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; Appendix J - Calcs - Encinas Creek Basin; Storm Water; 1991-03-01
MASTER PLAN OF DRAINAGE FOR NIASTER PLAN OF DRAINAGE FOR THE CITY OF CARLSBAD CALCULATIONS ENCINAS CREEK BASIN . . INDEX ENCINAS CREEK BASIN Psovosed Line Line CA .......................................................... 619 CB .......................................................... 584 CC .......................................................... 581 CD .......................................................... 575 CDA ......................................................... 577 CE .......................................................... 579 CF .......................................................... 566 CH .......................................................... 561 CI .......................................................... 549 CJ .......................................................... 541 CK .......................................................... 517 CL .......................................................... 5g6 CM .......................................................... 503 CN .......................................................... 571 co .......................................................... 572 C .......................................................... 589 MAJOR CHANNEL CALCULATIONS .................................. 624 USER SPECIFIED RUNOFF COEFFICIENTS .......................... 633 .............................................................................. 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 * * ENC1.RES * .......................................................................... * ENCINAS CREEK BASIN (BASIN "C") - UPPER REACH * FILE NAME: ENC1.DAT TIME/DATE OF STUDY: 11:52 3/26/1990 ............................................................................ USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: ............................................................................ 1985 SAN DIEGO MANUAL CRITERIA USER SPECIFIED STORM EVENT(YEAR) = 100.00 6-HOUR DURATION PRECIPITATION (INCHES) = 2.600 - SPECIFIED MINIMUM PIPE SIZE(1NCH) = 18.00 SPECIFIED PERCENT OF GRADIENTS(DEC1MAL) TO USE FOR FRICTION SLOPE = .95 SAN DIEGO HYDROLOGY MANUAL "C"-VALUES USED ............................................................................ FLOW PROCESS FROM NODE 780.01 TO NODE 780.01 IS CODE = 7 >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<<< USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(M1N) = 6.70 RAIN INTENSITY(INCH/HOUR) = 5.67 TOTAL AREA (ACRES) = 2.40 TOTAL RUNOFF(CFS) = 11.60 C = .85 L(FT) = 700 s = 5.7% ............................................................................ ............................................................................ ............................................................................ .. TC = 1.811.1 - C)IL)"1/2 [ s ( 100) ] 1/3 STREE'II LENGTH(FEET) = 850.00 CURB HEIGTH(1NCHES) = 6. STREET HALFWIDTH(FEET) = 20.00 STREET CROSSFALL(DEC1MAL) = .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 30.59 STREET FLOWDEPTH(FEET) = .43 HALFSTREET FLOODWIDTH (FEET) = 15.09 AVERAGE FLOW VELOCITY (FEET/SEC. ) = 6.39 PRODUCT OF DEPTH&VELOCITY = 2.73 - STREETFLOW TRAVELTIME(M1N) = 2.22 TC(M1N) = 8.92 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.717 SOIL CLASSIFICATION IS aD" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8500 SUBAREA AREA(ACRES) = 9.50 SUBAREA RUNOFF(CFS) = 38.09 SUMMED AREA(ACRES) = 11.90 TOTAL RUNOFF(CFS) = 49.69 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .50 HALFSTREET FLOODWIDTH(FEET) = 18.55 FLOW VELOCITY (FEET/SEC. ) = 6.98 DEPTH*VELOCITY = 3.47 ............................................................................ FLOW PROCESS FROM NODE 780.02 TO NODE 780.03 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 340.00 DOWNSTREAM NODE ELEVATION = 285.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1450.00 MA"1NGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 3.00 CHANNEL FLOW THRU SUBAREA(CFS) = 49.69 FLOW VELOCITY(FEET/SEC) = 4.29 FLOW DEPTH(FEET) = .88 TRAVEL TIME(M1N.) = 5.64 TC(M1N.) = 14.55 ............................................................................ -------------------------------------------------------~==------------------ ....................................................... ------------------ - CHANNEL BASE(FEET) = .OO "Z" FACTOR = 15.000 ............................................................................ FLOW PROCESS FROM NODE 780.02 TO NODE 780.03 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.439 SOIL CLASSIFICATION IS "D" RURAL DEVELOPMENT RUNOFF COEFFICIENT = .4500 SUBAREA AREA(ACRES) = 32.11 SUBAREA RUNOFF(CFS) = 49.69 TOTAL AREA(ACRES) = 44.01 TOTAL RUNOFF(CFS) = 99.38 TC(M1N) = 14.55 - PIPEFLOW VELOCITY (FEET/SEC.) = 14.1 UPSTREAM NODE ELEVATION = 282.00 DOWNSTREAM NODE ELEVATION = 280.50 FLOWLENGTH(FEET) = 150.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 36.00 NUMBER OF PIPES = 1 TRAVEL TIME (MIN. ) = .18 TC(M1N.) = 14.73 - PIPEFLOW THRU SUBAREA(CFS) = 99.38 ............................................................................ FMW PROCESS FROM NODE 780.04 TO NODE 780.05 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBqREA<<<<< UPSTREAM NODE ELEVATION = 280.00 DOWNSTREAM NODE ELEVATION = 270.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 600.00 CHANNEL BASE(FEET) = 3.50 "Z" FACTOR = 2.000 MA"1NGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 3.00 CHANNEL FLOW THRU SUBAREA(CFS) = 99.38 FLOW VELOCITY(FEET/SEC) = 11.90 FLOW DEPTH(FEET) = 1.35 TRAVEL TIME (MIN. ) = .84 TC(M1N.) = 15.57 ............................................................................ ............................. _________---_________________F======I============================================== ............................................................................ FLOW PROCESS FROM NODE 780.05 TO NODE 780.40 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< - UPSTREAM NODE ELEVATION = 270.00 ............................................................................ ............................................................................ --------____--------____________________------------------------------------ DOWNSTREAM NODE ELEVATION = 258.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 550.00 CHANNEL BASE(FEET) = .OO 'IZ" FACTOR = 30.000 MA"1NGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 3.00 CHANNEL FLOW THRU SUBAREA(CFS) = 99.38 TRAVEL TIME(M1N.) = 2.62 TC(M1N.) = 18.19 FLOW VELOCITY(FEET/SEC) = 3.50 FLOW DEPTH(FEET) = .97 ............................................................................ FMW PROCESS FROM NODE 780.04 TO NODE 780.40 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ________________________________________------------------------------------ ---_____________________________________------------------------------------ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.978 *USER SPECIFIED(SUBAREA): COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .6500 SUBAREA AREA(ACRES) = 17.71 SUBAREA RUNOFF(CFS) = 34.28 TOTAL AREA(ACRES) = 61.72 TOTAL RUNOFF(CFS) = 133.66 TC(M1N) = 18.19 LINE "CM" ............................................................................ FLOW PROCESS FROM NODE 780.50 TO NODE 780.26 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< ............................................................................ ---_____________________________________------------------------------------ --______________________________________------------------------------------ SOIL C.LASSIFICATION IS “D“ INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 INITIAL SUBAREA FLOW-LENGTH(FEET) = 780.00 UPSTREAM ELEVATION = 322.00 - DOWNSTREAM ELEVATION = 317.00 ELEVATION DIFFERENCE = 5.00 URBAN SUBAREA OVERLAND TIME OF FLOW(M1NUTES) = 9.070 *CAUTION: SUBAREA FLOWLENGTH EXCEEDS COUNTY NOMOGRAPH DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED. 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.665 SUBAREA RUNOFF(CFS) = 28.76 TOTAL AREA (ACRES) = 6.49 TOTAL RUNOFF(CFS) = 28.76 ............................................................................ FLOW PROCESS FROM NODE 780.26 TO NODE 780.27 IS CODE = 6 >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< UPSTREAM ELEVATION = 317.00 DOWNSTREAM ELEVATION = 300.00 STREET LENGTH(FEET) = 750.00 CURB HEIGTH(1NCHES) = 6. STREET HALFWIDTH(FEET) = 20.00 STREET CRoSSFALL(DEC1MAL) = .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 ............................................................................ ---_____________________________________------------------------------------ ________________________________________-----_--_--------------__----------- ,- **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 44.59 NOTE: STREETFLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREETFLOW RESULTS ARE BASED ON THE ASSUMPTION THAT NEGLIBLE FLOW OCCURS OUTSIDE OF THE STREET CHANNEL. THAT IS, ALL FLOW ALONG THE PARKWAY, ETC., IS NEGLECTED. STREET FLQWDEPTH(FEET) = .54 HALFSTREET FLOODWIDTH(FEET) = 20.00 AVERAGE FLOW VELOCITY(FEET/SEC.) = 5.17 PRODUCT OF DEPTH&VELOCITY = 2.77 ***STREET FLOWING FULL*** STREETFLOW TRAVELTIME(M1N) = 2.42 TC(M1N) = 11.49 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.006 SOIL CLASSIFICATION IS ‘ID” INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 SUBAREA AREA(ACRES) = 8.26 SUBAREA RUNOFF(CFS) = 31.43 SUMMED AREA(ACRES) = 14.75 TOTAL RUNOFF(CFS) = 60.20 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .58 HALFSTREET FLOODWIDTH(FEET) = 20.00 FLOW VELOCITY(FEET/SEC.) = 5.91 DEPTH*VELOCITY = 3.40 ............................................................................ FLOW PROCESS FROM NODE 780.27 TO NODE 780.28 IS CODE = 3 InCMII ............................................................................ >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IN 30.0 INCH PIPE IS 21.4 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 16.1 UPSTREAM NODE ELEVATION = 300.00 DOWNSTREAM NODE ELEVATION = 290.00 FLOWLENGTH(FEET) = 380.00 MANNINGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 30.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 60.20 TRAVEL TIME(M1N.) = .39 TC(M1N.) = 11.88 r-*************************************************************************** FLOW PROCESS FROM NODE 780.27 TO NODE 780.28 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ _________------------------------------------------------------------------- ------________________ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.920 SOIL CLASSIFICATION IS "D" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 SUBAREA AREA(ACRES) = 15.82 SUBAREA RUNOFF(CFS) = 58.91 TOTAL AREA(ACRES) = 30.57 TOTAL RUNOFF(CFS) = 119.10 TC(M1N) = 11.88 ............................................................................ FLOW PROCESS FROM NODE 780.28 TO NODE 780.60 IS CODE = 3 IICMII ............................................................................ >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IN 42.0 INCH PIPE IS 29.7 INCHES PIPEFLOW VELOCITY (FEET/SEC. ) = 16.3 UPSTREAM NODE ELEVATION = 290.00 DOWNSTREAM NODE ELEVATION = 270.00 FLOWLENGTH(FEET) = 1150.00 MA"1NGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 42.00 NUMBER OF PIPES = 1 TRAVEL TIME(M1N.) = 1.17 TC(M1N.) = 13.05 ________________________________________------------------------------------ ............................................................................ - PIPEFLOW THRU SUBAREA(CFS) = 119.10 ............................................................................ FLOW PROCESS FROM NODE 780.28 TO NODE 780.60 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.689 SOIL CLASSIFICATION IS "D" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 SUBAREA AREA(ACRES) = 8.14 SUBAREA RUNOFF(CFS) = 28.52 TOTAL AREA(ACRES) = 38.71 TOTAL RUNOFF(CFS) = 147.63 TC(M1N) = 13.05 ............................................................................ FLOW PROCESS FROM NODE 780.60 TO NODE 780.60 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 13.05 RAINFALL INTENSITY (INCH./HOUR) = 3.69 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 147.63 ............................................................................ --------- ............................................................................ - TOTAL STREAM AREA (ACRES) = 38.71 TO PAGE -503- ............................................................................ FLOW PROCESS FROM NODE 780.70 TO NODE 780.29 IS CODE = 2 ............................................................................ - >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< ........................................................................... SOIL CLASSIFICATION IS I'D" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 INITIAL SUBAREA FLOW-LENGTH(FEET) = 600.00 UPSTREAM ELEVATION = 723.00 DOWNSTREAM ELEVATION = 715.00 ~~ ~~- ELEVATION DIFFERENCE = 8.00 URBAN SUBAREA OVERLAND TIME OF FLOW(M1NUTES) = 6.366 *CAUTION: SUBAREA FLOWLENGTH EXCEEDS COUNTY NOMOGRAPH DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED. 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 5.862 SUBAREA RUNOFF(CFS) = 38.04 TOTAL AREA(ACRES) = 6.83 TOTAL RUNOFF(CFS) = 38.04 ............................................................................ FLOW PROCESS FROM NODE 780.29 TO NODE 780.31 IS CODE = 3 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IN 24.0 INCH PIPE IS 15.0 INCHES PIPEFLOW VELOCITY (FEET/SEC. ) = 18.3 UPSTREAM NODE ELEVATION = 315.00 - DOWNSTREAM NODE ELEVATION = 283.00 FLOWLENGTH(FEET) = 650.00 MANNINGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 38.04 TRAVEL TIME (MIN. ) = .59 TC(M1N.) = 6.96 ............................................................................ ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 780.29 TO NODE 780.31 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ........................ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 5.536 SOIL CLASSIFICATION IS "D" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 SUBAREA AREA(ACRES) = 10.81 SUBAREA RUNOFF(CFS) = 56.85 TOTAL AREA(ACRES) = 17.64 TOTAL RUNOFF(CFS) = 94.89 TC(M1N) = 6.96 UPSTREAM NODE ELEVATION = 283.00 DOWNSTREAM NODE ELEVATION = 270.00 FLOWLENGTH(FEET) = 750.00 MA"1NGS N = .012 PIPEFLOW THRU SUBAREA(CFS) = 94.89 TRAVEL TIME(M1N.) = .81 TC(M1N.) = 7.77 - ESTIMATED PIPE DIAMETER(1NCH) = 39.00 NUMBER OF PIPES = 1 ............................................................................ FLOW PROCESS FROM NODE 780.31 TO NODE 780.60 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ ________________________________________------------------------------------ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 5.157 SOIL CLASSIFICATION IS "D" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 SUBAREA AREA(ACRES) = 9.81 SUBAREA RUNOFF(CFS) = 48.06 TOTAL AREA(ACRES) = 27.45 TOTAL RUNOFF(CFS) = 142.95 TC(M1N) = 7.77 ............................................................................ FLOW PROCESS FROM NODE 780.60 TO NODE 780.60 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) = 7.77 TOTAL STREAM AREA (ACRES) = 27.45 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 142.95 - RAINFALL INTENSITY (INCH./HOUR) = 5.16 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER ( CFS 1 (MIN.) (INCH/HOUR) --------------------_________________I__------------------------------------ 1 147.63 13.05 3.689 2 142.95 7.77 5.157 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 249.88 248.54 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 249.88 TIME (MINUTES) = 13.055 TOTAL AREA(ACRES) = 66.16 ............................................................................ FLOW PROCESS FROM NODE 780.60 TO NODE 780.06 IS CODE = 3 IIrnII ............................................................................ >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< ........................... .............................................................................. - DEPTH OF FLOW IN 51.0 INCH PIPE IS 41.4 INCHES PIPEFLOW VELoCITY(FEET/SEC.) = 20.3 UPSTREAM NODE ELEVATION = 270.00 DOWNSTREAM NODE ELEVATION = 267.00 FLOWLENGTH(FEET) = 150.00 MA"1NGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 51.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 249.88 ~ TRAVEL TIME(M1N.) = .12 TC(M1N.) = 13.18 ............................................................................ FLOW PROCESS FROM NODE 780.06 TO NODE 780.40 XS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL PLOW<<<<< ............................................................................ >>>>>TRAVELTIME THRU SUBAREA<<<<< ===E===== s========= ===e ========= =================== ,====sM.E ============ UPSTREAM NODE ELEVATION = 265.00 DOWNSTREAM NODE ELEVATION = 258.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 250.00 CHANNEL BASE (FEET) = .OO "Z" FACTOR = 30.000 MA"1NGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 3.00 CHANNEL FLOW THRU SUBAREA(CFS) = 249.88 FLOW VELoCITY(FEET/SEC) = 4.75 FLOW DEPTH(FEET) = 1.32 TRAVEL TIME(M1N.) = .88 TC(M1N.) = 14.06 ............................................................................ FLOW PROCESS FROM NODE 780.40 TO NODE 780.40 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: RAINFALL INTENSITY (INCH./HOUR) = 3.52 TOTAL STREAM AREA (ACRES) = 66.16 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 249.88 ............................................................................ -___________________-------~------------------------------------------------ ............................................................................ -- TIME OF CONCENTRATION(M1NUTES) = 14.06 ............................................................................ FLOW PROCESS FROM NODE 780.40 TO NODE 780.40 IS CODE = 7 >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<<< USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(M1N) = 18.20 RAIN INTENSITY(INCH/HOUR) = 2.98 TOTAL AREA(ACRES) = 61.70 TOTAL RUNOFF(CFS) = 133.70 * PREVIOUSLY COMPUTED FLOW ............................................................................ ............................................................................ ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 780.40 TO NODE 780.40 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< ............................................................................ ............................................................................ ............................................................................ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(M1NUTES) = 18.20 RAINFALL INTENSITY (INCH./HOUR) = 2.98 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 133.70 - TOTAL STREAM AREA (ACRES) = 61.70 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN. ) (INCH/HOUR) ............................................................................ - 1 249.88 14.06 3.517 2 133.70 18.20 2.977 RAINFALL-INTENSITY-RATIO CONFLUENCE FORKULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 363.05 TIME (MINUTES) = 14.055 TOTAL AREA(ACRES) = 127.86 363.05 345.21 ............................................................................ FLOW PROCESS FROM NODE 780.40 TO NODE 780.90 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 258.00 DOWNSTREAM NODE ELEVATION = 245.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 550.00 CHANNEL BASE(FEET) = .OO "Z" FACTOR = 25.000 MA"1NGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 5.00 CHANNEL FLOW THRU SUBAREA(CFS) = 363.05 FLOW VELOCITY (FEET/SEC) = 5.03 FLOW DEPTH(FEET) = 1.70 TRAVEL TIME(M1N.) = 1.82 TC(M1N.) = 15.88 ............................................................................ ________________________________________----------------- ___________________--------------------------------------&?Bk =========== - ............................................................................ FLOW PROCESS FROM NODE 780.40 TO NODE 780.90 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ________________________________________----------------_------------------- ____________________----------------_--------------------------------------- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.251 SOIL CLASSIFICATION IS "D" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 SUBAREA AREA(ACRES) = 15.77 SUBAREA RUNOFF(CFS) = 48.71 TOTAL AREA(ACRES) = 143.63 TOTAL RUNOFF(CFS) = 411.76 TC(M1N) = 15.88 ............................................................................ FLOW PROCESS FROM NODE 780.90 TO NODE 780.32 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< - UPSTREAM NODE ELEVATION = 245.00 DOWNSTREAM NODE ELEVATION = 230.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 800.00 CHANNEL BASE(FEET) = .OO "Z" FACTOR = 10.000 - MA"1NGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 5.00 CHANNEL FLOW THRU SUBAREA(CFS) = 411.76 FLOW VELOCITY (FEET/SEC) = 6.10 FLOW DEF'TH(FEET) = 2.60 ............................................................................ ===========e======= == ................................. 6mk =============== TRAVEL TIME(M1N.) = 2.19 TC(M1N.) = 18.06 -- ........................................................................... FMW PROCESS FROM NODE 780.90 TO NODE 780.32 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ....................................................... ..................... 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.992 SOIL CLASSIFICATION IS "D" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 SUBAREA AREA(ACRES) = 32.68 SUBAREA RUNOFF(CFS) = 92.88 TOTAL AREA(ACRES) = 176.31 TOTAL RUNOFF(CFS) = 504.64 TC(M1N) = 18.06 ............................................................................ FLOW PROCESS FROM NODE 780.32 TO NODE 780.32 IS CODE = 1 ............................................................................ >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< ............................................................................ ------- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 18.06 RAINFALL INTENSITY (INCH./HOUR) = 2.99 TOTAL STREAM AREA (ACRES) = 176.31 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 504.64 ............................................................................ FLOW PROCESS FROM NODE 780.33 TO NODE 780.34 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< SOIL CLASSIFICATION IS "D" ............................................................................ ________________________________________------------------------------------ ............................................................................ INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 INITIAL SUBAREA FMW-LENGTH(FEET) = 600.00 UPSTREAM ELEVATION = 305.00 DOWNSTREAM ELEVATION = 300.00 ELEVATION DIFFERENCE = 5.00 URBAN SUBAREA OVERLAND TIME OF FLoW(M1NUTES) = 7.241 *CAUTION: SUBAREA FMWLENGTH EXCEEDS COUNTY NOMOGRAPH DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED. 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 5.395 SUBAREA RUNOFF(CFS) = 25.16 TOTAL AREA(ACRES) = 4.91 TOTAL RUNOFF(CFS) = 25.16 ............................................................................ FLOW PROCESS FROM NODE 780.34 TO NODE 780.35 IS CODE = 6 >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< UPSTREAM ELEVATION = 300.00 DOWNSTREAM ELEVATION = 265.00 STREET HALFWIDTH(FEET) = 20.00 STREET CROSSFALL(DEC1MAL) = .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 31.74 ............................................................................ -----__----_____________________________------------------------------------ ............................................................................ - STREET LENGTH(FEET) = 450.00 CURB HEIGTH(1NCHES) = 6. , STREET FLOWDEPTH(FEET) = .40 HALFSTREET FLOODWIDTH (FEET) = 13.93 AVERAGE FLOW VELOCITY(FEET/SEC.) = 7.71 PRODUCT OF DEPTH&VELOCITY = 3.12 - STREETFLOW TRAVELTIME (MIN) = .97 TC(M1N) = 8.21 100 YEAR RAINFALL INTENSITY (INCH/HOUR) = 4.974 SOIL CLASSIFICATION IS "D" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 SUBAREA AREA(ACRES) = 2.78 SUBAREA RUNOFF(CFS) = 13-.14 SUMMED AREA(ACRES) = 7.69 TOTAL RUNOFF(CFS) = 38.30 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH (FEET) = .43 HALFSTREET FLOODWIDTH (FEET) = 15.09 FLOW VELOCITY(FEET/SEC.) = 8.00 DEPTH*VELOCITY = 3.42 ............................................................................ FLOW PROCESS FROM NODE 780.35 TO NODE 780.36 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< PIPEFLOW VELOCITY(FEET/SEC.) = 21.7 UPSTREAM NODE ELEVATION = 265.00 DOWNSTREAM NODE ELEVATION = 250.00 FLOWLENGTH(FEET) = 500.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 38.30 TRAVEL TIME (MIN. ) = .38 TC(M1N.) = 8.60 ............................................................................ ............................................................................ -. ............................................................................ FLOW PROCESS FROM NODE 780.35 TO NODE 780.36 IS CODE = 8 ............................................................................ >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< -________________-__-------------------------------------------------------- ...................................... 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.829 SOIL CLASSIFICATION IS "D" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 SUBAREA AREA(ACRES) = 5.07 SUBAREA RUNOFF(CFS) = 23.26 TOTAL AREA(ACRES) = 12.76 TOTAL RUNOFF(CFS) = 61.56 TC(M1N) = 8.60 ............................................................................ FLOW PROCESS FROM NODE 780.36 TO NODE 780.32 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< PIPEFLOW VELOCITY(FEET/SEC.) = 19.6 UPSTREAM NODE ELEVATION = 250.00 DOWNSTREAM NODE ELEVATION = 240.00 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 61.56 TRAVEL TIME(M1N.) = .21 TC(M1N.) = 8.81 ............................................................................ ................................................ ................................................................................. ' FLOWLENGTH(FEET) = 250.00 MANNINGS N = .012 ............................................................................ -' FLOW PROCESS FROM NODE 780.32 TO NODE 780.32 IS CODE = 1 ........................................................................... >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< ---------3==---------------------------------------------------------------- --------- ________________________________________------------------------ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(M1NUTES) = 8.81 RAINFALL INTENSITY (INCH./HOUR) = 4.75 TOTAL STREAM AREA (ACRES) = 12.76 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 61.56 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN. ) (INCH/HOUR) ............................................................................ 1 504.64 18.06 2.992 2 61.56 8.81 4.753 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 543.38 379.16 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 543.38 TIME(M1NUTES) = 18.063 TOTAL AREA(ACRES) = 189.07 ............................................................................ FLOW PROCESS FROM NODE 780.32 TO NODE 780.11 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.873 SOIL CLASSIFICATION IS "D" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 SUBAREA AREA(ACRES) = 3.47 SUBAREA RUNOFF( CFS) = 9.47 ,- TOTAL AREA(ACRES) = 192.54 TOTAL RUNOFF(CFS) = 552.85 TC(M1N) = 19.23 ............................................................................ FLOW PROCESS FROM NODE 780.11 TO NODE 780.14 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 225.00 DOWNSTREAM NODE ELEVATION = 224.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 100.00 MA"1NGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 6.00 CHANNEL FLOW THRU SUBAREA(CFS) = 552.85 FLOW VELOCITY(FEET/SEC) = 15.63 FLOW DEFTH(FEET) = 5.89 TRAVEL TIME (MIN. ) = .ll TC(M1N.) = 19.34 ............................................................................ - ---------_______________________________------------__---------------------- ________________________________________--_--------------------------------- L CHANNEL BASE(FEET) = 6.00 "2" FACTOR = .ooo ............................................................................ FLOW PROCESS FROM NODE 780.14 TO NODE 780.14 IS CODE = 1 ............................................................................ . >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< ___________________--------------------------------------------------------- ----_--_--_--__-__-_-------------------------------------------------------- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 19.34 RAINFALL INTENSITY (INCH./HOUR) = 2.86 TOTAL STREAM AREA (ACRES) = 192.54 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 552.85 TO PAGE -5 14- ............................................................................. FLOW PROCESS FROM NODE 780.12 TO NODE 780.12 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< ............................................................................ SOIL CLASSIFICATION IS 'ID" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 INITIAL SUBAREA FLOW-LENGTH(FEET) = 500.00 UPSTREAM ELEVATION = 300.00 DOWNSTREAM ELEVATION = 295.00 ELEVATION DIFFERENCE = 5.00 URBAN SUBAREA OVERLAND TIME OF FLOW(M1NUTES) = 6.220 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 5.950 SUBAREA RUNOFF(CFS) = 41.49 TOTAL AREA(ACRES) = 7.34 TOTAL RUNOFF(CFS) = 41.49 ............................................................................ FLOW PROCESS FROM NODE 780.12 TO NODE 780.13 IS CODE = 6 >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< UPSTREAM ELEVATION = 295.00 DOWNSTREAM ELEVATION = 250.00 STREET LENGTH(FEET) = 650.00 CURB HEIGTH(1NCHES) = 6. STREET HALFWIDTH(FEET) = 20.00 STREET CROSSFALL(DEC1MAL) = .0200 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 76.95 ............................................................................ ------_____________-____________________------------------------------------ ----_______________-____________________----------------_------------------- - SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 ***STREET FLOWING FULL*** , NOTE: STREETFLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREETFLOW RESULTS ARE BASED ON THE ASSUMPTION THAT NEGLIBLE FLOW OCCURS OUTSIDE OF THE STREET CHANNEL. THAT IS, ALL FLOW ALONG THE PARKWAY, ETC., IS NEGLECTED. STREET FLOWDEPTH (FEET) = .54 HALFSTREET FLOODWIDTH(FEET) = 20.00 AVERAGE FLOW VELOCITY (FEET/SEC. ) = 8.92 PRODUCT OF DEPTH&VELOCITY = 4.78 STREETFLOW TRAVELTIME(M1N) 5 1.21 TC(M1N) = 7.43 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 5.304 SOIL CLASSIFICATION IS "D" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 SUBAREA AREA(ACRES) = 14.00 SUBAREA RUNOFF(CFS) = 70.54 SUMMED AREA(ACRES) = 21.34 TOTAL RUNOFF(CFS) = 112.03 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .58 HALFSTREET FLOODWIDTH(FEET) = 20.00 FLOW VELoCITY(FEET/SEC.) = 10.99 DEPTH*VELOCITY = 6.32 ............................................................................ FLOW PROCESS FROM NODE 780.13 TO NODE 780.14 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< PIPEFLOW VELOCITY(FEET/SEC.) = 22.8 UPSTREAM NODE ELEVATION = 250.00 DOWNSTREAM NODE ELEVATION = 225.00 GIVEN PIPE DIAMETER(1NCH) = 30.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 112.03 TRAVEL TIME(M1N.) = .33 TC(M1N.) = 7.76 ............................................................................ ............................................................................ ............................................................................ - FLOWLENGTH(FEET) = 450.00 MA"1NGS N = .012 ............................................................................ FLOW PROCESS FROM NODE 780.13 TO NODE 780.14 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 5.158 SOIL CLASSIFICATION IS "D" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 SUBAREA AREA(ACRES) = 6.00 SUBAREA RUNOFF(CFS) = 29.40 TOTAL AREA(ACRES) = 27.34 TOTAL RUNOFF(CFS) = 141.43 TC(M1N) = 7.76 ............................................................................ FLOW PROCESS FROM NODE 780.14 TO NODE 780.14 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) = 7.76 RAINFALL INTENSITY (INCH./HOUR) = 5.16 TOTAL STREAM AREA (ACRES) = 27.34 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 141.43 - CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER ( CFS 1 (MIN. ) (INCH/HOUR) ............................................................................ 1 552.85 19.34 2.863 2 141.43 7.76 5.158 RAINFALL-INTENSITY-RATIO CONFLUENCE FORKULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 631.35 448.30 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 631.35 TIME(M1NUTES) = 19.339 TOTAL AREA(ACRES) = 219.88 ............................................................................ FLOW PROCESS FROM NODE 780.14 TO NODE 780.37 IS CODE = 5 ............................................................................ >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 224.00 DOWNSTREAM NODE ELEVATION = 221.30 CHANNEL LENGTH THRU SUBAREA(FEET) = 200.00 CHANNEL BASE(FEET) = 5.00 "Z" FACTOR = 2.000 MA"1NGS FACTOR = .035 MAXIMUM DEPTH(FEET) = 10.00 FLOW VELoCITY(FEET/SEC) = 9.31 FLOW DEPTH(FEET) = 4.71 TRAVEL TIME(M1N.) = .36 TC(M1N.) = 19.70 ....................................................... .................................................................................... - CHANNEL FLOW THRU SUBAREA(CFS) = 631.35 ............................................................................ FLOW PROCESS FROM NODE 780.14 TO NODE 780.37 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ---_____----____________________________------------------------------------ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.829 SOIL CLASSIFICATION IS 'ID" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 SUBAREA AREA(ACRES) = 11.51 SUBAREA RUNOFF(CFS) = 30.94 TOTAL AREA(ACRES) = 231.39 TOTAL RUNOFF(CFS) = 662.29 TC(M1N) = 19.70 - 3-1s- MANNINGS FACTOR = .035 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 662.29 FLOW VELOCITY(FEET/SEC) = 9.50 FLOW DEPTH(FEET) = 4.79 TRAVEL TIME (MIN. ) = .61 TC(M1N.) = 20.31 ............................................................................ FLOW PROCESS FROM NODE 780.37 TO NODE 780.15 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ ______--____________-------------------------------------------------------- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.774 SOIL CLASSIFICATION IS "D" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 SUBAREA AREA(ACRES) = 10.59 SUBAREA RUNOFF(CFS) = 27.90 TOTAL AREA(ACRES) = 241.98 TOTAL RUNOFF(CFS) = 690.19 TC(M1N) = 20.31 ............................................................................ FLOW PROCESS FROM NODE 780.15 TO NODE 780.16 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 216.67 DOWNSTREAM NODE ELEVATION = 205.20 CHANNEL LENGTH THRU SUBAREA(FEET) = 850.00 CHANNEL BASE(FEET) = 5.00 "Z" FACTOR = 2.000 -- MANNINGS FACTOR = .035 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 690.19 FLOW VELOCITY(FEET/SEC) = 9.51 FLOW DEPTH(FEET) = 4.90 TRAVEL TIME(M1N.) = 1.49 TC(M1N.) = 21.80 ............................................................................ ----- ...................................... -------------- ----------------==______________________---------------- ............................................................................ FLOW PROCESS FROM NODE 780.15 TO NODE 780.16 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.650 SOIL CLASSIFICATION IS "D" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 SUBAREA AREA(ACRES) = 13.43 SUBAREA RUNOFF(CFS) = 33.81 TOTAL AREA(ACRES) = 255.41 TOTAL RUNOFF(CFS) = 724.00 TC(M1N) = 21.80 ............................................................................ FLOW PROCESS FROM NODE 780.16 TO NODE 780.16 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< ............................................................................ ............................................................................ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: RAINFALL INTENSITY (INCH./HOUR) = 2.65 TOTAL STREAM AREA (ACRES) = 255.41 ~ TIME OF CONCENTRATION(M1NUTES) = 21.80 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 724.00 LINE WK" ............................................................................ FLOW PROCESS FROM NODE 780.17 TO NODE 780.18 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< SOIL CLASSIFICATION IS "D" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 ............................................................................ ________________________________________------------------------------------ _____________--------------------------------------------------------------- INITIAL SUBAREA FLOW-LENGTH(FEET) = 600.00 UPSTREAM ELEVATION = 305.00 DOWNSTREAM ELEVATION = 300.00 ELEVATION DIFFERENCE = 5.00 URBAN SUBAREA OVERLAND TIME OF FLOW(M1NUTES) = 7.241 *CAUTION: SUBAREA FLOWLENGTH EXCEEDS COUNTY NOMOGRAPH DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED. 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 5.395 SUBAREA RUNOFF(CFS) = 64.58 TOTAL AREA(ACRES) = 12.60 TOTAL RUNOFF(CFS) = 64.58 ............................................................................ FLOW PROCESS FROM NODE 780.18 TO NODE 780.19 IS CODE = 4 >>>>>COMPUTE PIPEFMW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< PIPEFLOW VELOCITY(FEET/SEC.) = 20.6 DOWNSTREAM NODE ELEVATION = 248.00 FLOWLENGTH(FEET) = 600.00 MA"1NG.S N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 64.58 TRAVEL TIME(M1N.) = .49 TC(M1N.) = 7.73 ............................................................................ ________________________________________------------------------------------ ________________________________________------------------------------------ - UPSTREAM NODE ELEVATION = 280.00 ............................................................................ FLOW PROCESS FROM NODE 780.18 TO NODE 780.19 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ________________________________________------------------------------------ ________________________________________------------------------------------ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 5.173 SOIL CLASSIFICATION IS "D" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 SUBAREA AREA(ACRES) = 22.26 SUBAREA RUNOFF(CFS) = 109.40 TOTAL AREA(ACRES) = 34.86 TOTAL RUNOFF(CFS) = 173.98 TC(M1N) = 7.73 ............................................................................ FLOW PROCESS FROM NODE 780.19 TO NODE 780.16 IS CODE = 4 IICKII >>>>>COMPUTE PIPEFMW TRAVELTIME THRU SUBAREA<<<<< ............................................................................ .~ >>>>>USING USER-SPECIFIED PIPESIZE<<<<< PIPEFLOW VELOCITY(FEET/SEC.) = 55.4 aErE&ra&M UPSTREAM NODE ELEVATION = 238.00 DOWNSTREAM NODE ELEVATION = 209.00 FLOWLENGTH(FEET) = 550.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 173.98 TRAVEL TIME(M1N.) = .17 TC(M1N.) = 7.89 .............................................................................. FLOW PROCESS FROM NODE 780.19 TO NODE 780.16 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< _____________________________c__________------------------------------------ -----------------------------I==----------------------------------------------- ............................. ----------____------____________________---- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 5.103 SOIL CLASSIFICATION IS 'ID" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 SUBAREA AREA(ACRES) = 9.68 SUBAREA RUNOFF(CFS) = 46.93 TOTAL AREA(ACRES) = 44.54 TOTAL RUNOFF(CFS) = 220.90 TC(M1N) = 7.89 ............................................................................ FLOW PROCESS FROM NODE 780.16 TO NODE 780.16 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< ____________L--------------------------------------------------------------- A5-?ZWTiPn/ >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< CONFLUENCE VALUES USED FOR: INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(M1NUTES) = 7.89 RAINFALL INTENSITY (INCH./HOUR) = 5.10 TOTAL STREAM AREA (ACRES) = 44.54 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 220.90 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER ( CFS ) (MIN. ) (INCH/HOUR) .............................................................. &azaL ___=== ................................................................. - ............................................................................ 1 724.00 21.80 2.650 2 220.90 7.89 5.103 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 838.71 TIME(M1NUTES) = 21.801 TOTAL AREA (ACRES) = 299.95 838.71 596.87 ............................................................................ FLOW PROCESS FROM NODE 780.16 TO NODE 780.22 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< -- UPSTREAM NODE ELEVATION = 209.00 ............................................................................ ------------ ............................................................................ DOWNSTREAM NODE ELEVATION = 200.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 450.00 CHANNE.L BASE(FEET) = 5.00 "Z" FACTOR = 2.000 MA"1NGS FACTOR = .035 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 838.71 FLOW VELOCITY(FEET/SEC) = 11.56 FLOW DEPTH(FEET) = 4.90 TRAVEL TIME(M1N.) = .65 TC(M1N.) = 22.45 ............................................................................ FLOW PROCESS FROM NODE 780.16 TO NODE 780.22 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ _____________-------____________________---------------------_-------------- ______________--__--____________________------------------------------------ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.600 SOIL CLASSIFICATION IS "D" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 SUBAREA AREA(ACRES) = 7.68 SUBAREA RUNOFF(CFS) = 18.97 TOTAL AREA(ACRES) = 307.63 TOTAL RUNOFF(CFS) = 857.69 TC(M1N) = 22.45 ............................................................................ rdOW PROCESS FROM NODE 780.22 TO NODE 780.26 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 200.00 DOWNSTREAM NODE ELEVATION = 199.20 ............................................................................ ___________________-____________________--------------__-------------------- ________________________________________---------_------------------_------- CHANNEL LENGTH THRU SUBAREA(FEET) = 80.00 - CHANNEL BASE(FEET) = 10.00 llZ" FACTOR = .ooo MA"1NGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 5.00 CHANNEL FLOW THRU SUBAREA(CFS) = 857.69 FLOW VELOCITY (FEET/SEC) = 17.92 FLOW DEPTH(FEET) = 4.79 TRAVEL TIME(M1N.) = .07 TC(M1N.) = 22.52 ............................................................................ FLOW PROCESS FRON NODE 780.26 TO NODE 780.26 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 22.52 RAINFALL INTENSITY (INCH./HOUR) = 2.59 TOTAL STREAM AREA (ACRES) = 307.63 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 857.69 ............................................................................ ________________________________________---------------------__------------- ________________________________________------------------------------------ - s-/ 9- DOWNSTREAM ELEVATION = 300.00 ELEVATION DIFFERENCE = 5.00 URBAN SUBAREA OVERLAND TIME OF FLOW(M1NUTES) = 6.220 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 5.950 SUBAREA RUNOFF(CFS) = 40.53 TOTAL AREA(ACRES) = 7.17 TOTAL RUNOFF(CFS) = 40.53 ............................................................................ FLOW PROCESS FROM NODE 780.23 TO NODE 780.24 IS CODE = 6 >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< UPSTREAM ELEVATION = 300.00 DOWNSTREAM ELEVATION = 265.00 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) = 44.40 STREET FLOWDEPTH(FEET) = .47 HALFSTREET FLOODWIDTH(FEET) = 17.40 AVERAGE FLOW VELOCITY(FEET/SEC.) = 7.06 PRODUCT OF DEPTH&VELOCITY = 3.35 ............................................................................ ___________________-____________________------------------------------------ --_________________-----------------------------------------------------_--- STREETFLOW TRAVELTIME(M1N) = 1.65 TC(M1N) = 7.87 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 5.111 SOIL CLASSIFICATION IS 'ID" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 SUBAREA AREA(ACRES) = 1.59 SUBAREA RUNOFF(CFS) = 7.72 SUMMED AREA(ACRES) = 8.76 TOTAL RUNOFF(CFS) = 48.25 DEPTH(FEET) = .49 HALFSTREET FLOODWIDTH(FEET) = 17.98 FLOW VELOCITY(FEET/SEC.) = 7.20 DEPTH*VELOCITY = 3.50 - END OF SUBAREA STREETFLOW HYDRAULICS: ............................................................................ FLOW PROCESS FROM NODE 780.24 TO NODE 780.25 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< PIPEFLOW VELOCITY(FEET/SEC.) = 27.3 UPSTREAM NODE ELEVATION = 265.00 DOWNSTREAM NODE ELEVATION = 238.00 FLOWLENGTH(FEET) = 500.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 48.25 TRAVEL TIME(M1N.) = .31 TC(M1N.) = 8.18 ............................................................................ -----________-------____________________---------------------------_-------- ----_________----_______________________-----_-_---------------------------- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.987 SOIL CLASSIFICATION IS 'ID" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 SUBAREA AREA(ACRES) = 7.06 SUBAREA RUNOFF(CFS) = 33.45 TOTAL AREA(ACRES) = 15.82 TOTAL RUNOFF(CFS) = 81.70 TC(M1N) = 8.18 .............................................................................. FLOW PROCESS FROM NODE 780.25 TO NODE 780.22 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< ............................................................................ >>>>>USING USER-SPECIFIED PIPESIZE<<<<< .............................................................................. PIPEFLOW VELOCITY(FEET/SEC.) = 26.0 UPSTREAM NODE ELEVATION = 238.00 DOWNSTREAM NODE ELEVATION = 201.00 FLOWLENGTH(FEET) = 900.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 81.70 TRAVEL TIME (MIN. ) = .58 TC(M1N.) = 8.76 .............................................................................. FLOW PROCESS FROM NODE 780.25 TO NODE 780.26 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ----------__---------------------------------------------------------------- ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.773 SOIL CLASSIFICATION IS "D" INDUSTRIAL DEVEMPMENT RUNOFF COEFFICIENT = .9500 SUBAREA AREA(ACRES) = 10.48 SUBAREA RUNOFF(CFS) = 47.52 TC(M1N) = 8.76 - TOTAL AREA(ACRES) = 26.30 TOTAL RUNOFF(CFS) = 129.22 ............................................................................ FLOW PROCESS FROM NODE 780.26 TO NODE 780.26 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(M1NUTES) = 8.76 RAINFALL INTENSITY (INCH./HOUR) = 4.77 TOTAL STREAM AREA (ACRES) = 26.30 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 129.22 ............................................................................ ............................................................................ ----_----_-_-----___-------------------------------------------------------- CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN. ) (INCH/HOUR) ............................................................................ 1 857.69 22.52 2.595 2 129.22 8.76 4.773 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 927.93 TIME(M1NUTES) = 22.524 927.93 595.49 TOTAL .AREA(ACRES) = 333.93 ............................................................................ FLOW PROCESS FROM NODE 780.26 TO NODE 770.01 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< ............................................................................ UPSTREAM NODE ELEVATION = 201.00 DOWNSTREAM NODE ELEVATION = 192.75 CHANNEL LENGTH THRU SUBAREA(FEET) = 750.00 CHANNEL BASE(FEET) = 5.00 "Z" FACTOR = 2.000 MA"1NGS FACTOR = .035 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 927.93 FLOW VELOClTY(FEET/SEC) = 9.53 FLOW DEPTH(FEET) = 5.84 TRAVEL TIME(M1N.) = 1.31 TC(M1N.) = 23.84 ............................................................................ FLOW PROCESS FROM NODE 780.26 TO NODE 770.01 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ------------ ............................................................................ 100 YEAR RAINFALL INTENSITY (INCH/HOUR) = 2.502 SOIL CLASSIFICATION IS 'ID" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 SUBAREA AREA(ACRES) = 8.10 SUBAREA RUNOFF(CFS) = 19.25 TOTAL AREA(ACRES) = 342.03 TOTAL RUNOFF(CFS) = 947.18 - TC(M1N) = 23.84 ............................................................................ FLOW PROCESS FROM NODE 770.01 TO NODE 770.01 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 23.84 RAINFALL INTENSITY (INCH./HOUR) = 2.50 TOTAL STREAM AREA (ACRES) = 342.03 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 947.18 ............................................................................ ............................................................................ ............................................................................ TO PAGE-524- ............................................................................ FLOW PROCESS FROM NODE 770.02 TO NODE 770.02 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< SOIL CLASSIFICATION IS **D" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 ............................................................................ -------_____------______________________------ ............................................................................ INITIAL SUBAREA FLOW-LENGTH(FEET) = 400.00 UPSTREAM ELEVATION = 300.00 DOWNSTREAM ELEVATION = 295.00 ~ ELEVATION DIFFERENCE = 5.00 URBAN SUBAREA OVERLAND TIME OF FLOW(M1NUTES) = 5.249 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 6.639 - 5aa - SUBAREA RUNOFF(CFS) = 8.83 TOTAL AREA(ACRES) = 1.40 TOTAL RUNOFF(CFS) = 8.83 ........................................................................... FLOW PROCESS FROM NODE 770.02 TO NODE 770.03 IS CODE = 6 >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< UPSTREAM ELEVATION = 295.00 DOWNSTREAM ELEVATION = 265.00 STREET LENGTH(FEET) = 600.00 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) = 33.00 STREET FLOWDEPTH(FEET) = .44 HALFSTREET FLOODWIDTH(FEET) = 15.66 AVERAGE FLOW VELOCITY(FEET/SEC.) = 6.42 PRODUCT OF DEPTH&VELOCITY = 2.82 ............................................................................ ________________________________________----------------------------------_- ________________________________________------------------------------------ STREETFLOW TRAVELTIME(M1N) = 1.56 TC(M1N) = 6.81 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 5.614 SOIL CLASSIFICATION IS "D" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 SUBAREA AREA(ACRES) = 9.00 SUBAREA RUNOFF(CFS) = 48.00 SUMMED AREA(ACRES) = 10.40 TOTAL RUNOFF(CFS) = 56.83 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH (FEET) = .51 HALFSTREET FLOODWIDTH (FEET) = 19.13 FLOW VELOCITY(FEET/SEC.) = 7.52 DEPTH*VELOCITY = 3.83 ............................................................................ FLOW PROCESS FROM NODE 770.03 TO NODE 770.04 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< PIPEFLOW VELOCITY(FEET/SEC.) = 32.2 UPSTREAM NODE ELEVATION = 265.00 DOWNSTREAM NODE ELEVATION = 235.00 FLOWLENGTH(FEET) = 700.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 56.83 TRAVEL TIME(M1N.) = .36 TC(M1N.) = 7.17 ............................................................................ ________________________________________------------------------------------ -------____________--------------------------------------------------------- ............................................................................ FLOW PROCESS FROM NODE 770.03 TO NODE 770.04 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ----_________----_______________________------------------------------------ ---_____________________________________----------------------_------------- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 5.429 SOIL CLASSIFICATION IS "D" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 SUBAREA AREA(ACRES) = 7.91 SUBAREA RUNOFF(CFS) = 40.80 TOTAL AREA(ACRES) = 18.31 TOTAL RUNOFF(CFS) = 97.62 TC(M1N) = 7.17 ............................................................................ FLOW PROCESS FROM NODE 770.04 TO NODE 770.01 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 30.0 INCH PIPE IS 21.3 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 26.2 UPSTREAM NODE ELEVATION = 235.00 DOWNSTREAM NODE ELEVATION = 195.00 FLOWLENGTH(FEET) = 570.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 30.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 97.62 TRAVEL TIME(M1N.) = .36 TC(M1N.) = 7.53 - ........................................................................... ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 770.04 TO NODE 770.01 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ --________-_________-------------------------------------------------------- ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 5.259 SOIL CLASSIFICATION IS "D" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 SUBAREA AREA(ACRES) = 6.43 SUBAREA RUNOFF(CFS) = 32.13 TOTAL AREA(ACRES) = 24.74 TOTAL RUNOFF(CFS) = 129.75 TC(M1N) = 7.53 ,-- ............................................................................ FLOW PROCESS FROM NODE 770.01 TO NODE 770.01 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) = 7.53 RAINFALL INTENSITY (INCH./HOUR) = 5.26 TOTAL STREAM AREA (ACRES) = 24.74 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 129.75 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN. ) (INCH/HOUR) ............................................................................ ............................................................................ -------___-----_____-------------------------------------------------------- --------------------____c_______________------------------------------------ 1 947.18 23.84 2.502 2 129.75 7.53 5.259 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 1008.90 580.30 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 1008.90 TIME(M1NUTES) = 23.836 TOTAL AREA (ACRES) = 366.77 ............................................................................ FLOW PROCESS FROM NODE 770.01 TO NODE 770.05 IS CODE = 5 ............................................................................ ~ >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUEAREA<<<<< UPSTREAM NODE ELEVATION = 192.75 DOWNSTREAM NODE ELEVATION = 191.95 CHANNEL LENGTH THRU SUBAREA(FEET) = 80.00 MA"1NGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 5.00 CHANNEL FLOW THRU SUBAREA(CFS) = 1008.90 FLOW VEL~CITY(FEET/SEC) = 18.04 FLOW DEPTH(FEET) = 3.50 TRAVEL TIME (MIN. ) = .07 TC(M1N.) = 23.91 CHANNEL BASE(FEET) = 16.00 llZ" FACTOR = .ooo ............................................................................ FLOW PROCESS FROM NODE 770.05 TO NODE 770.10 IS CODE = 5 ............................................................................ >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 191.95 DOWNSTREAM NODE ELEVATION = 187.22 CHANNEL LENGTH THRU SUBAREA(FEET) = 430.00 CHANNEL BASE(FEET) = 5.00 IIZ" FACTOR = 2.000 MA"1NGS FACTOR = .035 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 1008.90 FLOW VELOCITY (FEET/SEC) = 9.69 FLOW DEPTH( FEET) = 6.07 ............................................................................ ............................................................................ - TRAVEL TIME(M1N.) = .74 TC(M1N.) = 24.65 ............................................................................ FLOW PROCESS FROM NODE 770.05 TO NODE 770.10 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.448 SOIL CLASSIFICATION IS "D" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 SUBAREA AREA(ACRES) = 4.04 SUBAREA RUNOFF(CFS) = 9.40 TOTAL AREA(ACRES) = 370.81 TOTAL RUNOFF(CFS) = 1018.30 TC(M1N) = 24.65 ............................................................................ FMW PROCESS FROM NODE 770.10 TO NODE 770.10 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 24.65 RAINFALL INTENSITY (INCH./HOUR) = 2.45 TOTAL STREAM AREA (ACRES) = 370.81 ............................................................................ ________________________________________------------------------------------ ............................................................................ - TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 1018.30 TO PAGE -52q- ............................................................................ FLOW PROCESS FROM NODE 770.70 TO NODE 770.70 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 = 310.00 DOWNSTREAM ELEVATION = 300.00 ELEVATION DIFFERENCE = 10.00 URBAN SUBAREA OVERLAND TIME OF FLOW(M1NUTES) = 18.998 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.896 SUBAREA RUNOFF(CFS) = 3.66 TOTAL AREA(ACRES) = 2.30 TOTAL RUNOFF(CFS) = 3.66 ............................................................................ FLOW PROCESS FROM NODE 770.70 TO NODE 770.80 IS CODE = 6 >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< UPSTREAM ELEVATION = 300.00 DOWNSTREAM ELEVATION = 230.00 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) = 20.79 STREET FLOWDEPTH(FEET) = .36 AVERAGE FLOW VELOCITY(FEET/SEC.) = 7.08 PRODUCT OF DEPTH&VELOCITY = 2.54 ............................................................................ ............................................................................ ............................................................................ - HALFSTREET FLOODWIDTH(FEET) = 11.62 STREETFLOW TRAVELTIME(M1N) = 1.88 TC(M1N) = 20.88 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.725 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 22.80 SUBAREA RUNOFF(CFS) = 34.17 SUMMED AREA(ACRES) = 25.10 TOTAL RUNOFF(CFS) = 37.83 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .42 HALFSTREET FLOODWIDTH(FEET) = 14.51 FLOW VELOCITY(FEET/SEC.) = 8.51 DEPTH*VELOCITY = 3.54 ............................................................................ FLOW PROCESS FROM NODE 770.80 TO NODE 770.90 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 27.0 INCH PIPE IS 21.4 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 11.2 UPSTREAM NODE ELEVATION = 230.00 DOWNSTREAM NODE ELEVATION = 225.00 FLOWLENGTH(FEET) = 350.00 MA"1NGS N = .012 PIPEFLOW THRU SUBAREA(CFS) = 37.83 TRAVEL TIME (MIN. ) = .52 TC(M1N.) = 21.40 -------------------*-------------------------------------------------------- ________________________________________------------------------------------ ----_______________-____________________------------------------------------ - GIVEN PIPE DIAMETER(1NCH) = 27.00 NUMBER OF PIPES = 1 ............................................................................ - FLOW PROCESS FROM NODE 770.90 TO NODE 770.90 IS CODE = 8 ............................................................................ >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ __-------------------------------------------------------------------------- 100 YEAR RAINFALL INTENSITY (INCH/HOUR) = 2.682 SOIL CLASSIFICATION IS "D" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 SUBAREA AREA(ACRES) = 10.70 SUBAREA RUNOFF(CFS) = 27.26 TOTAL AREA(ACRES) = 35.80 TOTAL RUNOFF(CFS) = 65.09 TC(M1N) = 21.40 ............................................................................ FLOW PROCESS FROM NODE 770.90 TO NODE 770.10 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 27.0 INCH PIPE IS 21.2 INCHES PIPEFLOW VELOCITY (FEET/SEC. ) = 19.4 UPSTREAM NODE ELEVATION = 225.00 DOWNSTREAM NODE ELEVATION = 185.00 FLOWLENGTH(FEET) = 930.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 27.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 65.09 ............................................................................ ____________________----------------------------------==-------------------= ___---_----------------------------------------------- - TRAVEL TIME(M1N.) = .80 TC(M1N.) = 22.20 ............................................................................ FLOW PROCESS FROM NODE 770.30 TO NODE 770.10 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.619 *USER SPECIFIED(SUBAREA): INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .8000 SUBAREA AREA(ACRES) = 15.79 SUBAREA RUNOFF(CFS) = 33.09 TOTAL AREA(ACRES) = 51.59 TOTAL RUNOFF(CFS) = 98.18 TC(M1N) = 22.20 ............................................................................ FLOW PROCESS FROM NODE 770.10 TO NODE 770.10 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) = 22.20 RAINFALL INTENSITY (INCH./HOUR) = 2.62 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 98.18 ............................................................................ ............................................................................ ............................................................................ . TOTAL STREAM AREA (ACRES) = 51.59 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN . ) ( INCH/HOUR) ............................................................................ - 1 1018.30 24.65 2.448 2 98.18 22.20 2.619 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 1110.06 TIME(M1NUTES) = 24.650 TOTAL AREA(ACRES) = 422.40 1110.06 1049.96 ............................................................................ FLOW PROCESS FROM NODE 770.10 TO NODE 770.11 IS CODE = 5 ............................................................................ >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 187.22 DOWNSTREAM NODE ELEVATION = 183.37 CHANNEL LENGTH THRU SUBAREA(FEET) = 350.00 CHANNEL BASE(FEET) = 5.00 "Z" FACTOR = 2.000 MA"1NGS FACTOR = .035 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 1110.06 FLOW VELOCITY(FEET/SEC) = 9.99 FLOW DEPTH(FEET) = 6 TRAVEL TIME (MIN. ) = .58 TC(M1N.) = 25.23 31 ........................................................................... FLOW PROCESS FROM NODE 770.11 TO NODE 770.12 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< ............................................................................ UPSTREAM NODE ELEVATION = 183.37 DOWNSTREAM NODE ELEVATION = 182.37 CHANNEL LENGTH THRU SUBAREA(FEET) = 100.00 MA"1NGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 4.00 CHANNEL FLOW THRU SUBAREA(CFS) = 1110.06 FLOW VELOCITY(FEET/SEC) = 18.58 FLOW DEPTH(FEET) = 3.73 TRAVEL TIME(M1N.) = .09 TC(M1N.) = 25.32 CHANNEL BASE(FEET) = 16.00 "Z" FACTOR = .ooo ............................................................................ FLOW PROCESS FROM NODE 770.12 TO NODE 770.20 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 182.37 DOWNSTREAM NODE ELEVATION = 177.42 CHANNEL LENGTH THRU SUBAREA(FEET) = 450.00 CHANNEL BASE(FEET) = 5.00 "Z" FACTOR = 2.000 MA"1NGS FACTOR = .035 MAXIMUM DEPTH(FEET) = 10.00 ............................................................................ ............................................................................ ----____________________________________------------------------------------ CHANNEL FLOW THRU SUBAREA(CFS) = 1110.06 FLOW VELOCITY(FEET/SEC) = 9.99 FLOW DEPTH(FEET) = 6.31 TRAVEL TIME (MIN. ) = .75 TC(M1N.) = 26.07 ............................................................................ FLOW PROCESS FROM NODE 770.10 TO NODE 770.20 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.361 SOIL CLASSIFICATION IS "D" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 SUBAREA AREA(ACRES) = 31.59 SUBAREA RUNOFF(CFS) = 70.85 TOTAL AREA(ACRES) = 453.99 TOTAL RUNOFF(CFS) = 1180.92 TC(M1N) = 26.07 ............................................................................ FLOW PROCESS FROM NODE 770.20 TO NODE 770.21 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 177.42 DOWNSTREAM NODE ELEVATION = 176.42 CHANNEL LENGTH THRU SUBAREA(FEET) = 100.00 MA"1NGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 8.00 FLOW VELOCITY (FEET/SEC) = 19.38 FLOW DEFl"(FEET) = 5.08 TRAVEL TIME (MIN. ) = .09 TC(M1N.) = 26.16 --______________________________________------------------------------------ --------------------____________________------------------------------------ CHANNEL BASE(FEET) = 12.00 IIZ" FACTOR = .ooo - CHANNEL FLOW THRU SUBAREA(CFS) = 1180.92 ............................................................................ FLOW PROCESS FROM NODE 770.21 TO NODE 770.30 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 176.42 DOWNSTREAM NODE ELEVATION = 174.22 CHANNEL LENGTH THRU SUBAREA(FEET) = 200.00 CHANNEL BASE(FEET) = 5.00 "Z" FACTOR = 2.000 MA"1NGS FACTOR = .03.5 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 1180.92 FLOW VELOCITY(FEET/SEC) = 10.08 FLOW DEPTH(FEET) = 6.50 TRAVEL TIME(M1N.) = .33 TC(M1N.) = 26.49 ............................................................................ -----------_____________________________------------------------------------ --______________________________________------------------------------------ ............................................................................ FLOW PROCESS FROM NODE 770.30 TO NODE 770.30 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 26.49 ............................................................................ ________________________________________------------------------------------ RAINFALL INTENSITY (INCH. /HOUR) = 2.34 TOTAL STREAM AREA (ACRES) = 453.99 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 1180.92 ............................................................................ FLOW PROCESS FROM NODE 770.40 TO NODE 770.40 IS CODE = 7 >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<<< USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(M1N) = 12.90 RAIN INTENSITY(INCH/HOUR) = 3.72 TOTAL AREA(ACFtES) = 1.90 TOTAL RUNOFF(CFS) = 3.90 TC = 1.8(1.1 - C)fL)^1/2 ............................................................................ ________________________________________-___-___---------------------------- ___________-_-_____--------------------------------------------------------- c = .55 L(FT) = 400 s = 3.7% [ s (100) ]^1/3 ............................................................................ FLOW PROCESS FROM NODE 770.40 TO NODE 770.50 IS CODE = 6 >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< UPSTREAM ELEVATION = 300.00 DOWNSTREAM ELEVATION = 225.00 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) = 17.03 STREET FLOWDEPTH (FEET) = .3 1 HALFSPREET FMODWIDTH (FEET) = 9.30 AVERAGE FMW VELOCITY(FEET/SEC.) = 8.66 PRODUCT OF DEPTH&VELOCITY = 2.70 ............................................................................ ______-_-________-_--------------------------------------------------------- -_-_______---__-__---------------------------------------------------------- STREETFLOW TRAVELTIME (MIN) = .96 TC(M1N) = 13.86 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.549 SOIL CLASSIFICATION IS I'D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 13.50 SUBAREA RUNOFF(CFS) = 26.35 SUMMED AREA(ACRES) = 15.40 TOTAL RUNOFF(CFS) = 30.25 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .37 HALFSTREET FLOODWIDTH(FEET) = 12.20 FLOW VELOCITY(FEET/SEC.) = 9.42 DEPTH*VELOCITY = 3.49 ............................................................................ FLOW PROCESS FROM NODE 770.50 TO NODE 770.30 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 27.0 INCH PIPE IS 20.5 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 9.3 UPSTREAM NODE ELEVATION = 185.00 DOWNSTREAM NODE ELEVATION = 180.00 FLOWLENGTH(FEET) = 500.00 MA"1NGS N = .012 PIPEFLOW THRU SUBAREA(CFS) = 30.25 TRAVEL TIME(M1N.) = .89 TC(M1N.) = 14.76 ............................................................................ ............................................................................ ............................................................................ - GIVEN PIPE DIAMETER(1NCH) = 27.00 NUMBER OF PIPES = 1 ............................................................................ - FLOW PROCESS FROM NODE 770.50 TO NODE 770.30 IS CODE = 8 ........................................................................... >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< -----__--___________-------------------------------------------------------- ____________________-------------------------------------------------------- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.409 *USER SPECIFIED (SUBAREA) : INDUSTRIAL DEVELQPMENT RUNOFF COEFFICIENT = .7000 SUBAREA AREA(ACRES) = 12.12 SUBAREA RUNOFF(CFS) = 28.92 TOTAL AREA(ACRES) = 27.52 TOTAL RUNOFF(CFS) = 59.17 TC(M1N) = 14.76 ............................................................................ FLOW PROCESS FROM NODE 770.30 TO NODE 770.30 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) = 14.76 RAINFALL INTENSITY (INCH. /HOUR) = 3.4 1 TOTAL STREAM AREA (ACRES) = 27.52 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 59.17 ----_-_--_--_-__-__--------------------------------------------------------- ............................................................................ CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY - NUMBER ( CFS ) (MIN. ) (INCH/HOUR) --_-_---________________________________----------------------------------- 1 1180.92 26.49 2.337 2 59.17 14.76 3.409 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 1221.48 TIME(M1NUTES) = 26.491 TOTAL AREA (ACRES) = 481.51 1221.48 868.80 ............................................................................ FLOW PROCESS FROM NODE 770.30 TO NODE 770.60 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 166.00 DOWNSTREAM NODE ELEVATION = 163.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 350.00 CHANNEL BASE(FEET) = 5.00 "2" FACTOR = 2.000 MA"1NGS FACTOR = .035 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 1221.48 TRAVEL TIME(M1N.) = .62 TC(M1N.) = 27.12 ............................................................................ --______________________________________------------------------------------ ----__--_____-_____-____________________------------------------------------ .- FLOW VELOCITY(FEET/SEC) = 9.34 FLOW DEPTH(FEET) = 6.93 SOIL CLASSIFICATION IS "D" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 SUBAREA AREA(ACRES) = 12.48 SUBAREA RUNOFF(CFS) = 27.29 TOTAL AREA(ACRES) = 493.99 TOTAL RUNOFF(CFS) = 1248.77 TC(M1N) = 27.12 .............................................................................. FLOW PROCESS FROM NODE 750.10 TO NODE 750.20 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< SOIL CLASSIFICATION IS "D" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 ____________c--------------------------------------------------------------- ............................................................................ INITIAL SUBAREA FLOW-LENGTH(FEET) = 1000.00 UPSTREAM ELEVATION = 326.00 DOWNSTREAM ELEVATION = 295.00 ELEVATION DIFFERENCE = 31.00 URBAN SUBAREA OVERLAND TIME OF FLOW(M1NUTES) = 7.180 *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) = 5.425 SUBAREA RUNOFF(CFS) = 41.74 TOTAL AREA(ACRES) = 8.10 TOTAL RUNOFF(CFS) = 41.74 ............................................................................ FLOW PROCESS FROM NODE 750.20 TO NODE 750.30 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 24.0 INCH PIPE IS 18.2 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 16.3 UPSTREAM NODE ELEVATION = 295.00 DOWNSTREAM NODE ELEVATION = 270.00 FLOWLENGTH(FEET) = 700.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 41.74 TRAVEL TIME(M1N.) = .72 TC(M1N.) = 7.89 ............................................................................ ............................................................................ ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 750.20 TO NODE 750.30 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ~~~~ ~~~~ ~~~~~~~ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 5.102 SOIL CLASSIFICATION IS "D" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 SUBAREA AREA(ACRES) = 7.70 SUBAREA RUNOFF(CFS) = 37.32 TOTAL AREA(ACRES) = 15.80 TOTAL RUNOFF(CFS) = 79.06 TC(M1N) = 7.89 ............................................................................ FLOW PROCESS FROM NODE 750.30 TO NODE 750.40 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< PIPEFLOW VELOCITY(FEET/SEC.) = 25.2 UPSTREAM NODE ELEVATION = 270.00 DOWNSTREAM NODE ELEVATION = 250.00 FLOWLENGTH(FEET) = 450.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 79.06 TRAVEL TIME(M1N.) = .30 TC(M1N.) = 8.19 ............................................................................ ________________________________________------------------------------------ _________________-______________________------------------------------------ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.982 SOIL CLASSIFICATION IS "D" -. INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 SUBAREA AREA(ACRES) = 6.61 SUBAREA RUNOFF(CFS) = 31.28 TOTAL AREA(ACRES) = 22.41 TOTAL RUNOFF(CFS) = 110.35 TC(M1N) = 8.19 ............................................................................ FLOW PROCESS FROM NODE 750.60 TO NODE 750.50 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ________________________________________------------------------------------ -_______________________________________------------------------------------ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.982 SOIL CLASSIFICATION IS "D" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 SUBAREA AREA(ACRES) = 33.06 SUBAREA RUNOFF(CFS) = 156.46 TOTAL AREA(ACRES) = 55.47 TOTAL RUNOFF(CFS) = 266.81 TC(M1N) = 8.19 FLOWLENGTH(FEET) = 250.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 42.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) E 266.81 TRAVEL TIME(M1N.) = .15 TC(M1N.) = 8.34 ............................................................................ FLOW PROCESS FROM NODE 750.70 TO NODE 750.80 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 203.00 DOWNSTREAM NODE ELEVATION = 200.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 350.00 CHANNEL BAsE(FEET) = .OO "Z" FACTOR = 5.000 MA"1NGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SlJBAREA(CFS) = 266.81 FLOW VELOCITY(FEET/SEC) = 4.78 FLOW DEPTH(FEET) = 3.34 TRAVEL TIME(M1N.) = 1.22 TC(M1N.) = 9.56 ............................................................................ .............................................................................. ............................................................................ FLOW PROCESS FROM NODE 750.90 TO NODE 750.80 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.509 SOIL CLASSIFICATION IS "D" SUBAREA AREA(ACRES) = 13.90 SUBAREA RUNOFF(CFS) = 59.54 TOTAL AREA(ACRES) = 69.37 TOTAL RUNOFF(CFS) = 326.35 TC(M1N) = 9.56 -. INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 ............................................................................ FEOW PROCESS FROM NODE 750.80 TO NODE 750.11 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< ............................................................................ UPSTREAM NODE ELEVATION = 200.00 DOWNSTREAM NODE ELEVATION = 195.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 400.00 CHANNEL BASE(FEET) = 40.00 IIZ" FACTOR = 5.000 MA"1NGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 326.35 FLOW VELOCITY (FEET/SEC) = 4.86 FLOW DEPTH(FEET) = 1.43 TRAVEL TIME(M1N.) = 1.37 TC(M1N.) = 10.94 ............................................................................ FLOW PROCESS FROM NODE 750.11 TO NODE 750.11 IS CODE = 1 ............................................................................ >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< ........................................................................... ........................................................................... CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 10.94 RAINFALL INTENSITY (INCH./HOUR) = 4.14 TOTAL STREAM AREA (ACRES) = 69.37 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 326.35 ............................................................................ FLOW PROCESS FROM NODE 750~12 TO NODE 750.13 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< SOIL CLASSIFICATION IS I'D" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 INITIAL SUBAREA FLOW-LENGTH(FEET) = 800.00 UPSTREAM ELEVATION = 325.00 DOWNSTREAM ELEVATION = 300.00 ELEVATION DIFFERENCE = 25.00 URBAN SUBAREA OVERLAND TIME OF FLOW(M1NUTES) = 6.398 *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) = 5.843 SUBAREA RUNOFF(CFS) = 71.33 TOTAL AREA(ACRES) = 12.85 TOTAL RUNOFF(CFS) = 71.33 ............................................................................ FLOW PROCESS FROM NODE 750.13 TO NODE 750.14 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< PIPEFLOW VELOCITY (FEET/SEC. ) = 40.4 UPSTREAM NODE ELEVATION = 300.00 DOWNSTREAM NODE ELEVATION = 280.00 FLOWLENGTH(FEET) = 340.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 71.33 TRAVEL TIME(M1N.) = .14 TC(M1N.) = 6.54 ._______________________________________----------------------------------- _. ............................................................................ ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 750.14 TO NODE 750.15 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< PIPEFLOW VELOCITY (FEET/SEC. ) = 22.7 UPSTREAM NODE ELEVATION = 280.00 DOWNSTREAM NODE ELEVATION = 270.00 FLOWLENGTH(FEET) = 340.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 71.33 ............................................................................ ............................................................................ ............................................................................ - TRAVEL TIME(M1N.) = .25 TC(M1N.) = 6.79 ............................................................................. FLOW PROCESS FROM NODE 750.15 TO NODE 750.16 IS CODE = 4 ............................................................................ - >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 36.0 INCH PIPE IS 16.1 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 23.2 UPSTREAM NODE ELEVATION = 270.00 DOWNSTREAM NODE ELEVATION = 255.00 FLOWLENGTH(FEET) = 250.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 36.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 71.33 TRAVEL TIME(M1N.) = .18 TC(M1N.) = 6.97 ............................................................................ FLOW PROCESS FROM NODE 750.13 TO NODE 750.16 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 5.531 SOIL CLASSIFICATION IS "D" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 SUBAREA AREA(ACRES) = 9.92 SUBAREA RUNOFF(CFS) = 52.12 TOTAL AREA(ACRES) = 22.77 TOTAL RUNOFF(CFS) = 123.46 TC(M1N) = 6.97 ............................................................................ FMW PROCESS FROM NODE 750.16 TO NODE 750.17 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< ............................................................................ ____________________-------------------------------------------------------- _________-__________-------------------------------------------------------- PIPEFLOW VELoCITY(FEET/SEC.) = 25.2 UPSTREAM NODE ELEVATION = 255.00 DOWNSTREAM NODE ELEVATION = 225.00 FLOWLENGTH(FEET) = 500.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 30.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 123.46 TRAVEL TIME (MIN. ) = .33 TC(M1N.) = 7.30 ............................................................................ FMW PROCESS FROM NODE 750.16 TO NODE 750.17 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ________________________________________------------------------------------ __-_____________________________________------------------------------------ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 5.368 SOIL CLASSIFICATION IS "D" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 SUBAREA AREA(ACRES) = 15.79 SUBAREA RUNOFF(CFS) = 80.52 TOTAL AREA(ACRES) = 38.56 TOTAL RUNOFF(CFS) = 203.97 - TC(M1N) = 7.30 ............................................................................ FLOW PROCESS FROM NODE 750.17 TO NODE 750.18 IS CODE = 4 ............................................................................ - >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< ........................................................................... _-----------------______________________------------------------------------ PIPEFLOW VEMCITY(FEET/SEC.) = 28.9 UPSTREAM NODE ELEVATION = 225.00 DOWNSTREAM NODE ELEVATION = 200.00 FLOWLENGTH(FEET) = 350.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 36.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 203.97 TRAVEL TIME(M1N.) = .20 TC(M1N.) = 7.50 ............................................................................ FLOW PROCESS FROM NODE 750.18 TO NODE 750.19 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< ............................................................................ >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 48.0 INCH PIPE IS 37.4 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 19.4 UPSTREAM NODE ELEVATION = 200.00 DOWNSTREAM NODE ELEVATION = 198.00 FLOWLENGTH(FEET) = 100.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 48.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 203.97 TRAVEL TIME(M1N.) = .09 TC(M1N.) = 7.59 ____________________-------------------------------------------------------- ------_-____---------------------------------------------------------------- - ............................................................................ FLOW PROCESS FROM NODE 750.11 TO NODE 750.11 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) = 7.59 RAINFALL INTENSITY (INCH./HOUR) = 5.24 TOTAL STREAM AREA (ACRES) = 62.62 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 323.64 ............................................................................ ............................................................................ ............................................................................ CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN. ) (INCH/HOUR) ............................................................................ ~ 1 326.35 10.94 4.135 2 323.64 7.59 5.235 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 581.99 TIME(M1NUTES) = 10.935 TOTAL AREA (ACRES) = 131.99 581.99 581.42 ............................................................................ FLOW PROCESS FROM NODE 750.11 TO NODE 750.21 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 30.0 INCH PIPE IS 24.6 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 27.9 UPSTREAM NODE ELEVATION = 204.20 DOWNSTREAM NODE ELEVATION = 185.00 FLOWLENGTH(FEET) = 250.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 30.00 NUMBER OF PIPES = 1 TRAVEL TIME (MIN. ) = .15 TC(M1N.) = 26.25 ............................................................................ .......................................................................... PIPEFLOW THRU SUBAREA(CFS) = 120.00 ............................................................................ FLOW PROCESS FROM NODE 750.11 TO NODE 750.21 ISCODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ -------______--_----____________________------------------------------------ _________________________________________--------------------_-------------- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.351 SOIL CLASSIFICATION IS 'ID" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 SUBAREA AREA(ACRES) = 4.51 SUBAREA RUNOFF(CFS) = 10.07 TOTAL AREA(ACRES) = 136.51 TOTAL RUNOFF(CFS) = 130.07 TC(M1N) = 26.25 ............................................................................ - FLOW PROCESS FROM NODE 750.21 TO NODE 750.22 IS CODE = 4 .-------------------------------------------------------------------------- >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< c 53 B- >>>>>USING USER-SPECIFIED PIPESIZE<<<<< ............................................................................. PIPEFLOW VELOCITY(FEET/SEC.) = 26.5 UPSTREAM NODE ELEVATION = 169.00 DOWNSTREAM NODE ELEVATION = 165.00 FLOWLENGTH(FEET) = 350.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 30.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 130.07 TRAVEL TIME(M1N.) = .22 TC(M1N.) = 26.47 - ............................................................................ FLOW PROCESS FROM NODE 750.22 TO NODE 770.60 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< PIPEFLOW VELOCITY (FEET/SEC. ) = 11.2 UPSTREAM NODE ELEVATION = 165.00 DOWNSTREAM NODE ELEVATION = 163.00 FLOWLENGTH(FEET) = 400.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 48.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 140.13 TRAVEL TIME (MIN. ) = .60 TC(M1N.) = 27.07 ............................................................................ ________________________________________------------------------------------ ________________________________________------------------------------------ ............................................................................ FLOW PROCESS FROM NODE 770.60 TO NODE 770.60 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< ............................................................................ ________________________________________------------------------------------ ----______--_______---------------_----------------------------------------- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 27.07 RAINFALL INTENSITY (INCH./HOUR) = 2.30 TOTAL STREAM AREA (ACRES) = 141.04 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 140.13 TO PAGE - 540 - ............................................................................ FLOW PROCESS FROM NODE 770.60 TO NODE 770.60 IS CODE = 7 ............................................................................ - >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<<< _-______________________________________----------------------------------- USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(M1N) = 27.10 RAIN INTENSITY(INCH/HOUR) = 2.30 TOTAL AREA(ACRES) = 494.00 TOTAL RUNOFF(CFS) = 1249.00 * PREVIOUSLY COMPUTED FLOW - ........................................................................... FLOW PROCESS FROM NODE 770.60 TO NODE 770.60 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) = 27.10 RAINFALL INTENSITY (INCH./HOUR) = 2.30 TOTAL STREAM AREA (ACRES) = 494.00 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 1249.00 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN. ) (INCH/HOUR) ............................................................................ ............................................................................ ............................................................................ 1 140.13 27.07 2.305 2 1249.00 27.10 2.303 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 1389.03 TIME(M1NUTES) = 27.100 TOTAL AREA(ACRES) = 635.04 1388.17 1389.03 - ............................................................................ FLOW PROCESS FROM NODE 750.60 TO NODE 750.23 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 165.00 DOWNSTREAM NODE ELEVATION = 155.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 800.00 CHANNEL BASE(FEET) = 10.00 "Z" FACTOR = 3.000 MA"1NGS FACTOR = .035 MAXIMUM DEPTH(FEET) = 15.00 CHANNEL FLOW THRU SUBAREA(CFS) = 1389.03 FLOW VELOCITY(FEET/SEC) = 10.16 FLOW DEPTH(FEET) = 5.29 TRAVEL TIME(M1N.) = 1.31 TC(M1N.) = 28.41 ............................................................................ ............................................................................ ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 750.60 TO NODE 750.23 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.234 SOIL CLASSIFICATION IS "D" SUBAREA AREA(ACRES) = 13.59 SUBAREA RUNOFF(CFS) = 28.84 TOTAL AREA(ACRES) = 648.63 TOTAL RUNOFF(CFS) = 1417.86 ~ INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 - 59-0- TC(M1N) = 28.41 ............................................................................ FLOW PROCESS FROM NODE 750.23 TO NODE 750.28 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 155.00 DOWNSTREAM NODE ELEVATION = 154.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 100.00 MA"1NGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 7.00 CHANNEL FLOW THRU SUBAREA(CFS) = 1417.86 FLOW VELOCITY(FEET/SEC) = 20.33 FLOW DEPTH(FEET) = 5.81 TRAVEL TIME (MIN. ) = .08 TC(M1N.) = 28.49 ........................................................................... ......................... ................................................... ..................................... CHANNEL BASE(FEET) = 12.00 "Z" FACTOR = .ooo LINE "a" ............................................................................ FLOW PROCESS FROM NODE 750.24 TO NODE 750.24 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 ............................................................................ ............................................................................ ________________________________________------------------------------------ INITIAL SUBAREA FLOW-LENGTH(FEET) = 300.00 UPSTREAM ELEVATION = 380.00 DOWNSTREAM ELEVATION = 375.00 - ELEVATION DIFFERENCE = 5.00 URBAN SUBAREA OVERLAND TIME OF FLOW(M1NUTES) = 15.295 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.331 SUBAREA RUNOFF(CFS) = 2.56 TOTAL AREA(ACRES) = 1.40 TOTAL RUNOFF(CFS) = 2.56 ............................................................................ FLOW PROCESS FROM NODE 750.24 TO NODE 750.25 IS CODE = 6 >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< UPSTREAM ELEVATION = 375.00 DOWNSTREAM ELEVATION = 215.00 STREET LENGTH(FEET) = 1200.00 CURB HEIGTH(1NCHES) = 6. STREET HALFWIDTH(FEET) = 20.00 STREET CROSSFALL(DEC1MAL) = .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLQW(CFS) = 27.64 STREET FLOWDEPTH(FEET) = .36 HALFSTREET FLOODWIDTH(FEET) = 11.62 ............................................................................ ________________________________________------------------------------------ --____-____________--------------------------------------------------------- 9.42 AVERAGE FLOW VELOCITY (FEET~SEC. = PRODUCT OF DEPTH&VELOCITY = 3.38 STREETFLOW TRAVELTIME (MIN) = 2.12 TC (MIN 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3 SOIL CLASSIFICATION IS "D" = 17.42 063 SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUMMED AREA(ACRES) = 31.20 TOTAL RUNOFF(CFS) = 52.76 - SUBAREA AREA(ACRES) = 29.80 SUBAREA RUNOFF(CFS) = 50.20 END OE SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .44 HALFSTREET FLOODWIDTH(FEET) = 15.66 FLQW VELQCITY(FEET/SEC.) = 10.26 DEF'l"*VELOCITY = 4.51 ............................................................................ FLOW PROCESS FROM NODE 750.25 TO NODE 750.26 IS CODE = 3 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< ............................................................................ ~~ ~~ DEPTH OF FLOW IN 27.0 INCH PIPE IS 20.8 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 16.0 UPSTREAM NODE ELEVATION = 210.00 DOWNSTREAM NODE ELEVATION = 200.00 FLOWLENGTH(FEET) = 340.00 MA"1NGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 27.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 52.76 TRAVEL TIME (MIN. ) = .35 TC(M1N.) = 17.77 ............................................................................ FLOW PROCESS FROM NODE 750.25 TO NODE 750.26 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ----__----_______--_-------------------------------------------------------- ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.023 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 TOTAL AREA(ACRES) = 50.75 TOTAL RUNOFF(CFS) = 98.57 TC(M1N) = 17.77 - SUBAREA AREA(ACRES) = 27.55 SUBAREA RUNOFF(CFS) = 45.81 ............................................................................ FMW PROCESS FROM NODE 750.26 TO NODE 750.27 IS CODE = 4 IIC Jll ............................................................................ >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 36.0 INCH PIPE IS 29.2 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 16.1 UPSTREAM NODE ELEVATION = 200.00 DOWNSTREAM NODE ELEVATION = 193.00 FLOWLENGTH(FEET) = 350.00 MANNINGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 36.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 98.57 TRAVEL TIME(M1N.) = .36 TC(M1N.) = 18.14 --______________________________________------------------------------------ ---____-________________________________------------------------------------ PIPEFLQW VELOCITY(FEET/SEC.) = 27.8 UPSTREAM NODE ELEVATION = 193.00 DOWNSTREAM NODE ELEVATION = 158.00 GIVEN PIPE DIAMETER(1NCH) = 36.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 98.57 TRAVEL TIME(M1N.) = .27 TC(M1N.) = 18.41 - FLOWLENGTH(FEET) = 450.00 MA"1NGS N = .012 ............................................................................ FLOW PROCESS FROM NODE 750.26 TO NODE 750.28 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ------ ................................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.956 *USER SPECIFIED(SUBAREA): SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .8000 SUBAREA AREA(ACRES) = 16.16 SUBAREA RUNOFF(CFS) = 38.21 TOTAL AREA(ACRES) = 74.91 TOTAL RUNOFF(CFS) = 136.78 TC(M1N) = 18.41 ............................................................................ FLOW PROCESS FROM NODE 710.20 TO NODE 710.20 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< SOIL CLASSIFICATION IS "D". ............................................................................ ----- .................................... ------ ---------------------------==------------------------------------ INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 - INITIAL SUBAREA FLOW-LENGTH(FEET) = 500.00 UPSTREAM ELEVATION = 210.00 DOWNSTREAM ELEVATION = 205.00 ELEVATION DIFFERENCE = 5.00 URBAN SUBAREA OVERLAND TIME OF FLOW(M1NUTES) = 6.220 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 5.950 SUBAREA RUNOFF(CFS) = 32.22 TOTAL AREA(ACRES) = 5.70 TOTAL RUNOFF(CFS) = 32.22 ............................................................................ FLOW PROCESS FROM NODE 710.20 TO NODE 710.30 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< PIPEFLOW VELOCITY(FEET/SEC.) = 18.2 UPSTREAM NODE ELEVATION = 205.00 DOWNSTREAM NODE ELEVATION = 175.00 FLOWLENGTH(FEET) = 600.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 32.22 TRAVEL TIME(M1N.) = .55 TC(M1N.) = 6.77 ............................................................................ ................................................ ............................................................................ - 593- >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ---------5==--------------------------------------- ................................................................ --------- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 5.635 INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 SUBAREA AREA(ACRES) = 6.40 SUBAREA RUNOFF(CFS) = 34.26 TOTAL AREA(ACRES) = 12.10 TOTAL RUNOFF(CFS) = 66.48 TC(M1N) = 6.77 - SOIL CLASSIFICATION IS 'ID" ............................................................................ FLOW PROCESS FROM NODE 710.30 TO NODE 710.10 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< ............................................................................ >>>>>USING USER-SPECIFIED PIPESIZE<<<<< PIPEFLOW VELOCITY(FEET/SEC.) = 37.6 UPSTREAM NODE ELEVATION = 175.00 DOWNSTREAM NODE ELEVATION = 172.60 FLOWLENGTH(FEET) = 150.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 66.48 TRAVEL TIME(M1N.) = .07 TC(M1N.) = 6.84 ............................................................................ FLOW PROCESS FROM NODE 710.50 TO NODE 710.60 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< *USER SPECIFIED(SUBAREA): INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .4500 ............................................................................ ________________________________________------------------------------------ NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION WITH 10-MINUTES ADDED = 11.25(MINUTES) INITIAL SUBAREA FLOW-LENGTH(FEET) = 350.00 UPSTREAM ELEVATION = 250.00 DOWNSTREAM ELEVATION = 170.00 ELEVATION DIFFERENCE = 80.00 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.059 SUBAREA RUNOFF(CFS) = 4.69 TOTAL AREA(ACRES) = 2.57 TOTAL RUNOFF(CFS) = 4.69 ............................................................................ FLOW PROCESS FROM NODE 710.60 TO NODE 710.70 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 24.0 INCH PIPE IS 4.4 INCHES PIPEFLOW VELOCITY (FEET/SEC. ) = 11.9 UPSTREAM NODE ELEVATION = 170.00 DOWNSTREAM NODE ELEVATION = 165.00 FLOWLENGTH (FEET) = 70.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 4.69 TRAVEL TIME (MIN. ) = .10 TC(M1N.) = 11.35 ............................................................................ --------- ............................................................................ - 5 44- ............................................................................ - FLOW PROCESS FROM NODE 710.70 TO NODE 710.80 IS CODE = 4 ........................................................................... >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 24.0 INCH PIPE IS 5.0 INCHES PIPEFLOW VELOCITY (FEET/SEC. ) = 9.8 UPSTREAM NODE ELEVATION = 165.00 DOWNSTREAM NODE ELEVATION = 160.00 FLOWLENGTH(FEET) = 120.00 MANNINGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 4.69 TRAVEL TIME (MIN. ) = .20 TC(M1N.) = 11.56 ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 710.80 TO NODE 710.90 IS CODE = 4 ............................................................................ >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 24.0 INCH PIPE IS 4.6 INCHES PIPEFLOW VELOCITY (FEET/SEC. ) = 11.2 UPSTREAM NODE ELEVATION = 160.00 DOWNSTREAM NODE ELEVATION = 140.00 FLOWLENGTH(FEET) = 330.00 MANNINGS N = .012 PIPEFLOW THRU SUBAREA(CFS) = 4.69 - GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 TRAVEL TIME(M1N.) = .49 TC(M1N.) = 12.05 ............................................................................ FLOW PROCESS FROM NODE 710.60 TO NODE 710.90 IS CODE = 8 ............................................................................ >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ---_____________ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.885 SOIL CLASSIFICATION IS "D" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 SUBAREA AREA(ACRES) = 8.08 SUBAREA RUNOFF(CFS) = 29.82 TOTAL AREA(ACRES) = 10.65 TOTAL RUNOFF(CFS) = 34.51 TC(M1N) = 12.05 ............................................................................ FLOW PROCESS FROM NODE 710.12 TO NODE 710.12 IS CODE = 7 >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<<< USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(M1N) = 7.20 RAIN INTENSITY(INCH/HOUR) = 5.41 TOTAL AREA(ACRES) = .50 TOTAL RUNOFF(CFS) = 1.50 TC 1.8f1.1 - C)fL) "1/2 ............................................................................ ............................................................................ ~. c = .55 L(FT) = 200 s = 7.5% [ s ( 100) ] ~1/3 ............................................................................ FLOW PROCESS FROM NODE 710.12 TO NODE 710.13 IS CODE = 6 >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< ............................................................................ - UPSTREAM ELEVATION = 350.00 DOWNSTREAM ELEVATION = 175.00 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) = 13.02 STREET FLOWDEPTH(FEET) = .28 AVERAGE FLOW VELQCITY(FEET/SEC.) = 9.42 PRODUCT OF DEPTH&VELOCITY = 2.62 HALFSTREET FLOODWIDTH(FEET) = 7.57 STREETFLOW TRAVELTIME(M1N) = 1.42 TC(M1N) = 8.62 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.823 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 8.70 SUBAREA RUNOFF(CFS) = 23.08 SUMMED AREA(ACRES) = 9.20 TOTAL RUNOFF(CFS) = 24.58 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .34 HALFSTREET FLOODWIDTH(FEET) = 10.46 FLOW VELOCITY(FEET/SEC.) = 10.14 DEPTH*VELOCITY = 3.40 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.654 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 13.04 SUBAREA RUNOFF(CFS) = 33.38 TOTAL AREA(ACRES) = 22.24 TOTAL RUNOFF(CFS) = 57.95 TC(M1N) = 9.10 ............................................................................ FLOW PROCESS FROM NODE 710.15 TO NODE 710.16 IS CODE = 7 >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<<< USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(M1N) = 5.00 RAIN INTENSITY(INCH/HOUR) = 6.85 TOTAL AREA(ACRES) = 2.60 TOTAL RUNOFF(CFS) = 16.90 c = .95 L(FT) = 350 S = 1.4% ............................................................................ ............................................................................ ________________________________________------------------------------------ Tc = l.S(l.1 - C)(L)^1/2 [ S (100) 3 ^1/3 ............................................................................ FLOW PROCESS FROM NODE 710.16 TO NODE 710.17 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.) = 26.9 UPSTREAM NODE ELEVATION = 175.00 DOWNSTREAM NODE ELEVATION = 150.00 FLQWLENGTH(FEET) = 100.00 MA”1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 16.90 TRAVEL TIME(M1N.) = .06 TC(M1N.) = 5.06 ............................................................................ ___________________-____________________----------------------------------- ________________________________________------------------------------------ ............................................................................ FLOW PROCESS FROM NODE 710.17 TO NODE 710.18 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 24.0 INCH PIPE IS 12.0 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 10.8 UPSTREAM NODE ELEVATION = 150.00 DOWNSTREAM NODE ELEVATION = 147.00 FLOWLENGTH(FEET) = 150.00 MA”1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 16.90 ............................................................................ ___________________-____________________------------------------------------ ---_______---______--------------------------------------------------------- ’- TRAVEL TIME(M1N.) = .23 TC(M1N.) = 5.29 r; 63 ............................................................................ FLOW PROCESS FROM NODE 710.16 TO NODE 710.18 IS CODE = 8 ............................................................................ - >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< 100 YEAR RAINFALL INTENSITY (INCH/HOUR) = 6.602 SOIL CLASSIFICATION IS 'ID" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 SUBAREA AREA(ACRES) = 2.57 SUBAREA RUNOFF(CFS) = 16.12 TOTAL AREA(ACRES) = 5.17 TOTAL RUNOFF(CFS) = 33.02 TC(M1N) = 5.29 ............................................................................. ............................................................................ FLOW PROCESS FROM NODE 710.18 TO NODE 710.11 IS CODE = 4 >>>>>COMPUTE PIPEFMW TRAVELTIME THRU SUBAREA<<<<< ............................................................................ >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 24.0 INCH PIPE IS 19.2 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 12.3 UPSTREAM NODE ELEVATION = 147.00 DOWNSTREAM NODE ELEVATION = 145.00 FLOWLENGTH(FEET) = 100.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFMW THRU SUBAREA(CFS) = 33.02 TRAVEL TIME(M1N.) = .14 TC(M1N.) = 5.43 ............................................................................ - ........................................................................... FLOW PROCESS FROM NODE 710.22 TO NODE 710.23 IS CODE = 7 >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<<< USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(M1N) = 5.00 RAIN INTENSITY(INCH/HOUR) = 6.85 TOTAL AREA(ACRES) = 3.70 TOTAL RUNOFF(CFS) = 24.10 c = .95 LIFT) = 500 S = 6% ............................................................................ ............................................................................ Tc = 1.811 .i - CI~LIA~/~-= 3.3 [ s ( 100) ] ~1/3 USE Tc = 5 MIN. ............................................................................ FLOW PROCESS FROM NODE 710.23 TO NODE 710.24 IS CODE = 4 ............................................................................ >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< PIPEFLOW VELOCITY(FEET/SEC.) = 13.6 UPSTREAM NODE ELEVATION = 145.00 DOWNSTREAM NODE ELEVATION = 144.00 FLOWLENGTH(FEET) = 150.00 MANNINGS N = ,012 GIVEN PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 PIPEFMW THRU SUBAREA(CFS) = 24.10 TRAVEL TIME(M1N.) = .18 TC(M1N.) = 5.18 ............................................................................ -54-B- ............................................................................ FLOW PROCESS FROM NODE 710.24 TO NODE 710.21 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< ............................................................................ >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 24.0 INCH PIPE IS 13.0 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 27.2 UPSTREAM NODE ELEVATION = 144.00 DOWNSTREAM NODE ELEVATION = 120.00 FLOWLENGTH(FEET) = 200.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 46.99 TRAVEL TIME(M1N.) = .12 TC(M1N.) = 5.31 ............................................................................ LINE "CI" ............................................................................ - FLOW PROCESS FROM NODE 740.01 TO NODE 740.01 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< SOIL CLASSIFICATION IS 'ID" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 INITIAL SUBAREA FLOW-LENGTH(FEET) = 600.00 UPSTREAM ELEVATION = 265.00 DOWNSTREAM ELEVATION = 260.00 ELEVATION DIFFERENCE = 5.00 URBAN SUBAREA OVERLAND TIME OF FLOW(M1NUTES) = 7.241 *CAUTION: SUBAREA FMWLENGTH EXCEEDS COUNTY NOMOGRAPH DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED. ............................................................................ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 5.395 SUBAREA RUNOFF(CFS) = 17.43 TOTAL AREA (ACRES) = 3.40 TOTAL RUNOFF(CFS) = 17.43 ............................................................................ FLOW PROCESS FROM NODE 740.01 TO NODE 740.02 IS CODE = 6 >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< UPSTREAM ELEVATION = 260.00 DOWNSTREAM ELEVATION = 242.00 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) = 36.72 ............................................................................ -_______________________________________------------------------------------ -----_____---___________________________------------------------------------ ' STREET FLOWDEPTH(FEET) = .46 HALFSTREET FLOODWIDTH (FEET) = 16.82 AVERAGE FLOW VELOCITY(FEET/SEC.) = 6.23 - PRODUCT OF DEPTH&VELOCITY = 2.88 STREETFLOW TRAVELTIME(M1N) = 1.07 TC(M1N) = 8.31 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.936 SOIL CLASSIFICATION IS "D" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 SUBAREA AREA(ACRES) = 8.20 SUBAREA RUNOFF(CFS) = 38.45 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .52 HALFSTREET FLOODWIDTH(FEET) = 19.71 FMW VEMCITY(FEET/SEC.) = 6.98 DEPTH*VEMCITY = 3.63 SUMMED AREA(ACRES) = 11.60 TOTAL RUNOFF(CFS) = 55.88 ............................................................................ FLOW PROCESS FROM NODE 740.02 TO NODE 740.03 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< PIPEFMW VELOCITY(FEET/SEC.) = 31.6 UPSTREAM NODE ELEVATION = 243.00 DOWNSTREAM NODE ELEVATION = 227.00 FLOWLENGTH(FEET) = 430.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 55.88 TRAVEL TIME (MIN. ) = .23 TC(M1N.) = 8.54 ............................................................................ --______________________________________------------------------------------ -----__-_--_____________________________------------------------------------ ............................................................................ FLOW PROCESS FROM NODE 740.02 TO NODE 740.03 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ----_______________-____________________------------------_----------------- -----------_-______--------------------------------------------------------- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.851 SOIL CLASSIFICATION IS "D" INDUSTRIAL DEVEMPMENT RUNOFF COEFFICIENT = .9500 SUBAREA AREA(ACRES) = 5.47 SUBAREA RUNOFF(CFS) = 25.21 TOTAL AREA(ACRES) = 17.07 TOTAL RUNOFF(CFS) = 81.08 TC(M1N) = 8.54 ............................................................................ FLOW PROCESS FROM NODE 740.03 TO NODE 740.03 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< ............................................................................ ------_______-------____________________------------------------------------ ------_______-----_-____________________------------------------------------ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 8.54 RAINFALL INTENSITY (INCH./HOUR) = 4.85 TOTAL STREAM AREA (ACRES) = 17.07 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 81.08 TO PAGE -551 - ............................................................................ FLOW PROCESS FROM NODE 740.04 TO NODE 740.05 IS CODE = 7 >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<<< USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(M1N) = 5.00 RAIN INTENSITY(INCH/HOUR) = 6.85 TOTAL AREA(ACRES) = 5.80 TOTAL RUNOFF(CFS) = 37.70 c = .95 L(FT) = 500 s = 2% ............................................................................ ............................................................................ .. Tc = 1.8(1.1 - CIfL)^1/2 = 4.8 USE Tc = 5 MIN. [S( 100) ]~1/3 ............................................................................ FMW PROCESS FROM NODE 740.05 TO NODE 740.03 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< PIPEFLOW VELOCITY(FEET/SEC.) = 21.3 UPSTREAM NODE ELEVATION = 298.00 DOWNSTREAM NODE ELEVATION = 243.40 FLOWLENGTH(FEET) = 780.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 FZPEFLOW THRU SUBAREA(CFS) = 37.70 TRAVEL TIME(M1N.) = .61 TC(M1N.) = 5.61 ............................................................................ --_________________--------------------------------------------------------- -__________________--------------------------------------------------------- ............................................................................ FLOW PROCESS FROM NODE 740.05 TO NODE 740.06 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ - _------_________________________________----------------------------_------ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 6.361 SOIL CLASSIFICATION IS "D" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 SUBAREA AREA(ACRES) = 8.03 SUBAREA RUNOFF(CFS) = 48.52 TOTAL AREA(ACRES) = 13.83 TOTAL RUNOFF(CFS) = 86.22 TC(M1N) = 5.61 ............................................................................ FLOW PROCESS FROM NODE 740.06 TO NODE 740.03 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< PIPEFLOW VELOCITY(FEET/SEC.) = 27.4 UPSTREAM NODE ELeVATION = 250.00 DOWNSTREAM NODE ELEVATION = 235.60 FLOWLENGTH(FEET) = 300.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 86.22 TRAVEL TIME(M1N.) = .18 TC(M1N.) = 5.79 ............................................................................ ............................................................................ >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION (MINUTES) = 5.79 RAINFALL INTENSITY (INCH./HOUR) = 6.23 TOTAL STREAM AREA (ACRES) = 13.83 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 86.22 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) ............................................................................ ............................................................................ 1 81.08 8.54 4.851 2 86.22 5.79 6.231 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 148.21 149.35 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 149.35 TIME (MINUTES) = 5.792 TOTAL AREA (ACRES) = 30.90 ............................................................................ FLOW PROCESS FROM NODE 740.03 TO NODE 740.07 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< ............................................................................ - >>>>>USING USER-SPECIFIED PIPESIZE<<<<< PIPEFLOW VELOCITY(FEET/SEC.) = 30.4 UPSTREAM NODE ELEVATION = 243.40 DOWNSTREAM NODE ELEVATION = 222.40 FLOWLENGTH(FEET) = 350.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 30.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 149.35 TRAVEL TIME(M1N.) = .19 TC(M1N.) = 5.98 ........................................................................... ............................................................................ FLOW PROCESS FROM NODE 740.07 TO NODE 740.08 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< PIPEFLOW VELOCITY(FEET/SEC.) = 21.1 UPSTREAM NODE ELEVATION = 222.40 DOWNSTREAM NODE ELEVATION = 220.75 FLOWLENGTH(FEET) = 150.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 36.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 149.35 TRAVEL TIME(M1N.) = -12 TC(M1N.) = 6.10 ............................................................................ -_-_-__-_ ............................................................................ >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< .............................................................................. 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 6.025 SOIL CLASSIFICATION IS "D" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 SUBAREA AREA(ACRES) = 3.61 SUBAREA RUNOFF(CFS) = 20.66 TOTAL AREA(ACRES) = 34.51 TOTAL RUNOFF(CFS) = 170.01 TC(M1N) = 6.10 ............................................................................ FLOW PROCESS FROM NODE 740.08 TO NODE 740.08 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 6.10 RAINFALL INTENSITY (INCH./HOUR) = 6.02 TOTAL STREAM AREA (ACRES) = 34.51 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 170.01 ............................................................................ ............................................................................ TO PAGE -555- ............................................................................ FLOW PROCESS FROM NODE 740.09 TO NODE 740.09 IS CODE = 7 >>>>>USER SPECIFIED HYDROLOGY INFOFMATION AT NODE<<<<< USER-SPECIFIED VALUES ARE AS FOLLOWS: TOTAL AREA(ACRES) = 1.20 TOTAL RUNOFF(CFS) = 7.80 c = .95 L(FT) = 200 S = 3.8% Tc = 1.8I1.1 - C)ILlA1/2 = 3.8 USE Tc = 5 MIN. ............................................................................ ____________________-------------------------------------------------------- ...................................... - TC(M1N) = 5.00 RAIN INTENSITY(INCH/HOUR) = 6.85 [S (100) ]~1/3 ............................................................................. FLOW PROCESS FROM NODE 740.09 TO NODE 740.10 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. ) = 17.7 UPSTREAM NODE ELEVATION = 315.00 DOWNSTREAM NODE ELEVATION = 235.00 FLOWLENGTH(FEET) = 600.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 7.80 TRAVEL TIME (MIN. ) = .56 TC(M1N.) = 5.56 ............................................................................ ............................................................................ -----__----_____________________________------------------------------------ ............................................................................. FLOW PROCESS FROM NODE 740.10 TO NODE 740.10 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 6.393 SOIL CLASSIFICATION IS "D" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 SUBAREA AREA(ACRES) = 9.90 SUBAREA RUNOFF(CFS) = 60.13 TOTAL AREA(ACRES) = 11.10 TOTAL RUNOFF(CFS) = 67.93 TC(M1N) = 5.56 ............................................................................ FLOW PROCESS FROM NODE 740.10 TO NODE 740.11 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 36.0 INCH PIPE IS 17.6 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 19.7 UPSTREAM NODE ELEVATION = 235.00 DOWNSTREAM NODE ELEVATION = 217.00 FLOWLENGTH(FEET) = 450.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 36.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 67.93 TRAVEL TIME(M1N.) = .38 TC(M1N.) = 5.94 ............................................................................ ___________________------------------_----------------------------_--------- --____________-_-__--------------------------------------------__-_--------- ............................................................................ FLOW PROCESS FROM NODE 740.10 TO NODE 740.11 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ _--__---__--_--_-__-____________________-----------------_-_---------------_ -----__-________________________________------------------------------------ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 6.127 INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 SUBAREA AREA(ACRES) = 31.41 SUBAREA RUNOFF(CFS) = 182.82 TOTAL AREA(ACRES) = 42.51 TOTAL RUNOFF(CFS) = 250.75 TC(M1N) = 5.94 _- SOIL CLASSIFICATION IS 'ID" ............................................................................ FLOW PROCESS FROM NODE 740.11 TO NODE 740.12 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< PIPEFLOW VELOCITY(FEET/SEC.) = 35.5 UPSTREAM NODE ELEVATION = 217.00 DOWNSTREAM NODE ELEVATION = 197.65 FLOWLENGTH(FEET) = 430.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 36.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 250.75 TRAVEL TIME(M1N.) = .20 TC(M1N.) = 6.15 ............................................................................ __________________________________________-------__------------__-__-------- -____________--_________________________------------------------------------ UPSTREAM NODE ELEVATION = 197.65 DOWNSTREAM NODE ELEVATION = 194.65 FLOWLENGTH(FEET) = 250.00 MANNINGS N = .012 PIPEFLOW THRU SUBAREA (CFS) 5 250.75 TRAVEL TIME (MIN. ) = .16 TC(M1N.) = 6.31 - GIVEN PIPE DIAMETER(1NCH) = 42.00 NUMBER OF PIPES = 1 .............................................................................. FLOW PROCESS FROM NODE 740.13 TO NODE 740.08 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< ............................................................................ >>>>>USING USER-SPECIFIED PIPESIZE<<<<< PIPEFLOW VELOCITY(FEET/SEC.) = 26.1 UPSTREAM NODE ELEVATION = 194.65 DOWNSTREAM NODE ELEVATION = 186.25 FLOWLENGTH(FEET) = 420.00 MANNINGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 42.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 250.75 TRAVEL TIME(M1N.) = .27* TC(M1N.) = 6.58 _____________--------------------------------------------------------------- ............................. ............................................................................ FLOW PROCESS FROM NODE 740.11 TO NODE 740.08 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ --------_--__-------------------------------------------------_------------- -----____-___-_--_-------------------------_----------_--------------------- _. 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 5.741 SOIL CLASSIFICATION IS "D" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 SUBAREA AREA(ACRES) = 30.12 SUBAREA RUNOFF(CFS) = 164.27 TOTAL AREA(ACRES) = 72.63 TOTAL RUNOFF(CFS) = 415.02 TC(M1N) = 6.58 ............................................................................ FLOW PROCESS FROM NODE 740.08 TO NODE 740.08 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< ............................................................................ -_---------- .............................................................................. CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(M1NUTES) = 6.58 RAINFALL INTENSITY (INCH./HOUR) = 5.74 TOTAL STREAM AREA (ACRES) = 72.63 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 415.02 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN. ) (INCH/HOUR) ............................................................................ 1 170.01 6.10 6.025 2 415.02 6.58 5.741 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 365.50 577.03 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 577.03 TIME (MINUTES) = 6.575 - TOTAL AREA(ACRES) = 107.14 ............................................................................ FLOW PROCESS FROM NODE 740.08 TO NODE 740.14 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 186.25 DOWNSTREAM NODE ELEVATION = 140.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 700.00 CHANNEL BASE(FEET) = .OO "Z" FACTOR = 8.000 MA"1NGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 577.03 FLOW VELOCITY (FEET/SEC) = 11.02 FLOW DEF?L"(FEET) = 2.56 TRAVEL TIME(M1N.) = 1.06 TC(M1N.) = 7.63 ............................................................................ ________________________________________------------------------------------ ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 740.08 TO NODE 740.14 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 5.214 INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .4500 SUBAREA AREA(ACRES) = 6.24 SUBAREA RUNOFF(CFS) = 14.64 TOTAL AREA(ACRES) = 113.38 TOTAL RUNOFF(CFS) = 591.67 TC(M1N) = 7.63 _. *USER SPECIFIED(SUBAREA): ............................................................................ FLOW PROCESS FROM NODE 740.14 TO MODE 740.14 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< ............................................................................ ............................................................................ ............................................................................ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 7.63 RAINFALL INTENSITY (INCH./HOUR) = 5.21 TOTAL STREAM AREA (ACRES) = 113.38 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 591.67 ............................................................................ FLOW PROCESS FROM NODE 740.15 TO NODE 740.16 IS CODE = 7 >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<<< USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(M1N) = 5.00 RAIN INTENSITY(INCH/HOUR) = 6.85 TOTAL AREA (ACRES) = 4.00 TOTAL RUNOFF(CFS) = 26.00 - c = .95 L(FT) = 400 S = 2.5% ............................................................................ ............................................................................ ............................................................................ TC = 1.8(1.1 - C)(L) -i/2.= 4.0 USE Tc = 5 MIN. [ s ( 100) ] ~1/3 ............................................................................ FLOW PROCESS FROM NODE 740.16 TO NODE 740.17 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< ............................................................................ PIPEFLOW VELOCITY (FEET/SEC. ) = 14.7 UPSTREAM NODE ELEVATION = 205.00 DOWNSTREAM NODE ELEVATION = 170.00 FLOWLENGTH(FEET) = 700.00 MANNINGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 26.00 TRAVEL TIME(M1N.) = .79 TC(M1N.) = 5.79 ............................................................................ FLOW PROCESS FROM NODE 740.16 TO NODE 740.17 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 6.230 SOIL CLASSIFICATION IS "D" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 SUBAREA AREA(ACRES) = 14.32 SUBAREA RUNOFF(CFS) = 84.75 TOTAL AREA(ACRES) = 18.32 TOTAL RUNOFF(CFS) = 110.75 TC(M1N) = 5.79 ............................................................................. FLOW PROCESS FROM NODE 740.17 TO NODE 740.18 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< PIPEFLOW VELOCITY(FEET/SEC.) = 35.3 UPSTREAM NODE ELEVATION = 170.00 DOWNSTREAM NODE ELEVATION = 164.00 FLOWLENGTH(FEET) = 600.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 110.75 TRAVEL TIME(M1N.) = .28 TC(M1N.) = 6.08 ............................................................................ ............................................................................ ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 740.17 TO NODE 740.18 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ___-____________________________________------------------------------------ ............................................................................ _--------_-_____________________________------------------------------------ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 6.041 SOIL CLASSIFICATION IS "D" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 SUBAREA AREA(ACRES) = 9.55 SUBAREA RUNOFF(CFS) = 54.80 TOTAL AREA(ACRES) = 27.87 TOTAL RUNOFF(CFS) = 165.55 - TC(M1N) = 6.08 ............................................................................ FLOW PROCESS FROM NODE 740.18 TO NODE 740.14 IS CODE = 4 ............................................................................ ~ >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 36.0 INCH PIPE IS 19.8 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 41.5 UPSTREAM NODE ELEVATION = 164.00 DOWNSTREAM NODE ELEVATION = 124.00 FLOWLENGTH(FEET) = 250.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 36.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 165.55 TRAVEL TIME(M1N.) = .10 TC(M1N.) = 6.18 ________________---_____________________------------------------------------ ________________________________________------------------------------------ ............................................................................ FLOW PROCESS FROM NODE 740.14 TO NODE 740.14 LS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(M1NUTES) = 6.18 RAINFALL INTENSITY (INCH./HOUR) = 5.98 TOTAL STREAM AREA (ACRES) = 27.87 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 165.55 ............................................................................ ________________________________________------------------------------------ ________________________________________------------------------------------ TO PAGE-560, ............................................................................ DOWNSTREAM ELEVATION = 200.00 ELEVATION DIFFERENCE = 20.00 URBAN SUBAREA OVERLAND TIME OF FLoW(M1NUTES) = 6.512 *CAUTION: SUBAREA FLOWLENGTH EXCEEDS COUNTY NOMOGRAPH DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED. 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 5.777 SUBAREA RUNOFF(CFS) = 28.21 TOTAL AREA(ACRES) = 5.14 TOTAL RUNOFF(CFS) = 28 21 ............................................................................ FLOW PROCESS FROM NODE 740.20 TO NODE 740.21 IS CODE = 6 >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< UPSTREAM ELEVATION = 185.00 DOWNSTREAM ELEVATION = 165.00 STREET LENGTH(FEET) = 250.00 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) = 42.63 ' STREET FLOWDEF'l"(FEET) = .44 HALFSTREET FLOODWIDTH(FEET) = 15.66 AVERAGE FLOW VELOCITY (FEET/SEC. ) = 8.29 PRODUCT OF DEPTH&VELOCITY = 3.64 - STREETFLOW TRAVELTIME (MIN) = .50 TC(M1N) = 7.01 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 5.507 SOIL CLASSIFICATION IS "D" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 SUBAREA AREA(ACRES) = 5.51 SUBAREA RUNOFF(CFS) = 28.82 SUMMED AREA(ACRES) = 10.65 TOTAL RUNOFF(CFS) - 57.03 END OF SUBAREA STREETFLOW HYDRAULICS : DEPTH(FEET) = .47 HALFSTREET FLOODWIDTH(FEET) - 17.40 FLOW VELoCITY(FEET/SEC.) = 9.07 DEFTH*VELOCITY = 4.30 ............................................................................ FLOW PROCESS FROM NODE 740.21 TO NODE 740.22 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< PIPEFLOW VELOCITY(FEET/SEC.) = 14.3 UPSTREAM NODE ELEVATION = 165.00 DOWNSTREAM NODE ELEVATION = 161.50 FLOWLENGTH(FEET) = 450.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 27.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 57.03 ............................................................................ ............................................................................ ............................................................................ - TRAVEL TIME(M1N.) = .52 TC(M1N.) = 7.54 ............................................................................ FLOW PROCESS FROM NODE 740.21 TO NODE 740.22 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 5.257 SOIL CLASSIFICATION IS "D" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 SUBAREA AREA(ACRES) = 6.24 SUBAREA RUNOFF(CFS) = 31.16 TOTAL AREA(ACRES) = 16.89 TOTAL RUNOFF(CFS) = 88.20 TC(M1N) = 7.54 ............................................................................ FLOW PROCESS FROM NODE 740.22 TO NODE 740.14 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< PIPEFLOW VELOCITY(FEET/SEC.) = 22.2 UPSTREAM NODE ELEVATION = 161.50 DOWNSTREAM NODE ELEVATION = 149.10 GIVEN PIPE DIAMETER(1NCH) = 27.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 88.20 TRAVEL TIME(M1N.) = .15 TC(M1N.) = 7.69 ............................................................................ ............................................................................ ............................................................................ - FLOWLENGTH(FEET) = 200.00 MA"1NGS N = .012 ............................................................................ - FLOW PROCESS FROM NODE 740.14 TO NODE 740.14 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) = 7.69 RAINFALL INTENSITY (INCH. /HOUR) = 5.19 TOTAL STREAM AREA (ACRES) = 16.89 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 88.20 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN. ) (INCH/HOUR) ............................................................................ 1 591.67 7.63 5.214 2 165.55 6.18 5.977 3 88.20 7.69 5.191 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 3 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 823.89 TIME (MINUTES) = 7.634 TOTAL AREA(ACRES) = 158.14 823.89 758.28 820.98 ............................................................................ FLOW PROCESS FROM NODE 740.14 TO NODE 740.14 IS CODE = 7 >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<<< USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(M1N) = 32.30 RAIN INTENSITY(INCH/HOUR) = 2.06 * ESTABLISHED BASIN FLOW - BOYLE ENGINEERING, MAR 1981 ............................................................................ ............................................................................ ............................................................................ TOTAL AREA(ACRES) = 158.20 TOTAL RUNOFF(CFS) = 110.00 DRAINAGE STUDY OF THE SIGNAL LANDMARK DEVELOPMENT ............................................................................ FLOW PROCESS FROM NODE 740.14 TO NODE 740.23 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< PIPEFLOW VELOCITY(FEET/SEC.) = 35.0 UPSTREAM NODE ELEVATION = 136.00 DOWNSTREAM NODE ELEVATION = 120.00 FLOWLENGTH(FEET) = 300.00 MANNINGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 TRAVEL TIME (MIN. ) = -14 TC(M1N.) = 32.44 ............................................................................ ............................................................................ ............................................................................ PIPEFLOW THRU SUBAREA(CFS) = 110.00 - ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 740.23 TO NODE 740.26 IS CODE = 4 "CI" >>>>>COMPUTE PIPEFMW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< PIPEFMW VELOCITY(FEET/SEC.) = 26.9 UPSTREAM NODE ELEVATION = 120.00 DOWNSTREAM NODE ELEVATION = 112.30 FLOWLENGTH(FEET) = 200.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 30.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 132.19 TRAVEL TIME(M1N.) = .12 TC(M1N.) = 32.57 * PROPOSED ADDITION OF 30" RCP ............................................................................ ---__-_-----------_------------------------------------ .............................................................................. LINE "CH" ............................................................................ .- FLOW PROCESS FROM NODE 730.01 TO NODE 730.02 IS CODE = 7 ........................................................................... >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<<< USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(M1N) = 5.00 RAIN INTENSITY(INCH/HOUR) = 6.85 TOTAL AREA(ACRES) = 3.70 TOTAL RUNOFF(CFS) = 24.10 -_______________________________________------------------------------------ ............................................................................ c = .95 L(FT) = 250 s = 3.4% TC = 1.811.1 - CI(L1^1/2 = 3.4 USE Tc = 5 MIN. [S (100) ]~1/3 ............................................................................ FLOW PROCESS FROM NODE 730.02 TO NODE 730.03 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 30.0 INCH PIPE IS 12.4 INCHES PIPEFLOW VELOCITY (FEET/SEC. ) = 12.5 UPSTREAM NODE ELEVATION = 245.00 DOWNSTREAM NODE ELEVATION = 237.80 FMWLENGTH(FEET) = 300.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 30.00 NUMBER OF PIPES = 1 PIPEFMW THRU SUBAREA(CFS) = 24.10 TRAVEL TIME (MIN. ) = .40 TC(M1N.) = 5.40 ............................................................................ .............................................................................. - ........................................................................... FLOW PROCESS FROM NODE 730.03 TO NODE 730.04 IS CODE = 4 ............................................................................ >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<c >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 36.0 INCH PIPE IS 10.4 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 14.2 UPSTREAM NODE ELEVATION = 192.80 DOWNSTREAM NODE ELEVATION = 181.60 FLOWLENGTH(FEET) = 320.00 MANNINGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 36.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 24.10 TRAVEL TIME(M1N.) = .38 TC(M1N.) = 5.77 ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 730.02 TO NODE 730.04 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ __________------------------------------------------------------------------ --------------------__ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 6.243 SOIL CLASSIFICATION IS I'D" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 SUBAREA AREA(ACRES) = 11.70 SUBAREA RUNOFF(CFS) = 69.39 TOTAL AREA(,ACRES) = 15.40 TOTAL RUNOFF(CFS) = 93.49 TC(M1N) = 5.77 ............................................................................ FLOW PROCESS FROM NODE 730.04 TO NODE 730.05 IS CODE = 4 SICHI# - ........................................................................... >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 36.0 INCH PIPE IS 22.2 INCHES PIPEFLOW VELOCITY (FEET/SEC. ) = 20.4 UPSTREAM NODE ELEVATION = 181.60 DOWNSTREAM NODE ELEVATION = 150.00 FLOWLENGTH(FEET) = 880.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 36.00 NUMBER OF PIPES = 1 TRAVEL TIME (MIN. ) = .72 TC(M1N.) = 6.49 ..................................... .............................................................................. PIPEFLOW THRU SUBAREA(CFS) = 93.49 ............................................................................ FLOW PROCESS FROM NODE 730.04 TO NODE 730.05 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 5.788 SOIL CLASSIFICATION IS "D" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 SUBAREA AREA(ACRES) = 20.57 SUBAREA RUNOFF(CFS) = 113.11 TOTAL AREA(ACRES) = 35.97 TOTAL RUNOFF(CFS) = 206.60 TC(M1N) = 6.49 - ............................................................................ -562 - FLOW PROCESS FROM NODE 730.05 TO NODE 730.06 IS CODE = 4 IICHII ............................................................................ >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< - >>>>>USING USER-SPECIFIED PIPESIZE<<<<< ........................................................................... ........................................................................... DEPTH OF FLOW IN 42.0 INCH PIPE IS 30.3 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 27.8 UPSTREAM NODE ELEVATION = 150.00 DOWNSTREAM NODE ELEVATION = 110.00 FLOWLENGTH(FEET) = 800.00 MA”1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 42.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 206.60 TRAVEL TIME(M1N.) = .48 TC(M1N.) = 6.97 ............................................................................ FLOW PROCESS FROM NODE 730.05 TO NODE 730.06 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 5.528 SOIL CLASSIFICATION IS “D“ INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 SUBAREA AREA(ACRES) = 13.22 SUBAREA RUNOFF(CFS) = 69.43 TOTAL AREA(ACRES) = 49.19 TOTAL RUNOFF(CFS) = 276.03 TC(M1N) = 6.97 - ............................................................................ FLOW PROCESS FROM NODE 730.06 TO NODE 730.07 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 110.00 DOWNSTREAM NODE ELEVATION = 108.40 ________________________________________------------------------------------ --______________________________________------------------------------------ ............................................................................ CHANNEL LENGTH THRU SUBAREA(FEET) = 80.00 CHANNEL BASE(FEET) = 6.00 “Z” FACTOR = .ooo MA”1NGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 3.00 CHANNEL FLOW THRU SUBAREA(CFS) = 276.03 FLOW VELOCITY(FEET/SEC) = 17.60 FLOW DEPTH(FEET) = 2.61 TRAVEL TIME (MIN. ) = .08 TC(M1N.) = 7.05 ............................................................................ FLOW.PROCESS FROM NODE 720.01 TO NODE 720.02 IS CODE = 7 >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<<< USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(M1N) = 5.00 RAIN INTENSITY(INCH/HOUR) = 6.85 ............................................................................ -----________-------____________________------------------------------------ --___________--_________________________------------------------------------ TOTAL AREA(ACRES) = 2.90 TOTAL RUNOFF(CFS) = 18.90 c = .95 L(FT) = 600 s = 10% Tc = 1.811.1 - C)( Ll^1/2 = 3.1 USE Tc = 5 MIN. .~ [S (100) ]~1/3 ............................................................................ 563 - FLOW PROCESS FROM NODE 720.02 TO NODE 720.03 IS CODE = 6 >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< ............................................................................ ------------===-------------- ............................................................. _-------_-_ UPSTREAM ELEVATION = 168.20 DOWNSTREAM ELEVATION = 140.00 STREET LENGTH(FEET) = 470.00 CURB HEIGTH(1NCHES) = 6. STREET HALFWIDTH(FEET) = 20.00 STREET CROSSFALL(DEC1MAL) = .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 35.80 STREET FLOWDEPTH(FEET) = .44 HALFSTREET FLOODWIDTH(FEET) = 15.66 AVERAGE FLOW VELOCITY(FEET/SEC.) = 6.96 PRODUCT OF DEPTH&VELOCITY = 3.06 STREETFLOW TRAVELTIME(M1N) c 1.13 TC(M1N) = 6.13 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 6.010 SOIL CLASSIFICATION IS 'ID" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 SUBAREA AREA(ACRES) = 5.88 SUBAREA RUNOFF(CFS) = SUMMED AREA(ACRES) = 8.78 TOTAL RUNOFF(CFS) = END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .49 HALFSTREET FLOODWIDTH(FEET) = 17 FLOW VELOCITY(FEET/SEC.) = 7.83 DEPTH*VELOCITY = 33.57 52.47 98 3.80 ............................................................................ FLOW PROCESS FROM NODE 720.03 TO NODE 720.04 IS CODE = 3 ............................................................................ - >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IN 24.0 INCH PIPE IS 17.7 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 21.1 UPSTREAM NODE ELEVATION = 140.00 DOWNSTREAM NODE ELEVATION = 110.00 FLOWLENGTH(FEET) = 500.00 MA"1NGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 52.47 TRAVEL TIME (MIN. ) = .40 TC(M1N.) = 6.52 ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 720.03 TO NODE 720.04 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 5.772 SOIL CLASSIFICATION IS "D" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 SUBAREA AREA(ACRES) = 13.96 SUBAREA RUNOFF(CFS) = 76.55 TOTAL AREA(ACRES) = 22.74 TOTAL RUNOFF(CFS) = 129.02 TC(M1N) = 6.52 c 544- >>>>>COMPUTE PIPEFMW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< ............................................................................ - PIPEFMW VELOCITY(FEET/SEC.) = 26.3 UPSTREAM NODE ELEVATION = 110.00 DOWNSTREAM NODE ELEVATION = 100.00 FLOWLENGTH(FEET) = 400.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 30.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 129.02 TRAVEL TIME(M1N.) = .25 TC(M1N.) = 6.77 ............................................................................ 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 * * ENC2.RES * .......................................................................... * ENCINAS CREEK BASIN (BASIN "C") - LOWER REACH * - 1985 SAN DIEGO MANUAL CRITERIA USER SPECIFIED STORM EVENT(YEAR) = 100.00 6-HOUR DURATION PRECIPITATION (INCHES) = 2.500 SPECIFIED MINIMUM PIPE SIZE(1NCH) = 18.00 SPECIFIED PERCENT OF GRADIENTS(DEC1MAL) TO USE FOR FRICTION SLOPE = .95 SAN DIEGO HYDROLOGY MANUAL "C"-VALUES USED LINE "CF" ............................................................................ FLOW PROCESS FROM NODE 680.01 TO NODE 680.01 IS CODE = 7 ............................................................................ >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<<< USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(M1N) = 14.50 RAIN INTENSITY(INCH/HOUR) = 3.31 TOTAL AREA(ACRES) = 7.60 TOTAL RUNOFF(CFS) = 13.90 Tc = 1.8(1.1 - Cl(L)^1/2 ____________________-------------------------------------------------------- ____________________-------------------------------------------------------- c = .55 L(FT) = 650 s = 5.4% [S (100) 3 ^1/3 ............................................................................ FLOW PROCESS FROM NODE 680.01 TO NODE 680.02 IS CODE = 6 ............................................................................ - >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< UPSTREAM ELEVATION = 335.00 DOWNSTREAM ELEVATION = 260.00 STREET LENGTH(FEET) = 950.00 CURB HEIGTH(1NCHES) = 6. STREET HALFWIDTH(FEET) = 20.00 STREET CROSSFALL(DEC1MAL) = .0200 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 23.79 STREET FLOWDEPTH(FEET) = .37 HALFSTREET FLOODWIDTH (FEET) = 12.2 0 AVERAGE FLOW VELOCITY(FEET/SEC.) = 7.41 PRODUCT OF DEPTH&VELOCITY = 2.74 - SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 STREETFLOW TRAVELTIME(M1N) = 2.14 TC(M1N) = 16.64 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.033 SOIL CLASSIFICATION IS I'D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 11.90 SUBAREA RUNOFF(CFS) = 19.85 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH (FEET) = .42 HALFSTREET FLoODWIDTH(FEET) = 14.51 FLOW VELOCITY(FEET/SEC.) = 7.59 DEPTH*VELOCITY = 3.16 SUMMED AREA(ACRES) = 19.50 TOTAL RUNOFF(CFS) = 33.75 ............................................................................ FLOW PROCESS FROM NODE 680.02 TO NODE 680.03 IS CODE = 3 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IN 21.0 INCH PIPE IS 13.2 INCHES PIPEFMW VELOCITY(FEET/SEC.) = 21.2 DOWNSTREAM NODE ELEVATION = 205.00 FLOWLENGTH(FEET) = 700.00 MA"1NGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 21.00 NUMBER OF PIPES = 1 TRAVEL TIME(M1N.) = .55 TC(M1N.) = 17.19 ............................................................................ ....................................................... ............................................................................ '- UPSTREAM NODE ELEVATION = 260.00 PIPEFMW THRU SUBAREA(CFS) = 33.75 ............................................................................ FLOW PROCESS FROM NODE 680.03 TO NODE 680.03 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ ------_----------___-------------------------------------------------------- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.970 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 35.00 SUBAREA RUNOFF(CFS) = 57.18 TOTAL AREA(ACRES) = 54.50 TOTAL RUNOFF(CFS) = 90.93 TC(M1N) = 17.19 UPSTREAM NODE ELEVATION = 205.00 DOWNSTREAM NODE ELEVATION = 175.00 FLOWLENGTH(FEET) = 700.00 MA"1NGS N = .012 PIPEFLOW THRU SUBAREA(CFS) = 90.93 TRAVEL TIME(M1N.) = .54 TC(M1N.) = 17.73 - ESTIMATED PIPE DIAMETER(1NCH) = 33.00 NUMBER OF PIPES = 1 ............................................................................ FLOW PROCESS FROM NODE 680.04 TO NODE 680.04 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ -_________------------------------------------------------------------------ __________---___-__--------------------------------------------------------- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.912 SOIL CLASSIFICATION IS "C" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5000 SUBAREA AREA(ACRES) = 40.80 SUBAREA RUNOFF(CFS) = 59.40 TOTAL AREA(ACRES) = 95.30 TOTAL RUNOFF(CFS) = 150.33 TC(M1N) = 17.73 ............................................................................ FLOW PROCESS FROM NODE 680.04 TO NODE 680.05 IS CODE = 3 IICFII ............................................................................ >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IN -39.0 INCH PIPE IS 29.5 INCHES - PIPEFLOW VELOCITY(FEET/SEC.) = 22.3 UPSTREAM NODE ELEVATION = 175.00 DOWNSTREAM NODE ELEVATION = 140.00 FLOWLENGTH(FEET) = 1000.00 MA"1NGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 39.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 150.33 TRAVEL TIME (MIN. ) = .75 TC(M1N.) = 18.47 -------______-_------------------------------------------------------------- ---__________-------____________________------__---------------------------- ............................................................................ FLOW PROCESS FROM NODE 680.04 TO NODE 680.05 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ -_________-________-____________________------------_----------------------- ___________________-____________________-------_---------------------------- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.835 SOIL CLASSIFICATION IS 'IC" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5000 SUBAREA AREA(ACRES) = 28.47 SUBAREA RUNOFF(CFS) = 40.36 TOTAL AREA(ACRES) = 123.77 TOTAL RUNOFF(CFS) = 190.69 TC(M1N) = 18.47 ............................................................................ FLOW PROCESS FROM NODE 680.05 TO NODE 680.08 IS CODE = 3 "CF" >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< ............................................................................ ~ >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< -----____------_____------------------------------------------------------- DEPTH OF FLOW IN 45.0 INCH PIPE IS 34.8 INCHES PIPEFLDW VELOCITY(FEET/SEC.) = 20.8 UPSTREAM NODE ELEVATION = 140.00 DOWNSTREAM NODE ELEVATION = 115.00 ESTIMATED PIPE DIAMETER(1NCH) = 45.00 NUMBER OF PIPES = 1 PIPEFMW THRU SUBAREA(CFS) = 190.69 TRAVEL TIME(M1N.) = .80 TC(M1N.) = 19.28 - FLOWLENGTH(FEET) = 1000.00 WNINGS N = .012 ............................................................................ FLOW PROCESS FROM NODE 680.05 TO NODE 680.08 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ---------L==--------------------------------------- ................................................................ --------- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.758 SOIL CLASSIFICATION IS "C" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5000 SUBAREA AREA(ACRES) = 30.17 SUBAREA RUNOFF(CFS) = 41.61 TOTAL AREA(ACRES) = 153.94 TOTAL RUNOFF(CFS) = 232.30 TC(M1N) = 19.28 ............................................................................ FLOW PROCESS FROM NODE 680.08 TO NODE 680.08 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< ............................................................................ ____________________-------------------------------------------------------- ............................................................................ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: RAINFALL INTENSITY (INCH./HOUR) = 2.76 TOTAL STREAM AREA (ACRES) = 153.94 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 232.30 - TIME OF CONCENTRATION(M1NUTES) = 19.28 TO PAGE - p0- ..................................................................... ****** FMW PROCESS FROM NODE 680.06 TO NODE 680.06 IS CODE = 7 >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<<< USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(M1N) = 12.80 RAIN INTENSITY(INCH/HOUR) = 3.59 c = .55 L(FT) = 400 S = 3.8% TC = 1.811.1 - C)[L)^1/2 ............................................................................ ............................................................................ ............................................................................ TOTAL AREA(ACRES) = 1.00 TOTAL RUNOFF(CFS) = 2.00 [S (100) ] -1/3 ............................................................................ FLOW PROCESS FROM NODE 680.06 TO NODE 680.07 IS CODE = 6 >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< UPSTREAM ELEVATION = 295.00 DOWNSTREAM ELEVATION = 150.00 STREET LENGTH(FEET) = 1700.00 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) = 21.75 STREET FLOWDEPTH(FEET) = .36 - 564- HALFSTREET FLOODWIDTH(FEET) = 11.62 AVERAGE FLOW VELOCITY(FEET/SEC.) = 7.41 PRODUCT OF DEPTH&VELOCITY = 2.66 - STREETFLOW TRAVELTIME(M1N) = 3.82 TC(M1N) = 16.62 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.035 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 23.70 SUBAREA RUNOFF(CFS) = 39.56 SUMMED AREA(ACRES) = 24.70 TOTAL RUNOFF(CFS) = 41.56 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .43 HALFSTREET FLOODWIDTH(FEET) = 15.09 FLOW VELOCITY(FEET/SEC.) = 8.68 DEPTH*VELOCITY = 3.71 ............................................................................ FLOW PROCESS FROM NODE 680.07 TO NODE 680.08 IS CODE = 3 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IN 24.0 INCH PIPE IS 16.1 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 18.6 UPSTREAM NODE ELEVATION = 150.00 DOWNSTREAM NODE ELEVATION = 115.00 FLOWLENGTH(FEET) = 720.00 MA"1NGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 41.56 ............................................................................ ------------_______----------------------------------------_---------------- ----------_________-____________________------------------------------------ - TRAVEL TIME(M1N.) = .65 TC(M1N.) = 17.27 ............................................................................ FLOW PROCESS FROM NODE 680.07 TO NODE 680.08 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ________________________________________------------------------------------ -----________--------------------------------------------------------------- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.961 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 15.03 SUBAREA RUNOFF(CFS) = 24.48 TOTAL AREA(ACRES) = 39.73 TOTAL RUNOFF(CFS) = 66.04 TC(M1N) = 17.27 ............................................................................ FLOW PROCESS FROM NODE 680.08 TO NODE 680.08 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(M1NUTES) = 17.27 RAINFALL INTENSITY (INCH. /HOUR) = 2.96 TOTAL STREAM AREA (ACRES) = 39.73 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 66.04 ............................................................................ ----______---______--------------------------------_------------------------ --_________________-____________________------__------------------_--------- - CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER ( CFS ) (MIN.) (INCH/HOUR) ............................................................................ - 1 232.30 19.28 2.758 2 66.04 17.27 2.961 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 293.82 TIME(M1NUTES) = 19.277 TOTAL AREA (ACRES) = 193.67 293.82 282.43 ............................................................................ FLOW PROCESS FROM NODE 680.08 TO NODE 680.09 IS CODE = 3 "CF" >>>>>COMPUTE PIPEFMW TRAVELTIME THRU SUBAREA<<<<< ____________c------_-------------------------------------------------------- >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IN 51.0 INCH PIPE IS 39.3 INCHES PIPEFMW VELOCITY(FEET/SEC.) = 25.1 UPSTREAM NODE ELEVATION = 115.00 DOWNSTREAM NODE ELEVATION = 95.00 FMWLENGTH(FEET) = 650.00 MA"1NGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 51.00 NUMBER OF PIPES = 1 PIPEFMW THRU SUBAREA(CFS) = 293.82 TRAVEL TIME(M1N.) = .43 TC(M1N.) = 19.71 ------------ ............................................................................ - ............................................................................. FLOW PROCESS FROM NODE 680.08 TO NODE 680.09 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.719 SOIL CLASSIFICATION IS "C" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5000 SUBAREA AREA(ACRES) = 17.80 SUBAREA RUNOFF(CFS) = 24.20 TOTAL AREA(ACRES) = 211.47 TOTAL RUNOFF(CFS) = 318.02 TC(M1N) = 19.71 * TO ENCINAS CREEK LINE "CN" ............................................................................ FLOW PROCESS FROM NODE 690.01 TO NODE 690.01 IS CODE = 7 >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<<< USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(M1N) = 5.00 RAIN INTENSITY(INCH/HOUR) = 6.59 TOTAL AREA (ACRES) = .70 TOTAL RUNOFF(CFS) = 4.60 c = .95 L(FT) = 250 S = 6% TC = 1.8(1.1 - C)fL)^1/2 = 2.4 USE Tc = 5 MIN. ............................................................................ -------______-______-------_--------_--------_------------------------------ ----____________________________________-----------__--------_-------------- [ S (100) ] ^1/3 ........................................................................... FLOW PROCESS FROM NODE 690.01 TO NODE 690.02 IS CODE = 6 ............................................................................ >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< ............................. ................................................................................. - UPSTREAM ELEVATION = 225.00 DOWNSTREAM ELEVATION = 95.00 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) = 45.67 STREET FLOWDEPTH(FEET) = .42 HALFSTREET FLOODWIDTH(FEET) = 14.51 AVERAGE FLOW VELOCITY(FEET/SEC.) = 10.27 PRODUCT OF DEPTH&VEMCITY = 4.28 STREETFLOW TRAVELTIME (MIN) 1.62 TC(M1N) = 6.62 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 5.495 SOIL CLASSIFICATION IS "D" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 SUBAREA AREA(ACRES) = 15.60 SUBAREA RUNOFF(CFS) = 81.43 SUMMED AREA(ACRES) = 16.30 TOTAL RUNOFF(CFS) = 86.03 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .50 HALFSTREET FLOODWIDTH(FEET) = 18.55 FLOW VELOCITY(FEET/SEC.) = 12.08 DEPTH*VELOCITY = 6.01 ............................................................................ FLOW PROCESS FROM NODE 690.02 TO NODE 680.11 IS CODE = 4 nlCNll ............................................................................ >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 36.0 INCH PIPE IS 23.8 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 17.4 UPSTREAM NODE ELEVATION = 95.00 DOWNSTREAM NODE ELEVATION = 80.00 FLOWLENGTH(FEET) = 600.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 36.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 86.03 TRAVEL TIME(M1N.) = .58 TC(M1N.) = 7.20 * 500' OF PROPOSED 36" RCP * TO ENCINAS CREEK ........................................................................... - LINE "CO" ............................................................................ FLOW PROCESS FROM NODE 690.04 TO NODE 690.05 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< SOIL CLASSIFICATION IS "D" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 ............................................................................ ............................. ............................................................................ NATURAL WATERSHED NOMOGRAPH TIME OF CONCENTRATION WITH 10-MINUTES ADDED = 13.79(MINUTES) INITIAL SUBAREA FLOW-LENGTH(FEET) = 1050.00 UPSTREAM ELEVATION = 272.00 DOWNSTREAM ELEVATION = 150.00 ELEVATION DIFFERENCE = 122.00 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.423 SUBAREA RUNOFF(CFS) = 18.50 TOTAL AREA (ACRES) = 5.69 TOTAL RUNOFF(CFS) = 18.50 - 572- * MOSTLY STEEP SLOPES ............................................................................ - FLOW PROCESS FROM NODE 690.04 TO NODE 690.05 IS CODE = 4 ........................................................................... >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 24.0 INCH PIPE IS 8.9 INCHES PIPEFLOW VELOCITY (FEET/SEC. ) = 17.5 UPSTREAM NODE ELEVATION = 150.00 DOWNSTREAM NODE ELEVATION = 122.00 FLOWLENGTH(FEET) = 400.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 18.50 TRAVEL TIME(M1N.) = .38 TC(M1N.) = 14.17 ............................................................................ FLOW PROCESS FROM NODE 690.04 TO NODE 690.05 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.364 SOIL CLASSIFICATION IS "D" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 SUBAREA AREA (ACRES) = 3.39 SUBAREA RUNOFF(CFS) = 10.83 TOTAL AREA (ACRES) = 9.68 TOTAL RUNOFF(CFS) = 29.34 TC(M1N) = 14.17 - ............................................................................ FLOW PROCESS FROM NODE 690.05 TO NODE 690.06 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 27.0 INCH PIPE IS 13.1 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 15.3 UPSTREAM NODE ELEVATION = 122.00 DOWNSTREAM NODE ELEVATION = 111.32 FLOWLENGTH(FEET) = 300.00 MANNINGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 27.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 29.34 TRAVEL TIME (MIN. ) = .33 TC(M1N.) = 14.50 ............................................................................ ............................................................................ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.315 SOIL CLASSIFICATION IS 'IDav - INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 SUBAREA AREA(ACRES) = 14.80 SUBAREA RUNOFF(CFS) = 46.60 TOTAL AREA(ACRES) = 23.88 TOTAL RUNOFF(CFS) = 75.94 -533 - TC(M1N) = 14.50 ............................................................................ FLOW PROCESS FROM NODE 690.06 TO NODE 690.08 IS CODE = 3 IICOII >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IN 33.0 INCH PIPE IS 22.4 INCHES PIPEFLOW VELOCITY (FEET/SEC. ) = 17.7 UPSTREAM NODE ELEVATION = 105.00 DOWNSTREAM NODE ELEVATION = 95.00 FLOWLENGTH(FEET) = 350.00 MA"1NGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 33.00 NUMBER OF PIPES = 1 TRAVEL TIME(M1N.) = .33 TC(M1N.) = 14.83 ............................................................................ ............................................................................ ............................................................................ PIPEFLOW THRU SUBAREA(CFS) = 75.94 ............................................................................ FLOW PROCESS FROM NODE 690.06 TO NODE 690.08 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.267 SOIL CLASSIFICATION IS 'ID" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 SUBAREA AREA(ACRES) = 6.55 SUBAREA RUNOFF(CFS) = 20.33 TOTAL AREA(ACRES) = 30.43 TOTAL RUNOFF(CFS) = 96.27 TC(M1N) = 14.83 - ............................................................................ FLOW PROCESS FROM NODE 690.08 TO NODE 690.09 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 48.0 INCH PIPE IS 27.8 INCHES PIPEFLOW VELOCITY (FEET/SEC. ) = 12.8 UPSTREAM NODE ELEVATION = 95.00 DOWNSTREAM NODE ELEVATION = 93.80 FLOWLENGTH(FEET) = 120.00 MANNINGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 48.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 96.27 TRAVEL TIME (MIN. ) = .16 TC(M1N.) = 14.99 ............................................................................ ............................................................................ ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 690.09 TO NODE 680.12 IS CODE = 4 IICOII >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< ............................................................................ DEPTH OF FLOW IN 48.0 INCH PIPE IS 20.0 INCHES PIPEFLOW VELOCITY (FEET/SEC. ) = 19.4 UPSTREAM NODE ELEVATION = 93.80 - 53k DOWNSTREAM NODE ELEVATION = 80.00 FLOWLENGTH(FEET) = 450.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 48.00 NUMBER OF PIPES = 1 TRAVEL TIME(M1N.) = .39 TC(M1N.) = 15.37 * TO ENCINAS CREEK ,- PIPEFLOW THRU SUBAREA(CFS) = 96.27 LINE "CD" ............................................................................ FLOW PROCESS FROM NODE 670.10 TO NODE 670.11 IS CODE = 7 >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<<< ............................................................................ USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(M1N) = 5.00 RAIN INTENSITY(INCH/HOUR) = 6.59 TOTAL AREA(ACRES) = 6.50 TOTAL RUNOFF(CFS) = 42.30 c = .95 L(FT) = 750 s = 12% .. TC = 1.8(1.1 - C)(L)-1/2 = 3.3 [s(100)]-1/3 USE Tc = 5 MIN. ............................................................................ FLOW PROCESS FROM NODE 670.11 TO NODE 670.12 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 24.0 INCH PIPE IS 16.1 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 18.9 UPSTREAM NODE ELEVATION = 85.00 DOWNSTREAM NODE ELEVATION = 80.00 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 42.30 TRAVEL TIME(M1N.) = .09 TC(M1N.) = 5.09 * TO ENCINAS CREEK ............................................................................ ________________________________________------------------------------------ ________________________________________------------------------------------ - FLOWLENGTH(FEET) = 100.00 MA"1NGS N = .012 ............................................................................ FLOW PROCESS FROM NODE 670.01 TO NODE 670.01 IS CODE = 7 >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<<< USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(M1N) = 5.00 RAIN INTENSITY(INCH/HOUR) = 6.59 TOTAL AREA(ACRES) = 13.10 TOTAL RUNOFF(CFS) = 85.30 c = .95 L(FT) = 1000 s = 10% ............................................................................ --___________----_-_____________________------------------------------------ ________________________________________------------------------------------ TC = i.8(i.i - c,1L)-i/2 = 4 USE TC = 5 MIN. [S (100) ] -1/3 ............................................................................ FLOW PROCESS FROM NODE 670.01 TO NODE 670.02 IS CODE = 3 IlCDll ............................................................................ >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IN 30.0 INCH PIPE IS 22.4 INCHES .- PIPEFLOW VELOCITY(FEET/SEC.) = 21.7 UPSTREAM NODE ELEVATION = 135.00 DOWNSTREAM NODE ELEVATION = 95.00 _-______________________________________------------------------------------ ________-______------------------------------------------------------------- - 575- FLOWLENGTH(FEET) = 850.00 MANNINGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 30.00 NUMBER OF PIPES = 1 PIPEFMW THRU SUBAREA(CFS) = 85.30 - TRAVEL TIME(M1N.) = .65 TC(M1N.) = 5.65 ............................................................................ FLOW PROCESS FROM NODE 670.02 TO NODE 670.02 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 6.085 SOIL CLASSIFICATION IS "D" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 SUBAREA AREA(ACRES) = 20.60 SUBAREA RUNOFF(CFS) = 119.09 TOTAL AREA(ACRES) = 33.70 TOTAL RUNOFF(CFS) = 204.39 TC(M1N) = 5.65 ............................................................................ FLOW PROCESS FROM NODE 670.02 TO NODE 670.03 IS CODE = 3 IICDII ............................................................................ >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IN 42.0 INCH PIPE IS 33.1 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 25.2 UPSTREAM NODE ELEVATION = 95.00 DOWNSTREAM NODE ELEVATION = 75.00 FLOWLENGTH(FEET) = 500.00 MA"1NGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 42.00 NUMBER OF PIPES = 1 PIPEFMW THRU SUBAREA(CFS) = 204.39 TRAVEL TIME(M1N.) = .33 TC(M1N.) = 5.98 ....................................................... ............................................................................ - ............................................................................ FLOW PROCESS FROM NODE 670.03 TO NODE 670.03 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 5.866 SOIL CLASSIFICATION IS "D" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 SUBAREA AREA(ACRES) = 7.10 SUBAREA RUNOFF(CFS) = 39.56 TOTAL AREA(ACRES) = 40.80 TOTAL RUNOFF(CFS) = 243.95 TC(M1N) = 5.98 ............................................................................ FLOW PROCESS FROM NODE 670.03 TO NODE 670.03 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< ............................................................................ ............................................................................ ________________________________________------------------------------------ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: RAINFALL INTENSITY (INCH./HOUR) = 5.87 TOTAL STREAM AREA (ACRES) = 40.80 - TIME OF CONCENTRATION(M1NUTES) = 5.98 c 5%- TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 243.95 - TO PAGE - 5 3 g- ........................................................................... FLOW PROCESS FROM NODE 670.05 TO NODE 670.06 IS CODE = 7 >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<<< ............................................................................ ............................................................................ USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(M1N) = 5.00 RAIN INTENSITY(INCH/HOUR) = 6.59 TOTAL AREA(ACRES) = 1.60 TOTAL RUNOFF(CFS) = 10.40 c = .95 L(FT) = 400 S = 6% TC = 1.8(1.1 - C)fL)^1/2 = 3 USE TC = 5 MIN. [ s ( 100) ] - 1/3 ............................................................................ FLOW PROCESS FROM NODE 670.06 TO NODE 670.07 IS CODE = 6 >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< UPSTREAM ELEVATION = 200.00 DOWNSTREAM ELEVATION = 100.00 STREET LENGTH(FEET) = 1300.00 CURB HEIGTH(1NCHES) 5 6. STREET HALFWIDTH(FEET) = 20.00 STREET CROSSFALL(DEC1MAL) = .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 37.82 STREET FLOWDEPTH (FEET) = .43 HALFSTREET FLOODWIDTH (FEET) = 15.09 AVERAGE FLOW VELOCITY (FEET/SEC. ) = 7.90 ............................................................................ ....................................................... ............................................................................ - PRODUCT OF DEPTH&VELOCITY = 3.38 STREETFLOW TRAVELTIME(M1N) = 2.74 TC(M1N) = 7.74 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.968 SOIL CLASSIFICATION IS I'D" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 SUBAREA AREA(ACRES) = 11.40 SUBAREA RUNOFF(CFS) = 53.80 SUMMED AREA(ACRES) = 13.00 TOTAL RUNOFF(CFS) = 64.20 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .50 HALFSTREET FLOODWIDTH(FEET) = 18.55 FLOW VELOCITY(FEET/SEC.) = 9.01 DEPTH*VELOCITY = 4.48 . ............................................................................ FLOW PROCESS FROM NODE 670.08 TO NODE 670.07 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ -----___---_________------_------------------------------------------------- -----___--__________-------------------------------------------------------- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.968 SOIL CLASSIFICATION IS 'IDV1 INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 SUBAREA AREA(ACRES) = 8.10 SUBAREA RUNOFF(CFS) = 38.23 TOTAL AREA(ACRES) = 21.10 TOTAL RUNOFF(CFS) = 102.43 TC(M1N) = 7.74 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< --___________-----_-____________________-----____-----------_--------------- _____________--_-________________________---_----------__--------_---------- _- DEPTH OF FLOW IN 36.0 INCH PIPE IS 24.3 INCHES PIPEFLOW VEMCITY(FEET/SEC.) = 20.2 UPSTREAM NODE ELEVATION = 95.00 DOWNSTREAM NODE ELEVATION = 75.00 FLOWLENGTH(FEET) = 600.00 MA"1NGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 36.00 NUMBER OF PIPES = 1 PIPEFMW THRU SUBAREA(CFS) = 102.43 TRAVEL TIME(M1N.) = .50 TC(M1N.) = 8.24 ............................................................................ FLOW PROCESS FROM NODE 670.03 TO NODE 670.03 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ________________________________________------------------------------------ ---__________--------------------------------------------------------------- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.773 SOIL CLASSIFICATION IS "D" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 SUBAREA AREA(ACRES) = 4.00 SUBAREA RUNOFF(CFS) = 18.14 TOTAL AREA(ACRES) = 25.10 TOTAL RUNOFF(CFS) = 120.57 TC(M1N) = 8.24 ............................................................................ FLOW PROCESS FROM NODE 670.03 TO NODE 670.03 IS CODE = 1 ............................................................................ - >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(M1NUTES) = 8.24 RAINFALL INTENSITY (INCH./HOUR) = 4.77 TOTAL STREAM AREA (ACRES) = 25.10 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 120.57 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER ( CFS ) (MIN. ) (INCH/HOUR) _________--________------------------------------------_-------------------- ___________________-----------------_--------------------------------------- ............................................................................ 1 243.95 5.98 5.866 2 120.57 8.24 4.773 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 342.06 TIME (MINUTES) = 5.985 TOTAL AREA(ACRES) = 65.90 342.06 319.08 ..................................................................... - FLOW PROCESS FROM NODE 670.03 TO NODE 670.04 IS CODE 4 IICDII ........................................................................... >>>>>COMPUTE PIPEFMW TRAVELTIME THRU SUBAREA<<<<< - 578- >>>>>USING USER-SPECIFIED PIPESIZE<<<<< ................................................................................ -- DEPTH OF FLOW IN 48.0 INCH PIPE IS 33.5 INCHES PIPEFLOW VELOCITY (FEET/SEC. ) = 18.3 UPSTREAM NODE ELEVATION = 75.00 DOWNSTREAM NODE ELEVATION = 64.00 FLOWLENGTH(FEET) = 600.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 48.00 NUMBER OF PIPES = 2 PIPEFLOW THRU SUBAREA(CFS) = 342.06 TRAVEL TIME(M1N.) = .55 TC(M1N.) = 6.53 * 500' OF PROPOSED 2 - 48" RCP * TO ENCINAS CREEK LINE 9'CE'9 ............................................................................ FLOW PROCESS FROM NODE 650.06 TO NODE 650.06 IS CODE = 7 >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<<< USER-SPECIFIED VALUES ARE AS FOLLOWS: TC (MIN) = 9.30 RAIN INTENSITY (INCH/HOUR) = 4.41 TOTAL AREA(ACRES) = 3.50 TOTAL RUNOFF(CFS) = 8.50 c = .55 L(FT) = 400 s = 10% ............................................................................ ________________________________________------------------------------------ ............................................................................ TC = i.a(i.1 - c](L)-i/2 [S (100) ] - 1/3 ............................................................................ FLOW PROCESS FROM NODE 650.06 TO NODE 650.01 IS CODE = 6 >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< UPSTREAM ELEVATION = 245.00 DOWNSTREAM ELEVATION = 165.00 STREET LENGTH(FEET) = 900.00 CURB HEIGTH(1NCHES) = 6. STREET HALFWIDTH(FEET) = 20.00 STREET CROSSFALL(DEC1MAL) = .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 23.35 STREET FLOWDEPTH (FEET) = .37 HALFSTREET FLOODWIDTH(FEET) = 12.20 AVERAGE FLOW VELOCITY(FEET/SEC.) = 7.27 PRODUCT OF DEPTH&VELOCITY = 2.69 - ........................................................................... _____----_____-------------------------------------------------------------- ________________________________________------------------_----------------- STREETFLOW TRAVELTIME(M1N) = 2.06 TC(M1N) = 11.36 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.879 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 13.80 SUBAREA RUNOFF(CFS) = 29.44 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH (FEET) = .42 HALFSTREET FLOODWIDTH (FEET) = 14.51 FLOW VELOCITY(FEET/SEC.) = 8.53 DEPTH*VELOCITY = 3.55 SUMMED AREA(ACRES) = 17.30 TOTAL RUNOFF(CFS) = 37.94 ............................................................................ - FLOW PROCESS FROM NODE 650.01 TO NODE 650.02 IS CODE = 3 ........................................................................... >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< ........................................................................... DEPTH OF FLOW IN 24.0 INCH PIPE IS 14.9 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 18.5 DOWNSTREAM NODE ELEVATION = 130.00 FLOWLENGTH(FEET) = 700.00 MANNINGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 TRAVEL TIME (MIN. ) = .63 TC(M1N.) = 11.99 __ UPSTREAM NODE ELEVATION = 165.00 PIPEFMW THRU SUBAREA(CFS) = 37.94 ............................................................................ FLOW PROCESS FROM NODE 650.02 TO NODE 650.03 IS CODE = 3 "CDA" >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IN 30.0 INCH PIPE IS 22.6 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 20.0 UPSTREAM NODE ELEVATION = 130.00 DOWNSTREAM NODE ELEVATION = 100.00 FLOWLENGTH(FEET) = 750.00 MA"1NGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 30.00 NUMBER OF PIPES = 1 TRAVEL TIME(M1N.) = .62 TC(M1N.) = 12.62 ............................................................................ . ........................................................................... PIPEFLOW THRU SUBAREA(CFS) = 79.35 ............................................................................ FLOW PROCESS FROM NODE 650.02 TO NODE 650.03 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ _----___-----___________________________------------------------------------ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.625 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 21.52 SUBAREA RUNOFF(CFS) = 42.91 TOTAL AREA(ACRES) = 58.92 TOTAL RUNOFF(CFS) = 122.26 TC(M1N) = 12.62 ............................................................................ - FLOW PROCESS FROM NODE 650.03 TO NODE 650.04 IS CODE = 3 IICEII .-------------------------------------------------------------------------- >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLQW)<<<<< ----_----__---_____-____________________------------------------------------ --_-----____-______-____________________------------------------------------ DEPTH OF FLOW IN 36.0 INCH PIPE IS 28.8 INCHES - PIPEFLOW VELOCITY(FEET/SEC.) = 20.2 UPSTREAM NODE ELEVATION = 100.00 DOWNSTREAM NODE ELEVATION = 70.00 FLQWLENGTH(FEET) = 950.00 MA"1NGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 36.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 122.26 TRAVEL TIME(M1N.) = .78 TC(M1N.) = 13.40 * TO ENCINAS CREEK LINE "CC" ............................................................................. FLOW PROCESS FROM NODE 660.01 TO NODE 660.01 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< SOIL CLASSIFICATION IS "D" ............................................................................ ________________________________________------------------------------------ ............................................................................ COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8500 INITIAL SUBAREA FLOW-LENGTH(FEET) = 1000.00 UPSTREAM ELEVATION = 186.00 DOWNSTREAM ELEVATION = 177.00 ELEVATION DIFFERENCE = 9.00 URBAN SUBAREA OVERLAND TIME OF FLOW(M1NUTES) = 15.122 *CAUTION: SUBAREA FLOWLENGTH EXCEEDS COUNTY NOMOGRAPH DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED. 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.226 SUBAREA RUNOFF (CFS) = 41.30 TOTAL AREA (ACRES) = 15.06 TOTAL RUNOFF(CFS) = 41.30 ............................................................................ FLOW PROCESS FROM NODE 660.01 TO NODE 660.02 IS CODE = 3 IICCII >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IN 42.0 INCH PIPE IS 34.1 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 4.9 UPSTREAM NODE ELEVATION = 177.00 DOWNSTREAM NODE ELEVATION = 176.00 FLOWLENGTH(FEET) = 650.00 MANNINGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 42.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 41.30 TRAVEL TIME(M1N.) = 2.19 TC(M1N.) = 17.32 ............................................................................ ............................................................................ ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 660.01 TO NODE 660.02 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ .. 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.956 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .7000 SUBAREA AREA(ACRES) = 22.77 SUBAREA RUNOFF(CFS) = 47.12 - 557'- ............................................................................ FLOW PROCESS FROM NODE 660.02 TO NODE 660.03 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.803 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .7000 TOTAL AREA(ACRES) = 72.72 TOTAL RUNOFF(CFS) = 156.88 TC(M1N) = 18.80 . SUBAREA AREA(ACRES) = 34.89 SUBAREA RUNOFF(CFS) = 68.47 ............................................................................ FLOW PROCESS FROM NODE 660.03 TO NODE 660.04 IS CODE = 4 llccll >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 42.0 INCH PIPE IS 31.9 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 20.0 UPSTREAM NODE ELEVATION = 166.00 DOWNSTREAM NODE ELEVATION = 143.00 FLOWLENGTH(FEET) = 900.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 42.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 156.88 TRAVEL TIME(M1N.) = .75 TC(M1N.) = 19.55 ............................................................................ ............................................................................ ............................................................................ SUBAREA AREA(ACRES) = 23.63 SUBAREA RUNOFF(CFS) = 51.68 TOTAL AREA(ACRES) = 96.35 TOTAL RUNOFF(CFS) = 208.56 TC(M1N) = 19.55 - ............................................................................ FLOW PROCESS FROM NODE 660.04 TO NODE 660.05 IS CODE = 4 IICCII >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 42.0 INCH PIPE IS 28.5 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 30.1 UPSTREAM NODE ELEVATION = 143.00 DOWNSTREAM NODE ELEVATION = 95.00 FLOWLENGTH(FEET) = 800.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 42.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 208.56 TRAVEL TIME(M1N.) = .44 TC(M1N.) = 19.99 ............................................................................ _____________--------------------------------------------------------------- ______________---__-____________________------------------------------------ ............................................................................ FLOW PROCESS FROM NODE 660.04 TO NODE 660.05 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ --________------------------------------------------------------------------ ___________________--------------------------------------------------------- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.694 SOIL CLASSIFICATION IS IUDi' COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8500 SUBAREA AREA(ACRES) = 20.10 SUBAREA RUNOFF(CFS) = 46.03 TOTAL AREA(ACRES) = 116.45 TOTAL RUNOFF(CFS) = 254.59 TC(M1N) = 19.99 - ............................................................................ FLOW PROCESS FROM NODE 660.05 TO NODE 660.06 IS CODE = 3 IICCII >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IN 51.0 INCH PIPE IS 40.7 INCHES PIPEFLOW VELX)CITY(FEET/SEC.) = 21.0 UPSTREAM NODE ELEVATION = 95.00 DOWNSTREAM NODE ELEVATION = 80.00 FLOWLENGTH(FEET) = 700.00 MA"1NGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 51.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 254.59 TRAVEL TIME (MIN. ) = .56 TC(M1N.) = 20.55 ............................................................................ ________________________________________------------------------------------ ----_________-------____________________------------------------------------ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.647 SOIL CLASSIFICATION IS "D" -si33 - INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9500 SUBAREA AREA(ACRES) = 11.39 SUBAREA RUNOFF(CFS) = 28.64 TC(M1N) = 20.55 - TOTAL AREA(ACRES) = 127.84 TOTAL RUNOFF(CFS) = 283.23 ............................................................................ FLOW PROCESS FROM NODE 660.06 TO NODE 660.07 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 72.0 INCH PIPE IS 41.6 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 16.7 UPSTREAM NODE ELEVATION = 80.00 DOWNSTREAM NODE ELEVATION = 78.80 FLoWLENGTH(FEET) = 120.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 72.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 283.23 TRAVEL TIME(M1N.) = .12 TC(M1N.) = 20.67 * TO ENCINITAS CREEK ............................................................................ -----_------_-_------------------------------------------------------------- _______-_________-_--------------------------------------------------------- LINE W.B" ............................................................................ FLOW PROCESS FROM NODE 640.06 TO NODE 640.06 IS CODE = 2 ............................................................................ >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .7000 INITIAL SUBAREA FLOW-LENGTH(FEET) = 250.00 UPSTREAM ELEVATION = 180.00 DOWNSTREAM ELEVATION = 175.00 ELEVATION DIFFERENCE = 5.00 URBAN SUBAREA OVERLAND TIME OF FLOW(M1NUTES) = 9.827 ................................................ ............................................................................ - 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.260 SUBAREA RUNOFF(CFS) = 2.98 TOTAL AREA(ACRES) = 1.00 TOTAL RUNOFF(CFS) = 2.98 ............................................................................ FLOW PROCESS FROM NODE 640.06 TO NODE 640.01 IS CODE = 6 >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< UPSTREAM ELEVATION = 175.00 DOWNSTREAM ELEVATION = 145.00 STREET LENGTH(FEET) = 900.00 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) = 35.07 STREET FLOWDEPTH(FEET) = .47 HALFSTREET FLOODWIDTH(FEET) = 17.40 AVERAGE FLOW VELOCITY(FEET/SEC.) = 5.58 PRODUCT OF DEPTHStVELOCITY = 2.64 ............................................................................ ___________________________L____________------------------------------------ ............................................................................ - STREETFLOW TRAVELTIME(M1N) = 2.69 TC(M1N) = 12.52 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.644 SOIL CLASSIFICATION IS "A" COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .7000 SUBAREA AREA(ACRES) = 25.10 SUBAREA RUNOFF(CFS) = 64.03 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .56 HALFSTREET FLOODWIDTH(FEET) = 20.00 FLOW VELOCITY(FEET/SEC.) = 7.12 DEPTH*VELOCITY = 3.96 - SUMMED AREA(ACRES) = 26.10 TOTAL RUNOFF(CFS) = 67.01 ............................................................................ FLOW PROCESS FROM NODE 640.01 TO NODE 640.02 IS CODE = 3 IlCBIl ............................................................................ >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IN 42.0 INCH PIPE IS 30.9 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 8.8 UPSTREAM NODE ELEVATION = 144.00 DOWNSTREAM NODE ELEVATION = 138.50 FLOWLENGTH(FEET) = 1100.00 MA"1NGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 42.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 67.01 TRAVEL TIME(M1N.) = 2.08 TC(M1N.) = 14.59 ............................................................................ ________________________________________------------------------------------ ............................................................................ FLOW PROCESS FROM NODE 640.01 TO NODE 640.02 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ________________________________________------------------------------------ ........................................................................... ,- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.301 *USER SPECIFIED(SUBAREA): COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .7500 SUBAREA AREA(ACRES) = 33.48 SUBAREA RUNOFF(CFS) = 82.88 TOTAL AREA(ACRES) = 59.58 TOTAL RUNOFF(CFS) = 149.90 TC(M1N) = 14.59 ............................................................... * FLOW PROCESS FROM NODE 640.02 TO NODE 640.03 IS CODE = 3 * ***** 1lCBIl * ............................................................................ >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< ~~~~~~~~~~~ DEPTH OF FLOW IN 51.0 INCH PIPE IS 38.6 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 13.0 UPSTREAM NODE ELEVATION = 138.50 DOWNSTREAM NODE ELEVATION = 129.75 FLOWLENGTH(FEET) = 1050.00 MA"1NGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 51.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 149.90 TRAVEL TIME(M1N.) = 1.34 TC(M1N.) = 15.94 * PROPOSED 48" RCP - O.K. ASSUMING STREET FLOW ............................................................................. FLOW PROCESS FROM NODE 640.02 TO NODE 640.03 IS CODE = 8 ............................................................................ >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ........................................... 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.118 COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .7500 SUBAREA AREA(ACRES) = 35.63 SUBAREA RUNOFF(CFS) = 83.33 TOTAL AREA(ACRES) = 95.21 TOTAL RUNOFF(CFS) = 233.23 TC(M1N) = 15.94 - *USER SPECIFIED(SUBAREA): ............................................................................ FLOW PROCESS FROM NODE 640.03 TO NODE 640.04 IS CODE = 4 lICBl1 ............................................................................ >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 48.0 INCH PIPE IS 35.8 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 23.2 UPSTREAM NODE ELEVATION = 129.75 DOWNSTREAM NODE ELEVATION = 85.00 FLoWLENGTH(FEET) = 1550.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 48.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 233.23 TRAVEL TIME (MIN. ) = 1.11 TC(M1N.) = 17.05 ............................................................................ FLOW PROCESS FROM NODE 640.03 TO NODE 640.04 IS CODE = 8 ............................................................................ - >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ........................................................................... 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.986 *USER SPECIFIED(SUBAREA): COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .7500 SUBAREA AREA(ACRES) = 39.38 SUBAREA RUNOFF(CFS) = 88.18 TOTAL AREA(ACRES) = 134.59 TOTAL RUNOFF(CFS) = 321.41 TC(M1N) = 17.05 ............................................................................ FLOW PROCESS FROM NODE 640.04 TO NODE 640.05 IS CODE = 4 ............................................................................ >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< PIPEFLOW VELOCITY(FEET/SEC.) = 16.4 UPSTREAM NODE ELEVATION = 85.00 DOWNSTREAM NODE ELEVATION = 83.50 FLOWLENGTH(FEET) = 120.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 60.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 321.41 TRAVEL TIME(M1N.) = .12 TC(M1N.) = 17.17 * TO ENCINAS CREEK ..................................... ................................................................................. LINE "CL" ............................................................................ - 5296 - Tc = 1.8(1.1 - C)fL)^1/2 [S(lOO) ] -1/3 I UPSTREAM ELEVATION = 295.00 DOWNSTREAM ELEVATION = 180.00 STREET LENGTH(FEET) = 1250.00 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) = 19.27 STREET FLOWDEPTH (FEET) = .35 HALFSTREET FLOODWIDTH (FEET) = 11.04 AVERAGE FLOW VELOCITY(FEET/SEC.) = 7.21 PRODUCT OF DEPTH&VELOCITY = 2.50 STREETFLOW TRAVELTIME(M1N) = 2.89 TC(M1N) = 11.59 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.830 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 15.80 SUBAREA RUNOFF(CFS) = 33.28 SUMMED AREA(ACRES) = 16.80 TOTAL RUNOFF(CFS) = 35.78 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH (FEET) = .42 HALFSTREET FLOODWIDTH (FEET) = 14.51 FLOW VELOCITY(FEET/SEC.) = 8.05 DEPTH*VELOCITY = 3.35 ............................................................................ FLOW PROCESS FROM NODE 630.01 TO NODE 630.02 IS CODE = 3 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IN 24.0 INCH PIPE IS 16.5 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 15.5 UPSTREAM NODE ELEVATION = 180.00 DOWNSTREAM NODE ELEVATION = 160.00 FLOWLENGTH(FEET) = 600.00 MA"1NGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 TRAVEL TIME(M1N.) = .65 TC(M1N.) = 12.24 ............................................................................ ____--____________________L_____________------------------------------------ ............................................................................ PIPEFLOW THRU SUBAREA(CFS) = 35.78 ............................................................................ ~ FLOW PROCESS FROM NODE 630.02 TO NODE 630.02 IS CODE = 8 ._----____-_______-_------------------------------------------------------- >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ 100 YEAR RAINFALL INTENSITY (INCH/HOUR) = 3.698 SOIL CLASSIFICATION IS "D" SUBAREA AREA(ACRES) = 16.30 SUBAREA RUNOFF(CFS) = 33.15 TOTAL AREA(ACRES) = 33.10 TOTAL RUNOFF(CFS) = 68.94 TC(M1N) = 12.24 - SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 ............................................................................ FLOW PROCESS FROM NODE 630.02 TO NODE 630.03 IS CODE = 3 IICLII >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< ............................................................................ >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< DEPTH OF FLOW IN 30.0 INCH PIPE IS 22.9 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 17.1 UPSTREAM NODE ELEVATION = 160.00 DOWNSTREAM NODE ELEVATION = 125.00 FLOWLENGTH(FEET) = 1200.00 MA"1NGS N = .012 ESTIMATED PIPE DIAMETER(1NCH) = 30.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 68.94 TRAVEL TIME(M1N.) = 1.17 TC(M1N.) = 13.40 --------- ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 630.03 TO NODE 630.03 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ------___---------_________L____________------------------------------------ ____________________------------------------------------------------------- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.487 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 14.10 SUBAREA RUNOFF(CFS) = 27.04 TOTAL AREA(ACRES) = 47.20 TOTAL RUNOFF(CFS) = 95.98 TC(M1N) = 13.40 ............................................................................ FLOW PROCESS FROM.NODE 630.03 TO NODE 630.04 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 125.00 DOWNSTREAM NODE ELEVATION = 100 .oo CHANNEL LENGTH THRU SUBAREA(FEET) = 1050.00 CHANNEL BASE (FEET) = .OO 18Z18 FACTOR = 10.000 MA"1NGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 5.00 CHANNEL FLOW THRU SUBAREA(CFS) = 95.98 FLOW VELOCITY(FEET/SEC) = 4.72 FLOW DEPTH(FEET) = 1.43 TRAVEL TIME(M1N.) = 3.71 TC(M1N.) = 17.11 ---_______-_____________________________------------------------------------ ............................................................................ ________________________________________------------------------------------ ............................................................................ DEPTH OF FLOW IN 18.0 INCH PIPE IS 8.0 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 17.8 DOWNSTREAM NODE ELEVATION = 90.00 FLOWLENGTH(FEET) = 280.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 13.60 TRAVEL TIME(M1N.) = .26 TC(M1N.) = 17.06 - UPSTREAM NODE ELEVATION = 115.00 ............................................................................ FLOW PROCESS FROM NODE 620.34 TO NODE 620.34 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.984 SOIL CLASSIFICATION IS "A" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .4000 SUBAREA AREA(ACRES) = 2.20 SUBAREA RUNOFF(CFS) = 2.63 TOTAL AREA(ACRES) = 13.50 TOTAL RUNOFF(CFS) = 16.23 TC(M1N) = 17.06 ............................................................................ FLOW PROCESS FROM NODE 620.34 TO NODE 620.35 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.) = 16.6 UPSTREAM NODE ELEVATION = 90.00 DOWNSTREAM NODE ELEVATION = 70.00 FLOWLENGTH(FEET) = 300.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 16.23 TRAVEL TIME(M1N.) = .30 TC(M1N.) = 17.36 ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 620.35 TO NODE 620.35 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ --________---______--------------------------------------------------------- ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.951 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 4.30 SUBAREA RUNOFF(CFS) = 6.98 TOTAL AREA(ACRES) = 17.80 TOTAL RUNOFF(CFS) = 23.20 TC(M1N) = ~17.36 ............................................................................ - FLOW PROCESS FROM NODE 620.35 TO NODE 620.36 IS CODE = 4 ........................................................................... >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< -5 40- >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 30.0 INCH PIPE IS 8.4 INCHES - PIPEFLOW VELOCITY(FEET/SEC.) = 20.8 UPSTREAM NODE ELEVATION = 70.00 DOWNSTREAM NODE ELEVATION = 40.00 FLOWLENGTH(FEET) = 300.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 30.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 23.20 TRAVEL TIME(M1N.) = .24 TC(M1N.) = 17.60 * TO ENCINAS CREEK ________________________________________------------------------------------ ________________________________________---------------------------- ............................................................................ FLOW PROCESS FROM NODE 620.53 TO NODE 620.53 IS CODE = 7 >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<<< ............................................................................ USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(M1N) = 97.00 RAIN INTENSITY(INCH/HOUR) = .97 TOTAL AREA(ACRES) = 2112.00 TOTAL RUNOFF(CFS) = 1747.00 * ESTABLISHED BASIN FLOW-POUTNEY AND ASSOCIATES, SEP 1987 HYDRAULIC AN HYDROLOGIC STUDY FOR ENCINAS CREEK ............................................................................ FLOW PROCESS FROM NODE 620.53 TO NODE 620.54 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< - UPSTREAM NODE ELEVATION = 31.00 ............................................................................ ............................................................................ ............................................................................ DOWNSTREAM NODE ELEVATION = 30.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 150.00 MA"1NGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 4.00 CHANNEL FLOW THRU SUBAREA(CFS) = 1747.00 FLOW VELOCITY(FEET/SEC) = 16.42 FLOW DEPTH(FEET) = 3.55 TRAVEL TIME(M1N.) = .15 TC(M1N.) = 97.15 * INLET CONTROL - INSUFFICIENT HEADWATER DEPTH PROPOSED ADDITION CHANNEL BASE(FEET) = 30.00 llZ" FACTOR = .ooo OF 10' X 4' RCB ............................................................................ FLOW PROCESS FROM NODE 620.54 TO NODE 620.54 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 97.15 TOTAL STREAM AREA (ACRES) = 2112.00 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 1747.00 ............................................................................ ............................................................................ ............................................................................ RAINFALL INTENSITY (INCH. /HOUR) = .97 USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(M1N) = 18.50 RAIN INTENSITY(INCH/HOUR) = 2.83 TOTAL AREA(ACRES) = 5.50 TOTAL RUNOFF(CFS) = 6.20 Tc = 1.811.1 - CI(L1 - 1/2 - C = .40 L(FT) = 850 S = 8% [S (100) 3 -1/3 ............................................................................ FLOW PROCESS FROM NODE 620.29 TO NODE 620.30 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 18.0 INCH PIPE IS 5.7 INCHES PIPEFLOW VELOCITY (FEET/SEC. ) = 12.9 UPSTREAM NODE ELEVATION = 95.00 DOWNSTREAM NODE ELEVATION = 75.00 FLOWLENGTH(FEET) = 300.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 6.20 TRAVEL TIME(M1N.) = .39 TC(M1N.) = 18.89 ............................................................................ -_-________________-____________________------------------------------------ ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 620.30 TO NODE 620.30 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ________________________________________------------------------------------ ---------_-________--------------------------------------------------------- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.795 - SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 6.10 SUBAREA RUNOFF(CFS) = 9.38 TOTAL AREA(ACRES) = 11.60 TOTAL RUNOFF(CFS) = 15.58 TC(M1N) = 18.89 ............................................................................ FLOW PROCESS FROM NODE 620.30 TO NODE 620.31 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 18.0 INCH PIPE IS 10.3 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 14.8 UPSTREAM NODE ELEVATION = 75.00 DOWNSTREAM NODE ELEVATION = 40.00 FLOWLENGTH(FEET) = 700.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 15.58 TRAVEL TIME(M1N.) = .79 TC(M1N.) = 19.67 ............................................................................ --______________________________________------------------------------------ ............................................................................ -5 92 - 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.722 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 7.10 SUBAREA RUNOFFICFS) = 10.63 TOTAL AREA(ACRES) = 18.70 TOTAL RUNOFF(CFSj = ' 26.21 TC(M1N) = 19.67 ............................................................................ FLOW PROCESS FROM NODE 620.31 TO NODE 620.54 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< PIPEFLOW VELOCITY(FEET/SEC.) = 14.8 UPSTREAM NODE ELEVATION = 40.00 DOWNSTREAM NODE ELEVATION = 30.00 FLOWLENGTH(FEET) = 250.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 26.21 TRAVEL TIME(M1N.) = .28 TC(M1N.) = 19.95 ________________________________________------------------------------------ ________________________________________------------------------------------ --______________________________________------------------------------------ ............................................................................ FLOW PROCESS FROM NODE 620.54 TO NODE 620.54 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< ............................................................................ ............................................................................ ________________________________________------------------------------------ - CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(M1NUTES) = 19.95 RAINFALL INTENSITY (INCH./HOUR) = 2.70 TOTAL STREAM AREA (ACRES) = 18.70 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 26.21 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN.) (INCH/HOUR) ............................................................................ 1 1747.00 97.15 .972 2 26.21 19.95 2.698 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 1756.44 TIME(M1NUTES) = 97.152 TOTAL AREA(ACRES) = 2130.70 1756.44 655.58 ............................................................................ FLOW PROCESS FROM NODE 620.54 TO NODE 620.55 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTRE!AM NODE ELEVATION = 30.00 ............................................................................ - 593- DOWNSTREAM NODE ELEVATION = 25.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 350.00 CHANNEL BASE (FEET) = .OO "2" FACTOR = 40.000 - MANNINGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 1756.44 FLOW VELOCITY(FEET/SEC) = 5.63 FLOW DEPTH(FEET) = 2 TRAVEL TIME(M1N.) = 1.04 TC(M1N.) = 98.19 ,79 ............................................................................ FLOW PROCESS FROM NODE 620.55 TO NODE 620.55 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = .965 *USER SPECIFIED(SUBAREA): COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8500 SUBAREA AREA(ACRES) = 42.60 SUBAREA RUNOFF(CFS) = 34.95 TOTAL AREA(ACRES) = 2173.30 TOTAL RUNOFF(CFS) = 1791.39 TC(M1N) = 98.19 ............................................................................ FLOW PROCESS FROM NODE 620.01 TO NODE 620.01 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< SOIL CLASSIFICATION IS "A" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .4000 ............................................................................ ............................................................................ ............................................................................ ,- INITIAL SUBAREA FLOW-LENGTH(FEET) = 950.00 UPSTREAM ELEVATION = 150.58 DOWNSTREAM ELEVATION = 130.00 ELEVATION DIFFERENCE = 20.58 URBAN SUBAREA OVERLAND TIME OF FLOW(M1NUTES) = 32.799 *CAUTION: SUBAREA FLOWLENGTH EXCEEDS COUNTY NOMOGRAPH DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED. 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 1.958 SUBAREA RUNOFF(CFS) = 8.78 TOTAL AREA (ACRES) = 11.21 TOTAL RUNOFF(CFS) = 8.78 ............................................................................ FLOW PROCESS FROM NODE 620.01 TO NODE 620.02 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 24.0 INCH PIPE IS 5.9 INCHES PIPEFMW VEMCITY(FEET/SEC.) = 14.5 UPSTREAM NODE ELEVATION = 130.00 DOWNSTREAM NODE ELEVATION = 107.49 FLOWLENGTH(FEET) = 301.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFMW THRU SUBAREA(CFS) = 8.78 ............................................................................ ............................................................................ ............................................................................ - TRAVEL TIME(M1N.) = .35 TC(M1N.) = 33.15 5 9+ ............................................................................. FLOW PROCESS FROM NODE 620.02 TO NODE 620.03 IS CODE = 4 ............................................................................ - >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 24.0 INCH PIPE IS 7.7 INCHES PIPEFLOW VEMCITY(FEET/SEC.) = 10.0 UPSTREAM NODE ELEVATION = 107.49 DOWNSTREAM NODE ELEVATION = 102.83 FMWLENGTH(FEET) = 175.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFMW THRU SUBAREA(CFS) = 8.78 TRAVEL TIME(M1N.) = .29 TC(M1N.) = 33.44 ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 620.01 TO NODE 620.03 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ---------3==--------------------------------------- ................................................................ --------- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 1.934 SOIL CLASSIFICATION IS "A" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .4000 SUBAREA AREA(ACRES) = 8.94 SUBAREA RUNOFF(CFS) = 6.91 TOTAL AREA(ACRES) = 20.15 TOTAL RUNOFF(CFS) = 15.69 TC(M1N) = 33.44 ............................................................................ FLOW PROCESS FROM NODE 620.03 TO NODE 620.04 IS CODE = 4 >>>>>COMPUTE PIPEFMW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< PIPEFLOW VEMCITY(FEET/SEC.) = 5.0 UPSTREAM NODE ELEVATION = 102.83 DOWNSTREAM NODE ELEVATION = 101.93 FLOWLENGTH(FEET) = 300.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 15.69 TRAVEL TIME(M1N.) = 1.00 TC(M1N.) = 34.44 ............................................................................ ________________________________________------------------------------------ ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 620.04 TO NODE 620.05 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 101.93 DOWNSTREAM NODE ELEVATION = 101.18 CHANNEL LENGTH THRU SUBAREA(FEET) = 150.00 CHANNEL BASE(FEET) = 12.00 llZ1l FACTOR = 2.000 CHANNEL FLOW THRU SUBAREA(CFS) = 15.69 FLOW VELOCITY(FEET/SEC) = 1.96 FLOW DEPTH(FEET) = .61 ............................................................................ ............................................................................ - MA"1NGS FACTOR = .035 MAXIMUM DEPTH(FEET) = 10.00 ............................................................................ FLOW PROCESS FROM NODE 630.04 TO NODE 630.05 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 100.00 DOWNSTREAM NODE ELEVATION = 50.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1700.00 CHANNEL BASE (FEET) = .OO "Z" FACTOR = 10.000 MA"1NGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 5.00 CHANNEL FLOW THRU SUBAREA(CFS) = 152.21 FLOW VELOCITY(FEET/SEC) = 5.52 FMW DEPTH(FEET) = 1.66 TRAVEL TIME(M1N.) = 5.13 TC(M1N.) = 22.24 ............................................................................ ________________________________________--------------- ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 630.05 TO NODE 630.05 IS CODE = 8 ............................................................................ - >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< __-___--------------------------------------------------------------------- ........................................................................... 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.515 *USER SPECIFIED(SUBAREA): SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5200 SUBAREA AREA(ACRES) = 46.50 SUBAREA RUNOFF(CFS) = 60.82 TOTAL AREA(ACRES) = 130.00 TOTAL RUNOFF(CFS) = 213.03 TC(M1N) = 22.24 * TO ENCINAS CREEK LINE "C" ............................................................................ FLOW PROCESS FROM NODE 620.32 TO NODE 620.33 IS CODE = 7 >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<<< USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(M1N) = 16.80 RAIN INTENSITY(INCH/HOUR) = 3.01 TOTAL AREA(ACRES) = 11.30 TOTAL RUNOFF(CFS) = 13.60 C = .40 L(FT) = 700 S = 8% ............................................................................ ............................................................................ ............................................................................ TC = 1.811.1 - C) fL) 'l/2 [S(lOO) 3 -1/3 ............................................................................ FLOW PROCESS FROM NODE 620.33 TO NODE 620.34 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< ............................................................................ TRAVEL TIME(M1N.) = 1.27 TC(M1N.) = 35.71 _. ............................................................................ FLOW PROCESS FROM NODE 620.06 TO NODE 620.05 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 1.853 SOIL CLASSIFICATION IS "A" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .4000 SUBAREA AREA(ACRES) = 8.87 SUBAREA RUNOFF(CFS) = 6.58 TOTAL AREA(ACRES) = 29.02 TOTAL RUNOFF(CFS) = 22.27 TC(M1N) = 35.71 ............................................................................ FLOW PROCESS FROM NODE 620.05 TO NODE 620.06 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 101.18 DOWNSTREAM NODE ELEVATION = 95.68 CHANNEL LENGTH THRU SUBAREA(FEET) = 1100.00 CHANNEL BASE(FEET) = 12.00 "2" FACTOR = 2.000 MA"1NGS FACTOR = .035 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 22.27 ............................................................................ ............................................................................ ............................................................................ FLOW VELOCITY (FEET/SEC) = 2.29 FLOW DEPTH( FEET) = .72 - TRAVEL TIME(M1N.) = 8.00 TC(M1N.) = 43.71 ............................................................................ FLOW PROCESS FROM NODE 620.05 TO NODE 620.06 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 1.627 SOIL CLASSIFICATION IS "A" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .4000 SUBAREA AREA(ACRES) = 3.52 SUBAREA RUNOFF(CFS) = 2.29 TOTAL AREA(ACRES) = 32.54 TOTAL RUNOFF(CFS) = 24.56 TC(M1N) = 43.71 ............................................................................ FLOW PROCESS FROM NODE 620.07 TO NODE 620.07 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< SOIL CLASSIFICATION IS "A" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .4000 ............................................................................ --____---_____--____-------------------------------------------------------- ............................................................................ INITIAL SUBAREA FLOW-LENGTH(FEET) = 500.00 UPSTREAM ELEVATION = 166.00 - DOWNSTREAM ELEVATION = 163.00 ELEVATION DIFFERENCE = 3.00 URBAN SUBAREA OVERLAND TIME OF FLoW(M1NUTES) = 33.547 c 5 96- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 1.930 SUBAREA RUNOFF(CFS) = 3.55 TOTAL AREA(ACRES) = 4.60 TOTAL RUNOFF(CFS) = 3.55 - ............................................................................ FLOW PROCESS FROM NODE 620.07 TO NODE 620.08 IS CODE = 6 >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< UPSTREAM ELEVATION = 163.00 DOWNSTREAM ELEVATION = 155.00 STREET LENGTH(FEET) = 750.00 CURB HEIGTH(1NCHES) = 6. STREET HALFWIDTH(FEET) = 20.00 STREET CROSSFALL(DEC1MAL) = .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 6.08 ............................................................................ ............................................................................ STREET FLOWDEPTH(FEET) = .34 HALFSTREET FLoODWIDTH(FEET) = 10.46 AVERAGE FLOW VELOCITY (FEET/SEC. ) = 2.51 PRODUCT OF DEPTH&VELOCITY = .84 STREETFLOW TRAVELTIME(M1N) = 4.99 TC(M1N) = 38.53 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 1.765 SOIL CLASSIFICATION IS "A" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .4000 SUBAREA AREA (ACRES) = 7.20 SUBAREA RUNOFF(CFS) = 5.08 SUMMED AREA(ACRES) = 11.80 TOTAL RUNOFF(CFS) = 8.63 END OF SUBAREA STREETFLOW HYDRAULICS : DEPTH(FEET) = .37 HALFSTREET FLOODWIDTH(FEET) = 12.20 - FLOW VELOCITY(FEET/SEC.) = 2.69 DEPTH*VELOCITY = 1.00 ............................................................................ FLOW PROCESS FROM NODE 620.08 TO NODE 620.09 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 18.0 INCH PIPE IS 6.6 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 14.6 UPSTREAM NODE ELEVATION = 155.00 DOWNSTREAM NODE ELEVATION = 137.26 FLOWLENGTH(FEET) = 245.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 8.63 TRAVEL TIME (MIN. ) = .28 TC(M1N.) = 38.81 ............................................................................ ------________--____-------------------------------------------------------- ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 620.08 TO NODE 620.09 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ------________--________________________-------- ............................................................................ 100 YEAR RAINFALL INTENSITY (INCH/HOUR) = 1.756 - SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .4000 SOIL CLASSIFICATION IS "A" SUBAREA AREA(ACRES) = 4.10 SUBAREA RUNOFF(CFS) = 2.88 TOTAL AREA(ACRFS) = 15.90 TOTAL RUNOFF(CFS) = 11.51 -593 - TC(M1N) = 38.81 ............................................................................ FLOW PROCESS FROM NODE 620.09 TO NODE 620.01 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.) = 11.4 UPSTREAM NODE ELEVATION = 137.26 DOWNSTREAM NODE ELEVATION = 120.76 FLOWLENGTH(FEET) = 550.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 11.51 TRAVEL TIME(M1N.) = .81 TC(M1N.) = 39.62 ............................................................................ ............................................................................ ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 620.09 TO NODE 620.10 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 1.733 SOIL CLASSIFICATION IS "A" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .4000 SUBAREA AREA(ACRES) = 9.48 SUBAREA RUNOFF(CFS) = 6.57 TOTAL AREA(ACRES) = 25.38 TOTAL RUNOFF(CFS) = 18.09 '- TC(M1N) = 39.62 ............................................................................ FLOW PROCESS FROM NODE 620.10 TO NODE 620.11 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 21.0 INCH PIPE IS 12.4 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 12.3 UPSTREAM NODE ELEVATION = 120.76 DOWNSTREAM NODE ELEVATION = 115.72 FLOWLENGTH(FEET) = 184.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 21.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 18.09 TRAVEL TIME(M1N.) = .25 TC(M1N.) = 39.87 ............................................................................ ............................................................................ ___------_---_-------------------------------------------------------------- ............................................................................ FLOW PROCESS FROM NODE 620.11 TO NODE 620.12 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< ............................................................................ ............................................................................ ............................................................................ - PIPEFLOW VELOCITY (FEET/SEC. ) = 5.8 UPSTREAM NODE ELEVATION = 115.72 DOWNSTREAM NODE ELEVATION = 114.30 FLOWLENGTH(FEET) = 331.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 18.09 TRAVEL TIME(M1N.) = .96 TC(M1N.) = 40.83 ............................................................................ FLOW PROCESS FROM NODE 620.11 TO NODE 620.12 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< ............................................................................ ............................................................................ _--_-_-_-----_----------------_-------------_------------------------------- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 40.83 RAINFALL INTENSITY (INCH./HOUR) = 1.70 TOTAL STREAM AREA (ACRES) = 25.38 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 18.09 ............................................................................ FLOW PROCESS FROM NODE 620.13 TO NODE 620.13 IS CODE = 7 >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<<< USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(M1N) = 21.10 RAIN INTENSITY(INCH/HOUR) = 2.60 ............................................................................ __-----_---_------_------_-------------------------------------------------- _-______-_----_-----------_------------------------------------------------- TOTAL AREA(ACRES) = 8.60 TOTAL RUNOFF(CFS) = 9.00 C = .40 L(FT) = 700 s = 4% .. TC = 1.8f1.1 - ClfL)-1/2 . [S (100) 3 ^1/3 - ........................................................................... FLOW PROCESS FROM NODE 620.13 TO NODE 620.14 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 18.0 INCH PIPE IS 6.4 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 15.8 UPSTREAM NODE ELEVATION = 120.00 DOWNSTREAM NODE ELEVATION = 91.16 FLOWLENGTH(FEET) = 330.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 TRAVEL TIME(M1N.) = .35 TC(M1N.) = 21.45 ............................................................................ ------------_---------------------------------------_----------------------- ---------_---_-__-_--_------------------------------------------------------ PIPEFLOW T€IRU SUBAREA(CFS) = 9.00 ............................................................................ FLOW PROCESS FROM NODE 620.13 TO NODE 620.14 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.575 SOIL CLASSIFICATION IS "A" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .4000 TOTAL AREA(ACRES) = 17.08 TOTAL RUNOFF(CFS) = 17.73 TC(M1N) = 21.45 ~ SUBAREA AREA(ACRES) = 8.48 SUBAREA RUNOFF(CFS) = 8.73 ............................................................................ FLOW PROCESS FROM NODE 620.14 TO NODE 620.15 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< ._______________---_------------------------------------------------------- >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 18.0 INCH PIPE IS 9.9 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 17.8 UPSTREAM NODE ELEVATION = 91.16 DOWNSTREAM NODE ELEVATION = 76.36 FLOWLENGTH(FEET) = 200.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 17.73 TRAVEL TIME (MIN. ) = .19 TC(M1N.) = 21.64 ............................................................................ ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 620.15 TO NODE 620.12 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 24.0 INCH PIPE IS 12.0 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 11.3 UPSTREAM NODE ELEVATION = 76.36 DOWNSTREAM NODE ELEVATION = 72.62 FLOWLENGTH(FEET) = 170.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 17.73 TRAVEL TIME(M1N.) = .25 TC(M1N.) = 21.89 ............................................................................ ............................................................................ ............................................................................ - ............................................................................ FLOW PROCESS FROM NODE 620.12 TO NODE 620.12 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 (MINUTES) = 2 1.89 RAINFALL INTENSITY (INCH./HOUR) = 2.54 TOTAL STREAM AREA (ACRES) = 17.08 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 17.73 ............................................................................ ............................................................................ CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN. ) (INCH/HOUR) ............................................................................ 1 18.09 40.83 1.700 2 17.73 21.89 2.542 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: 29.95 29.83 RUNOFF (CFS) = 29.95 TIME(M1NUTES) = 40.828 TOTAL AREA(ACRES) = 42.46 ........................................................................... FLOW PROCESS FROM NODE 620.12 TO NODE 620.06 IS CODE = 4 >>>>>COMPUTE PIPEFLQW TRAVELTIME THRU SUBAREA<<<<< ............................................................................ >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 36.0 INCH PIPE IS 17.5 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 8.8 UPSTREAM NODE ELEVATION = 72.62 DOWNSTREAM NODE ELEVATION = 69.82 FLOWLENGTH(FEET) = 350.00 MANNINGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 36.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 29.95 TRAVEL TIME(M1N.) = .66 TC(M1N.) = 41.49 .............................................................................. ............................................................................ FLOW PROCESS FROM NODE 620.06 TO NODE 620.06 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< ............................................................................ ............................................................................ ............................................... CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 41.49 RAINFALL INTENSITY (INCH. /HOUR) = 1.68 TOTAL STREAM AREA (ACRES) = 42.46 - TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 29.95 ............................................................................ FLOW PROCESS FROM NODE 620.06 TO NODE 620.06 IS CODE = I >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<<< USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(M1N) = 43.70 RAIN INTENSITY(INCH/HOUR) = 1.63 TOTAL AREA(ACRES) = 32.50 TOTAL RUNOFF(CFS) = 24.60 * PREVIOUSLY COMPUTED FLOW ............................................................................ ............................................................................ ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 620.06 TO NODE 620.06 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) = 43.70 RAINFALL INTENSITY (INCH. /HOUR) = 1.63 TOTAL STREAM AREA (ACRES) = 32.50 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 24.60 - CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN. ) (INCH/HOUR) RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: 53.74 53.56 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 53.74 TIME(M1NUTES) = 41.491 TOTAL AREA (ACRES) = 74.96 ............................................................................ FLOW PROCESS FROM NODE 620.06 TO NODE 620.18 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 69.82 DOWNSTREAM NODE ELEVATION = 67.07 CHANNEL LENGTH THRU SUBAREA(FEET) = 550.00 CHANNEL BASE(FEET) = 12.00 "2" FACTOR = 2.000 MA"1NGS FACTOR = .035 MAXIMUM DEPTH(FEET) = 10.00 FLOW VELOCITY(FEET/SEC) = 3.02 FLOW DEPTH(FEET) = 1.23 TRAVEL TIME(M1N.) = 3.04 TC(M1N.) = 44.53 ............................................................................ ............................................................................ ________________________________________------------------------------------ CHANNEL FLOW THRU SUBAREA(CFS) = 53.74 ............................................................................ -. FLOW PROCESS FROM NODE 620.06 TO NODE 620.18 IS CODE = a ........................................................................... >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 1.608 SOIL CLASSIFICATION IS "A" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .4000 TOTAL AREA(ACRES) = 76.44 TOTAL RUNOFF(CFS) = 54.69 TC(M1N) = 44.53 SUBAREA AREA(ACRES) = 1.48 SUBAREA RUNOFF(CFS) = .95 ............................................................................ FLOW PROCESS FROM NODE 620.18 TO NODE 620.18 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< CONFLUENCE VALUES.USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 44.53 RAINFALL INTENSITY (INCH./HOUR) = 1.61 TOTAL STREAM AREA (ACRES) = 76.44 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 54.69 ............................................................................ ............................................................................ ............................................................................ - FLOW PROCESS FROM NODE 620.16 TO NODE 620.16 IS CODE = 2 . >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< .___________________------------------------------------------------------- ............................................................................ SOIL CLASSIFICATION IS "A" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .4000 INITIAL SUBAREA FLOW-LENGTH(FEET) = 600.00 UPSTREAM ELEVATION = 90.00 DOWNSTREAM ELEVATION = 75.00 ELEVATION DIFFERENCE = 15.00 URBAN SUBAREA OVERLAND TIME OF FLOW(M1NUTES) = 25.506 *CAUTION: SUBAREA FLOWLENGTH EXCEEDS COUNTY NOMOGRAPH DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED. 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.303 SUBAREA RUNOFF(CFS) = 6.40 TOTAL AREA(ACRES) = 6.95 TOTAL RUNOFF(CFS) = 6.40 ............................................................................ FLOW PROCESS FROM NODE 620.16 TO NODE 620.17 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< ............................................................................ ---_--_-----------_--------------------------------------------------------- ________--_--_-_-_---------------------------------------------------------- PIPEFLOW VELoCITY(FEET/SEC.) = 3.6 UPSTREAM NODE ELEVATION = 75.00 DOWNSTREAM NODE ELEVATION = 74.92 FLOWLENGTH (FEET) = 40.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 6.40 TRAVEL TIME(M1N.) = .18 TC(M1N.) = 25.69 ........................................................................... FLOW PROCESS FROM NODE 620.17 TO NODE 620.18 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.292 SOIL CLASSIFICATION IS "A" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .4000 SUBAREA AREA(ACRES) = 6.09 SUBAREA RUNOFF(CFS) = 5.58 TOTAL AREA(ACRES) = 13.04 TOTAL RUNOFF(CFS) = 11.98 TC(M1N) = 25.69 ............................................................................ FLOW PROCESS FROM NODE 620.17 TO NODE 620.18 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 27.0 INCH PIPE IS 18.6 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 4.1 UPSTREAM NODE ELEVATION = 74.92 DOWNSTREAM NODE ELEVATION = 74.31 FLOWLENGTH(FEET) = 304.00 MA"1NGS N = .012 PIPEFLOW THRU SUBAREA(CFS) = 11.98 TRAVEL TIME(M1N.) = 1.23 TC(M1N.) = 26.92 ............................................................................ ............................................................................ ............................................................................ - GIVEN PIPE DIAMETER(1NCH) = 27.00 NUMBER OF PIPES = 1 ............................................................................ FLOW PROCESS FROM NODE 620.18 TO NODE 620.18 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< .......................................................................... ............................................................................ _____------__---____-------------------------------------------------------- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(M1NUTES) = 26.92 RAINFALL INTENSITY (INCH./HOUR) = 2.22 TOTAL STREAM AREA (ACRES) = 13.04 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 11.98 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN. ) (INCH/HOUR) ............................................................................ 1 54.69 44.53 1.608 2 11.98 26.92 2.224 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 63.35 TIME(M1NUTES) = 44.526 TOTAL AREA(ACRES) = 89.48 63.35 51.52 ............................................................................ FLOW PROCESS FROM NODE 620.18 TO NODE 620.19 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 67.07 DOWNSTREAM NODE ELEVATION = 64.47 CHANNEL LENGTH THRU SUBAREA(FEET) = 520.00 CHANNEL BASE(FEET) = 12.00 "Z" FACTOR = 2.000 MA"1NGS FACTOR = .035 MAXIMUM DEPTH(FEET) = 5.00 CHANNEL FLOW THRU SUBAREA(CFS) = 63.35 FLOW VELOCITY (FEET/SEC) = 3.20 FLOW DEPTH (FEET) = 1.35 TRAVEL TIME(M1N.) = 2.71 TC(M1N.) = 47.24 ............................................................................ _______________-------------__--_------------------------------------------- --________-___---_---------------------------------------------------------- ............................................................................ FLOW PROCESS FROM NODE 620.19 TO NODE 620.19 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 47.24 RAINFALL INTENSITY (INCH./HOUR) = 1.55 TOTAL STREAM AREA (ACRES) = 89.48 ............................................................................ _---------_-----_---------_------------------------------------------------- - TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 63.35 ............................................................................... FLOW PROCESS FROM NODE 620.20 TO NODE 620.20 IS CODE = 2 ............................................................................ . >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< .---------------------------5==----------------------------------------------- ----------____------____________________---- SOIL CLASSIFICATION IS "A" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .4000 INITIAL SUBAREA FLOW-LENGTH (FEET) = 750.00 UPSTREAM ELEVATION = 165.00 DOWNSTREAM ELEVATION = 161.00 ELEVATION DIFFERENCE = 4.00 URBAN SUBAREA OVERLAND TIME OF FLOW(M1NUTES) = 43.044 *CAUTION: SUBAREA FLOWLENGTH EXCEEDS COUNTY NOMOGRAPH DEFINITION. EXTRAPOLATION OF NONOGRAPH USED. 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 1.643 SUBAREA RUNOFF(CFS) = 2.88 TOTAL AREA(ACRES) = 4.38 TOTAL RUNOFF(CFS) = 2.88 ............................................................................ FLOW PROCESS FROM NODE 620.20 TO NODE 620.21 IS CODE = 6 >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< UPSTREAM ELEVATION = 161.00 DOWNSTREAM ELEVATION = 90.00 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) = 6.17 STREET FLOWDEPTH(FEET) = .25 HALFSTREET FLOODWIDTH(FEET) = 6.41 AVERAGE FLOW VELOCITY(FEET/SEC.) = 5.83 PRODUCT OF DEPTHhVELOCITY = 1.48 ............................................................................ ------------~==------------------------------------------------------------- ------------ ............................................................. - STREETFLOW TRAVELTIME(M1N) = 2.29 TC(M1N) = 45.33 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 1.589 SOIL CLASSIFICATION IS "A" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .4000 SUBAREA AREA(ACRES) = 10.41 SUBAREA RUNOFF(CFS) = 6.62 SUMMED AREA(ACRES) = 14.79 TOTAL RUNOFF(CFS) = 9.50 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .29 HALFSTREET FLoODWIDTH(FEET) = 8.15 FLOW VELOCITY(FEET/SEC.) = 6.07 DEPTH*VELOCITY = 1.76 ............................................................................ FLOW PROCESS FROM NODE 620.21 TO NODE 620.19 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FLOW IN 24.0 INCH PIPE IS 9.2 INCHES UPSTREAM NODE ELEVATION = 90.00 - DOWNSTREAM NODE ELEVATION = 78.00 FLOWLENGTH(FEET) = 750.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 ............................................................................ ............................................................................ PIPEFLOW VELOCITY (FEETISEC. ) = a. 5 PIPEFLOW THRU SUBAREA(CFS) = 9.50 TRAVEL TIME(M1N.) = 1.47 TC(M1N.) = 46.80 .......................................................................... FLOW PROCESS FROM NODE 620.21 TO NODE 620.19 IS CODE = 8 ............................................................................ >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ________________________________________------------------------------------ ________________________________________------------------------------------ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 1.557 SOIL CLASSIFICATION IS "A" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .4000 TOTAL AREA(ACRES) = 23.44 TOTAL RUNOFF(CFS) = 14.88 TC(M1N) = 46.80 SUBAREA AREA(ACRES) = 8.65 SUBAREA RUNOFF(CFS) = 5.39 ............................................................................ FLOW PROCESS FROM NODE 620.19 TO NODE 620.19 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) = 46.80 RAINFALL INTENSITY (INCH. /HOUR) = 1.56 TOTAL STREAM AREA (ACRES) = 23.44 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 14.88 - CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN. ) (INCH/HOUR) ............................................................................ 1 63.35 47.24 1.547 2 14.88 46.80 1.557 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 78.15 TIME(M1NUTES) = 47.235 TOTAL AREA(ACRES) = 112.92 78.15 77.86 ............................................................................ FLOW PROCESS FROM NODE 620.19 TO NODE 620.22 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 64.47 DOWNSTREAM NODE ELEVATION = 51.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1150.00 CHANNEL BASE(FEET) = 12.00 "Z" FACTOR = 2.000 MA"1NGS FACTOR = .035 MAXIMUM DEPTH(FEET) = 4.00 CHANNEL FLOW THRU SUBAREA(CFS) = 78.15 FLOW VELOCITY(FEET/SEC) = 4.51 FLOW DEPTH(FEET) = 1.20 ............................................................................ ............................................................................ ............................................................................ TRAVEL TIME(M1N.) = 4.25 TC(M1N.) = 51.49 ............................................................................ FLOW PROCESS FROM NODE 620.19 TO NODE 620.22 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< .__--------____------------------------------------------------------------- ............................................................................ ------_-----_--------------------------------------------------------------- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 1.464 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 24.20 SUBAREA RUNOFF(CFS) = 19.48 TOTAL AREA(ACRES) = 137.12 TOTAL RUNOFF(CFS) = 97.63 TC(M1N) = 51.49 UPSTREAM NODE ELEVATION = 51.00 DOWNSTREAM NODE ELEVATION = 48.25 CHANNEL LENGTH THRU SUBAREA(FEET) = 250.00 CHANNEL BASE(FEET) = 12.00 l'Z1t FACTOR = 2.000 MA"1NGS FACTOR = .035 MAXIMUM DEPTH(FEET) = 4.00 CHANNEL FLOW THRU SUBAREA(CFS) = 97.63 FLOW VELoCITY(FEET/SEC) = 4.75 FLOW DEPTH(FEET) = 1.39 TRAVEL TIME(M1N.) = .88 TC(M1N.) = 52.36 ............................................................................ FLOW PROCESS FROM NODE 620.23 TO NODE 620.23 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 52.36 RAINFALL INTENSITY (INCH./HOUR) = 1.45 TOTAL STREAM AREA (ACRES) = 137.12 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 97.63 ............................................................................ ............................................................................ ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 620.24 TO NODE 620.24 IS CODE = 7 >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<<< ............................................................................ USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(M1N) = 13.80 RAIN INTENSITY(INCH/HOUR) = 3.42 TOTAL AREA (ACRES) = 1.00 TOTAL RUNOFF(CFS) = 1.40 C = .40 L(FT) = 300 s = 4% Tc = 1.811.1 - C) IL)^1/2 _- [S (100) ] -1/3 ............................................................................ DEPTH OF FLOW IN 18.0 INCH PIPE IS 3.4 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 6.1 UPSTREAM NODE ELEVATION = 145.00 DOWNSTREAM NODE ELEVATION = 115.00 FLOWLENGTH(FEET) = 1100.00 MANNINGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 1.40 TRAVEL TIME(M1N.) = 2.99 TC(M1N.) = 16.79 ............................................................................ FLOW PROCESS FROM NODE 620.25 TO NODE 620.25 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ________________________________________------------------------------------ ............................................................................ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.015 SOIL CLASSIFICATION IS "A" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .4000 SUBAREA AREA(ACRES) = 24.80 SUBAREA RUNOFF(CFS) = 29.91 TOTAL AREA(ACRES) = 25.80 TOTAL RUNOFF(CFS) = 31.31 TC(M1N) = 16.79 ............................................................................ ,- FLOW PROCESS FROM NODE 620.25 TO NODE 620.26 IS CODE = 4 ........................................................................... >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< PIPEFLOW VELOCITY (FEET/SEC. ) = 6.4 UPSTREAM NODE ELEVATION = 115.00 DOWNSTREAM NODE ELEVATION = 108.75 FLOWLENGTH(FEET) = 1250.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 30.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 31.31 TRAVEL TIME(M1N.) = 3.27 TC(M1N.) = 20.06 ............................................................................ ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 620.25 TO NODE 620.26 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ -------____________-____________________------------------------------------ ---_____________________________________------------------------------------ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.689 SOIL CLASSIFICATION IS "D" SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 11.67 SUBAREA RUNOFF(CFS) = 17.26 TOTAL AREA(ACRES) = 37.47 TOTAL RUNOFF(CFS) = 48.57 TC(M1N) = 20.06 ............................................................................ FLOW P.ROCESS FROM NODE 620.26 TO NODE 620.23 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< ............................................................................ ~ >>>>>USING USER-SPECIFIED PIPESIZE<<<<< ........................................................................... PIPEFLOW VELOCITY(FEET/SEC.) = 9.9 UPSTREAM NODE ELEVATION = 108.75 DOWNSTREAM NODE ELEVATION = 105.95 FLOWLENGTH(FEET) = 350.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 30.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 48.57 TRAVEL TIME(M1N.) = .59 TC(M1N.) = 20.65 ............................................................................ FLOW PROCESS FROM NODE 620.23 TO NODE 620.23 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) = 20.65 RAINFALL INTENSITY (INCH./HOUR) = 2.64 TOTAL STREAM AREA (ACRES) = 37.47 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 48.57 CONFLUENCE INFORMATION: ............................................................................ ____________________-------------------------------------------------------- _______--------------------------------------------------------------------- STREAM RUNOFF TIME' INTENSITY NUMBER (CFS) (MIN. ) (INCH/HOUR) .-------------------------------------------------------------------------- - 1 97.63 52.36 1.448 2 48.57 20.65 2.639 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 124.28 TIME(M1NUTES) = 52.363 TOTAL AREA(ACRES) = 174.59 124.28 102.14 ............................................................................ FLOW PROCESS FROM NODE 620.23 TO NODE 620.27 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 105.95 DOWNSTREAM NODE ELEVATION = 103.05 CHANNEL LENGTH THRU SUBAREA(FEET) = 580.00 CHANNEL BASE(FEET) = 12.00 "Z" FACTOR = 2.000 MA"1NGS FACTOR = .035 MAXIMUM DEPTH(FEET) = 4.00 CHANNEL FLOW THRU SUBAREA(CFS) = 124.28 FLOW VELOCITY(FEET/SEC) = 3.92 FLOW DEPTH(FEET) = 1.98 ............................................................................ ............................................................................ ............................................................................ - TRAVEL TIME(M1N.) = 2.46 TC(M1N.) = 54.83 ............................................................................ FLOW PROCESS FROM NODE 620.23 TO NODE 620.27 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ........................................................................... 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 1.406 SOIL CLASSIFICATION IS @ID1' SINGLE FAMILY DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 12.68 SUBAREA RUNOFF(CFS) = 9.80 TOTAL AREA(ACRES) = 187.27 TOTAL RUNOFF(CFS) = 134.08 TC(M1N) = 54.83 ............................................................................ FLOW PROCESS FROM NODE 620.27 TO NODE 620.55 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 103.00 DOWNSTREAM NODE ELEVATION = 25.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 700.00 CHANNEL BASE(FEET) = 12.00 "Z" FACTOR = 2.000 MA"1NGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 5.00 CHANNEL FLOW THRU SUBAREA(CFS) = 134.08 TRAVEL TIME(M1N.) = .60 TC(M1N.) = 55.43 ............................................................................ ____________________-------------------------------------------------------- ___-------__---------------------------------------------------------------- FLOW VELoCITY(FEET/SEC) = 19.48 FLOW DEPTH(FEET) = .53 ............................................................................ FLOW PROCESS FROM NODE 620.55 TO NODE 620.55 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< ............................................................................ ............................................................................ ............................................................................ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 55.43 RAINFALL INTENSITY (INCH./HOUR) = 1.40 TOTAL STREAM AREA (ACRES) = 187.27 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 134.08 CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(M1NUTES) = 98.20 RAINFALL INTENSITY (INCH./HOUR) = .97 ~ TOTAL STREAM AREA (ACRES) = 2173.00 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 1791.00 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER ( CFS 1 (MIN. ) (INCH/HOUR) ............................................................................ 1 134.08 55.43 1.396 2 1791.00 98.20 .965 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 1883.72 TIME(M1NUTES) = 98.200 TOTAL AREA(ACRES) = 2360.27 1372.55 1883.72 ............................................................................ FLOW PROCESS FROM NODE 620.55 TO NODE 611.04 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 25.00 DOWNSTREAM NODE ELEVATION = 24.00 ............................................................................ ............................................................................ __-------__-_--------------------------------------------------------------- - CHANNEL LENGTH THRU SUBAREA(FEET) = 100.00 CHANNEL BASE(FEET) = 30.00 "Z" FACTOR = .ooo MA"1NGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 5.00 CHANNEL FLOW THRU SUBAREA(CFS) = 1883.72 FLOW VELOCITY(FEET/SEC) = 19.25 FLOW DEPTH(FEET) = 3.26 TRAVEL TIME(M1N.) = .09 TC(M1N.) = 98.29 ............................................................................ FLOW PROCESS FROM NODE 611.04 TO NODE 611.04 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<( CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 98.29 RAINFALL INTENSITY (INCH./HOUR) = .96 TOTAL STREAM AREA (ACRES) = 2360.27 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 1883.72 ............................................................................ ............................................................................ ............................................................................ WITH 10-MINUTES ADDED = 20.86(MINUTES) INITIAL SUBAREA FLOW-LENGTH(FEET) = 900.00 UPSTREAM ELEVATION = 55.00 DOWNSTREAM ELEVATION = 50.00 ELEVATION DIFFERENCE = 5.00 - 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.622 SUBAREA RUNOFF(CFS) = 13.21 TOTAL AREA(ACRES) = 7.20 TOTAL RUNOFF(CFS) = 13.21 ............................................................................ FLOW PROCESS FROM NODE 611.02 TO NODE 611.03 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< DEPTH OF FMW IN 30.0 INCH PIPE IS 14.4 INCHES PIPEFLOW VELOCITY (FEET/SEC. ) = 5.7 UPSTREAM NODE ELEVATION = 50.00 DOWNSTREAM NODE ELEVATION = 44.00 FMWLENGTH(FEET) = 1400.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 30.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 13.21 TRAVEL TIME(M1N.) = 4.11 TC(M1N.) = 24.97 ............................................................................ ............................................................................ ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 611.02 TO NODE 611.03 IS CODE = 8 ............................................................................ - >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.335 *USER SPECIFIED(SUBAREA): COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .7000 SUBAREA AREA(ACRES) = 18.10 SUBAREA RUNOFF(CFS) = 29.58 TOTAL AREA(ACRES) = 25.30 TOTAL RUNOFF(CFS) = 42.79 TC(M1N) = 24.97 ............................................................................ FLOW PROCESS FROM NODE 611.03 TO NODE 611.04 IS CODE = 4 >>>>>COMPUTE PIPEFMW TRAVELTIME THRU SUEAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< ............................................................................ DEPTH OF FMW IN 39.0 INCH PIPE IS 25.4 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 7.5 UPSTREAM NODE ELEVATION = 44.00 DOWNSTREAM NODE ELEVATION = 39.00 FLOWLENGTH(FEET) = 1200.00 MANNINGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 39.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 42.79 TRAVEL TIME(M1N.) = 2.68 TC(M1N.) = 27.65 ,. , ........................................................................... FLOW PROCESS FROM NODE 611.03 TO NODE 611.04 IS CODE = 8 ............................................................................ >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< --------- ............................................................................ ~ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.186 *USER SPECIFIED(SUBAREA): COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8000 SUBAREA AREA(ACRES) = 4.96 SUBAREA RUNOFF(CFS) = 8.67 TOTAL AREA(ACRES) = 30.26 TOTAL RUNOFF(CFS) = 51.47 TC(M1N) = 27.65 ............................................................................ FLOW PROCESS FROM NODE 611.04 TO NODE 611.04 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< ............................................................................ __________------------------------------------------------------------------ ____________________------_------------------------------------------------- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(M1NUTES) = 27.65 RAINFALL INTENSITY (INCH./HOUR) = 2.19 TOTAL STREAM AREA (ACRES) = 30.26 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 51.47 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN. ) (INCH/HOUR) ............................................................................ 1 1883.72 98.29 .965 2 51.47 27.65 2.186 r RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 1906.43 TIME(M1NUTES) = 98.287 TOTAL AREA(ACRES) = 2390.53 1906.43 882.70 ............................................................................ FLOW PROCESS FROM NODE 611.04 TO NODE 611.16 IS CODE = 5 ............................................................................ >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 24.00 DOWNSTREAM NODE ELEVATION = 23.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 100.00 MA"1NGS FACTOR = -015 MAXIMUM DEPTH(FEET) = 5.00 CHANNEL FLOW THRU SUBAREA(CFS) = 1906.43 FLOW VELOCITY(FEET/SEC) = 19.25 FLOW DEPTH(FEET) = 3.30 TRAVEL TIME(M1N.) = .09 TC(M1N.) = 98.37 CHANNEL BASE(FEET) = 30.00 I'Z" FACTOR = .ooo >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< -~ UPSTREAM NODE ELEVATION = 23.00 _---___-_-------------------- ................................................................................. DOWNSTREAM NODE ELEVATION = 18.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 850.00 MA"1NGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 1906.43 FLOW VELOCITY(FEET/SEC) = 16.19 FLOW DEPTH(FEET) = 3.93 TRAVEL TIME (MIN. ) = .88 TC(M1N.) = 99.25 CHANNEL BASE(FEET) = 30.00 "Z" FACTOR = .ooo ............................................................................ FLOW PROCESS FROM NODE 611.17 TO NODE 611.15 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< ............................................................................ UPSTREAM NODE ELEVATION = 18.00 DOWNSTREAM NODE ELEVATION = 15.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 300.00 MA"1NGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 5 CHANNEL FLOW THRU SUBAREA(CFS) = 1906.43 FLOW VELOCITY (FEET/SEC) = 19.27 FLOW DEPTH (FEET) TRAVEL TIME(M1N.) = .26 TC(M1N.) = 99.51 CHANNEL BAS.E(FEET) = 30.00 "Z" FACTOR = .ooo 50 = 3.30 ............................................................................ FLOW PROCESS FROM NODE 611.15 TO NODE 610.01 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 15.00 DOWNSTREAM NODE ELEVATION = 9.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 650.00 CHANNEL BASE(FEET) = 10.00 "Z" FACTOR = 20.000 MA"1NGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 1906.43 FLOW VELOCITY(FEET/SEC) = 5.70 FLOW DEPTH(FEET) = 3.85 TRAVEL TIME(M1N.) = 1.90 TC(M1N.) = 101.41 ............................................................................ ----_________--------------------------------------------------------------- ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 610.01 TO NODE 610.01 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ............................................................................ --------_____----_______________________------------------------------------ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = .945 *USER SPECIFIED (SUBAREA) : MULTI-UNITS DEVELOPMENT RUNOFF COEFFICIENT = .5500 SUBAREA AREA(ACRES) = 53.50 SUBAREA RUNOFF(CFS) = 27.82 TOTAL AREA(ACRES) = 2444.03 TOTAL RUNOFF(CFS) = 1934.24 TC(M1N) = 101.41 ............................................................................ FLOW PROCESS FROM NODE 611.05 TO NODE 611.05 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< SOIL CLASSIFICATION IS **D** COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8500 INITIAL SUBAREA FLOW-LENGTH(FEET) = 850.00 UPSTREAM ELEVATION = 65.00 DOWNSTREAM ELEVATION = 56.00 ELEVATION DIFFERENCE = 9.00 ............................................................................ -. _----__-__-_---------------------------------------------------------------- ............................................................................ URBAN SUBAREA OVERLAND TIME OF FLOW(M1NUTES) = 13.257 *CAUTION: SUBAREA FLOWLENGTH EXCEEDS COUNTY NOMOGRAPH DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED. 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.512 SUBAREA RUNOFF(CFS) = 37.31 TOTAL AREA(ACRES) = 12.50 TOTAL RUNdFF(CFS) = 37 31 ............................................................................ FLOW PROCESS FROM NODE 611.05 TO NODE 611.06 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< PIPEFLOW VELOCITY(FEET/SEC.) = 11.9 UPSTREAM NODE ELEVATION = 56.00 DOWNSTREAM NODE ELEVATION = 53.00 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 37.31 TRAVEL TIME (MIN. ) = .42 TC(M1N.) = 13.68 ............................................................................ ________________________________________----------------------------------_- ............................................................................ - FLOWLENGTH(FEET) = 300.00 MA"1NGS N = .012 ............................................................................ FLOW PROCESS FROM NODE 611.06 TO NODE 611.07 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< PIPEFLOW VELOCITY (FEET/SEC. ) = 11.9 UPSTREAM NODE ELEVATION = 53.00 DOWNSTREAM NODE ELEVATION = 45.20 FLOWLENGTH(FEET) = 520.00 MA"1NGS N = .012 GIVEN PIPE DIAMETER(1NCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 37.31 TRAVEL TIME(M1N.) = .73 TC(M1N.) = 14.41 ............................................................................ _------------_____---------------------------------------------------------- -------____________-____________________------------------------------------ ............................................................................ FLOW PROCESS FROM NODE 611.06 TO NODE 611.07 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.328 *USER SPECIFIED(SUBAREA): INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .8000 SUBAREA AREA(ACRES) = 18.45 SUBAREA RUNOFF(CFS) = 49.12 TOTAL AREA(ACRES) = 30.95 TOTAL RUNOFF(CFS) = 86.44 TC(M1N) = 14.41 ............................................................................ FLOW PROCESS FROM NODE 611.07 TO NODE 611.07 IS CODE = 4 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA<<<<< >>>>>USING USER-SPECIFIED PIPESIZE<<<<< ............................................................................ DEPTH OF FLOW IN 36.0 INCH PIPE IS 28.0 INCHES PIPEFLOW VELOCITY (FEET/SEC. ) = 14.6 UPSTREAM NODE ELEVATION = 45.00 DOWNSTREAM NODE ELEVATION = 35.00 FLOWLENGTH(FEET) = 150.00 MA"1NGS N = .024 GIVEN PIPE DIAMETER(1NCH) = 36.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 86.44 TRAVEL TIME (MIN. ) = .17 TC(M1N.) = 14.58 ............................................................................ FLOW PROCESS FROM NODE 611.07 TO NODE 611.08 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 30.00 - DOWNSTREAM NODE ELEVATION = 27.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 550.00 CHANNEL BASE(FEET) = 3.00 "Z" FACTOR = 2.000 MA"1NGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 3.00 CHANNEL FLOW THRU SUBAREA(CFS) = 86.44 FLOW VELOCITY (FEET/SEC) = 7.63 FLOW DEPTH(FEET) = 1.75 TRAVEL TIME(M1N.) = 1.20 TC(M1N.) = 15.78 ............................................................................ ------______--------____________________------------------------------------ ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 611.07 TO NODE 611.08 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< -___________---_________________________------------------------------------ ________________________________________------------------------------------ ............................................................................ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.138 SOIL CLASSIFICATION IS "A" INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .8000 SUBAREA AREA(ACRES) = 12.24 SUBAREA RUNOFF(CFS) = 30.73 TOTAL AREA(ACRES) = 43.19 TOTAL RUNOFF(CFS) = 117.17 TC(M1N) = 15.78 ............................................................................ FLOW PROCESS FROM NODE 611.08 TO NODE 611.14 IS CODE = 5 ............................................................................ - >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FMW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 27.00 DOWNSTREAM NODE ELEVATION = 25.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 400.00 MA"1NGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 3.00 CHANNEL FLOW THRU SUBAREA(CFS) = 117.17 FLOW VELOCITY (FEET/SEC) = 7.90 FLOW DEPTH( FEET) = 2.07 TRAVEL TIME(M1N.) = .84 TC(M1N.) = 16.62 - CHANNEL BASE(FEET) = 3.00 "2" FACTOR = 2.000 ............................................................................ FLOW PROCESS FROM NODE 611.14 TO NODE 611.14 IS CODE = 1 >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< ............................................................................ ------ -----------___------____________________---- ------------==------____________________------------------ ------------ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 16.62 RAINFALL INTENSITY (INCH./HOUR) = 3.03 TOTAL STREAM AREA (ACRES) = 43.19 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 117.17 TO PAGE -620- .............................................................................. FLOW PROCESS FROM NODE 611.10 TO NODE 611.10 IS CODE = 2 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<< *USER SPECIFIED (SUBAREA) : ............................................................................ ............................................................................ ............................................................................ - COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .9000 INITIAL SUBAREA FLOW-LENGTH(FEET) = 500.00 UPSTREAM ELEVATION = 70.00 DOWNSTREAM ELEVATION = 57.00 ELEVATION DIFFERENCE = 13.00 URBAN SUBAREA OVERLAND TIME OF FLOW(M1NUTES) = 6.572 *CAUTION: SUBAREA SLOPE EXCEEDS COUNTY NOMOGRAPH DEFINITION. EXTRAPOLATION OF NOMOGRAPH USED. 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 5.522 SUBAREA RUNOFF(CFS) = 21.37 TOTAL AREA(ACRES) = 4.30 TOTAL RUNOFF(CFS) = 21.37 ............................................................................ FLOW PROCESS FROM NODE 611.10 TO NODE 611.11 IS CODE = 6 >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< UPSTREAM ELEVATION = 57.00 DOWNSTREAM ELEVATION = 45.00 STREET LENGTH(FEET) = 700.00 CURB HEIGTH(1NCHES) = 6. STREET HALFWIDTH(FEET) = 20.00 STREET CROSSFALL(DEC1MAL) = .0200 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .9000 ............................................................................ ------_______----_______________________------ ............................................................................ **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 44.20 NOTE: STREETFLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREETFLOW RESULTS ARE BASED ON THE ASSUMPTION THAT NEGLIBLE FLOW OCCURS OUTSIDE OF THE STREET CHANNEL. THAT IS, ALL FLOW ALONG THE PARKWAY, ETC., IS NEGLECTED. ***STREET FLOWING FULL*** STREET FLOWDEPTH(FEET) = .54 HALFSTREET FLOODWIDTH (FEET) = 20.00 AVERAGE FLOW VELOCITY(FEET/SEC.) = 5.12 - PRODUCT OF DEPTH&VELOCITY = 2.75 STREETFLOW TRAVELTIME(M1N) = 2.28 TC(M1N) = 8.85 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.558 *USER SPECIFIED(SUBAREA): COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .go00 SUBAREA AREA(ACRES) = 11.10 SUBAREA RUNOFF(CFS) = 45.53 SUMMED AREA(ACRES) = 15.40 TOTAL RUNOFF(CFS) = 66.90 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .61 HALFSTREET FLOODWIDTH(FEET) = 20.00 FLOW VELOCITY(FEET/SEC.) = 5.69 DEPTH*VELOCITY = 3.50 UPSTREAM NODE ELEVATION = 45.00 DOWNSTREAM NODE ELEVATION = 38.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 700.00 CHANNEL BASE(FEET) = 3.00 llZ1l FACTOR = 2.000 MA"1NGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 3.00 CHANNEL FLOW THRU SUBAREA(CFS) = 66.90 FLOW VELOCITY(FEET/SEC) = 8.94 FLOW DEPTH(FEET) = 1 TRAVEL TIME(M1N.) = 1.30 TC(M1N.) = 10.15 .. I32 ............................................................................ FLOW PROCESS FROM NODE 611.11 TO NODE 611.12 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ -----______________-____________________------------------------------------ ________________________________________------------------------------------ 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.171 *USER SPECIFIED(SUBAREA) : INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .9000 SUBAREA AREA(ACRES) = 16.78 SUBAREA RUNOFF(CFS) = 62.99 TOTAL AREA(ACRES) = 32.18 TOTAL RUNOFF(CFS) = 129.89 TC(M1N) = 10.15 ............................................................................ FLOW PROCESS FROM NODE 611.12 TO NODE 611.13 IS CODE = 5 IlCAIl ............................................................................ >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 38.00 DOWNSTREAM NODE ELEVATION = 34.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 400.00 CHANNEL BASE(FEET) = 3.00 l'Z1l FACTOR = 2.000 MA"1NGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 3.00 CHANNEL FLOW THRU SUBAREA(CFS) = 129.89 ________________________________________------------------------------------ ------_______-------____________________------------------------------------ FLOW VELOCITY(FEET/SEC) = 10.57 FLOW DEPTH(FEET) = 1.84 TRAVEL TIME (MIN. ) = .63 TC(M1N.) = 10.78 r ........................................................................... FLOW PROCESS FROM NODE 611.12 TO NODE 611.13 IS CODE = 8 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<< ............................................................................ ---------__________--------------------------------------------------------- ___________________------------------------------------__----------_--_----- 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 4.012 *USER SPECIFIED(SUBAREA): INDUSTRIAL DEVELOPMENT RUNOFF COEFFICIENT = .8000 SUBAREA AREA(ACRES) = 16.06 SUBAREA RUNOFF(CFS) = 51.55 TOTAL AREA(ACRES) = 48.24 TOTAL RUNOFF(CFS) = 181.44 TC(M1N) = 10.78 ............................................................................ FLOW PROCESS FROM NODE 611.13 TO NODE 611.14 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 34.00 DOWNSTREAM NODE ELEVATION = 25.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 850.00 CHANNEL BASE(FEET) = 3.00 IIZ" FACTOR = 2.000 MA"1NGS FACTOR = .015 'MAXIMUM DEPTH(FEET) = 3.00 CHANNEL FLOW THRU SUBAREA(CFS) = 181.44 FLOW VELOCITY (FEET/SEC) = 11.81 FLOW DEPTH(FEET) = 2.12 TRAVEL TIME(M1N.) = 1.20 TC(M1N.) = 11.98 ............................................................................ -----_______________-------------------------------------------------------- --_________________-____________________------------------------------------ ............................................................................ FLOW PROCESS FROM NODE 611.14 TO NODE 611.14 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) = 11.98 RAINFALL INTENSITY (INCH./HOUR) = 3.75 TOTAL STREAM AREA (ACRES) = 48.24 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 181.44 ............................................................................ -------_____________-------------------------------------------------------- --_________________--------------_-__----------------------___-------------- CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER ( CFS 1 (MIN. ) (INCH/HOUR) ............................................................................ 1 117.17 16.62 3.035 2 181.44 11.98 3.748 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF (CFS) = 276.31 TIME(M1NUTES) = 11.984 - 264.08 276.31 - 620- TOTAL AREA (ACRES) = 91.43 UPSTREAM NODE ELEVATION = 25.00 DOWNSTREAM NODE ELEVATION = 23.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 100.00 MANNINGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 5.00 CHANNEL BASE(FEET) = 5.00 "Z" FACTOR = .ooo CHANNEL FLOW THRU SUBAREA(CFS) = 375.83 FLOW VELOCITY(FEET/SEC) = 18.77 FLOW DEPTH(FEET) = 4 TRAVEL TIME (MIN. ) = .09 TC(M1N.) = 12.07 ,oo ............................................................................ FLOW PROCESS FROM NODE 611.18 TO NODE 610.01 IS CODE = 1 ............................................................................ >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< ___________________-____________________------------------------------------ ________________________________________------------------------------------ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(M1NUTES) = 12.07 RAINFALL INTENSITY (INCH./HOUR) = 3.73 TOTAL STREAM AREA (ACRES) = 124.62 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 375.83 TO PAGE -62 I - ............................................................................ FLOW PROCESS FROM NODE 610.01 TO NODE 610.01 IS CODE = 7 >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<<< USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(M1N) = 101.50 RAIN INTENSITY(INCH/HOUR) = .94 TOTAL AREA(ACRES) = 2444.00 TOTAL RUNOFF(CFS) = 1934.00 * PREVIOUSLY COMPUTED FLOW ............................................................................ ---_____________________________________------------------------------------ ----------_-_______--------------------------------------------------------- ............................................................................. FLOW PROCESS FROM NODE 610.01 TO NODE 610.01 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) = 101.50 TOTAL STREAM AREA (ACRES) = 2444.00 TOTAL STREAM RUNOFF(CFS) AT CONFLUENCE = 1934.00 CONFLUENCE INFORMATION: STREAM RUNOFF TIME INTENSITY NUMBER (CFS) (MIN. ) (INCH/HOUR) RAINFALL INTENSITY (INCH./HOUR) = .94 ............................................................................ 1 375.83 12.07 3.730 2 1934.00 101.50 .945 RAINFALL-INTENSITY-RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS VARIOUS CONFLUENCED RUNOFF VALUES ARE AS FOLLOWS: COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: RUNOFF(CFS) = 2029.19 TIME(M1NUTES) = 101.500 TOTAL AREA(ACRES) = 2568.62 865.66 2029.19 ............................................................................ FLOW PROCESS FROM NODE 610.01 TO NODE 610.02 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 9.00 DOWNSTREAM NODE ELEVATION = 8.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 100.00 MA"1NGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 5.00 CHANNEL FLOW THRU SUBAREA(CFS) = 2029.19 FLOW VELOCITY(FEET/SEC) = 21.55 FLOW DEPTH(FEET) = 4.71 TRAVEL TIME (MIN. ) = .08 TC(M1N.) = 101.58 ............................................................................ ........................................................................... ........................................................................... - CHANNEL BASE(FEET) = 20.00 IIZ" FACTOR = .ooo ............................................................................ FLOW PROCESS FROM NODE 610.02 TO NODE 610.03 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 8.00 DOWNSTREAM NODE ELEVATION = 5.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 200.00 CHANNEL BASE(FEET) = 20.00 "Z" FACTOR = 2.000 MA"1NGS FACTOR = .035 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 2029.19 FLOW VELOCITY(FEET/SEC) = 12.53 FLOW DEPTH(FEET) = 5.29 TRAVEL TIME (MIN. ) = .27 TC(M1N.) = 101.84 ............................................................................ ............................................................................ ............................................................................ ............................................................................ L9 5 FLOW PROCESS FROM NODE 610.03 TO NODE 610.04 IS CODE = 5 I'C" >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< ............................................................................ - >>>>>TRAVELTIME THRU SUBAREA<<<<< ............................................................................ UPSTREAM NODE ELEVATION = 5.00 DOWNSTREAM NODE EUVATION = 4.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 50.00 MA"1NGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 5.00 CHANNEL FLOW THRU SUBAREA(CFS) = 2029.19 FLOW VELOCITY(FEET/SEC) = 27.20 FLOW DEPTH(FEET) = 3.73 TRAVEL TIME(M1N.) = .03 TC(M1N.) = 101.87 * INLET CONTROL - INSUFFICIENT HEADWATER DEPTH CHANNEL BASE(FEET) = 20.00 "2" FACTOR = .ooo PROPOSED ADDITION OF 12' X 5' RCB ............................................................................ _____________--------------------------------------------------------------- END OF RATIONAL METHOD ANALYSIS MAJOR CHANNEL CACULATIONS ............................................................................ - 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: 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 * * ENC3.RES * .......................................................................... * ENCINAS CREEK BASIN (BASIN "C") - CHANNEL FLOW * 1985 SAN DIEGO MANUAL CRITERIA USER SPECIFIED STORM EVENT(YEAR) = 100.00 6-HOUR DURATION PRECIPITATION (INCHES) = 2.600 SPECIFIED MINIMUM PIPE SIZE(1NCH) = 18.00 SPECIFIED PERCENT OF GRADIENTS(DEC1MAL) TO USE FOR FRICTION SLOPE = .95 SAN DIEGO HYDROLOGY MANUAL "C"-VALUES USED - LINE W" ............................................................................ FLOW PROCESS FROM NODE 750.23 TO NODE 750.23 IS CODE = 7 >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<<< USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(M1N) = 28.00 RAIN INTENSITY(INCH/HOUR) = 2.25 TOTAL AREA(ACRES) = 650.00 TOTAL RUNOFF(CFS) = 1400.00 * PREVIOUSLY COMPUTED FLOW - SEE COMPUTATIONS FOR ENCINAS CREEK BASIN ............................................................................ ---_____________________________________-------------------__--------------- -------_______-____--------_------------------------------------------------ - LOWER REACH (ENC2.DAT) ............................................................................ FLOW PROCESS FROM NODE 750.23 TO NODE 750.28 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< ............................................................................ . >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 155.00 DOWNSTREAM NODE ELEVATION = 154.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 100.00 CHANNEL BASE(FEET) = 12.00 llZ" FACTOR = .ooo - MA"1NGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 7.00 CHANNEL FLOW THRU SUBAREA(CFS) = 1400.00 FLOW VELoCITY(FEET/SEC) = 20.27 FLOW DEPTH(FEET) = 5.76 TRAVEL TIME(M1N.) = .08 TC(M1N.) = 28.08 ............................................................................ FLOW PROCESS FROM NODE 750.28 TO NODE 710.10 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< ............................................................................ >>>>>TRAVELTIME THRU SUBAREA<<<<< ............................................................................ UPSTREAM NODE ELEVATION = 154.00 DOWNSTREAM NODE ELEVATION = 145.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 500.00 CHANNEL BASE(FEET) = 10.00 "Z" FACTOR = 3.000 MA"1NGS FACTOR = .035 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 1400.00 FLOW VELOCITY(FEET/SEC) = 11.71 FLOW DEPTH(FEET) = 4.86 TRAVEL TIME(M1N.) = .71 TC(M1N.) = 28.79 ............................................................................ FLOW PROCESS FROM NODE 710.10 TO NODE 710.40 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< ............................................................................ - >>>>>TRAVELTIME THRU SUBAREA<<<<< _-------__------___------------------- UPSTREAM NODE ELEVATION = 145.00 DOWNSTREAM NODE ELEVATION = 144.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 100.00 MA"1NGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 7.00 CHANNEL FLOW THRU SUBAREA(CFS) = 1400.00 FLOW VELOCITY(FEET/SEC) = 20.27 FLOW DEPTH(FEET) = 5.76 TRAVEL TIME (MIN. ) = .08 TC(M1N.) = 28.88 CHANNEL BASE(FEET) = 12.00 "Z" FACTOR = .ooo ............................................................................ FLOW PROCESS FROM NODE 710.40 TO NODE 710.11 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 144.00 DOWNSTREAM NODE ELEVATION = 135.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 750.00 CHANNEL BASE(FEET) = 10.00 81Z'f FACTOR = 3.000 MA"1NGS FACTOR = .035 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 1400.00 FLOW VELoCITY(FEET/SEC) = 10.10 FLOW DEPTH(FEET) = 5.33 ............................................................................ _----______-_----___-------------------------------------------_------------ ---__________--_____---_-------_------------__-----_--------_--------------- TRAVEL TIME(M1N.) = 1.24 TC(M1N.) = 30.11 ............................................................................. FLOW PROCESS FROM NODE 710.11 TO NODE 710.19 IS CODE = 5 ............................................................................ - >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 135.00 DOWNSTREAM NODE ELEVATION = 130.00 CHANNEL LENGTH THRU SUBARF,A(FEET) = 600.00 CHANNEL BASE(FEET) = 10.00 "Z" FACTOR = 3.000 MA"1NGS FACTOR = .035 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 1400.00 FLOW VELOCITY(FEET/SEC) = 8.81 FLOW DEPTH(FEET) = 5.80 TRAVEL TIME(M1N.) = 1.14 TC(M1N.) = 31.25 ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 710.19 TO NODE 710.21 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 130.00 DOWNSTREAM NODE ELEVATION = 127.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 200.00 MA"1NGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 8.00 CHANNEL FLOW THRU SUBAREA(CFS) = 1400.00 FLOW VELOCITY(FEET/SEC) = 23.55 FLOW DEPTH(FEET) = 4.95 ............................................................................ ............................................................................ ............................................................................ CHANNEL BASE(FEET) = 12.00 llZ" FACTOR = .ooo - TRAVEL TIME (MIN. ) = .14 TC(M1N.) = 31.39 ............................................................................ FLOW PROCESS FROM NODE 710.21 TO NODE 710.25 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 127.00 DOWNSTREAM NODE ELEVATION = 115.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 500.00 CHANNEL BASE(FEET) = 10.00 r8Z" FACTOR = 2.000 MA"1NGS FACTOR = .030 MAXIMUM DEFT"(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 1400.00 FLOW VELOCITY(FEET/SEC) = 15.71 FLOW DEPTH(FEET) = 4.63 TRAVEL TIME(M1N.) = .53 TC(M1N.) = 31.92 ________________________________________------------------------------------ ............................................................................ ----____________________________________------------------------------------ CHANNEL BASE(FEET) = 12.00 "Z" FACTOR = .ooo MA"1NGS FACTOR = .015 MAXIMUM DEFTH(FEET) = 8.00 CHANNEL FLOW THRU SUBAREA(CFS) = 1400.00 TRAVEL TIME(M1N.) = .33 TC(M1N.) = 32.25 - FLOW VELOCITY(FEET/SEC) = 20.35 FLOW DEPTH(FEET) = 5.73 ............................................................................ FLOW PROCESS FROM NODE 710.26 TO NODE 710.27 IS CODE = 5 "C" >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 111.00 DOWNSTREAM NODE ELEVATION = 104.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 800.00 CHANNEL BASE(FEET) = 10.00 18Z" FACTOR = 2.000 MA"1NGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 7.00 CHANNEL FLOW THRU SUBAREA(CFS) = 1400.00 FLOW VELOCITY(FEET/SEC) = 10.75 FLOW DEPTH(FEET) = 5.95 TRAVEL TIME(M1N.) = 1.24 TC(M1N.) = 33.49 ............................................................................ ___----------------------------------------_-------------------------------- ............................................................................ ENHANCED NATURAL CHANNEL ............................................................................ FLOW PROCESS FROM NODE 710.27 TO NODE 710.28 IS CODE = 5 "CII >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< -_-_____________________________________------------------------------------ UPSTREAM NODE ELEVATION = 104.00 DOWNSTREAM NODE ELEVATION = 95.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 850.00 CHANNEL BASE(FEET) = 10.00 "Z" FACTOR = 2.000 MA"1NGS FACTOR = .035 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 1400.00 FLOW VELOCITY(FEET/SEC) = 10.30 FLOW DEPTH(FEET) = 6.11 TRAVEL TIME(M1N.) = 1.37 TC(M1N.) = 34.86 ............................................................................ 'FLOW PROCESS FROM NODE 710.28 TO NODE 710.29 IS CODE = 5 "C" ............................................................................ >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 95.00 DOWNSTREAM NODE ELEVATION = 88.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 750.00 CHANNEL BASE(FEET) = 10.00 "Z" FACTOR = 2.000 MA"1NGS FACTOR = .035 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 1400.00 FLOW VELOCITY(FEET/SEC) = 9.81 FLOW DEPTH(FEET) = 6.31 TRAVEL TIME(M1N.) = 1.27 TC(M1N.) = 36.14 -----___________________________________------------------------------------ --______________________________________------------------------------------ .- ........................................................................... FLOW PROCESS FROM NODE 710.29 TO NODE 710.29 IS CODE = 7 --------r-------___--------------------------------------------------------- >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<<< ________________________________________------------------------------------ __---------------__-----------------_--------------------------------------- - USER-SPECIFIED VALUES ARE AS FOLLOWS: TC(M1N) = 48.00 RAIN INTENSITY(INCH/HOUR) = 1.59 TOTAL AREA(ACRES) = 1110.00 TOTAL RUNOFF(CFS) = 1400.00 * ESTABLISHED BASIN FLOW - POUTNEY h ASSOCIATES, SEPT. 1987 HYDRAULIC AND HYDROLOGIC STUDY FOR ENCINAS CREEK ............................................................................ FLOW PROCESS FROM NODE 710.29 TO NODE 710.31 IS CODE = 5 "CSI >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 88.00 DOWNSTREAM NODE ELEVATION = 87.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 100.00 MA"1NGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 8.00 CHANNEL FLOW THRU SUBAREA(CFS) = 1400.00 FLOW VELOCITY(FEET/SEC) = 20.35 FLOW DEPTH(FEET) = 5.73 TRAVEL TIME (MIN. ) = .08 TC(M1N.) = 48.08 ............................................................................ ________________________________________------------------------------------ -----------________-____________________--------------------_--------------- CHANNEL BASE(FEET) = 12.00 'lZ" FACTOR = .ooo ............................................................................ FLOW PROCESS FROM NODE 710.31 TO NODE 680.09 IS CODE = 5 "C" >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< ENBANCED NATURAL CHANNEL UPSTREAM NODE ELEVATION = 87.00 DOWNSTREAM NODE ELEVATION = 85.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 150.00 CHANNEL BASE(FEET) = 15.00 18Z" FACTOR = 2.000 MA"1NGS FACTOR = .035 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 1400.00 FLOW VELOCITY(FEET/SEC) = 11.02 FLOW DEPTH(FEET) = 5.06 TRAVEL TIME(M1N.) = .23 TC(M1N.) = 48.31 ............................................................................ _----------__-_____------------------------------------------_------------- ............................................................................ FLOW PROCESS FROM NODE 680.09 TO NODE 680.11 IS CODE = 5 "CSS >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 85.00 DOWNSTREAM NODE ELEVATION = 80.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 200.00 CHANNEL BASE(FEET) = 15.00 IIZ" FACTOR = 2.000 MA"1NGS FACTOR = .035 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 1400.00 FLOW VELOCITY(FEET/SEC) = 13.90 FLOW DEPTH(FEET) = 4.28 ............................................................................ --___________-__________________________---------------__------------------- -_------_____---------------------------------____---------------__--------- - TRAVEL TIME(M1N.) = .24 TC(M1N.) = 48.55 ............................................................................. FLOW PROCESS FROM NODE 680.11 TO NODE 680.12 IS CODE = 5 "Cll >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< > > > > >TRAVELTIME THRU SUBAREA< < < < < ............................................................................ UPSTREAM NODE ELEVATION = 80.00 DOWNSTREAM NODE ELEVATION = 75.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 150.00 CHANNEL BASE(FEET) = 15.00 "Z" FACTOR = 2.000 MA"1NGS FACTOR = .035 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 1400.00 FLOW VELOCITY(FEET/SEC) = 15.40 FLOW DEPTH(FEET) = 3.96 TRAVEL TIME (MIN. ) = .16 TC(M1N.) = 48.71 ............................................................................ FLOW PROCESS FROM NODE 680.12 TO NODE 680.10 IS CODE = 5 WCIl >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 75.00 DOWNSTREAM NODE ELEVATION = 70.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 350.00 CHANNEL BASE(FEET) = 15.00 "Z" FACTOR = 2.000 MA"1NGS FACTOR = .035 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREACCFS) = 1400.00 FLOW VELOCITY(FEET/SEC) = 11.26 FLOW DEPTH(FEET) = 4.98 ............................................................................ ............................................................................ ............................................................................ - TRAVEL TIME(M1N.) = .52 TC(M1N.) = 49.23 ............................................................................ FLOW PROCESS FROM NODE 680.10 TO NODE 670.04 IS CODE = 5 "Cll >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 70.00 DOWNSTREAM NODE ELEVATION = 64.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 850.00 CHANNEL BASE(FEET) = 15.00 "Z" FACTOR = 2.000 MA"1NGS FACTOR = .035 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 1400.00 FLOW VELOCITY (FEET/SEC) = 8.73 FLOW DEPTH (FEET) = 5.96 TRAVEL TIME(M1N.) = 1.62 TC(M1N.) = 50.85 --------_-_------_______________________------------------------------------ ............................................................................ ............................................................................ ............................................................................ FLOW PROCESS FROM NODE 670.04 TO NODE 670.04 IS CODE = 7 >>>>>USER SPECIFIED HYDROLOGY INFORMATION AT NODE<<<<< USER-SPECIFIED VALUES ARE AS FOLLOWS: TOTAL AREA(ACRES) = 1490.00 TOTAL RUNOFF(CFS) = 1560.00 -------_________________________________------------------------------------ ............................................................................ - TC(M1N) = 66.00 RAIN INTENSITY(INCH/HOUR) = 1.30 ............................................................................ FLOW PROCESS FROM NODE 650.04 TO NODE 660.07 IS CODE = 5 "CII >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< ............................................................................ UPSTREAM NODE ELEVATION = 61.50 DOWNSTREAM NODE ELEVATION = 57.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 700.00 CHANNEL BASE(FEET) = 15.00 I1Z" FACTOR = 2.000 MA"1NGS FACTOR = .035 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 1560.00 FLOW VELOCITY(FEET/SEC) = 8.72 FLOW DEPTH(FEET) = 6.43 TRAVEL TIME(M1N.) = 1.34 TC(M1N.) = 67.98 ............................................................................ FLOW PROCESS FROM NODE 660.07 TO NODE 630.06 IS CODE = 5 >>>>>COMPUTE TRAPEZOIDAL-CHANNEL FLOW<<<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 57.00 DOWNSTREAM NODE ELEVATION = 48.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1700.00 CHANNEL BASE(FEET) = .OO llZ1l FACTOR = 30.000 MA"1NGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 10.00 CHANNEL FLOW THRU SUBAREA(CFS) = 1560.00 FLOW VELOCITY (FEET/SEC) = 3.98 FLOW DEPTH(FEET) = 3.61 TRAVEL TIME(M1N.) = 7.11 TC(M1N.) = 75.10 ............................................................................ ............................................................................ ............................................................................ CHANNEL LENGTH THRU SUBAREA(FEET) = 1600.00 CHANNEL BASE(FEET) = .OO 'lZ1l FACTOR = 50.000 MANNINGS FACTOR = .040 MAXIMUM DEPTH(FEET) = 5.00 FMW VELOCITY (FEET/SEC) = 4.62 FLOW DEPTH(FEET) = 2.60 TRAVEL TIME(M1N.) = 5.77 TC(M1N.) = 80.87 END OF RATIONAL METHOD ANALYSIS -CHANNEL FLOW THRU SUBAREA(CFS) = 1560.00 ________ ------ -------==_______________________________-- ---------------------------------~==----------------- -_______---______ /31 COOPER ENOINEERINO A880CIATES rHUa /> HPJI 282 -E CIVIL ENGINEERING PUNNING LANO SURVEYING SHEET NO.- Of A- 6369VlckersStreet. SuIIeC. SenOlepo.~lllorni~92iii Phone: (619) 2774441 CALCUUTED DAiEnApLO CHECUED BY OATC CEA USER SPECIFIED R U N 0 F'F COEFFICIENTS Concentration Point 750.16 750.17 - ~~~ ~ 750.11 750.21 750.22 750.23 750.24 750.25 750.26 750.28 710.10 710.20 710.30 710.60 710.90 710.11 710.13 710.14 710.18 710.19 710.24 710.25 710.26 740.01 -~ 740.02 740 03 740.06 740.08 740.10 740.11 740.08 740.14 740.17 740.18 740.20 740.21 740.22 740.23 710.27 730.04 730.05 730.06 710.28 720.03 720.04 710.29 680.02 680.03 680.04 680.05 680.07 680.08 680.09 690.02 680.08 - Soil Type D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D ~ D D D D D D D D D D D D D D D D D C C C D D C D Development Type 1 1 1 1 1 1 5 5 5 .70 RM + .30 PI 1 1 1 .90 os + .10 PI 1 1 5 5 1 .70 PI + .30 OS 1 .30 PI + .70 RLM .40 PI + .60 RLM 1 1 1 1 1 1 1 .90 OS + .10 PI 1 1 1 I 1 1 1 .20 PI + .80 RLM I 1 .20 PI + .80 RL 1 I 5 5 5 5 5 5 5 5 5 1 C Column .95 .95 .95 .95 * 95 e95 .55 .55 * 55 I 80 * 95 -95 9 95 .45 .95 * 95 .55 .55 -95 * 80 .95 .65 -70 * 95 * 95 -95 .95 ~~ .95 a 95 -95 -95 .45 ,95 * 95 .95 -95 .95 e95 * 51 .95 .95 .95 -60 -95 .95 9 70 .55 .55 .50 .50 .50 .55 .55 .50 * 95 - Concentration Point 780.02 780.03 780.40 780.26 700.21 180.28 780.60 780.29 780.31 780.60 780.90 780.32 700.34 700.35 780.36 780.11 780.12 700.13 780.14 780.37 . 780.15 780.16 780.18 780.19 - 780.16 780.22 780.23 780.24 780.25 780.26 770.01 770.02 770.03 770.04 770.01 770.10 770.70 770 770 770 770 770 7 70 770 750 750 750 750 750 - 750 00 90 10 20 50 30 60 20 30 40 50 00 13 Soil Type D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D Development Type 2 6 .50 RC + .50 OS 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 5 5 1 .50 RM + .50 PI 1 5 .70 RM + .30 PI 1 1 C Column .85 .45 .65 .95 a95 * 95 -95 .95 * 95 .95 .95 * 95 * 95 a 95 .95 .95 * 95 -95 * 95 .95 * 95 .95 .95 * 95 .95 * 95 .95 .95 .95 195 .95 * 95 9 95 .95 a95 .95 .55 -55 9 95 .80 * 95 $55 .70 .95 .95 .95 .95 a 95 * 95 * 95 Concentration - Point 750.16 750.17 750.11 750.21 750.22 750.23 750.24 750.25 750.26 750.28 710.10 710.20 710.30 710.60 710.90 710.11 710.13 710.14 710.18 710.19 710.24 710.25 710.26 740.01 _- 740.02 740.03 740.06 740.08 740.10 740.11 740.14 740.17 740.20 740.21 740.22 740.23 710.27 730.04 730.05 730.06 715.28 720.03 720.04 710.29 680.02 680.03 680.04 680.05 680.08 680.07 680.08 680.09 690.02 i40.08 740.18 - Soil Type D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D D C C C D D C D Development Type 1 I 5 5 5 .70 RM + .30 PI 1 I 1 .90 os + .10 PI 1 1 5 5 1 .70 PI + .30 OS .30 PI + .70 RLM .40 PI + .60 RLM 1 1 I 1 1 I 1 1 .90 OS + .10 PI 1 1 1 1 1 1 1 .20 PI + .80 RLM . I 1 .20 PI + -80 RL 1 1 5 5 5 5 5 5 5 5 5 C Column -95 * 95 .95 .95 e95 .95 .55 .55 * 55 * 95 .95 a 95 .45 -95 .95 .55 -55 -95 -95 .65 .70 .95 * 95 -95 .95 .95 .95 .95 ,95 e45 9 95 .95 .95 .95 .95 a95 -51 .95 .95 * 95 .60 .95 -95 -70 . a0 . a0 * 55 .55 .50 ,50 .50 .55 .55 .50 ,95 I Concentration Point 690.05 690.05 690.06 690.08 680.10 670.04 670.02 670.03 670.07 670.03 650.01 650.02 650.03 660.07 660.01 660.02 660.03 660.04 660.05 660.06 630.06 640.06 640.01 640.02 -_ 640.03 640.04 620.53 620.33 620.35 620.30 620.31 620.55 620.01 620.03 620.05 620.06 620.07 620.08 620.09 620.10 620.14 620.18 620.16 620.18 620.20 620.21 . 620.19 620.22 620.25 620.26 - soil Type D D D D B B D D D D D D D D D A A C D D D 1 1 1/2 A -k 1/2 c 1/2 A + 1/2 C 1/2 A + 1/2 C D D D D D D A D D D D A A A A A A A A A A A A A A A D A D Development Type 1 1 1 1 5 5 5 .70 PI + .30 OS 2 2 2 2 2 .80 os + .20 PI 2 2 NRR NRR NRR 5 5 5 .75 RM i- .25 OS .75 RM + .25 OS .60 PI + .40 OS 5 5 5 5 .90 TS + .10 RH 5 5 5 5 5 5 5 5 5 5 5 5 5 C Column * 95 .95 -95 e95 .85 .85 .95 .95 * 95 * 95 .55 .55 -55 175 .85 -70 .70 .80 .85 .95 .55 * 70 .70 .75 9 75 e75 .55 .55 a55 .52 .52 .70 .40 ,55 * 55 .55 .85 .40 .40 -40 .40 .40 .40 .40 .40 .40 .40 .40 .40 .40 .40 -40 .55 40 * 55 -- - --atration Point 620.27 611.02 611.03 611.04 610.01 611.05 611.07 611.08 611.10 611.11 611.12 611.13 611.14 Soil Type D D D D A D 1/2 D + 1/2 A A D D D A 1/2 A + 1/2 D Development Type 5 .40 OS + .60 C .40 OS + .60 C .30 OS + -70 C .2!a os + .E0 RM " L PI 1 .50 PI + .50 0 .50 PI + .50 0 ,50 PI + 30. 0 .50 PI + .50 0 1 C Column 8 55 i70 I 70 I 80 9 55 * 85 100 190 .90 190 I 80 . a0 .ea