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; Appendix L - Calcs - Encinitas Creek Basin; Storm Water; 1991-03-01
MASTER PLAN OF DRAINAGE FOR THE CITY OF CARLSBAD ENCiNITAs CRJZEK BASIN . .' APR OS 1990 CITY OF CARLSBAD Qlbvaap,PfmcGERu DlU - FRASER ENGINEERING, INC. COOPER ENGENEERING ASSOCIATES A JOINT VENNRE MASTER PLAN OF DRAINAGE FOR THE CITY OF CARISBAD CALCULATIONS ENCINITAS CREEK BASIN ,-- INDEX ENCINITAS CREEK BASIN Provosed Line Line OQ ......................................................... 1045 DR ......................................................... 1001 DS ......................................................... 1061 DSB ........................................................ 1071 DT ......................................................... 1099 DV ......................................................... 1024 DW ......................................................... 1042 DX ......................................................... 1040 MAJOR BRIDGES .............................................. 1100 USER SPECIFIED RUNOFF COEFFICIENTS ......................... 1103 DESILTATION BASIN CALCULATIONS ............................. 1105 . ............................................................................ - 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 .......................... * CARLSBAD MASTER DRAINAGE PLAN * * E1.RES * ............................................................................ * ENCINITAS BASIN (BASIN "D") - LINES "DR" r "DV", "DW", IIDX" * FILE NAME: El.DAT TIME/DATE OF STUDY: 11:39 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) = 2.700 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 LINE IIDR" ............................................................................ - ............................................................................ FLOW PROCESS FROM NODE 963.01 TO NODE 963.02 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 = 248.00 DOWNSTREAM ELEVATION = 235.00 ELEVATION DIFFERENCE = 13.00 URBAN SUBAREA OVERLAND TIME OF FLOW(M1NUTES) = 18.472 *CAUTION: SUBAREA SLOPE EXCEEDS COUNTY NOMOGRAPH DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED. 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.062 SUBAREA RUNOFF(CFS) = 3.37 - TOTAL AREA(ACRES) = 2.00 TOTAL RUNOFF(CFS) = 3.37 ............................................................................ FLOW PROCESS FROM NODE 963.02 TO NODE 963.03 IS CODE = 6 ............................................................................ - >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< UPSTREAM ELEVATION = 235.00 DOWNSTREAM ELEVATION = 205.00 STREET LENGTH(FEET) = 1000.00 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) = 13.01 STREET FLOWDEPTH(FEET) = .36 HALFSTREET FLOODWIDTH(FEET) = 11.62 PRODUCT OF DEPTH&VELQCITY = 1.59 AVERAGE FLOW VELOCITY(FEET/SEC.) = 4.43 STREETFLOW TRAVELTIME(M1N) = 3.76 TC(M1N) = 22.23 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.717 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 12.90 SUBAREA RUNOFF(CFS) = 19.28 SUMMED AREA(ACRES) = 14.90 TOTAL RUNOFF(CFS) = 22.65 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .43 HALFSTREET FLOODWIDTH(FEET) = 15.09 FLOW VELOCITY(FEET/SEC.) = 4.73 DEPTH*VELOCITY = 2.02 ............................................................................ FLOW PROCESS FROM NODE 963.03 TO NODE 963.04 IS CODE = 4 ............................................................................ - >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 24.0 INCH PIPE IS 11.4 INCHES PIPEFLOW VELOCITY (FEET/SEC. ) = 15.4 UPSTREAM NODE ELEVATION = 205.00 DOWNSTREAM NODE ELEVATION = 200.70 FLOWLENGTH(FEET) = 100.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA (CFS) = 22.65 TRAVEL TIME(M1N.) = .ll TC(M1N.) = 22.34 ________________________________________------------------------------------ ________________________________________------------------------------------ ............................................................................ FLOW PROCESS FROM NODE 963.04 TO NODE 963.04 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ________________________________________------------------------------------ __-_____________________________________------------------------------------ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.709 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 9.30 SUBAREA RUNOFF(CFS) = 13.86 TOTAL AREA(ACRES) = 24.20 TOTAL RUNOFF(CFS) = 36.50 TC(M1N) = 22.34 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 24.0 INCH PIPE IS 15.3 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 17.2 UPSTREAM NODE ELEVATION = 200.70 DOWNSTREAM NODE ELEVATION = 170.60 FLOWLENGTH(FEET) = 700.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 36.50 TRAVEL TIME (MIN. ) = .68 TC(M1N.) = 23.02 ............................................................................ FLOW PROCESS FROM NODE 963.06 TO NODE 963.06 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< ............................................................................ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 23.02 RAINFALL INTENSITY (INCH./HOUR) = 2.66 TOTAL STREAM AREA (ACRES) = 24.20 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 36.50 ............................................................................ FMW PROCESS FROM NODE 963.08 TO NODE 963.08 IS CODE = 2 ............................................................................ - >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< .......................................................................... SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTH(FEET) = 1000.00 UPSTREAM ELEVATION = 245.00 DOWNSTREAM ELEVATION = 225.00 ELEVATION DIFFERENCE = 20.00 URBAN SUBAREA OVERLAND TIME OF FMW(M1NUTES) = 27.140 *CAUTION: SUBAREA FLOWLENGTH EXCEEDS COUNTY NOMOGRAPH DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED. 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.389 SUBAREA RUNOFF(CFS) = 11.04 TOTAL AREA (ACRES) = 8.40 TOTAL RUNOFF (CFS) = 11.04 ............................................................................ FLOW PROCESS FROM NODE 963.08 TO NODE 963.06 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 7.7 INCHES PIPEFLOW VELOCITY (FEET/SEC. ) = 15.3 DOWNSTREAM NODE ELEVATION = 170.60 FMWLENGTH(FEET) = 800.00 MANNINGS N = .012 ............................................................................ ............................................................................ --______________________________________------------------------------------ - UPSTREAM NODE ELEVATION = 225.00 ESTIMATED PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 11.04 TRAVEL TIME (MIN. ) = .87 TC(M1N.) = 28.01 - ............................................................................ FLOW PROCESS FROM NODE 963.06 TO NODE 963.06 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ___________________-____________________------------------------------------ ___________________--------------------------------------------------------- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.341 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 13.80 SUBAREA RUNOFF(CFS) = 17.77 TOTAL AREA(ACRES) = 22.20 TOTAL RUNOFF(CFS) = 28.81 TC(M1N) = 28.01 ............................................................................ FLOW PROCESS FROM NODE 963.06 TO NODE 963.06 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) = 28.01 RAINFALL INTENSITY (INCH./HOUR) = 2.34 TOTAL STREAM AREA (ACRES) = 22.20 - TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 28.81 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) ............................................................................ 1 36.50 23.02 2.657 2 28.81 28.01 2.341 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 61.88 TIME(M1NUTES) = 23.017 TOTAL AREA(ACRES) = 46.40 61.88 60.96 ............................................................................ FLOW PROCESS FROM NODE 963.06 TO NODE 963.07 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< PIPEFLOW VELOCITY(FEET/SEC.) = 12.6 UPSTREAM NODE ELEVATION = 170.60 .- DOWNSTREAM NODE ELEVATION = 169.50 FLOWLENGTH (FEET) = 65.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 30.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 61.88 ............................................................................ --------_____---_--_____________________------------------------------------ -----__________-________________________------------------------------------ TRAVEL TIME(M1N.) = .09 TC(M1N.) = 23.10 ............................................................................ FLOW PROCESS FROM NODE 963.07 TO NODE 963.07 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: -----------_--------_________c__________------------------------------------ .............................................................................. TIME OF CONCENTRATION(M1NUTES) = 23.10 RAINFALL INTENSITY (INCH./HOUR) = 2.65 TOTAL STREAM AREA (ACRES) = 46.40 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 61.88 ............................................................................ FLOW PROCESS FROM NODE 963.05 TO NODE 963.05 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 ____________c_-_____-------------------------------------------------------- .............................................................................. INITIAL SUBAREA FLOW-LENGTH(FEET) = 1000.00 UPSTREAM ELEVATION = 270.00 DOWNSTREAM ELEVATION = 205.00 ELEVATION DIFFERENCE = 65.00 URBAN SUBAREA OVERLAND TIME OF FLOW(M1NUTES) = 26.083 *CAUTION: SUBAREA SLOPE EXCEEDS COUNTY NOMOGRAPH - DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED. *CAUTION: SUBAREA FLOWLENGTH EXCEEDS COUNTY NOMOGRAPH DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED. 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.451 SUBAREA RUNOFF(CFS) = 21.30 TOTAL AREA(ACRES) = 15.80 TOTAL RUNOFF(CFS) = 21.30 ............................................................................ FLOW PROCESS FROM NODE 963.05 TO NODE 963.07 IS CODE = 3 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FIXlW IN 18.0 INCH PIPE IS 13.5 INCHES PIPEFLOW VELOCITY (FEET/SEC. ) = 15.0 UPSTREAM NODE ELEVATION = 205.00 DOWNSTREAM NODE ELEVATION = 169.50 FLOWLENGTH(FEET) = 800.00 MA"1NGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 21.30 ............................................................................ ............................................................................ ............................................................................ TRAVEL TIME(M1N.) = .89 TC(MIN.') = 26.97 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.399 - SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SOIL CLASSIFICATION IS "D" SUBAREA AREA(ACRES) = 18.40 SUBAREA RUNOFF(CF5) = 24.28 TOTAL AREA(ACRES) = 34.20 TOTAL RUNOFF(CFS) = 45.58 TC(M1N) = 26.97 ............................................................................ FLOW PROCESS FROM NODE 963.07 TO NODE 963.07 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<.(<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< _________L------------------------------------------------------------------ --------- .............................................................................. CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(M1NUTES) = 26.97 RAINFALL INTENSITY (INCH./HOUR) = 2.40 TOTAL STREAM AREA (ACRES) = 34.20 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 45.58 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER ( CFS ) (MIN. ) (INCH/HOUR) ............................................................................ 1 61.88 23.10 2.651 2 45.58 26.97 2.399 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS -. VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 103.13 TIME (MINUTES) = 23.103 TOTAL AREA (ACRES) = 80.60 103.13 101.58 ............................................................................ FLOW PROCESS FROM NODE 963.07 TO NODE 963.10 IS CODE = 3 >>>>>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. ) = 2 1.6 UPSTREAM NODE ELEVATION = 169.50 DOWNSTREAM NODE ELEVATION = 100.00 FLOWLENGTH(FEET) = 1700.00 MA"1NGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 33.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 103.13 TRAVEL TIME(M1N.) = 1.31 TC(M1N.) = 24.42 ............................................................................ ............................................................................ ............................................................................ SOIL CLASSIFICATION IS "D" SUBAREA AREA(ACRES) = 29.40 SUBAREA RUNOFF(CFS) = 41.36 TOTAL AREA(ACRES) = 110.00 TOTAL RUNOFF(CFS) = 144.49 TC(M1N) = 24.42 SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 ............................................................................ FLOW PROCESS FROM NODE 963.11 TO NODE 963.12 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< SOIL CLASSIFICATION IS "C" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5000 ............................................................................ ............................................................................ ............................................................................ INITIAL SUBAREA FLOW-LENGTH (FEET) = 500.00 UPSTREAM ELEVATION = 230.00 DOWNSTREAM ELEVATION = 210.00 ELEVATION DIFFERENCE = 20.00 URBAN SUBAREA OVERLAND TIME OF FLOW(M1NUTES) = 19.542 *CAUTION: SUBAREA SLOPE EXCEEDS COUNTY NOMOGRAPH DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED. 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.953 SUBAREA RUNOFF(CFS) = 2.95 TOTAL AREA (ACRES) = 2.00 TOTAL RUNOFF(CFS) = 2.95 ............................................................................ FLOW PROCESS FROM NODE 963.12 TO NODE 963.13 IS CODE = 6 >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< UPSTREAM ELEVATION = 210.00 DOWNSTREAM ELEVATION = zoo. 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) = 8.00 STREET FLOWDEPTH(FEET) = .36 HALFSTREET FLOODWIDTH (FEET) = 11.62 AVERAGE FLOW VELOCITY (FEET/SEC. ) = 2.73 PRODUCT OF DEPTH&VELOCITY = .98 ............................................................................ - ............................................................................ ............................................................................ STREETFLOW TRAVELTIME(M1N) = 4.89 TC(M1N) = 24.43 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.557 SOIL CLASSIFICATION IS "C" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5000 SUBAREA AREA(ACRES) = 7.90 SUBAREA RUNOFF(CFS) = 10.10 SUMMED AREA(ACRES) = 9.90 TOTAL RUNOFF(CFS) = 13.05 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .40 HALFSTREET FLOODWIDTH(FEET) = 13.93 FLOW VELOCITY (FEET/SEC. ) = 3.17 DEPTH*VELOCITY = 1.28 CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 24.43 RAINFALL INTENSITY (INCH./HOUR) = 2.56 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 13.05 - TOTAL STREAM AREA (ACRES) = 9.90 ............................................................................ FLOW PROCESS FROM NODE 963.09 TO NODE 963.09 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 = 230.00 DOWNSTREAM ELEVATION = 220.00 ELEVATION DIFFERENCE = 10.00 URBAN SUBAREA OVERLAND TIME OF FLOW(M1NUTES) = 18.998 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.007 SUBAREA RUNOFF(CFS) = 4.14 TOTAL AREA(ACRES) = 2.50 TOTAL RUNOFF(CFS) = 4.14 ............................................................................ FMW PROCESS FROM NODE 963.09 TO NODE 963.14 IS CODE = 6 >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< ............................................................................ ~~~~~~~~~~~~~~ - UPSTREAM ELEVATION = 220.00 DOWNSTREAM ELEVATION = 206.00 STREET LENGTH(FEET) = 650.00 CURB HEIGTH(1NCHES) = 6. STREET HALFWIDTH(FEET) = 20.00 STREET CROSSFALL(DEC1MAL) = .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 10.23 STREET FLOWDEPTH(FEET) = .43 HALFSTREET FLOODWIDTH(FEET) = 15.09 AVERAGE FLOW VELOCITY(FEET/SEC.) = 4.27 PRODUCT OF DEPTH&VELOCITY = 1.83 STREETFLOW TRAVELTIME(M1N) = 2.54 TC(M1N) = 21.53 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.774 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 8.00 SUBAREA RUNOFF(CFS) = 12.20 SUMMED AREA(ACRES) = 10.50 TOTAL RUNOFF(CFS) = 16.34 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .50 HALFSTREET FLOODWIDTH(FEET) = 18.55 FLOW VELOCITY(FEET/SEC.) = 4.59 DEPTH*VELOCITY = 2.28 ............................................................................ FLOW PROCESS FROM NODE 963.14 TO NODE 963.13 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< ............................................................................ - >>>>>USING USER-SPECIFIED PIPESIZE<<<<< ........................................................................... ........................................................................... DEPTH OF FLOW IN 18.0 INCH PIPE IS 13.5 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 11.5 UPSTREAM NODE ELEVATION = 206.00 DOWNSTREAM NODE ELEVATION = 200.00 GIVEN PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 16.34 TRAVEL TIME (MIN. ) = .33 TC(M1N.) = 21.87 - FLOWLENGTH(FEET) = 230.00 MANNINGS N = .012 ............................................................................ FLOW PROCESS FROM NODE 963.13 TO NODE 963.13 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ________________________________________------------------------------------ ________________________________________------------------------------------ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.746 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 8.70 SUBAREA RUNOFF(CFS) = 13.14 TOTAL AREA(ACRES) = 19.20 TOTAL RUNOFF(CFS) = 29.48 TC(M1N) = 21.87 ............................................................................ FLOW PROCESS FROM NODE 963.13 TO NODE 963.13 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) = 21.87 RAINFALL INTENSITY (INCH./HOUR) = 2.75 TOTAL STREAM AREA (ACRES) = 19.20 TOTAL STREAM RUNOFF (CFS) AT CONFLUENCE = 29.48 -- CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) ............................................................................ 1 13.05 24.43 2.557 2 29.48 21.87 2.746 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 41.63 TIME(M1NUTES) = 21.867 TOTAL AREA(ACRES) = 29.10 40.50 41.63 ............................................................................ FLOW PROCESS FROM NODE 963.13 TO NODE 963.28 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< PIPEFLOW VELOCITY(FEET/SEC.) = 13.3 UPSTREAM NODE ELEVATION = 200.00 ............................................................................ ............................................................................. DOWNSTREAM NODE ELEVATION = 196.00 FLOWLENGTH(FEET) = 200.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 TRAVEL TIME(M1N.) = * 25 TC(M1N.) = 22.12 - PIPEFLOW THRU SUBAREA(CFS) = 41.63 ............................................................................ FLOW PROCESS FROM NODE 963.28 TO NODE 963.29 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 24.0 INCH PIPE IS 11.7 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 27.3 UPSTREAM NODE ELEVATION = 196.00 DOWNSTREAM NODE ELEVATION = 150.00 FLOWLENGTH(FEET) = 350.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 41.63 TRAVEL TIME(M1N.) = .21 TC(M1N.) = 22.33 ............................................................................ ___________________-----------------------------------------_--------------- ___________________--------------------------------------------------------- ............................................................................ FLOW PROCESS FROM NODE 963.29 TO NODE 963.29 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) = 2.71 TOTAL STREAM AREA (ACRES) = 29.10 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 41.63 -- ******y*********************************************************************** FLOW PROCESS FROM NODE 963.17 TO NODE 963.17 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 ............................................................................ ___________________-____________________--------------------___------------- --_________________------------------------------------------------------_-_ INITIAL SUBAREA FLOW-LENGTH(FEET) = 550.00 UPSTREAM ELEVATION = 222.00 DOWNSTREAM ELEVATION = 212.00 ELEVATION DIFFERENCE = 10.00 URBAN SUBAREA OVERLAND TIME OF FLoW(M1NUTES) = 20.431 *CAUTION: SUBAREA FMWLENGTH EXCEEDS COUNTY NOMOGRAPH DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED. 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.869 SUBAREA RUNOFF(CFS) = 9.47 TOTAL AREA(ACRES) = 6.00 TOTAL RUNOFF(CFS) = 9.47 >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< UPSTREAM ELEVATION = 212.00 DOWNSTREAM ELEVATION = 208.00 STREET HALFWIDTH(FEET) = 20.00 STREET CROSSFALL(DEC1MAL) = .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 14.80 STREET FLOWDEPTH(FEET) = .46 HALFSTREET FLOODWIDTH (FEET) = 16.82 AVERAGE FLOW VELOCITY(FEET/SEC.) = 2.51 PRODUCT OF DEPTHtiVELOCITY = 1.16 ________________________________________----_--------_-------------- -----___-__-____________________________-------------_---------------------- - STREET LENGTH(FEET) = 600.00 CURB HEIGTH(1NCHES) = 6. STREETFLOW TRAVELTIME(M1N) = 3.98 TC(M1N) = 24.41 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.558 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 7.60 SUBAREA RUNOFF(CFS) = 10.69 SUMMED AREA(ACRES) = 13.60 TOTAL RUNOFF(CFS) = 20.16 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH (FEET) = .51 HALFSTREET FLOODWIDTH (FEET) = 19.13 FLOW VELOCITY(FEET/SEC.) = 2.67 DEPTH*VELOCITY = 1.36 ............................................................................ FLOW PROCESS FROM NODE 963.18 TO NODE 963.19 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< PIPEFLOW VELOCITY(FEET/SEC.) = 11.4 UPSTREAM NODE ELEVATION = 208.00 DOWNSTREAM NODE ELEVATION = 206.00 FLOWLENGTH(FEET) = 200.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 20.16 TRAVEL TIME(M1N.) = .29 TC(M1N.) = 24.71 ............................................................................ ________________________________________------------------------------_----- ............................................................................ - ............................................................................ FLOW PROCESS FROM NODE 963.19 TO NODE 963.29 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 9.2 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 22.3 UPSTREAM NODE ELEVATION = 206.00 DOWNSTREAM NODE ELEVATION = 150.00 FLOWLENGTH(FEET) = 450.00 MA"1NGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 20.16 TRAVEL TIME (MIN. ) = .34 TC(M1N.) = 25.04 ............................................................................ ----------------------__---___------__-------------------------------------- ---------__-__---------------------------_-------------___-_---------------- ........................................................................... FLOW PROCESS FROM NODE 963.29 TO NODE 963.29 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) = 25.04 RAINFALL INTENSITY (INCH./HOUR) = 2.52 TOTAL STREAM AREA (ACRES) = 13.60 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 20.16 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN. ) (INCH/HOUR) .............................................................................. _________c---------_-------------------------------------------------------- 1 41.63 22.33 2.709 2 20.16 25.04 2.517 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 60.36 58.83 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 60.36 TIME(M1NUTES) = 22.333 TOTAL AREA (ACRES) = 42.70 ............................................................................ FLOW PROCESS FROM NODE 963.29 TO NODE 963.16 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 150.00 DOWNSTREAM NODE ELEVATION = 145.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 200.00 CHANNEL BASE(FEET) = .OO llZ1l FACTOR = 12.000 MA”1NGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 60.36 FLOW VELOCITY (FEET/SEC) = 4.06 FLOW DEPTH(FEET) = 1.11 TRAVEL TIME (MIN. ) = .E2 TC(M1N.) = 23.15 ............................................................................ ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 963.16 TO NODE 963.16 IS CODE = a ............................................................................ >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< -----_____--________-------------------------------------------------------- ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.647 SOIL CLASSIFICATION IS I’D“ SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 10.80 SUBAREA RUNOFF(CFS) = 15.72 TOTAL AREA(ACRES) = 53.50 TOTAL RUNOFF(CFS) = 76.08 TC(M1N) = 23.15 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< .............................................................................. -- UPSTREAM NODE ELEVATION = 145.00 DOWNSTREAM NODE ELEVATION = 100.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1450.00 CHANNEL BASE(FEET) = .OO "Z" FACTOR = 14.000 MA"1NGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 76.08 FLOW VELOCITY (FEET/SEC) = 4.38 FLOW DEPTH( FEET) = 1.11 TRAVEL TIME(M1N.) = 5.51 TC(M1N.) = 28.67 ............................................................................ FLOW PROCESS FROM NODE 963.10 TO NODE 963.10 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ------------ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.306 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 22.40 SUBAREA RUNOFF(CFS) = 28.42 TOTAL AREA(ACRES) = 75.90 TOTAL RUNOFF(CFS) = 104.50 TC(M1N) = 28.67 ............................................................................ FLOW PROCESS FROM NODE 963.10 TO NODE 963.10 IS CODE = 7 >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<<< USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(M1N) = 24.42 RAIN INTENSITY(INCH/HOUR) = 2.56 TOTAL AREA(ACRES) = 110.00 TOTAL RUNOFF(CFS) = 144.49 ............................................................................ ............................. ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 963.10 TO NODE 963.10 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) = 24.42 RAINFALL INTENSITY (INCH./HOUR) = 2.56 TOTAL STREAM AREA (ACRES) = 110.00 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 144.49 r- CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN. ) (INCH/HOUR) ............................................................................ 1 104.50 28.67 2.306 2 144.49 24.42 2.558 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 238.72 TIME(M1NUTES) = 24.420 TOTAL AREA(ACRES) = 185.90 234.80 238.72 ............................................................................ FLOW PROCESS FROM NODE 963.10 TO NODE 963.11 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 100.00 DOWNSTREAM NODE ELEVATION = 87.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 900.00 MA"1NGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 238.72 FLOW VELOCITY(FEET/SEC) = 3.82 FLOW DEPTH(FEET) = 1.58 TRAVEL TIME(M1N.) = 3.93 TC(M1N.) = 28.35 ............................................................................ ___________________-____________________------------------------------------ ---_______------------------------------------------------------------------ _- CHANNEL BASE(FEET) = .OO "2" FACTOR = 25.000 ............................................................................ FLOW PROCESS FROM NODE 963.11 TO NODE 963.11 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ _______________------------------------------------------------------------- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.323 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 41.50 SUBAREA RUNOFF(CFS) = 53.02 TOTAL AREA(ACRES) = 227.40 TOTAL RUNOFF(CFS) = 291.74 TC(M1N) = 28.35 ............................................................................ FLOW PROCESS FROM NODE 963.11 TO NODE 963.11 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< ............................................................................ ............................................................................ ----____--_____-----____________________------------------------------------ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 28.35 RAINFALL INTENSITY (INCH./HOUR) = 2.32 TOTAL STREAM AREA (ACRES) = 227.40 - TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE - 291.74 ............................................................................ FLOW PROCESS FROM NODE 963.35 TO NODE 963.36 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 = 270.00 DOWNSTREAM ELEVATION = 215.00 ELEVATION DIFFERENCE = 55.00 URBAN SUBAREA OVERLAND TIME OF FLOW(M1NUTES) = 24.599 *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) = 2.546 SUBAREA RUNOFF(CFS) = 14.70 TOTAL AREA (ACRES) = 10.50 TOTAL RUNOFF(CFS) = 14.70 ............................................................................ FLOW PROCESS FROM NODE 963.36 TO NODE 963.37 IS CODE = 3 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IN 18.0 INCH PIPE IS 14.3 INCHES PIPEFMW VELOCITY(FEET/SEC.) = 9.8 UPSTREAM NODE ELEVATION = 215.00 DOWNSTREAM NODE ELEVATION = 200.00 FLOWLENGTH(FEET) = 800.00 MA"1NGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 14.70 TRAVEL TIME(M1N.) = 1.36 TC(M1N.) = 25.96 ............................................................................ ............................................................................ ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 963.37 TO NODE 963.37 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) = 20.50 SUBAREA RUNOFF(CFS) = 27.72 TOTAL AREA(ACRES) = 31.00 TOTAL RUNOFF(CFS) = 42.42 TC(M1N) = 25.96 ............................................................................ FLOW PROCESS FROM NODE 963.37 TO NODE 963.38 IS CODE = 3 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< ............................................................................ - >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< ........................................................................... -------------___--_---_--------__-___-------------------------------------- DEPTH OF FLOW IN 21.0 INCH PIPE IS 15.3 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 22.7 UPSTREAM NODE ELEVATION = 200.00 DOWNSTREAM NODE ELEVATION = 100.00 ESTIMATED PIPE DIAMETER(1NCH) = 21.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 42.42 TRAVEL TIME (MIN. ) = .88 TC(M1N.) = 26.84 - FLOWLENGTH(FEET) = 1200.00 MA"1NGS N = .012 ............................................................................ FLOW PROCESS FROM NODE 963.38 TO NODE 963.38 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ _______________--_--____________________------------------------------------ ________________________________________------------------------------------ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.406 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 26.20 SUBAREA RUNOFF(CFS) = 34.67 TOTAL AREA(ACRES) = 57.20 TOTAL RUNOFF(CFS) = 77.10 TC(M1N) = 26.84 ............................................................................ FLOW PROCESS FROM NODE 963.38 TO NODE 963.11 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 100.00 DOWNSTREAM NODE ELEVATION = 87.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 400.00 CHANNEL BASE(FEET) = .OO "Z" FACTOR = 25.000 MA"1NGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 77.10 FLOW VELOCITY(FEET/SEC) = 3.99 FLOW DEFl"(FEET) = .88 TRAVEL TIME(M1N.) = 1.67 TC(M1N.) = 28.51 ............................................................................ ________________________________________------------------------------------ ------_____________--------------------------------------------------------- _- ............................................................................ FLOW PROCESS FROM NODE 963.11 TO NODE 963.11 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) = 28.51 RAINFALL INTENSITY (INCH./HOUR) = 2.31 TOTAL STREAM AREA (ACRES) = 57.20 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 77.10 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER ( CFS ) (MIN.) (INCH/HOUR) ............................................................................ 1 291.74 28.35 2.323 2 77.10 28.51 2.314 - RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 368.56 367.77 - COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 368.56 TIME(M1NUTES) = 28.352 TOTAL AREA(ACRES) = 284.60 ............................................................................ FLOW PROCESS FROM NODE 963.11 TO NODE 963.12 IS CODE = 5 ............................................................................ >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 87.00 DOWNSTREAM NODE ELEVATION = 75.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 900.00 CHANNEL BASE(FEET) = .OO "Z" FACTOR = 25.000 MA"1NGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 368.56 FLOW VELOCITY(FEET/SEC) = 4.11 FLOW DEPTH(FEET) = 1.89 TRAVEL TIME(M1N.) = 3.65 TC(M1N.) = 32.00 ________________________________________--------------- ............................................................................ SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTH(FEET) = 500.00 UPSTREAM ELEVATION = 225.00 DOWNSTREAM ELEVATION = 205.00 ELEVATION DIFFERENCE = 20.00 URBAN SUBAREA OVERLAND TIME OF FLOW(M1NUTES) = 18.024 *CAUTION: SUBAREA SLOPE EXCEEDS COUNTY NOMOGRAPH DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED. 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.111 SUBAREA RUNOFF(CFS) = 6.16 TOTAL AREA(ACRES) = 3.60 TOTAL RUNOFF(CFS) = 6.16 - ............................................................................ FLOW PROCESS FROM NODE 963.20 TO NODE 963.21 IS CODE = 6 >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< UPSTREAM ELEVATION = 205.00 DOWNSTREAM ELEVATION = 193.00 STREET LENGTH(FEET) = 350.00 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) = 9.01 STREET FLOWDEPTH(FEET) = .32 HALFSTREET FLOODWIDTH (FEET) = 9.88 AVERAGE FLOW VELOCITY (FEET/SEC. ) = 4.12 PRODUCT OF DEPTH&VELOCITY = 1.33 STREETFLOW TRAVELTIME(M1N) = 1.42 TC(M1N) = 19.44 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.963 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUMMED AREA(ACRES) = 7.10 TOTAL RUNOFF( CFS) = 11.86 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .35 HALFSTREET FLOODWIDTH(FEET) = 11.04 FLOW VELOCITY(FEET/SEC.) = 4.44 DEPTH*VELOCITY = 1.54 SUBAREA AREA(ACRES) = 3.50 SUBAREA RUNOFF(CFS) = 5.70 ............................................................................ FLOW PROCESS FROM NODE 9.63.21 TO NODE 963.22 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 18.0 INCH PIPE IS 9.8 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 12.1 UPSTREAM NODE ELEVATION = 193.00 DOWNSTREAM NODE ELEVATION = 181.50 FLOWLENGTH(FEET) = 330.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 11.86 TRAVEL TIME(M1N.) = .45 TC(M1N.) = 19.90 ............................................................................ _-______________________________________--------_-_------------------------- -_______________________________________------------------------_----------- ............................................................................ FLOW PROCESS FROM NODE 963.22 TO NODE 963.22 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ --______________________________________--_--------------------------------- -----------________-----------------_--------------------------------------- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.919 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 8.10 SUBAREA RUNOFF(CFS) = 13.00 TOTAL AREA(ACRES) = 15.20 TOTAL RUNOFF(CFS) = 24.87 TC(M1N) = 19.90 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< ------_ ............................................................................ - PIPEFMW VELOCITY (FEET/SEC. ) = 7.9 UPSTREAM NODE ELEVATION = 181.50 DOWNSTREAM NODE ELEVATION = 179.50 FLOWLENGTH(FEET) = 250.00 MANNINGS N = .012 GIVEN PIPE DIAMETER( INCH) = 24.00 NUMBER OF PIPES = 1 PIPEFMW THRU SUBAREA(CFS) = 24.87 TRAVEL TIME (MIN. ) = .53 TC(M1N.) = 20.42 ............................................................................ FLOW PROCESS FROM NODE 963.23 TO NODE 963.23 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< ............................................................................ ............................................................................ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 20.42 RAINFALL INTENSITY (INCH./HOUR) = 2.87 TOTAL STREAM AREA (ACRES) = 15.20 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 24.87 ............................................................................ FLOW PROCESS FROM NODE 963.24 TO NODE 963.25 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 ............................................................................ ____________________--_----------------------------------------------------- ----------_--__-_-------------------------------------- - INITIAL SUBAREA FLOW-LENGTH(FEET) = 700.00 UPSTREAM ELEVATION = 248.00 DOWNSTREAM ELEVATIbN = 220.00 ELEVATION DIFFERENCE = 28.00 URBAN SUBAREA OVERLAND TIME OF FLOW(M1NUTES) = 21.432 *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) = 2.782 SUBAREA RUNOFF(CFS) = 9.18 TOTAL AREA(ACRES) = 6.00 TOTAL RUNOFF(CFS) = 9.18 ............................................................................ FLOW PROCESS FROM NODE 963.25 TO NODE 963.26 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. ) = 7.3 UPSTREAM NODE ELEVATION = 220.00 - DOWNSTREAM NODE ELEVATION = 218.00 FLOWLENGTH(FEET) = 180.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 ............................................................................ -----__----_____________________________------------------------------------ PIPEFLOW THRU SUBAREA(CFS) = 9.18 TRAVEL TIME(M1N.) = .41 TCCMIN.) = 21.84 - ........................................................................... FLOW PROCESS FROM NODE 963.26 TO NODE 963.27 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 18.0 INCH PIPE IS 7.4 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 13.4 UPSTREAM NODE ELEVATION = 197.00 DOWNSTREAM NODE ELEVATION = 186.00 FLOWLENGTH(FEET) = 200.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES = 1 TRAVEL TIME(M1N.) = .25 TC(M1N.) = 22.09 ............................................................................ ________________________________________------------------------------------ ________________________________________------------------------------------ PIPEFLOW THRU SUBAREA(CFS) = 9.18 ............................................................................ FLOW PROCESS FROM NODE 963.27 TO NODE 963.23 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 24.0 INCH PIPE IS 8.4 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 9.4 DOWNSTREAM NODE ELEVATION = 179.50 FLOWLENGTH(FEET) = 300.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 TRAVEL TIME (MIN. ) = .53 TC(M1N.) = 22.62 ............................................................................ ............................................................................ ............................................................................ - UPSTREAM NODE ELEVATION = 186.00 PIPEFLOW THRU SUBAREA(CFS) = 9.18 ............................................................................ FLOW PROCESS FROM NODE 963.23 TO NODE 963.23 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) = 22.62 RAINFALL INTENSITY (INCH./HOUR) = 2.69 TOTAL STREAM AREA (ACRES) = 6.00 ............................................................................ ............................................................................ ________________________________________------------------------------------ TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 9.18 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN. ) (INCH/HOUR) ............................................................................ 1 24.87 20.42 2. 870 2 9.18 22.62 2.687 .- RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: ,33.46 32.46 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 33.46 TIME(M1NUTES) = 20.422 - TOTAL AREA(ACRES) = 21.20 ............................................................................ FLOW PROCESS FROM NODE 963.23 TO NODE 963.30 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 24.0 INCH PIPE IS 11.0 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 23.7 UPSTREAM NODE ELEVATION = 179.50 DOWNSTREAM NODE ELEVATION = 85.00 FLOWLENGTH(FEET) = 900.00 MA”1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 33.46 TRAVEL TIME (MIN. ) = .63 TC(M1N.) = 21.05 _________L-----------------------------------------~------------------------ ................................................................................ ............................................................................ FLOW PROCESS FROM NODE 963.30 TO NODE 963.30 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ -------__---------__----------------- ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.814 - SOIL CLASSIFICATION IS “D” SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 22.30 SUBAREA RUNOFF(CFS) = 34.52 TOTAL AREA(ACRES) = 43.50 TOTAL RUNOFF(CFS) = 67.98 TC(M1N) = 21.05 ............................................................................ FLOW PROCESS FROM NODE 963.30 TO NODE 963.12 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANflEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 85.00 DOWNSTREAM NODE ELEVATION = 75.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 550.00 CHANNEL BASE(FEET) = .OO “Ztt FACTOR = 25.000 MA”1NGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 67.98 FLOW VELOCITY(FEET/SEC) = 2.97 FLOW DEPTH(FEET) = .96 TRAVEL TIME(M1N.) = 3.09 TC(M1N.) = 24.14 ............................................................................ -----____------________ ---- ----------==____________________________-------- .................................... ............................................................................ FLOW PROCESS FROM NODE 963.12 TO NODE 963.12 IS CODE = 1 ............................................................................ .- >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< TIME OF CONCENTRATION(M1NUTES) = 24.14 RAINFALL INTENSITY (INCH./HOUR) = 2.58 TOTAL STREAM AREA (ACRES) = 43.50 - TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 67.98 ............................................................................ FMW PROCESS FROM NODE 963.12 TO NODE 963.12 IS CODE = 7 >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<<< USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(M1N) = 30.10 RAIN INTENSITY(INCH/HOUR) = 2.23 TOTAL AREA(ACRES) = 322.40 TOTAL RUNOFF(CFS) = 414.08 ............................................................................ ________________________________________------------------------------------ -__________________--------------------------------------------------------- ............................................................................ FMW PROCESS FROM NODE 963.12 TO NODE 963.12 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) = 30.10 RAINFALL INTENSITY (INCH./HOUR) = 2.23 TOTAL STREAM AREA (ACRES) = 322.40 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 414.08 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) ________________________________________------------------------------------ ............................................................................ ............................................................................ ,- ............................................................................ 1 67.98 24.14 2.577 2 414.08 30.10 2.235 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 473.05 TIME (MINUTES) = 30.100 TOTAL AREA (ACRES) = 365.90 427.14 473.05 ............................................................................ FLOW PROCESS FROM NODE 963.12 TO NODE 963.31 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 75.00 DOWNSTREAM NODE ELEVATION = 64.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1100.00 CHANNEL BASE(FEET) = .OO "Z" FACTOR = 45.000 MA"1NGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 10.00 FLOW VELOCITY(FEET/SEC) = 3.48 FLOW DEPTH(FEET) = 1.74 TRAVEL TIME(M1N.) = 5.27 TC(M1N.) = 35.37 ............................................................................ ________________________________________------------------------------------ -------_________________________________------------------------------------ - CHANNEL FMW THRU SUBAREA(CFS) = 473.05 ............................................................................ FLOW PROCESS FROM NODE 963.31 TO NODE 963.31 IS CODE = 8 ............................................................................ - >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.014 ____________----_---------------------------------------------------------- *USER SPECIFIED(SUBAREA): SINQLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5000 SUBAREA AREA(ACRES) = 52.20 SUBAREA RUNOFF(CFS) = 52.57 TOTAL AREA(ACRES) = 418.10 TOTAL RUNOFF(CFS) = 525.61 TC(M1N) = 35.37 ............................................................................ FLOW PROCESS FROM NODE 963.31 TO NODE 963.31 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< ............................................................................ ___________________-____________________------------------------------------ ________________________________________----------------__------------------ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 35.37 RAINFALL INTENSITY (INCH./HOUR) = 2.01 TOTAL STREAM AREA (ACRES) = 418.10 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 525.61 ............................................................................ FLOW PROCESS FROM NODE 963.32 TO NODE 963.33 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 = 15.31(MINUTES) INITIAL SUBAREA FLOW-LENGTH(FEET) = 1500.00 UPSTREAM ELEVATION = 218.00 DOWNSTREAM ELEVATION = 70.00 ELEVATION DIFFERENCE = 148.00 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.456 SUBAREA RUNOFF(CFS) = 32.86 TOTAL AREA (ACRES) = 21.13 TOTAL RUNOFF(CFS) = 32.86 ............................................................................ FLOW PROCESS FROM NODE 963.33 TO NODE 963.27 IS 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. ) = 12.3 UPSTREAM NODE ELEVATION = 70.00 DOWNSTREAM NODE ELEVATION = 68.00 ESTIMATED PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 32.86 TRAVEL TIME (MIN. ) = .14 TC(M1N.) = 15.45 ............................................................................ ________________________________________----------------_------------------- -----________-------____________________------------------------------------ - FLOWLENGTH(FEET) = 100.00 MA”1NGS N = .012 ............................................................................ FLOW PROCESS FROM NODE 963.31 TO NODE 963.31 IS CODE = 1 _______c-------------------------------------------------------------------- - >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(M1NUTES) = 15.45 RAINFALL INTENSITY (INCH./HOUR) = 3.44 TOTAL STREAM AREA (ACRES) = 21.13 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 32.86 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN. ) (INCH/HOUR) ------- .............................................................................. ............................................................................ 1 525.61 35.37 2.014 2 32.86 15.45 3.436 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 544.87 TIME (MINUTES) = 35.370 TOTAL AREA(ACRES) = 439.23 544.87 340.94 ............................................................................ - FLOW PROCESS FROM NODE 963.31 TO NODE 963.34 IS CODE = 5 ........................................................................... >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 64.00 DOWNSTREAM NODE ELEVATION = 63.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 100.00 MA"1NGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 5.00 CHANNEL FLOW THRU SUBAREA(CFS) = 544.87 FLOW VELOCITY(FEET/SEC) = 15.60 FLOW DEPTH(FEET) = 2.91 TRAVEL TIME (MIN. ) = .ll TC(M1N.) = 35.48 * TO ENCINITAS CREEK ............................................................................ ............................................................................ CHANNEL BASE(FEET) = 12.00 "2" FACTOR = .ooo LINE "DV" ............................................................................ FLOW PROCESS FROM NODE 961.01 TO NODE 961.01 IS 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 = 220.00 DOWNSTREAM ELEVATION = 208.00 ELEVATION DIFFERENCE = 12.00 URBAN SUBAREA OVERLAND TIME OF FLOW(M1NUTES) = 20.866 *CAUTION: SUBAREA FLOWLENGTH EXCEEDS COUNTY NOMOGRAPH DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED. 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.831 SUBAREA RUNOFF(CFS) = 7.78 - TOTAL AREA(ACRES) = 5.00 TOTAL RUNOFF(CFS) = 7.78 ............................................................................ FLOW PROCESS FROM NODE 961.01 TO NODE 961.02 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< _________c------------------------------------------------------------------ >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 18.0 INCH PIPE IS 12.0 INCHES PIPEFLOW VELQCITY (FEET/SEC. ) = 6.2 UPSTREAM NODI? ELEVATION = 208.00 DOWNSTREAM NODE ELEVATION = 204.50 FLOWLENGTH(FEET) = 435.00 MA"1NGS N = -012 GIVEN PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 7.78 TRAVEL TIME (MIN. ) = 1.16 TC(M1N.) = 22.03 ___________-__-__-__-------------------------------------------------------- ---___--____--________ ............................................................................ FLOW PROCESS FROM NODE 961.02 TO NODE 961.02 IS CODE = 8 ............................................................................ >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< --------_-------------- .............................................................................. 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.733 SOIL CLASSIFICATION IS I'D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 TOTAL AREA(ACRES) = 10.30 TOTAL RUNOFF(CFS) = 15.75 TC(M1N) = 22.03 - SUBAREA AREA(ACRES) = 5.30 SUBAREA RUNOFF(CFS) = 7.97 ............................................................................ FLOW PROCESS FROM NODE 961.02 TO NODE 961.03 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< ............................................................................ >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 18.0 INCH PIPE IS 8.7 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 18.5 UPSTREAM NODE ELEVATION = 204.50 DOWNSTREAM NODE ELEVATION = 188.50 FLOWLENGTH(FEET) = 180.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 15.75 TRAVEL TIME (MIN. ) = .16 TC(M1N.) = 22.19 ____________________------------------------------- ....................... ---_--------_-__--_-------------------------------- ............................................................................ FLOW PROCESS FROM NODE 961.03 TO NODE 961.04 IS CODE = 4 ............................................................................ >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< - >>>>>USING USER-SPECIFIED PIPESIZE<<<<< ........................................................................... ...................... DEPTH OF FLOW IN 18.0 INCH PIPE IS 11.9 INCHES PIPEFLOW VELOCITY (FEET/SEC. ) = 12.7 UPSTREAM NODE ELEVATION = 185.00 DOWNSTREAM NODE ELEVATION = 179.00 GIVEN PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 15.75 TRAVEL TIME(M1N.) = .24 TC(M1N.) = 22.43 - FLOWLENGTH(FEET) = 180.00 MA"1NGS N = .012 ............................................................................ FLOW PROCESS FROM NODE 961.04 TO NODE 961.04 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ___________________-____________________------------------------------------ __________-___-_--_--------------------------------------------------------- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.702 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 3.90 SUBAREA RUNOFF(CFS) = 5.80 TOTAL AREA(ACRES) = 14.20 TOTAL RUNOFF(CFS) = 21.55 TC(M1N) = 22.43 ............................................................................ FLOW PROCESS FROM NODE 961.04 TO NODE 961.05 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.) = 14.8 UPSTREAM NODE ELEVATION = 179.00 DOWNSTREAM NODE ELEVATION = 153.50 FLOWLENGTH(FEET) = 640.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFMW THRU SUBAREA(CFS) = 21.55 TRAVEL TIME (MIN. ) = .72 TC(M1N.) = 23.15 ............................................................................ -----________-------____________________------------------------------------ _______________-__-_____________________------------------------------------ - ............................................................................ FLOW PROCESS FROM NODE 961.05 TO NODE 961.05 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ -_______________________________________------------------------------------ -------______------_____________________------------------------------------ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.647 SOIL CLASSIFICATION IS I'D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 10.50 SUBAREA RUNOFF(CFS) = 15.29 TOTAL AREA(ACRES) = 24.70 TOTAL RUNOFF(CFS) = 36.84 TC(M1N) = 23.15 ............................................................................ FLOW PROCESS FROM NODE 961.05 TO NODE 961.05 IS CODE = 1 ............................................................................ - >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: ----_____-----__-__-------------------------------------------------------- ---______--__--____-------------------------------------------------------- TIME OF CONCENTRATION(M1NUTES) = 23.15 RAINFALL INTENSITY (INCH./HOUR) = 2.65 TOTAL STREAM AREA (ACRES) = 24.70 - TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 36.84 ............................................................................ FLOW PROCESS FROM NODE 961.06 TO NODE 961.06 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 _________c------------------------------------------------------------------ --------- ............................................................................ INITIAL SUBAREA FLOW-LENGTH(FEET) = 600.00 UPSTREAM ELEVATION = 230.00 DOWNSTREAM ELEVATION = 215.00 ELEVATION DIFFERENCE = 15.00 URBAN SUBAREA OVERLAND TIME OF FLOW(M1NUTES) = 20.362 *CAUTION: SUBAREA FLOWLENGTH EXCEEDS COUNTY NOMOGRAPH DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED. 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.876 SUBAREA RUNOFF(CFS) = 6.33 TOTAL AREA(ACRES) = 4.00 TOTAL RUNOFF( CFS) = 6.33 ............................................................................ FLOW PROCESS FROM NODE 961.06 TO NODE 961.07 IS CODE = 6 ............................................................................ - >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< ........................................................................... ........................................................................... UPSTREAM ELEVATION = 215.00 DOWNSTREAM ELEVATION = 210.00 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) = 8.66 STREET FLOWDEPTH (FEET) = .37 HALFSTREET FLOODWIDTH( FEET) = 12.20 AVERAGE FLOW VELOCITY(FEET/SEC.) = 2.70 PRODUCT OF DEF'TH&VELOCITY = 1.00 STREETFMW TRAVELTIME(M1N) = 2.78 TC(M1N) = 23.14 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.648 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 3.20 SUBAREA RUNOFF(CFS) = 4.66 END OF SUBAREA STREETFMW HYDRAULICS: DEPTH(FEET) = .39 HALFSTREET FLOODWIDTH(FEET) = 13.35 FLOW VELoCITY(FEET/SEC.) = 2.89 DEPTH*VELOCITY = 1.14 SUMMED AREA(ACRES) = 7.20 TOTAL RUNOFF(CFS) = 10.99 ............................................................................ FLOW PROCESS FROM NODE 961.07 TO NODE 961.08 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.) = 18.4 UPSTREAM NODE ELEVATION = 210.00 - DOWNSTREAM NODE ELEVATION = 164.50 FLOWLENGTH(FEET) = 400.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 TRAVEL TIME(M1N.) = .36 TC(M1N.) = 23.51 PIPEFLOW THRU SUBAREA(CFS) 10.99 ............................................................................ FLOW PROCESS FROM NODE 961.08 TO NODE 961.05 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 18.0 INCH PIPE IS 9.8 INCHES PIPEFLOW VELOCITY (FEET/SEC. ) = 11.2 UPSTREAM NODE ELEVATION = 164.50 DOWNSTREAM NODE ELEVATION = 153.50 FLOWLENGTH(FEET) = 370.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 TRAVEL TIME(M1N.) = .55 TC(M1N.) = 24.06 ............................................................................ ________________________________________------------------------------------ ____________---------------------------------------------------------------- PIPEFLOW THRU SUBAREA(CFS) = 10.99 ............................................................................ FLOW PROCESS FROM NODE 9'61.05 TO NODE 961.05 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ -~ ........................................................................... 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.583 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .55QQ SUBAREA AREA(ACRES) = 3.40 SUBAREA RUNOFF(CFS) = 4.83 TOTAL AREA(ACRES) = 10.60 TOTAL RUNOFF(CFS) = 15.82 TC(M1N) = 24.06 ............................................................................ FLOW PROCESS FROM NODE 961.05 TO NODE 961.05 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) = 24.06 RAINFALL INTENSITY (INCH./HOUR) = 2.58 TOTAL STREAM AREA (ACRES) = 10.60 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 15.82 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN. ) (INCH/HOUR) ............................................................................ ------------ .............................................................................. ............................................................................ - 1 36.84 23.15 2.647 2 15.82 24.06 2.583 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 52.26 TIME(M1NUTES) = 23.150 TOTAL AREA(ACRES) = 35.30 - 52.26 51.75 ............................................................................ FLOW PROCESS FROM NODE 961.05 TO NODE 961.09 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 30.0 INCH PIPE IS 21.7 INCHES PIPEFLOW VELOCITY (FEET/SEC. ) = 13.7 UPSTREAM NODE ELEVATION = 153.50 DOWNSTREAM NODE ELEVATION = 145.50 FLOWLENGTH(FEET) = 420.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 30.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 52.26 TRAVEL TIME(M1N.) = .51 TC(M1N.) = 23.66 ............................................................................ ________________________________________------------------------------------ ________________________________________-----__--------------------_-------- ............................................................................ FLOW PROCESS FROM NODE 961.09 TO NODE 961.10 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 36.0 INCH PIPE IS 18.3 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 17.7 UPSTREAM NODE ELEVATION = 145.50 DOWNSTREAM NODE ELEVATION = 130.00 FLOWLENGTH(FEET) = 500.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 36.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 64.04 TRAVEL TIME(M1N.) = .47 TC(M1N.) = 24.13 ............................................................................ ________________________________________------------_----__----------------- --------___________-------------------------------------------------_------- >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< --------- ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.577 - SOIL CLASSIFICATION IS rrDr* SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 13.90 SUBAREA RUNOFF(CF5) = 19.70 TOTAL AREA(ACRES) = 57.40 TOTAL RUNOFF(CFS) = 83.74 TC(M1N) = 24.13 ............................................................................ FLOW PROCESS FROM NODE 961.10 TO NODE 961.11 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<.: _________c------------------------------------------------------------------ >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 36.0 INCH PIPE IS 22.3 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 18.2 UPSTREAM NODE ELEVATION = 130.00 DOWNSTREAM NODE ELEVATION = 110.00 FLOWLENGTH(FEET) = 100.00 MANNINGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 36.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 83.74 TRAVEL TIME(M1N.) = .64 TC(M1N.) = 24.77 ................................................................................ ............................................................................ FLOW PROCESS FROM NODE 961.11 TO NODE 961.11 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ - ..................................... ------------------------------------- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.534 *USER SPECIFIED(SUBAREA): SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .4700 SUBAREA AREA(ACRES) = 17.30 SUBAREA RUNOFF(CFS) = 20.61 TOTAL AREA(ACRES) = 74.70 TOTAL RUNOFF(CFS) = 104.35 TC(M1N) = 24.77 ............................................................................ FLOW PROCESS FROM NODE 961.11 TO NODE 961.12 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 36.0 INCH PIPE IS 29.3 INCHES PIPEFLOW VELOCITY (FEET/SEC. ) = 16.9 UPSTREAM NODE ELEVATION = 110.00 DOWNSTREAM NODE ELEVATION = 100.00 FLOWLENGTH(FEET) = 450.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 36.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 104.35 TRAVEL TIME(M1N.) = .44 TC(M1N.) = 25.21 ............................................................................ ............................................................................ -----_____---_______-------------------------------------------------------- ........................................................................... FLOW PROCESS FROM NODE 961.12 TO NODE 961.12 IS CODE = 8 ............................................................................ >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< _________________________________________----------------------------------- ________________________________________----------------------_------------- - 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.505 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 17.60 SUBAREA RUNOFF(CFS) = 24.25 TOTAL AREA(ACRES) = 92.30 TOTAL RUNOFF(CFS) = 128.60 TC(M1N) = 25.21 ............................................................................ FLOW PROCESS FROM NODE 961.12 TO NODE 961.13 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 42.0 INCH PIPE IS 25.0 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 21.6 UPSTREAM NODE ELEVATION = 100.00 DOWNSTREAM NODE ELEVATION = 90.00 FLOWLENGTH(FEET) = 300.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 42.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 128.60 TRAVEL TIME(M1N.) = .23 TC(M1N.) = 25.45 ............................................................................ ________________________________________------------------------------------ ________________________________________------------------------------------ ............................................................................ -. FLOW PROCESS FROM NODE 961.13 TO NODE 961.13 IS CODE = 8 ........................................................................... >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< -----_--___________--------------------------------------------------------- ----_______________--------------------------------------------------------- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.491 SOIL CLASSIFICATION IS "A" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .4000 TOTAL AREA(ACRES) = 99.90 TOTAL RUNOFF(CFS) = 136.17 TC(M1N) = 25.45 SUBAREA AREA(ACRES) = 7.60 SUBAREA RUNOFF(CFS) = 7.57 ............................................................................ FLOW PROCESS FROM NODE 961.13 TO NODE 961.14 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 42.0 INCH PIPE IS 24.0 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 24.0 UPSTREAM NODE ELEVATION = 90.00 DOWNSTREAM NODE ELEVATION = 56.00 FLOWLENGTH(FEET) = 800.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 42.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 136.17 TRAVEL TIME (MIN. ) = .56 TC(M1N.) = 26.00 ............................................................................ --______________________________________----------_------------------------- --------___________-----------------__-------------------------_------------ - ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 961.14 TO NODE 961.15 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 54.0 INCH PIPE IS 32.8 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 14.8 UPSTREAM NODE ELEVATION = 56.00 DOWNSTREAM NODE ELEVATION = 51.00 FLoWLENGTH(FEET) = 450.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 54.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 150.02 TRAVEL TIME (MIN. ) = .51 TC(M1N.) = 26.51 ............................................................................ ---________________--------------------------------------------------------- ___________________-____________________----------------__------------------ ............................................................................ - FLOW PROCESS FROM NODE 961.15 TO NODE 961.15 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< ............................................................................ _____________-------____________________------------------------------------ ________________________________________-__-------------------_------------- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 26.51 RAINFALL INTENSITY (INCH./HOUR) = 2.43 TOTAL STREAM AREA (ACRES) = 114.00 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 150.02 ............................................................................ FLOW PROCESS FROM NODE 961.16 TO NODE 961.17 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 ............................................................................ --_----------_______-------------------------------------------------------- ---------__________----------------------------------------___-------------- INITIAL SUBAREA FLOW-LENGTH(FEET) = 550.00 UPSTREAM ELEVATION = 219.00 DOWNSTREAM ELEVATION = 208.00 ELEVATION DIFFERENCE = 11.00 URBAN SUBAREA OVERLAND TIME OF FLOW(M1NUTES) = 19.953 *CAUTION: SUBAREA FLOWLENGTH EXCEEDS COUNTY NOMOGRAPH DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED. 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.914 SUBAREA RUNOFF(CFS) = 8.33 TOTAL AREA(ACRES) = 5.20 TOTAL RUNOFF(CFS) = 8.33 ............................................................................ FLOW PROCESS FROM NODE 961.17 TO NODE 961.18 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< ............................................................................ - >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 18.0 INCH PIPE IS 6.8 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 13.5 UPSTREAM NODE ELEVATION = 208.00 DOWNSTREAM NODE ELEVATION = 178.00 FLOWLENGTH(FEET) = 500.00 MANNINGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) - 8.33 TRAVEL TIME(M1N.) = .62 TC(M1N.) = 20.57 .............................................................................. ............................................................................ FLOW PROCESS FROM NODE 961.18 TO NODE 961.18 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.857 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 10.40 SUBAREA RUNOFF(CFS) = 16.34 TOTAL AREA(ACRES) = 15.60 TOTAL RUNOFF(CFS) = 24.68 TC(M1N) = 20.57 r ........................................................................... FLOW PROCESS FROM NODE 961.18 TO NODE 961.19 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.) = 18.7 UPSTREAM NODE ELEVATION = 178.00 DOWNSTREAM NODE ELEVATION = 156.50 FLoWLENGTH(FEET) = 315.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 24.68 TRAVEL TIME(M1N.) = .28 TC(M1N.) = 20.85 FLOW PROCESS FROM NODE 961.19 TO NODE 961.20 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< ............................................................................ ............................................................................ ............................................................................ ............................................................................ ............................................................................ DEPTH OF FLOW IN 24.0 INCH PIPE IS 12.6 INCHES PIPEFLOW VELOCITY (FEET/SEC. ) = 14.8 UPSTREAM NODE ELEVATION = 156.50 DOWNSTREAM NODE ELEVATION = 142.00 FLOWLENGTH(FEET) = 395.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 24.68 TRAVEL TIME(M1N.) = .44 TC(M1N.) = 21.29 ............................................................................ FLOW PROCESS FROM NODE 961.20 TO NODE 961.20 IS CODE = 8 ............................................................................ - >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.794 ________________________________________------------__--------------------- ________________________________________----------------------------------- SOIL CLASSIFICATION IS "A" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .4000 SUBAREA AREA (ACRES) = 4.40 SUBAREA RUNOFF(CFS) = 4.92 TOTAL AREA(ACRES) = 20.00 TOTAL RUNOFF(CFS) = 29.59 TC(M1N) = 21.29 ............................................................................ FLOW PROCESS FROM NODE 961.20 TO NODE 961.21 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 24.0 INCH PIPE IS 17.4 INCHES PIPEFLOW VELOCITY (FEET/SEC. ) = 12.1 UPSTREAM NODE ELEVATION = 112.00 DOWNSTREAM NODE ELEVATION = 100.00 FLOWLENGTH(FEET) = 600.00 MANNINGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 29.59 TRAVEL TIME(M1N.) = .82 TC(M1N.) = 22.12 ............................................................................ ............................................................................ ________________________________________------------------------------------ ............................................................................ FLOW PROCESS FROM NODE 961.20 TO NODE 961.21 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ---------_--_______--------------------------------------------------------- -----______________---------------------------------------_-_--------------- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.726 SOIL CLASSIFICATION IS "A" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .4000 SUBAREA AREA(ACRES) = 8.00 SUBAREA RUNOFF(CFS) = 8.72 TOTAL AREA(ACRES) = 28.00 TOTAL RUNOFF(CFS) = 38.32 TC(M1N) = 22.12 ............................................................................ FLOW PROCESS FROM NODE 961.21 TO NODE 961.22 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 30.0 INCH PIPE IS 13.2 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 18.4 UPSTREAM NODE ELEVATION = 83.50 DOWNSTREAM NODE ELEVATION = 59.00 FLOWLENGTH(FEET) = 505.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 30.00 NUMBER OF PIPES = 1 TRAVEL TIME (MIN. ) = .46 TC(M1N.) = 22.58 ............................................................................ -_______________________________________-----------------------__----------- -------_______------____________________------------------------------------ - PIPEFLOW THRU SUBAREA(CFS) = 38.32 ............................................................................ FLOW PROCESS FROM NODE 961.22 TO NODE 961.22 IS CODE = 8 ............................................................................ - >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.690 SOIL CLASSIFICATION IS "A" MOBILE HOME DEVELOPMENT RUNOFF COEFFICIENT = .4500 SUBAREA AREA(ACRES) = 13.60 SUBAREA RUNOFF(CFS) = 16.47 TOTAL AREA(ACRES) = 41.60 TOTAL RUNOFF(CFS) = 54.78 TC(M1N) = 22.58 _____________----_--------------------------------------------------------- _____________----_--------------------------------------------------------- ............................................................................ FLOW PROCESS FROM NODE 961.22 TO NODE 961.15 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.) = 17.6 UPSTREAM NODE ELEVATION = 59.00 DOWNSTREAM NODE ELEVATION = 51.00 FLOWLENGTH(FEET) = 235.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 36.00 NUMBER OF PIPES = 1 TRAVEL TIME (MIN. ) = .22 TC(M1N.) = 22.80 ________________________________________------------------------------------ ............................................................................ ............................................................................ PIPEFLOW THRU SUBAREA(CFS) = 54.78 ........................................................................... - FLOW PROCESS FROM NODE 961.15 TO NODE 961.15 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) = 22.80 RAINFALL INTENSITY (INCH./HOUR) = 2.67 TOTAL STREAM AREA (ACRES) = 41.60 ............................................................................ --------------------____________________------------------------------------ -----___________________________________------------------------------------ TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 54.78 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN. ) (INCH/HOUR) ............................................................................ 1 150.02 26.51 2.426 2 54.78 22.80 2.674 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 199.73 TIME(M1NUTES) = 26.508 TOTAL AREA(ACRES) = 155.60 199.73 190.91 ~ ............................................................................ FLOW PROCESS FROM NODE 961.15 TO NODE 961.23 IS CODE = 3 II DVII ---------c-----------------------------------------c------------------------ >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< - >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< .............................................................................. DEPTH OF FLOW IN 54.0 INCH PIPE IS 42.5 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 14.9 UPSTREAM NODE ELEVATION = 51.00 DOWNSTREAM NODE ELEVATION = 50.00 FLOWLENGTH(FEET) = 100.00 MA"1NGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 54.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 199.73 TRAVEL TIME(M1N.) = .ll TC(M1N.) = 26.62 * PROPOSED 60" RCP * TO ENCINITAS CREEK ............................................................................ FLOW PROCESS FROM NODE 965.01 TO NODE 965.02 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< _________c-----_____-------------------------------------------------------- ............................................................................ ............................................................................ *USER SPECIFIED(SUBAREA): COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .6500 INITIAL SUBAREA FLOW-LENGTH(FEET) = 900.00 UPSTREAM ELEVATION = 200.00 DOWNSTREAM ELEVATION = 90.00 ELEVATION DIFFERENCE = 110.00 URBAN SUBAREA OVERLAND TIME OF FLOW(M1NUTES) = 22.523 _- *CAUTION: SUBAREA SMPE EXCEEDS COUNTY NOMOGRAPH DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED. NOMOGRAPH DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED. *CAUTION: SUBAREA FMWLENGTH EXCEEDS COUNTY 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.695 SUBAREA RUNOFF(CFS) = 25.75 TOTAL AREA (ACRES) = 14.70 TOTAL RUNOFF(CFS) = 25.75 ............................................................................ FLOW PROCESS FROM NODE 965.02 TO NODE 965.03 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 24.0 INCH PIPE IS 13.3 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 14.5 UPSTREAM NODE ELEVATION = 90.00 DOWNSTREAM NODE ELEVATION = 85.00 FLOWLENGTH(FEET) = 150.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMQER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 25.75 TRAVEL TIME(M1N.) = .17 TC(M1N.) = 22.70 * TO ENCINITAS CREEK ............................................................................ ..................................... .............................................................................. ............................................................................ - FLOW PROCESS FROM NODE 967.01 TO NODE 967.02 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< ............................................................................ -----------___---__--------------------------------------------------------- ----------_________--------------------------------------------------------- *USER SPECIFIED(SUBAREA): INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .6000 ~- INITIAL SUBAREA FLOW-LENGTH(FEET) = 900.00 UPSTREAM ELEVATION = 180.00 DOWNSTREAM ELEVATION = 85.00 ELEVATION DIFFERENCE = 95.00 URBAN SUBAREA OVERLAND TIME OF FLOW(M1NUTES) = 24.142 *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) = 2.577 SUBAREA RUNOFF (CFS) = 17.78 TOTAL AREA (ACRES) = 11.50 TOTAL RUNOFF(CFS) = 17.78 ............................................................................ FLOW PROCESS FROM NODE 967.02 TO NODE 967.03 IS CODE = 3 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IN 21.0 INCH PIPE IS 13.6 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 10.8 UPSTREAM NODE ELEVATION = 85.00 DOWNSTREAM NODE ELEVATION = 83.00 FLOWLENGTH(FEET) = 100.00 MA"1NGS N = .012 PIPEFLOW THRU SUBAREA(CFS) = 17.78 TRAVEL TIME (MIN. ) = .15 TC(M1N.) = 24.30 * TO ENCINITAS CREEK ............................................................................ ............................................................................ ............................................................................ - ESTIMATED PIPE DIAMETER(1NCH) = 21.00 NUMBER OF PIPES = 1 ............................................................................ FLOW PROCESS FROM NODE 967.04 TO NODE 967.05 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 ............................................................................ ............................................................................ ............................................................................ INITIAL SUBAREA FLOW-LENGTH(FEET) = 750.00 UPSTREAM ELEVATION = 255.00 DOWNSTREAM ELEVATION = 237.00 ELEVATION DIFFERENCE = 18.00 URBAN SUBAREA OVERLAND TIME OF FLoW(M1NUTES) = 22.931 *CAUTION: SUBAREA FLOWLENGTH EXCEEDS COUNTY NOMOGRAPH DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED. 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.664 SUBAREA RUNOFF(CFS) = 6.15 TOTAL AREA(ACRES) = 4.20 TOTAL RUNOFF(CFS) = 6.15 ............................................................................ - FLOW PROCESS FROM NODE 967.05 TO NODE 967.06 IS CODE = 6 ........................................................................... >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< -----________--------------------------------------------------------------- ---_-________--------------------------------------------------------------- UPSTREAM ELEVATION = 237.00 DOWNSTREAM ELEVATION = 205.00 STREET LENGTH(FEET) = 900.00 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) = 12.59 STREET FLOWDEPTH(FEET) = .35 HALFSTREET FLOODWIDTH (FEET) = 11.04 AVERAGE FLOW VELOCITY(FEET/SEC.) = 4.71 PRODUCT OF DEPTH&VELOCITY = 1.63 STREETFLOW TRAVELTIME(M1N) = 3.18 TC(M1N) = 26.12 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.449 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 9.60 SUBAREA RUNOFF(CFS) = 12.93 SUMMED AREA(ACRES) = 13.80 TOTAL RUNOFF(CFS) = 19.08 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .39 HALFSTREET FLOODWIDTH(FEET) = 13.35 FLOW VELOCITY(FEET/SEC.) = 5.02 DEPTH*VELOCITY = 1.97 ............................................................................ FLOW PROCESS FROM NODE 967.06 TO NODE 967.07 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< ............................................................................ >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 18.0 INCH PIPE IS 10.6 INCHES PIPEFLOW VELOCITY (FEET/SEC. ) = 17.5 UPSTREAM NODE ELEVATION = 205.00 DOWNSTREAM NODE ELEVATION = 181.00 FLOWLENGTH(FEET) = 350.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 19.08 TRAVEL TIME(M1N.) = .33 TC(M1N.) = 26.45 -_______---____-----_______i____________------------------------------------ _______________-----____________________------------------------------------ <- ............................................................................ FLOW PROCESS FROM NODE 967.07 TO NODE 967.07 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ ---_____--_-___------------------------------------------------------------- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.429 SOIL CLASSIFICATION IS *ID" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 12.40 SUBAREA RUNOFF(CFS) = 16.57 TOTAL AREA(ACRES) = 26.20 TOTAL RUNOFF(CFS) = 35.65 TC(M1N) = 26.45 PIPEFLOW VELOCITY(FEET/SEC.) = 20.2 UPSTREAM NODE ELEVATION = 181.00 DOWNSTREAM NODE ELEVATION = 160.00 GIVEN PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 35.65 TRAVEL TIME (MIN. ) = .26 TC(M1N.) = 26.70 -. FLOWLENGTH(FEET) = 310.00 MA"1NGS N = .012 ............................................................................ FLOW PROCESS FROM NODE 967.08 TO NODE 967.08 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ________________________________________------------------------------------ ________________________________________------------------------------------ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.414 SOIL CLASSIFICATION IS I'D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 12.40 SUBAREA RUNOFF(CFS) = 16.47 TOTAL AREA(ACRES) = 38.60 TOTAL RUNOFF(CFS) = 52.12 TC(M1N) = 26.70 ............................................................................ FLOW PROCESS FROM NODE 967.08 TO NODE 967.09 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< PIPEFLOW VELOCITY(FEET/SEC.) = 21.7 DOWNSTREAM NODE ELEVATION = 135.00 FLOWLENGTH(FEET) = 430.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 21.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 52.12 TRAVEL TIME(M1N.) = .33 TC(M1N.) = 27.04 ............................................................................ ________________________________________------------------------------------ _____________--------------------------------------------------------------- -- UPSTREAM NODE ELEVATION = 160.00 ............................................................................ FLOW PROCESS FROM NODE 967.09 TO NODE 967.09 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ________________________________________------------------------------------ _____________--_________________________------------------------------------ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.395 SOIL CLASSIFICATION IS I'D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 9.80 SUBAREA RUNOFF(CFS) = 12.91 TOTAL AREA(ACRES) = 48.40 TOTAL RUNOFF(CFS) = 65.03 TC(M1N) = 27.04 UPSTREAM NODE ELEVATION = 135.00 DOWNSTREAM NODE ELEVATION = 131.00 FLOWLENGTH(FEET) = 350.00 MA"1NGS N = .012 PIPEFLOW THRU SUBAREA(CFS) = 65.03 TRAVEL TIME(M1N.) = .36 TC(M1N.) = 27.39 - GIVEN PIPE DIAMETER(1NCH) = 27.00 NUMBER OF PIPES = 1 ............................................................................ FLOW PROCESS FROM NODE 967.10 TO NODE 967.11 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 36.0 INCH PIPE IS 20.3 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 15.8 UPSTREAM NODE ELEVATION = 131.00 DOWNSTREAM NODE ELEVATION = 120.00 FLOWLENGTH(FEET) = 120.00 MA"1NGS N = .024 GIVEN PIPE DIAMETER(1NCH) = 36.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 65.03 TRAVEL TIME(M1N.) = .13 TC(M1N.) = 27.52 * TO ENCINITAS CREEK ________________________________________------------------------------------ __-__-____-_____________________________--------------------------_--------- ________________________________________-------------------_---------------- LINE @*DX@@ ............................................................................ FLOW PROCESS FROM NODE 967.12 TO NODE 967.13 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< SOIL CLASSIFICATION IS @ID" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 ............................................................................ ________________________________________-------------------_--------------- INITIAL SUBAREA FLOW-LENGTH(FEET) = 500.00 UPSTREAM ELEVATION = 220.00 DOWNSTREAM ELEVATION = 207.00 ELEVATION DIFFERENCE = 13.00 URBAN SUBAREA OVERLAND TIME OF FLOW(M1NUTES) = 18.472 *CAUTION: SUBAREA SLOPE EXCEEDS COUNTY NOMOGRAPH DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED. 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.062 SUBAREA RUNOFF (CFS) = 4.38 TOTAL AREA(ACRES) = 2.60 TOTAL RUNOFF(CFS) = 4.38 ............................................................................ FLOW PROCESS FROM NODE 967.13 TO NODE 967.14 IS CODE = 6 >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< UPSTREAM ELEVATION = 207.00 DOWNSTREAM ELEVATION = 155.00 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) = 11.63 HALFSTREET FLOODWIDTH(FEET) = 10.46 AVERAGE FLOW VELOCITY(FEET/SEC.) = 4.80 ............................................................................ -_______________________________________-__--------------------------------- ________________________________________------------------------------------ - STREET FLOWDEPTH(FEET) = .34 PRODUCT OF DEPTH&VELOCITY = 1.61 STREETFLOW TRAVELTIME(M1N) 3.65 TC(M1N) = 22.12 - 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.726 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 9.60 SUBAREA RUNOFF(CFS) = 14.39 SUMMED AREA(ACRES) = 12.20 TOTAL RUNOFF(CFS) = 18.77 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .37 HALFSTREET FLOODWIDTH(FEET) = 12.20 FLOW VELOCITY(FEET/SEC.) = 5.85 DEF'I"*VELOCITY = 2.16 ............................................................................ FLOW PROCESS FROM NODE 967.14 TO NODE 967.15 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 18.0 INCH PIPE IS 11.0 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 16.6 UPSTREAM NODE ELEVATION = 155.00 DOWNSTREAM NODE ELEVATION = 110.00 FLOWLENGTH(FEET) = 750.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 18.77 TRAVEL TIME(M1N.) = .75 TC(M1N.) = 22.87 ............................................................................ ............................................................................ - ........................................................................... FLOW PROCESS FROM NODE 967.15 TO NODE 967.15 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ -_______________________________________--------------_--------------------- ------______----_---____________________------------------------------------ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.668 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 7.50 SUBAREA RUNOFF(CFS) = 11.00 TOTAL AREA(ACRES) = 19.70 TOTAL RUNOFF(CFS) = 29.78 TC(M1N) = 22.87 ............................................................................ FLOW PROCESS FROM NODE 967.15 TO NODE 967.16 IS CODE = 3 IIDXII ............................................................................ >>>>>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.) = 7.1 UPSTREAM NODE ELEVATION = 110.00 DOWNSTREAM NODE ELEVATION = 109.50 FLOWLENGTH(FEET) = 100.00 MANNINGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 30.00 NUMBER OF PIPES = 1 TRAVEL TIME(M1N.) = .23 TC(M1N.) = 23.11 * TO ENCINITAS CREEK -_______________________________________------------------------------------ ............................................................................ - PIPEFLOW THRU SUBAREA(CFS) = 29.78 LINE "DW" ............................................................................ FLOW PROCESS FROM NODE 967.17 TO NODE 967.18 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 ............................................................................ - ________________________________________------------------------------------ INITIAL SUBAREA FLOW-LENGTH(FEET) = 850.00 UPSTREAM ELEVATION = 204.00 DOWNSTREAM ELEVATION = 175.00 ELEVATION DIFFERENCE = 29.00 URBAN SUBAREA OVERLAND TIME OF FLOW(M1NUTES) = 23.816 *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) = 2.599 SUBAREA RUNOFF(CFS) = 8.15 TOTAL AREA(ACRES) = 5.70 TOTAL RUNOFF(CFS) = 8.15 ............................................................................ FLOW PROCESS FROM NODE 967.18 TO NODE 967.20 IS CODE = 6 >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< UPSTREAM ELEVATION = 175.00 DOWNSTREAM ELEVATION = 150.00 STREET LENGTH(FEET) = 600.00 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) = 13.77 STREET FLOWDEPTH(FEET) = .36 HALFSTREET FLOODWIDTH(FEET) = 11.62 AVERAGE FLOW VELOCITY (FEET/SEC. ) = 4.69 PRODUCT OF DEPTH&VELOCITY = 1.68 STREETFLOW TRAVELTIME(M1N) = 2.13 TC(M1N) = 25.95 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.459 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 8.30 SUBAREA RUNOFF(CFS) = 11.23 SUMMED AREA(ACRES) = 14.00 TOTAL RUNOFF(CFS) = 19.38 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH (FEET) = .38 HALFSTREET FLOODWIDTH (FEET) = 12.77 FLOW VELOCITY(FEET/SEC.) = 5.54 DEPTH*VELOCITY = 2.11 DOWNSTREAM NODE ELEVATION = 135.00 FLOWLENGTH(FEET) = 350.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 TRAVEL TIME (MIN. ) = .40 TC(M1N.) = 26.35 - PIPEFLOW THRU SUBAREA(CFS) = 19.38 ............................................................................ FLOW PROCESS FROM NODE 967.21 TO NODE 967.22 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 21.0 INCH PIPE IS 11.0 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 15.2 UPSTREAM NODE ELEVATION = 135.00 DOWNSTREAM NODE ELEVATION = 126.00 FLOWLENGTH(FEET) = 195.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 21.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 19.38 TRAVEL TIME (MIN. ) = .21 TC(M1N.) = 26.56 ............................................................................ ______-_-------------------------------------------------------------------- _________-----_------------------------------------------------------------- ............................................................................ FLOW PROCESS FROM NODE 967.22 TO NODE 967.23 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 24.0 INCH PIPE IS 13.8 INCHES PIPEFLOW VELOCITY (FEET/SEC. ) = 10.4 UPSTREAM NODE ELEVATION = 126.00 DOWNSTREAM NODE ELEVATION = 125.00 FLOWLENGTH (FEET) = 60.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 19.38 TRAVEL TIME(M1N.) = .10 TC(M1H.) = 26.66 ............................................................................ ________________________________________------------------------------------ ............................................................................ - ............................................................................ FLOW PROCESS FROM NODE 967.23 TO NODE 967.23 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ 100 YEAR RAINFALL INTENSITYIINCH/HOUR) = 2.417 ~ ~ ~ ~ SOIL CLASSIFICATION IS 'ID" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 9.10 SUBAREA RUNOFF(CFS) = 12.10 TOTAL AREA(ACRES) = 23.10 TOTAL RUNOFF(CFS) = 31.47 TC(M1N) = 26.66 ............................................................................ FLOW PROCESS FROM NODE 967.23 TO NODE 967.24 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< .___________________-------------------------------------------------------- - , 17 ............................................................................ DEPTH OF FMW IN 30.0 INCH PIPE IS 9.4 INCHES PIPEFLOW VEMCITY(FEET/SEC.) = 23.9 DOWNSTREAM NODE ELEVATION = 90.00 FLOWLENGTH(FEET) = 300.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 30.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 31.47 TRAVEL TIME (MIN. ) = .21 TC(M1N.) = 26.87 - UPSTREAM NODE ELEVATION = 125.00 ............................................................................ FLOW PROCESS FROM NODE 967.24 TO NODE 967.25 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 30.0 INCH PIPE IS 19.0 INCHES PIPEFLOW VELOCITY (FEET/SEC. ) = 9.6 UPSTREAM NODE ELEVATION = 90.00 DOWNSTREAM NODE ELEVATION = 89.00 FLOWLENGTH(FEET) = 100.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 30.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 31.47 TRAVEL TIME (MIN. ) = .17 TC(M1N.) = 27.04 ............................................................................ ________________________________________------------------------------------ ............................................................................ ............................................................................ - FLOW PROCESS FROM NODE 967.25 TO NODE 967.25 IS CODE = 8 ........................................................................... >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ---------_-----_--_--------------------------------------------------------- --------__-_--__-___-------------------------------------------------------- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.395 SOIL CLASSIFICATION IS "D" SUBAREA AREA(ACRES) = 23.90 SUBAREA RUNOFF(CFS) = 31.48 TOTAL AREA(ACRES) = 47.00 TOTAL RUNOFF(CFS) = 62.95 TC(M1N) = 27.04 'SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 ............................................................................ FLOW PROCESS FROM NODE 967.25 TO NODE 967.26 IS CODE = 3 WDWII ............................................................................ >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IN 33.0 INCH PIPE IS 22.3 INCHES PIPEFLOW VEMCITY(FEET/SEC.), = 14.8 UPSTREAM NODE ELEVATION = 89.00 DOWNSTREAM NODE ELEVATION = 87.00 FLOWLENGTH(FEET) = 100.00 MA"1NGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 33.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 62.95 TRAVEL TIME (MIN. ) = .ll TC(M1N.) = 27.15 * TO ENCINITAS CREEK 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 * * ENCINITAS CREEK BASIN (BASIN "D") - LINES "DQ", "DS", 'IDT" * * E2.RES * .......................................................................... FILE NAME: E2.DAT TIME/DATE OF STUDY: 11:49 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) 2.800 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 LIrn "Do" ............................................................................ FLOW PROCESS FROM NODE 973.01 TO NODE 973.02 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 = 17.26(MINUTES) INITIAL SUBAREA FLOW-LENGTH(FEET) = 1600.00 UPSTREAM ELEVATION = 600.00 DOWNSTREAM ELEVATION = 520.00 ELEVATION DIFFERENCE = 80.00 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.318 - SUBAREA RUNOFF(CFS) = 44.80 TOTAL AREA(ACRES) =. 30.00 TOTAL RUNOFF(CFS) = 44.80 ............................................................................. FLOW PROCESS FROM NODE 973.02 TO NODE 973.01 IS CODE = 3 ............................................................................ - >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IN 24.0 INCH PIPE IS 16.6 INCHES PIPEFLOW VELOCITY (FEET/SEC. ) = 19.4 UPSTREAM NODE ELEVATION = 520.00 DOWNSTREAM NODE ELEVATION = 455.00 FLOWLENGTH(FEET) = 1250.00 MA"1NGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 44.80 TRAVEL TIME(M1N.) = 1.08 TC(M1N.) = 18.33 ------------ ............................................................................ -. ........................................................................... FLOW PROCESS FROM NODE 973.03 TO NODE 973.04 IS CODE = 3 IIDQII ............................................................................ >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IN 33.0 INCH PIPE IS 25.5 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 24.6 UPSTREAM NODE ELEVATION = 455.00 DOWNSTREAM NODE ELEVATION = 410.00 FLOWLENGTH(FEET) = 850.00 MA"1NGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 33.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 121.32 TRAVEL TIME(M1N.) = -58 TC(M1N.) = 18.91 ............................................................................ ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 973.04 TO NODE 973.04 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ --------------------_________L__________------------------------------------ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.128 SOIL CLASSIFICATION IS *ID" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 19.80 SUBAREA RUNOFF(CFS) = 34.07 TC(M1N) = 18.91 - TOTAL AREA(ACRES) = 93.40 TOTAL RUNOFF(CFS) = 155.39 ............................................................................ FLOW PROCESS FROM NODE 973.04 TO NODE 973.05 IS CODE = 3 IlDQll ............................................................................ >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IN 36.0 INCH PIPE IS 27.9 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 26.5 UPSTREAM NODE ELEVATION = 410.00 DOWNSTREAM NODE ELEVATION = 350.00 FLOWLENGTH(FEET) = 1100.00 MA"1NGS N = .012 ESTIMATED PIPE DIAMETER (INCH) = 36.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 155.39 TRAVEL TIME (MIN. ) = .69 TC(M1N.) = 19.60 ______---_______-_______________________--------------------- -------------------------------------------------------------~============== ............................................................................ FLOW PROCESS FROM NODE 973.05 TO NODE 973.05 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.056 SOIL CLASSIFICATION IS IrD" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 66.30 SUBAREA RUNOFF(CFS) = 111.45 TOTAL AREA(ACRES) = 159.70 TOTAL RUNOFF(CFS) = 266.84 TC(M1N) = 19.60 /- ........................................................................... FLOW PROCESS FROM NODE 973.05 TO NODE 971.01 IS CODE = 3 IIDQII ............................................................................ >>'>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IN 45.0 INCH PIPE IS 34.5 INCHES PIPEFLOW VELoCITY(FEET/SEC.) = 29.4 UPSTREAM NODE ELEVATION = 350.00 DOWNSTREAM NODE ELEVATION = 305.00 FLOWLENGTH(FEET) = 900.00 MA"1NGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 45.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 266.84 TRAVEL TIME(M1N.) = .51 TC(M1N.) = 20.11 ............................................................................ ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 971.01 TO NODE 971.01 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.006 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 TOTAL AREA(ACRES) = 194.10 TOTAL RUNOFF(CFS) = 323.71 TC(M1N) = 20.11 - SUBAREA AREA(ACRES) = 34.40 SUBAREA RUNOFF(CFS) = 56.88 ............................................................................ - FLOW PROCESS FROM NODE 971.01 TO NODE 971.01 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 20.11 RAINFALL INTENSITY (INCH./HOUR) = 3.01 TOTAL STREAM AREA (ACRES) = 194.10 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 323.71 ............................................................................ ________________________________________------------------------------------ ___________________--------------------------------------------------------- TO PAGE - lo+?- ............................................................................ FLOW PROCESS FROM NODE 972.01 TO NODE 972.02 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< SOIL CLASSIFICATION IS I'D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION WITH 10-MINUTES ADDED = 14.53(MINUTES) INITIAL SUBAREA FLOW-LENGTH(FEET) = 2000.00 UPSTREAM ELEVATION = 1040.00 DOWNSTREAM ELEVATION = 510.00 ELEVATION DIFFERENCE = . 530.00 ............................................................................ ________________________________________------------------------------------ ________________________________________------------------------------------ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.707 -- SUBAREA RUNOFF (CFS) = 114.98 TOTAL AREA(ACRES) = 56.40 TOTAL RUNOFF (CFS) = 114.98 ............................................................................ FLOW PROCESS FROM NODE 972.02 TO NODE 972.03 IS CODE = 3 "DQAI' >>>>>COMPUTE PIPEFMW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IN 30.0 INCH PIPE IS 20.1 INCHES PIPEFMW VELOCITY(FEET/SEC.) = 32.8 UPSTREAM NODE ELEVATION = 510.00 DOWNSTREAM NODE ELEVATION = 375.00 FLOWLENGTH(FEET) = 1200.00 MA"1NGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 30.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 114.98 TRAVEL TIME (MIN. ) = .61 TC(M1N.) = 15.14 ............................................................................ ________________________________________------------------------------------ ________________________________________------------------------------------ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.610 SOIL CLASSIFICATION IS "DI' SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 45.00 SUBAREA RUNOPP(CFS) = 89.34 TOTAL'hRE!A(ACRES) = 101.40 TOTAL RUNOFF(CFS) = 204.33 TC(M1N) = 15.14 - ............................................................................. FLOW PROCESS FROM NODE 972.03 TO NODE 971.01 IS CODE = 3 18DQAII ............................................................................ >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IN 39.0 INCH PIPE IS 28.0 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 32.1 UPSTREAM NODE ELEVATION = 375.00 DOWNSTREAM NODE ELEVATION = 305.00 FLOWLENGTH(FEET) = 950.00 MA"1NGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 39.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 204.33 TRAVEL TIME (MIN. ) = .49 TC(M1N.) = 15.64 ___________________-____________________------------------------------------ ___________________-____________________------------------------------------ ............................................................................ FLOW PROCESS FROM NODE 971.01 TO NODE 971.01 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ________________________________________------------------------------------ ---__________--------------------------------------------------------------- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.536 SOIL CLASSIFICATION IS I'D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 TOTAL AREA(ACRES) = 152.90 TOTAL RUNOFF(CFS) = 304.48 TC(M1N) = 15.64 - SUBAREA AREA(ACRES) = 51.50 SUBAREA RUNOFF(CFS) = 100.16 ............................................................................ FLOW PROCESS FROM NODE 971.01 TO NODE 971.01 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) = 15.64 RAINFALL INTENSITY (INCH./HOUR) = 3.54 TOTAL STREAM AREA (ACRES) = 152.90 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 304.48 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN. ) (INCH/HOUR) ............................................................................ 1 323.71 20.11 3.006 2 304.48 15.64 3.536 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS - VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 582.57 579.69 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 582.57 TIME(M1NUTES) = 20.112 TOTAL 'AREA(ACRES) = 347.00 ENCHANCED NATURAL CHANNEL ............................................................................. FLOW PROCESS FROM NODE 971.01 TO NODE 971.02 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 305.00 DOWNSTREAM NODE ELEVATION = 272.00 CHANNEL LENGTH THRU SIJBAREA(FEET) = 900.00 CHANNEL BASE(FEET) = .OO "Z" FACTOR = 5.000 MA"ING.5 FACTOR = .040 MAXIMUM DEPTH(FEET) = 5.00 CHANNEL FLOW THRU SUBAREA(CFS) = 582.57 FLOW VELOCITY(FEET/SEC) = 9.97 FLOW DEPTH(FEET) = 3.42 TRAVEL TIME(M1N.) = 1.50 TC(M1N.) = 21.62 _________c-----------------------------------------~------------------------ ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 971.02 TO NODE 971.02 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ --________---_______-------------------------------------------------------- ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.870 *USER SPECIFIED(SUBAREA): SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5000 SUBAREA AREA(ACRES) = 47.10 SUBAREA RUNOFF(CFS) = 67.58 TC(M1N) = 21.62 - TOTAL AREA(ACRES) = 394.10 TOTAL RUNOFF(CFS) = 650.15 ENHANCED NATURAL CHANNEL ............................................................................ FLOW PROCESS FROM NODE 971.02 TO NODE 971.03 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 272.00 DOWNSTREAM NODE ELEVATION = 250.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1000.00 CHANNEL BASE(FEET) = .OO "Z" FACTOR = 5.000 MA"1NGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 650.15 FLOW VELoCITY(FEET/SEC) = 8.44 FLOW DEPTH(FEET) = 3.93 TRAVEL TIME(M1N.) = 1.98 TC(M1N.) = 23.59 ............................................................................ ............................................................................ ----___-__-----_--_--------------------------------------------------------- ............................................................................ FLOW PROCESS FROM NODE 971.03 TO NODE 971.03 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ ~. 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.712 SOIL CLASSIFICATION IS 'ID" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 39.70 SUBAREA RUNOFF(CFS) = 59.22 TOTAL ‘AREA(ACRES) = 433.80 TOTAL RUNOFF(CFS) = 709.37 TC(M1N) = 23.59 ............................................................................ FLOW PROCESS FROM NODE 971.06 TO NODE 971.06 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< ............................................................................ ----____------_-__---------------------------------------------------------- ----_-----__-__------------------------------------------------------------- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 23.72 RAINFALL INTENSITY (INCH./HOUR) = 2.70 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 709.37 - TOTAL STREAM AREA (ACRES) = 433.80 TO PAGE -1 0 52- ............................................................................ FLOW PROCESS FROM NODE 971.04 TO NODE 971.24 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< SOIL CLASSIFICATION IS ‘ID” SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 ............................................................................ ............................................................................ ............................................................................ INITIAL SUBAREA FLOW-LENGTH(FEET) = 700.00 UPSTREAM ELEVATION = 355.00 DOWNSTREAM ELEVATION = 310.00 ELEVATION DIFFERENCE = 45.00 URBAN SUBAREA OVERLAND TIME OF FLOW(M1NUTES) = 21.691 *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) = 2.863 SUBAREA RUNOFF(CFS) = 14.80 TOTAL AREA(ACRES) = 9.40 TOTAL RUNOFF(CFS) = 14.80 ............................................................................ FLOW PROCESS FROM NODE 971.24 TO NODE 971.05 IS CODE = 6 >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< ........................................................................... UPSTREAM ELEVATION = 310.00 DOWNSTREAM ELEVATION = 260.00 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 FLOW(CFS) = 26.44 STREET FLOWDEF’TH(FEET) = .38 HALFSTREET FLOODWIDTH(FEET) = 12.77 AVERAGE FLOW VELOCITY(FEET/SEC.) = 7.56 PRODUCT OF DEPTH&VELOCITY = 2.88 STREETFLOW TRAVELTIME(M1N) = 1.21 TC(M1N) = 22.90 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.764 SOIL CLASSIFICATION IS llD“ SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 15.30 SUBAREA RUNOFF(CFS) = 23.26 SUMMED AREA(ACRES) = 24.70 TOTAL RUNOFF(CFS) = 38.06 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH (FEET) = .42 HALFSTREET FLOODWIDTH (FEET) = 14.51 FLOW VELOCITY(FEET/SEC.) = 8.56 DEPTH*VELOCITY = 3.57 ............................................................................ FLOW PROCESS FROM NODE 971.05 TO NODE 971.06 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.) = 16.1 UPSTREAM NODE ELEVATION = 260.00 DOWNSTREAM NODE ELEVATION = 248.00 FLOWLENGTH(FEET) = 350.00 MA”1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 30.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 38.06 TRAVEL TIME (MIN. ) = .36 TC(M1N.) = 23.27 ............................................................................ FLOW PROCESS FROM NODE 971.06 TO NODE 971.06 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) = 23.27 RAINFALL INTENSITY (INCH./HOUR) = 2.74 TOTAL STREAM AREA (ACRES) = 24.70 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 38.06 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER ( CFS 1 (MIN.) (INCH/HOUR) ............................................................................ 1 709.37 23.72 2.703 2 38.06 23.27 2.731 - RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 746.96 738.68 - COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 746.96 TIME(M1NUTES) = 23.718 TOTAL AREA(ACRES) = 458.50 ............................................................................ FLOW PROCESS FROM NODE 971.06 TO NODE 971.07 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< ENHANCED NATURAL CHANNEL UPSTREAM NODE ELEVATION = 248.00 DOWNSTREAM NODE ELEVATION = 197.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1200.00 CHANNEL BASE(FEET) = .OO IIZ" FACTOR = 5.000 MA"1NGS FACTOR = .035 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 746.96 FLOW VELoCITY(FEET/SEC) = 12.50 FLOW DEPTH(FEET) = 3.46 TRAVEL TIME(M1N.) = 1.60 TC(M1N.) = 25.32 ________________________________________------------------------------------ ________________________________________------------------------------------ ________________________________________-----__-_--------------------------- ............................................................................ FLOW PROCESS FROM NODE 971.07 TO NODE 971.07 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ ________________________________________------------------------------------ _. 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.591 SOIL CLASSIFICATION IS 'ID" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 24.70 SUBAREA RUNOFF(CFS) = 35.20 TOTAL AREA(ACRES) = 483.20 TOTAL RUNOFF(CFS) = 782.17 TC(M1N) = 25.32 ............................................................................ FLOW PROCESS FROM NODE 971.07 TO NODE 971.07 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 25.32 RAINFALL INTENSITY (INCH./HOUR) = 2.59 TOTAL STREAM AREA (ACRES) = 483.20 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 782.17 ............................................................................ ________________________________________------------------------------------ ________________________________________-----------------_------------------ TO PAGE ............................................................................ FLOW PROCESS FROM NODE 971.08 TO NODE 971.09 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 = 13.10(MINUTES) INITIAL SUBAREA FLOW-LENGTH(FEET) = 900.00 UPSTREAM ELEVATION = 480.00 - DOWNSTREAM ELEVATION = 350.00 ELEVATION DIFFERENCE = 130.00 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.964 SUBAREA RUNOFF(CFS) = 15.70 TOTAL AREA(ACRES) = 8.80 TOTAL RUNOFF(CFS) = 15.70 ............................................................................ FLOW PROCESS FROM NODE 971.09 TO NODE 971.10 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 18.0 INCH PIPE IS 9.4 INCHES PIPEFLOW VELOCITY (FEET/SEC. ) = 16.8 UPSTREAM NODE ELEVATION = 350.00 DOWNSTREAM NODE ELEVATION = 260.00 FLOWLENGTH(FEET) = 1300.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 15.70 TRAVEL TIME(M1N.) = 1.29 TC(M1N.) = 14.39 ............................................................................ ----___________-___--------------------------------------------------------- ___________________-____________________-----------_------------------------ ............................................................................ FLOW PROCESS FROM NODE 971.10 TO NODE 971.10 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ - ________________________________________------------------------------------ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.731 SOIL CLASSIFICATION IS 'ID" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 30.30 SUBAREA RUNOFF(CFS) = 62.18 TOTAL AREA(ACRES) = 39.10 TOTAL RUNOFF(CFS) = 77.88 TC(M1N) = 14.39 ............................................................................ FLOW PROCESS FROM NODE 971.10 TO NODE 971.11 IS CODE = 4 >>>>>COMPUTE PIPEFMW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 30.0 INCH PIPE IS 18.4 INCHES PIPEFMW VELOCITY(FEET/SEC.) = 24.6 UPSTREAM NODE ELEVATION = 260.00 DOWNSTREAM NODE ELEVATION = 250.00 FLOWLENGTH(FEET) = 150.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 30.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 77.88 TRAVEL TIME (MIN. ) = .10 TC(M1N.) = 14.49 ............................................................................ ----______--__-____---------------_----------------------------------------- --________--_______-____________________-----_------------------------------ ........................................................................... FLOW PROCESS FROM NODE 971.11 TO NODE 971.07 IS CODE = 1 ............................................................................ >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(M1NUTES) = 14.49 RAINFALL INTENSITY (INCH./HOUR) = 3.71 TOTAL STREAM AREA (ACRES) = 39.10 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 77. aa ------- ............................................................................ - TO PAGE - 56 - ............................................................................ FLOW PROCESS FROM NODE 971.12 TO NODE 971.13 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 ............................................................................ ________________________________________------------------------------------ ............................................................................ INITIAL SUBAREA FLOW-LENGTH(FEET) = aoo.00 UPSTREAM ELEVATION = 325.00 DOWNSTREAM ELEVATION = 275.00 ELEVATION DIFFERENCE = 50.00 *CAUTION: SUBAREA SLOPE EXCEEDS COUNTY NOMOGRAPH *CAUTION: SUBAREA FLOWLENGTH EXCEEDS COUNTY URBAN SUBAREA OVERLAND TIME OF FLOW(MINUTES) = 23.187 DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED. NOMOGRAPH DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED. 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.743 SUBAREA RUNOFF(CFS) = 11.01 - TOTAL AREA(ACRES) = 7.30 TOTAL RUNOFF(CFS) = 11.01 ............................................................................ FLOW PROCESS FROM NODE 971.13 TO NODE 971.14 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< ............................................................................ ............................................................................ DEPTH OF FLOW IN 18.0 INCH PIPE IS 7.9 INCHES PIPEFMW VELOCITY(FEET/SEC.) = 14.7 UPSTREAM NODE ELEVATION = 275.00 DOWNSTREAM NODE ELEVATION = 244.50 FLOWLENGTH(FEET) = 500.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES = 1 TRAVEL TIME (MIN. ) = .57 TC(M1N.) = 23.76 PIPEFLOW THRU SUBAREA(CFS) = 11.01 ............................................................................ FLOW PROCESS FROM NODE 971.14 TO NODE 971.14 IS CODE = a ............................................................................ >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.700 - SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 5.70 SUBAREA RUNOFF(CFS) = 8.46 TOTAL AREA(ACRES) = 13.00 TOTAL RUNOFF(CFS) = 19.48 TC(M1N) = 23.76 ............................................................................ FLOW PROCESS FROM NODE 971.14 TO NODE 971.15 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< ............................................................................ >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 24.0 INCH PIPE IS 6.3 INCHES PIPEFMW VELOCITY(FEET/SEC.) = 29.7 UPSTREAM NODE ELEVATION = 244.50 DOWNSTREAM NODE ELEVATION = 219.50 FLOWLENGTH (FEET) = 85.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFMW THRU SUBAREA(CFS) = 19.48 TRAVEL TIME (MIN. ) = .05 TC(M1N.) = 23.80 ____-_______________-------------------------------------------------------- ___________________--------------------------------------------------------- ............................................................................ FLOW PROCESS FROM NODE 971.15 TO NODE 971.16 IS CODE = 4 ............................................................................ >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 24.0 INCH PIPE IS 13.1 INCHES PIPEFMW VELOCITY(FEET/SEC.) = 11.1 UPSTREAM NODE ELEVATION = 219.50 DOWNSTREAM NODE ELEVATION = 217.50 FLOWLENGTH(FEET) = 100.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES PIPEFMW THRU SUBAREA(CFS) = 19.48 TRAVEL TIME(M1N.) = .15 TC(M1N.) = 23.95 =1 ....................................................... *********** FLOW PROCESS FROM NODE 971.16 TO NODE 971.17 IS CODE = 4 * * * ............................................................................ >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 24.0 INCH PIPE IS 17.7 INCHES PIPEFMW VELOCITY(FEET/SEC.) = 7.8 UPSTREAM NODE ELEVATION = 217.50 DOWNSTREAM NODE ELEVATION = 215.00 FLOWLENGTH(FEET) = 300.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 19.48 TRAVEL TIME(M1N.) = .64 TC(M1N.) = 24.59 ............................................................................ --_----_____-______-____________________-_---------------------------------- ............................................................................ . FLOW PROCESS FROM NODE 971.17 TO NODE 971.07 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) = 24.59 RAINFALL INTENSITY (INCH./HOUR) = 2.64 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 19.48 CONFLUENCE INFORMATION: - TOTAL STREAM AREA (ACRES) = 13.00 STREAM RUNOFF TIME INTENSITY NUMBER ( CFS ) (MIN.) (INCH/HOUR) ............................................................................ 1 782.17 25.32 2.591 2 77.88 14.49 3.714 3 19.48 24.59 2.641 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 3 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 855.61 TIME(M1NUTES) = 25.318 TOTAL AREA(ACRES) = 535.30 855.61 637.39 842.42 ............................................................................ FLOW PROCESS FROM NODE 971.07 TO NODE 971.18 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< ENHANCED NATURAL CKANNEL ............................................................................ ............................................................................ ............................................................................ _- UPSTREAM NODE ELEVATION = 197.00 DOWNSTREAM NODE ELEVATION = 162.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1300.00 CHANNEL BASE(FEET) = 5.00 "Z" FACTOR = 10.000 MA"1NGS FACTOR = .030 MAXIMUM DEFl"(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 855.61 FLOW VELOCITY(FEET/SEC) = 10.35 FLOW DEPTH(FEET) = 2.64 TRAWL TIME(M1N.) = 2.09 TC(M1N.) = 27.41 ............................................................................ FLOW PROCESS FROM NODE 971.18 TO NODE 971.18 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.462 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 73.40 SUBAREA RUNOFF(CFS) = 99.38 TOTAL AREA(ACRES) = 608.70 TOTAL RUNOFF(CFS) = 954.99 TC(M1N) = 27.41 ............................................................................ FLOW PROCESS FROM NODE 971.18 TO NODE 971.18 IS CODE = 1 ............................................................................ - >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: .................................................................... TIME OF CONCENTRATION(M1NUTES) = 27.41 RAINFALL INTENSITY (INCH./HOUR) = 2.46 TOTAL STREAM AREA (ACRES) = 608.70 - TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 954.99 TO PAGE a/o 9 - ............................................................................ FLOW PROCESS FROM NODE 971.19 TO NODE 971.20 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 = 12.46(MINUTES) INITIAL SUBAREA FLOW-LENGTH(FEET) = 600.00 UPSTREAM ELEVATION = 350.00 DOWNSTREAM ELEVATION = 280.00 ELEVATION DIFFERENCE = 70.00 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.094 SUBAREA RUNOFF(CFS) = 11.24 TOTAL AREA (ACRES) = 6.10 TOTAL RUNOFF(CFS) = 11 _. ,24 ............................................................................ FLOW PROCESS FROM NODE 971.20 TO NODE 971.21 IS CODE = 6 >>>>>COMPUTE STREETFLOW ThVELTIME THRU SUBAREA<<<<< UPSTREAM ELEVATION = 280.00 DOWNSTREAM ELEVATION = 265.00 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) = 30.16 STREET FLOWDEPTH(FEET) = .44 HALFSTREET FLOODWIDTH(FEET) = 15.66 AVERAGE FLOW VELOCITY(FEET/SEC.) = 5.86 PRODUCT OF DEFTH&VELOCITY = 2.58 ............................................................................ ............................................................................ ____--_--_------------------------------------------------------------------ _- STREETFLOW TRAVELTIME(M1N) = 1.14 TC(M1N) = 13.60 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.869 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 17.80 SUBAREA RUNOFF(CFS) = 37.88 SUMMED AREA(ACRES) = 23.90 TOTAL RUNOFF(CFS) = 49.12 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .51 HALFSTREET FLoODWIDTH(FEET) = 19.13 FLOW VELOCITY (FEET/SEC. ) = 6.50 DEPTH*VELOCITY = 3.3 1 ............................................................................ FLOW PROCESS FROM NODE 971.21 TO NODE 971.22 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 36.0 INCH PIPE IS 20.2 INCHES ............................................................................ ........................................................................... ........................................................................... PIPEFMW VELOCITY(FEET/SEC.) = 12.0 UPSTREAM NODE ELEVATION = 265.00 DOWNSTREAM NODE ELEVATION = 263.00 FLOWLENGTH(FEET) = 150.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 36.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 49.12 TRAVEL TIME (MIN. ) = .21 TC(M1N.) = 13.81 ENHANCED NATURAL CHANNE ............................................................................ FLOW PROCESS FROM NODE 971.22 TO NODE 971.23 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 263.00 DOWNSTREAM NODE ELEVATION = 210.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 700.00 CHANNEL BASE(FEET) = .OO tlZ" FACTOR = 5.000 MA"1NGS FACTOR = .035 MAXIMUM DEPTH(FEET) = 5.00 CHANNEL FLOW THRU SUBAREA(CFS) = 49.12 FLOW VELOCITY (FEET/SEC) = 7.93 FLOW DEPTH(FEET) = 1.11 TRAVEL TIME(M1N.) = 1.47 TC(M1N.) = 15.28 ............................................................................ ............................................................................ ---------- ............................................................................ FLOW PROCESS FROM NODE 971.23 TO NODE 971.23 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ -- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.589 SOIL CLASSIFICATION IS I'D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 18.40 SUBAREA RUNOFF(CFS) = 36.33 TOTAL AREA(ACRES) = 42.30 TOTAL RUNOFF(CFS) = 85.44 TC(M1N) = 15.28 ENHANCED NATURAL CHANNEL ............................................................................ FLOW PROCESS FROM NODE 971.23 TO NODE 971.18 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 210.00 DOWNSTREAM NODE ELEVATION = 162.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1050.00 CHANNEL BASE(FEET) = .OO llZ1' FACTOR = 10.000 MA"1NGS FACTOR = .035 MAXIMUM DEPTH(FEET) = 5.00 CHANNEL FLOW THRU SUBAREA(CFS) = 85.44 FLOW VELOCITY (FEET/SEC) = 6.43 FLOW DEPTH(FEET) = 1.15 TRAVEL TIME(M1N.) = 2.72 TC(M1N.) = 18.00 ............................................................................ ---------- ............................................................................ >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< .............................. .............................................................................. - CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 18.00 RAINFALL INTENSITY (INCH./HOUR) = 3.23 TOTAL STREAM AREA (ACRES) = 42.30 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 85.44 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS 1 (MIN. ) (INCH/HOUR) ............................................................................ 1 954.99 27.41 2.462 2 85.44 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) = 1020.13 TIME(M1NUTES) = 27.412 TOTAL AREA(ACRES) = 651.00 1020.13 813.43 ............................................................................ FLOW PROCESS FROM NODE 971.18 TO NODE 970.01 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< ............................................................................ ~~~~~~~~~~~~ ~~ ~ DEPTH OF FLOW IN 66.0 INCH PIPE IS 51.8 INCHES PIPEFLOW VELOCITY (FEET/SEC. ) = 17.0 UPSTREAM NODE ELEVATION = 162.00 DOWNSTREAM NODE ELEVATION = 161.00 FLOWLENGTH(FEET) = 100.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 66.00 NUMBER OF PIPES = 3 PIPEFLOW THRU SUBAREA(CFS) = 1020.13 TRAVEL TIME (MIN. ) = .10 TC(M1N.) = 27.51 ............................................................................ FLOW PROCESS FROM NODE 970.01 TO NODE 970.02 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< EN"CED NATURAL CHANNEL UPSTREAM NODE ELEVATION = 161.00 DOWNSTREAM NODE ELEVATION = 137.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1050.00 CHANNEL BASE(FEET) = .OO I'Z" FACTOR = 10.000 MA"1NGS FACTOR = .035 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 1020.13 FLOW VELOCITY(FEET/SEC) = 9.15 FLOW DEPTH(FEET) = 3.34 TRAVEL TIME(M1N.) = 1.91 TC(M1N.) = 29.42 ............................................................................ ............................................................................ ............................................................................ - ............................................................................ FLOW PROCESS FROM NODE 970.02 TO NODE 970.02 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ __________________--____________________------------------------------------ ............................................................................ - 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.352 *USER SPECIFIED (SUBAREA) : SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5000 SUBAREA AREA(ACRES) = 37.10 SUBAREA RUNOFF(CFS) = 43.63 TOTAL AREA(ACRES) = 688.10 TOTAL RUNOFF(CFS) = 1063.76 TC(M1N) = 29.42 ............................................................................ FLOW PROCESS FROM NODE 970.02 TO NODE 970.02 IS CODE = 1 ............................................................................ >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< ............................................................................ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 29.42 RAINFALL INTENSITY (INCH./HOUR) = 2.35 TOTAL STREAM AREA (ACRES) = 688.10 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 1063.76 TO PAGE,/ 64- 4 LINE "DSA" ...................................................................... ***** FLOW PROCESS FROM NODE 970.03 TO NODE 970.04 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< ............................................................................ - SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTH(FEET) = 1000.00 UPSTREAM ELEVATION = 300.00 DOWNSTREAM ELEVATION = 265.00 ELEVATION DIFFERENCE = 35.00 URBAN SUBAREA OVERLAND TIME OF FLOW(M1NUTES) = 25.862 *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) = 2.556 SUBAREA RUNOFF(CFS) = 13.36 TOTAL AREA(ACRES) = 9.50 TOTAL RUNOFF(CFS) = 13.36 TRAVEL .TIME(MIN.) = .55 TC(M1N.) = 26.41 - ............................................................................ FLOW PROCESS FROM NODE 970.05 TO NODE 970.06 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 18.0 INCH PIPE IS 8.2 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 17.1 UPSTREAM NODE ELEVATION = 262.50 DOWNSTREAM NODE ELEVATION = 230.00 FLOWLENGTH(FEET) = 400.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 13.36 TRAVEL TIME (MIN. ) = .39 TC(M1N.) = 26.80 ............................................................................ ___________________---------------------------------------------_----------- ___________________-____________________------------------------------------ ............................................................................ FLOW PROCESS FROM NODE 970.06 TO NODE 970.06 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ----______-_________-------------------------------------------------------- --_________________-____________________----------------_------------------- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.498 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 4.70 SUBAREA RUNOFF (CFS) = 6.46 TOTAL AREA(ACRES) = 14.20 TOTAL RUNOFF(CFS) = 19.81 --TC(MIN) = 26.80 ............................................................................ FLOW PROCESS FROM NODE 970.06 TO NODE 970.07 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 24.0 INCH PIPE IS 10.4 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 15.1 UPSTREAM NODE ELEVATION = 230.00 DOWNSTREAM NODE ELEVATION = 216.50 FMWLENGTHIFEET) = 300.00 MA"1NGS N = .012 ............................................................................ --__________________-----------------------------------------_--------_----- ___________________-____________________------------------------------------ ~~ GIVEN PIPE 'DIAMETER(INCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 19.81 TRAVEL TIME(M1N.) = .33 TC(M1N.) = 27.13 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.478 -SOIL CLASSIFICATION IS "D" ;INGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 18.00 SUBAREA RUNOFF(CFS) = 24.53 TOTAL AREA(ACRES) = 32.20 TOTAL RUNOFF(CFS) = 44.35 TC(M1N) = 27.13 - ........................................................................... FLOW PROCESS FROM NODE 970.07 TO NODE 970.08 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< ............................................................................ DEPTH OF FLOW IN 30.0 INCH PIPE IS 16.3 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 16.2 UPSTREAM NODE ELEVATION = 216.50 DOWNSTREAM NODE ELEVATION = 207.00 FLOWLENGTH(FEET) = 300.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 30.00 NUMBER OF PIPES = 1 TRAVEL TIME (MIN. ) = .31 TC(M1N.) = 27.44 PIPEFLOW THRU SUBAREA(CFS) = 44.35 ............................................................................ FLOW PROCESS FROM NODE 970.08 TO NODE 970.08 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.460 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 14.70 SUBAREA RUNOFF(CFS) = 19.89 TC(M1N) = 27.44 - TOTAL AREA(ACRES) = 46.90 TOTAL RUNOFF(CFS) = 64.24 .............................................................................. FLOW PROCESS FROM NODE 970.08 TO NODE 970.09 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 36.0 INCH PIPE IS 18.6 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 17.5 UPSTREAM NODE ELEVATION = 207.00 DOWNSTREAM NODE ELEVATION = 202.50 FLOWLENGTH(FEET) = 150.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 36.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 64.24 TRAVEL TIME(M1N.) = ,14 TC(M1N.) = 27.58 ............................................................................ ............................................................................ ............................................................................ L /a&.? - UPSTREF NODE ELEVATION = 202.50 DOWNSTREAM NODE ELEVATION = 156.50 FLOWLENGTH(FEET) = 1000.00 MA"1NGS N = .012 PIPEFLOW THRU SUBAREA(CFS) = 64.24 TRAVEL TIME(M1N.) = .81 TC(M1N.) = 28.40 * PROPOSED 900' OF 36" RCP - GIVEN PIPE DIAMETER(1NCH) = 36.00 NUMBER OF PIPES = 1 ............................................................................ FLOW PROCESS FROM NODE 970.11 TO NODE 970.11 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ___________________--------------------------------------------------------- ___________________-____________________------------------------------------ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.406 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 36.40 SUBAREA RUNOFF(CFS) = 48.18 TOTAL AREA(ACRES) = 83.30 TOTAL RUNOFF(CFS) = 112.41 TC(M1N) = 28.40 ............................................................................ FLOW PROCESS FROM NODE 970.11 TO NODE 970.12 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 48.0 INCH PIPE IS 19.8 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 23.0 DOWNSTREAM NODE ELEVATION = 150.00 FLoWLENGTH(FEET) = 150.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 48.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA (CFS) = 112.41 TRAVEL TIME (MIN. ) = .ll TC(M1N.) = 28.51 ............................................................................ ________________________________________------------------------------------ ________________________________________------------------------------------ -UPSTREAM NODE ELEVATION = 156.50 ............................................................................ FLOW PROCESS FROM NODE 970.12 TO NODE 970.02 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) = 28.51 RAINFALL INTENSITY (INCH./HOUR) = 2.40 TOTAL STREAM AREA (ACRES) = 83.30 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 112.41 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER ( CFS 1 (MIN. ) (INCH/HOUR) ---__________--------------------------------------------------------------- _____________--------------------------------------------------------------- ............................................................................ 1 1063.76 29.42 2.352 - 2 112.41 28.51 2.401 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: 1173.89 1154.63 - RUNOFF(CFS) = 1173.89 TIME(M1NUTES) = 29.424 TOTAL AREA(ACRES) = 771.40 ............................................................................ FLOW PROCESS FROM NODE 970.02 TO NODE 970.14 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< ENHANCED NATURAL CHANNEL UPSTREAM NODE ELEVATION = 137.00 DOWNSTREAM NODE ELEVATION = 126.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1000.00 CHANNEL BASE(FEET) = .OO llZ" FACTOR = 7.000 MA"1NGS FACTOR = .035 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 1173.89 FLOW VELOCITY (FEET/SEC) = 7.83 FLOW DEPTH (FEET) = 4.63 TRAVEL TIME(M1N.) = 2.13 TC(M1N.) = 31.55 ............................................................................ ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 970.14 TO NODE 970.14 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.248 - *USER SPECIFIED (SUBAREA) : SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5000 SUBAREA AREA(ACRES) = 27.90 SUBAREA RUNOFF(CFS) = 31.36 TOTAL AREA(ACRES) = 799.30 TOTAL RUNOFF(CFS) = 1205.26 TC(M1N) = 31.55 ............................................................................ FLOW PROCESS FROM NODE 970.14 TO NODE 970.14 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION (MINUTES) = 3 I. 55 RAINFALL INTENSITY (INCH./HOUR) = 2.25 TOTAL STREAM AREA (ACRES) = 799.30 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 1205.26 ............................................................................ ............................................................................ ----___-----______---------------------------------------------------------- ............................................................................ FLOW PROCESS FROM NODE 970.15 TO NODE 970.16 IS CODE = 2 ............................................................................ >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< SOIL CLASSIFICATION IS "D" - SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTH(FEET) = 650.00 UPSTREAM ELEVATION = 260.00 DOWNSTREAM ELEVATION = 214.50 ELEVATION DIFFERENCE = 45.50 URBAN SUBAREA OVERLAND TIME OF FLOW(M1NUTES) = 21.030 - *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) = 2.921 SUBAREA RUNOFF (CFS) = 5.14 TOTAL AREA(ACRES) = 3.20 TOTAL RUNOFF(CFS) = 5.14 ............................................................................ FLOW PROCESS FROM NODE 970.16 TO NODE 970.17 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.) = 5.6 UPSTREAM NODE ELEVATION = 214.50 DOWNSTREAM NODE ELEVATION = 211.00 FLOWLENGTH(FEET) = 450.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 5.14 TRAVEL TIME(M1N.) = 1.34 TC(M1N.) = 22.37 ............................................................................ ............................................................................ ............................................................................ - FLOW PROCESS FROM NODE 970.17 TO NODE 970.17 IS CODE = a ........................................................................... >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.807 SOIL CLASSIFICATION IS I'D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 2.80 SUBAREA RUNOFF(CFS) = 4.32 TOTAL AREA(ACRES) = 6.00 TOTAL RUNOFF(CFS) = 9.46 TC(M1N) = 22.37 ............................................................................ FLOW PROCESS FROM NODE 970.17 TO NODE 970.18 IS CODE = 4 ............................................................................ >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 24.0 INCH PIPE IS 6.0 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 15.5 UPSTREAM NODE ELEVATION = 211.00 DOWNSTREAM NODE ELEVATION = 151.00 FLoWLENGTH(FEET) = 700.00 MANNINGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 9.46 TRAVEL TIME (MIN. ) = .75 TC(M1N.) = 23.12 ----------------- .............................................................................. ............................................................................ FLOW PROCESS FROM NODE 970.18 TO NODE 970.18 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.748 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 10.20 SUBAREA RUNOFF(CFS) = 15.41 TOTAL AREA(ACRES) = 16.20 TOTAL RUNOFF(CFS) = 24.88 TC(M1N) = 23.12 ............................................................................ FLOW PROCESS FROM NODE 970.18 TO NODE 970.14 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< ............................................................................ >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 24.0 INCH PIPE IS 10.8 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 18.1 UPSTREAM NODE ELEVATION = 151.00 DOWNSTREAM NODE ELEVATION = 126.00 FLOWLENGTH(FEET) = 400.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 24.88 TRAVEL TIME(M1N.) = .37 TC(M1N.) = 23.49 ............................................................................ ............................................................................. FLOW PROCESS FROM NODE 970.14 TO NODE 970.14 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) = 23.49 RAINFALL INTENSITY (INCH./HOUR) = 2.72 TOTAL STREAM AREA (ACRES) = 16.20 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 24.88 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) ............................................................................ ............................................................................ 1 1205.26 31.55 2.248 2 24.88 23.49 2.720 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 1225.82 TIME(M1NUTES) = 31.553 TOTAL AREA(ACRES) = 815.50 1225.82 1021.14 ............................................................................ lBf-2 ~ FLOW PROCESS FROM NODE 970.20 TO NODE 970.21 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 = 270.00 DOWNSTREAM ELEVATION = 210.00 ELEVATION DIFFERENCE = 60.00 URBAN SUBAREA OVERLAND TIME OF FLOW(M1NUTES) = 23.566 *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) = 2.714 SUBAREA RUNOFF(CFS) = 15.37 TOTAL AREA(ACRES) = 10.30 TOTAL RUNOFF(CFS) = 15.37 ............................................................................ FLOW PROCESS FROM NODE 970.21 TO NODE 970.22 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 8.6 INCHES - PIPEFLOW VELOCITY(FEET/SEC.) = 18.4 UPSTREAM NODE ELEVATION = 210.00 DOWNSTREAM NODE ELEVATION = 170.00 FLoWLENGTH(FEET) = 450.00 MA"1NGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 15.37 TRAVEL TIME (MIN. ) = .41 TC(M1N.) = 23.97 ............................................................................ ___-________________----_------_----------_-----_--------------------------- --_----____---_____-____________________-----_------------------------------ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.684 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACFtES) = 11.60 SUBAREA RUNOFF(CFS) = 17.12 TOTAL AREA(ACRES) = 21.90 TOTAL RUNOFF(CFS) = 32.50 TC(M1N) = 23.97 ............................................................................ FLOW PROCESS FROM NODE 970.22 TO NODE 970.23 IS CODE = 3 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IN 21.0 INCH PIPE IS 14.0 INCHES ............................................................................ .............................................................................. PIPEFLOW VELOCITY (FEET/SEC. ) = 19.1 UPSTREAM NODE ELEVATION = 170.00 DOWNSTREAM NODE ELEVATION = 130.00 ESTIMATED PIPE DIAMETER(1NCH) = 21.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 32.50 TRAVEL TIME(M1N.) = .57 TC(M1N.) = 24.54 - FLOWLENGTH(FEET) = 650.00 MA"1NGS N = .012 ............................................................................ FLOW PROCESS FROM NODE 970.23 TO NODE 970.23 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ -------------------------------------------------------~==------------------ ____________________----------------------------------- --------__---_-___ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.644 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 21.60 SUBAREA RUNOFF(CFS) = 31.41 TOTAL AREA(ACRES) = 43.50 TOTAL RUNOFF(CFS) = 63.91 TC(M1N) = 24.54 ............................................................................ FLOW PROCESS FROM NODE 970.23 TO NODE 970.24 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< ............................................................................ >>>>>USING USER-SPECIFIED PIPESIZE<<<<< -_______---_________----------------------------------- ............................................................................ - DEPTH OF FLOW IN 42.0 INCH PIPE IS 19.1 INCHES PIPEFLOW VELoCITY(FEET/SEC.) = 15.0 UPSTREAM NODE ELEVATION = 130.00 DOWNSTREAM NODE ELEVATION = 125.00 FLOWLENGTH(FEET) = 250.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 42.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 63.91 TRAVEL TIME(M1N.) = .28 TC(M1N.) = 24.82 ............................................................................ FLOW PROCESS FROM NODE 970.24 TO NODE 970.25 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. ) = 12.6 UPSTREAM NODE ELEVATION = 125.00 DOWNSTREAM NODE ELEVATION = 123.00 FLoWLENGTH(FEET) = 100.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 30.00 NUMBER OF PIPES = 2 PIPEFLOW THRU SUBAREA(CFS) = 63.91 TRAVEL TIME (MIN. ) = .13 TC(M1N.) = 24.95 ............................................................................ ............................................................................ ............................................................................ _a >>>>>FUiTIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< SOIL CLASSIFICATION IS "D" ............................. ............................................................................ .- SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTH(FEET) = 750.00 UPSTREAM ELEVATION = 235.00 DOWNSTREAM ELEVATION = 190.00 ELEVATION DIFFERENCE = 45.00 URBAN SUBAREA OVERLAND TIME OF FLOW(M1NUTES) = 22.371 *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) = 2.807 SUBAREA RUNOFF(CFS) = -7.87 TOTAL AREA(ACRES) = 5.10 TOTAL RUNOFF(CFS) = 7.87 ************c*************************************************************** FLOW PROCESS FROM NODE 970.28 TO NODE 970.29 IS CODE = 6 >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< UPSTREAM ELEVATION = 190.00 DOWNSTREAM ELEVATION = 120.00 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) = 14.27 HALFSTREET FLOODWIDTH(FEET) = 9.30 AVERAGE FLOW VELOCITY(FEET/SEC.) = 7.25 PRODUCT OF DEPTH&VELOCITY = 2.26 ____________c--------------------------------------------------------------- ............................................................................ - STREET FLOWDEPTH(FEET) = .31 STREETFLOW TRAVELTIME(M1N) = 1.61 TC(M1N) = 23.98 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.684 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 8.70 SUBAREA RUNOFF(CFS) = 12.84 SUMMED AREA(ACRES) = 13.80 TOTAL RUNOFF(CFS) = 20.71 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .35 HALFSTREET FLOODWIDTH(FEET) = 11.04 FLOW VELOCITY(FEET/SEC.) = 7.75 DEPTH*VELOCITY = 2.69 ............................................................................ FLOW PROCESS FROM NODE 970.29 TO NODE 970.30 IS CODE = 3 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IN 21.0 INCH PIPE IS 16.5 INCHES PIPEFLOW VELOCITY (FEET/SEC. ) = 10.2 UPSTREAM NODE ELEVATION = 120.00 DOWNSTREAM NODE ELEVATION = 115.00 ESTIMATED PIPE DIAMETER(1NCH) = 21.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 20.71 ............................................................................ ............................................................................ ............................................................................ - FLOWLENGTH(FEET) = 300.00 MA"1NGS N = .012 TRAVEL TIME (MIN. ) = .49 TC(M1N.) = 24.47 ............................................................................. FLOW PROCESS FROM NODE 970.30 TO NODE 970.30 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ------ .............................................................................. 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.649 SOIL CLASSIFICATION IS 'ID" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 5.60 SUBAREA RUNOFF(CFS) = 8.16 TOTAL AREA(ACRES) = 19.40 TOTAL RUNOFF(CFS) = 28.87 TC(M1N) = 24.47 ............................................................................ FLOW PROCESS FROM NODE 970.30 TO NODE 970.31 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< ............................................................................ DEPTH OF FLOW IN 24.0 INCH PIPE IS 11.0 INCHES PIPEFLOW VELOCITY (FEET/SEC. ) = 10.3 UPSTREAM NODE ELEVATION = 115.00 DOWNSTREAM NODE ELEVATION = 113.00 FLOWLENGTH(FEET) = 100.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 2 PIPEFLOW THRU SUBAREA(CFS) = 28.87 -- TRAVEL TIME(M1N.) = .16 TC(M1N.) = 24.63 LINE "DSB" ............................................................................ FLOW PROCESS FROM NODE 970.32 TO NODE 970.33 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< ............................................................................ SOIL CLASSIFICATION IS 'ID" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTH(FEET) = 700.00 UPSTREAM ELEVATION = 235.00 DOWNSTREAM ELeVATION = 220.00 ELEVATION DIFFERENCE = 15.00 URBAN SUBAREA OVERLAND TIME OF FLoW(M1NUTES) = 22.404 *CAUTION: SUBAREA FLOWLENGTH EXCEEDS COUNTY NOMOGRAPH DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED. 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.804 SUBAREA RUNOFF(CFS) = 8.94 TOTAL AREA(ACRES) = 5.80 TOTAL RUNOFF(CFS) = 8.94 ............................................................................ FLOW PROCESS FROM NODE 970.33 TO NODE 970.34 IS CODE = 6 >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< UPSTREAM ELEVATION = 220.00 DOWNSTREAM ELEVATION = 210.00 ............................................................................ STREET LENGTH(FEET) = 200.00 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) = 12.58 STREET FLOWDEPTH(FEET) = .34 HALFSTREET FLOODWIDTH(FEET) = 10.46 AVERAGE FLOW VELOCITY(FEET/SEC.) = 5.19 PRODUCT OF DEPTH&VELOCITY = 1.74 STREETFLOW TRAVELTIME (MIN) = .64 TC(M1N) = 23.05 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.753 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA (ACRES) = 4.80 SUBAREA RUNOFF(CFS) = 7.27 SUMMED AREA(ACRES) = 10.60 TOTAL RUNOFF(CFS) = 16.21 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH (FEET) = .3 6 HALFSTREET FLOODWIDTH (FEET) = 11.62 FMW VELOCITY (FEET/SEC. ) = 5.52 DEPTH*VELOCITY = 1.98 ............................................................................ FLOW PROCESS FROM NODE 970.34 TO NODE 970.35 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 18.0 INCH PIPE IS 10.0 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 16.0 DOWNSTREAM NODE ELEVATION = 180.00 FMWLENGTH(FEET) = 500.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 16.21 TRAVEL TIME (MIN. ) = .52 TC(M1N.) = 23.57 ............................................................................ ............................................................................ ............................................................................ _- UPSTREAM NODE ELEVATION = 210.00 ............................................................................ FLOW PROCESS FROM NODE 970.35 TO NODE 970.35 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.714 SOIL CLASSIFICATION IS llD'l SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 5.80 SUBAREA RUNOFF(CFS) = 8.66 TOTAL AREA(ACRES) = 16.40 TOTAL RUNOFF(CFS) = 24.87 TC(M1N) = 23.57 ............................................................................ FLOW PROCESS FROM NODE 970.35 TO NODE 970.36 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 21.0 INCH PIPE IS 13.7 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 15.0 ............................................................................ ............................................................................ UPSTREAM NODE ELEVATION = 180.00 DOWNSTREAM NODE ELEVATION = 167.00 FLOWLENGTH(FEET) = 340.00 MA"1NGS N = .012 PIPEFLOW THRU SUBAREA(CFS) = 24.87 TRAVEL TIME(M1N.) = .38 TC(M1N.) = 23.94 .- GIVEN PIPE DIAMETER(1NCH) = 21.00 NUMBER OF PIPES = 1 ............................................................................ FLOW PROCESS FROM NODE 970.36 TO NODE 970.36 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ___________________-____________________------------------------------------ ___________________------------__-_----------------------------------------- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.686 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 7.70 SUBAREA RUNOFF(CFS) = 11.38 TOTAL AREA(ACRES) = 24.10 TOTAL RUNOFF(CFS) = 36.25 TC(M1N) = 23.94 ............................................................................ FLOW PROCESS FROM NODE 970.36 TO NODE 970.37 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 30.0 INCH PIPE IS 14.7 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 15.2 DOWNSTREAM NODE ELEVATION = 158.00 FLOWLENGTH(FEET) = 300.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 30.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 36.25 TRAVEL TIME (MIN. ) = .33 TC(M1N.) = 24.27 ............................................................................ --_________________--------------------------------------------------------- --_________________---------------__--------------------_------------------- -- UPSTREAM NODE ELEVATION = 167.00 ............................................................................ FLOW PROCESS FROM NODE 970.37 TO NODE 970.38 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 30.0 INCH PIPE IS 11.6 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 20.7 UPSTREAM NODE ELEVATION = 158.00 DOWNSTREAM NODE ELEVATION = 137.00 FLOWLENGTH(FEET) = 300.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 30.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 36.25 TRAVEL TIME(M1N.) = .24 TC(M1N.) = 24.52 ............................................................................ --__________________-_--------------------------_--------------------------- ---------__________--------------__----------------------_------------------ ............................................................................ FLOW PROCESS FROM NODE 970.38 TO NODE 970.39 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< ........................................................................... >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 30.0 INCH PIPE IS 14.7 INCHES - PIPEFLOW VELOCITY(FEET/SEC.) = 15.2 UPSTREAM NODE ELEVATION = 137.00 DOWNSTREAM NODE ELEVATION = 131.00 FLOWLENGTH(FEET) = 200.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 30.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 36.25 TRAVEL TIME(M1N.) = .22 TC(M1N.) = 24.74 ............................................................................ ____________----------------- ............................................................................ FLOW PROCESS FROM NODE 970.39 TO NODE 970.39 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.630 ~~ ~ ~~ SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 16.70 SUBAREA RUNOFF(CFS) = 24.16 TOTAL AREA(ACRES) = 40.80 TOTAL RUNOFF(CFS) = 60.41 TC(M1N) = 24.74 ............................................................................ FLOW PROCESS FROM NODE 970.39 TO NODE 970.39 IS CODE = 1 ............................................................................ - >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 24.74 RAINFALL INTENSITY (INCH./HOUR) = 2.63 TOTAL STREAM AREA (ACRES) = 40.80 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 60.41 --__________-___________________________----------------------------------- ________________________________________----------------------------------- TO PAGE ............................................................................ FLOW PROCESS FROM NODE 970.40 TO NODE 970.44 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 = 189.00 DOWNSTREAM ELEVATION = 165.00 ELEVATION DIFFERENCE = 24.00 URBAN SUBAREA OVERLAND TIME OF FLOW(M1NUTES) = 23.259 *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) = 2.737 SUBAREA RUNOFF(CFS) = 3.46 TOTAL AREA(ACRES) = 2.30 TOTAL RUNOFF(CFS) = 3.46 ............................................................................ FLOW PROCESS FROM NODE 970.44 TO NODE 970.41 IS CODE = 6 >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< UPSTREAM ELEVATION = 165.00 DOWNSTREAM ELEVATION = 132.50 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 FLOW(CFS) = 10.15 STREET FLOWDEPTH (FEET) = .3 1 HALFSTREET FLOODWIDTH(FEET) = 9.30 AVERAGE FLOW VELOCITY(FEET/SEC.) = 5.16 PRODUCT OF DEPTH&VELOCITY = 1.61 -.--------------------------------------------------------------------------- .................................... ............................................................................ STREETFMW TRAVELTIME(M1N) = 1.78 TC(M1N) = 25.04 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.610 SOIL CLASSIFICATION IS 'ID" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 9.30 SUBAREA RUNOFF(CFS) = 13.35 SUMMED AREA(ACRES) = 11.60 TOTAL RUNOFF(CFS) = 16.81 END OF SUBAREA STREETFMW HYDRAULICS: DEPTH (FEET) = .36 HALFSTREET FLOODWIDTH (FEET) = 11.62 FLOW VELOCITY(FEET/SEC.) = 5.73 DEPTH*VELOCITY = 2.05 ............................................................................ - FMW PROCESS FROM NODE 970.41 TO NODE 970.39 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.) = 6.7 UPSTREAM NODE ELEVATION = 132.50 DOWNSTREAM NODE ELEVATION = 131.00 FLOWLENGTH(FEET) = 250.00 MANNINGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 16.81 TRAVEL TIME(M1N.) = .62 TC(M1N.) = 25.66 __ ----- .................................... ------==________________________________---- ........................... NUMBER ( CFS ) (MIN. ) (INCH/HOUR) ............................................................................ 1 60.41 24.74 2.630 2 16.81 25.66 2.569 _- RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 76.83 TIME(M1NUTES) = 24.736 TOTAL AREA(ACRES) = 52.40 76.83 75.81 ............................................................................ FLOW PROCESS FROM NODE 970.39 TO NODE 970.42 IS CODE = 3 "DSB" ............................................................................ >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IN 42.0 INCH PIPE IS 32.0 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 9.8 UPSTREAM NODE ELEVATION = 131.00 DOWNSTREAM NODE ELEVATION = 129.00 FLOWLENGTH(FEET) = 330.00 MANNINGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 42.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 76.83 TRAVEL TIME(M1N.) = .56 TC(M1N.) = 25.30 ............................................................................ - ........................................................................... FLOW PROCESS FROM NODE 970.42 TO NODE 970.42 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ___---_____---____ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.593 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 3.20 SUBAREA RUNOFF(CFS) = 4.56 TOTAL AREA(ACRES) = 55.60 TOTAL RUNOFF(CFS) = 81.39 TC(M1N) = 25.30 ............................................................................ FLOW PROCESS FROM NODE 970.42 TO NODE 970.43 IS CODE = 5 ............................................................................ >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 129.00 DOWNSTREAM NODE ELEVATION = 127.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 100.00 MANNINGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 2.00 FLOW VELOCITY(FEET/SEC) = 12.89 FLOW DEPTH(FEET) = 1.58 TRAVEL TIME(M1N.) = .13 TC(M1N.) = 25.43 ............................................................................ CHANNEL BASE(FEET) = 4.00 IIZ" FACTOR = .ooo - CHANNEL FLOW THRU SUBAREA(CFS) = 81.39 ............................................................................ FLOW PROCESS FROM NODE 970.44 TO NODE 970.45 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< SOIL CLASSIFICATION IS IID“ SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 ............................................................................ ---------e==---------------------------------------~==---------------------- --------- ....................................... -----------------_____ INITIAL SUBAREA FLOW-LENGTH (FEET) = 600.00 UPSTREAM ELEVATION = 160.00 DOWNSTREAM ELEVATION = 140.00 ELEVATION DIFFERENCE = 20.00 URBAN SUBAREA OVERLAND TIME OF FLOW(M1NUTES) = 19.931 *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) = 3.024 SUBAREA RUNOFF(CFS) = 6.15 TOTAL AREA (ACRES) = 3.70 TOTAL RUNOFF(CFS) = 6.15 ............................................................................ FLOW PROCESS FROM NODE 970.45 TO NODE 970.46 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< --------- ............................................................................ - DEPTH OF FLOW IN 18.0 INCH PIPE IS 5.4 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 13.9 UPSTREAM NODE ELEVATION = 140.00 DOWNSTREAM NODE ELEVATION = 123.50 FLOWLENGTH(FEET) = 200.00 MANNINGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 6.15 TRAVEL TIME (MIN. ) = .24 TC(M1N.) = 20.17 ............................................................................ FLOW PROCESS FROM NODE 970.47 TO NODE 970.48 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< SOIL CLASSIFICATION IS “D“ SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 ............................................................................ _-------- ............................................................................ INITIAL SUBAREA FLOW-LENGTH(FEET) = 950.00 UPSTREAM ELEVATION = 192.00 DOWNSTREAM ELEVATION = 170.00 ELEVATION DIFFERENCE = 22.00 URBAN SUBAREA OVERLAND TIME OF FLOW(M1NUTES) = 25.993 *CAUTION: SUBAREA FLOWLENGTH EXCEEDS COUNTY NOMOGRAPH DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED. 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.548 SUBAREA RUNOFF(CFS) = 8.27 - TOTAL AREA(ACRES) = 5.90 TOTAL RUNOFF(CFS) = 8.27 ............................................................................ FLOW PROCESS FROM NODE 970.48 TO NODE 970.49 IS CODE = 4 ............................................................................ - >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 18.0 INCH PIPE IS 7.5 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 11.8 UPSTREAM NODE ELEVATION = 170.00 DOWNSTREAM NODE ELEVATION = 145.00 FLOWLENGTH(FEET) = 600.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 8.27 TRAVEL TIME(M1N.) = . a5 TC(M1N.) = 26.84 ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 970.49 TO NODE 970.49 IS CODE = a ............................................................................ >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ -------------- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = '2.496 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 TOTAL AREA(ACRES) = 12.80 TOTAL RUNOFF(CFS) = 17.74 TC(M1N) = 26.84 SUBAREA AREA(ACRES) = 6.90 SUBAREA RUNOFF(CFS) = 9.47 - ........................................................................... FLOW PROCESS FROM NODE 970.49 TO NODE 970.50 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 18.0 INCH PIPE IS 11.9 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 14.3 UPSTREAM NODE ELEVATION = 145.00 DOWNSTREAM NODE ELEVATION = 130.00 FLOWLENGTH(FEET) = 350.00 MANNINGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 TRAVEL TIME(M1N.) = .41 TC(M1N.) = 27.25 ............................................................................ ............................................................................ --____--_______-________________________------------------------------------ PIPEFLOW THRU SUBAREA(CFS) = 17.74 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.471 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 7.50 SUBAREA RUNOFF(CFS) = 10.19 TC(M1N) = 27.25 - TOTAL AREA(ACRES) = 20.30 TOTAL RUNOFF(CFS) = 27.93 ............................................................................ - FLOW PROCESS FROM NODE 970.50 TO NODE 970.51 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.) = 21.1 UPSTREAM NODE ELEVATION = 130.00 DOWNSTREAM NODE ELEVATION = 117.00 FLOWLENGTH(FEET) = 150.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 27.93 TRAVEL TIME(M1N.) = .12 TC(M1N.) = 27.37 -_____----______------------------------------------------------------------ _______-________------------------------------------------------------------ - UPSTREAM ELEVATION = 950;OO . DOWNSTREAM ELEVATION = 470.00 ELEVATION DIFFERENCE = 480.00 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3 SUBAREA RUNOFF(CFS) = 44.03 TOTAL AREA(ACRES) = 26.60 TOTAL RUNOFF 678 CFS) = 44.03 .............................................. ............................. FLOW PROCESS FROM NODE 976.02 TO NODE 976.03 IS CODE = 5 ............................................................................ >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 470.00 DOWNSTREAM NODE ELEVATION = 370.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1300.00 CHANNEL BASE(FEET) = .OO "2" FACTOR = 7.000 MA"1NGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 5.00 CHANNEL FLOW THRU SUBAREA(CFS) = 44.03 FLOW VELOCITY (FEET/SEC) = 6.34 FLOW DEPTH(FEET) = 1.00 TRAVEL TIME(M1N.) = 3.42 TC(M1N.) = 18.13 ________________________________________------------------------------------ ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 976.03 TO NODE 976.03 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FMW<<<<< ............................................................................ ----__----___________________________ ...................................... ................................... 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.214 SOIL CLASSIFICATION IS "D" RURAL DEVELOPMENT RUNOFF COEFFICIENT = .4500 SUBAREA AREA(ACRES) = 63.60 SUBAREA RUNOFF(CF5) = 91.99 TC(M1N) = 18.13 - TOTAL AREA(ACRES) 90.20 TOTAL RUNOFF(CFS) = 136.02 ............................................................................ FLOW PROCESS FROM NODE 976.03 TO NODE 975.01 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< _________c------------------------------------------------------------------ >>>>>TRAVELTIME THRU SUBAREA<<<<< . UPSTREAM NODE ELEVATION = 370.00 DOWNSTREAM NODE ELEVATION = 330.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1500.00 CHANNEL BASE(FEET) = .OO "Z" FACTOR = 10.000 MA"1NGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 5.00 CHANNEL FLOW THRU SUBAREA(CFS) = 136.02 FLOW VEMCITY(FEET/SEC) = 5.18 FLOW DEPTH(FEET) = 1.62 TRAVEL TIME(M1N.) = 4.83 TC(M1N.) = 22.96 c------------------------------------------------------------------ -------_____-_________ --------- ............................................................................ FLOW PROCESS FROM NODE 975.01 TO NODE 975.01 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ ________________________________________------------------------------------ -- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.760 SOIL CLASSIFICATION IS "D" RURAL DEVELOPMENT RUNOFF COEFFICIENT = .4500 SUBAREA AREA(ACRES) = 68.50 SUBAREA RUNOFF(CFS) = 85.08 TOTAL AREA(ACRES) = 158.70 TOTAL RUNOFF(CFS) = 221.10 TC(M1N) = 22.96 ............................................................................ FLOW PROCESS FROM NODE 975.01 TO NODE 975.02 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< ............................................................................ ~ ~ ~~ ~~~~ ~~~ UPSTREAM NODE ELEVATION = 330.00 DOWNSTREAM NODE ELEVATION = 165.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 3000.00 CHANNEL BASE(FEET) = .OO "2" FACTOR = 3.000 MA"1NGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 10.00 FLOW VELOCITY(FEET/SEC) = 10.29 FLOW DEPTH(FEET) = 2.68 TRAVEL TIME(M1N.) = 4.86 TC(M1N.) = 27.82 CHANNEL FLOW THRU SUBAREA(CFS) = 221.10 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.439 SOIL CLASSIFICATION IS "D" RURAL DEVELOPMENT RUNOFF COEFFICIENT = .4500 TOTAL AREA(ACRES) = 237.10 TOTAL RUNOFF(CFS) = 307.14 TC(M1N) = 27.82 '- SUBAREA AREA(ACRES) = 78.40 SUBAREA RUNOFF(CFS) = 86.04 SOIL CLASSIFICATION IS "D" RURAL DEVELOPMENT RUNOFF COEFFICIENT = .4500 NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION WITH 10-MINUTES ADDED = 12.56(MINUTES) INITIAL SUBAREA FLOW-LENGTH(FEET) = 650.00 UPSTREAM ELEVATION = 455.00 DOWNSTREAM ELEVATION = 375.00 ELEVATION DIFFERENCE = 80.00 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.072 SUBAREA RUNOFF (CFS) = 7.15 TOTAL AREA(ACRES) = 3.90 TOTAL RUNOFF(CFS) = 7.15 ............................................................................ FLOW PROCESS FROM NODE 975.04 TO NODE 975.05 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 18.0 INCH PIPE IS 6.9 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 11.4 UPSTREAM NODE ELEVATION = 375.00 DOWNSTREAM NODE ELEVATION = 350.00 FLOWLENGTH(FEET) = 600.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 7.15 TRAVEL TIME(M1N.) = .88 TC(M1N.) = 13.44 ............................................................................ ............................................................................ ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 975.05 TO NODE 975.05 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ....................... .............................................................................. 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.898 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 8.20 SUBAREA RUNOFF(CFS) = 17.58 TOTAL AREA(ACRES) = 12.10 TOTAL RUNOFF(CFS) = 24.73 TC(M1N) = 13.44 ............................................................................ FLOW PROCESS FROM NODE 975.05 TO NODE 975.06 IS CODE = 3 ESTIMATED PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 24.73 TRAVEL TIME(M1N.) = 1.02 TC(M1N.) = 14.46 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.719 *USER SPECIFIED(SUBAREA): RURAL DEVELOPMENT RUNOFF COEFFICIENT = .5000 SUBAREA AREA(ACRES) = 21.00 SUBAREA RUNOFF(CFS) = 39.05 TOTAL AREA(ACRES) = 33.10 TOTAL RUNOFF(CFS) = 63.77 TC(M1N) = 14.46 ............................................................................ FLOW PROCESS FROM NODE 975.06 TO NODE 975.06 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< ........................................................................... - ............................................................................ ............................................................................ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 14.46 RAINFALL INTENSITY (INCH./HOUR) = 3.72 TOTAL STREAM AREA (ACRES) = 33.10 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 63.77 TO PAGE-IO 84- ............................................................................ FLOW PROCESS FROM NODE 975.07 TO NODE 975.08 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 ............................................................................ ............................................................................ INITIAL SUBAREA FLOW-LENGTH(FEET) = 550.00 UPSTREAM ELEVATION = 305.00 DOWNSTREAM ELEVATION = 265.00 ELEVATION DIFFERENCE = 40.00 URBAN SUBAREA OVERLAND TIME OF FMW(M1NUTES) = 19.370 *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) = 3.080 SUBAREA RUNOFF(CFS) = 3.39 TOTAL AREA(ACRES) = 2.00 TOTAL RUNOFF(CFS) = 3.39 - ............................................................................ FLOW PROCESS FROM NODE 975.08 TO NODE 975.09 IS CODE = 6 >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< UPSTREAM ELEVATION = 265.00 DOWNSTREAM ELEVATION = 245.00 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) = 6.02 STREET FLOWDEPTH (FEET) = .28 ............................................................................ ............................................................................ HALFSTREET FLOODWIDTH(FEET) = 7.57 AVERAGE FLOW VELOCITY(FEET/SEC.) = 4.35 PRODUCT OF DEPTH&VELOCITY = 1.21 STREETFLOW TRAVELTIME (MIN) = 1.72 TC (MIN) = 21.09 100 YEAR RAINFALL INTENSITY (INCH/HOUR) = 2.915 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 3.30 SUBAREA RUNOFF(CFS) = 5.29 SUMMED AREA(ACRES) = 5.30 TOTAL RUNOFF(CFS) = 8.68 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .31 HALFSTREET FLOODWIDTH(FEET) = 9.30 FLOW VELOCITY(FEET/SEC.) = 4.41 DEPTH*VELOCITY = 1.38 ............................................................................ FLOW PROCESS FROM NODE 975.09 TO NODE 975.10 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 18.0 INCH PIPE IS 8.2 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 11.0 UPSTREAM NODE ELEVATION = 245.00 DOWNSTREAM NODE ELEVATION = 240.00 FMWLENGTH(FEET) = 150.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 8.68 TRAVEL TIME(M1N.) = .23 TC(M1N.) = 21.32 ............................................................................ -_______________________________________----------------_----_-------------- ----___-----______---_-------_--------------_---------_----------------_---- ............................................................................ FLOW PROCESS FROM NODE 975.10 TO NODE 975.06 IS CODE = 3 ............................................................................ >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< ----___------_____--_________________ ............................................................................ ESTIMATED PIPE DIAMETERCINCH) INCREASED TO 18.000 PIPEFLOW VELOCITY(FEET/SEC.) = 15.1 DOWNSTREAM NODE ELEVATION = 185.00 FLoWLENGTH(FEET) = 700.00 MA"1NGS N = .012 DEPTH OF FLOW IN 18.0 INCH PIPE IS 6.5 INCHES - UPSTREAM NODE ELEVATION = 240.00 ESTIMATED PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 PIPEFL~W THRU SUBAREA(CFS) = 8.68 TRAVEL TIME(M1N.) = .77 TC(M1N.) = 22.09 ........................................................................... FLOW PROCESS FROM NODE 975.06 TO NODE 975.06 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ ____________---_________________________--------_--------------------------- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.829 *USER SPECIFIED(SUBAREA): RURAL DEVELOPMENT RUNOFF COEFFICIENT = .5000 SUBAREA AREA(ACRES) = 10.80 SUBAREA RUNOFF(CFS) = 15.28 TOTAL AREA(ACRES) = 16.10 TOTAL RUNOFF(CFS) = 23.96 TC(M1N) = 22.09 ............................................................................ FLOW PROCESS FROM NODE 975.06 TO NODE 975.06 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) = 22.09 RAINFALL INTENSITY (INCH./HOUR) = 2.83 TOTAL STREAM AREA (ACRES) = 16.10 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 23.96 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN. ) (INCH/HOUR) ............................................................................ ..................................... ...................................... ------------------- - ............................................................................ 1 63.77 14.46 3.719 2 23.96 22.09 2.829 RAINFALL-INTENSITY-RATIO CONFLUENCE Z'ORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 82.00 TIME (MINUTES) = 14.462 TOTAL AREA(ACRES) = 49.20 82.00 72.48 ............................................................................ FLOW PROCESS FROM NODE 975.06 TO NODE 975.02 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FMW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 185.00 DOWNSTREAM NODE ELEVATION = 170.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 530.00 CHANNEL BASE(FEET) = .OO "Z" FACTOR = 15.000 - MA"1NGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 10.00 ............................................................................ ---- ............................................................................ CHANNEL FLOW THRU SUBAREA(CFS) = 82.00 FLOW VELOCITY(FEET/SEC) = 4.41 FMW DEPTH(FEET) = 1.11 TRAVEL TIME(M1N.) = 2.00 TC(M1N.) = 16.46 ............................................................................ FLOW PROCESS FROM NODE 975.02 TO NODE 975.02 IS CODE = 1 ............................................................................ >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 16.46 RAINFALL INTENSITY (INCH./HOUR) = 3.42 TOTAL STREAM AREA (ACRES) = 49.20 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 82.00 .................................................. .................................. TO PAGE-10 85- ............................................................................ FLOW PROCESS FROM NODE 975.02 TO NODE 975.02 IS CODE = 7 ............................................................................ >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<<< USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(M1N) = 27.80 RAIN INTENSITY(INCH/HOUR) = 2.44 TOTAL AREA(ACRES) = 237.10 TOTAL RUNOFF(CFS) = 307.10 * PREVIOUSLY COMPUTED FLOW ............................................................................. ............................................................................ FLOW PROCESS FROM NODE 975.02 TO NODE 975.02 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) = 27.80 RAINFALL INTENSITY (INCH./HOUR) = 2.44 TOTAL STREAM AREA (ACRES) = 237.10 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 307.10 -- ............................................................................ CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN . ) (INCH/HOUR) ............................................................................ 1 82.00 16.46 3.420 2 307.10 27.80 2.440 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 365.59 TIME(M1NUTES) = 27.800 TOTAL AREA(ACRES) = 286.30 301.05 365.5.9 ............................................................................ FLOW PROCESS FROM NODE 975.02 TO NODE 975.11 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< - .......................................................................... >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 185.00 DOWNSTREAM NODE ELEVATION = 145.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 550.00 CHANNEL BASE(FEET) = .OO "2" FACTOR = 7.000 MA"1NGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 365.59 FLOW VELOCITY(FEET/SEC) = 10.72 FLOW DEPTH(FEET) = 2.21 TRAVEL TIME (MIN. ) = .85 TC(M1N.) = 28.65 --------------------------------------==---------------- ...................................... - ............................................................................ FLOW PROCESS FROM NODE 975.11 TO NODE 975.11 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: ............................................................................ ............................................................................ TIME OF CONCENTRATION(M1NUTES) = 28.65 RAINFALL INTENSITY (INCH./HOUR) = 2.39 TOTAL STREAM AREA (ACRES) = 286.30 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 365.59 TO PAQE-IOg? - ............................................................................ FLOW PROCESS FROM NODE 975.12 TO NODE 975.13 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 = 17.46(MINUTES) INITIAL SUBAREA FLOW-LENGTH(FEET) 1850.00 UPSTREAM ELEVATION = 370.00 DOWNSTREAM ELEVATION = 255.00 ELEVATION DIFFERENCE = 115.00 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.293 SUBAREA RUNOFF(CFS) = 61.94 TOTAL AREA(ACRES) = 41.80 TOTAL RUNOFF(CFS) = 61.94 ...................................................... * ******* FLOW PROCESS FROM NODE 975.13 TO NODE 975.11 IS CODE = 5 ............................................................................ FLOW PROCESS FROM NODE 975.11 TO NODE 975.11 IS CODE = a ............................................................................ - >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ------- --------------------------------------------------------------= 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.917 SOIL CLASSIFICATION IS "D" RURAL DEVELOPMENT RUNOFF COEFFICIENT = .4500 SUBAREA AREA (ACRES) = 37.30 SUBAREA RUNOFF (CFS) = 48.96 TOTAL AREA(ACRES) = 79.10 TOTAL RUNOFF(CFS) = 110.90 TC(M1N) = 21.07 ................................................................ FLOW PROCESS FROM NODE 975.11 TO NODE 975.11 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) = 21.07 RAINFALL INTENSITY (INCH./HOUR) = 2.92 TOTAL STREAM AREA (ACRES) = 79.10 ............................................................................ TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 110.90 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN. ) (INCH/HOUR) ............................................................................ 1 365.59 28.65 2.392 2 110.90 21.07 2.917 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 456.55 TIME(M1NUTES) = 28.655 TOTAL AREA(ACRES) = 365.40 456.55 410.74 ............................................................................ FLOW PROCESS FROM NODE 975.11 TO NODE 975.14 IS CODE = 5 ............................................................................ >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 145.00 DOWNSTREAM NODE ELEVATION = 134.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 700.00 CHANNEL BASE(FEET) = .OO I'Z" FACTOR = 10.000 MA"1NGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 456.55 FLOW VELOCITY(FEET/SEC) = 5.85 FLOW DEPTH(FEET) = 2.79 ............................................................................ . TRAVEL TIME(M1N.) = 1.99 TC(M1N.) = 30.65 ............................................................................ FLOW PROCESS FROM NODE 975.14 TO NODE 975.14 IS CODE = 8 ............................................................................ - >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< --------I-- ---- --------------- ............................................. ------------------ -------- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.291 SOIL CLASSIFICATION IS I'D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 37.39 SUBAREA RUNOFF(CFS) = 47.11 TOTAL AREA(ACRES) = 402.79 TOTAL RUNOFF(CFS) = 503.66 TC(M1N) = 30.65 ............................................................................ FLOW PROCESS FROM NODE 975.14 TO NODE 975.15 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 66.0 INCH PIPE IS 45.7 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 14.3 UPSTREAM NODE ELEVATION = 134.00 DOWNSTREAM NODE ELEVATION = 132.00 FLOWLENGTH(FEET) = 270.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 66.00 NUMBER OF PIPES = 2 PIPEFLOW THRU SUBAREA(CFS) = 503.66 TRAVEL TIME(M1N.) = .31 TC(M1N.) = 30.96 * CULVERTS ACROSS PROPOSED CALLE ACERVO ............................................................................ ___----__----____----------------------------------------------------------- ..................................... ............................................................................ FLOW PROCESS FROM NODE 975.15 TO NODE 974.01 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 132.00 DOWNSTREAM NODE ELEVATION = 130.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 230.00 CHANNEL BASE(FEET) = .OO "2" FACTOR = 20.000 MA"1NGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 503.66 FLOW VELOCITY(FEET/SEC) = 3.97 FLOW DEPTH(FEET) = 2.52 TRAVEL TIME(M1N.) = .97 TC(M1N.) = 31.93 ............................................................................ ------____--_____-______________________------------------------------------ --_--___________________________________------------------------------------ ............................................................................ FLOW PROCESS FROM NODE 974.01 TO NODE 974.01 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ---------------- ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.231 *USER SPECIFIED(SUBAREA): RURAL DEVELOPMENT RUNOFF COEFFICIENT = .5000 SUBAREA AREA(ACRES) = 15.70 SUBAREA RUNOFF(CFS) = 17.51 TC(M1N) = 31.93 - TOTAL AREA(ACRES) = 418.49 TOTAL RUNOFF(CFS) = 521.17 ............................................................................ FLOW PROCESS FROM NODE 974.01 TO NODE 974.01 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 31.93 RAINFALL INTENSITY (INCH./HOUR) = 2.23 TOTAL STREAM AREA (ACRES) = 418.49 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 521.17 ............................................................................ - _______________--___---------------- --------------________ -==----------------------L================ TO PAGE-(Oql- ............................................................................ FLOW PROCESS FROM NODE 974.02 TO NODE 974.03 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< SOIL CLASSIFICATION IS "D" ............................................................................ ............................................................................ -_____----_----------------------------------------------------------------- SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTH(FEET) = 850.00 UPSTREAM ELEVATION = 335.00 DOWNSTREAM ELEVATION = 265.00 ELEVATION DIFFERENCE = 70.00 URBAN SUBAREA OVERLAND TIME OF FLoW(M1NUTES) = 24.590 *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) = 2.641 -- SUBAREA RUNOFF (CFS) = 14.52 TOTAL AREA(ACRES) = 10.00 TOTAL RUNOFF(CFS) = 14.52 ............................................................................ FLOW PROCESS FROM NODE 974.03 TO NODE 974.04 IS CODE = 6 >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< UPSTREAM ELEVATION = 265.00 DOWNSTREAM ELEVATION = 225.00 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) = 24.21 STREET FLOWDEPTH(FEET) = .40 HALFSTREET FLOODWIDTH (FEET) = 13.93 AVERAGE FLOW VELOCITY (FEET/SEC. ) = 5.88 PRODUCT OF DEPTH&VELOCITY = 2.38 ............................................................................ ----__---______----_-------------------------------------------------------- ............................................................................ STREETFLOW TRAVELTIME(M1N) = 2.27 TC(M1N) = 26.86 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.495 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 14.10 SUBAREA RUNOFF(CFS) = 19.35 SUMMED AREA(ACRES) = 24.10 TOTAL RUNOFF(CFS) = 33.87 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .44 HALFSTREET FLOODWIDTH(FEET) = 15.66 FLOW VELOCITY(FEET/SEC.) = 6.58 DEPTH*VELOCITY = 2.89 ............................................................................ - FLOW PROCESS FROM NODE 974.04 TO NODE 974.05 IS CODE = 3 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IN 21.0 INCH PIPE IS 15.3 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 18.1 UPSTREAM NODE ELEVATION = 225.00 DOWNSTREAM NODE ELEVATION = 180.00 FLOWLENGTH(FEET) = 850.00 MA"1NGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 21.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA (CFS) = 33.87 TRAVEL TIME(M1N.) = .78 TC(M1N.) = 27.64 ............................................................................ _-___-__-_____-____________L_________ _____________________________________=== .................................... ............................................................................ FLOW PROCESS FROM NODE 974.05 TO NODE 974.05 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.449 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 18.40 SUBAREA RUNOFF(CFS) = 24.78 TOTAL AREA(ACRES) = 42.50 TOTAL RUNOFF(CFS) = 58.65 - TC(M1N) = 27.64 ............................................................................ FLOW PROCESS FROM NODE 974.05 TO NODE 974.06 IS CODE = 3 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IN 27.0 INCH PIPE IS 21.3 INCHES PIPEFLOW VELOCITY (FEET/SEC. ) = 17.5 UPSTREAM NODE ELEVATION = 180.00 DOWNSTREAM NODE ELEVATION = 140.00 FLOWLENGTH(FEET) = 1150.00 MA"1NGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 27.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 58.65 TRAVEL TIME(M1N.) = 1.10 TC(M1N.) = 28.74 ............................................................................ ___________________-----__----_--------------------------------------------- ________________________________________------------------------------------ ............................................................................ FLOW PROCESS FROM NODE 974.06 TO NODE 974.06 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ __--____________________________________---__----__----_-------------------- __--____________________________________--_-----_-----_--------------------- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.388 .- SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 30.20 SUBAREA RUNOFF(CFS) = 39.66 TOTAL'AREA(ACRE.5) = 72.70 TOTAL RUNOFF(CFS) = 98.31 TC(M1N) = 28.74 ........................................................................... FLOW PROCESS FROM NODE 974.06 TO NODE 974.07 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 54.0 INCH PIPE IS 34.8 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 9.1 UPSTREAM NODE ELEVATION = 140.00 DOWNSTREAM NODE ELEVATION = 139.28 FLOWLENGTH(FEET) = 180.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 54.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 98.31 TRAVEL TIME (MIN. ) = .33 TC(M1N.) = 29.07 * CULVERT ACROSS PROPOSED CALLE ACERVO ............................................................................ _______________------------------------------------------------------------- ________________------------------------------------------------------------ ............................................................................ FLOW PROCESS FROM NODE 974.07 TO NODE 974.01 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 139.28 DOWNSTREAM NODE ELEVATION = 130.00 CHANNEL BASE(FEET) = .OO "2" FACTOR = 26.000 MA"1NGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 98.31 TRAVEL TIME(M1N.) = .93 TC(M1N.) = 30.00 ............................................................................ -------_---_-__------------------------------------------------------------- __--____________------------------------------------------------------------ - CHANNEL LENGTH THRU SUBAREA(FEET) = 250.00 FLOW VELOCITY(FEET/SEC) = 4.49 FLOW DEPTH(FEET) = .92 ............................................................................ FLOW PROCESS FROM NODE 974.01 TO NODE 974.01 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) = 30.00 RAINFALL INTENSITY (INCH./HOUR) = 2.32 TOTAL STREAM AREA (ACRES) = 72.70 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 98.31 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER ( CFS ) (MIN. ) (INCH/HOUR) ............................................................................ 1 521.17 31.93 2.231 2 98.31 30.00 2.323 .- RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 615.61 598.94 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 615.61 TIME(M1NUTES) = 31.928 - TOTAL AREA(ACRES) = 491.19 ............................................................................ FLOW PROCESS FROM NODE 974.01 TO NODE 974.16 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< ............................................................................ >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 130.00 DOWNSTREAM NODE ELEVATION = 125.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 700.00 CHANNEL BASE(FEET) = .OO llZ1' FACTOR = 10.000 MA"1NGS FACTOR = .040 MAXIMUM DEF%"(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 615.61 FLOW VELOCITY(FEET/SEC) = 4.61 FLOW DEPTH(FEET) = 3.65 TRAVEL TIME(M1N.) = 2.53 TC(M1N.) = 34.46 ................................................................................ ............................................................................ FLOW PROCESS FROM NODE 974.16 TO NODE 974.16 IS CODE = 8 ............................................................................ >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< --______________------------------------------------------------------------ ..................................... 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.124 _- *USER SPECIFIED(SUBAREA): SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5000 SUBAREA AREA(ACRES) = 29.10 SUBAREA RUNOFF(CFS) = 30.91 TOTAL AREA(ACRES) = 520.29 TOTAL RUNOFF(CFS) = 646.52 TC(M1N) = 34.46 ............................................................................ FLOW PROCESS FROM NODE 974.16 TO NODE 974.16 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 34.46 RAINFALL INTENSITY (INCH./HOUR) = 2.12 TOTAL STREAM AREA (ACRES) = 520.29 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 646.52 ............................................................................ .............................................................................. TO PAGE-10 r. ........................................................................ 9, *** FLOW PROCESS FROM NODE 974.07 TO NODE 974.08 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< ............................................................................ SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 INITIAL SUBAREA FLOW-LENGTH(FEET) =: 700.00 UPSTREAM ELEVATION = 214.00 DOWNSTREAM ELEVATION = 200.00 - ELEVATION DIFFERENCE = 14.00 URBAN SUBAREA OVERLAND TIME OF FLoW(M1NUTES) = 22.589 *CAUTION: SUBAREA FLOWLENGTH EXCEEDS COUNTY NOMOGRAPH DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED. - 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.789 SUBAREA RUNOFF(CFS) = 12.12 TOTAL AREA(ACRES) = 7.90 TOTAL RUNOFF(CFS) = 12.12 ............................................................................ FLOW PROCESS FROM NODE 974.08 TO NODE 974.09 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< ............................................................................ DEPTH OF FLOW IN 24.0 INCH PIPE IS 13.7 INCHES PIPEFLOW VELOCITY (FEET/SEC. ) = 6.5 UPSTREAM NODE ELEVATION = 200.00 DOWNSTREAM NODE ELEVATION = 199.00 FLOWLENGTH(FEET) = 150.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 TRAVEL TIME (MIN. ) = .38 TC(M1N.) = 22.97 PIPEFMW THRU SUBAREA(CFS) = 12.12 ............................................................................ FLOW PROCESS FROM NODE 974.09 TO NODE 974.10 IS CODE = 4 ............................................................................ . >>>>>COMPUTE PIPEFMW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 24.0 INCH PIPE IS 5.1 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 25.1 UPSTREAM NODE ELEVATION = 199.00 DOWNSTREAM NODE ELEVATION = 185.50 FLOWLENGTH (FEET) = 50.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 TRAVEL TIME(M1N.) = .03 TC(M1N.) = 23.00 -______--________-__-------------------------------------------------------- PIPEFLOW THRU SUBAREA(CFS) = 12.12 ............................................................................ FLOW PROCESS FROM NODE 974.10 TO NODE 974.11 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 24.0 INCH PIPE IS 12.1 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 7.6 UPSTREAM NODE ELEVATION = 185.50 DOWNSTREAM NODE ELEVATION = 184.50 FLOWLENGTH(FEET) = 100.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 TRAVEL TIME (MIN. ) = .22 TC(M1N.) = 23.22 ............................................................................ --______________________________________------------------------------------ -----_-----______-______________________------------------------------------ PIPEFLOW THRU SUBAREA(CFS) = 12.12 ............................................................................ FLOW PROCESS FROM NODE 974.11 TO NODE 974.12 IS CODE = 4 ............................................................................ - >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 24.0 INCH PIPE IS 7.5 INCHES PIPEFLOW VELOCITY (FEET/SEC. ) = 14.5 UPSTREAM NODE ELEVATION = 184.50 DOWNSTREAM NODE ELEVATION = 173.00 FLOWLENGTH(FEET) = 200.00 MA"1NGS N = .012 ............................................................................ . GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 12.12 TRAVEL TIME (MIN. ) = .23 TC(M1N.) = 23.45 ............................................................................ FLOW PROCESS FROM NODE 974.12 TO NODE 974.13 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 24.0 INCH PIPE IS 13.7 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 6.5 UPSTREAM NODE ELEVATION = 173.00 DOWNSTREAM NODE ELEVATION = 172.00 FLOWLENGTH(FEET) = 150.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 ............................................................................ ............................................................................ PIPEFLOW THRU SUBAREA(CFS) = 12.12 - TRAVEL TIME(M1N.) = .38 TC(M1N.) = 23.84 ............................................................................ FLOW PROCESS FROM NODE 974.13 TO NODE 974.13 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ -_--_____-______---_____________________------------------------------------ ________________________________________------------------------------------ 100 YEAR RAINFALL INTENSITY (INCH/HOUR) = 2.694 SOIL CLASSIFICATION IS 'ID" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 5.10 SUBAREA RUNOFF(CFS) = 7.56 TOTAL AREA(ACRES) = 13.00 TOTAL RUNOFF(CFS) = 19.68 TC(M1N) = 23.84 ............................................................................ FLOW PROCESS FROM NODE 974.13 TO NODE 974.14 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 24.0 INCH PIPE IS 14.4 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 10.0 UPSTREAM NODE ELEVATION = 172.00 - DOWNSTREAM NODE ELEVATION = 170.50 FLOWLENGTH(FEET) = 100.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 ............................................................................ -- ............................................................................ PIPEFLOW THRU SUBAREA(CFS) = 19.68 TRAVEL TIME(M1N.) = .17 TC(M1N.) = 24.00 - ........................................................................... FLOW PROCESS FROM NODE 974.14 TO NODE 974.15 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. ) = 3 1.7 UPSTREAM NODE ELEVATION = 170.50 DOWNSTREAM NODE ELEVATION = 135.50 FLOWLENGTH(FEET) = 100.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 19.68 TRAVEL TIME (MIN. ) = .05 TC(M1N.) = 24.06 ............................................................................ __________-______----------------------------------------------------------- _________________-__-------------------------------------------------------- ............................................................................ FLOW PROCESS FROM NODE 974.15 TO NODE 974.16 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(M1NUTES) = 24.06 RAINFALL INTENSITY (INCH./HOUR) = 2.68 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 19.68 ............................................................................ -------__-----__------------------------------------------------------------ ............................................................................ - TOTAL STREAM AREA (ACRES) = 13.00 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN. ) (INCH/HOUR) ............................................................................ 1 646.52 34.46 2.124 2 19.68 24.06 2.678 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 662.12 532.44 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 662.12 TIME (MINUTES) = 34.456 TOTAL AREA(ACRES) = 533.29 * ENCINITAS CREEK .............................................................................. FLOW PROCESS FROM NODE 974.17 TO NODE 974.18 IS CODE = 2 ............................................................................ >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< SOIL CLASSIFICATION IS 'ID" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 ---_---___-_____________________________------------------------------------ ------______________---------------_---------------------------------------- - INITIAL SUBAREA FLOW-LENGTH(FEET) = 500.00 UPSTREAM ELEVATION = 170.00 DOWNSTREAM ELEVATION = 155.00 ELEVATION DIFFERENCE = 15.00 URBAN SUBAREA OVERLAND TIME OF FLOW(M1NUTES) = 18.262 *CAUTION: SUBAREA SLOPE EXCEEDS COUNTY NOMOGRAPH - DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED. 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.199 SUBAREA RUNOFF(CFS) = 6.51 TOTAL AREA(ACRES) = 3.70 TOTAL RUNOFF(CFS) = 6.51 ............................................................................ FLOW PROCESS FROM NODE 974.18 TO NODE 974.19 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 24.0 INCH PIPE IS 10.3 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 5.0 UPSTREAM NODE ELEVATION = 155.00 DOWNSTREAM NODE ELEVATION = 151.50 FLOWLENGTH(FEET) = 700.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 6.51 TRAVEL TIME(M1N.) = 2.32 TC(M1N.) = 20.58 ............................................................................ ___________------_-_-------------------------------------------------------- ____________________-------------------------------------------------------- ............................................................................ FLOW PROCESS FROM NODE 974.19 TO NODE 974.19 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< ............................................................................ ........................................................................... __------__-----_----------------------------------------------------------- - CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 20.58 RAINFALL INTENSITY (INCH./HOUR) = 2.96 TOTAL STREAM AREA (ACRES) = 3.70 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 6.51 TO PAGE-(O~~- ............................................................................ FLOW PROCESS FROM NODE 974.20 TO NODE 974.21 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 ............................................................................ ............................................................................ ________________________________________------------------------------------ INITIAL SUBAREA FLOW-LENGTH(FEET) = 700.00 UPSTREAM ELEVATION = 200.00 DOWNSTREAM ELEVATION = 182.00 ELEVATION DIFFERENCE = 18.00 URBAN SUBAREA OVERLAND TIME OF FLOW(M1NUTES) = 21.985 *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) = 2.838 - SUBAREA RUNOFF(CFS) = 8.43 TOTAL AREA(ACRES) = 5.40 TOTAL RUNOFF(CFS) = 8.43 ............................................................................ FLOW PROCESS FROM NODE 974.21 TO NODE 974.19 IS CODE = 6 >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< UPSTREAM ELEVATION = 182.00 DOWNSTREAM ELEVATION = 151.50 STREET LENGTH(FEET) = 500.00 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) = 16.44 STREET FLOWDEPTH(FEET) = .35 HALFSTREET FLOODWIDTH (FEET) = 11.04 AVERAGE FLOW VELOCITY(FEET/SEC.) = 6.15 PRODUCT OF DEPTH&VEMCITY = 2.13 ............................................................................ - ____------____---_______________________-------------------- -------_-------_--------------------------------------------~============== STREETFLOW TRAVELTIME(M1N) = 1.35 TC(M1N) = 23.34 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.731 SOIL CLASSIFICATION IS 'ID" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 10.70 SUBAREA RUNOFF(CFS) = 16.07 SUMMED AREA(ACRES) = 16.10 TOTAL RUNOFF(CFS) = 24.50 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .39 HALFSTREET FLOODWIDTH(FEET) = 13.35 FLOW VELOCITY(FEET/SEC.) = 6.44 DEPTH*VELOCITY = 2.53 ............................................................................ FMW PROCESS FROM NODE 974.19 TO NODE 974.19 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) = 23.34 RAINFALL INTENSITY (INCH./HOUR) = 2.73 TOTAL STREAM AREA (ACRES) = 16.10 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 24.50 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER ( CFS 1 (MIN. ) (INCH/HOUR) ............................................................................ 1 6.51 20.58 2.962 2 24.50 23.34 2.731 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 30.50 TIME(M1NUTES) = 23.340 TOTAL AREA(ACRES) = 19.80 29.10 30.50 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< ............................................................................ - DEPTH OF FLOW IN 30.0 INCH PIPE IS 16.3 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 11.2 UPSTREAM NODE ELEVATION = 151.50 DOWNSTREAM NODE ELEVATION = 150.00 FLOWLENGTH(FEET) = 100.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 30.00 NUMBER OF PIPES = 1 PIPEFWW THRU SUBAREA(CFS) = 30.50 TRAVEL TIME (MIN. ) = .15 TC(M1N.) = 23.49 * TO ENCINITAS CREEK ............................................................................ FLOW PROCESS FROM NODE 970.14 TO NODE 970.14 IS CODE = 7 >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<<< USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(M1N) = 5.00 RAIN INTENSITY(INCH/HOUR) = 7.38 TOTAL AREA(ACRES) = 820.00 TOTAL RUNOFF(CFS) = 680.00 * ESTABLISHED BASIN FLOW - RICK ENGINEERING, AUG 1988 ............................................................................ ............................................................................ ENCINITAS CREEK WATERSHED HEC-1 MODEL ANALYSIS HYDROLOGY REPORT ............................................................................ FLOW PROCESS FROM NODE 740.14 TO NODE 740.19 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< PIPEFLOW VELOCITY(FEET/SEC.) = 17.3 UPSTREAM NODE ELEVATION = 126.00 DOWNSTREAM NODE ELEVATION = 124.00 FLOWLENGTH(FEET) = 150.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 60.00 NUMBER OF PIPES = 2 PIPEFLOW THRU SUBAREA(CFS) = 680.00 TRAVEL TIME (MIN. ) = .14 TC(M1N.) = 5.14 * REQUIRES A HW DEPTH OF 2.5 X D - 0.X ............................................................................ ............................................................................ .............................................................................. FLOW PROCESS FROM NODE 970.26 TO NODE 970.26 IS CODE = 7 >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<<< USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(M1N) = 5.00 RAIN INTENSITY(INCH/HOUR) = 7.38 TOTAL AREA(ACRES) = 950.00 TOTAL RUNOFF(CFS) = 590.00 * ESTABLISHED BASIN FLOW - RICK ENGINEERING, AUG 1988 ............................................................................ ............................................................................ ............................................................................ ENCINITAS CREEK WATERSHED HEC-1 MODEL ANALYSIS HYDROLOGY REPORT ............................................................................ FLOW PROCESS FROM NODE 970.26 TO NODE 970.52 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< ............................................................................ - >>>>>TRAVELTIME THRU SUBAREA<<<<< ........................................................................... ........................................................................... UPSTREAM NODE ELEVATION = 105.00 DOWNSTREAM NODE ELEVATION = 104.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 50.00 CHANNEL BASE(FEET) = 18.00 "2" FACTOR = .ooo - MA"1NGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 4.00 CHANNEL FLOW THRU SUBAREA(CFS) = 590.00 FLOW VELOCITY(FEET/SEC) = 18.24 FLOW DEPTH(FEET) = 1.80 TRAVEL TIME(M1N.) = .05 TC(M1N.) = 5.05 * TO ENCINITAS CREEK ............................................................................ FLOW PROCESS FROM NODE 974.22 TO NODE 974.22 IS CODE = 7 >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<<< USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(M1N) = 5.00 RAIN INTENSITY(INCH/HOUR) = 7.38 TOTAL AREA(ACRES) = 860.00 TOTAL RUNOFF(CFS) = 1180.00 * ESTABLISHED BASIN FLOW - RICK ENGINEERING, AUG 1988 ............................................................................ ............................................................................ ENCINITAS CREEK WATERSHED HEC-1 MODEL ANALYSIS HYDROLOGY REPORT ............................................................................ 3T FLOW PROCESS FROM NODE 974.22 TO NODE 974.23 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 106.00 ............................................................................ ---------------- ----------------=====================-======== DOWNSTREAM NODE ELEVATION = 105.00 rNte7 ~NTH~L CHANNEL BASE(FEET) = 20.00 "2" FACTOR = .ooo MA"1NGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 4.00 prbPOSe&. - CHANNEL LENGTH THRU SUBAREA(FEET) = 100.00 l&?-TH HW/C = 1*5 ~ CHANNEL FLOW THRU SUBAREA(CFS) = 1180.00 AfJBZ-n=v QP= /SLX'Rcb FLOW VELOCITY (FEET/SEC) = 18.07 FLOW DEPTH(FEET) = 3.27 TRAVEL TIME(M1N.) = .09 TC(M1N.) = 5.09 MAJOR BRIDGES L9L -e- . DATE au+84 - COOPER ENGINEERING ASSOCIATES C.QLJa.9 W?A CIVIL ENOlNEERlNO PUNNING UNO SURVEYING -_ 2 OF I SHEET NO. CALCULATED BY I 836SVlckerrSlreel s SulleC. San Dlego,CalIlornla82111 c;lu-. 'EA Phone: (818) 277.0441 - COOPER ENGINEERING ASSOCIATES CALJdiY -/ID 282-L- UNO SURVEYING CIVIL ENGINEERING PUNNING -_ 2 OF L I 8389VlckeraStreel. SuIIeC. SanDiepo.Caiilornia82111 SHEETNO' Phone: (618) 277.0441 CALCULATED 8Y & DATE 6UC 85 - -EA CHECKED BY DATI USER SPECIFIED RUNOFF COEFFICIENTS Concentration 963.31 961 a 11 965.02 967.02 971.02 970.02 970.14 975.06 975.06 974.01 974.16 -- Point Soil Type D 1/2 D + 1/2 A RLM D D D D D D D D n Development Type .60 RM + .40 OS 5 .50 OS + .50 TS .30 U + .70 OS .40 OS + .60 RM .40 OS + .60 RM .40 OS + -60 RM .40 OS + .60 RM .40 OS + .60 RM .40 OS + .60 RM .40 OS + .60 RLM C Column .50 .47 .65 .60 .50 .50 .50 .50 .50 .50 * 50 DESILTATION BASIN CALCULATIONS SEDIMENTATION BASIN DR SOIL TYPE AREA - ATD 30.0 ATE 2 68.0 CBC 11.0 CSB 15.0 csc 34.0 CSD 12.0 CBE 39.0 HYC 2 60.0 GRAV SAND F.S. SILT CLAY Pcgc en' r4 4 f. 5.0 5.0 18.0 36.0 36.0 5.0 5.0 18.0 36.0 36.0 25.0 44.0 25.0 3.0 3.0 - 38.0 40.0 7.0 7.0 - 38.0 48.0 7.0 7.0 - 30.0 48.0 7.0 7.0 25.0 44.0 25.0 3.0 3.0 5.0 12.0 29.0 27.0 27.0 _.____._I__ __ . __ LED2 72.0 - 30.0 50.0 10.0 10.0 STG 35.0 TEF 60.0 - - - - - - - - - - - - f?f?c:n (/IC) TOTAL 436.00 20.40 78.00 112.82 64.45 64.45 GRAV SAND F.S. SILT C &Q- (4C) 1.50 1.50 5.40 10.00 1 3.40 3.40 12.24 24.48 2 2.75 2.75 2.75 0.33 - 5-70 7.20 1.05 - 12.92 16.32 2.38 - 4.56 5.76 0.84 9.75 17.16 9.75 1.17 3.00 7.20 17.40 16.20 I - 21.60 36.00 7.20 - - - - - - - PWCC4T.9 C t j.00 23.1 33.10 18.90 18.5 SEDIMENTATION BASIN DR @ CONC. PT. 963.31 SOIL TYPE GRAVEL SAND F . SAND % 6.00 23.10 33.10 Avg Dens spec. q. d vs P 5.7 R P 5.14 K 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 110.00 pcf 1.75 0.02 m 0.00096 fps 50.00 0.22 2.72% 6765.00 ft 0.30 0.9248 0.50 0.90 4.57 ton/ac-yr 283.83 ac 0.05 0.90 0.457 ton/ac-yr 155.40 ac 923.6 cy Tc 35.37 min P6-2 1.20 7’ I2 0.893 in/hr C 0.538 42 211.07 cfs Vol water 16,435.20 cy (5’ Depth) Vol total 17,359.00 cy 110-avg .30 in/hr Q10-avg 71.00 cfs ---______ P6-10 1.80 P 8.15 Sur Area 88.750.00 sf ---------- SILT CLAY 18.90 18.90