLOW PROCESS FROM NODE 931.06 TO NODE 931.07 IS CODE = 6 >>>>>COMPUTE STREETFMW TRAVELTIME THRU SUBAREA<<<<< UPSTREAM ELEVATION = 396.00 DOWNSTREAM ELEVATION = 347.00 ............................................................................ STmET LENGTH(FEET) = 485.00 CURB HEIGTH(1NCHES) = 6. STREET HALFWIDTH(FEET) = 20.00 STREET CROSSFALL(DEC1MAL) = .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 - **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 17.95 STREET FLOWDEPTH(FEET) = .34 HALFSTREET FLOODWIDTH(FEET) = 10.46 AVERAGE FLOW VELOCITY(FEET/SEC.) = 7.40 PRODUCT OF DEPTH&VELOCITY = 2.48 STREETFLOW TRAVELTIME (MIN) = 1.09 TC(M1N) = 21.29 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.898 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 6.90 SUBAREA RUNOFF(CFS) = 11.00 SUMMED AREA(ACRES) = 14.20 TOTAL RUNOFF(CFS) = 23.45 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .36 HALFSTREET FLOODWIDTH(FEET) = 11.62 FLOW VELOCITY(FEET/SEC.) = 7.99 DEPTH*VELOCITY = 2.86 ............................................................................ FLOW PROCESS FROM NODE 931.07 TO NODE 931.08 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 18.0 INCH PIPE IS 9.3 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 25.5 UPSTREAM NODE ELEVATION = 347.00 - DOWNSTREAM NODE ELEVATION = 310.00 FLOWLENGTH(FEET) = 230.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 23.45 TRAVEL TIME(M1N.) = .15 TC(M1N.) = 21.44 ............................................................................ ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 931.08 TO NODE 931.04 IS CODE = 3 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< ESTIMATED PIPE DIAMETER(1NCH) INCREASED TO 18.000 DEPTH OF FLOW IN 18.0 INCH PIPE IS 9.9 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 23.7 UPSTREAM NODE ELEVATION = 310.00 DOWNSTREAM NODE ELEVATION = 108.00 FLOWLENGTH(FEET) = 1530.00 MA"1NGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 23.45 TRAVEL TIME(M1N.) = 1.08 TC(M1N.) = 22.52 ............................................................................ ............................................................................ ____________________-----------------___------------------------------------ ............................................................................ - FLOW PROCESS FROM NODE 931.04 TO NODE 931.04 IS CODE = 8 ........................................................................... >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< _________ ...................................................... ------- ----------==____________________________-----__------------------- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.795 .- SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SOIL CLASSIFICATION IS "D" SUBAREA AREA(ACRES) = 23.90 SUBAREA RUNOFF(CFS) = 36.74 TOTAL AREA(ACRES) = 38.10 TOTAL RUNOFF(CFS) = 60.18 TC(M1N) = 22.52 ............................................................................ FLOW PROCESS FROM NODE 931.04 TO NODE 931.04 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 22.52 RAINFALL INTENSITY (INCH./HOUR) = 2.79 TOTAL STREAM AREA (ACRES) = 38.10 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 60.18 ............................................................................ ............................................................................ ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 931.01 TO NODE 931.02 IS CODE = 7 >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<<< USER-SPECIFIED VALUES ARE AS FOLLOWS: TOTAL AREA (ACRES) = 8.00 TOTAL RUNOFF(CFS) = 18.48 TC = 1.8(1.1 - C)(L)*1/2 ............................................................................ ............................................................................ TC(MIN) = 12.00 RAIN INTENSITY(INCH/HOUR) = 4.19 c = .55 L(FT) = 630 s = 12.2% - [S (100) ] ^1/3 ............................................................................ FLOW PROCESS FROM NODE 931.02 TO NODE 931.03 IS CODE = 6 >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< UPSTREAM ELEVATION = 325.00 DOWNSTREAM ELEVATION = 225.00 STREET LENGTH(FEET) = 400.00 CURB HEIGTH(1NCHES) = 6. STREET HALFWIDTH(FEET) = 20.00 STREET CROSSFALL(DEC1MAL) = .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLoW(CFS) = 24.97 STREET FLOWDEPTH (FEET) = .32 HALFSTREET FLOODWIDTH (FEET) = 9.88 AVERAGE FLOW VELOCITY(FEET/SEC.) = 11.40 PRODUCT OF DEPTH&VELOCITY = 3.69 ............................................................................ ............................................................................ STREETFLOW TRAVELTIME (MIN) = .58 TC(M1N) = 12.58 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.068 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 5.80 SUBAREA RUNOFF(CFS) = 12.98 SUMMED AREA(ACRES) = 13.80 TOTAL RUNOFF(CFS) = 31.46 END OF SUBAREA STREETFLOW HYDRAULICS : DEPTH(FEET) = .35 HALFSTREET FLOODWIDTH(FEET) = 11.04 FLOW VELoCITY(FEET/SEC.) = 11.77 DEPTH*VELOCITY = 4.08 ............................................................................ FLOW PROCESS FROM NODE 931.03 TO NODE 931.04 IS CODE = 3 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IN 18.0 INCH PIPE IS 12.4 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 24.2 UPSTREAM NODE ELEVATION = 225.00 DOWNSTREAM NODE ELEVATION = 107.00 FLOWLENGTH(FEET) = 990.00 MA"1NGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 31.46 TRAVEL TIME(M1N.) = .68 TC(M1N.) = 13.27 .--------------------------------------------------------------------------- ___________________-------------------------------------------------_------- ____________________---------------_---------------------------------------- ............................................................................ FLOW PROCESS FROM NODE 931.04 TO NODE 931.04 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< -_______________________________________------------------------------------ ............................................................................ --______________________________________------------------------------------ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.931 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 14.70 SUBAREA RUNOFF(CFS) = 31.79 TOTAL AREA(ACRES) = 28.50 TOTAL RUNOFF(CFS) = 63.24 TC(M1N) = 13.27 - ............................................................................ FLOW PROCESS FROM NODE 931.04 TO NODE 931.04 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(M1NUTES) = 13.27 RAINFALL INTENSITY (INCH./HOUR) = 3.93 TOTAL STREAM AREA (ACRES) = 28.50 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 63.24 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN. ) (INCH/HOUR) ............................................................................ ________________________________________----------_------------------------- --------___________--------------------------------------------------------- ............................................................................ 1 60.18 22.52 2.795 2 63.24 13.27 3.931 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: COMPUTED CONFLUENCE ESTIMATES ARE AS FOLMWS: RUNOFF (CFS) = 106.02 TIME (MINUTES) = 13.267 TOTAL AREA (ACRES) = 66.60 105.14 106.02 ............................................................................ FLOW PROCESS FROM NODE 931.04 TO NODE 931.09 IS CODE = 3 "DK" >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IN 36.0 INCH PIPE IS 28.1 INCHES PIPEFLOW VEMCITY(FEET/SEC.) = 17.9 UPSTREAM NODE ELEVATION = 107.00 DOWNSTREAM NODE ELEVATION = 96.00 FMWLENGTH(FEET) = 440.00 MA"1NGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 36.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 106.02 TRAVEL TIME(M1N.) = .41 TC(M1N.) = 13.68 ............................................................................ .~ ________________-----------------------------_--_--------------------------- _____-_--___-------_-------------------------------------------------------- ............................................................................ FLOW PROCESS FROM NODE 931.09 TO NODE 931.09 IS CODE = 8 ............................................................................ >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.855 SOIL CLASSIFICATION IS 'ID" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 8.25 SUBAREA RUNOFF(CFS) = 17.49 TOTAL AREA(ACRES) = 74.85 TOTAL RUNOFF(CFS) = 123.51 TC(M1N) = 13.68 ............................................................................ FLOW PROCESS FROM NODE 931.09 TO NODE 930.06 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 36.0 INCH PIPE IS 19.1 INCHES PIPEFLOW VELOCITY (FEET/SEC. ) = 32.3 UPSTREAM NODE ELEVATION = 96.00 DOWNSTREAM NODE ELEVATION = 74.00 FLOWLENGTH(FEET) = 220.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 36.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 123.51 TRAVEL TIME (MIN. ) = .ll TC(M1N.) = 13.79 ............................................................................ ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 930.06 TO NODE 930.06 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 13.79 RAINFALL INTENSITY (INCH./HOUR) = 3.83 TOTAL STREAM AREA (ACRES) = 74.85 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 123.51 ............................................................................ ____________________---_---_----------------__------------------------------ ____________________--------__--_----------------_----------------_--------- .. ............................................................................ FLOW PROCESS FROM NODE 930.06 TO NODE 930.06 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(M1NUTES) = 25.35 RAINFALL INTENSITY (INCH./HOUR) = 2.59 TOTAL STREAM AREA (ACRES) = 9.30 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 19.30 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS 1 (MIN. ) (INCH/HOUR) ............................................................................ .............................................................................. --------- ............................................................................ 1 123.51 13.79 3.835 - 2 19.30 25.35 2.589 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 136.55 102.70 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 136.55 TIME (MINUTES) = 13.789 TOTAL AREA(ACRES) = 84.15 ............................................................................ FLOW PROCESS FROM NODE 930.06 TO NODE 930.07 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 42.0 INCH PIPE IS 31.9 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 17.4 UPSTREAM NODE ELEVATION = 74.00 DOWNSTREAM NODE ELEVATION = 58.00 FLOWLENGTH(FEET) = 830.00 MANNINGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 42.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 136.55 TRAVEL TIME (MIN. ) = .79 TC(M1N.) = 14.58 ............................................................................ ............................................................................ ............................................................................ >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ________________________________________------------------------------------ ________________________________________------------------------------------ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.699 - SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 TOTAL AREA(ACRES) = 87.95 TOTAL RUNOFF(CFS) = 144.28 TC(M1N) = 14.58 SUBAREA AREA (ACRES) = 3.80 SUBAREA RUNOFF(CFS) = 7.73 ............................................................................ FLOW PROCESS FROM NODE 930.07 TO NODE 930.07 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 14.58 RAINFALL INTENSITY (INCH./HOUR) = 3.70 TOTAL STREAM AREA (ACRES) = 87.95 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 144.28 ............................................................................ ----____________________________________------------------------------------ ________________________________________------------------------------------ ............................................................................ FLOW PROCESS FROM NODE 920.26 TO NODE 920.27 IS CODE = 7 >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<<< USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(M1N) = 11.00 RAIN INTENSITY(INCH/HOUR) = 4.44 TOTAL AREA(ACRES) = .73 TOTAL RUNOFF(CFS) = 1.80 c = .55 L(FT) = 300 S = 14.2% Tc = 1.811.1 - CIILI -1/2 ............................................................................ ............................................................................ ............................................................................ -. [S (100) ] -1/3 ............................................................................ FLOW PROCESS FROM NODE 920.27 TO NODE 920.28 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 18.0 INCH PIPE IS 2.9 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 9.6 UPSTREAM NODE ELEVATION = 108.40 DOWNSTREAM NODE ELEVATION = 76.84 FLOWLENGTH(FEET) = 396.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 1.80 TRAVEL TIME(M1N.) = .69 TC(M1N.) = 11.69 ............................................................................ ............................................................................ __-------------------------------------------------------------------------- PIPEFLOW VELOCITY(FEET/SEC.) = 8.5 UPSTREAM NODE ELEVATION = 76.84 DOWNSTREAM NODE ELEVATION = 61.43 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 1.80 TRAVEL TIME(M1N.) = .48 TC(M1N.) = 12.16 - FLOWLENGTH(FEET) = 245.00 MANNINGS N = .012 ............................................................................ FLOW PROCESS FROM NODE 920.29 TO NODE 920.30 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 24.0 INCH PIPE IS 4.3 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 4.7 UPSTREAM NODE ELEVATION = 61.43 DOWNSTREAM NODE ELEVATION = 58.40 FLOWLENGTH(FEET) = 257.00 MANNINGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 TRAVEL TIME(M1N.) = .90 TC(M1N.) = 13.07 ............................................................................ ............................................................................ PIPEFLOW THRU SUBAREA(CFS) = 1.80 ............................................................................ FLOW PROCESS FROM NODE 920.30 TO NODE 930.07 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 24.0 INCH PIPE IS 5.2 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 3.6 UPSTREAM NODE ELEVATION = 58.40 DOWNSTREAM NODE ELEVATION = 58.00 FLOWLENGTH (FEET) = 72.00 MANNINGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 1.80 TRAVEL TIME (MIN. ) = .33 TC(M1N.) = 13.40 ............................................................................ - _________________-------------------------------==-----------------------=== ................................................ ............................................................................ FLOW PROCESS FROM NODE 930.07 TO NODE 930.07 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ _--_--_---_-___-________________________------------------------------------ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.906 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA (ACRES) = 2.10 SUBAREA RUNOFF(CFS) = 4.51 TOTAL AREA(ACRES) = 2.83 TOTAL RUNOFF(CFS) = 6.31 TC(M1N) = 13.40 .............................................................................. FLOW PROCESS FROM NODE 930.07 TO NODE 930.07 IS CODE = 1 ............................................................................ >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: RAINFALL INTENSITY (INCH./HOUR) = 3.91 TOTAL STREAM AREA (ACRES) = 2.83 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 6.31 __________------------------------------------------------------------------ __________------------------------------------------------------------------ - TIME OF CONCENTRATION(M1NUTES) = 13.40 ............................................................................ FLOW PROCESS FROM NODE 930.07 TO NODE 930.07 IS CODE = 7 >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<<< ............................................................................ --________------------------------------------------------------------------ __________------------------------------------------------------------------ USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(M1N) = 75.51 RAIN INTENSITY(INCH/HOUR) = 1.28 TOTAL AREA(ACRES) = 3022.62 TOTAL RUNOFF(CFS) = 2779.74 * PREVIOUSLY COMPUTED FLOW ............................................................................ FLOW PROCESS FROM NODE 930.07 TO NODE 930.07 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: TIME OF CONCENTRATION(M1NUTES) = 75.51 RAINFALL INTENSITY (INCH./HOUR) = 1.28 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 2779.74 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN. ) (INCH/HOUR) ............................................................................ ___________________-____________________------------------------------------ __________------_-_--------------------------------------------------------- - TOTAL STREAM AREA (ACRES) = 3022.62 ............................................................................ 1 144.28 14.58 3.699 2 6.31 13.40 3.906 3 2779.74 75.51 1.281 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 3 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 2831.76 TIME(M1NUTES) = 75.510 TOTAL AREA(ACRES) = 3113.40 1112.73 1054.16 2831.76 MANNINGS FACTOR = .040 MAXIMUM DEF?L"(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 2831.76 FLOW VEIX)CITY(FEET/SEC) = 5.73 FLOW DEPTH(FEET) = 2.87 - TRAVEL TIME(M1N.) = 2.30 TC(M1N.) = 77.81 ............................................................................ FLOW PROCESS FROM NODE 930.08 TO NODE 930.08 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< _________c------------------------------------------------------------------ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 1.256 *USER SPECIFIED (SUBAREA) : RURAL DEVELOPMENT RUNOFF COEFFICIENT = .4200 SUBAREA AREA(ACRES) = 17.84 SUBAREA RUNOFF(CF5) = 9.41 TOTAL AREA(ACRES) = 3131.24 TOTAL RUNOFF(CFS) = 2841.18 TC(M1N) = 77.81 ............................................................................ FLOW PROCESS FROM NODE 930.08 TO NODE 930.09 IS CODE = 5 ............................................................................ >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 46.00 DOWNSTREAM NODE ELEVATION = 39.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 550.00 CHANNEL BASE(FEET) = .OO 'IZ" FACTOR = 60.000 MA"1NGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 2841.18 FLOW VELOCITY (FEET/SEC) = 5.44 FLOW DEPTH(FEET) = 2.95 TRAVEL TIME(M1N.) = 1.68 TC(M1N.) = 79.49 ............................................................................ ............................................................................ - ............................................................................ FLOW PROCESS FROM NODE 930.09 TO NODE 930.09 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 1.239 *USER SPECIFIED (SUBAREA) : RURAL DEVELOPMENT RUNOFF COEFFICIENT = .4000 SUBAREA AREA(ACRES) = 9.50 SUBAREA RUNOFF(CFS) = 4.71 TOTAL AREA(ACRES) = 3140.74 TOTAL RUNOFF(CFS) = 2845.88 TC(M1N) = 79.49 CHANNEL BASE(FEET) = .OO “Z” FACTOR = 20.000 MA”1NGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 2845.88 TRAVEL TIME(M1N.) = 1.63 TC(M1N.) = 81.12 - FLOW VELOCITY(FEET/SEC) = 7.37 FLOW DEFTH(FEET) = 4.39 ............................................................................ FLOW PROCESS FROM NODE 930.10 TO NODE 930.10 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 1.223 *USER SPECIFIED(SUBAREA): RURAL DEVELOPMENT RUNOFF COEFFICIENT = .4000 SUBAREA AREA(ACRES) = 38.60 SUBAREA RUNOFF(CFS) = 18.88 TOTAL AREA(ACRES) = 3179.34 TOTAL RUNOFF(CFS) = 2864.76 TC(M1N) = 81.12 ............................................................................ FLOW PROCESS FROM NODE 930.10 TO NODE 930.11 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 29.00 DOWNSTREAM NODE ELEVATION = 24.00 CHANNEL BASE(FEET) = .OO ‘lZ1r FACTOR = 50.000 MA”1NGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 2864.76 FMW VELOCITY(FEET/SEC) = 5.02 FLOW DEPTH(FEET) = 3.38 TRAVEL TIME(M1N.) = 1.79 TC(M1N.) = 82.92 ............................................................................ ............................................................................ -----_-_--__---------------------------------------------------------------- - CHANNEL LENGTH THRU SUBAREA(FEET) = 540.00 ............................................................................ FLOW PROCESS FROM NODE 930.11 TO NODE 930.11 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 1.206 *USER SPECIFIED (SUBAREA) : RURAL DEVELOPMENT RUNOFF COEFFICIENT = .4200 SUBAREA AREA(ACRES) = 32.52 SUBAREA RUNOFF(CFS) = 16.47 TOTAL AREA(ACRES) = 3211.86 TOTAL RUNOFF(CFS) = 2881.23 TC(M1N) = 82.92 ............................................................................ FLOW PROCESS FROM NODE 930.11 TO NODE 930.12 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 24.00 DOWNSTREAM NODE ELEVATION = 18.00 ............................................................................ - ---_-_--____------______________________----------------------------------- CHANNEL LENGTH THRU SUBAREA(FEET) = 1320.00 CHANNEL BASE(FEET) = .OO "Z" FACTOR = 60.000 MA"1NGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 10.00 FLOW VELOCITY (FEET/SEC) = 3.68 FLOW DEPTH( FEET) = 3.61 TRAVEL TIME(M1N.) = 5.98 TC(M1N.) = 88.90 - CHANNEL FLOW THRU SUBAREA(CFS) = 2881.23 ............................................................................ FLOW PROCESS FROM NODE 930.12 TO NODE 930.12 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< _____________-__________________________------------------------------------ ............................................................................ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 1.153 *USER SPECIFIED(SUBAREA): RURAL DEVELOPMENT RUNOFF COEFFICIENT = .4200 SUBAREA AREA(ACRES) = 30.20 SUBAREA RUNOFF(CFS) = 14.62 TOTAL AREA(ACRES) = 3242.06 TOTAL RUNOFF(CFS) = 2895.85 TC(M1N) = 88.90 ............................................................................ FLOW PROCESS FROM NODE 930.12 TO NODE 930.12 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 88.90 TOTAL STREAM AREA (ACRES) = 3242.06 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 2895.85 ............................................................................ ............................................................................ ............................................................................ - RAINFALL INTENSITY (INCH./HOUR) = 1.15 ....................................................................... To PAGE -SF- **** FLOW PROCESS FROM NODE 830.05 TO NODE 830.13 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< SOIL CLASSIFICATION IS aD" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 ............................................................................ ............................................................................ ............................................................................ INITIAL SUBAREA FLOW-LENGTH(FEET) = 760.00 UPSTREAM ELEVATION = 119.00 DOWNSTREAM ELEVATION = 114.00 ELEVATION DIFFERENCE = 5.00 URBAN SUBAREA OVERLAND TIME OF FLOW(M1NUTES) = 32.151 *CAUTION: SUBAREA FLOWLENGTH EXCEEDS COUNTY NOMOGRAPH DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED. 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.221 SUBAREA RUNOFF(CFS) = 7.21 TOTAL AREA(ACRES) = 5.90 TOTAL RUNOFF(CFS) = 7.21 UPSTREAM ELEVATION = 114.00 DOWNSTREAM ELEVATION = 105.00 STREET LENGTH(FEET) = 650.00 CURB HEIGTH(1NCHES) = 6. Sl'REET HALFWIDTH'(FEET) = 20.00 STREET CROSSFALL(DEC1MAL) = .0200 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 10.70 STREET FLoWDEPTH(FEET) = .38 HALFSTREET FLOODWIDTH (FEET) = 12.77 AVERAGE FLOW VELOCITY(FEET/SEC.) = 3.06 PRODUCT OF DEPTH&VELOCITY = 1.17 - SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 STREETFLOW TRAVELTIME(M1N) = 3.54 TC(M1N) = 35.69 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.076 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 6.10 SUBAREA RUNOFF(CFS) = 6.97 SUMMED AREA(ACRES) = 12.00 TOTAL RUNOFF(CFS) = 14.17 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .42 HALFSTREET FLOODWIDTH(FEET) = 14.51 FLOW VELOCITY(FEET/SEC.) = 3.19 DEPTH*VELOCITY = 1.33 ............................................................................ FLOW PROCESS FROM NODE 930.14 TO NODE 930.15 IS CODE = 3 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IN 18.0 INCH PIPE IS 12.8 INCHES PIPEFLOW VELOCITY (FEET/SEC. ) = 10.5 DOWNSTREAM NODE ELEVATION = 86.00 FLOWLENGTH(FEET) = 850.00 MA"1NGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 14.17 TRAVEL TIME(M1N.) = 1.34 TC(M1N.) = 37.04 ............................................................................ ________________________________________------------------------------------ ............................................................................ - UPSTREAM NODE ELEVATION = 105.00 ............................................................................ FLOW PROCESS FROM NODE 930.15 TO NODE 930.15 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ ............................................................................ 100 YEAR RAINFALL INTENSITY (INCH/HOUR) = 2.027 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 11.90 SUBAREA RUNOFF(CFS) = 13.27 TOTAL AREA(ACRES) = 23.90 TOTAL RUNOFF(CFS) = 27.44 TC(M1N) = 37.04 ............................................................................ FLOW PROCESS FROM NODE 930.15 TO NODE 930.16 IS CODE = 3 ............................................................................ I >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< '- >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< ........................................................................... ........................................................................... DEPTH OF FLOW IN 18.0 INCH PIPE IS 13.0 INCHES PIPEFWW VELOCITY(FEET/SEC.) = 20.0 UPSTREAM NODE ELEVATION = 86.00 DOWNSTREAM NODE ELEVATION = 62.00 ESTIMATED PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 , PIPEFLOW THRU SUBAREA(CFS) = 27.44 TRAVEL TIME (MIN. ) = .25 TC(M1N.) = 37.29 - FLOWLENGTH(FEET) = 300.00 MA"1NGS N = .012 ............................................................................ FLOW PROCESS FROM NODE 930.16 TO NODE 930.17 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< ............................................................................ >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 18.0 INCH PIPE IS 11.7 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 22.6 UPSTREAM NODE ELEVATION = 62.00 DOWNSTREAM NODE ELEVATION = 45.00 FLOWLENGTH(FEET) = 159.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 27.44 TRAVEL TIME(M1N.) = .12 TC(M1N.) = 37.41 ............................................................................ FLOW PROCESS FROM NODE 930.17 TO NODE 930.17 IS CODE = 8 ............................................................................ ~ >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ~ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.015 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 9.90 SUBAREA RUNOFF(CFS) = 10.97 TOTAL AREA(ACRES) = 33.80 TOTAL RUNOFF(CFS) = 38.41 TC(M1N) = 37.41 ............................................................................ FLOW PROCESS FROM NODE 930.17 TO NODE 930.12 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 45.00 DOWNSTREAM NODE ELEVATION = 18.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 800.00 CHANNEL BASE(FEET) = .OO 'IZ" FACTOR = 40.000 MA"1NGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 38.41 TRAVEL TIME(M1N.) = 4.45 TC(M1N.) = 41.86 ............................................................................ ............................................................................ ............................................................................ FLOW VELOCITY(FEET/SEC) = 2.99 FLOW DEPTH(FEET) = .57 ............................................................................ FLOW PROCESS FROM NODE 930.12 TO NODE 930.12 IS CODE = 8 ............................................................................ _a_ >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ --______----_--------------------------------------------------------------- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 1.874 - *USER SPECIFIED (SUBAREA) : SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .4200 SUBAREA AREA(ACRES) = 5.30 SUBAREA RUNOFF(CFS) = 4.17 TOTAL AREA(ACRES) = 39.10 TOTAL RUNOFF(CFS) = 42.58 TC(M1N) = 41.86 ............................................................................ FLOW PROCESS FROM NODE 930.12 TO NODE 930.12 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< ............................................................................ --_________________--------------------------------------------------------- ___________________-____________________------------------------------------ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(M1NUTES) = 41.86 RAINFALL INTENSITY (INCH./HOUR) = 1.87 TOTAL STREAM AREA (ACRES) = 39.10 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 42.58 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER ( CFS ) (MIN. ) (INCH/HOUR) ............................................................................ 1 2895.85 88.90 1.153 2 42.58 41.86 1.874 '- RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 2922.05 TIME(M1NUTES) = 88.897 TOTAL AREA(ACRES) = 3281.16 2922.05 1824.16 .............................................................................. FLOW PROCESS FROM NODE 930.12 TO NODE 930.27 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 14.00 DOWNSTREAM NODE ELEVATION = 5.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1290.00 CHANNEL BASE(FEET) = .OO "Z" FACTOR = 70.000 MA"1NGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 2922.05 FLOW VELOCITY (FEET/SEC) = 4.22 FLOW DEPTH( FEET) = 3.14 TRAVEL TIME(M1N.) = 5.09 TC(M1N.) = 93.99 ............................................................................ ________________________________________------------------------------------ -------____________-----------------------------------------------_--------- ............................................................................ - FLOW PROCESS FROM NODE 930.27 TO NODE 930.27 IS CODE = 8 ........................................................................... >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 1.112 - SINGLE FAMILY DEVEMPMENT RUNOFF COEFFICIENT = .4000 SOIL CLASSIFICATION IS "A" SUBAREA AREA(ACRES) = 26.60 SUBAREA RUNOFF(CFS) = 11.83 TOTAL AREA(ACRES) = 3307.76 TOTAL RUNOFF(CFS) = 2933.88 TC(M1N) = 93.99 .............................................................................. END OF RATIONAL METHOD ANALYSIS -@ ............................................................................ ~. RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE Reference: SAN DIEGO COUNTY FLOOD CONTROL DISTRICT (c) Copyright 1982-88 Advanced Engineering Software (aes) Analysis prepared by: 1985,1981 HYDROLOGY MANUAL Ver. 4.1A Release Date: 1/09/89 Serial # 3454 COOPER ENGINEERING ASSOCIATES 8369 VICKERS ST., STE. C SAN DIEGO, CA. 92111 (619) 277-0441 .......................... DESCRIPTION OF STUDY .......................... * CARLSBAD MASTER DRAINAGE PLAN * * D4.RES * * SAN MARCOS CREEK BASIN (BASIN llD1l) - LINES "DG, DH, DK, DM, DP, DY" * ............................................................................ - 1985 SAN DIEGO MANUAL CRITERIA USER SPECIFIED STORM EVENT(YEAR). = 100.00 6-HOUR DURATION PRECIPITATION (INCHES) = 2.700 SPECIFIED MINIMUM PIPE SIZE(1NCH) = 18.00- SPECIFIED PERCENT OF GRADIENTS(DEC1MAL) TO USE FOR FRICTION SLOPE = .95 SAN DIEGO HYDROLOGY MANUAL "C"-VALUES USED ............................................................................ FMW PROCESS FROM NODE 1000.01 TO NODE 1000.10 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 --______-_______________________________------------------------------------ __----__------_-____-------------------------------------------------------- ............................................................................ INITIAL SUBAREA FLOW-LENGTH(FEET) = 380.00 UPSTREAM ELEVATION = 245.00 DOWNSTREAM ELEVATION = 239.00 ELEVATION DIFFERENCE = 6.00 URBAN SUBAREA OVERLAND TIME OF FLoW(M1NUTES) = 17.515 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.169 SUBAREA RUNOFF(CFS) = 3.66 TOTAL AREA(ACRES) =: 2.10 TOTAL RUNOFF(CFS) = 3.66 - .............................................................................. FLOW PROCESS FROM NODE 1000.10 TO NODE 1000.20 IS CODE = 6 >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< ............................................................................ __________------------------------------------------------------------------ __________------------------------------------------------------------------ - UPSTREAM ELEVATION = 239.00 DOWNSTREAM ELEVATION = 216.00 STREET LENGTH(FEET) = 1050.00 CURB HEIGTH(1NCHES) = 6. STREET HALFWIDTH(FEET) = 20.00 STREET CROSSFALL(DEC1MAL) = .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 9.72 STREET FLOWDEPTH(FEET) = .35 HALFSTREET FLOODWIDTH(FEET) = 11.04 AVERAGE FLOW VELOCITY(FEET/SEC.) = 3.63 PRODUCT OF DEPTH&VELOCITY = 1.26 STREETFLOW TRAVELTIME(M1N) = 4.82 TC(M1N) = 22.33 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.710 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 8.12 SUBAREA RUNOFF(CFS) = 12.10 SUMMED AREA(ACRES) = 10.22 TOTAL RUNOFF(CFS) = 15.76 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH (FEET) = .40 HALFSTREET FLOODWIDTH (FEET) = 13.93 FLOW VELOCITY(FEET/SEC.) = 3.83 DEPTH*VEMCITY = 1.55 ............................................................................ FLOW PROCESS FROM NODE 1000.20 TO NODE 1000.30 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< ............................................................................ - >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 24.0 INCH PIPE IS 5.6 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 28.4 UPSTREAM NODE ELEVATION = 216.00 DOWNSTREAM NODE ELEVATION = 154.00 FLOWLENGTH(FEET) = 200.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 15.76 TRAVEL TIME(M1N.) = .12 TC(M1N.) = 22.45 ............................................................................ FLOW PROCESS FROM NODE 1000.30 TO NODE 1000.40 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< ............................................................................ DEPTH OF FLOW IN 24.0 INCH PIPE IS 8.2 INCHES PIPEFLOW VELOCITY (FEET/SEC. ) = 16.7 UPSTREAM NODE ELEVATION = 154.00 DOWNSTREAM NODE ELEVATION = 140.00 FLOWLENGTH(FEET) = 200.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 15.76 TRAVEL TIME (MIN. ) = .20 TC(M1N.) = 22.65 ............................................................................ FLOW PROCESS FROM NODE 1000.50 TO NODE 1000.40 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ - ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.685 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 11.22 SUBAREA RUNOFF(CFS) = 16.57 TOTAL AREA(ACRES) = 21.44 TOTAL RUNOFF(CFS) = 32.33 TC(M1N) = 22.65 ............................................................................ FLOW PROCESS FROM NODE 1000.40 TO NODE 1000.60 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 30.0 INCH PIPE IS 10.9 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 20.1 UPSTREAM NODE ELEVATION = 140.00 DOWNSTREAM NODE ELEVATION = 127.40 FLoWLENGTH(FEET) = 180.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 30.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA (CFS) = 32.33 TRAVEL TIME(M1N.) = .15 TC(M1N.) = 22.80 ............................................................................ ............................................................................ ........................................................................... FLOW PROCESS FROM NODE 1000.40 TO NODE 1000.60 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ........................ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.674 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 11.55 SUBAREA RUNOFF(CFS) = 16.98 TOTAL AREA(ACRES) = 32.99 TOTAL RUNOFF(CFS) = 49.31 TC(M1N) = 22.80 ............................................................................ FLOW PROCESS FROM NODE 1000.60 TO NODE 1000.70 IS CODE = 4 ............................................................................ >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 30.0 INCH PIPE IS 15.2 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 19.8 UPSTREAM NODE ELEVATION = 127.40 DOWNSTREAM NODE ELEVATION = 114.90 FLoWLENGTH(FEET) = 250.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 30.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 49.31 TRAVEL TIME (MIN. ) = .21 TC(M1N.) = 23.01 ............................................................................ .............................................................................. FLOW PROCESS FROM NODE 1000.70 TO NODE 1000.80 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 114.00 DOWNSTREAM NODE ELEVATION = 65.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 400.00 CHANNEL BASE(FEET) = .OO 'lZ" FACTOR = 20.000 MA"1NGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 5.00 CHANNEL FLOW THRU SUBAREA(CFS) = 63.07 FLOW VELOCITY(FEET/SEC) = 6.75 FLOW DEPTH(FEET) = .68 TRAVEL TIME(M1N.) = .99 TC(M1N.) = 24.00 ............................................................................ ............................................................................ -. .......................................................................... FLOW PROCESS FROM NODE 1000.80 TO NODE 1000.90 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 65.00 DOWNSTREAM NODE ELEVATION = 30.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1000.00 CHANNEL BASE(FEET) = .OO llZ1l FACTOR = 6.000 MA"1NGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 5.00 CHANNEL FLOW THRU SUBAREA(CFS) = 63.07 TRAVEL TIME(M1N.) = 3.05 TC(M1N.) = 27.04 ............................................................................ ________________________________________------------------------------------ -----_------_-_-----_________________L__------------------------------------ ' FLOW VELOCITY(FEET/SEC) = 5.47 FLOW DEPTH(FEET) = 1.39 ............................................................................ FLOW PROCESS FROM NODE 1000.70 TO NODE 1000.90 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.395 *USER SPECIFIED(SUBAREA): SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .4800 TOTAL AREA(ACRES) = 62.44 TOTAL RUNOFF(CFS) = 86.11 TC(M1N) = 27.04 -SUBAREA AREA(ACRES) = 20.04 SUBAREA RUNOFF(CFS) = 23.04 ............................................................................ - FLOW PROCESS FROM NODE 1000.90 TO NODE 1000.90 IS CODE = 1 ........................................................................... >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 27.04 RAINFALL INTENSITY (INCH./HOUR) = 2.39 TOTAL STREAM AREA (ACRES) = 62.44 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 86.11 ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 1000.11 TO NODE 1000.90 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 ............................................................................ ............................................................................ INITIAL SUBAREA FLOW-LENGTH(FEET) = 380.00 UPSTREAM ELEVATION = 70.00 DOWNSTREAM ELEVATION = 66.00 ~ ~ ~ ~~ ~ ELEVATION DIFFERENCE = 4.00 URBAN SUBAREA OVERLAND TIME OF FLOW(M1NUTES) = 19.338 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.973 SUBAREA RUNOFF (CFS) = 2.45 TOTAL AREA(ACRES) = 1.50 TOTAL RUNOFF(CFS) = 2.45 - ............................................................................ FLOW PROCESS FROM NODE 1000.55 TO NODE 1000.90 IS CODE = 6 ............................................................................ >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< UPSTREAM ELEVATION = 66.00 DOWNSTREAM ELEVATION = 50.00 STREET LENGTH(FEET) = 1220.00 CURB HEIGTH(1NCHES) = 6. STREET HALFWIDTH(FEET) = 20.00 STREET CROSSFALL(DEC1MAL) = .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 8.77 STREET FLOWDEPTH (FEET) = .3 7 HALFSTREET FLOODWIDTH(FEET) = 12.20 AVERAGE FLOW VELOCITY(FEET/SEC.) = 2.73 PRODUCT OF DEPTHslVELOCITY = 1.01 ............................................................................ STREETFLOW TRAVELTIME(M1N) = 7.44 TC(M1N) = 26.78 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.410 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 9.43 SUBAREA RUNOFF(CFS) = SUMMED AREA(ACRES) = 10.93 TOTAL RUNOFF(CFS) = END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .43 HALFSTREET FLOODWIDTH(FEET) = 15 - FLOW VELOCITY(FEET/SEC.) = 3.12 DEPTH*VELOCITY = 12.50 14.95 09 1.34 ............................................................................. FLOW PROCESS FROM NODE 1000.90 TO NODE 1000.90 IS CODE = 1 ............................................................................ .~ >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(M1NUTES) = 26.78 RAINFALL INTENSITY (INCH./HOUR) = 2.41 TOTAL STREAM AREA (ACRES) = 10.93 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 14.95 ............................................................................ ............................................................................ CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN . ) (INCH/HOUR) ............................................................................ 1 86.11 27.04 2.395 2 14.95 26.78 2.410 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 100.96 TIME(M1NUTES) = 27.044 100.96 100.52 TOTAL AREA(ACRES) = 73.37 ............................................................................ FLOW PROCESS FROM NODE 1010.01 TO NODE 1010.50 IS CODE = 7 >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<<< USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(M1N) = 16.00 RAIN INTENSITY(INCH/HOUR) = 3.36 TOTAL AREA (ACRES) = 2.40 TOTAL RUNOFF(CFS) = 4.36 c = .55 L(FT) = 490 s = 4.3% .----------__-------------------------------------------------------------- - ............................................................................ ............................................................................ Tc = 1.8(1.1 - C)fLl^1/2 [S (100) 3 -1/3 ............................................................................ FLOW PROCESS FROM NODE 1010.50 TO NODE 1010.02 IS CODE = 6 >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< UPSTREAM ELEVATION = 275.00 DOWNSTREAM ELEVATION = 226.00 STREET LENGTH(FEET) = 1510.00 CURB HEIGTH(1NCHES) = 6. STREET HALFWIDTH(FEET) = 20.00 STREET CROSSFALL(DEC1MAL) = .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 15.06 STREET FLOWDEP!CH(FEET) = .37 HALFSTREET FLOODWIDTH(FEET) = 12.20 AVERAGE FLOW VELOCITY(FEET/SEC.) = 4.69 PRODUCT OF DEFTH&VELOCITY = 1.74 ............................................................................ ............................................................................ --_--___________________________________------------------------------------ STREETFLOW TRAVELTIME(M1N) = 5.37 TC(M1N) = 21.37 - 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.788 SOIL CLASSIFICATION IS "D" SINGLE' FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 13.88 SUBAREA RUNOFF(CFS) = 21.28 SUMMED AREA(ACRES) = 16.28 TOTAL RUNOFF(CFS) = 25.64 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH (FEET) = .43 HALFSTREET FLOODWIDTH (FEET) = 15.09 FLOW VELOCITY(FEET/SEC.) = 5.36 DEPTH*VELOCITY = 2.29 ............................................................................ FLOW PROCESS FROM NODE 1010.02 TO NODE 1010.03 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 18.0 INCH PIPE IS 10.8 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 23.1 UPSTREAM NODE ELEVATION = 226.00 DOWNSTREAM NODE ELEVATION = 167.50 FLOWLENGTH(FEET) = 500.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 25.64 TRAVEL TIME (MIN. ) = .36 TC(M1N.) = 21.73 ............................................................................ ________-_-_---_--_-____________________------------------------------------ ---___--__--_-__-__--------------------------------------------------------- ............................................................................ FLOW PROCESS FROM NODE 1010.03 TO NODE 1010.03 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ ---___--___-_-_--__--------------------------------------------------------- - 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.758 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 16.23 SUBAREA RUNOFF(CFS) = 24.62 TOTAL AREA(ACRES) = 32.51 TOTAL RUNOFF(CFS) = 50.26 TC(M1N) = 21.73 ............................................................................ FLOW PROCESS FROM NODE 1010.03 TO NODE 1010.04 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 24.0 INCH PIPE IS 17.9 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 20.0 UPSTREAM NODE ELEVATION = 167.50 DOWNSTREAM NODE ELEVATION = 144.30 - FLOWLENGTH(FEET) = 430.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 50.26 TRAVEL TIME(M1N.) = .36 TC(M1N.) = 22.09 ............................................................................ ............................................................................ ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 1010.03 TO NODE 1010.04 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ........................................................................... ............................................................................. 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.729 - SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 10.65 SUBAREA RUNOFF(CFS) = 15.98 TOTAL AREA(ACRES) = 43.16 TOTAL RUNOFF(CFS) = 66.24 TC(M1N) = 22.09 .............................................................................. FLOW-PROCESS FROM NODE 1010.04 TO NODE 1010.05 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 24.0 INCH PIPE IS 18.9 INCHES PIPEFLOW VELOCITY (FEET/SEC. ) = 24.9 UPSTREAM NODE ELEVATION = 144.30 DOWNSTREAM NODE ELEVATION = 115.25 FLOWLENGTH(FEET) = 350.00 MANNINGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 66.24 TRAVEL TIME(M1N.) = .23 TC(M1N.) = 22.32 ............................................................................ ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 1010.04 TO NODE 1010.05 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ - ........................................................................... ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.710 SOIL CLASSIFICATION IS 'ID" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 12.18 SUBAREA RUNOFF(CFS) = 18.16 TOTAL AREA(ACRES) = 55.34 TOTAL RUNOFF(CFS) = 84.40 TC(M1N) = 22.32 ............................................................................ FLOW PROCESS FROM NODE 1010.05 TO NODE 1010.06 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 33.0 INCH PIPE IS 23.9 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 18.4 UPSTREAM NODE ELEVATION = 115.25 DOWNSTREAM NODE ELEVATION = 109.25 FLOWLENGTH(FEET) = 200.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 33.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 84.40 TRAVEL TIME (MIN. ) = .18 TC(M1N.) = 22.50 ............................................................................ ............................................................................ ............................................................................ >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................. .............................................................................. 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.696 - SOIL CLASSIFICATION IS "D" RURAL DEVELOPMENT RUNOFF COEFFICIENT = .4500 SUBAREA AREA(ACRES) = 18.20 SUBAREA RUNOFF(CFS) = 22.08 TOTAL AREA(ACRES) = 73.54 TOTAL RUNOFF(CFS) = 106.48 TC(M1N) = 22.50 ............................................................................ FLOW PROCESS FROM NODE 1010.06 TO NODE 1010.07 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 110.00 DOWNSTREAM NODE ELEVATION = 109.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 330.00 CHANNEL BASE(FEET) = .OO IIZ" FACTOR = 10.000 MA"1NGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 5.00 CHANNEL FLOW THRU SUBAREA(CFS) = 106.48 FLOW VELoCITY(FEET/SEC) = 2.19 FLOW DEPTH(FEET) = 2.21 TRAVEL TIME(M1N.) = 2.52 TC(M1N.) = 25.02 ............................................................................ _----------- .............................................................................. ............................................................................ FLOW PROCESS FROM NODE 1010.06 TO NODE 1010.07 IS CODE = 8 ............................................................................ - >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.518 ........................................................................... SOIL CLASSIFICATION IS "D" RURAL DEVELOPMENT RUNOFF COEFFICIENT = .4500 SUBAREA AREA(ACRES) = 4.84 SUBAREA RUNOFF(CFS) = 5.48 TOTAL AREA(ACRES) = 78.38 TOTAL RUNOFF(CFS) = 111.97 TC(M1N) = 25.02 ............................................................................ FLOW PROCESS FROM NODE 1010.07 TO NODE 1010.07 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ --______________________________________------------------------------------ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.518 SOIL CLASSIFICATION IS "D" MOBILE HOME DEVEMPMENT RUNOFF COEFFICIENT = .6500 SUBAREA AREA(ACRES) = 11.61 SUBAREA RUNOFF(CFS) = 19.00 TOTAL AREA(ACRES) = 89.99 TOTAL RUNOFF(CFS) = 130.97 TC(M1N) = 25.02 ............................................................................ FLOW PROCESS FROM NODE 1010.07 TO NODE 1010.08 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< =-------_____----___-----------_-------------------------------------------- ............................................................................ PIPEFLOW VELOCITY (FEET/SEC. ) = 13.6 DOWNSTREAM NODE ELEVATION = 106.00 FLOWLENGTH(FEET) = 250.00 MA”1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 42.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 130.97 TRAVEL TIME(M1N.) = .31 TC(M1N.) = 25.32 - UPSTREAM NODE ELEVATION = 109.00 . ............................................................................ FLOW PROCESS FROM NODE 1010.08 TO NODE 1010.08 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< ............................................................................ >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 42.0 INCH PIPE IS 16.4 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 37.5 UPSTREAM NODE ELEVATION = 106.00 DOWNSTREAM NODE ELEVATION = 82.80 FLOWLENGTH (FEET) = 40.00 MA”1NGS N = .024 GIVEN PIPE DIAMETER(1NCH) = 42.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 130.97 TRAVEL TIME(M1N.) = .02 TC(M1N.) = 25.34 ............................................................................ ............................................................................ - FLOW PROCESS FROM NODE 1010.08 TO NODE 1010.09 IS CODE = 4 .________--_________------------------------------------------------------- >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 42.0 INCH PIPE IS 25.4 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 21.6 UPSTREAM NODE ELEVATION = 82.80 DOWNSTREAM NODE ELEVATION = 72.90 FLoWLENGTH(FEET) = 300.00 MA”1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 42.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 130.97 TRAVEL TIME(M1N.) = .23 TC(M1N.) = 25.57 ............................................................................ ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 1010.09 TO NODE 1010.09 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< __________-_____________________________------------------------------------ __------__----------------------------------------------------------------_- ............................................................................ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 25.57 RAINFALL INTENSITY (INCH./HOUR) = 2.48 TOTAL STREAM AREA (ACRES) = 89.99 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 130.97 - ........................................................................... FLOW PROCESS FROM NODE 1010.10 TO NODE 1010.11 IS CODE = 2 ---_______-_____________________________------------------------------------ >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< SOIL CLASSIFICATION IS *ID" ............................................................................ ............................................................................ - MOBILE HOME DEVELOPMENT RUNOFF COEFFICIENT = .6500 INITIAL SUBAREA FLOW-LENGTH(FEET) = 800.00 UPSTREAM ELEVATION = 141.00 DOWNSTREAM ELEVATION = 118.00 ELEVATION DIFFERENCE = 23.00 URBAN SUBAREA OVERLAND TIME OF FLOW(M1NUTES) = 19.328 *CAUTION: SUBAREA SLOPE EXCEEDS COUNTY NOMOGRAPH DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED. NOMOGRAPH DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED. *CAUTION: SUBAREA FLOWLENGTH EXCEEDS COUNTY 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.974 SUBAREA RUNOFF(CFS) = 14.54 TOTAL AREA (ACRES) = 7.52 TOTAL RUNOFF(CFS) = 14.54 ............................................................................ FLOW PROCESS FROM NODE 1010.11 TO NODE 1010.12 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 24.0 INCH PIPE IS 13.5 INCHES PIPEFLOW VELQCITY(FEET/SEC.) = 8.0 UPSTREAM NODE ELEVATION = 118.00 DOWNSTREAM NODE ELEVATION = 116.80 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 14.54 TRAVEL TIME(M1N.) = .25 TC(M1N.) = 19.58 ............................................................................ ............................................................................ ............................................................................ - FLOWLENGTH(FEET) = 120.00 MA"1NGS N = .012 ............................................................................ FLOW PROCESS FROM NODE 1010.12 TO NODE 1010.12 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 24.0 INCH PIPE IS 7.3 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 18.1 UPSTREAM NODE ELEVATION = 116.80 DOWNSTREAM NODE ELEVATION = 90.90 FLOWLENGTH (FEET) = 70.00 MA"1NGS N = .024 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 14.54 TRAVEL TIME (MIN. ) = .06 TC(M1N.) = 19.64 ............................................................................ ............................................................................ ............................................................................ PIPEFLOW VELOCITY (FEET/SEC. ) = 12.0 UPSTREAM NODE ELEVATION = 90.90 DOWNSTREAM NODE ELEVATION = 74.10 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 14.54 TRAVEL TIME(M1N.) = .78 TC(M1N.) = 20.42 - FLOWLENGTH(FEET) = 560.00 MA"1NGS N = .012 ............................................................................ FLOW PROCESS FROM NODE 1010.09 TO NODE 1010.09 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< ............................................................................ >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(M1NUTES) = 20.42 RAINFALL INTENSITY (INCH./HOUR) = 2.87 TOTAL STREAM AREA (ACRES) = 7.52 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 14.54 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN. ) (INCH/HOUR) ............................................................................ ............................................................................ 1 130.97 25.57 2.483 2 14.54 20.42 2.870 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS - VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 143.54 127.81 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 143.54 TIME(M1NUTES) = 25.573 TOTAL AREA(ACRES) = 97.51 ............................................................................ FLOW PROCESS FROM NODE 1010.09 TO NODE 1010.09 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ------___----------_-------------------------------------------------------- ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.483 SOIL CLASSIFICATION IS "C" MOBILE HOME DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 19.87 SUBAREA RUNOFF(CFS) = 27.13 TOTAL AREA(ACRES) = 117.38 TOTAL RUNOFF(CFS) = 170.67 TC(M1N) = 25.57 UPSTREAM NODE ELEVATION = 54.00 DOWNSTREAM NODE ELEVATION = 32.10 GIVEN PIPE DIAMETER(1NCH) = 48.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 170.67 TRAVEL TIME(M1N.) = .16 TC(M1N.) = 25.73 - FLOWLENGTH(FEET) = 300.00 MA”1NGS N = .012 Tc = 1.8f1.1 - ClfLlA1/2 [s(100)]-1/3 ............................................................................ FLOW PROCESS FROM NODE 1021.02 TO NODE 1021.04 IS CODE = 6 >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< UPSTREAM ELEVATION = 495.00 DOWNSTREAM ELEVATION = 425.00 STREET LENGTH(FEET) = 1000.00 CURB HEIGTH(1NCHES) = 6. STREET HALFWIDTH(FEET) = 24.00 STREET CROSSFALL(DEC1MAL) = .0200 ............................................................................ ............................................................................ -----___________________________________------------------------------------ - SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 7.74 STREET FLOWDEPTH(FEET) = .35 HALFSTREET FLOODWIDTH(FEET) = 10.99 AVERAGE FLOW VELoCITY(FEET/SEC.) = 5.84 PRODUCT OF DEPTH&VEMCITY = 2.02 STREETFLOW TRAVELTIME(M1N) = 2.86 TC(M1N) = 20.66 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.849 SOIL CLASSIFICATION IS I’D” SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 1.10 SUBAREA RUNOFF(CFS) = 1.72 SUMMED AREA(ACRES) = 5.11 TOTAL RUNOFF(CFS) = 8.60 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .35 HALFSTREET FLOODWIDTH(FEET) = 10.99 FLOW VELOCITY (FEET/SEC. ) = 6.49 DEPTH*VELOCITY = 2.24 ............................................................................ FLOW PROCESS FROM NODE 1021.04 TO NODE 1021.04 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< ............................................................................ -------____________--------------_------------------------------------------ -----___________________________________------------------------------------ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 20.66 TOTAL STREAM AREA (ACRES) = 5.11 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 8.60 _- RAINFALL INTENSITY (INCH./HOUR) = 2.85 TO PAGE -qo\ - ............................................................................ FLOW PROCESS FROM NODE 1021.02 TO NODE 1021.50 IS CODE = 7 >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<<< USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(M1N) = 13.00 RAIN INTENSITY(INCH/HOUR) = 3.84 c = .55 L(FT) = 390 S =6.4% -.______--------------------------------------------------------------------- ------- ............................................................................ TOTAL AREA(ACRES) = 3.80 TOTAL RUNOFF(CFS) = 7.94 TC = 1.811.1 - C)fL)-1/2 [ S (100) ] -1/3 ............................................................................ FLOW PROCESS FROM NODE 1021.50 TO NODE 1021.03 IS CODE = 6 ............................................................................ >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< UPSTREAM ELEVATION = 475.00 DOWNSTREAM ELEVATION = 440.00 STREET LENGTH(FEET) = 520.00 CURB HEIGTH(1NCHES) =: 6. STREET HALFWIDTH(FEET) = 20.00 STREET CROSSFALL(DEC1MAL) = .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 15.65 STREET FLOWDEPTH (FEET) = .3 5 HALFSTREET FLOODWIDTH (FEET) = 11.04 AVERAGE FLOW VELOCITY (FEET/SEC. ) = 5.85 PRODUCT OF DEPTH&VELOCITY = 2.03 ....................................................... ............................................................................ STREETFLOW TRAVELTIME (MIN) = 1.48 TC (MIN) = 14.48 - 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.583 SOIL CLASSIFICATION IS ‘ID” SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 7.81 SUBAREA RUNOFF(CFS) = 15.39 SUMMED AREA(ACRES) = 11.61 TOTAL RUNOFF(CFS) = 23.33 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .38 HALFSTREET FLOODWIDTH(FEET) = 12.77 FLOW VELOCITY(FEET/SEC.) = 6.67 CEPTH*VELOCITY = 2.54 ............................................................................ FLOW PROCESS FROM NODE 1021.03 TO NODE 1021.04 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 18.0 INCH PIPE IS 12.9 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 17.3 UPSTREAM NODE ELEVATION = 440.00 DOWNSTREAM NODE ELEVATION = 425.00 FLOWLENGTH(FEET) = 250.00 MA”1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 23.33 TRAVEL TIME (MIN. ) = .24 TC(M1N.) = 14.72 ............................................................................ ............................................................................ ............................................................................ - ........................................................................... FLOW PROCESS FROM NODE 1021.04 TO NODE 1021.05 IS CODE = 4 ............................................................................ >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< .- >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 30.0 INCH PIPE IS 9.3 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 18.0 UPSTREAM NODE ELEVATION = 425.00 DOWNSTREAM NODE ELEVATION = 385.00 FLOWLENGTH(FEET) = 600.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 30.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 23.33 TRAVEL TIME (MIN. ) = .56 TC(M1N.) = 15.28 ............................................................................ FLOW PROCESS FROM NODE 1021.04 TO NODE 1021.04 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(M1NUTES) = 15.28 RAINFALL INTENSITY (INCH./HOUR) = 3.46 TOTAL STREAM AREA (ACRES) = 11.61 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 23.33 CONFLUENCE INFORMATION: ............................................................................ ............................................................................ ............................................................................ -- STREAM RUNOFF TIME INTENSITY NUMBER ( CFS ) (MIN.) (INCH/HOUR) ........................................................................... 1 8.60 20.66 2.849 2 23.33 15.28 3.461 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 30.41 TIME(M1NUTES) = 15.277 TOTAL AREA(ACRES) = 16.72 27.81 30.41 ............................................................................ FLOW PROCESS FROM NODE 1021.05 TO NODE 1021.05 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ---------_----_-___--------------------------------------------------------- ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.461 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 27.44 SUBAREA RUNOFF(CFS) = 52.24 TOTAL AREA(ACRES) = 44.16 TOTAL RUNOFF(CFS) = 82.65 TC(M1N) = 15.28 -.- ........................................................................... FLOW PROCESS FROM NODE 1021.05 TO NODE 1021.06 IS CODE = 4 ............................................................................ >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< ........................................................................... -- PIPEFLOW VELOCITY(FEET/SEC.) = 11.7 UPSTREAM NODE ELEVATION = 385.00 DOWNSTREAM NODE ELEVATION = 383.00 FLOWLENGTH(FEET) = 200.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 36.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 82.65 TRAVEL TIME(M1N.) = .29 TC(M1N.) = 15.56 ............................................................................ FLOW PROCESS FROM NODE 1021.06 TO NODE 1021.07 IS CODE = 4 >>>>>COMPUTE PIPEFMW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 36.0 INCH PIPE IS 16.5 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 26.1 UPSTREAM NODE ELEVATION = 383.00 DOWNSTREAM NODE ELEVATION = 353.40 FLOWLENGTH(FEET) = 400.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 36.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 82.65 TRAVEL TIME (MIN. ) = .26 TC(M1N.) = 15.82 ............................................................................ -----___-----------_-------------------------------------------------------- -_______-___________-------------------------------------------------------- ............................................................................ ~. FLOW PROCESS FROM NODE 1021.06 TO NODE 1021.07 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< .----___-------_____-------------------------------------------------------- ............................................................................ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.384 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 9.34 SUBAREA RUNOFF(CFS) = 17.39 TOTAL AREA(ACRES) = 53.50 TOTAL RUNOFF(CFS) = 100.04 TC(M1N) = 15.82 ............................................................................ FLOW PROCESS FROM NODE 1021.07 TO NODE 1021.08 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 36.0 INCH PIPE IS 28.2 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 16.8 UPSTREAM NODE ELEVATION = 353.40 DOWNSTREAM NODE ELEVATION = 349.44 FLOWLENGTH(FEET) = 180.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 36.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 100.04 ............................................................................ ............................................................................ ............................................................................ . TRAVEL TIME(M1N.) = .18 TC(M1N.) = 16.00 ............................................................................ FLOW PROCESS FROM NODE 1021.08 TO NODE 1021.08 IS CODE = 1 ............................................................................ - >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 16.00 RAINFALL INTENSITY (INCH./HOUR) = 3.36 TOTAL STREAM AREA (ACRES) = 53.50 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 100.04 ............................................................................ FLOW PROCESS FROM NODE 1021.09 TO NODE 1021.51 IS CODE = 7 >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<<< USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(M1N) = 15.00 RAIN INTENSITY(INCH/HOUR) = 3.50 TOTAL AREA(ACRES) = 1.52 TOTAL RUNOFF(CFS) = 2.68 c = .55 L(FT) = 450 S = 3.6% Tc = l.g(l.1 - C)fL)^1/2 ............................................................................ ............................................................................ ___________-_______--------------------------------------------------------- [ S (100) ] ^1/3 ............................................................................ FLOW PROCESS FROM NODE 1021.51 TO NODE 1021.10 IS CODE = 6 >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< ............................................................................ ............................................................................ ............................................................................ - UPSTREAM ELEVATION = 496.00 MWNSTREAM ELEVATION = 445.00 STREET LENGTH(FEET) = 700.00 CURB HEIGTH(1NCHES) = 6. STREET HALFWIDTH(FEET) = 20.00 STREET CROSSFALL(DEC1MAL) = .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 7.31 STREET FLOWDEPTH(FEET) = .34 HALFSTREET FLOODWIDTH (FEET) = 10.4 6 AVERAGE FLOW VELOCITY(FEET/SEC.) = 6.03 PRODUCT OF DEPTH&VELOCITY = 2.02 STREETFLOW TRAVELTIME(M1N) = 1.94 TC(M1N) = 16.94 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.239 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 5.20 SUBAREA RUNOFF(CFS) = 9.26 SUMMED AREA(ACRES) = 6.72 TOTAL RUNOFF(CFS) = 11.94 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .38 HALFSTREET FLOODWIDTH(FEET) = 12.77 FLOW VELOCITY(FEET/SEC.) = 6.83 DEPTH*VELOCITY = 2.61 ............................................................................ FLOW PROCESS FROM NODE 1021.10 TO NODE 1021.11 IS CODE = 3 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< ............................................................................ - >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< ESTIMATED PIPE DIAMETER(1NCH) INCREASED TO 18.000 DEPTH OF FLOW IN 18.0 INCH PIPE IS 7.2 INCHES PIPEFMW VEMCITY(FEET/SEC.) = 18.0 UPSTREAM NODE ELEVATION = 445.00 - DOWNSTREAM NODE ELEVATION = 395.00 FMWLENGTH(FEET) = 500.00 MA"1NGS N = .012 ESTIMATED PIPE DIAMETER( INCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 11.94 TRAVEL TIME (MIN. ) = .46 TC(M1N.) = 17.40 ............................................................................ FLOW PROCESS FROM NODE 1021.10 TO NODE 1021.11 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ________________________________________------------------------------------ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.183 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 6.03 SUBAREA RUNOFF(CFS) = 10.56 TOTAL AREA(ACRES) = 12.75 TOTAL RUNOFF(CFS) = 22.50 TC(M1N) = 17.40 ............................................................................ FLOW PROCESS FROM NODE 1021.11 TO NODE 1021.08 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FMW IN 18.0 INCH PIPE IS 9.9 INCHES PIPEFMW VEMCITY(FEET/SEC.) = 22.5 UPSTREAM NODE ELEVATION = 395.00 DOWNSTREAM NODE ELEVATION = 351.00 FMWLENGTH(FEET) = 370.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 PIPEFMW THRU SUBAREA(CFS) = 22.50 TRAVEL TIME(M1N.) = .27 TC(M1N.) = 17.67 ............................................................................ ............................................................................ ............................................................................ - ............................................................................ FLOW PROCESS FROM NODE 1021.11 TO NODE 1021.08 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ________________________________________------------------------------------ -_______________________________________------------------------------------ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.151 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 12.06 SUBAREA RUNOFF(CFS) = 20.90 TOTAL AREA(ACRES) = 24.81 TOTAL RUNOFF(CFS) = 43.40 TC(M1N) = 17.67 ............................................................................ FLOW PROCESS FROM NODE 1021.08 TO NODE 1021.08'IS CODE = 1 ........................................................................... >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(M1NUTES) = 17.67 TOTAL STREAM AREA (ACRES) = 24.81 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 43.40 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) - RAINFALL INTENSITY (INCH./HOUR) = 3.15 ________________________________________------------------------------------ 1 100.04 16.00 3.360 2 43.40 17.67 3.151 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 140.73 TIME(M1NUTES) = 15.996 TOTAL AREA (ACRES) = 78.31 140.73 137.20 DEPTH OF FLOW IN 36.0 INCH PIPE IS 20.2 INCHES PIPEFLOW VELoCITY(FEET/SEC.) = 34.6 UPSTREAM NODE ELEVATION = 349.44 DOWNSTREAM NODE ELEVATION = 291.14 FLOWLENGTH(FEET) = 530.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 36.00 NUMBER OF PIPES = PIPEFLOW THRU SUBAREA(CFS) = 140.73 TRAVEL TIME (MIN. ) = .26 TC(M1N.) = 16.25 - * 1 k t t I ............................................................................ FLOW PROCESS FROM NODE 1021.12 TO NODE 1021.12 IS CODE = 1 ............................................................................ - >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 16.25 RAINFALL INTENSITY (INCH./HOUR) = 3.33 TOTAL STREAM AREA (ACRES) = 85.19 - TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 153.31 ............................................................................ FLOW PROCESS FROM NODE 1021.13 TO NODE 1021.53 IS CODE = 7 >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<<< USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(M1N) = 14.00 RAIN INTENSITY(INCH/HOUR) = 3.66 TOTAL AREA(ACRES) = 4.50 TOTAL RUNOFF(CFS) = 8.79 c = .55 L(FT) = 490 S = 7.8% Tc = 1.8f1.1 - C)fL)*1/2 ............................................................................ ________________________________________------------------------------------ ________________________________________------------------------------------ [S (100) 3 .. 1/3 ............................................................................ FLOW PROCESS FROM NODE 1021.53 TO NODE 1021.14 IS CODE = 6 >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< UPSTREAM ELEVATION = 440.00 DOWNSTREAM ELEVATION = 335.00 STREET LENGTH(FEET) = 1710.00 CURB HEIGTH(1NCHES) = 6. STREET HALFWIDTH(FEET) = 20.00 STREET CROSSFALL(DEC1MAL) = .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 27.64 STREET FLOWDEPTH(FEET) = .40 HALFSTREET FLOODWIDTH(FEET) = 13.93 AVERAGE FLOW VELOCITY(FEET/SEC.) = 6.71 PRODUCT OF DEPTH&VELOCITY = 2.72 ............................................................................ ________________________________________------_----------------------------- ________________________________________---_----------------_--------------- STREETFLOW TRAVELTIME(M1N) = 4.25 TC(M1N) = 18.25 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.087 SOIL CLASSIFICATION IS IrD" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 22.14 SUBAREA RUNOFF(CFS) = 37.59 SUMMED AREA(ACRES) = 26.64 TOTAL RUNOFF(CFS) = 46.38 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH (FEET) = .46 HALFSTREET FLOODWIDTH (FEET) = 16.82 FLOW VELOCITY(FEET/SEC.) = 7.87 DEPTH*VELOCITY = 3.64 - GIVEN PIPE'DIAMETER(INCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 46.38 TRAVEL TIME(M1N.) = .51 TC(M1N.) = 18.75 ............................................................................ - FLOW PROCESS FROM NODE 1021.12 TO NODE 1021.12 IS CODE = 1 .--------------------------------------------------------------------------- >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(M1NUTES) = 18.75 RAINFALL INTENSITY (INCH./HOUR) = 3.03 TOTAL STREAM AREA (ACRES) = 26.64 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 46.38 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN. ) (INCH/HOUR) ________________________________________-----------------_------------------ ________________________________________------------------------------------ ............................................................................ 1 153.31 16.25 3.326 2 46.38 18.75 3.032 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 195.60 TIME(M1NUTES) = 16.251 TOTAL AREA (ACRES) = 111.83 195.60 186.16 ? ........................................................................... FLOW PROCESS FROM NODE 1021.12 TO NODE 1021.15 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< PIPEFLOW VELOCITY(FEET/SEC.) = 27.7 UPSTREAM NODE ELEVATION = 291.14 DOWNSTREAM NODE ELEVATION = 266.78 FLOWLENGTH(FEET) = 420.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 36.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 195.60 TRAVEL TIME(M1N.) = .25 TC(M1N.) = 16.50 ............................................................................ ___________________-____________________------------------------------------ ________________________________________------------------------------------ ............................................................................ FLOW PROCESS FROM NODE 1021.12 TO NODE 1021.15 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ________________________________________------------------------------------ -_______________________________________------------------------------------ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.293 SOIL CLASSIFICATION IS "D" MOBILE HOME DEVELOPMENT RUNOFF COEFFICIENT = .6500 SUBAREA AREA(ACRES) = 6.15 SUBAREA RUNOFF(CFS) = 13.16 TOTAL AREA(ACRES) = 117.98 TOTAL RUNOFF(CFS) = 208.76 ~- TC(M1N) = 16.50 ............................................................................ FLOW PROCESS FROM NODE 1021.15 TO NODE 1021.18 IS CODE = 4 ............................................................................ - >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< ________________________________________------------------------------------ _____________--------------------------------------------------_------------ PIPEFLOW VELOCITY (FEET/SEC. ) = 25.2 UPSTREAM NODE ELEVATION = 266.78 DOWNSTREAM NODE ELEVATION = 244.78 FLOWLENGTH(FEET) = 550.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 39.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 208.76 TRAVEL TIME (MIN. ) = .36 TC(M1N.) = 16.87 ............................................................................ FLOW PROCESS FROM NODE 1021.15 TO NODE 1021.18 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ -----_-_--_-____-_______________________------------------------------------ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.247 SOIL CLASSIFICATION IS "D" MOBILE HOME DEVELOPMENT RUNOFF COEFFICIENT = .6500 SUBAREA AREA(ACRES) = 5.69 SUBAREA RUNOFF(CFS) = 12.01 TOTAL AREA(ACRES) = 123.67 TOTAL RUNOFF(CFS) = 220.77 TC(M1N) = 16.87 ............................................................................ - FLOW PROCESS FROM NODE 1021.18 TO NODE 1021.18 IS CODE = 1 ........................................................................... >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< ............................................................................ ............................................................................ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 16.87 RAINFALL INTENSITY (INCH./HOUR) = 3.25 TOTAL STREAM AREA (ACRES) = 123.67 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 220.77 TO PAGE -909- ............................................................................ FLOW PROCESS FROM NODE 1021.16 TO NODE 1021.17 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< SOIL CLASSIFICATION IS "D" MOBILE HOME DEVELOPMENT RUNOFF COEFFICIENT = .6500 ............................................................................ ----____________________________________-------------------------__--------- ---_-----------_________________________-------------_---------------------- INITIAL SUBAREA FLOW-LENGTH(FEET) = 600.00 UPSTREAM ELEVATION = 295.00 DOWNSTREAM ELEVATION = 280.00 ELEVATION DIFFERENCE = 15.00 URBAN SUBAREA OVERLAND TIME OF FLOW(M1NUTES) = 16.869 *CAUTION: SUBAREA FLOWLENGTH EXCEEDS COUNTY NOMOGRAPH DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED. -~ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.247 SUBAREA RUNOFF(CFS) = 13.21 TOTAL AREA(ACRES) = 6.26 TOTAL RUNOFF(CFS) = 13.21 ............................................................................ - FLOW PROCESS FROM NODE 1021.17 TO NODE 1021.18 IS CODE = 6 .---------__________-------------------------------------------------------- >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< UPSTREAM ELEVATION = 280.00 DOWNSTREAM ELEVATION = STREET LENGTH(FEET) = 600.00 CURB HEIGTH(1NCHES) = 6. STREET HALFWIDTH(FEET) = 20.00 STREET CROSSFALL(DEC1MAL) = .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 15.83 STREET FLOWDEPTH (FEET) = .42 HALFSTREET FLOODWIDTH(FEET) = 14.51 AVERAGE FLOW VELOCITY(FEET/SEC.) = 7.12 PRODUCT OF DEF'TH&VELOCITY = 2.97 ............................................................................ ............................................................................ 240.00 STREETFLOW TRAVELTIME(M1N) = 1.40 TC(M1N) = 18.27 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.084 SOIL CLASSIFICATION IS 'ID" MOBILE HOME DEVELOPMENT RUNOFF COEFFICIENT = .6500 SUBAREA AREA(ACRES) = 2.61 SUBAREA RUNOFF(CFS) = 5.23 SUMMED AREA(ACRES) = 8.87 TOTAL RUNOFF(CFS) = 18.44 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH (FEET) = .43 HALFSTREET FLOODWIDTH (FEET) = 15.09 FLOW VELOCITY (FEET/SEC. ) = 7.70 DEPTH*VELOCITY = 3.30 ............................................................................ _- FLOW PROCESS FROM NODE 1021.18 TO NODE 1021.18 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION (MINUTES) = 18.27 RAINFALL INTENSITY (INCH./HOUR) = 3.08 TOTAL STREAM AREA (ACRES) = 8.87 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 18.44 ............................................................................ ............................................................................ CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER ( CFS 1 (MIN.) (INCH/HOUR) ............................................................................ 1 220.77 16.87 3.247 2 18.44 18.27 3.084 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 238.29 TIME (MINUTES) = 16.869 TOTAL AREA(ACRES) = 132.54 238.29 228.12 - ........................................................................... FLOW PROCESS FROM NODE 1021.18 TO NODE 1021.19 IS CODE = 4 ............................................................................ >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< PIPEFLOW VELOCITY(FEET/SEC.) = 28.7 UPSTREAM NODE ELEVATION = 240.00 DOWNSTREAM NODE ELEVATION = 216.88 FLOWLENGTH(FEET) = 340.00 MA”1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 39.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 238.29 TRAVEL TIME(M1N.) = .20 TC(M1N.) = 17.07 -----------________-____________________------------------------------------ ............................................................................ FLOW PROCESS FROM NODE 1021.19 TO NODE 1021.19 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< ............................................................................ ------------------______________________------------------------_----------- -_______________________________________------------------------------------ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 17.07 RAINFALL INTENSITY (INCH./HOUR) = 3.22 TOTAL STREAM AREA (ACRES) = 132.54 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 238.29 ............................................................................ FLOW PROCESS FROM NODE 1021.20 TO NODE 1021.20 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< SOIL CLASSIFICATION IS “D“ SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 ............................................................................ - INITIAL SUBAREA FLOW-LENGTH(FEET) = 900.00 UPSTREAM ELEVATION = 325.00 DOWNSTREAM ELEVATION = 312.00 ELEVATION DIFFERENCE = 13.00 URBAN SUBAREA OVERLAND TIME OF FLCW(M1NUTES) = 27.891 *CAUTION: SUBAREA FLOWLENGTH EXCEEDS COUNTY NOMOGRAPH DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED. 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.348 SUBAREA RUNOFF(CFS) = 11.32 TOTAL AREA (ACRES) = 8.77 TOTAL RUNOFF(CFS) = 11.32 ............................................................................ FLOW PROCESS FROM NODE 1021.20 TO NODE 1021.21 IS CODE = 4 ............................................................................ >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 18.0 INCH PIPE IS 5.5 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 24.6 UPSTREAM NODE ELEVATION = 312.00 DOWNSTREAM NODE ELEVATION = 212.00 GIVEN PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 11.32 ________________________________________------------------------------------ ________________________________________------------------------------------ - FLOWLENGTH(FEET) = 400.00 MA”1NGS N = .012 TRAVEL TIME (MIN. ) = .27 TC(M1N.) = 28.16 ............................................................................ FLOW PROCESS FROM NODE 1021.21 TO NODE 1021.19 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 24.0 INCH PIPE IS 8.7 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 10.9 UPSTREAM NODE ELEVATION = 212.00 DOWNSTREAM NODE ELEVATION = 198.00 FLOWLENGTH(FEET) = 500.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 11.32 TRAVEL TIME(M1N.) = .76 TC(M1N.) = 28.92 ............................................................................ ________________________________________--------__-------------------------- _____________----_--____________________---_------------__------------------ ............................................................................ FLOW PROCESS FROM NODE 1021.20 TO NODE 1021.19 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ________________________________________------------------------------------ ____________________------------------__---------------_-------------------- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.293 SOIL CLASSIFICATION IS I'D" MOBILE HOME DEVELOPMENT RUNOFF COEFFICIENT = .6500 SUBAREA AREA(ACRES) = 11.16 SUBAREA RUNOFF(CFS) = 16.63 TC(M1N) = 28.92 - TOTAL AREA(ACRES) = 19.93 TOTAL RUNOFF(CFS) = 27.96 ............................................................................ FLOW PROCESS FROM NODE 1021.19 TO NODE 1021.19 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(M1NUTES) = 28.92 RAINFALL INTENSITY (INCH./HOUR) = 2.29 TOTAL STREAM AREA (ACRES) = 19.93 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 27.96 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER ( CFS ) (MIN.) (INCH/HOUR) ............................................................................ ________________________________________------------------------------------ _______________---______________________------------------------------------ ............................................................................ 1 238.29 17.07 3.223 2 27.96 28.92 2.293 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 258.18 197.52 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 258.18 TIME(M1NUTES) = 17.066 TOTAL AREA (ACRES) = 152.47 ............................................................................ FLOW PROCESS FROM NODE 1021.19 TO NODE 1021.22 IS CODE = 8 ............................................................................ >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ---__-____------------------------------------------------------------------ -_-_______------------------------------------------------------------------ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.167 SOIL CLASSIFICATION IS “D“ MOBILE HOME DEVELOPMENT RUNOFF COEFFICIENT = .6500 SUBAREA AREA(ACRES) = 11.61 SUBAREA RUNOFF(CFS) = 23.90 TOTAL AREA(ACRES) = 164.08 TOTAL RUNOFF(CFS) = 282.08 TC(M1N) = 17.53 - ........................................................................... FLOW PROCESS FROM NODE 1021.22 TO NODE 1021.22 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< ............................................................................ ............................................................................ ............................................................................ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 17.53 RAINFALL INTENSITY (INCH./HOUR) = 3.17 TOTAL STREAM AREA (ACRES) = 164.08 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 282.08 ............................................................................ FLOW PROCESS FROM NODE 1021.23 TO NODE 1021.24 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< SOIL CLASSIFICATION IS “D” SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 ............................................................................ ________________________________________------------------------------------ ---------_--------______________________------------------------------------ INITIAL SUBAREA FLOW-LENGTH(FEET) = 500.00 UPSTREAM ELEVATION = 246.00 DOWNSTREAM ELEVATION = 242.00 ELEVATION DIFFERENCE = 4.00 URBAN SUBAREA OVERLAND TIME OF FLOW(M1NUTES) = 24.210 -- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.572 SUBAREA RUNOFF(CFS) = 10.71 TOTAL AREA(ACRES) = 7.57 TOTAL RUNOFF(CFS) = 10.71 n ._ ............................................................................ FLOW PROCESS FROM NODE 1021.24 TO NODE 1021.25 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 18.0 INCH PIPE IS 12.0 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 8.5 UPSTREAM NODE ELEVATION = 242.00 DOWNSTREAM NODE ELEVATION = 235.25 FLOWLENGTH(FEET) = 450.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 10.71 TRAVEL TIME (MIN. ) = .88 TC(M1N.) = 25.09 ............................................................................ ____________________---------_---------------------------------------------- _______--________----------------------------------------------------------- ............................................................................ FLOW PROCESS FROM NODE 1021.24 TO NODE 1021.25 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.513 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 9.28 SUBAREA RUNOFF(CFS) = 12.83 TOTAL AREA(ACRES) = 16.85 TOTAL RUNOFF(CFS) = 23.54 - TC(M1N) = 25.09 ............................................................................ FLOW PROCESS FROM NODE 1021.25 TO NODE 1021.22 IS CODE = 4 ............................................................................ >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 24.0 INCH PIPE IS 14.7 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 11.6 UPSTREAM NODE ELEVATION = 235.25 DOWNSTREAM NODE ELEVATION = 220.25 FLOWLENGTH(FEET) = 750.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 23.54 TRAVEL TIME(M1N.) = 1.08 TC(M1N.) = 26.17 ----_------______----------------------------------------------------------- -___________________--------------------------_----------------------------- ............................................................................ FLOW PROCESS FROM NODE 1021.25 TO NODE 1021.22 IS CODE = 8 ............................................................................ >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< -___________________-----------_--------_--------__------------------------- ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.446 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 4.83 SUBAREA RUNOFF(CFS) = 6.50 TOTAL AREA(ACRES) = 21.68 TOTAL RUNOFF(CFS) = 30.03 TC(M1N) = 26.17 . ............................................................................ FLOW PROCESS FROM NODE 1021.22 TO NODE 102l:ZZ IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< ............................................................................ ............................................................................ ............................................................................ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(M1NUTES) = 26.17 RAINFALL INTENSITY (INCH./HOUR) = 2.45 TOTAL STREAM AREA (ACRES) = 21.68 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 30.03 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN. ) (INCH/HOUR) ............................................................................ 1 282.08 17.53 3.167 2 30.03 26.17 2.446 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 305.28 TIME(M1NUTES) = 17.532 TOTAL AREA(ACRES) = 185.76 305.28 247.91 ............................................................................ FLOW PROCESS FROM NODE 1021.22 TO NODE 1021.26 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< PIPEFLOW VELOCITY (FEET/SEC.) = 24.3 UPSTREAM NODE ELEVATION = 220.25 DOWNSTREAM NODE ELEVATION = 213.40 FLoWLENGTH(FEET) = 410.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 48.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 305.28 TRAVEL TIME (MIN. ) = .28 TC(M1N.) = 17.81 ............................................................................ ............................................................................ ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 1021.22 TO NODE 1021.26 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.135 SOIL CLASSIFICATION IS "D" MOBILE HOME DEVELOPMENT RUNOFF COEFFICIENT = .6500 SUBAREA AREA(ACRES) = 5.01 SUBAREA RUNOFF(CFS) = 10.21 TC(M1N) = 17.81 -~ TOTAL AREA(ACRES) = 190.77 TOTAL RUNOFF(CFS) = 315.49 ............................................................................ FLOW PROCESS FROM NODE 1021.26 TO NODE 1021.26 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< .-------------__________________________------------------------------------- ............................................................................ ---------_______________________________------------------------------------ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 17.81 RAINFALL INTENSITY (INCH./HOUR) = 3.13 TOTAL STREAM AREA (ACRES) = 190.77 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE r 315.49 TO PAGE - 7 17 - ............................................................................ FLOW PROCESS FROM NODE 1021.27 TO NODE 1021.56 IS CODE = 7 >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<<< USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(M1N) = 15.00 RAIN INTENSITY(INCH/HOUR) = 3.50 TOTAL AREA(ACRES) = 5.10 TOTAL RUNOFF (CFS) = 8.98 ________________________________________------------------------------------ ............................................................................ ............................................................................ c = .55 L(FT) = 480 s = 5% .. TC = l.E(l.1 - C)(L)-1/2 [S (100) 3 ^1/3 ............................................................................ FLOW PROCESS FROM NODE 1021.56 TO NODE 1021.28 IS CODE = 6 >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< UPSTREAM ELEVATION = 465.00 DOWNSTREAM ELEVATION = 435.00 STREET LENGTH(FEET) = 470.00 CURB HEIGTH(1NCHES) = 6. STREET HALFWIDTH(FEET) = 20.00 STREET CROSSFALL(DEC1MAL) = .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 11.23 STREET FLOWDEPTH(FEET) = .31 HALFSTREET FLOODWIDTH(FEET) = 9.30 AVERAGE FLOW VELOCITY(FEET/SEC.) = 5.71 PRODUCT OF DEPTH&VELOCITY = 1.78 ............................................................................ --------------------____________________----------------------------------- - STREETFLOW TRAVELTIME(M1N) = 1.37 TC(M1N) = 16.37 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.310 SOIL CLASSIFICATION IS I'D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 2.47 SUBAREA RUNOFF(CFS) = 4.50 SUMMED AREA(ACRES) = 7.57 TOTAL RUNOFF(CFS) = 13.48 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .34 HALFSTREET FLOODWIDTH(FEET) = 10.46 FLOW VELOCITY (FEET/SEC. ) = 5.56 DEPTH*VELOCITY = 1.86 ............................................................................ FLOW PROCESS FROM NODE 1021.28 TO NODE 1021.29 IS CODE = 4 ............................................................................ >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 18.0 INCH PIPE IS 6.7 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 22.6 UPSTREAM NODE ELEVATION = 435.00 DOWNSTREAM NODE ELEVATION = 375.00 FLOWLENGTH(FEET) = 350.00 MA”1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 13.48 TRAVEL TIME (MIN. ) = .26 TC(M1N.) = 16.63 ............................................................................ FLOW PROCESS FROM NODE 1021.28 TO NODE 1021.29 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ --------- ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.277 SOIL CLASSIFICATION IS “D“ SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 10.53 SUBAREA RUNOFF(CFS) = 18.98 TOTAL AREA(ACRES) = 18.10 TOTAL RUNOFF(CFS) = 32.45 TC(M1N) = 16.63 ............................................................................ FLOW PROCESS FROM NODE 1021.29 TO NODE 1021.30 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAYELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< ............................................................................ - DEPTH OF FLOW IN 18.0 INCH PIPE IS 10.5 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 30.5 UPSTREAM NODE ELEVATION = 375.00 DOWNSTREAM NODE ELEVATION = 303.60 FLOWLENGTH(FEET) = 340.00 MA”1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 32.45 TRAVEL TIME (MIN. ) = .19 TC(M1N.) = 16.82 ............................................................................ FLOW PROCESS FROM NODE 1021.30 TO NODE 1021.31 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 24.0 INCH PIPE IS 10.7 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 24.0 UPSTREAM NODE ELEVATION = 303.60 DOWNSTREAM NODE ELEVATION = 265.00 FLOWLENGTH(FEET) = 350.00 MA”1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 32.45 TRAVEL TIME(M1N.) = .24 TC(M1N.) = 17.06 ............................................................................ ---------_--_--_------------------------------------------------------------ ............................................................................ ........................................................................... FLOW PROCESS FROM NODE 1021.29 TO NODE 1021.31 IS CODE = 8 ............................................................................ FLOW PROCESS FROM NODE 1021.31 TO NODE 1021.32 IS CODE = 4 >>>>>COMPUTE PIPEFMW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 24.0 INCH PIPE IS 19.4 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 28.1 UPSTREAM NODE ELEVATION = 265.00 DOWNSTREAM NODE ELEVATION = 238.75 FLOWLENGTH(FEET) = 250.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 76.46 TRAVEL TIME (MIN. ) = .15 TC(M1N.) = 17.21 ............................................................................ -_______________________________________------------------------------------ ________________________________________------------------------------------ ............................................................................ - FLOW PROCESS FROM NODE 1021.32 TO NODE 1021.33 IS CODE = 4 .---------__--_____-------------------------------------------------------- >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< PIPEFLOW VELOCITY(FEET/SEC.) = 15.6 UPSTREAM NODE ELEVATION = 238.75 DOWNSTREAM NODE ELEVATION = 229.15 FLOWLENGTH(FEET) = 600.00 MA"1KGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 30.00 NUMBER OF PIPES = 1 PIPEFMW THRU SUBAREA(CFS) = 76.46 TRAVEL TIME(M1N.) = .64 TC(M1N.) = 17.85 ________________________________________------------------------------------ ________________________________________------------------------------------ .............................................................................. FLOW PROCESS FROM NODE 1021.32 TO NODE 1021.33 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ --________-________-____________________------------------------------------ _________________________________________----------------------------------- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.131 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 5.52 SUBAREA RUNOFF(CFS) = 9.50 TOTAL AREA(ACRES) = 48.44 TOTAL RUNOFF(CFS) = 85.96 TC(M1N) = 17.85 .......................................................................... FLOW PROCESS FROM NODE 1021.33 TO NODE 1021.26 IS CODE = 4 ............................................................................ >>>>>COMPUTE PI PEFLOW 'TRAVELTIME THFN SUBAREA< < < < < >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 30.0 INCH PIPE IS 16.3 INCHES PIPEFMW VELOCITY(FEET/SEC.) = 31.6 UPSTREAM NODE ELEVATION = 229.15 DOWNSTREAM NODE ELEVATION = 177.55 FLOWLENGTH(FEET) = 430.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 30.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) 5 85.96 TRAVEL TIME (MIN. ) = .23 TC(M1N.) = 18.08 ............................................................................. ............................................................................ FLOW PROCESS FROM NODE 1021.26 TO NODE 1021.26 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< ............................................................................ >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< ............................................................................ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(M1NUTES) = 18.08 RAINFALL INTENSITY (INCH./HOUR) = 3.11 TOTAL STREAM AREA (ACRES) = 48.44 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 85.96 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY - NUMBER ( CFS ) (MIN.) (INCH/HOUR) ........................................................................... 1 315.49 17.81 3.135 2 85.96 18.08 3.105 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 400.64 TIME(M1NUTES) = 17.813 TOTAL AREA (ACRES) = 239.21 400.64 398.46 ............................................................................ FLOW PROCESS FROM NODE 1021.26 TO NODE 1021.34 IS CODE = 4 >>>>>COMPUTE PIPEFMW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< PIPEFLOW VELOCITY(FEET/SEC.) = 31.9 UPSTREAM NODE ELEVATION = 177.55 DOWNSTREAM NODE ELEVATION = 151.70 FLOWLENGTH(FEET) = 550.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 48.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 400.64 TRAVEL TIME(M1N.) = .29 TC(M1N.) = 18.10 ............................................................................ ............................................................................ ------_-__-__------_____________________-___-------------------------------- ............................................................................ FLOW PROCESS FROM NODE 1021.34 TO NODE 1021.34 IS CODE = 8 ............................................................................ . >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.103 SOIL CLASSIFICATION IS aD" MOBILE HOME DEVELOPMENT RUNOFF COEFFICIENT = .6500 SUBAREA AREA(ACRES) = 3.53 SUBAREA RUNOFF(CFS) = 7.12 TOTAL AREA(ACRES) = 242.74 TOTAL RUNOFF(CFS) = 407.76 TC(M1N) = 18.10 ........................................................................... ........................................................................... ............................................................................ FLOW PROCESS FROM NODE 1021.34 TO NODE 1021.35 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< PIPEFLOW VELOCITY (FEET/SEC. ) = 32.4 UPSTREAM NODE ELEVATION = 151.70 DOWNSTREAM NODE ELEVATION = 139.70 FLOWLENGTH(FEET) = 300.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 48.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 407.76 TRAVEL TIME (MIN. ) = .15 TC(M1N.) = 18.25 ............................................................................ ............................................................................ -__-_-__---_----_----------------------------------------------------------- SOIL CLASSIFICATION IS "D" MOBILE HOME DEVELOPMENT RUNOFF COEFFICIENT = .6500 SUBAREA AREA(ACRES) = 19.53 SUBAREA RUNOFF(CFS) = 39.17 TOTAL AREA(ACRES) = 262.27 TOTAL RUNOFF(CFS) = 446.93 TC(M1N) = 18.25 ............................................................................ FLOW PROCESS FROM NODE 1021.35 TO NODE 1021.36 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< ............................................................................ PIPEFLOW VELOCITY (FEET/SEC. ) = 28.1 UPSTREAM NODE ELEVATION = 139.70 DOWNSTREAM NODE ELEVATION = 121.70 FLOWLENGTH(FEET) = 450.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 54.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 446.93 TRAVEL TIME(M1N.) = .27 TC(M1N.) = 18.52 x*************************************************************************** FLOW PROCESS FROM NODE 1021.36 TO NODE 1021.36 IS CODE = 1 ............................................................................ >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 18.52 RAINFALL INTENSITY (INCH./HOUR) = 3.06 TOTAL STREAM AREA (ACRES) = 262.27 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 446.93 __________------___--------------------------------------------------------- __________---______--------------------------------------------------------- ............................................................................ FLOW PROCESS FROM NODE 1021.37 TO NODE 1021.37 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< SOIL CLASSIFICATION IS "D" MOBILE HOME DEVELOPMENT RUNOFF COEFFICIENT = .6500 ............................................................................ ________________________________________------------------------------------ ________________________________________------------------------------------ INITIAL SUBAREA FLOW-LENGTH(FEET) = 300.00 UPSTREAM ELEVATION = 280.00 DOWNSTREAM ELEVATION = 275.00 ELEVATION DIFFERENCE = 5.00 URBAN SUBAREA OVERLAND TIME OF FLOW(M1NUTES) = 12.671 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.905 SUBAREA RUNOFF(CFS) = 2.87 TOTAL AREA(ACRES) = 1.13 TOTAL RUNOFF(CFS) = 2.87 ............................................................................ - FMW PROCESS FROM NODE 1021.37 TO NODE 1021.38 IS CODE = 4 .----------------__-------------------------------------------------------- >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 18.0 INCH PIPE IS 8.0 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 3.8 UPSTREAM NODE ELEVATION = 275.00 DOWNSTREAM NODE ELEVATION = 274.68 FLOWLENGTH (FEET) = 80.00 MANNINGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 2.87 TRAVEL TIME (MIN. ) = .35 TC(M1N.) = 13.02 ............................................................................ FLOW PROCESS FROM NODE 1021.38 TO NODE 1021.38 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 24.0 INCH PIPE IS 2.3 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 18.2 UPSTREAM NODE ELEVATION = 274.68 DOWNSTREAM NODE ELEVATION = 245.00 FLOWLENGTH (FEET) = 80.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 2.87 TRAVEL TIME(M1N.) = .07 TC(M1N.) = 13.10 ............................................................................ ________________________________________---_-------------------------------- ________________________________________------------------------------------ - ............................................................................ FLOW PROCESS FROM NODE 1021.38 TO NODE 1021.38 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 24.0 INCH PIPE IS 6.5 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 4.2 UPSTREAM NODE ELEVATION = 245.00 DOWNSTREAM NODE ELEVATION = 243.88 FLOWLENGTH(FEET) = 200.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 2.87 TRAVEL TIME(M1N.) = .80 TC(M1N.) = 13.90 ............................................................................ ............................................................................ ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 1021.38 TO NODE 1021.38 IS CODE = 8 ............................................................................ >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.679 SOIL CLASSIFICATION IS "D" MOBILE HOME DEVELOPMENT RUNOFF COEFFICIENT = .6500 SUBAREA AREA(ACRES) = 1.48 SUBAREA RUNOFF(CFS) = 3.54 TOTAL AREA(ACRES) = 2.61 TOTAL RUNOFF(CFS) = 6.41 TC(M1N) = 13.90 ............................................................................ FLOW PROCESS FROM NODE 1021.38 TO NODE 1021.38 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 24.0 INCH PIPE IS 8.1 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 6.8 UPSTREAM NODE ELEVATION = 243.88 DOWNSTREAM NODE ELEVATION = 238.00 FLOWLENGTH(FEET) = 500.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 6.41 TRAVEL TIME(M1N.) = 1.22 TC(M1N.) = 15.12 ............................................................................ ............................................................................ ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 1021.38 TO NODE 1021.38 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.485 MOBILE HOME DEVELOPMENT RUNOFF COEFFICIENT = .6500 SUBAREA AREA(ACRES) = 3.01 SUBAREA RUNOFF(CFS) = 6.82 TOTAL AREA (ACRES) = 5.62 TOTAL RUNOFF(CFS) = 13.23 - SOIL CLASSIFICATION IS "D" TC(M1N) = 15.12 --c***************************************************************************** FLOW PROCESS FROM NODE 1021.38 TO NODE 1021.36 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 225.00 DOWNSTREAM NODE ELEVATION = 125.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 650.00 CHANNEL BASE (FEET) = .OO IIZ" FACTOR = 8.000 MA"1NGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 5.00 CHANNEL FLOW THRU SUBAREA(CFS) = 13.23 TRAVEL TIME(M1N.) = 1.82 TC(M1N.) = 16.94 ............................................................................ ............................. .............................................................................. FLOW VELOCITY(FEET/SEC) = 5.95 FLOW DEPTH(FEET) = .53 ............................................................................ FLOW PROCESS FROM NODE 1021.38 TO NODE 1021.36 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ -___________---------------------------------------------------------------- ________________________________________------------------------------------ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.238 SOIL CLASSIFICATION IS "D" MOBILE HOME DEVELOPMENT RUNOFF COEFFICIENT = .6500 SUBAREA AREA(ACRES) = 4.84 SUBAREA RUNOFF(CFS) = 10.19 TC(M1N) = 16.94 __ TOTAL AREA(ACRES) = 10.46 TOTAL RUNOFF(CFS) = 23.41 ............................................................................ FLOW PROCESS FROM NODE 1021.36 TO NODE 1021.36 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >>>>>AND COMPUTE VARIOUS CONFLUENCEG STREAM VALUES<<<<< ............................................................................ ............................................................................ ............................................................................ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(M1NUTES) = 16.94 RAINFALL INTENSITY (INCH./HOUR) = 3.24 TOTAL STREAM AREA (ACRES) = 10.46 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 23.41 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER ( CFS 1 (MIN. ) (INCH/HOUR) ............................................................................ 1 446.93 18.52 3.057 2 23.41 16.94 3.238 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 469.03 445.31 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 469.03 TIME(M1NUTES) = 18.522 TOTAL AREA(ACRES) = 272.73 ............................................................................ .- FLOW PROCESS FROM NODE 1021.36 TO NODE 1021.39 IS CODE = 5 ........................................................................... >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 125.00 DOWNSTREAM NODE ELEVATION = 75.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 450.00 CHANNEL BASE(FEET) = .OO l'Z1' FACTOR = 5.000 MA"1NGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 5.00 CHANNEL FLOW THRU SUBAREA(CFS) = 469.03 FLOW VELOCITY(FEET/SEC) = 14.33 FLOW DEPTH(FEET) = 2.56 TRAVEL TIME (MIN. ) = .52 TC(M1N.) = 19.04 ___________________---------------------------------_------------------~---- ____________-__------------------------------------------------------------- ............................................................................ FLOW PROCESS FROM NODE 1021.39 TO NODE 1021.39 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< ............................................................................ ________________________________________------------------------------~~---- ________________________________________------------------------~----------- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 19.04 RAINFALL INTENSITY (INCH./HOUR) = 3.00 TOTAL STREAM AREA (ACRES) = 272.73 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 469.03 _- ........................................................................... FLOW PROCESS FROM NODE 1021.40 TO NODE 1021.57 IS CODE = 7 >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<<< USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(M1N) = 12.00 RAIN INTENSITY(INCH/HOUR) = 4.04 TOTAL AREA(ACRES) = 5.98 TOTAL RUNOFF(CFS) = 15.55 C = .65 L(FT) = 450 s = 4.5% ............................................................................ -_______________________________________------------------------------------ ________________________________________------------------------------------ TC = i.a(i.1 - c) (L) -i/2 [S (100) 3 -1/3 ............................................................................ FLOW PROCESS FROM NODE 1021.57 TO NODE 1021.41 IS CODE = 6 >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< UPSTREAM ELEVATION = 325.00 DOWNSTREAM ELEVATION = 225.00 STREET LENGTH(FEET) = 1450.00 CURB HEIGTH(1NCHES) = 6. STREET HALFWIDTH(FEET) = 20.00 STREET CROSSFALL(DEC1MAL) = .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 42.07 STREET FLOWDEPTH(FEET) = .45 HALFSTREET FLOODWIDTH(FEET) = 16.24 AVERAGE FLOW VELOCITY (FEET/SEC. ) = 7.63 PRODUCT OF DEPTH&VELOCITY = 3.44 ............................................................................ ________________________________________-------------------_---------------- ________________________________________------------------------------------ STREETFLOW TRAVELTIME(M1N) = 3.17 TC(M1N) = 15.17 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.478 SOIL CLASSIFICATION IS "D" MOBILE HOME DEVELOPMENT RUNOFF COEFFICIENT = .6500 SUBAREA AREA(ACRES) = 23.40 SUBAREA RUNOFF(CFS) = 52.89 SUMMED AREA(ACRES) = 29.38 TOTAL RUNOFF(CFS) = 68.44 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH (FEET) = .52 HALFSTREET FLOODWIDTH (FEET) = 19.71 FLOW VELoCITY(FEET/SEC.) = 8.55 DEPTH*VELOCITY = 4.45 ............................................................................ FLOW PROCESS FROM NODE 1021.41 TO NODE 1021.42 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAWLTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< PIPEFLOW VELOCITY(FEET/SEC.) = 21.8 UPSTREAM NODE ELEVATION = 225.00' DOWNSTREAM NODE ELEVATION = 216.50 FLOWLENGTH(FEET) = 340.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 68.44 TRAVEL TIME(M1N.) = .26 TC(M1N.) = 15.43 ............................................................................ -----____------------------------------------------------------------------- --_______------------------------------------------------------------------- ............................................................................ FLOW PROCESS FROM NODE 1021.42 TO NODE 1021.39 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 216.50 DOWNSTREAM NODE ELEVATION = 75.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 450.00 CHANNEL BASE(FEET) = .OO IIZ" FACTOR = 8.000 MA"1NGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 5.00 CHANNEL FLOW THRU SUBAREA(CFS) = 68.44 FLOW VELoCITY(FEET/SEC) = 12.13 FLOW DEPTH(FEET) = .84 TRAVEL TIME (MIN. ) = .62 TC(M1N.) = 16.04 ............................................................................ ..~ ............................................................................ ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 1021.39 TO NODE 1021.39 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(M1NUTES) = 16.04 RAINFALL INTENSITY (INCH./HOUR) = 3.35 TOTAL STREAM AREA (ACRES) = 29.38 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 68.44 ............................................................................ ............................................................................ ............................................................................ - CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN. ) ( INCH/HOUR) ............................................................................ 1 469.03 19.04 3.002 2 68.44 16.04 3.353 - RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 530.31 TIME(M1NUTES) = 19.045 TOTAL AREA (ACRES) = 302.11 530.31 488.38 ............................................................................ FLOW PROCESS FROM NODE 1021.39 TO NODE 1021.39 IS CODE = 8 ............................................................................ >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.002 SOIL CLASSIFICATION IS I'D" RURAL DEVELOPMENT RUNOFF COEFFICIENT = .4500 SUBAREA AREA(ACRES) = 8.42 SUBAREA RUNOFF(CFS) = 11.38 TOTAL AREA(ACRES) = 310.53 TOTAL RUNOFF(CFS) = 541.68 TC(M1N) = 19.04 LINE "DH" ............................................................................ FLOW PROCESS FROM NODE 982.01 TO NODE 982.02 IS CODE = 2 ............................................................................ >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< SOIL CLASSIFICATION IS "D" RURAL DEVELOPMENT RUNOFF COEFFICIENT = .4500 ________________________________________----------------------------------- NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION WITH 10-MINUTES ADDED = 14.07(MINUTES) INITIAL SUBAREA FLOW-LENGTH(FEET) = 800.00 UPSTREAM ELEVATION = 570.00 DOWNSTREAM ELEVATION = 525.00 ELEVATION DIFFERENCE = 45.00 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.651 SUBAREA RUNOFF(CFS) = 16.46 TOTAL AREA(ACRES) = 10.02 TOTAL RUNOFF(CFS) = 16.46 .............................................................................. FLOW PROCESS FROM NODE 982.02 TO NODE 982.03 IS CODE = 3 ............................................................................ >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IN 18.0 INCH PIPE IS 13.8 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 11.3 UPSTREAM NODE ELEVATION = 525.00 DOWNSTREAM NODE ELEVATION = 510.00 FLOWLENGTH(FEET) = 600.00 MA"1NGS N = .012 PIPEFLOW THRU SUBAREA(CFS) = 16.46 TRAVEL TIME (MIN. ) = .89 TC(M1N.) = 14.95 -___________-__-____--------- ............................................................................ - ESTIMATED PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.509 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 13.50 SUBAREA RUNOFF(CFS) = 26.06 TOTAL AREA(ACRES) = 23.52 TOTAL RUNOFF(CFS) = 42.52 TC(M1N) = 14.95 ............................................................................ FLOW PROCESS FROM NODE 982.03 TO NODE 982.03 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< ............................................................................ ------------I==------------------------------------------------------------- ------------ ............................................................. CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 14.95 RAINFALL INTENSITY (INCH./HOUR) = 3.51 TOTAL STREAM AREA (ACRES) = 23.52 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 42.52 TO PAGE -926- ............................................................................ - FLOW PROCESS FROM NODE 982.04 TO NODE 982.50 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< SOIL CLASSIFICATION IS "D" RURAL DEVELOPMENT RUNOFF COEFFICIENT = .4500 ........................................................................... ............................................................................ ............................................................................ NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION WITH 10-MINUTES ADDED = 13.36(MINUTES) INITIAL SUBAREA FLOW-LENGTH(FEET) = 1150.00 UPSTREAM ELEVATION = 729.00 DOWNSTREAM ELEVATION = 510.00 ELEVATION DIFFERENCE = 219.00 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.773 SUBAREA RUNOFF (CFS) = 32.38 TOTAL AREA(ACRES) = 19.07 TOTAL RUNOFF(CFS) = 32.38 ............................................................................ FLOW PROCESS FROM NODE 982.03 TO NODE 982.03 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< ............................................................................ ............................................................................ ............................................................................ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(M1NUTES) = 13.36 TOTAL STREAM AREA (ACRES) = 19.07 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 32.38 - RAINFALL INTENSITY (INCH./HOUR) = 3.77 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER ( CFS 1 (MIN. ) (INCH/HOUR) - ........................................................................... 1 42.52 14.95 3.509 2 32.38 13.36 3.773 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 72.63 TIME(M1NUTES) = 14.953 TOTAL AREA(ACRES) = 42.59 72.63 71.93 ............................................................................ FLOW PROCESS FROM NODE 982.03 TO NODE 982.05 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 30.0 INCH PIPE IS 18.2 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 23.3 UPSTREAM NODE ELEVATION = 510.00 DOWNSTREAM NODE ELEVATION = 493.80 FLOWLENGTH(FEET) = 270.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 30.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 72.63 ............................................................................ ....................................................... ............................................................................ - TRAVEL TIME(M1N.) = .19 TC(M1N.) = 15.15 ............................................................................ FLOW PROCESS FROM NODE 982.05 TO NODE 982.06 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 30.0 INCH PIPE IS 15.4 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 28.5 UPSTREAM NODE ELEVATION = 493.80 DOWNSTREAM NODE ELEVATION = 475.44 FLOWLENGTH(FEET) = 180.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 30.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 72.63 TRAVEL TIME(M1N.) = .ll TC(M1N.) = 15.25 ............................................................................ ............................................................................ ----___----------___-------------------------------------------------------- ............................................................................ FLOW PROCESS FROM NODE 982.06 TO NODE 982.07 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< ............................................................................ ............................................................................ ............................................................................ - DEPTH OF FLOW IN 30.0 INCH PIPE IS 18.2 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 23.3 UPSTREAM NODE ELEVATION = 475.44 DOWNSTREAM NODE ELEVATION = 463.44 FLOWLENGTH(FEET) = 200.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 30.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 72.63 - TRAVEL TIME(M1N.) = .14 TC(M1N.) = 15.39 ............................................................................ FLOW PROCESS FROM NODE 982.03 TO NODE 982.07 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ _-______________________________________------------------------------------ ________________________________________----__-------------_---------------- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.444 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 17.13 SUBAREA RUNOFF(CFS) = 32.45 TOTAL AREA(ACRES) = 59.72 TOTAL RUNOFF(CFS) = 105.08 TC(M1N) = 15.39 ............................................................................ FLOW PROCESS FROM NODE 982.07 TO NODE 982.07 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< ............................................................................ ________________________________________------------------------------------ ___-____________________________________------------------------------------ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 15.39 RAINFALL INTENSITY (INCH./HOUR) = 3.44 TOTAL STREAM AREA (ACRES) = 59.72 - TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 105.08 ............................................................................ FLOW PROCESS FROM NODE 982.08 TO NODE 982.09 IS CODE = 7 >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<<< USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(M1N) = 16.00 RAIN INTENSITY(INCH/HOUR) = 3.36 TOTAL AREA(ACRES) = 6.21 TOTAL RUNOFF(CFS) = 11.27 C = .65 L(FT) = 550 S = 6% ............................................................................ ________________________________________---------------------_-------------- ________________________________________--------------------_--------------- Tc = 1.8/1.1 - C)/L)-1/2 [S (100) ] -1/3 ............................................................................. FLOW PROCESS FROM NODE 982.09 TO NODE 982.10 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 24.0 INCH PIPE IS 13.5 INCHES PIPEFLOW VELOCITY (FEET/SEC. ) = 6.2 UPSTREAM NODE ELEVATION = 492.00 DOWNSTREAM NODE ELEVATION = 490.38 FLOWLENGTH(FEET) = 270.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 11.27 TRAVEL TIME (MIN. ) = .73 TC(M1N.) = 16.73 ............................................................................ -_______________________________________------------------------------------ ________________________________________------------------------------------ .............................................................................. FLOW PROCESS FROM NODE 982.09 TO NODE 982.10 IS CODE = 0 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ------------ .............................................................................. 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.264 SOIL CLASSIFICATION IS 'ID" MOBILE HOME DEVELOPMENT RUNOFF COEFFICIENT = .6500 TOTAL AREA(ACRES) = 13.67 TOTAL RUNOFF(CFS) = 27.10 TC(M1N) = 16.73 SUBAREA AREA(ACRES) = 7.46 SUBAREA RUNOFF(CFS) = 15.83 ............................................................................ FLOW PROCESS FROM NODE 902.10 TO NODE 982.11 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 24.0 INCH PIPE IS 6.4 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 40.2 UPSTREAM NODE ELEVATION = 490.38 DOWNSTREAM NODE ELEVATION = 458.58 FLOWLENGTH(FEET) = 60.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 27.10 ............................................................................ ------------L==------------------------------------------------------------- ------------ ............................................................. '- TRAVEL TIME(M1N.) = .02 TC(M1N.) = 16.75 ............................................................................ FLOW PROCESS FROM NODE 982.11 TO NODE 982.07 IS CODE = 4 ............................................................................ >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< PIPEFLOW VELOCITY (FEET/SEC. ) = 8.6 UPSTREAM NODE ELEVATION = 458.58 DOWNSTREAM NODE ELEVATION = 456.62 FLOWLENGTH(FEET) = 280.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 27.10 TRAVEL TIME(M1N.) = .54 TC(M1N.) = 17.29 ............................................................................ ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 982.07 TO NODE 982.07 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< ............................................................................ ---_____________________________________------------------------------------ ............................................................................ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: RAINFALL INTENSITY (INCH./HOUR) = 3.20 TOTAL STREAM AREA (ACRES) = 13.67 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 27.10 - TIME OF CONCENTRATION(M1NUTES) = 17.29 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY - NUMBER (CFS) (MIN. ) (INCH/HOUR) ........................................................................... 1 105.08 15.39 3.444 2 27.10 17.29 3.195 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 130.22 124.58 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 130.22 TIME(M1NUTES) = 15.395 TOTAL AREA(ACRES) = 73.39 ............................................................................ FLOW PROCESS FROM NODE 982.07 TO NODE 982.12 IS CODE = 4 >>>>>COMPUTE PIPEFMW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< ............................................................................ PIPEFLOW VELOCITY(FEET/SEC.) = 26.5 UPSTREAM NODE ELEVATION = 456.62 DOWNSTREAM NODE ELEVATION = 448.22 FLOWLENGTH(FEET) = 140.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 30.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 130.22 - TRAVEL TIME(M1N.) = .09 TC(M1N.) = 15.48 ............................................................................ FLOW PROCESS FROM NODE 982.12 TO NODE 982.13 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< PIPEFLOW VELOCITY(FEET/SEC.) = 13.5 UPSTREAM NODE ELEVATION = 448.22 DOWNSTREAM NODE ELEVATION = 443.02 FLOWLENGTH(FEET) = 400.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 42.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 130.22 TRAVEL TIME (MIN. ) = .49 TC(M1N.) = 15.98 ________________________________________------------------------------------ ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 982.13 TO NODE 982.14 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< PIPEFLOW VELOCITY(FEET/SEC.) = 18.4 UPSTREAM NODE ELEVATION = 443.02 - DOWNSTREAM NODE ELEVATION = 440.87 FLOWLENGTH(FEET) = 430.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 36.00 NUMBER OF PIPES = 1 ............................................................................ ------____________-_____________________------------------------------------ ............................................................................ PIPEFLOW THRU SUBAREA(CFS) = 130.22 TRAVEL TIME(M1N.) = .39 TC(M1N.) = 16.36 ,-- ............................................................................ FLOW PROCESS FROM NODE 982.14 TO NODE 982.14 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< ............................................................................ ............................................................................ ............................................................................ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 16.36 RAINFALL INTENSITY (INCH./HOUR) = 3.31 TOTAL STREAM AREA (ACRES) = 73.39 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 130.22 ............................................................................ FLOW PROCESS FROM NODE 982.15 TO NODE 982.51 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 ............................................................................ ............................................................................ ............................................................................ INITIAL SUBAREA FLOW-LENGTH(FEET) = 555.00 UPSTREAM ELEVATION = 556.00 DOWNSTREAM ELEVATION = . 550.00 ELEVATION DIFFERENCE = 6.00 _- URBAN SUBAREA OVERLAND TIME OF FLOW(M1NUTES) = 23.346 NOMOGRAPH DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED. *CAUTION: SUBAREA FLOWLENGTH EXCEEDS COUNTY 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.633 SUBAREA RUNOFF(CFS) = 7.24 TOTAL AREA (ACRES) = 5.00 TOTAL RUNOFF(CFS) = 7.24 ............................................................................ FLOW PROCESS FROM NODE 982.51 TO NODE 982.16 IS CODE = 6 >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< UPSTREAM ELEVATION = 550.00 DOWNSTREAM ELEVATION = 453.00 STREET LENGTH(FEET) = 800.00 CURB HEIGTH(1NCHES) = 6. STREET HALFWIDTH(FEET) = 20.00 STREET CROSSFALL(DEC1MAL) = .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 18.15 STREET FLOWDEPTH(FEET) = .32 AVERAGE FLOW VELOCITY (FEET/SEC. ) = 8.29 PRODUCT OF DEPTH&VELOCITY = 2.68 ............................................................................ ............................................................................ ............................................................................ HALFSTREET FLOODWIDTH(FEET) = 9.88 STREETFLOW TRAVELTIME(M1N) = 1.61 TC(M1N) = 24.95 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.522 - SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SOIL CLASSIFICATION IS "D" SUBAREA AREA(ACRES) = 15.78 SUBAREA RUNOFF(CFS) = 21.89 SUMMED AREA(ACRES) = 20.78 TOTAL RUNOFF(CFS) = 29.13 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(PEET) = .37 HALFSTREET FLOODWIDTH(FEET) = 12.20 FLOW VELOCITY(FEET/SEC.) = 9.07 DEPTH*VELOCITY = 3.36 - ........................................................................... FLOW PROCESS FROM NODE 982.16 TO NODE 982.17 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 24.0 INCH PIPE IS 14.9 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 14.3 UPSTREAM NODE ELEVATION = 453.00 DOWNSTREAM NODE ELEVATION = 450.00 FLOWLENGTH(FEET) = 100.00 MA”1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 29.13 TRAVEL TIME (MIN. ) = .12 TC(M1N.) = 25.07 ............................................................................ ___________________--------------------------------------------------------- ________________________________________------------------------------------ ............................................................................ FLOW PROCESS FROM NODE 982.17 TO NODE 982.14 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 24.0 INCH PIPE IS 15.0 INCHES PIPEFLOW VELOCITY (FEET/SEC. ) = 14.1 DOWNSTREAM NODE ELEVATION = 444.20 FLOWLENGTH(FEET) = 200.00 MA”1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 29.13 TRAVEL TIME (MIN. ) = .24 TC(M1N.) = 25.31 ............................................................................ ________________________________________------------------------------------ -_______________________________________--------------------_--------------- - UPSTREAM NODE ELEVATION = 450.00 ............................................................................ FLOW PROCESS FROM NODE 982.14 TO NODE 982.1’4 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< ............................................................................ ________________________________________-------------_---------------------- ________________________________________------------------------------------ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(M1NUTES) = 25.31 RAINFALL INTENSITY (INCH./HOUR) = 2.50 TOTAL STREAM AREA (ACRES) = 20.78 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 29.13 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN. ) (INCH/HOUR) ............................................................................ 1 130.22 16.36 3.311 2 29.13 25.31 2.499 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 152.21 127.43 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 152.21 TIME(M1NUTES) = 16.364 - TOTAL AREA(ACRES) = 94.17 ............................................................................ FLOW PROCESS FROM NODE 982.14 TO NODE 982.18 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 54.0 INCH PIPE IS 37.2 INCHES PIPEFLOW VELOCITY (FEET/SEC. ) = 13.0 UPSTREAM NODE ELEVATION = 444.20 DOWNSTREAM NODE ELEVATION = 441.16 FLOWLENGTH(FEET) = 380.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 54.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 152.21 TRAVEL TIME (MIN. ) = .49 TC(M1N.) = 16.85 ............................................................................ -__________________--------------------------------------------------------- ___________________----------------------------------------__--------------- ............................................................................ FLOW PROCESS FROM NODE 982.13 TO NODE 982.18 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ -----------__----- ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.249 - SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 17.71 SUBAREA RUNOFF(CFS) = 31.65 TOTAL AREA(ACRES) = 111.88 TOTAL RUNOFF(CFS) = 183.86 TC(M1N) = 16.85 ............................................................................ FLOW PROCESS FROM NODE 982.18 TO NODE 982.19 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 54.0 INCH PIPE IS 40.6 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 14.3 UPSTREAM NODE ELEVATION = 441.16 DOWNSTREAM NODE ELEVATION = 438.34 FLOWLENGTH(FEET) = 300.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 54.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 183.86 TRAVEL TIME (MIN. ) = .35 TC(M1N.) = 17.20 ............................................................................ -------------______------------------_-------------------------------------- ---------__________-____________________------------------------------------ SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 12.30 SUBAREA RUNOFF(CFS) = 21.69 TC(M1N) = 17.20 - TOTAL AREA(ACRES) = 124.18 TOTAL RUNOFF(CFS) = 205.55 ............................................................................ FLOW PROCESS FROM NODE 982.19 TO NODE 982.20 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 54.0 INCH PIPE IS 33.3 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 20.0 UPSTREAM NODE ELEVATION = 438.34 DOWNSTREAM NODE ELEVATION = 435.34 FLOWLENGTH(FEET) = 150.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 54.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 205.55 TRAVEL TIME(M1N.) = .13 TC(M1N.) = 17.32 ............................................................................ ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 982.20 TO NODE 982.21 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 54.0 INCH PIPE IS 26.8 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 26.0 UPSTREAM NODE ELEVATION = 435.34 DOWNSTREAM NODE ELEVATION = 425.34 FLOWLENGTH(FEET) = 250.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 54.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 205.55 TRAVEL TIME (MIN. ) = .16 TC(M1N.) = 17.48 ............................................................................ ............................................................................ ............................................................................ - ............................................................................ FLOW PROCESS FROM NODE 982.21 TO NODE 982.22 rs CODE = 4 ............................................................................ >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<*: >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 54.0 INCH PIPE IS 40.2 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 16.2 UPSTREAM NODE ELEVATION = 425.34 DOWNSTREAM NODE ELEVATION = 417.90 FLoWLENGTH(FEET) = 620.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 54.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 205.55 TRAVEL TIME (MIN. ) = .64 TC(M1N.) = 18.12 ......................... ................................................... --------- ........................................................................... FLOW PROCESS FROM NODE 982.20 TO NODE 982.22 IS CODE = 8 ............................................................................ >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< .............................................................................. -~ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.100 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 30.46 SUBAREA RUNOFF(CFS) = 51.94 TOTAL AREA(ACRES) = 154.64 TOTAL RUNOFF(CFS) = 257.49 TC(M1N) = 18.12 ............................................................................ FLOW PROCESS FROM NODE 982.22 TO NODE 982.23 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 60.0 INCH PIPE IS 48.5 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 15.1 UPSTREAM NODE ELEVATION = 417.90 DOWNSTREAM NODE ELEVATION = 412.86 FLOWLENGTH(FEET) = 560.00 MANNINGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 60.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 257.49 TRAVEL TIME (MIN. ) = .62 TC(M1N.) = 18.74 ............................................................................ ............................................................................ ............................................................................ - FLOW PROCESS FROM NODE 982.23 TO NODE 982.24 IS CODE = 4 .___----_____---____------------------------------------------------------- >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< PIPEFLOW VELOCITY(FEET/SEC.) = 13.1 UPSTREAM NODE ELEVATION = 412.86 DOWNSTREAM NODE ELEVATION = 412.66 FLOWLENGTH(FEET) = 200.00 MANNINGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 60.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 257.49 TRAVEL TIME (MIN. ) = .25 TC(M1N.) = 18.99 ________________________________________------------------------------------ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.008 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 14.20 SUBAREA RUNOFF(CFS) = 23.49 TOTAL AREA(ACRES) = 168.84 TOTAL RUNOFF(CFS) = 280.98 TC(M1N) = 18.99 ............................................................................ FLOW PROCESS FROM NODE 982.24 TO NODE 982.24 IS CODE = 1 ............................................................................ FLOW PROCESS FROM NODE 982.25 TO NODE 982.52 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 ............................................................................ ____________________-------------------------------------------------------- --_---______---------------------------------------------------------------- INITIAL SUBAREA FLOW-LENGTH(FEET) = 450.00 UPSTREAM ELEVATION = 551.00 DOWNSTREAM ELEVATION = 538.00 ELEVATION DIFFERENCE = 13.00 *CAUTION: SUBAREA SLOPE EXCEEDS COUNTY NOMOGRAPH URBAN SUBAREA OVERLAND TIME OF FLOW(M1NUTES) = 17.346 DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED. 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.189 SUBAREA RUNOFF (CFS) = 2.12 TOTAL AREA(ACRES) = 1.21 TOTAL RUNOFF(CFS) = 2.12 -. ........................................................................... FLOW PROCESS FROM NODE 982.52 TO NODE 982.26 IS CODE = 6 >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< UPSTREAM ELEVATION = 538.00 DOWNSTREAM ELEVATION = 440.00 STREET LENGTH(FEET) = 2100.00 CURB HEIGTH(1NCHES) = 6. STREET HALFWIDTH(FEET) = 20.00 STREET CROSSFALL(DEC1MAL) = .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FMW(CFS) = 15.31 STREET FLOWDEPTH(FEET) = .36 HALFSTREET FLOODWIDTH(FEET) = 11.62 AVERAGE FLOW VELoCITY(FEET/SEC.) = 5.21 PRODUCT OF DEPTH&VELOCITY = 1.87 ............................................................................ ............................................................................ ............................................................................ STREETFLOW TRAVELTIME(M1N) = 6.71 TC(M1N) = 24.06 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.582 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 18.30 SUBAREA RUNOFF(CFS) = 25.99 SUMMED AREA(ACRES) = 19.51 TOTAL RUNOFF(CFS) = 28.11 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .43 HALFSTREET FLOODWIDTH(FEET) = 15.09 FLOW VELOCITY(FEET/SEC.) = 5.87 DEPTH*VELOCITY = 2.51 - ........................................................................... FLOW PROCESS FROM NODE 982.26 TO NODE 982.27 IS CODE = 4 ............................................................................ >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 24.0 INCH PIPE IS 12.5 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 17.0 UPSTREAM NODE ELEVATION = 440.00 DOWNSTREAM NODE ELEVATION = 418.40 FLOWLENGTH(FEET) = 450.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 28.11 TRAVEL TIME(M1N.) = .44 TC(M1N.) = 24.50 ________________________________________--_----------_---------------------- I________________________________________--------_--------_----------------- ............................................................................ FLOW PROCESS FROM NODE 982.27 TO NODE 982.24 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 24.0 INCH PIPE IS 18.9 INCHES PIPEFLOW VELoCITY(FEET/SEC.) = 10.6 UPSTREAM NODE ELEVATION = 418.40 DOWNSTREAM NODE ELEVATION = 404.45 FLOWLENGTH(FEET) = 930.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 28.11 TRAVEL TIME(M1N.) = 1.46 TC(M1N.) = 25.96 ............................................................................ ________________________________________---__------------__----------------- ______________-----_____________________------------------------------------ -. ............................................................................ FLOW PROCESS FROM NODE 982.26 TO NODE 982.24 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ _____________----_______________________------------------------------------ ________________________________________------------------------------------ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.459 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) =. 5.70 SUBAREA RUNOFF(CFS) = 7.71 TOTAL AREA(ACRES) = 25.21 TOTAL RUNOFF(CFS) = 35.82 TC(M1N) = 25.96 ............................................................................ FLOW PROCESS FROM NODE 982.24 TO NODE 982.24 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(M1NUTES) = 25.96 RAINFALL INTENSITY (INCH./HOUR) = 2.46 TOTAL STREAM AREA (ACRES) = 25.21 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 35.82 CONFLUENCE INFORMATION: ............................................................................ ________________________________________-------------------__--------------- ________________________________________---------_-_------------------------ .. STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN . ) (INCH/HOUR) ............................................................................ -1 280.98 18.99 3.008 2 35.82 25.96 2.459 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 310.26 265.50 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 310.26 TIME(M1NUTES) = 18.992 TOTAL AREA(ACRES) = 194.05 ............................................................................ FLOW PROCESS FROM NODE 982.24 TO NODE 981.01 IS CODE = 4 >>>>>COMPUTE PIPEFMW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FMW IN 54.0 INCH PIPE IS 42.6 INCHES PIPEFMW VELOCITY(FEET/SEC.) = 23.0 UPSTREAM NODE ELEVATION = 404.45 DOWNSTREAM NODE ELEVATION = 390.05 FLOWLENGTH(FEET) = 600.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 54.00 NUMBER OF PIPES = 1 PIPEFMW THRU SUBAREA(CFS) = 310.26 TRAVEL TIME (MIN. ) = .43 TC(M1N.) = 19.43 ............................................................................ ________________________________________------------------------------------ ----__------___------------------------------------------------------------- r ........................................................................... FLOW PROCESS FROM NODE 981.01 TO NODE 981.01 IS CODE = 4 >>>>>COMPUTE PIPEFMW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 54.0 INCH PIPE IS 36.5 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 27.1 UPSTREAM NODE ELEVATION = 390.05 DOWNSTREAM NODE ELEVATION = 362.05 FLOWLENGTH(FEET) = 800.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 54.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA (CFS) = 310.26 TRAVEL TIME(M1N.) = .49 TC(M1N.) = 19.92 ............................................................................ ............................................................................ ............................................................................ ............................................................................ FMW PROCESS FROM NODE 982.24 TO NODE 981.01 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.917 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 TOTAL AREA(ACRES) = 200.54 TOTAL RUNOFF(CFS) = 320.68 TC(M1N) = 19.92 -- SUBAREA AREA(ACRES) = 6.49 SUBAREA RUNOFF(CFS) = 10.41 ............................................................................ - FLOW PROCESS FROM NODE 981.01 TO NODE 981.01 IS CODE = 1 ........................................................................... >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 19.92 RAINFALL INTENSITY (INCH./HOUR) = 2.92 TOTAL STREAM AREA (ACRES) = 200.54 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 320.68 ..................................................................... ------------------ ------- TO PAGE -9 0 - ........................................................................ f *** FLOW PROCESS FROM NODE 981.02 TO NODE 981.03 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< ............................................................................ ............................................................................ ____________________---------_---------------------------------------------~ SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION WITH 10-MINUTES ADDED = 18.32(MINUTES) INITIAL SUBAREA FLOW-LENGTH(FEET) = 800.00 UPSTREAM ELEVATION = 394.00 DOWNSTREAM ELEVATION = 387.00 ELEVATION DIFFERENCE = 7.00 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.078 SUBAREA RUNOFF (CFS) = 18.23 TOTAL AREA(ACRES) = 10.77 TOTAL RUNOFF(CFS) = 18.23 ............................................................................ FLOW PROCESS FROM NODE 981.03 TO NODE 981.04 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< PIPEFLOW VELOCITY(FEET/SEC.) = 10.3 UPSTREAM NODE ELEVATION = 387.00 DOWNSTREAM NODE ELEVATION = 381.50 FLOWLENGTH(FEET) = 550.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 18.23 TRAVEL TIME (MIN. ) = .89 TC(M1N.) = 19.21 ............................................................................ ............................................................................ ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 981.03 TO NODE 981.04 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< --______--______________________________------------------------------------ ~ ~ ~~ ~~~ ~ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.986 SOIL CLASSIFICATION IS 'ID" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 10.67 SUBAREA RUNOFF(CFS) = 17.52 TOTAL AREA(ACRES) = 21.44 TOTAL RUNOFF(CFS) = 35.75 TC(M1N) = 19.21 ............................................................................ - FLOW PROCESS FROM NODE 981.04 TO NODE 981.01 IS CODE = 4 --------___------___________c___________----------------------------------- >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 24.0 INCH PIPE IS 9.4 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 31.5 UPSTREAM NODE ELEVATION = 381.50 DOWNSTREAM NODE ELEVATION = 329.54 FLOWLENGTH(FEET) = 240.00 MA”1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 TRAVEL TIME(M1N.) = .13 TC(M1N.) = 19.34 ............................. ............................................................................... PIPEFLOW THRU SUBAREA(CFS) = 35.75 ............................................................................ FLOW PROCESS FROM NODE 981.01 TO NODE 981.01 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< ............................................................................ ------------ ............................................................................ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(M1NUTES) = 19.34 RAINFALL INTENSITY (INCH./HOUR) = 2.97 TOTAL STREAM AREA (ACRES) = 21.44 - TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 35.75 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN. ) (INCH/HOUR) 1 320.68 19.92 2.917 2 35.75 19.34 2.973 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 355.76 350.40 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 355.76 TIME(M1NUTES) = 19.918 TOTAL AREA(ACRES) = 221.98 ............................................................................ FLOW PROCESS FROM NODE 981.01 TO NODE 981.05 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< PIPEFLOW VELOCITY(FEET/SEC.) = 37.0 UPSTREAM NODE ELEVATION = 329.54 DOWNSTREAM NODE ELEVATION = 277.54 FLOWLENGTH(FEET) = 500.00 MA”1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 42.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 355.76 ............................................................................ ............................................................................ ............................................................................ - TRAVEL' TIME(M1N.) = .23 TC(M1N.) = 20.14 ENHANCED NATURAL CHANNEL ............................................................................ FLOW PROCESS FROM NODE 981.05 TO NODE 981.06 IS CODE = 5 IIDHll ---------c------------------------------------------------------------------ >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< REPLACED BY OPEN C"NEL UPSTREAM NODE ELEVATION = 227.54 DOWNSTREAM NODE ELEVATION = 217.54 CHANNEL LENGTH THRU SUBAREA(FEET) = 550.00 CHANNEL BASE (FEET) = .OO s'Z" FACTOR = 18.000 MANNING$ FACTOR = .040 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 355.76 FLOW VEWCITY(FEET/SEC) = 5.08 FLOW DEPTH(FEET) = 1.97 TRAVEL TIME(M1N.) = 1.80 TC(M1N.) = 21.95 --------- ............................................................................ ............................................................................ FMW PROCESS FROM NODE 981.06 TO NODE 981.06 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 21.95 RAINFALL INTENSITY (1NCH.LHOUR) = 2.74 TOTAL STREAM AREA (ACRES) = 221.98 ............................................................................ -_--_____------_____-------------------------------------------------------- -___________________-------------------------------------------------------- -. TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 355.76 TO PAGE -944- ............................................................................ FMW PROCESS FROM NODE 981.07 TO NODE 981.07 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< ............................................................................ SOIL CLASSIFICATION IS "D" RURAL DEVELOPMENT RUNOFF COEFFICIENT = .4500 NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION WITH 10-MINUTES ADDED = 14.24(MINUTES) INITIAL SUBAREA FLOW-LENGTH(FEET) = 700.00 UPSTREAM ELEVATION = 562.00 DOWNSTREAM ELEVATION = 535.00 ELEVATION DIFFERENCE = 27.00 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.621 SUBAREA RUNOFF(CFS) = 5.05 TOTAL AREA(ACRES) = 3.10 TOTAL RUNOFF(CFS) = 5.05 ............................................................................ FLOW PROCESS FROM NODE 981.07 TO NODE 981.08 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< ............................................................................ DEPTH OF FLOW IN 18.0 INCH PIPE IS 3.9 INCHES PIPEFMW VELOCITY(FEET/SEC.) = 18.1 UPSTRE,AM NODE ELEVATION = 535.00 DOWNSTREAM NODE ELEVATION = 484.75 FLOWLENGTH(FEET) = 250.00 MANNINGS N = .012 PIPEFLOW THRU SUBAREA(CFS) = 5.05 TRAVEL TIME(M1N.) = .23 TC(M1N.) = 14.47 - GIVEN PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 ............................................................................ FLOW PROCESS FROM NODE 981.07 TO NODE 981.08 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ -----__--------------------------------------------------------------------- ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.584 SOIL CLASSIFICATION IS I'D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 12.10 SUBAREA RUNOFF(CFS) = 23.85 TOTAL AREA(ACRES) = 15.20 TOTAL RUNOFF(CFS) = 28.90 TC(M1N) = 14.47 ............................................................................ FLOW PROCESS FROM NODE 981.08 TO NODE 981.09 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 24.0 INCH PIPE IS 14.8 INCHES PIPEFLOW VELOCITY (FEET/SEC. ) = 14.2 DOWNSTREAM NODE ELEVATION = 476.95 FLOWLENGTH(FEET) = 260.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 28.90 TRAVEL TIME(M1N.) = .30 TC(M1N.) = 14.78 ............................................................................ ............................................................................ ............................................................................ -- UPSTREAM NODE ELEVATION = 484.75 ............................................................................ FLOW PROCESS FROM NODE 981.09 TO NODE 981.10 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 24.0 INCH PIPE IS 9.2 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 26.2 UPSTREAM NODE ELEVATION = 476.95 DOWNSTREAM NODE ELEVATION = 454.00 FLOWLENGTH(FEET) = 150.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 28.90 TRAVEL TIME(M1N.) = .10 TC(M1N.) = 14.87 ............................................................................ ............................................................................ ............................................................................ ............................................................................ -. FLOW PROCESS FROM NODE 981.08 TO NODE 981.10 IS CODE = 8 ........................................................................... >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ------_ ................................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.522 - SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 9.28 SUBAREA RUNOFF(CFS) = 17.97 TOTAL AREA(ACRES) = 24.48 TOTAL RUNOFF(CFS) = 46.88 TC(M1N) = 14.87 ............................................................................ FLOW PROCESS FROM NODE 981.10 TO NODE 981.11 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< ............................................................................ >>>>>USING USER-SPECIFIED PIPESIZE<<<<< PIPEFLOW VELOCITY(FEET/SEC.) = 14.9 UPSTREAM NODE ELEVATION = 454.00 DOWNSTREAM NODE ELEVATION = 451.38 FLOWLENGTH(FEET) = 100.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 46.88 TRAVEL TIME(M1N.) = .ll TC(M1N.) = 14.98 ............................................................................. FLOW PROCESS FROM NODE 981.12 TO NODE 981.13 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 24.0 INCH PIPE IS 9.2 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 42.3 UPSTREAM NODE ELEVATION = 448.38 DOWNSTREAM NODE ELEVATION = 408.69 FLOWLENGTH(FEET) = 100.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 46.88 TRAVEL TIME (MIN. ) = .04 TC(M1N.) = 15.19 ............................................................................ ---______-______________________________------------_----------------------- ..................................... - >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 24.0 INCH PIPE IS 12.5 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 28.3 UPSTREAM NODE ELEVATION = 408.69 DOWNSTREAM NODE ELEVATION = 308.69 FLOWLENGTH(FEET) = 750.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 46.88 TRAVEL TIME(M1N.) = .44 TC(M1N.) = 15.63 -__-_______________-____________________------------------------------------ -----------________--------------------------------------------------------- - ............................................................................ FLOW PROCESS FROM NODE 981.11 TO NODE 981.06 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.410 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 9.36 SUBAREA RUNOFF(CFS) = 17.56 TOTAL AREA(ACRES) = 33.84 TOTAL RUNOFF(CFS) = 64.43 TC(M1N) = 15.63 ALGA HILLS ENHANCED NATURAL CHANNEL ............................................................................ FLdW PROCESS FROM NODE 981.06 TO NODE 981.06 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< REPLACED BY >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< OPEN CHANNEL --___-__________________________________------------------------------------- ............................................................................ -_______________________________________------------------------------------ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(M1NUTES) = 15.63 RAINFALL INTENSITY (INCH. /HOUR) = 3.4 1 TOTAL STREAM AREA (ACRES) = 33.84 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 64.43 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN. ) (INCH/HOUR) ............................................................................ 1 355.76 21.95 2.740 2 64.43 15.63 3.410 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 407.53 TIME(M1NUTES) = 21.948 TOTAL AREA(ACRES) = 255.82 407.53 350.27 ............................................................................. FLOW PROCESS FROM NODE 981.06 TO NODE 981.14 IS CODE = 5 IIDHII ............................................................................ >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< REPLACED BY >>>>>TRAVELTIME THRU SUBAREA<<<<< OPEN CHANNEL ............................................................................ ------------_-------____________________------------------------------------ - UPSTREAM NODE ELEVATION = 255.00 DOWNSTREAM NODE ELEVATION = 225.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 550.00 CHANNEL BASE(FEET) = .OO "Z" FACTOR = 18.000 MA"1NGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 407.53 FLOW VELOCITY(FEET/SEC) = 7.84 FLOW DEPTH(FEET) = 1.70 TRAVEL TIME(M1N.) = 1.17 TC(M1N.) = 23.12 ............................................................................ FLOW PROCESS FROM NODE 981.06 TO NODE 981.14 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ________________________________________------------------------------------ _____________----------_---------------------------------------------------- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.650 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 9.79 SUBAREA RUNOFF(CFS) = 14.27 TOTAL AREA(ACRES) = 265.61 TOTAL RUNOFF(CFS) = 421.80 TC(M1N) = 23.12 UPSTREAM NODE ELEVATION = 225.00 DOWNSTREAM NODE ELEVATION = 150.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 500.00 CHANNEL BASE(FEET) = .OO 18Z" FACTOR = 18.000 MA"1NGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 421.80 FLOW VELOCITY(FEET/SEC) = 11.53 FLOW DEPTH(FEET) = 1 TRAVEL TIME (MIN. ) = .72 TC(M1N.) = 23.84 43 ............................................................................ FLOW PROCESS PROM NODE 981.14 TO NODE 981.15 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ --__________________------------_------------------------------------------- -----________---________________________------------------------------------ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.598 SOIL CLASSIFICATION IS I'D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 9.86 SUBAREA RUNOFF(CFS) = 14.09 TOTAL AREA(ACRES) = 275.47 TOTAL RUNOFF(CFS) = 435.88 TC(M1N) = 23.84 _________c------------------------------------------------------------------ >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< REPLACED BY >>>>>TRAVELTIME THRU SUBAREA<<<<< OPEN CHANNEL UPSTREAM NODE ELEVATION = 150.00 DOWNSTREAM NODE ELEVATION = 60.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1000.00 CHANNEL BASE(FEET) = .OO "2" FACTOR = 18.000 MA"1NGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 435.88 FLOW VELOCITY(FEET/SEC) = 9.68 FLOW DEPTH(FEET) = 1.58 TRAVEL TIME(M1N.) = 1.72 TC(M1N.) = 25.56 ............................................................................ --------- - ............................................................................ FLOW PROCESS FROM NODE 981.15 TO NODE 981.16 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ --------- ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.483 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 13.50 SUBAREA RUNOFF(CFS) = 18.44 TOTAL AREA(ACRES) = 288.97 TOTAL RUNOFF(CFS) = 454.32 TC(M1N) = 25.56 .............................................................................. FLOW PROCESS FROM NODE 981.16 TO NODE 981.16 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 25.56 RAINFALL INTENSITY (INCH./HOUR) = 2.48 TOTAL STREAM AREA (ACRES) = 288.97 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 454.32 -.-----___------------------------------------------------------------------- ________________________________________------------------------------------ ............................................................................ TO PAGE -94 - ......................................................................... B ** FLOW PROCESS FROM NODE 981.17 TO NODE 98.16 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< ............................................................................ ............................................................................ ............................................................................ SOIL CLASSIFICATION IS I'D" RURAL DEVELOPMENT RUNOFF COEFFICIENT = .4500 NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION WITH 10-MINUTES ADDED = 15.40(MINUTES) INITIAL SUBAREA FLOW-LENGTH(FEET) = 1700.00 UPSTREAM ELEVATION = 267.00 DOWNSTREAM ELEVATION = 60.00 ELEVATION DIFFERENCE = 207.00 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.444 SUBAREA RUNOFF (CFS) = 23.48 - TOTAL AREA(ACRES) = 15.15 TOTAL RUNOFF(CFS) = 23.48 .............................................................................. FLOW PROCESS FROM NODE 981.16 TO NODE 981.16 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(M1NUTES) = 15.40 RAINFALL INTENSITY (INCH./HOUR) = 3.44 TOTAL STREAM AREA (ACRES) = 15.15 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 23.48 --------____--------_________c__________------------------------------------ ---------------- --------------------____________________----- ------------ -------------L=--------------------------------------------- ............................................................................ FLOW PROCESS FROM NODE 981.18 TO NODE 981.55 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION WITH 10-MINUTES ADDED 11.72(MINUTES) INITIAL SUBAREA FLOW-LENGTH(FEET) = 440.00 UPSTREAM ELEVATION = 240.00 DOWNSTREAM ELEVATION = 170.00 ELEVATION DIFFERENCE = 70.00 ____________c--------------------------------------------------------------- ------------ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.107 SUBAREA RUNOFF (CFS) = 6.55 - TOTAL AREA(ACRES) = 2.90 TOTAL RUNOFF(CFS) = 6.55 ............................................................................ FLOW PROCESS FROM NODE 981.55 TO NODE 981.16 IS CODE = 6 >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< UPSTREAM ELEVATION = 170.00 DOh'NSTREAM ELEVATION = 60.00 STREET LENGTH(FEET) = 1060.00 CURB HEIGTH(1NCHES) = 6. STREET HALFWIDTH(FEET) = 20.00 STREET CROSSFALL(DEC1MAL) = .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 24.71 STREET FLOWDEPTH(FEET) = .37 HALFSTREET FLOODWIDTH(FEET) = 12.20 AVERAGE FLOW VELOCITY (FEET/SEC. ) = 7.70 PRODUCT OF DEPTH&VELOCITY = 2.85 ............................................................................ ............................................................................ ............................................................................ STREETFLOW TRAVELTIME(M1N) = 2.30 TC(M1N) = 14.02 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.659 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 17.90 SUBAREA RUNOFF(CFS) = 36.02 SUMMED AREA(ACRES) = 20.80 TOTAL RUNOFF(CFS) = 42.57 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .43 HALFSTREET FLOODWIDTH(FEET) = 15.09 - FLOW VELOCITY(FEET/SEC.) = 8.89 DEF"H*VEMCITY = 3.81 ............................................................................ FLOW PROCESS FROM NODE 981.16 TO NODE 981.16 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< ............................................................................ - >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< _________--_________---------------------_--------_-----------------~------ ___________________---------------------~----------------------------~----- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: TIME OF CONCENTRATION(M1NlJTES) = 14.02 RAINFALL INTENSITY (INCH./HOUR) = 3.66 TOTAL STREAM AREA (ACRES) = 20.80 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 42.57 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN. ) ( INCH/HOUR) ............................................................................ 1 454.32 25.56 2.483 2 23.48 15.40 3.444 3 42.57 14.02 3.659 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 3 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 500.14 TIME(M1NUTES) = 25.562 TOTAL AREA (ACRES) = 324.92 500.14 391.16 373.00 ............................................................................. FLOW PROCESS FROM NODE 981.16 TO NODE 981.19 IS CODE = 5 IIDHII -- >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< REPLACED BY >>>>>TRAVELTIME THRU SUBAREA<<<<< OPEN CHANNEL UPSTREAM NODE ELEVATION = 60.00 DOWNSTREAM NODE ELEVATION = 45.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1000.00 CHANNEL BASE(FEET) = .OO "2" FACTOR = 18.000 MA"1NGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 500.14 FLOW VELOCITY(FEET/SEC) = 4.97 FLOW DEPTH(FEET) = 2.36 TRAVEL TIME(M1N.) = 3.35 TC(M1N.) = 28.91 * PROPOSED 66" RCP -------____________-----------------_-------------------------------------~~ ----_______________-____________________--------------_--------------~------ ............................................................................ FLOW PROCESS FROM NODE 981.16 TO NODE 981.19 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ ---------_-________--------------__-_--------------------------------------- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.294 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 26.80 SUBAREA RUNOFF(CFS) = 33.81 TOTAL AREA(ACRES) = 351.72 TOTAL RUNOFF(CFS) = 533.95 TC(M1N) = 28.91 ............................................................................ AAO ............................................................................ FLOW PROCESS FROM NODE 981.20 TO NODE 981.20 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< ____________c--------------------------------------------------------------- -_--________ ............................................................................ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 29.02 RAINFALL INTENSITY (INCH./HOUR) = 2.29 TOTAL STREAM AREA (ACRES) = 351.72 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 533.95 ............................................................................ FLOW PROCESS FROM NODE 981.21 TO NODE 981.21 IS CODE = 7 ............................................................................ .- >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<<< __________---------_------------------------------------------------------- __--_---___-________------------------------- USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(M1N) = 19.20 RAIN INTENSITY(INCH/HOUR) = 2.99 TOTAL AREA(ACRES) = 6.21 TOTAL RUNOFF(CFS) = 10.07 c = .55 L(FT) = 850 S = 6.7% TC = 1.8(1.1 - CI(L)^1/2 [S (100) 3 -1/3 ............................................................................ FLOW PROCESS FROM NODE 981.21 TO NODE 981.22 IS CODE = 6 >>>>>COMPUTE STREETFMW TRAVELTIME THRU SUBAREA<<<<< UPSTREAM ELEVATION = 158.00 DOWNSTREAM ELEVATION = 45.00 STREET LENGTH(FEET) = 1600.00 CURB HEIGTH(1NCHES) = 6. STREET HALFWIDTH(FEET) = 20.00 STREET CROSSFALL(DEC1MAL) = .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FMW(CFS) = 32.69 STREET FMWDEPTH(FEET) = .42 HALFSTREET FLOODWIDTH(FEET) = 14.51 PRODUCT OF DEPTH&VELOCITY = 3.06 ............................................................................ ________--------_____________ .............................................................................. AVERAGE FLOW VEMCITY(FEET/SEC.) = 7.35 STREETFLOW TRAVELTIME(M1N) = 3.63 TC(M1N) = 22.83 - 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.671 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 30.81 SUBAREA RUNOFF(CFS) = 45.27 SUMMED AREA(ACRES) = 37.02 TOTAL RUNOFF(CFS) = 55.34 END OF SUBAREA STREETFLOW HYDRAULICS: FLOW VELOCITY(FEET/SEC.) = 8.26 DEPTH*VEKICITY = 4.01 - DEPTH(FEET) = .49 HALFSTREET FLOODWIDTH(FEET) = 17.98 ............................................................................ FLOW PROCESS FROM NODE 981.22 TO NODE 981.20 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< PIPEFLOW VELOCITY(FEET/SEC.) = 31.3 UPSTREAM NODE ELEVATION = 45.00 DOWNSTREAM NODE ELEVATION = 38.60 FLOWLENGTH(FEET) = 320.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 TRAVEL TIME(M1N.) = .17 TC(M1N.) = 23.00 ............................................................................ ............................................................................ ............................................................................ PIPEFLOW THRU SUBAREA(CFS) = 55.34 ............................................................................ FLOW PROCESS FROM NODE 981.20 TO NODE 981.20 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< ............................................................................ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(M1NUTES) = 23.00 RAINFALL INTENSITY (INCH./HOUR) = 2.66 TOTAL STREAM AREA (ACRES) = 37.02 - TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 55.34 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) ------__-_-_____________________________------------------------------------ 1 533.95 29.02 2.288 2 55.34 23.00 2.659 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 581.58 TIME(M1NUTES) = 29.018 TOTAL AREA(ACRES) = 388.74 581.58 514.91 ............................................................................ FLOW PROCESS FROM NODE 980.01 TO NODE 980.55 IS CODE = 7 >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<<< ............................................................................ -------------_------____________________------------------------------------ ............................................................................ - USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(M1N) = 14.00 RAIN INTENSITY(INCH/HOUR) = 3.66 TOTAL AREA (ACRES) = 2.00 TOTAL RUNOFF(CFS) = 3.96 c = .55 L1FT) = 450 S = 6.7% Tc = 1.811.1 - C)1L)-l/2 ' [ s (100) ] -1/3 - ........................................................................... FLOW PROCESS FROM NODE 980.55 TO NODE 980.02 IS CODE = 6 >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< UPSTREAM ELEVATION = 125.00 DOWNSTREAM ELEVATION = 45.00 STREET LENGTH(FEET) = 700.00 CURB HEIGTH(1NCHES) = 6. STREET HALFWIDTH(FEET) = 20.00 STREET CROSSFALL(DEC1MAL) = .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 8.10 STREET FLOWDEPTH(FEET) = .27 HALFSTREET FLOODWIDTH(FEET) = 6.99 AVERAGE FLOW VELOCITY (FEET/SEC. ) = 6.67 PRODUCT OF DEPTH&VELOCITY = 1.78 ............................................................................ --____--__________--____________________------------------------------------ ________________________________________------------------------------------ STREETFLOW TRAVELTIME(M1N) = 1.75 TC(M1N) = 15.75 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.394 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 4.43 SUBAREA RUNOFF(CFS) = 8.27 SUMMED AREA(ACRES) = 6.43 TOTAL RUNOFF(CFS) = 12.23 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .30 HALFSTREET FLOODWIDTH(FEET) = 8.73 FLOW VELOCITY (FEET/SEC. ) = 6.95 DEPTH*VELOCITY = 2.09 - ........................................................................... FLOW PROCESS FROM NODE 980.02 TO NODE 980.03 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 27.0 INCH PIPE IS 7.5 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 13.6 UPSTREAM NODE ELEVATION = 70.00 DOWNSTREAM NODE ELEVATION = 45.00 FLOWLENGTH(FEET) = 500.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 27.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 12.23 TRAVEL TIME(M1N.) = .61 TC(M1N.) = 16.36 -----__-________________________________------------------------------------ -------------____--_____________________------------------------------------ ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 980.02 TO NODE 980.03 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ________________________________________------------------------------------ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.312 SOIL CLASSIFICATION IS I'D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 TOTAL AREA(ACRES) = 10.53 'TOTAL RUNOFF(CFS) = 19.70 TC(M1N) = 16.36 SUBAREA AREA(ACRES) = 4.10 SUBAREA RUNOFF(CFS) = 7.47 QF I ............................................................................ - FLOW PROCESS FROM NODE 980.03 TO NODE 980.04 IS CODE = 4 ,--------------------------------------------------------------------------- >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 27.0 INCH PIPE IS 8.8 INCHES PIPEFLOW VELOCITY (FEET/SEC. ) = 17.5 UPSTREAM NODE ELEVATION = 45.00 DOWNSTREAM NODE ELEVATION = 30.00 FLOWLENGTH(FEET) = 220.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 27.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 19.70 TRAVEL TIME(M1N.) = .21 TC(M1N.) = 16.57 ________________________________________------------------------------------ ________________________________________------------------------------------ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.285 SOIL CLASSIFICATION IS "D" MOBILE HOME DEVELOPMENT RUNOFF COEFFICIENT = .6500 SUBAREA AREA(ACRESI = 3.10 SUBAREA RUNOFF(CFSI = 6.62 TOTAL AREA(ACRES) = 13.63 TOTAL RUNOFF (CFS)' = ' 26.32 TC(M1N) = 16.57 ............................................................................ FLOW PROCESS FROM NODE 980.04 TO NODE 980.05 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 30.0 INCH PIPE IS 11.9 INCHES PIPEFLOW VELOCITY (FEET/SEC. ) = 14.5 UPSTREAM NODE ELEVATION = 30.00 DOWNSTREAM NODE ELEVATION = 25.00 FLOWLENGTH(FEET) = 150.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 30.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 26.32 TRAVEL TIME(M1N.) = .17 TC(M1N.) = 16.74 ............................................................................ ________________________________________-_---------------------------------- ________________________________________------------------------------------ LINE "DP" ............................................................................ FLOW PROCESS FROM NODE 1040.01 TO NODE 1040.01 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< SOIL CLASSIFICATION IS "D" RURAL DEVELOPMENT RUNOFF COEFFICIENT = .4500 ............................................................................ ________________________________________-___-------------------------------- __________________________________________---------------------------------- - NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION WITH 10-MINUTES ADDED = 14.15(MINUTES) INITIAL SUBAREA FLOW-LENGTH(FEET) = 1400.00 -952- UPSTREAM ELEVATION = 729.00 DOWNSTREAM ELEVATION = 500.00 - ELEVATION DIFFERENCE = 229.00 SUBAREA RUNOFF(CFS) = 31.31 TOTAL AREA(ACRES) = 19.13 TOTAL RUNOFF(CFS) = 31.31 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.637 ............................................................................ FLOW PROCESS FROM NODE 1040.01 TO NODE 1040.02 IS CODE = 3 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< ____________------___________c__________------------------------------------ ~~~~~~~~~~~ ~~~~~ DEPTH OF FLOW IN 18.0 INCH PIPE IS 13.0 INCHES PIPEFLOW VELoCITY(FEET/SEC.) = 22.9 UPSTREAM NODE ELEVATION = 500.00 DOWNSTREAM NODE ELEVATION = 380.00 FLOWLENGTH(FEET) = 1150.00 MA"1NGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 31.31 TRAVEL TIME (MIN. ) = . a4 TC(M1N.) = 14.99 ............................................................................ FLOW PROCESS FROM NODE 1040.01 TO NODE 1040.02 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ .............................................................................. 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.504 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 13.10 SUBAREA RUNOFF(CFS) = 25.25 TOTAL AREA(ACRES) = 32.23 TOTAL RUNOFF(CFS) = 56.56 TC(M1N) = 14.99 ............................................................................ FLOW PROCESS FROM NODE 1040.02 TO NODE 1040.02 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< ............................................................................ -----_____-_-------__________ ............................................................................ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 14.99 RAINFALL INTENSITY (INCH./HOUR) = 3.50 TOTAL STREAM AREA (ACRES) = 32.23 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 56.56 ............................................................................ FLOW PROCESS FROM NODE 1040.03 TO NODE 1040.02 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< ............................................................................ SOIL CLASSIFICATION IS I'D" RURAL DEVELOPMENT RUNOFF COEFFICIENT = .4500 NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION WITH 10-MINUTES ADDED = 14.49(MINUTES) INITIAL SUBAREA FLOW-LENGTH(FEET) = 1500.00 UPSTREAM ELEVATION = 610.00 - DOWNSTREAM ELEVATION = 380.00 ELEVATION DIFFERENCE = 230.00 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.582 SUBAREA RUNOFF(CFS) = 26.79 TOTAL AREA(ACRES) = 16.62 TOTAL RUNOFF(CFS) = 26.79 ............................................................................ FLOW PROCESS FROM NODE 1040.02 TO NODE 1040.02 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOP CONFLUENCE<<<<< ............................................................................ _-___-----_-__-------------------------------------------------------------- ............................................................................ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(M1NUTES) = 14.49 RAINFALL INTENSITY (INCH./HOUR) = 3.58 TOTAL STREAM AREA (ACRES) = 16.62 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 26.79 ............................................................................ FMW PROCESS FROM NODE 1040.04 TO NODE 1040.02 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< SOIL CLASSIFICATION IS "D" RURAL DEVELOPMENT RUNOFF COEFFICIENT = .4500 ............................................................................ ............................................................................ ............................................................................ - NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION WITH 10-MINUTES ADDED = 15.88 (MINUTES) INITIAL SUBAREA FMW-LENGTH(FEET) = 2000.00 UPSTREAM ELEVATION = 650.00 DOWNSTREAM ELEVATION = 380.00 ELEVATION DIFFERENCE = 270.00 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.376 SUBAREA RUNOFF (CFS) = 20.39 TOTAL AREA(ACRES) = 13.42 TOTAL RUNOFF(CFS) = 20.39 ............................................................................ FLOW PROCESS FROM NODE 1040.02 TO NODE 1040.02 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: TIME OF CONCENTRATION(M1NUTES) = 15.88 RAINFALL INTENSITY (INCH./HOUR) = 3.38 TOTAL STREAM AREA (ACRES) = 13.42 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 20.39 ............................................................................ ............................................................................ ............................................................................ CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY - NUMBER ( CFS 1 (MIN. ) (INCH/HOUR) .-----------__-----_------------------------------------------------------- 1 56.56 14.99 3.504 2' 26.79 14.49 3.582 3 20.39 15.88 3.376 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 3 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 102.41 101.33 100.13 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 102.41 TIME (MINUTES) = 14.987 TOTAL AREA(ACRES) = 62.27 ............................................................................ FLOW PROCESS FROM NODE 1040.02 TO NODE 1040.05 IS CODE = 3 ............................................................................ . >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IN 27.0 INCH PIPE IS 21.0 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 30.8 UPSTREAM NODE ELEVATION = 380.00 DOWNSTREAM NODE ELEVATION = 315.00 FLOWLENGTH(FEET) = 600.00 MA"1NGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 27.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 102.41 TRAVEL TIME (MIN. ) = .32 TC(M1N.) = 15.31 ______--------__------------------------------------------------------------ ____________________------------------ ............................................................................ FLOW PROCESS FROM NODE 1040.05 TO NODE 1040.06 IS CODE = 3 IIDPII ............................................................................ >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FMW IN 36.0 INCH PIPE IS 26.1 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 25.1 UPSTREAM NODE ELEVATION = 315.00 DOWNSTREAM NODE ELEVATION = 305.00 FLOWLENGTH(FEET) = 200.00 MA"1NGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 36.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 137.76 TRAVEL TIME(M1N.) = .13 TC(M1N.) = 15.44 ............................................................................ ............................................................................ ............................................................................ nrr ............................................................................ FLOW PROCESS FROM NODE 1040.06 TO NODE 1040.07 IS CODE = 3 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< ____________-------__________c__________------------------------------------ >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< IIDPII ............................................................................ DEPTH OF FLOW IN 39.0 INCH PIPE IS 27.5 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 28.9 UPSTREAM NODE ELEVATION = 305.00 DOWNSTREAM NODE ELEVATION = 275.00 FLoWLENGTH(FEET) = 500.00 MA"1NGS N = .012 ESTIMATED PIPE DIAMETER (INCH) = 39.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 180.58 TRAVEL TIME(M1N.) = .29 TC(M1N.) = 15.73 ............................................................................ - FLOW PROCESS FROM NODE 1040.06 TO NODE 1040.07 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.396 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 13.60 SUBAREA RUNOFF(CFS) = 25.40 TOTAL AREA(ACRES) = 117.12 TOTAL RUNOFF(CFS) = 205.98 TC(M1N) = 15.73 ............................................................................ FLOW PROCESS FROM NODE 1040.07 TO NODE 1040.08 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 225.00 DOWNSTREAM NODE ELEVATION = 150.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 650.00 CHANNEL BASE(FEET) = .OO 81Z" FACTOR = 8.000 MA"1NGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 5.00 CHANNEL FLOW THRU SUBAREA(CFS) = 205.98 FLOW VELOCITY(FEET/SEC) = 10.82 FLOW DEPTH(FEET) = 1.54 ............................................................................ ............................................................................ ----________----__-_____________________------------------------------------ - TRAVEL TIME(M1N.) = 1.00 TC(M1N.) = 16.73 ............................................................................. FLOW PROCESS FROM NODE 1040.07 TO NODE 1040.08 IS CODE = 8 ............................................................................ - >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FMW<<<L< 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.264 -------- ........................................................................... SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 12.18 SUBAREA RUNOFF(CFS) = 21.86 TOTAL AREA(ACRES) = 129.30 TOTAL RUNOFF(CFS) = 227.85 TC(M1N) = 16.73 SOIL CLASSIFICATION IS 'ID" RURAL DEVELOPMENT RUNOFF COEFFICIENT = .4500 NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION WITH 10-MINUTES ADDED = 13.55(MINUTES) INITIAL SUBAREA FLOW-LENGTH(FEET) = 1250.00 UPSTREAM ELEVATION = 729.00 DOWNSTREAM ELEVATION = 485.00 ELEVATION DIFFERENCE = 244.00 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.739 SUBAREA RUNOFF(CFS) = '20.60 TOTAL AREA(ACRES) = 12.24 TOTAL RUNOFF(CFS) =' 20.60 - ............................................................................ FLOW PROCESS FROM NODE 1070.02 TO NODE 1070.03 IS CODE = 3 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< ............................................................................ ~~~~~~~~ ~ ~~~~~~~~ ~~~~~~~ ~~~~~~~ ~~~~~~ DEPTH OF FLOW IN 18.0 INCH PIPE IS 10.6 INCHES PIPEFMW VELOCITY(FEET/SEC.) = 19.1 UPSTREAM NODE ELEVATION = 485.00 DOWNSTREAM NODE ELEVATION = 440.00 FLOWLENGTH(FEET) = 550.00 WNINGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 20.60 TRAVEL TIME (MIN. ) = .48 TC(M1N.) = 14.03 ............................................................................ FLOW PROCESS FROM NODE 1070.02 TO NODE 1070.03 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.656 - SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SOIL CLASSIFICATION IS "D" SUBAREA AREA(ACRES) = 23.21 SUBAREA RUNOFF(CFS) = 46.68 TOTAL AREA(ACRES) = 35.45 TOTAL RUNOFF(CFS) = 67.27 -Y s3- TC(M1N) = 14.03 ............................................................................. FLOW PROCESS FROM NODE 1070.03 TO NODE 1070.04 IS CODE = 3 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< ............................................................................ >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IN 24.0 INCH PIPE IS 17.6 INCHES PIPEFMW VELOCITY(FEET/SEC.) = 27.2 UPSTREAM NODE ELEVATION = 440.00 DOWNSTREAM NODE ELEVATION = 375.00 FLOWLENGTH(FEET) = 650.00 MA"1NGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFMW THRU SUBAREA(CFS) = 67.27 TRAVEL TIME(M1N.) = .40 TC(M1N.) = 14.43 ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 1070.03 TO NODE 1070.04 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ________________________________________------------------------------------ ________-___________---------------------------------_---------------------- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.591 SOIL CLASSIFICATION IS IID" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 8.71 SUBAREA RUNOFF(CFS) = 17.20 TC(M1N) = 14.43 -. TOTAL AREA(ACRES) = 44.16 TOTAL RUNOFF(CFS) = 84.47 ............................................................................ FLOW PROCESS FROM NODE 1070.04 TO NODE 1070.05 IS CODE = 3 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< ............................................................................ ~~~~~~ ~~~~~~~~~~~ ~~~~~~~~~ ~~~~~~~~ DEPTH OF FLOW IN 27.0 INCH PIPE IS 19.9 INCHES PIPEFLOW VELoCITY(FEET/SEC.) = 26.8 UPSTREAM NODE ELEVATION = 375.00 DOWNSTREAM NODE ELEVATION = 350.00 FLOWLENGTH(FEET) = 300.00 MA"1NGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 27.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 84.47 TRAVEL TIME(M1N.) = .19 TC(M1N.) = 14.62 ............................................................................ FLOW PROCESS FROM NODE 1070.04 TO NODE 1070.05 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ---_____--______________________________---------------*-------------------- ............................................................................ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.561 -- SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 22.83 SUBAREA RUNOFF(CFS) = 44.72 TOTAL ,AREA(ACRES) = 66.99 TOTAL RUNOFF(CFS) = 129.19 TC(M1N) = 14.62 - LINE "DM" ........................................................................... FLOW PROCESS FROM NODE 1030.01 TO NODE 1030.02 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< ............................................................................ ............................................................................ SOIL CLASSIFICATION IS "D" RURAL DEVELOPMENT RUNOFF COEFFICIENT = .4500 NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION WITH 10-MINUTES ADDED = 14.20(MINUTES) INITIAL SUBAREA FLOW-LENGTH(FEET) = 1150.00 UPSTREAM ELEVATION = 534.00 DOWNSTREAM ELEVATION = 411.00 ELEVATION DIFFERENCE = 123.00 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.629 SUBAREA RUNOFF(CFS) = 57.80 TOTAL AREA(ACRES) = 3;. 40 TOTAL RUNOFF (CFS) = 57.80 .............................................................................. FLOW PROCESS FROM NODE 1030.02 TO NODE 1030.03 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 30.0 INCH PIPE IS 16.1 INCHES -- PIPEFMW VELOCITY(FEET/SEC.) = 21.5 UPSTREAM NODE ELEVATION = 411.00 DOWNSTREAM NODE ELEVATION = 397.50 FLOWLENGTH(FEET) = 240.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 30.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 57.80 TRAVEL TIME(M1N.) = .19 TC(M1N.) = 14.38 ............................................................................ ------- ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 1030.02 TO NODE 1030.03 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ -----------------___-------------------------------------------------------- ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.598 SOIL CLASSIFICATION IS 'ID" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 7.75 SUBAREA RUNOFF(CFS) = 15.34 TOTAL AREA(ACRES) = 43.15 TOTAL RUNOFF(CFS) = 73.14 TC(M1N) = 14.38 ............................................................................ FLOW PROCESS FROM NODE 1030.03 TO NODE 1030.04 IS CODE = 3 ............................................................................ .~ >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IN 27.0 INCH PIPE IS 20.3 INCHES PIPEFLOW VELoCITY(FEET/SEC.) = 22.8 UPSTREAM NODE ELEVATION = 397.00 - DOWNSTREAM NODE ELEVATION = 364.00 FLOWLENGTH(FEET) = 550.00 MA"1NGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 27.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 73.14 TRAVEL TIME(M1N.) = .40 TC(M1N.) = 14.79 * PROPOSED 30" RCP ............................................................................ FLOW PROCESS FROM NODE 1030.03 TO NODE 1030.04 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.535 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 35.80 SUBAREA RUNOFF(CFS) = 69.60 TOTAL AREA(ACRES) = 78.95 TOTAL RUNOFF(CFS) = 142.74 TC(M1N) = 14.79 ............................................................................ FLOW PROCESS FROM NODE 1030.04 TO NODE 1030.05 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 300.00 DOWNSTREAM NODE ELEVATION = 244.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 800.00 CHANNEL BASE(FEET) = .OO "2" FACTOR = 10.000 MA"1NGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 142.74 FLOW VELOCITY (FEET/SEC) = 7.42 FLOW DEPTH(FEET) = 1.39 TRAVEL TIME(M1N.) = 1.80 TC(M1N.) = 16.58 ............................................................................ ............................................................................ ............................................................................ -- USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(M1N) = 14.00 RAIN INTENSITY(INCH/HOUR) = 3.66 TOTAL AREA(ACRES) = 2.90 TOTAL RUNOFF(CFS) = 5.66 TC = 1.8f1.1 - C)(L) -1/2 - c = .55 L(FT) = 460 S = 6.5% [ S (100) 3 ^1/3 ............................................................................ FLOW PROCESS FROM NODE 1050.50 TO NODE 1050.01 IS CODE = 6 >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< UPSTREAM ELEVATION = 550.00 DOWNSTREAM ELEVATION = STREET LENGTH(FEET) = 690.00 CURB HEIGTH(1NCHES) = 6. STREET HALFWIDTH(FEET) = 20.00 STREET CROSSFALL(DEC1MAL) = .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 14.73 STREET FLOWDEPTH (FEET) = .32 HALFSTREET FLOODWIDTH(FEET) = 9.88 AVERAGE FLOW VELOCITY(FEET/SEC.) = 6.72 PRODUCT OF DEPTH&VELOCITY = 2.18 ............................................................................ ___-______---------_-------------------------------------------------------- ________________________________________------------------------------------ 485.00 STREETFLOW TRAVELTIME(M1N) = 1.71 TC(M1N) = 15.71 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.399 SOIL CLASSIFICATION IS 'ID" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 9.68 SUBAREA RUNOFF(CFS) = 18.10 SUMMED AREA(ACRES) = 12.58 TOTAL RUNOFF(CFS) = 23.76 END OF SUBAREA STREETFLOW HYDRAULICS: FLOW VELOCITY(FEET/SEC.) = 7.40 DEPTH*VELOCITY = 2.74 -. DEPTH( FEET) = .37 HALFSTREET FLOODWIDTH(FEET) = 12.20 ............................................................................ FLOW PROCESS FROM NODE 1050.01 TO NODE 1050.02 IS CODE = 3 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IN 21.0 INCH PIPE IS 12.9 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 15.3 UPSTREAM NODE ELEVATION = 485.00 DOWNSTREAM NODE ELEVATION = 452.00 FLOWLENGTH(FEET) = 800.00 MA"INGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 21.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 23.76 TRAVEL TIME (MIN. ) = .87 TC(M1N.) = 16.58 ............................................................................ ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 1050.01 TO NODE 1050.02 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ --______---_________-------------- ........................................................................... 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.283 SOIL CLASSIFICATION IS I'D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 24.51 SUBAREA RUNOFF(CFS) = 44.26 TOTAL AREA(ACRES) = 37.09 TOTAL RUNOFF(CFS) = 68.01 - TC(M1N) = 16.58 ............................................................................ FLOW PROCESS FROM NODE 1050.02 TO NODE 1050.03 IS CODE = 3 IlDYII ............................................................................ >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IN 36.0 INCH PIPE IS 28.5 INCHES PIPEFMW VELOCITY(FEET/SEC.) = 11.3 UPSTREAM NODE ELEVATION = 450.00 DOWNSTREAM NODE ELEVATION = 444.00 FLOWLENGTH(FEET) = 600.00 MA"1NGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 36.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 68.01 TRAVEL TIME(M1N.) = .88 TC(M1N.) = 17.46 ............................................................................ --_____-_-------_----------------------------------------------------------- ............................................................................ FLOW PROCESS FROM NODE 1050.02 TO NODE 1050.03 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ----------_-_-_------------------------------------------------------------- ---____-__-_____--__-------------------------------------------------------- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.175 __ SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 14.80 SUBAREA RUNOFF(CFS) = 25.85 TOTAL AREA(ACRES) = 51.89 TOTAL RUNOFF(CFS) = 93.86 TC(M1N) = 17.46 ............................................................................ FLOW PROCESS FROM NODE 1050.03 TO XODE 1050.04 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 36.0 INCH PIPE IS 16.3 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 30.2 UPSTREAM NODE ELEVATION = 445.00 DOWNSTREAM NODE ELEVATION = 400.00 FLOWLENGTH(FEET) = 450.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 36.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 93.86 TRAVEL TIME(M1N.) = .25 TC(M1N.) = 17.71 ............................................................................ ............................................................................ -------__---___-__---------------------------------------------------------- ............................................................................ FLOW PROCESS FROM NODE 1050.03 TO NODE 1050.04 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ---------_--_-------------------------------------------------------------- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.146 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 13.03 SUBAREA RUNOFF(CFS) = 22.55 TOTAL AREA(ACRES) = 64.92 TOTAL RUNOFF(CFS) = 116.41 - TC(M1N) = 17.71 ............................................................................ FLOW PROCESS FROM NODE 1050.04 TO NODE 1050.05 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 400.00 DOWNSTREAM NODE ELEVATION = 350.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 350.00 CHANNEL BASE(FEET) = .OO IIZ" FACTOR = 10.000 MA"1NGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 116.41 FLOW VELOCITY(FEET/SEC) = 9.39 FLOW DEPTH(FEET) = 1.11 TRAVEL TIME (MIN. ) = .62 TC(M1N.) = 18.33 ............................................................................ ________________________________________------------------------------------ ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 1050.05 TO NODE 1050.05 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 18.33 TOTAL STREAM AREA (ACRES) = 64.92 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 116.41 ............................................................................ ............................................................................ ............................................................................ -. RAINFALL INTENSITY (INCH./HOUR) = 3.08 ............................................................................ FLOW PROCESS FROM NODE 1050.06 TO NODE 1050.52 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< ............................................................................ SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTH(FEET) = 840.00 UPSTREAM ELEVATION = 505.00 DOWNSTREAM ELEVATION = 485.00 ELEVATION DIFFERENCE = 20.00 URBAN SUBAREA OVERLAND TIME OF FLOW(M1NUTES) = 24.328 *CAUTION: SUBAREA FLOWLENGTH EXCEEDS COUNTY NOMOGRAPH DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED. 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.564 SUBAREA RUNOFF(CFS) = 7.33 TOTAL AREA(ACRES) = 5.20 TOTAL RUNOFF(CFS) = 7.33 ............................................................................ - FLOW PROCESS FROM NODE 1050.52 TO NODE 1050.07 IS CODE = 6 ........................................................................... >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< -------__--______________ .............................................................................. UPSTREAM ELEVATION = 485.00 DOWNSTREAM ELEVATION = 420.00 STREET LENGTH(FEET) = 1160.00 CURB HEIGTH(1NCHES) = 6. SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 - STREET HALFWIDTH(FEET) = 20.00 STREET CROSSFALL(DEC1MAL) = .0200 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 16.92 STREET FLOWDEPTH(FEET) = .36 HALFSTREET FLOODWIDTH(FEET) = 11.62 AVERAGE FLOW VELOCITY(FEET/SEC.) = 5.76 PRODUCT OF DEPTH&VELOCITY = 2.07 STREETFLOW TRAVELTIME(M1N) = 3.35 TC(M1N) = 27.68 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.359 SOIL CLASSIFICATION IS 'ID" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 14.73 SUBAREA RUNOFF(CFS) = 19.11 SUMMED AREA(ACRES) = 19.93 TOTAL RUNOFF(CFS) = 26.44 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .40 HALFSTREET FLOODWIDTH(FEET) = 13.93 FLOW VELoCITY(FEET/SEC.) = 6.42 DEPTH*VELOCITY = 2.60 ............................................................................ FLOW PROCESS FROM NODE 1050.07 TO NODE 1050.05 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 24.0 INCH PIPE IS 12.8 INCHES -- PIPEFLOW VELOCITY (FEET/SEC. ) = 15.6 UPSTREAM NODE ELEVATION = 420.00 DOWNSTREAM NODE ELEVATION = 406.00 FLOWLENGTH(FEET) = 350.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 26.44 TRAVEL TIME (MIN. ) = .37 TC(M1N.) = 28.06 ............................................................................ ________________________________________-----------___---------------------- ________________________________________----___-_--------------------------- ............................................................................ FLOW PROCESS FROM NODE 1050.05 TO NODE 1050.05 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< ............................................................................ __________________________________________---------------------------------- ________________________________________------------_----------------------- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(M1NUTES) = 28.06 RAINFALL INTENSITY (INCH./HOUR) = 2.34 TOTAL STREAM AREA (ACRES) = 19.93 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 26.44 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN. ) (INCH/HOUR) ............................................................................ - 1 116.41 18.33 3.077 2 26.44 28.06 2.339 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 136.50 114.91 - COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 136.50 TIME(M1NUTES) = 18.333 TOTAL AREA (ACRES) = 84.85 ............................................................................ FLOW PROCESS FROM NODE 1050.05 TO NODE 1050.05 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ---------5==---------------------------------------~==---------------------- --------_ ....................................... -----_______--________ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.077 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELQPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 7.80 SUBAREA RUNOFF(CFS) = 13.20 TOTAL AREA(ACRES) = 92.65 TOTAL RUNOFF(CFS) = 149.71 TC(M1N) = 18.33 ............................................................................ FLOW PROCESS FROM NODE 983.01 TO NODE 983.02 IS CODE = 7 >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<<< USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(M1N) = 16.20 RAIN INTENSITY(INCH/HOUR) = 3.33 c = .55 L(FT) = 830 S = 13% Tc = 1.8(1.1 - CI(L)-1/2 ............................................................................ ............................................................................ ............................................................................ __ TOTAL AREA(ACRES) = 11.20 TOTAL RUNOFF(CFS) = 19.70 [S(100)]-1/3 ............................................................................ FLOW PROCESS FROM NODE 983.02 TO NODE 983.03 IS CODE = 4 >>>>>COMPUTE PIPEFMW TMVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 18.0 INCH PIPE IS 9.6 INCHES PIPEFLQW VELOCITY (FEET/SEC. ) = 20.6 UPSTREAM NODE ELEVATION = 259.70 DOWNSTREAM NODE ELEVATION = 185.00 FLOWLENGTH(FEET) = 730.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 19.70 TRAVEL TIME (MIN. ) = .59 TC(M1N.) = 16.79 ............................................................................ ............................................................................ SUBAREA AREA(ACRES) = 11.50 SUBAREA RUNOFF(CFS) = 20.60 TOTAL AREA(ACRES) = 22.70 TOTAL RUNOFF(CFS) = 40.30 - TC(M1N) = 16.79 ............................................................................ FLOW PROCESS FROM NODE 983.03 TO NODE 983.04 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< ............................................................................ DEPTH OF FLOW IN 18.0 INCH PIPE IS 14.4 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 26.6 UPSTREAM NODE ELEVATION = 185.00 DOWNSTREAM NODE ELEVATION = 147.54 FLOWLENGTH(FEET) = 270.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES PIPEFLOW THRU SUBAREA(CFS) = 40.30 TRAVEL TIME (MIN. ) = .17 TC(M1N.) = 16.96 ....................................................... 1 ** r*** ,FLOW PROCESS FROM NODE 983.04 TO NODE 983.05 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< ............................................................................ --______________________________________------------------------------------ ............................................................................ - DEPTH OF FLOW IN 24.0 INCH PIPE IS 12.4 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 24.7 UPSTREAM NODE ELEVATION = 147.54 DOWNSTREAM NODE ELEVATION = 30.00 FLoWLENGTH(FEET) = 1140.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 40.30 TRAVEL TIME(M1N.) = .77 TC(M1N.) = 17.73 ............................................................................ FLOW PROCESS FROM NODE 983.05 TO NODE 983.05 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.144 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 12.30 SUBAREA RUNOFF(CFS) = 21.27 TOTAL AREA(ACRES) = 35.00 TOTAL RUNOFF(CFS) = 61.57 TC(M1N) = 17.73 LINE "DG" ............................................................................ FLOW PROCESS FROM NODE 983.21 TO NODE 983.22 IS CODE = 7 >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<<< USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(M1N) = 16.10 RAIN INTENSITY(INCH/HOUR) = 3.35 ............................................................................ _-------________________________________----------------------------------- ........................................................................... TOTAL ,AREA(ACRES) = 16.25 TOTAL RUNOFF(CFS) 28.60 c = .55 L(FT1 = 850 S = 14% .. TC = J..8(1.1 - C)(L)-1/2 - [S (100) ] -1/3 ............................................................................ FLOW PROCESS FROM NODE 983.22 TO NODE 983.23 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< -----____c------------------------------------------------------------------ DEPTH OF FLOW IN 18.0 INCH PIPE IS 11.2 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 24.8 UPSTREAM NODE ELEVATION = 380.00 DOWNSTREAM NODE ELEVATION = 360.00 FLOWLENGTH(FEET) = 150.00 MANNINGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 28.60 TRAVEL TIME (MIN. ) = .10 TC(M1N.) = 16.20 ............................................................................ FLOW PROCESS FROM NODE 983.23 TO NODE 983.24 IS CODE = 3 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< ............................................................................ ............................................................................ ............................................................................ ESTIMATED PIPE DIAMETER(INCH) INCREASED TO 18.000 DEPTH OF FLOW IN 18.0 INCH PIPE IS 8.9 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 32.9 UPSTREAM NODE ELEVATION = 360.00 DOWNSTREAM NODE ELEVATION = 230.00 FLOWLENGTH(FEET) = 470.00 MA"1NGS N = .012 ESTIMATED PIPE DIAMETER( INCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 28.60 TRAVEL TIME(M1N.) = .24 TC(M1N.) = 16.44 -. ............................................................................ FLOW PROCESS FROM NODE 983.24 TO NODE 983.24 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.301 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 20.30 SUBAREA RUNOFF(CFS) = 36.86 TOTAL AREA(ACRES) = 36.55 TOTAL RUNOFF(CFS) = 65.46 TC(M1N) = 16.44 ............................................................................ FLOW PROCESS FROM NODE 983.24 TO NODE 983.25 IS CODE = 3 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< ............................................................................ ............................................................................ L DEPTH .OF FLOW IN 27.0 INCH PIPE IS 19.3 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 21.5 UPSTREAM NODE ELEVATION = 230.00 DOWNSTREAM NODE ELEVATION = 192.00 FLOWLENGTH(FEET) = 700.00 MA"1NGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 27.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 65.46 TRAVEL TIME(M1N.) = .54 TC(M1N.) = 16.98 ............................................................................ FLOW PROCESS FROM NODE 983.25 TO NODE 983.25 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ___________________-____________________------------------------------------ ___________________-____________________------------------------------------ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.233 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 22.10 SUBAREA RUNOFF(CFS) = 39.30 TOTAL AREA(ACRES) = 58.65 TOTAL RUNOFF(CFS) = 104.76 TC(M1N) = 16.98 ............................................................................ FLOW PROCESS FROM NODE 983.25 TO NODE 983.26 IS CODE = 3 IIDGII ............................................................................ >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< ............................................................................ ---_____________________________________------------------------------------ ,-- DEPTH OF FLOW IN 30.0 INCH PIPE IS 23.9 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 25.0 UPSTREAM NODE ELEVATION = 192.00 DOWNSTREAM NODE ELEVATION = 164.20 FLOWLENGTH(FEET) = 450.00 MA"1NGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 30.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 104.76 TRAVEL TIME(M1N.) = .30 TC(M1N.) = 17.28 ............................................................................ FLOW PROCESS FROM NODE 983.26 TO NODE 983.26 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.197 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 9.80 SUBAREA RUNOFF(CFS) = 17.23 TOTAL AREA(ACRES) = 68.45 TOTAL RUNOFF(CFS) = 121.99 TC(M1N) = 17.28 ............................................................................ FLOW PROCESS FROM NODE 983.26 TO NODE 983.27 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< ............................................................................ ........................................................................... DEPTH OF FLOW IN 30.0 INCH PIPE IS 23.5 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 29.6 DOWNSTREAM NODE ELEVATION = 133.82 FLOWLENGTH(FEET) = 350.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 30.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 121.99 TRAVEL TIME (MIN. ) = .20 TC(M1N.) = 17.48 - UPSTREAM NODE ELEVATION = 164.20 ............................................................................ FLOW PROCESS FROM NODE 983.27 TO NODE 983.27 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ________________---_-----------__---------------------___------------------- _____________________-----------------_-_----------------------------------- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.173 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 7.80 SUBAREA RUNOFF(CFS) = 13.61 TOTAL AREA(ACRES) = 76.25 TOTAL RUNOFF(CFS) = 135.60 TC(M1N) = 17.48 ............................................................................ FLOW PROCESS FROM NODE 983.27 TO NODE 983.28 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< ............................................................................ ____________~~~~~~~~~~~~~~~~~~~~~~~~ DEPTH OF FLOW IN 30.0 INCH PIPE IS 22.0 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 35.2 UPSTREAM NODE ELEVATION = 133.82 DOWNSTREAM NODE ELEVATION = 50.25 FLOWLENGTH(FEET) = 670.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 30.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 135.60 TRAVEL TIME (MIN. ) = .32 TC(M1N.) = 17.80 ............................................................................ FLOW PROCESS FROM NODE 983.28 TO NODE 983.29 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 48.0 INCH PIPE IS 30.4 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 16.1 UPSTREAM NODE ELEVATION = 50.25 DOWNSTREAM NODE ELEVATION = 49.50 FLOWLENGTH (FEET) = 50.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 48.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 135.60 TRAVEL TIME(M1N.) = .05 TC(M1N.) = 17.85 ............................................................................ ............................................................................ ---_-__--___-______-____________________------------------------------------ - ............................................................................ MAJOR BRIDGES __ COOPER ENGINEERING ASSOCIATES CRLISOD VP3 28L -E 4 CIVIL ENGINEERIN0 PLANNING LAND SURVEYING SHEET NO. / OF A- - % 8368 VIchOrS Street I suite C a San DIOQC, Califomla 821 i I CALCULATED 8Y DATE AyC 89 - Phone: (619) 2779441 CHECKED BY DATE - .. ._ COOPER ENGINEERING ASSOCIATES JOB C.L?LJaa .7/a 23.2 -e- CIVIL ENGINEEAING PUNNING LAND SURVEYING OF -_ L 6368VickerrStreel~ SulIaC. Ssn Dlego,Calllornla021 11 SHEET NO. - ac-. DATE adc JL/ CALCULATEDBY Phone: (618) 277.0441 CHECKED ny DATE -,- 282 -e7 COOPER ENGINEERING ASSOCIATES C&L J 66 3 r7P3 CIVIL fNGlNEfRlNG PUNNING UNO SURVEYING -_ OF 8388VlckerrSlreel. SullaC.SanDie~o,Calllorni.g~1(1 SHEET NO. 3 CALCULATED BY DATE u'G p9 - Phone: (618) 277.0441 ' CHECKED BY DATC COOPER ENGINEERING ASSOCIATES CRLJ (1D *7PD 282 -E , CIVIL ENGINEERING PUNNING UNO SURVEYING -_ \ 8388VlCkersSlr6BI* SulleC. SanDlepo,Calilornla8z(i~ SHEET N0.4 OF - ;30-. DATE RS Phon-: (8181 277.0441 CALCULATED Br CHECKED 81 DATE COOPER ENGINEERING ASSOCIATE8 JOB ULJao .-7P3 222 -F 8368VlckerrSlreel * SvllsC. San Dlego,Calllornla82111 SHEET NO, OF __ 5 Oa. - CIVIL ENGINEERING PUNNING LAND SURVEYING Phone: (618) 277.0441 CALCULATEOBY CHECXED BY USER SPECIFIED RUNOFF COEFFICIENTS Concentration Point 820.02 820.03 820.04 820.05 820.06 ~. 820.D7 820.08 820.09 820.12 820.11 820.15 830.02 830.03 830.04 830.05 830.06 830.08 830.09 830.10 830.11 830.12 830.13 830.31 830.14 - 830.18 830.21 830.19 - 830.22 830.26 830.24 830.23 830.22 830.28 830.29 830.30 860.02 860.58 860.03 860.06 860.08 860.11 860.12 860.15 860.19 860.21 860.16 860.50 860.24 860.25 860.78 860.29 860.31 860.32 - Soil Type D D D A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A D D D D D D D D D D D D. D D D A D n Development Type 2 2 5 5 5 2 5 5 2 2 4 2 4 4 4 4 4 5 5 5 5 5 4 4 4 4 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 .33 OS + .67 RM .33 OS + .67 RM 5 5 5 5 5 5 5 5 C Column .85 .85 $55 .40 .40 .70 .40 .40 .70 .70 .45 170 .45 .45 .45 .45 .45 .40 .40 .40 .40 .40 .45 .45 .45 .45 '' .40 .40 .40 .40 .40 .40 .40 .40 -40 .55 .55 .55 .55 * 55 -55 * 55 .55 .52 .52 .55 .55 .55 .55 * 55 .40 .55 .55 Zoncentration Point 860.29 860.34 860.68 860.36 860.37 860.39 860.41 860.42 860.43 860.45 860.47 900.03 900.04 900.05 900.08 900.05 900.09 900.10 900.11 900.12 955.12 900.13 950.14 900.17 900.18 920.03 920.04 920.05 920.06 920.07 920.08 920.11 920.12 920.13 920.14 920.19 920.17 920.18 920.19 920.20 890.03 895.04 890.05 890.06 890.07 915.03 910.04 910.05 910.06 915.07 910.08 910.09 910.10 880.03 - -. - - Soil Type D A D D D A A A A A A D D D D D D A A A A A A D D D D D D A A D D D D A D D D D D D A A A D D D D D D D D D Development Type 5 5 5 5 5 5 5 5 5 5 5 5 .33 RM + .67 RH 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 .20 RC + .80 RLM - 5 C Column .55 .40 .55 :c. * 55 .40 .40 .40 .40 .40 .40 * 55 .64 .55 .55 .55 .55 .40 .40 .40 .40 .40 .40 .55 .55 .55 .55 * 55 e55 -40 .40 9 55 .55 ~~ .55 .55 * 40 .55 * 55 .55 9 55 -55 * 55 .48 .40 -40 * 55 .55 .55 .55 .55 .55 -55 .55 .55 :oncentration Point 880.04 c 880.05 880.06 880.09 880.06 880.10 880.11 880.12 880.13 880.14 870.03 870.04 870.05 87B. 13 870.14 870.15 944.20 944.02 944.03 944.04 944.05 944.08 944.05 944.09 944.10 944.11 944.12 - 948.03 948.04 948.05 948.06 948.06 948.10 947.40 947.02 947.03 947.04 947.05 948.10 946.01 946.02 946.03 946.04 946.07 946.08 946.04 946.09 946.09 944.12 944.13 943.01 943.02 943.04 - 943.05 Soil Type D A A D D A A A A A A A A D A D D D D D D D D D D D D D D D C D D D D D D D D D D D D D D D D D D D D D D 1/2 A + 1/2 D Development Type 5 5 5 5 5 5 2 .50 RLM + .50 RC L. L ,. L 5 5 5 5 5 5 .75 RM + .25 OS .75 RM + .25 OS .40 OS + .60 RM .33 OS + -67 RH .30 OS + .70 RH .40 OS + .60 RM .40 OS + .60 RM 5 5 5 5 .80 RM + .20 OS .80 RM + .20 OS .80 RM + .20 OS .80 RM + .20 OS 4 .80 RM + .20 os 5 5 5 5 5 5 .80 RM + .20 OS .80 RM + .20 os .75 RM + .25 OS .80 RM + .20 os 5 5 5 5 5 .80 RM + .20 OS -75 RM + .25 OS .70 RM + .30 OS .75 RM + .25 OS 5 5 C Column .55 .40 .40 , .55 .55 .40 .64 .70 .70 .70 .40 .40 .40 .40 .55 .40 a 52 .52 .50 .60 .58 .50 -50 .55 .55 * 55 .55 * 53 .54 .54 .54 .55 .54 * 55 .55 .55 -55 .55 .55 .54 * 54 .52 .54 .55 -55 -55 .55 .55 * 54 .52 .51 .52 * 55 -55 Concentra,tion Point 943.06 943.02 943.07 939.04 939.05 939.06 939.03 939.09 939.10 939.06 - 939.11 939.14 939.15 939.11 933.16 933.17 933.18 933.20 933.21 933.22 933.18 932.01 932.03 932.05 932.01 932.07 932.08 932.09 - 932.10 932.39 932.38 932.37 932.11 933.05 933.03 933.04 934.13 933.16 933.17 934.09 944.07 934.09 934.18 933.19 933.04 933.08 933.09 933.10 932.11 930.07 930.03 930.06 931.07 931.04 931.03 - Soil Type D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D Development Type 5 .75 RM + .25 OS .70 RM + .30 OS 5 5 5 5 5 5 5 -80 RM + .20 OS 5 5 5 .80 RM + .20 os 5 5 5 5 5 5 .75 RM + .25 OS 5 5 .75 RM + .25 OS .80 RM + .20 OS .80 RM + .20 os .a0 RM + .20 os .75 RM + .25 OS 1 1 4 .75 RM + .25 OS 5 5 5 5 5 5 5 5 5 5 5 5 .80 RM + .20 os 5 5 5 5 2 2 5 5 5 C Column .55 .52 .51 -55 .55 .55 .55 .55 .55 .55 .53 a55 .55 * 55 * 54 .55 .55 -55 * 55 a 55 .55 .52 .55 -55 .52 .54 .53 .54 .52 .95 .95 .65 .52 .55 .55 .55 .55 .55 .55 .55 -55 155 * 55 a 55 9 55 .53 * 55 .55 a55 '.55 * 85 * 85 # 55 -55 .55 Concentration Point 931.04 931.09 930.07 930.07 930.08 930.09 930.10 930.11 930.12 830.13 930.14 930.15 930.17 930.12 930.27 1000.10 1000.40 1000.60 1000.70 1000.90 1010.02 1010.03 1010.04 1010.05 1010.06 1010.07 1010.07 1010.11 1010.09 1021.02 1021.04 1021.03 1021.05 1021.07 1021.10 1021.11 1021.08 1021.12 1021.14 1021.15 1021.18 1021.17 1021.18 1021.20 1021.19 1021.22 1021.24 1021.25 1021.22 1021.26 1021.28 1021.29 1021.31 - - - - Soil Type D D D D C C C C C D D D D C A D D D D D D D D D D D D D C D D D D D D D D D D ‘D D D D D D D D D D D D D D Development Type 5 5 5 5 6 6 .90 OS + .10 RLM .90 OS + .10 RLM .90 OS + .10 RLM 5 5 5 5 .90 os + .10 RM 5 5 5 5 5 .80 os + -20 RM 5 5 5 5 6 6 4 4 4 5 5 5 5 5 5 4 5 5 5 4 4 4 4 5 4 4 5 5 5 4 5 5 5 C Column .55 .55 -55 .55 .42 .40 .40 .42 -42 -55 -55 * 55 -55 .42 .40 .55 -55 .55 .55 .40 155 .55 .55 .55 .45 .45 .65 .65 .55 .55 .55 .55 -55 .55 .55 .65 .55 .55 9 55 .65 .65 .65 .65 .55 .65 .65 .55 .55 .55 .65 .55 .55 .55 Concentration Point 1021.33 1021.34 1021.35 1021.37 1021.38 1021.38 1021.36 1021.41 1021.39 982.02 982.03 982.03 982.07 982.09 982.10 982.51 982.16 982.18 982.19 982.22 982.24 982.52 982.26 982.24 981.01 981.03 981.04 981.01 981.08 981.10 981.06 981.14 981.15 981.16 981.16 981.16 981.19 981.21 981.22 980.02 980.03 980.04 1040.01 1040.01 1040.02 1040.02 1040.05 1040.06 1040.07 1040.08 1070.02 1070.03 1070.04 1070.05 - - - Soil Type D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D Development Type 5 4 4 4 4 4 4 4 6 5 5 5 5 4 4 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 4 5 5 5 5 C Column .55 $65 .65 .65 .65 .65 .65 .65 .45 .55 9 55 .55 * 55 .65 .65 * 55 155 * 55 * 55 155 -55 .55 .55 .55 .55 .55 .55 .55 .55 .55 .55 .55 .55 * 55 .55 .55 .55 .55 .55 -55 .55, .65 155 + 55 4 55 a55 e55 .55 .55 -55 .55 .55 -55 .55 oncentrat,ion Point 1030.02 1030.03 1030.04 1030.05 1050.01 1050 02 1050 03 1050 1050 A 1080 1080 1080 04 07 03 05 08 1080.09 1580.40 1080.31 1080.34 1080.35 1080.10 1080.11 1080.35 1080.15 1080.16 1080.25 1080.27 1080.16 1080.19 1080.12 1080.22 1080.19 1080.20 1080.21 1080.35 1080.19 7 Soil Type D D D D D D D D D D D D D D D D D D D D D D D D D D D D Development Type 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 C Column .55 * 55 .55 -55 .55 .55 * 55 -55 .55 .55 .55 .55 * 55 .55 .55 .55 .55 * 55 .55 .55 .55 .55 .55 -55 .55 ~~ 9 55 .55 .55 .55 -55 .55 .55 .55 _- DESILTATION BASIN CALCULATIONS .-. SEDIMENTATION BASIN DA GRAV SAND F.S SILT CLAY -- ~~ ~. . . . . . ~ .~ -3IL TYPE AREA PcRc tr~ ?-A c 6 MIC 172.00 - 35.0 13.0 26.0 26.0 HRC 33.00 3.0 12.0 31.0 27.0 27.0 TOTALS 205.00 1.0 61.16 32.59 53.63 53.63 . . - . , . GRkV SAND F.S. SILT CLAY - ~ ~ 4.969 (ac) - 60.2 22.36 44.72 43.72 0.99 3.96 10.23 8.91 8.91 0.48 31.30 15.90 26.16 26.16 SEDIMENTATION BASIN DA @ CONC. PT. 820.16 - SOIL TYPE % Avg Dens spec. g. d vs P 5.7 R ’ 5.14 K s L m LS P 5.22 CC P 5.24 PC ’ 5.6 Ac P 5.22 Cnc 5.24 Pnc Area c ’ 5.6 Anc Area nc Sed Vol GRAVEL SAND F . SAND 0.48 31.30 15.90 110.00 pcf. 1.75 0.02 mm 0.00096 fps 50.00 0.28 0.37% 0.2 0.217 0.50 0.90 1.37 ton/ac-yr 8933.00 131.00 ac 0.05 0.90 0.137 ton/ac-yr 73.00 ac 127.50 cy Tc 30.10 min. P6-2 1.20 I2 0.993 in/hr. C 0.49 42 99.16 cfs Vol water 6,944.44 cy (5’ Depth) Vol total 7,072.00 CY 110-avg .30 in/hr. , Q10-avg 30.00 cfs Sur Area 37.500.00 sf - ------------ P6-10 1.80 ------------- SILT CLAY 26.16 26.16 SEDIMENTATION BASIN (DIB) SOIL TYPE AREA - ATC ATD ATD2 ATE ATE2 ATF CME 2 CBB EXE GAE GAF HVC 17 SME HVE2 LEC LEE LEE3 LVE LSE SCA SNG VAB 218.0 270.0 16.0 226.0 442.0 60.0 64 .O 16.0 56.0 63.0 50.0 389.0 20.0 31.0 232.0 152.0 110.0 8.0 160.0 45.0 207 .0 75.0 20.0 GRAV. SAND F.S. SILT CLJ P.+-f?L€tWZW.€ 5.00 5.00 18.00 36.0 36.0 5.00 5.00 18.00 36.0 36.0 5.00 5.00 18.00 36.0 36.0 5.00 5.00 18.00 36.0 36.0 5.00 5.00 18.00 36.0 36.0 5.00 5.00 18.00 36.0 36.0 5.00 33.00 44.00 9.0 9.0 - 38.00 48.00 7.0 7.0 - 5.00 1’9.00 38.0 38.0 10.00 23.00 39.00 14.0 14.C 10.00 23.00 39.00 14.0 14.C 3.00 12.00 31.00 27.0 27.0 3.00 12.00 31.00 27.0 27.C - 5.00 24.00 35.5 35.5 3.00 12.00 31.00 27.0 27.C - 30.00 50.00 10.0 10.C - 30.00 50.00 10.0 10.C - 30.00 50.00 10.0 10.C 3.00 5.00 23.00 34.5 34.5 - 5.00 24.00 35.5 35.5 - 5.00 19.00 38.0 3a.c - 5.00 24.00 35.5 35.5 5.00 48.00 31.00 8.0 8.c GRAV SAND F.S. SILT CLAY pew (90 0.9 10.9 39.24 78.48 78-46 3.5 13.5 48.60 97.20 97.20 1.80 0.80 2.88 5.76 5.76 1.3 11.3 40.68 81.36 81.36 .10 22.1 79.56 159.12 159.12 3.0 3.0 10.80 21.60 21.60 3.2 21.12 28.16 5.76 5-76 - 6.08 7.68 1.12 1.12 - 2.80 10.64 21.28 21.28 6.3 14.49 24.57 8.82 8.82 5.0 11.50 19.50 7.00 7.00 .67 46.68 120.59 105.03 105.03 ).60 2.40 6.20 5.40 5.40 - 1.55 7.44 11.00 11.00 i.96 27.84 71.92 62.64 62.64 - 45.60 76.00 15.20 15.20 - 33.00 55.00 11.00 11.00 - 2.40 4.00 0.80 0.80 ~.a 8.00 36.80 55.20 55.20 - 2.25 10.80 15.98 15.98 - 10.35 39.33 78.66 78.66 - 3.75 18.00 26.62 26.62 1.0 9.60 6.20 1.60 1-60 ;EDIMENTATION BASIN DIB @ CONC. PT. 832.11 SOIL TYPE % - Avg Dens spec. g. d VS ’ 5.7 R P 5.14 K S L LS ’ 5.22 Cc 2 5.24 Pc P 5.6 Ac ’ 5.22 Cnc P 5.24 Pnc 5.6 Anc m Area c Area ne Sed Vol Tc P6-2 I2 C .- Q2 GRAVEL SAND F.SAND . 3.34 10.30 28.28 110.00 pcf 1.75 0.02 mm 0.00096 fps 50.00 0.26 3.48% 14000.00 ft 0.40 1.88 0.50 0.90 2040.00 ac 0.05 0.90 1.10 ton ac-yr 11.00 ton ac-yr 180.92 ac 21195.00 cy 75.48 min. 1.20 0.549 in/hr. 0.547 907.50 cfs Vol water 114,757.00 cy (5‘ Depth) Vol total 135.952.00 cy P6-10 1.80 110-avg .30 in/hr Q10-avg 495.75 cfs Sur Area 619,688 sf ---------_ ------------ SILT CLAY 29.00 29.00 SEDIMENTATION BASIN DU SOIL TYPE AREA GRAV SAND F.S SILT CLAY IGRAV SAND F.S. SILT CLAY .4.ee7& (44 158 .O 0.60 25.41 41.25 17.37 17.37 CEC csc MIC LVF3 RUG TEF TOTAL __ pIFecem*-. 0.58 25.00 40.42 17.0 17.0 P€.C€\/T.. 20.0 3 .O 27.0 42.0 14.0 14.0 20.0 - 38.0 48.0 7.0 7.0 31.0 - 35.0 52.0 6.5 6.5 31.0 - 5.0 23.0 36.0 36.0 32 .O 24.0 - - - - - - - - - - ARE+ C&CI 0.60 5.40 8.40 2.80 2.8C 7.60 9.60 1.40 1.4C - 10.85 16.12 2.00 2.0C 1.55 7.13 11.16 11.16 - - - - - - - - - - - - SEDIMENTATION BASIN DU @ CONC. PT. 860.47 SOIL TYPE % - Avg Dens spec. g. d VS P 5.7 R P 5.14 X s L m LS P 5.22 Cc P 5.24 Pc P 5.6 Ac P 5.22 Cnc P 5.24 Pnc P 5.. 6 Anc Area c Area nc Sed Vol Tc P6-2 I2 QZ Vol water /. C GRAVEL SAND F. SAND 0.58 25.00 40.42 110.00 pcf 1.75 0.00096 fps 50.00 0.22 2.40% 3 600.00 0.20 0.462 0.50 0.90 2.29 ton/ac-yr 0.05 0.90 0.29 ton/ac-yr .02 mm 76.50 ac 85.0 ac 193.80 CY 21.90 min 1.20 1.22 0.44 86.69 C~S 4,935.20 cy (5' Depth) Vol total 5,129.00 cy P6-10 1.80 110-avg .30 in/hr Q10-avg 21.32 cfs Sur Area 26.650.00 sf --------- ---_______ SILT CLAY 17.00 17.00 -992 -