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Home My WebLink AboutMaster Storm Drain Hydrology Vol II • ifis weleg e?oleemeedt, ate. .., CIVIL ENGINEERING • LAND PLANNING • LAND SURVEYING Awm p.. MASTER STORM DRAIN HYDROLOGY CALCS. FOR THE CITY OF FONTANA �• VOL. 11 BY • HALL & FOREMAN, INC. 3170 REDHILL AVE. COSTA MESA, CA 92626 (714)641 -8777 MAY, 1992 JOB #4042 HYDRCALC 13821 NEWPORT AVENUE • SUITE 200 • TUSTIN, CALIFORNIA 92680 -7803 • (714) 544 -3404 • FAX (714) 544 -3155 TUSTIN • ONTARIO MASTER STORM DRAINAGE PLAN REFERENCE INDEX (ALL VOLUMES) Volume I - Engineer's Report Summary Report Detention Basin Policy and Design Criteria .., Cost Estimates Exhibit Map Storm Drain Profiles Volume IA - Hawker - Crawford Channel and Rich Basin Drainage Analysis Discussion Calculations Recommendations Cost Estimates Volume II A, B, C and D Systems Hydrology Calculations Volume III Lines T -1 to T -8 and West Fontana Channel (East of Hemlock) Hydrology Calculations Street Capacity Charts Volume V Oft Lines DZ -4 thru DZ -16, Lines MI thru M8 and the I -10 Channel System Hydrology Calculations Lines SS2 thru SS11, Lines T1C through T4C, and West Fontana Channel Hydrology Calculations Street Capacity Calculations INDEX Volume I 1. Report 2. Cost Estimates 3. Plan and Profile Sheets Volume IA 1. Hawker - Crawford Channel 2. Rich Basin Volume II 1. Line "A" a. Hawker 1 b. Hawker 2 c. Crawford 2. Line "B" a. Line "B -3" b. Line "B -5" 3. Line "C" 4. Line "D" a. Line "DA" Volume III 1. Lines T -1 to T -8 2. West Fontana Channel (East of Hemlock) 3. Street Capacity Charts Volume IV 1. Lines DZ -4 to DZ -7 2. Lines DZ -8 to DZ -10 3. Lines DZ -11 to DZ -16 4. Lines M1 to M8 5. I -10 Channel Volume V 1. Lines SS -2 - SS -2D 2. Lines SS -5A - SS -7 3. Lines SS -8 - SS -11 -. 4. Lines T -1 to T -4 5. West Fontana Channel (West of Hemlock) 6. Street Capacity Calculations **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE (Reference: 1986 SAN BERNARDINO CO. HYDROLOGY CRITERION) Copyright 1983,86,87 Advanced Engineering Software (aes) Ver. 4.1C Release Date: 5/11/87 Serial # I00908 Especially prepared for: HALL & FOREMAN * * * * * * * * * * * * * * * * * * * * * * * * ** DESCRIPTION OF STUDY * * * * * * * * * * * * * * * * * * * * ** * FONTANA MASTER STORM DRAIN PLAN, HAWKER 1 LINE, LINE "A" * Q 100 -YEAR * JN3547 *************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FILE NAME: HAWKER1.DAT TIME /DATE OF STUDY: 1: 4 1/ 1/1980 USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: -- *TIME -OF- CONCENTRATION MODEL*- - USER SPECIFIED STORM EVENT(YEAR) = 100.00 �.. SPECIFIED MINIMUM PIPE SIZE(INCH) = 18.00 SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE = *USER- DEFINED LOGARITHMIC INTERPOLATION USED FOR RAINFALL* 10 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.050 100 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.500 COMPUTED RAINFALL INTENSITY DATA: STORM EVENT = 100.00 1 -HOUR INTENSITY(INCH /HOUR) = 1.5000 SLOPE OF INTENSITY DURATION CURVE = .6000 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 501.00 TO NODE 501.10 IS CODE = 2 » »> RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 3 -4 DWELLINGS /ACRE TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW - LENGTH = 1000.00 UPSTREAM ELEVATION = 1985.00 DOWNSTREAM ELEVATION = 1955.00 •.� ELEVATION DIFFERENCE = 30.00 TC = .412 *[( 1000.00 ** 3.00)/( 30.00)] ** .20 = 13.167 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.726 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA RUNOFF(CFS) = 28.30 TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 28.30 1 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 501.10 TO NODE 501.20 IS CODE = 3 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 21.0 INCH PIPE IS 16.5 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 14.0 UPSTREAM NODE ELEVATION = 1955.00 DOWNSTREAM NODE ELEVATION = 1944.00 FLOWLENGTH(FEET) = 300.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 21.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 28.30 TRAVEL TIME(MIN.) = .36 TC(MIN.) = 13.52 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 502.00 TO NODE 501.20 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.667 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 27.77 EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 55.53 TC(MIN) = 13.52 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 501.20 TO NODE 501.30 IS CODE = 3 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA ««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 30.0 INCH PIPE IS 21.5 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 14.8 UPSTREAM NODE ELEVATION = 1944.00 DOWNSTREAM NODE ELEVATION = 1931.00 FLOWLENGTH(FEET) = 500.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 30.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 55.53 TRAVEL TIME(MIN.) = .56 TC(MIN.) = 14.09 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 503.00 TO NODE 501.30 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.578 SOIL CLASSIFICATION IS "A" 2 RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 53.93 EFFECTIVE AREA(ACRES) = 40.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 40.00 PEAK FLOW RATE(CFS) = 107.87 TC(MIN) = 14.09 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 501.30 TO NODE 501.40 IS CODE = 3 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 39.0 INCH PIPE IS 26.9 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 17.7 UPSTREAM NODE ELEVATION = 1931.00 DOWNSTREAM NODE ELEVATION = 1923.00 FLOWLENGTH(FEET) = 300.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 39.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 107.87 TRAVEL TIME(MIN.) = .28 TC(MIN.) = 14.37 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 504.00 TO NODE 501.40 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.536 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 36.00 SUBAREA RUNOFF(CFS) = 95.71 EFFECTIVE AREA(ACRES) = 76.00 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 76.00 PEAK FLOW RATE(CFS) = 202.04 TC(MIN) = 14.37 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 501.40 TO NODE 501.50 IS CODE = 3 ,., » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 45.0 INCH PIPE IS 36.1 INCHES {1 � PIPEFLOW VELOCITY(FEET /SEC.) = 21.3 UPSTREAM NODE ELEVATION = 1923.00 DOWNSTREAM NODE ELEVATION = 1900.00 FLOWLENGTH(FEET) = 750.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 45.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 202.04 TRAVEL TIME(MIN.) = .59 TC(MIN.) = 14.96 3 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 505.00 TO NODE 501.50 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.452 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 31.00 SUBAREA RUNOFF(CFS) = 80.07 EFFECTIVE AREA(ACRES) = 107.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 107.00 "' PEAK FLOW RATE(CFS) = 276.38 TC(MIN) = 14.96 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 506.00 TO NODE 501.50 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.452 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 22.00 SUBAREA RUNOFF(CFS) = 56.83 EFFECTIVE AREA(ACRES) = 129.00 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 129.00 PEAK FLOW RATE(CFS) = 333.20 TC(MIN) = 14.96 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 501.50 TO NODE 501.60 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 54.0 INCH PIPE IS 42.3 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 25.0 UPSTREAM NODE ELEVATION = 1900.00 DOWNSTREAM NODE ELEVATION = 1857.00 FLOWLENGTH(FEET)'= 1300.00 MANNINGS N = .013 ESTIMATED PIPE D!AMETER(INCH) = 54.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 333.20 ar TRAVEL TIME(MIN.) = .87 TC(MIN.) = 15.83 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 507.00 TO NODE 501.60 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 4 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.337 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 99.18 EFFECTIVE AREA(ACRES) = 169.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 169.00 PEAK FLOW RATE(CFS) = 419.04 TC(MIN) = 15.83 4 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 508.00 TO NODE 501.60 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.337 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 99.18 EFFECTIVE AREA(ACRES) = 209.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 209.00 PEAK FLOW RATE(CFS) = 518.22 TC(MIN) = 15.83 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 501.60 TO NODE 501.80 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 66.0 INCH PIPE IS 49.4 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 27.2 UPSTREAM NODE ELEVATION = 1857.00 DOWNSTREAM NODE ELEVATION = 1817.00 FLOWLENGTH(FEET)!= 1320.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 66.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 518.22 TRAVEL TIME(MIN.) = .81 TC(MIN.) = 16.64 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 509.00 TO NODE 501.80 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.239 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA AREA(ACRES) = 43.00 SUBAREA RUNOFF(CFS) = 102.81 EFFECTIVE AREA(ACRES) = 252.00 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 252.00 5 PEAK FLOW RATE(CFS) = 602.53 TC(MIN) = 16.64 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 501.80 TO NODE 510.10 IS CODE = 4 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< » » >USING USER - SPECIFIED PIPESIZE « «< PIPEFLOW VELOCITY(FEET /SEC.) = 10.6 UPSTREAM NODE ELEVATION = 1817.00 DOWNSTREAM NODE ELEVATION = 1815.00 FLOWLENGTH(FEET) = 1300.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 102.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 602.53 TRAVEL TIME(MIN.) = 2.04 TC(MIN.) = 18.68 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 510.00 TO NODE 510.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.021 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 87.82 EFFECTIVE AREA(ACRES) = 292.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 292.00 PEAK FLOW RATE(CFS) = 641.08 TC(MIN) = 18.68 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 510.10 TO NODE 510.20 IS CODE = 4 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< .., » »>USING USER - SPECIFIED PIPESIZE « «< PIPEFLOW VELOCITY(FEET /SEC.) = 11.3 UPSTREAM NODE ELEVATION = 1815.00 DOWNSTREAM NODE ELEVATION = 1811.00 FLOWLENGTH(FEET) = 1280.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 102.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 641.08 TRAVEL TIME(MIN.) = 1.89 TC(MIN.) = 20.56 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 510.20 TO NODE 510.20 IS CODE = 1 » »>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< 6 CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 20.56 RAINFALL INTENSITY (INCH. /HOUR) = 2.85 EFFECTIVE STREAM AREA(ACRES) = 292.00 TOTAL STREAM AREA(ACRES) = 292.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 641.08 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 511.00 TO NODE 511.00 IS CODE = 2 » »>RATIONAL METHOD INITIAL SUBAREA ANALYSIS « «< DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 3 -4 DWELLINGS /ACRE TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW - LENGTH = 1000.00 UPSTREAM ELEVATION = 1980.00 DOWNSTREAM ELEVATION = 1950.00 ELEVATION DIFFERENCE = 30.00 TC = .412 *[( 1000.00 ** 3.00)/( 30.00)] ** .20 = 13.167 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.726 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA RUNOFF(CFS) = 28.30 TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 28.30 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 511.00 TO NODE 511.10 IS CODE = 3 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 21.0 INCH PIPE IS 15.4 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 15.0 UPSTREAM NODE ELEVATION = 1950.00 DOWNSTREAM NODE ELEVATION = 1920.00 FLOWLENGTH(FEET) = 700.00 MANNINGS N = .013 ,„. ESTIMATED PIPE DIAMETER(INCH) = 21.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 28.30 TRAVEL TIME(MIN.)'= .78 TC(MIN.) = 13.94 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 512.00 TO NODE 511.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.600 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 27.17 EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH /HR) = .582 7 dai TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 54.33 TC(MIN) = 13.94 arr **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 511.10 TO NODE 513.10 IS CODE = 3 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< a DEPTH OF FLOW IN 33.0 INCH PIPE IS 25.5 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 11.0 UPSTREAM NODE ELEVATION = 1920.00 DOWNSTREAM NODE ELEVATION = 1915.00 FLOWLENGTH(FEET): = 400.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 33.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 54.33 TRAVEL TIME(MIN.) = .60 TC(MIN.) = 14.55 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 513.00 TO NODE 513.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.510 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 12.00 SUBAREA RUNOFF(CFS) = 31.62 EFFECTIVE AREA(ACRES) = 32.00 AVERAGED Fm(INCH%HR) = .582 TOTAL AREA(ACRES) = 32.00 PEAK FLOW RATE(CFS) = 84.33 TC(MIN) = 14.55 - **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 513.10 TO NODE 514.10 IS CODE = 3 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA ««< »» >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 33.0 INCH PIPE IS 23.7 INCHES err PIPEFLOW VELOCITY(FEET /SEC.) = 18.5 UPSTREAM NODE ELEVATION = 1915.00 DOWNSTREAM NODE ELEVATION = 1890.00 FLOWLENGTH(FEET) = 700.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 33.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 84.33 TRAVEL TIME(MIN.) = .63 TC(MIN.) = 15.18 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 514.00 TO NODE 514.10 IS CODE = 8 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.422 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -1 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 51.11 EFFECTIVE AREA(ACRES) = 52.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 52.00 PEAK FLOW RATE(CFS) = 132.89 TC(MIN) = 15.18 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 519.00 TO NODE 514.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW< «« 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.422 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA AREA(ACRES) = 37.00 SUBAREA RUNOFF(CFS) = 94.56 EFFECTIVE AREA(ACRES) = 89.00 AVERAGED Fm(INCH %HR) = .582 TOTAL AREA(ACRES) = 89.00 PEAK FLOW RATE(CFS) = 227.45 TC(MIN) = 15.18 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 514.10 TO NODE 515.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 48.0 INCH PIPE IS 36.5 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 22.2 UPSTREAM NODE ELEVATION = 1890.00 DOWNSTREAM NODE ELEVATION = 1850.00 FLOWLENGTH(FEET) = 1300.00 MANNINGS N = .013 ESTIMATED PIPE DTAMETER(INCH) = 48.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBkREA(CFS) = 227.45 TRAVEL TIME(MIN+= .98 TC(MIN.) = 16.16 r1 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 515.00 TO NODE 515.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.296 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 97.70 9 • • EFFECTIVE AREA(ACRES) = 129.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 129.00 PEAK FLOW RATE(CFS) = 315.09 TC(MIN) = 16.16 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 515.10 TO NODE 510.20 IS CODE = 3 » »> COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 54.0 INCH PIPE IS 42.0 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 23.8 UPSTREAM NODE ELEVATION = 1850.00 DOWNSTREAM NODE ELEVATION = 1811.00 FLOWLENGTH(FEET) = 1300.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 54.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 315.09 TRAVEL TIME(MIN.) = .91 TC(MIN.) = 17.07 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 516.00 TO NODE 510.20 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.189 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 93.85 EFFECTIVE AREA(ACRES) = 169.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 169.00 PEAK FLOW RATE(CFS) = 396.54 TC(MIN) = 17.07 • **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 510.20 TO NODE 510.20 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< » »>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES ««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 17.07 RAINFALL INTENSITY (INCH. /HOUR) = 3.19 EFFECTIVE STREAM AREA(ACRES) = 169.00 TOTAL STREAM AREA(ACRES) = 169.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 396.54 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 10 Mgt 1 641.08 20.56 2.852 .58 292.00 2 396.54 17.07 3.189 .58 169.00 a RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: r . err STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS)1 AREA(ACRES) 1 986.32 461.00 2 1007.72 411.36 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 1007.72 TIME(MINUTES) = 17.068 °"' EFFECTIVE AREA(ACRES) = 411.36 TOTAL AREA(ACRES) = 461.00 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 510.20 TO NODE 517.10 IS CODE = 4 w » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » »>USING USER - SPECIFIED PIPESIZE« «< DEPTH OF FLOW IN 102.0 INCH PIPE IS 58.3 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 30.1 UPSTREAM NODE ELEVATION = 1811.00 DOWNSTREAM NODE ELEVATION = 1775.00 FLOWLENGTH(FEET)'= 1500.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 102.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 1007.72 TRAVEL TIME(MIN.) = .83 TC(MIN.) = 17.90 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 517.00 TO NODE 517.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.099 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 90.63 EFFECTIVE AREA(ACRES) = 451.36 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES)'= 501.00 PEAK FLOW RATE(CFS) = 1022.62 TC(MIN) = 17.90; **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** +r FLOW PROCESS FROM NODE 517.10 TO NODE 518.10 IS CODE = 3 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< a » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< 11 'all. DEPTH OF FLOW INi102.0 INCH PIPE IS 72.8 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 23.6 UPSTREAM NODE ELEVATION = 1795.00 DOWNSTREAM NODE ELEVATION = 1782.00 FLOWLENGTH(FEET) = 1000.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 102.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 1022.62 TRAVEL TIME(MIN..) = .71 TC(MIN.) = 18.61 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 518.00 TO NODE 518.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.028 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 94.00 SUBAREA RUNOFF(CFS) = 206.95 EFFECTIVE AREA(ARES) = 545.36 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 595.00 PEAK FLOW RATE(CFS) = 1200.69 TC(MIN) = 18.61 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 518.10 TO NODE 518.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 18.61 RAINFALL INTENSITY (INCH. /HOUR) = 3.03 EFFECTIVE STREAM AREA(ACRES) = 545.36 TOTAL STREAM AREA(ACRES) = 595.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 1200.69 *******************'********************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 520.00 TO NODE 520.10 IS CODE = 2 » » >RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ar DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 3 -4 DWELLINGS /ACRE TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW - LENGTH = 950.00 UPSTREAM ELEVATION = 1872.00 DOWNSTREAM ELEVATION = 1843.00 ELEVATION DIFFERENCE = 29.00 TC = .412 *[( 950.00 ** 3.00)/( 29.00)] ** .20 = 12.854 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.781 SOIL CLASSIFICATION IS "A" mA t 12 AAO .r. RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA RUNOFF(CFS) = 28.79 TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 28.79 ar ***************************************** *. * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 520.10 TO NODE 520.20 IS CODE = 3 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN1 24.0 INCH PIPE IS 17.0 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 12.1 UPSTREAM NODE ELEVATION = 1843.00 DOWNSTREAM NODE ELEVATION = 1830.00 FLOWLENGTH(FEET) = 550.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 28.79 TRAVEL TIME(MIN.) = .76 TC(MIN.) = 13.61 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 521.00 TO NODE 520.20 IS CODE = 8 "' » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.653 ,,,, SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 27.64 EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH /HR) = .582 TOTAL .AREA(ACRES)= 20.00 PEAK FLOW RATE(CFS) = 55.28 TC(MIN) = 13.61 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 520.20 TO NODE 520.30 IS CODE = 3 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 30.0 INCH PIPE IS 20.3 INCHES rr PIPEFLOW VELOCITY(FEET /SEC.) = 15.7 UPSTREAM NODE ELEVATION = 1830.00 DOWNSTREAM NODE ELEVATION = 1800.00 FLOWLENGTH(FEET) = 1000,00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 30.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 55.28 TRAVEL TIME(MIN.)'= 1.06 TC(MIN.) = 14.68 y y y * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * FLOW PROCESS FROM NODE 522.00 TO NODE 520.30 IS CODE = 8 13 �wr » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.492 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 52.37 EFFECTIVE AREA(ACRES) = 40.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 40.00 PEAK FLOW RATE(CFS) = 104.75 TC(MIN) = 14.68 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 520.30 TO NODE 520.40 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 39.0 INCH PIPE IS 31.4 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 14.6 UPSTREAM NODE ELEVATION = 1800.00 DOWNSTREAM NODE ELEVATION = 1793.00 FLOWLENGTH(FEET) 400.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 39.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 104.75 TRAVEL TIME(MIN.) = .46 TC(MIN.) = 15.13 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 523.00 TO NODE 520.40 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.428 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 17.00 SUBAREA RUNOFF(CFS) = 43.55 EFFECTIVE AREA(ACRES) = 57.00 AVERAGED Fm(INCH%HR) = .582 TOTAL AREA(ACRES f = 57.00 PEAK FLOW RATE(CFS) = 146.01 TC(MIN) = 15.13 �• **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 520.40 TO NODE 518.10 IS CODE = 3 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< »» >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 45.0 INCH PIPE IS 33.8 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 16.4 UPSTREAM NODE ELEVATION = 1793.00 14 DOWNSTREAM NODE ELEVATION = 1782.00 FLOWLENGTH(FEET) = 600.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 45.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 146.01 TRAVEL TIME(MIN.) = .61 TC(MIN.) = 15.74 A **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 518.10 TO NODE 518.10 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(MINUTES) = 15.74 RAINFALL INTENSITY (INCH. /HOUR) = 3.35 EFFECTIVE STREAW AREA(ACRES) = 57.00 TOTAL STREAM AREA(ACRES) = 57.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 146.01 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 1200.69 18.61 3.028 .58 545.36 2 146.01 15.74 3.348 .58 57.00 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. .A. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 1329.83 602.36 2 1294.52 518.39 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 1329.83 TIME(MINUTES) = 18.606 EFFECTIVE AREA(ACRES) = 602.36 TOTAL AREA(ACRES) = 652.00 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 518.10 TO NODE 518.20 IS CODE = 3 » »> COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) ««< DEPTH OF FLOW IN 102.0 INCH PIPE IS 76.8 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 29.0 UPSTREAM NODE ELEVATION = 1782.00 DOWNSTREAM NODE ELEVATION = 1755.00 FLOWLENGTH(FEET) ..= 1400.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 102.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 1329.83 TRAVEL TIME(MIN.)`= .80 TC(MIN.) = 19.41 15 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 524.00 TO NODE 518.20 IS CODE = 8 » » >ADDITION OFSUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.952 SOIL CLASSIFICATSON IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 28.00 SUBAREA RUNOFF(CFS) = 59.73 EFFECTIVE AREA(ACRES) = 630.36 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 680.00 PEAK FLOW RATE(CFS) = 1344.74 TC(MIN) = 19.41 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 518.20 TO NODE 518.20 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE ««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 19.41 RAINFALL INTENSITY (INCH. /HOUR) = 2.95 EFFECTIVE STREAMtAREA(ACRES) = 630.36 TOTAL STREAM AREMACRES) = 680.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 1344.74 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 518.20 TO NODE 518.20 IS CODE = 7 » » >USER SPECIFIED HYDROLOGY INFORMATION AT NODE««< USER - SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 21.50 RAIN INTENSITY(INCH /HOUR) = 2.78 EFFECTIVE AREA(ACRES) = 472.15 TOTAL AREA(ACRES) = 587.00 PEAK FLOW RATE(CFS) = 1129.54 AVERAGED LOSS RATE, Fm(IN /HR) = .600 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 518.20 TO NODE 518.20 IS CODE = 1 • T »» >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE« «< a » »>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES« «< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 21.50 RAINFALL INTENSITY (INCH. /HOUR) = 2.78 EFFECTIVE STREAM AREA(ACRES) = 472.15 TOTAL STREAM AREA(ACRES) = 587.00 .,, PEAK FLOW RATE(CFS) AT CONFLUENCE = 1129.54 16 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 1344.74 19.41 2.952 .58 630.36 2 1129.54 21.50 2.777 .60 472.15 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 2446.80 1056.62 2 2374.62 1102.51 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 2446.80 TIME(MINUTES) = 19.410 EFFECTIVE AREA(ACRES) = 1056.62 TOTAL AREA(ACRES) = 1267.00 END OF STUDY SUMMARY: TOTAL AREA(ACRES) = 1267.00 EFFECTIVE AREA(ACRES) = 1056.62 PEAK FLOW RATE(CFS) = 2446.80 END OF RATIONAL METHOD ANALYSIS AO .4) 410 +w AM -4111 1 17 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE (Reference: 1986 SAN BERNARDINO CO. HYDROLOGY CRITERION) Copyright 1983,86,87 Advanced Engineering Software (aes) Ver. 4.1C Release Date: 5/11/87 Serial # I00908 rr Especially prepared for: HALL & FOREMAN * * * * * * * * * * * * * * * * * * * * * * * * ** DESCRIPTION OF STUDY * * * * * * * * * * * * * * * * * * * * * * * * ** AO * SAN SEVAINE MODEL, FULLY DEVELOPED CONDITION * RA WK1=R 1 25 YR , (CALCS FOR HAWKER2.DAT) L NJE - ALoNG pUNCtyM CRNYoN R Pt * V.N. /J.M., JN 3814 -023, 11/14/1988 REF: CRAW FORD 4 , ******************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FILE NAME: HAWKER1.DAT TIME /DATE OF STUDY: 10:36 11/14/1988 USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: -- *TIME-OF- CONCENTRATION MODEL*- - USER SPECIFIED STORM EVENT(YEAR) = 25.00 SPECIFIED MINIMUM PIPE SIZE(INCH) = 18.00 me SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE = .95 *USER-DEFINED LOGARITHMIC INTERPOLATION USED FOR RAINFALL* 10-YEAR STORM 60-MINUTE INTENSITY(INCH /HOUR) = 1.050 100-YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.500 COMPUTED RAINFALL INTENSITY DATA: cTORM EVENT = 25.00 1 -HOUR INTENSITY(INCH /HOUR) = 1.2050 -c: OF INTENSITY DURATION CURVE = .6000 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** Aw FLOW PROCESS FROM NODE 501.00 TO NODE 501.10 IS CODE = 2 » »> RATIONAL METHOD INITIAL SUBAREA ANALYSIS ««< DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 3-4 DWELLINGS /ACRE TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW- LENGTH = 1000.00 UPSTREAM ELEVATION = 1985.00 DOWNSTREAM ELEVATION = 1955.00 ELEVATION DIFFERENCE = 30.00 TC = .412 *E( 1000.00 ** 3.00)/( 30.00)) ** .20 = 13.167 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.994 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA RUNOFF(CFS) = 21.71 TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 21.71 msk******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** es FLOW PROCESS FROM NODE 501.10 TO NODE 501.20 IS CODE = 3 'COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA ««< »=•- >USING COMPUTER - ESTIMATED PIPESIZE (NON-PRESSURE FLOW) ««< Amp- DEPTH OF FLOW IN 21.0 INCH PIPE IS 13.4 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 13.4 mw UPSTREAM NODE ELEVATION = 1955.00 DOWNSTREAM NODE ELEVATION = 1944.00 °" FLOWLENGTH(FEET) = 300.00 MANNINGS N = .013 FSTIMATED PIPE DIAMETER(INCH) = 21.00 NUMBER OF PIPES = 1 'LOW THRU SUBAREA(CFS) = 21.71 ..�EL TIME(MIN.) = .37 TC(MIN.) = 13.54 ,ter ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 14 FLOW PROCESS FROM NODE 502.00 TO NODE 501.20 IS CODE = 8 am » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 4i 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.944 • SOIL CLASSIFICATION IS "A" RESIDENTIAL-> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 *um SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 21.26 EFFECTIVE AREA(ACRES) = 20.00 "" AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 20.00 ▪ PEAK FLOW RATE(CFS) = 42.52 Mr TC(MIN) = 13.54 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 41' FLOW PROCESS FROM NODE 501.20 TO NODE 501.30 IS CODE = 3 » »> COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< • » »>USING COMPUTER- ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< • DEPTH OF FLOW IN 27.0 INCH PIPE IS 19.5 INCHES FLOW VELOCITY(FEET /SEC.) = 13.8 `' urTREAM NODE ELEVATION = 1944.00 DOWNSTREAM NODE ELEVATION = 1931.00 • FLOWLENGTH(FEET) = 500.00 MANNINGS N = .013 ma ESTIMATED PIPE DIAMETER(INCH) = 27.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 42.52 TRAVEL TIME(MIN.) = .60 TC(MIN.) = 14.14 *rr ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** "' FLOW PROCESS FROM NODE 503.00 TO NODE 501.30 IS CODE = 8 wr » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< • 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.868 4 ++ SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 sm SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 41.15 r • EFFECTIVE AREA(ACRES) = 40.00 AVERAGED Fm(INCH /HR) = .582 mis TOTAL AREA(ACRES) = 40.00 PEAK FLOW RATE(CFS) = 82.29 • TC(MIN) = 14.14 ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** WO 't PROCESS FROM NODE 501.30 TO NODE 501.40 IS CODE = 3 as -» »COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA ««< ✓ i » »>USING COMPUTER- ESTIMATED PIPESIZE (NON-PRESSURE FLOW)« 104 DEPTH OF FLOW IN 33.0 INCH PIPE 1S 26.4 INCHES ar PIPEFLOW VELOCITY(FEET /SEC.) = 16.2 UPSTREAM NODE ELEVATION = 1931.00 "' DOWNSTREAM NODE ELEVATION = 1923.00 F!.OWLENGTH(FEET) = 300.00 MANNINGS N = .013 .ar 'RATED PIPE DIAMETER(INCH) = 33.00 NUMBER OF PIPES = 1 44 r.,EFLOW THRU SUBAREA(CFS) = 82.29 TRAVEL TIME(MIN.) = .31 TC(MIN.) = 14.45 me FLOW PROCESS FROM NODE 504.00 TO NODE 501.40 IS CODE = 8 ar » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< AN 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.831 SOIL CLASSIFICATION IS "A" is RESIDENTIAL-> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 36.00 SUBAREA RUNOFF(CFS) = 72.87 As EFFECTIVE AREA(ACRES) = 76.00 AVERAGED Fm(INCH /HR) = .582 nw TOTAL AREA(ACRES) = 76.00 40 PEAK FLOW RATE(CFS) = 153.83 TC(MIN) = 14.45 FLOW PROCESS FROM NODE 501.40 TO NODE 501.50 IS CODE = 3 err » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< » » >USING COMPUTER- ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< TN OF FLOW IN 42.0 INCH PIPE IS 31.0 INCHES •.eEFLOW VELOCITY(FEET /SEC.) = 20.2 UPSTREAM NODE ELEVATION = 1923.00 " DOWNSTREAM NODE ELEVATION = 1900.00 46 FLOWLENGTH(FEET) = 750.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 42.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 153.83 TRAVEL TIME(MIN.) _ .62 TC(MIN.) = 15.07 ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 505.00 TO NODE 501.50 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< A+ 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.761 SOIL CLASSIFICATION IS "A" • RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 31.00 SUBAREA RUNOFF(CFS) = 60.78 EFFECTIVE AREA(ACRES) = 107.00 AM AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 107.00 +r PEAK FLOW RATE(CFS) = 209.80 TC(MIN) = 15.07 AM ,J PROCESS FROM NODE 506.00 TO NODE 501.50 IS CODE = 8 AM ar » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.761 "r' SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 4. SUBAREA AREA(ACRES) = 22.00 SUBAREA RUNOFF(CFS) = 43.14 mm "�ECTIVE AREA(ACRES) = 129.00 AGED Fm(INCH/HR) = .582 luFAL AREA(ACRES) = 129.00 mm PEAK FLOW RATE(CFS) = 252.93 moo TC(MIN) = 15.07 As ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** AO FLOW PROCESS FROM NODE 501.50 TO NODE 501.60 IS CODE = 3 Am » »»COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< moo » »»USING COMPUTER-ESTIMATED PIPESIZE (NON- PRESSURE FLOW)««< ""' DEPTH OF FLOW IN 48.0 INCH PIPE IS 39.1 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 23.1 UPSTREAM NODE ELEVATION = 1900.00 DOWNSTREAM NODE ELEVATION = 1857.00 FLOWLENGTH(FEET) = 1300.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 48.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 252.93 TRAVEL TIME(MIN.) = .94 TC(MIN.) = 16.01 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 507.00 TO NODE 501.60 IS CODE = 8 rr » »»ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< ; YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.662 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3-4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 74.89 mm EFFECTIVE AREA(ACRES) = 169.00 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 169.00 PEAK FLOW RATE(CFS) = 316.42 " TC(MIN) = 16.01 AA FLOW PROCESS FROM NODE 508.00 TO NODE 501.60 IS CODE = 8 #w » » »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.662 '"' SOIL CLASSIFICATION IS "A" MO RESIDENTIAL-> 3-4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 74.89 EFFECTIVE AREA(ACRES) = 209.00 mm AVERAGED Fm(INCH/HR) = .582 OW TOTAL AREA(ACRES) = 209.00 PEAK FLOW RATE(CFS) = 391.32 *" TC(MIN) = 16.01 mo FLOW PROCESS FROM NODE 501.60 TO NODE 501.80 IS CODE = 3 mow » »»COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< "" » »»USING COMPUTER-ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< Am der DEPTH OF FLOW IN 60.0 INCH PIPE IS 43.9 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 25.4 l' °STREAM NODE ELEVATION = 1857.00 (STREAM NODE ELEVATION = 1817.00 ..JWLENGTH(FEET) = 1320.00 MANNINGS N = .013 Am ESTIMATED PIPE DIAMETER(INCH) = 60.00 NUMBER OF PIPES = 1 AM PIPEFLOW THRU SUBAREA(CFS) = 391.32 TRAVEL TIME(MIN.) = .87 TC(MIN.) = 16.88 mm FLOW PROCESS FROM NODE 509.00 TO NODE 501.80 IS CODE = 8 40 » »»ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< -a. 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.580 SOIL CLASSIFICATION IS "A" • RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 43.00 SUBAREA RUNOFF(CFS) = 77.31 EFFECTIVE AREA(ACRES) = 252.00 is AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 252.00 ,. PEAK FLOW RATE(CFS) = 453.05 TC(MIN) = 16.88 FLOW PROCESS FROM NODE 501.80 TO NODE 510.10 IS CODE = 3 » »»COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA ««< »USING COMPUTER-ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 108.0 INCH PIPE IS 84.0 INCHES • PIPEFLOW VELOCITY(FEET /SEC.) = 8.5 UPSTREAM NODE ELEVATION = 1817.00 • DOWNSTREAM NODE ELEVATION = 1815.00 FLOWLENGTH(FEET) = 1300.00 MANNINGS N = .013 m. ESTIMATED PIPE DIAMETER(INCH) = 108.00 NUMBER OF PIPES = 1 0► PIPEFLOW THRU SUBAREA(CFS) = 453.05 TRAVEL TIME(MIN.) = 2.54 TC(MIN.) = 19.41 aw ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 510.00 TO NODE 510.10 IS CODE = 8 Aft AM » »»ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< "ft 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.372 SOIL CLASSIFICATION IS "A" 411 RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 AM SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 64.43 EFFECTIVE AREA(ACRES) = 292.00 AO AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 292.00 AM PEAK FLOW RATE(CFS) = 470.31 TC(MIN) = 19.41 am. ..****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * ** * ** de FLOW PROCESS FROM NODE 510.10 TO NODE 510.20 IS CODE = 3 ""` » »»COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< ar » »>USING COMPUTER- ESTIMATED PIPESIZE (NON- PRESSURE FLOW)« «< ""' DEPTH OF FLOW IN 96.0 INCH PIPE IS 74.4 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 11.2 Aum TREAM NODE ELEVATION = 1815.00 ,,.,WNSTREAM NODE ELEVATION = 1811.00 AA FLOWLENGTH(FEET) = 1280.00 MANNINGS N = .013 mg ESTIMATED PIPE DIAMETER(INCH) = 96.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 470.31 "w TRAVEL TIME(MIN.) = 1.90 TC(MIN.) = 21.31 Air ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** a FLOW PROCESS FROM NODE 510.20 TO NODE 510.20 IS CODE = 1 » »>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< Aft CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: Aw TIME OF CONCENTRATION(MINUTES) = 21.31 RAINFALL INTENSITY (INCH. /HOUR) = 2.24 EFFECTIVE STREAM AREA(ACRES) = 292.00 • TOTAL STREAM AREA(ACRES) = 292.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 470.31 • ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 511.00 TO NODE 511.00 IS CODE = 2 Aw » »>RATIONAL METHOD INITIAL SUBAREA ANALYSIS « «< ,, DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 3 -4 DWELLINGS /ACRE = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW- LENGTH = 1000.00 `-' UPSTREAM ELEVATION = 1980.00 AA DOWNSTREAM ELEVATION = 1950.00 ELEVATION DIFFERENCE = 30.00 AA TC = .412 *[( 1000.00 ** 3.00)/( 30.00)] ** .20 = 13.167 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.994 '+** SOIL CLASSIFICATION IS "A" RESIDENTIAL-> 3-4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 ^' SUBAREA RUNOFF(CFS) = 21.71 TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 21.71 aw mal arr FLOW PROCESS FROM NODE 511.00 TO NODE 511.10 IS CODE = 3 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< » »>USING COMPUTER-ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 21.0 INCH PIPE IS 12.7 INCHES AA PIPEFLOW VELOCITY(FEET /SEC.) = 14.3 r UPSTREAM NODE ELEVATION = 1950.00 DOWNSTREAM NODE ELEVATION = 1920.00 'm FLOWLENGTH(FEET) = 700.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 21.00 NUMBER OF PIPES = 1 • "'PEFLOW THRU SUBAREA(CFS) = 21.71 VEL TIME(MIN.) = .82 TC(MIN.) = 13.98 Ma ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ""` FLOW PROCESS FROM NODE 512.00 TO NODE 511.10 IS CODE = 8 AA Aw » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.888 40 L CLASSIFICATION IS "A" rcSIDENTIAL-> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 20.75 rll EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH /HR) = .582 - "ft TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 41.50 • TC(MIN) = 13.98 FLOW PROCESS FROM NODE 511.10 TO NODE 513.10 IS CODE = 3 .a. » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< • »»>USING COMPUTER ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 30.0 INCH PIPE IS 22.9 INCHES Aw PIPEFLOW VELOCITY(FEET /SEC.) = 10.3 UPSTREAM NODE ELEVATION = 1920.00 • DOWNSTREAM NODE ELEVATION = 1915.00 FLOWLENGTH(FEET) = 400.00 MANNINGS N = .013 • ESTIMATED PIPE DIAMETER(INCH) = 30.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 41.50 TRAVEL TIME(MIN.) = .64 TC(MIN.) = 14.63 war ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** )W PROCESS FROM NODE 513.00 TO NODE 513.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.811 SOIL CLASSIFICATION IS "A" RESIDENTIAL-> 3-4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 12.00 SUBAREA RUNOFF(CFS) = 24.07 .., EFFECTIVE AREA(ACRES) = 32.00 AVERAGED Fm(INCH /HR) = .582 -- TOTAL AREA(ACRES) = 32.00 PEAK FLOW RATE(CFS) = 64.18 TC(MIN) = 14.63 FLOW PROCESS FROM NODE 513.10 TO NODE 514.10 IS CODE = 3 Aft »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< 4 » »>USING COMPUTER- ESTIMATED PIPESIZE (NON-PRESSURE FLOW) « «< • DEPTH OF FLOW IN 30.0 INCH PIPE IS 21.2 INCHES da PIPEFLOW VELOCITY(FEET /SEC.) = 17.3 UPSTREAM NODE ELEVATION = 1915.00 w DOWNSTREAM NODE ELEVATION = 1890.00 FLOWLENGTH(FEET) = 700.00 MANNINGS N = .013 • - STIMATED PIPE DIAMETER(INCH) = 30.00 NUMBER OF PIPES = 1 ,aaa ;EFLOW THRU SUBAREA(CFS) = 64.18 TRAVEL TIME(MIN.) = .68 TC(MIN.) = 15.30 rar ae******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** aw FLOW PROCESS FROM NODE 514.00 TO NODE 514.10 IS CODE = 8 "'* » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< wr 5 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.735 10 ..uIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 AN SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 38.76 EFFECTIVE AREA(ACRES) = 52.00 +► AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 52.00 ar PEAK FLOW RATE(CFS) = 100.78 TC(MIN) = 15.30 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 00 FLOW PROCESS FROM NODE 519.00 TO NODE 514.10 IS CODE = 8 ai » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.735 ,, SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3-4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 37.00 SUBAREA RUNOFF(CFS) = 71.71 EFFECTIVE AREA(ACRES) = 89.00 -4 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 89.00 "° PEAK FLOW RATE(CFS) = 172.49 TC(MIN) = 15.30 Aft I . rLOW PROCESS FROM NODE 514.10 TO NODE 515.10 IS CODE = 3 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » »>USING COMPUTER- ESTIMATED PIPESIZE (NON- PRESSURE FLOW)««< DEPTH OF FLOW IN 45.0 INCH PIPE IS 31.4 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 21.0 UPSTREAM NODE ELEVATION = 1890.00 DOWNSTREAM NODE ELEVATION = 1850.00 FLOWLENGTH(FEET) = 1300.00 MANNINGS N = .013 4« ESTIMATED PIPE DIAMETER(INCH) = 45.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 172.49 TRAVEL TIME(MIN.) = 1.03 TC(MIN.) = 16.34 ar ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** • FLOW PROCESS FROM NODE 515.00 TO NODE 515.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< ma 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.630 ar SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 dm SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 73.73 EFFECTIVE AREA(ACRES) = 129.00 • "TRACED Fm(INCH /HR) = .582 TAL AREA(ACRES) = 129.00 • PEAK FLOW RATE(CFS) = 237.79 ,w TC(MIN) = 16.34 *m ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 515.10 TO NODE 510.20 IS CODE = 3 >» »COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< moo »USING COMPUTER-ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< a DEPTH OF FLOW IN 48.0 INCH PIPE IS 38.5 INCHES 40 PIPEFLOW VELOCITY(FEET /SEC.) = 22.0 UPSTREAM NODE ELEVATION = 1850.00 44 DOWNSTREAM NODE ELEVATION = 1811.00 FLOWLENGTH(FEET) = 1300.00 MANNINGS N = .013 ow ESTIMATED PIPE DIAMETER(INCH) = 48.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 237.79 TRAVEL TIME(MIN.) = .99 TC(MIN.) = 17.32 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 516.00 TO NODE 510.20 IS CODE = 8 woo » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< AA ,iy 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.539 SOIL CLASSIFICATION IS "A" ,.. RESIDENTIAL-> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 70.47 • EFFECTIVE AREA(ACRES) = 169.00 AVERAGED Fm(INCH /HR) = .582 mm TOTAL AREA(ACRES) = 169.00 ar PEAK FLOW RATE(CFS) = 297.72 TC(MIN) = 17.32 . Y*nl****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 510.20 TO NODE 510.20 IS CODE = 1 » »>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< mm » »>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES « «< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 17.32 RAINFALL INTENSITY (INCH. /HOUR) = 2.54 EFFECTIVE STREAM AREA(ACRES) = 169.00 TOTAL STREAM AREA(ACRES) = 169.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 297.72 man CONFLUENCE INFORMATION: +/ STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 470.31 21.31 2.243 .58 292.00 2 297.72 17.32 2.539 .58 169.00 mei RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO wig CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: A STREAM CONFLUENCE EFFECTIVE NUMBER 0(CFS) AREA(ACRES) ow 1 722.88 461.00 mm 2 748.36 406.37 mw COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 748.36 TIME(MINUTES) = 17.322 EFFECTIVE AREA(ACRES) = 406.37 AM AA we TOTAL AREA(ACRES) = 461.00 AA * ** * * **** * ****** ** ******** i.****, r******, t, t**, r, t*, t*** * ** * *w*** * *,t * * *****,ti. *,t **** ar W PROCESS FROM NODE 510.20 TO NODE 517.10 IS CODE = 3 AA » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< ar »» >USING COMPUTER - ESTIMATED PIPESIZE ( NON-PRESSURE FLOW) « «< 'O DEPTH OF FLOW IN 78.0 INCH PIPE IS 60.4 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 27.1 • UPSTREAM NODE ELEVATION = 1811.00 DOWNSTREAM NODE ELEVATION = 1775.00 FLOWLENGTH(FEET) = 1500.00 MANNINGS N = .013 :ee ESTIMATED PIPE DIAMETER(INCH) = 78.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 748.36 Am TRAVEL TIME(MIN.) _ .92 TC(MIN.) = 18.24 me ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** Ak FLOW PROCESS FROM NODE 517.00 TO NODE 517.10 IS CODE = 8 At »» >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.462 r SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 - DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 " SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 67.67 EFFECTIVE AREA(ACRES) = 446.37 Aw AVERAGED Fm(INCH /HR) = .582 „ TOTAL AREA(ACRES) = 501.00 aK FLOW RATE(CFS) = 755.11 4r 1C(MIN) = 18.24 ren FLOW PROCESS FROM NODE 517.10 TO NODE 518.10 IS CODE = 3 AA » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< • »» >USING COMPUTER- ESTIMATED PIPESIZE (NON-PRESSURE FLOW) « «< DEPTH OF FLOW IN 87.0 INCH PIPE IS 69.0 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 21.5 UPSTREAM NODE ELEVATION = 1795.00 DOWNSTREAM NODE ELEVATION = 1782.00 FLOWLENGTH(FEET) = 1000.00 MANNINGS N = .013 de ESTIMATED PIPE DIAMETER(INCH) = 87.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 755.11 Am TRAVEL TIME(MIN.) = .77 TC(MIN.) = 19.02 4111 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** .ms FLOW PROCESS FROM NODE 518.00 TO NODE 518.10 IS CODE = 8 air » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< Am 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.401 err - 11L CLASSIFICATION IS "A" .e� SIDENTIAL -> 3 - DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 94.00 SUBAREA RUNOFF(CFS) = 153.89 ✓ EFFECTIVE AREA(ACRES) = 540.37 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 595.00 mw aoi PEAK FLOW RATE(CFS) = 884.63 TC(MIN) = 19.02 wr **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 1-LOW PROCESS FROM NODE 518.10 TO NODE 518.10 IS CODE = 1 AN » »>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE «« < CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: • TIME OF CONCENTRAT!ON(MINUTES) = 19.02 RAINFALL INTENSITY (INCH. /HOUR) = 2.40 EFFECTIVE STREAM AREA(ACRES) = 540.37 TOTAL STREAM AREA(ACRES) = 595.00 40 PEAK FLOW RATE(CFS) AT CONFLUENCE = 884.63 AM ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 520.00 TO NODE 520.10 IS CODE = 2 » »>RATIONAL METHOD INITIAL SUBAREA ANALYSIS ««< AM DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 3-4 DWELLINGS /ACRE TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 • INITIAL SUBAREA FLOW-LENGTH = 950.00 UPSTREAM ELEVATION = 1872.00 • DOWNSTREAM ELEVATION = 1843.00 d is ELEVATION DIFFERENCE = 29.00 TC = .412 *[( 950.00 ** 3.00)/( 29.00)] ** .20 = 12.854 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.037 IL CLASSIFICATION IS "A" """ RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) _ .5820 SUBAREA RUNOFF(CFS) = 22.10 • TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 22.10 4W ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 520.10 TO NODE 520.20 IS CODE = 3 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< » »>USING COMPUTER- ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< • DEPTH OF FLOW IN 21.0 INCH PIPE IS 16.0 INCHES • PIPEFLOW VELOCITY(FEET /SEC.) = 11.2 UPSTREAM NODE ELEVATION = 1843.00 ` DOWNSTREAM NODE ELEVATION = 1830.00 FLOWLENGTH(FEET) = 550.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 21.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 22.10 TRAVEL TIME(MIN.) = .82 TC(MIN.) = 13.67 4.******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 521.00 TO NODE 520.20 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.927 aft SOIL CLASSIFICATION IS "A" *r► RESIDENTIAL-> 3-4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 21.10 -"" EFFECTIVE AREA(ACRES) = 20.00 mr ma ar AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 20.00 "°" PEAK FLOW RATE(CFS) = 42.21 Tr(MIN) = 13.67 OW AM ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** Mig FLOW PROCESS FROM NODE 520.20 TO NODE 520.30 IS CODE = 3 AO » »COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » »USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)««< *s DEPTH OF FLOW IN 27.0 INCH PIPE IS 18.4 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 14.6 40 UPSTREAM NODE ELEVATION = 1830.00 DOWNSTREAM NODE ELEVATION = 1800.00 ma FLOWLENGTH(FEET) = 1000.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 27.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 42.21 TRAVEL TIME(MIN.) = 1.14 TC(MIN.) = 14.81 air ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** A FLOW PROCESS FROM NODE 522.00 TO NODE 520.30 IS CODE = 8 4. » »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 4114 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.790 SOIL CLASSIFICATION IS "A" mr RESIDENTIAL -> 3-4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 ,,., cUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 39.74 :ECTIVE AREA(ACRES) = 40.00 "r AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 40.00 " PEAK FLOW RATE(CFS) = 79.47 TC(MIN) = 14.81 ma ma ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** "Ils FLOW PROCESS FROM NODE 520.30 TO NODE 520.40 IS CODE = 3 • » »COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< » »USING COMPUTER-ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 36.0 INCH PIPE IS 27.3 INCHES ma PIPEFLOW VELOCITY(FEET /SEC.) = 13.8 "wr UPSTREAM NODE ELEVATION = 1800.00 DOWNSTREAM NODE ELEVATION = 1793.00 '"'" FLOWLENGTH(FEET) = 400.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 79.47 TRAVEL TIME(MIN.) = .48 TC(MIN.) = 15.29 mm 40 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** "" FLOW PROCESS FROM NODE 523.00 TO NODE 520.40 IS CODE = 8 alr »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< am 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.736 rr SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 °" SUBAREA AREA(ACRES) = 17.00 SUBAREA RUNOFF(CFS) = 32.96 woo EFFECTIVE AREA(ACRES) = 57.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 57.00 'FAK FLOW RATE(CFS) = 110.52 • MIN) = 15.29 lot FLOW PROCESS FROM NODE 520.40 TO NODE 518.10 IS CODE = 3 » »> COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< *r » »>USING COMPUTER-ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< • DEPTH OF FLOW IN 42.0 INCH PIPE IS 29.3 INCHES rr PIPEFLOW VELOCITY(FEET /SEC.) = 15.4 UPSTREAM NODE ELEVATION = 1793.00 Aft DOWNSTREAM NODE ELEVATION = 1782.00 FLOWLENGTH(FEET) = 600.00 MANNINGS N = .013 • ESTIMATED PIPE DIAMETER(1NCH) = 42.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 110.52 Aft TRAVEL TIME(MIN.) = .65 TC(MIN.) = 15.94 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 518.10 TO NODE 518.10 IS CODE = 1 WW » »>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< "" » »>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES « «< • CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 15.94 .NFALL INTENSITY (INCH. /HOUR) = 2.67 +"+ tFFECTIVE STREAM AREA(ACRES) = 57.00 TOTAL STREAM AREA(ACRES) = 57.00 " PEAK FLOW RATE(CFS) AT CONFLUENCE = 110.52 AW CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) wr 1 884.63 19.02 2.401 .58 540.37 • 2 110.52 15.94 2.669 .58 57.00 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: >rr STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) ass 1 980.95 597.37 ar 2 961.36 509.95 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: Aft PEAK FLOW RATE(CFS) = 980.95 TIME(MINUTES) = 19.018 mo EFFECTIVE AREA(ACRES) = 597.37 TOTAL AREA(ACRES) = 652.00 OW PROCESS FROM NODE 518.10 TO NODE 518.20 IS CODE = 3 Aft _ - » »> COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< » »>USING COMPUTER-ESTIMATED PIPESIZE (NON- PRESSURE FLOW)« «< Ma Oft ar DEPTH OF FLOW IN 93.0 INCH PIPE IS 70.6 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 25.5 " UPSTREAM NODE ELEVATION = 1782.00 err " NODE ELEVATION = 1755.00 dLENGTH(FEET) = 1600.00 MANNINGS N = .013 taTIMATED PIPE DIAMETER(INCH) = 93.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 980.95 4, TRAVEL TIME(MIN.) = 1.04 TC(MIN.) = 20.06 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** am FLOW PROCESS FROM NODE 524.00 TO NODE 518.20 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< err 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.325 4 " SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(1NCH /HR) = .5820 SUBAREA AREA(ACRES) = 28.00 SUBAREA RUNOFF(CFS) = 43.93 EFFECTIVE AREA(ACRES) = 625.37 AVERAGED Fm(INCH /HR) = .582 *0 TOTAL AREA(ACRES) = 680.00 PEAK FLOW RATE(CFS) = 981.13 TC(MIN) = 20.06 ,ter ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 518.20 TO NODE 518.20 IS CODE = 1 w » »>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE ««< 1FLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: '"° 11ME OF CONCENTRATION(MINUTES) = 20.06 RAINFALL INTENSITY (INCH. /HOUR) = 2.33 EFFECTIVE STREAM AREA(ACRES) = 625.37 600 TOTAL STREAM AREA(ACRES) = 680.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 981.13 FLOW PROCESS FROM NODE 518.20 TO NODE 518.20 IS CODE = 7 » »>USER SPECIFIED HYDROLOGY INFORMATION AT NODE « «< w USER - SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 22.28 RAIN INTENSITY(INCH /HOUR) = 2.18 I / 40 EFFECTIVE AREA(ACRES) = 467.88 FROM (g A VJ Fp (ZD TOTAL AREA(ACRES) = 587.00 PEAK FLOW RATE(CFS) = 823.39 "'" AVERAGED LOSS RATE, Fm(IN /HR) = .600 S c KI)W Pot 9 >=fu ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** mu FLOW PROCESS FROM NODE 518.20 TO NODE 518.20 IS CODE = 1 ar » »>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< 40 e » »>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES « «< 'INFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: "w ME OF CONCENTRATION(MINUTES) = 22.28 RAINFALL INTENSITY (INCH. /HOUR) = 2.18 40 EFFECTIVE STREAM AREA(ACRES) = 467.88 TOTAL STREAM AREA(ACRES) = 587.00 "" PEAK FLOW RATE(CFS) AT CONFLUENCE = 823.39 awl or or CONFLUENCE INFORMATION: lift STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE ' "MBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) aw or 1 981.13 20.06 2.325 .58 625.37 2 823.39 22.28 2.184 .60 467.88 err RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO or CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: • STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) or , 1 1788.96 1046.72 2 1724.81 1093.25 • COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 1788.96 TIME(MINUTES) = 20.063 40 EFFECTIVE AREA(ACRES) = 1046.72 TOTAL AREA(ACRES) = 1267.00 ar END OF STUDY SUMMARY: TOTAL AREA(ACRES) = 1267.00 4m EFFECTIVE AREA(ACRES) = 1046.72 PEAK FLOW RATE(CFS) = 1788.96 AO END OF RATIONAL METHOD ANALYSIS or or or Aw or re or «r or or ar or 40 44 40 44 40 .rr ,.w AMY oft **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE (Reference: 1986 SAN BERNARDINO CO. HYDROLOGY CRITERION) Copyright 1983,86,87 Advanced Engineering Software (aes) Ver. 4.1C Release Date: 5/11/87 Serial # I00908 Especially prepared for: HALL & FOREMAN * * * * * * * * * * * * * * * * * * * * * * * * ** DESCRIPTION OF STUDY * * * * * * * * * * * * * * * * * * * * ** * NORTH FONTANA MASTER STORM DRAIN PLAN, HAWKER 2 LINE, LINE "A" * Q 100 -YEAR * JN3547 *************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FILE NAME: HAWKER2.100 TIME /DATE OF STUDY: 3:42 1/ 1/1980 USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: -- *TIME -OF- CONCENTRATION MODEL*- - USER SPECIFIED STORM EVENT(YEAR) = 100.00 SPECIFIED MINIMUM PIPE SIZE(INCH) = 18.00 SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE = *USER- DEFINED LOGARITHMIC INTERPOLATION USED FOR RAINFALL* 10 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.150 100 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.660 COMPUTED RAINFALL INTENSITY DATA: STORM EVENT = 100.00 1 -HOUR INTENSITY(INCH /HOUR) = 1.6600 SLOPE OF INTENSITY DURATION CURVE = .6000 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 518.20 TO NODE 518.20 IS CODE = 7 » »>USER SPECIFIED HYDROLOGY INFORMATION AT NODE « «< USER - SPECIFIED VALUES ARE AS FOLLOWS: fkom TC(MIN) = 19.41 RAIN INTENSITY(INCH /HOUR) = 3.27 EFFECTIVE AREA(ACRES) = 1056.62 , 1 TOTAL AREA(ACRES) = 1267.00 PEAK FLOW RATE(CFS) = 2446.80, AVERAGED LOSS RATE, Fm(IN/HR) = .580 4//./. A 0 ** *ERROR; SPECIFIED LOSS RATE, FM IS LESS THAN MINIMUM s'cc POSSIBLE VALUE OF . 69 (INCHES /HOUR) � . y✓ �K r ;'L ) / .4 c **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 518.20 TO NODE 525.10 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL - CHANNEL FLOW « « < » »>TRAVELTIME THRU SUBAREA« «< 1 UPSTREAM NODE ELEVATION = 1755.00 DOWNSTREAM NODE ELEVATION = 1740.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 500.00 CHANNEL BASE(FEET) = 10.00 "Z" FACTOR = .000 MANNINGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 9.50 CHANNEL FLOW THRU SUBAREA(CFS) = 2446.80 FLOW VELOCITY(FEET /SEC) = 34.98 FLOW DEPTH(FEET) = 7.00 TRAVEL TIME(MIN.) = .24 TC(MIN.) = 19.65 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 525.00 TO NODE 525.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.243 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 21.00 SUBAREA RUNOFF(CFS) = 50.30 EFFECTIVE AREA(ACRES) = 1077.62 AVERAGED Fm(INCH /HR) = .580 TOTAL AREA(ACRES) = 1288.00 PEAK FLOW RATE(CFS) = 2583.11 TC(MIN) = 19.65 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 525.10 TO NODE 804.10 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL - CHANNEL FLOW««< » » >TRAVELTIME THRU SUBAREA« «< UPSTREAM NODE ELEVATION = 1740.00 DOWNSTREAM NODE ELEVATION = 1700.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1450.00 CHANNEL BASE(FEET) = 10.00 "Z" FACTOR = .000 MANNINGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 9.50 CHANNEL FLOW THRU SUBAREA(CFS) = 2583.11 FLOW VELOCITY(FEET /SEC) = 34.21 FLOW DEPTH(FEET) = 7.55 TRAVEL TIME(MIN.) = .71 TC(MIN.) = 20.35 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 804.10 TO NODE 804.10 IS CODE = 1 » »>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE« «< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 20.35 RAINFALL INTENSITY (INCH. /HOUR) = 3.18 EFFECTIVE STREAM AREA(ACRES) = 1077.62 TOTAL STREAM AREA(ACRES) = 1288.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 2583.11 2 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 701.00 TO NODE 701.10 IS CODE = 2 » » >RATIONAL METHOD INITIAL SUBAREA ANALYSIS« «< NATURAL AVERAGE COVER TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW - LENGTH = 1100.00 UPSTREAM ELEVATION = 3700.00 DOWNSTREAM ELEVATION = 3120.00 ° ELEVATION DIFFERENCE = 580.00 TC = .706 *[( 1100.00 ** 3.00)/( 580.00)] ** .20 = 13.212 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 4.116 SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH /HR) = .5600 SUBAREA RUNOFF(CFS) = 32.00 TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 32.00 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 701.10 TO NODE 702.10 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL- CHANNEL FLOW « «< » » >TRAVELTIME THRU SUBAREA««< UPSTREAM NODE ELEVATION = 3120.00 DOWNSTREAM NODE ELEVATION = 3040.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 400.00 CHANNEL BASE(FEET) = 20.00 "Z" FACTOR = 5.000 MANNINGS FACTOR = .022 MAXIMUM DEPTH(FEET) = 2.00 CHANNEL FLOW THRU SUBAREA(CFS) = 32.00 FLOW VELOCITY(FEET /SEC) = 8.93 FLOW DEPTH(FEET) = .17 TRAVEL TIME(MIN.) = .75 TC(MIN.) = 13.96 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 702.00 TO NODE 702.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.982 SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH /HR) = .5600 SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 30.80 EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH /HR) = .560 TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 61.60 TC(MIN) = 13.96 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 702.10 TO NODE 703.10 IS CODE = 5 3 » »>COMPUTE TRAPEZOIDAL - CHANNEL FLOW««< » »>TRAVELTIME THRU SUBAREA ««< UPSTREAM NODE ELEVATION = 3040.00 DOWNSTREAM NODE ELEVATION = 2820.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 700.00 CHANNEL BASE(FEET) = 20.00 "Z" FACTOR = 5.000 MANNINGS FACTOR = .022 MAXIMUM DEPTH(FEET) = 2.00 CHANNEL FLOW THRU SUBAREA(CFS) = 61.60 FLOW VELOCITY(FEET /SEC) = 12.41 FLOW DEPTH(FEET) = .23 TRAVEL TIME(MIN.) = .94 TC(MIN.) = 14.90 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 703.00 TO NODE 703.10 IS CODE = 8 0 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.829 SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 58.85 EFFECTIVE AREA(ACRES) = 40.00 AVERAGED Fm(INCH /HR) = .560 TOTAL AREA(ACRES) = 40.00 PEAK FLOW RATE(CFS) = 117.69 TC(MIN) = 14.90 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 703.10 TO NODE 704.10 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL - CHANNEL FLOW « «< » » >TRAVELTIME THRU SUBAREA« «< UPSTREAM NODE ELEVATION = 2820.00 DOWNSTREAM NODE ELEVATION = 2520.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1050.00 CHANNEL BASE(FEET) = 20.00 "Z" FACTOR = 5.000 MANNINGS FACTOR = .022 MAXIMUM DEPTH(FEET) = 2.00 CHANNEL FLOW THRU SUBAREA(CFS) = 117.69 FLOW VELOCITY(FEET /SEC) = 16.57 FLOW DEPTH(FEET) = .33 TRAVEL TIME(MIN.) = 1.06 TC(MIN.) = 15.95 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** °' FLOW PROCESS FROM NODE 704.00 TO NODE 704.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.675 SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 SUBAREA AREA(ACRES) = 38.00 SUBAREA RUNOFF(CFS) = 106.54 EFFECTIVE AREA(ACRES) = 78.00 4 AVERAGED Fm(INCH /HR) = .560 TOTAL AREA(ACRES) = 78.00 PEAK FLOW RATE(CFS) = 218.68 TC(MIN) = 15.95 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 704.10 TO NODE 705.10 IS CODE = 5 » »>COMPUTE TRAPEZOIDAL - CHANNEL FLOW««< » » >TRAVELTIME THRU SUBAREA « «< UPSTREAM NODE ELEVATION = 2520.00 DOWNSTREAM NODE ELEVATION = 2300.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 2000.00 CHANNEL BASE(FEET) = 20.00 "Z" FACTOR = 5.000 MANNINGS FACTOR = .022 MAXIMUM DEPTH(FEET) = 2.00 CHANNEL FLOW THRU SUBAREA(CFS) = 218.68 FLOW VELOCITY(FEET /SEC) = 14.71 FLOW DEPTH(FEET) = .64 TRAVEL TIME(MIN.) = 2.27 TC(MIN.) = 18.22 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 706.00 TO NODE 705.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.394 SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH /HR) = .5600 SUBAREA AREA(ACRES) = 70.00 SUBAREA RUNOFF(CFS) = 178.52 EFFECTIVE AREA(ACRES) = 148.00 AVERAGED Fm(INCH /HR) = .560 TOTAL AREA(ACRES) = 148.00 PEAK FLOW RATE(CFS) = 377.45 TC(MIN) = 18.22 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 705.00 TO NODE 705.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.394 SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH /HR) = .5600 SUBAREA AREA(ACRES) = 106.00 SUBAREA RUNOFF(CFS) = 270.33 EFFECTIVE AREA(ACRES) = 254.00 AVERAGED Fm(INCH /HR) = .560 0 TOTAL AREA(ACRES) = 254.00 PEAK FLOW RATE(CFS) = 647.78 TC(MIN) = 18.22 r **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 0 5 ,r { FLOW PROCESS FROM NODE 705.10 TO NODE 708.10 IS CODE = 5 » »>COMPUTE TRAPEZOIDAL - CHANNEL FLOW« «< » » >TRAVELTIME THRU SUBAREA« «< UPSTREAM NODE ELEVATION = 2300.00 DOWNSTREAM NODE ELEVATION = 1950.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 3000.00 CHANNEL BASE(FEET) = 20.00 "Z" FACTOR = 5.000 MANNINGS FACTOR = .022 MAXIMUM DEPTH(FEET) = 2.00 CHANNEL FLOW THRU SUBAREA(CFS) = 647.78 FLOW VELOCITY(FEET /SEC) = 22.10 FLOW DEPTH(FEET) = 1.14 0 TRAVEL TIME(MIN.) = 2.26 TC(MIN.) = 20.48 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 707.00 TO NODE 708.10 IS CODE = 8 »»>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.163 SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH /HR) = .5600 SUBAREA AREA(ACRES) = 108.00 SUBAREA RUNOFF(CFS) = 253.06 EFFECTIVE AREA(ACRES) = 362.00 AVERAGED Fm(INCH/HR) = .560 TOTAL AREA(ACRES) = 362.00 PEAK FLOW RATE(CFS) = 848.21 TC(MIN) = 20.48 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 708.00 TO NODE 708.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.163 SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH /HR) = .5600 SUBAREA AREA(ACRES) = 74.00 SUBAREA RUNOFF(CFS) = 173.39 EFFECTIVE AREA(ACRES) = 436.00 AVERAGED Fm(INCH /HR) = .560 TOTAL AREA(ACRES) = 436.00 PEAK FLOW RATE(CFS) = 1021.60 TC(MIN) = 20.48 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 708.10 TO NODE 801.10 IS CODE = 5 ar » »>COMPUTE TRAPEZOIDAL - CHANNEL FLOW««< » » >TRAVELTIME THRU SUBAREA « «< UPSTREAM NODE ELEVATION = 1950.00 DOWNSTREAM NODE ELEVATION = 1840.00 " 6 0 CHANNEL LENGTH THRU SUBAREA(FEET) = 2000.00 CHANNEL BASE(FEET) = 20.00 "Z" FACTOR = 5.000 MANNINGS FACTOR = .022 MAXIMUM DEPTH(FEET) = 2.50 CHANNEL FLOW THRU SUBAREA(CFS) = 1021.60 FLOW VELOCITY(FEET /SEC) = 19.34 FLOW DEPTH(FEET) = 1.82 TRAVEL TIME(MIN.) = 1.72 TC(MIN.) = 22.21 * * * * * * * * * * * * * * * * ** ********************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 801.00 TO NODE 801.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.014 SOIL CLASSIFICATION IS "B" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4 SUBAREA AREA(ACRES) = 161.00 SUBAREA RUNOFF(CFS) = 371.49 EFFECTIVE AREA(ACRES) = 597.00 AVERAGED Fm(INCH /HR) = .530 TOTAL AREA(ACRES) = 597.00 PEAK FLOW RATE(CFS) = 1334.35 TC(MIN) = 22.21 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 801.10 TO NODE 802.10 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL- CHANNEL FLOW ««< » »>TRAVELTIME THRU SUBAREA ««< UPSTREAM NODE ELEVATION = 1840.00 DOWNSTREAM NODE ELEVATION = 1790.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1300.00 CHANNEL BASE(FEET) = 20.00 "Z" FACTOR = 5.000 MANNINGS FACTOR = .022 MAXIMUM DEPTH(FEET) = 3.00 CHANNEL FLOW THRU SUBAREA(CFS) = 1334.35 FLOW VELOCITY(FEET /SEC) = 18.58 FLOW DEPTH(FEET) = 2.29 TRAVEL TIME(MIN.) = 1.17 TC(MIN.) = 23.37 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 802.00 TO NODE 802.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.923 "' SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 124.00 SUBAREA RUNOFF(CFS) = 261.22 EFFECTIVE AREA(ACRES) = 721.00 AVERAGED Fm(INCH /HR) = .539 TOTAL AREA(ACRES) = 721.00 PEAK FLOW RATE(CFS) = 1546.60 TC(MIN) = 23.37 7 MA I * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * FLOW PROCESS FROM NODE 802.10 TO NODE 803.10 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL - CHANNEL FLOW « «< » » >TRAVELTIME THRU SUBAREA« UPSTREAM NODE ELEVATION = 1790.00 DOWNSTREAM NODE ELEVATION = 1740.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1600.00 CHANNEL BASE(FEET) = 20.00 "Z" FACTOR = 5.000 MANNINGS FACTOR = .022 MAXIMUM DEPTH(FEET) = 3.00 CHANNEL FLOW THRU SUBAREA(CFS) = 1546.60 FLOW VELOCITY(FEET /SEC) = 17.90 FLOW DEPTH(FEET) = 2.61 TRAVEL TIME(MIN.) = 1.49 TC(MIN.) = 24.86 air **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 803.00 TO NODE 803.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.816 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA AREA(ACRES) = 114.00 SUBAREA RUNOFF(CFS) = 229.23 EFFECTIVE AREA(ACRES) = 835.00 AVERAGED Fm(INCH /HR) = .545 TOTAL AREA(ACRES) = 835.00 .., PEAK FLOW RATE(CFS) = 1706.80 TC(MIN) = 24.86 .., **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 803.10 TO NODE 804.10 IS CODE = 5 » »>COMPUTE TRAPEZOIDAL- CHANNEL FLOW ««< » »>TRAVELTIME THRU SUBAREA« «< UPSTREAM NODE ELEVATION = 1740.00 DOWNSTREAM NODE ELEVATION = 1700.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1700.00 CHANNEL BASE(FEET) = 20.00 "Z" FACTOR = 5.000 MANNINGS FACTOR = .022 MAXIMUM DEPTH(FEET) = 3.50 CHANNEL FLOW THRU SUBAREA(CFS) = 1706.80 FLOW VELOCITY(FEET /SEC) = 16.73 FLOW DEPTH(FEET) = 2.94 TRAVEL TIME(MIN.) = 1.69 TC(MIN.) = 26.56 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 804.00 TO NODE 804.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.707 8 vat ar SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 151.00 SUBAREA RUNOFF(CFS) = 288.80 EFFECTIVE AREA(ACRES) = 986.00 AVERAGED Fm(INCH /HR) = .551 TOTAL AREA(ACRES) = 986.00 PEAK FLOW RATE(CFS) = 1913.58 TC(MIN) = 26.56 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 804.10 TO NODE 804.10 IS CODE = 1 s r » »>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE« «< » »>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES « «< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 26.56 RAINFALL INTENSITY (INCH. /HOUR) = 2.71 EFFECTIVE STREAM AREA(ACRES) = 986.00 TOTAL STREAM AREA(ACRES) = 986.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 1913.58 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 2583.11 20.35 3.175 .58 1077.62 2 1913.58 26.56 2.707 .55 986.00 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 4368.40 1833.39 2 4030.60 2063.62 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 4368.40 TIME(MINUTES) = 20.355 EFFECTIVE AREA(ACRES) = 1833.39 TOTAL AREA(ACRES) = 2274.00 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 804.10 TO NODE 805.10 IS CODE = 5 » »> COMPUTE TRAPEZOIDAL - CHANNEL FLOW««< » »>TRAVELTIME THRU SUBAREA««< UPSTREAM NODE ELEVATION = 1700.00 DOWNSTREAM NODE :ELEVATION = 1650.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1600.00 CHANNEL BASE(FEET) = 20.00 "Z" FACTOR = 5.500 MANNINGS FACTOR t =' .022 MAXIMUM DEPTH(FEET) = 4.50 a 9 CHANNEL FLOW THRU SUBAREA(CFS) = 4368.40 Ar FLOW VELOCITY(FEET /SEC) = 23.51 FLOW DEPTH(FEET) = 4.27 TRAVEL TIME(MIN.) = 1.13 TC(MIN.) = 21.49 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 805.00 TO NODE 805.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.074 SOIL CLASSIFICATION IS "A" RESIDENTIAL —> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 174.00 SUBAREA RUNOFF(CFS) = 390.21 EFFECTIVE AREA(ACRES) = 2007.39 AVERAGED Fm(INCH/HR) = .569 TOTAL AREA(ACRES) = 2448.00 PEAK FLOW RATE(CFS) = 4524.93 TC(MIN) = 21.49 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 805.10 TO NODE 808.10 IS CODE = 5 » »>COMPUTE TRA?EZOIDAL— CHANNEL FLOW««< » » >TRAVELTIME THRU SUBAREA « «< UPSTREAM NODE ELEVATION = 1650.00 DOWNSTREAM NODE ELEVATION = 1600.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 2000.00 CHANNEL BASE(FEET) = 20.00 "Z" FACTOR = 5.500 MANNINGS FACTOR = .022 MAXIMUM DEPTH(FEET) = 4.50 CHANNEL FLOW THRU SUBAREA(CFS) = 4524.93 == »ERROR: FLOW IN CHANNEL EXCEEDS CHANNEL CAPACITY( NORMAL DEPTH EQUAL TO SPECIFIED MAXIMUM ALLOWABLE DEPTH). AS AN APPROXIMATION, FLOWDEPTH IS SET AT MAXIMUM ALLOWABLE DEPTH AND IS USED FOR TRAVELTIME CALCULATIONS. FLOW VELOCITY(FEET /SEC) = 22.47 FLOW DEPTH(FEET) = 4.50 TRAVEL TIME(MIN.) = 1.48 TC(MIN.) = 22.97 == >FLOWDEPTH EXCEEDS MAXIMUM ALLOWABLE DEPTH **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 806.00 TO NODE 808.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.953 err SOIL CLASSIFICATION IS "A" RESIDENTIAL —> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 10 SUBAREA AREA(ACRES) = 118.00 SUBAREA RUNOFF(CFS) = 251.81 EFFECTIVE AREA(ACRES) = 2125.39 AVERAGED Fm(INCH /HR) = .570 TOTAL AREA(ACRES) = 2566.00 PEAK FLOW RATE(CFS) = 4558.71 TC(MIN) = 22.97 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 807.00 TO NODE 808.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.953 SOIL CLASSIFICATION IS "A" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH /HR) = .8200 SUBAREA AREA(ACRES) = 625.00 SUBAREA RUNOFF(CFS) = 1199.86 EFFECTIVE AREA(ACRES) = 2750.39 AVERAGED Fm(INCH /HR) = .627 TOTAL AREA(ACRES) = 3191.00 PEAK FLOW RATE(CFS) = 5758.57 TC(MIN) = 22.97 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 808.10 TO NODE 808.10 IS CODE = 1 » »>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE« «< » »>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 22.97 RAINFALL INTENSITY (INCH. /HOUR) = 2.95 EFFECTIVE STREAM,AREA(ACRES) = 2750.39 TOTAL STREAM AREA(ACRES) = 3191.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 5758.57 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 5758.57 22.97 2.953 .63 2750.39 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 1 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 5758.57 2750.39 COMPUTED. CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 5758.57 TIME(MINUTES) = 22.972 EFFECTIVE AREA(ACRES) = 2750.39 TOTAL AREA(ACRES) = 3191.00 11 END OF STUDY SUMMARY: TOTAL AREA(ACRES) = 3191.00 EFFECTIVE AREA(ACRES) = 2750.39 PEAK FLOW RATE(CS) = 5758.57 END OF RATIONAL HETHOD ANALYSIS 41% Aggi aita 12 HALL & FOREMAN .., * * * * * * * * * * * * * * * * * * * * * * * * ** DESCRIPTION OF STUDY * * * * * * * * * * * * * * * * * * * * * * * * ** * N. FONTANA MASTER STORM DRAIN PLAN, HAWKER 2 LINE. * .r* l) 25 -YR. * * J 3547, T. ARROYO, 11/30/89. * m :**************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** "' FILE NAME: HAWKER2.025 TIME /DATE OF STUDY: 12: 9 11/30/1989 USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: ,,, -- *TIME -OF- CONCENTRATION MODEL * -- ,- USER SPECIFIED STORM EVENT(YEAR) = 25.00 SPECIFIED MINIMUM PIPE SIZE(INCH) = 18.00 .. SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE = .95 *USER- DEFINED LOGARITHMIC INTERPOLATION USED FOR RAINFALL* w 10 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.150 100 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.660 - COMPUTED RAINFALL INTENSITY DATA: STORM EVENT = 25.00 1 -HOUR INTENSITY(INCH /HOUR) = 1.3265 SLOPE OF INTENSITY DURATION CURVE = .6000 ar ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 518.20 TO NODE 518.20 IS CODE = 7 » »>USER SPECIFIED HYDROLOGY INFORMATION AT NODE « «< .. USER- SPECIFIED VALUES ARE AS FOLLOWS: = 20.06 RAIN INTENSITY(INCH /HOUR) = 2.56 F 11 " IFECTIVE AREA(ACRES) = 1046.72 p,W;c E 2 TOTAL AREA(ACRES) = 1267.00 PEAK FLOW RATE(CFS) = 1788.96 m AVERAGED LOSS RATE, Fm(IN /HR) = .580 SEE Lit-AC /= ** *ERROR; SPECIFIED LOSS RATE, FM IS LESS THAN MINIMUM AW POSSIBLE VALUE OF . 66 (INCHES /HOUR) ( HA,,,✓g-ER 1 V- ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 518.20 TO NODE 525.10 IS CODE = 5 »»>COMPUTE TRAPEZOIDAL- CHANNEL FLOW« «< • » » >TRAVELTIME THRU SUBAREA « «< "* UPSTREAM NODE ELEVATION = 1755.00 DOWNSTREAM NODE ELEVATION = 1740.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1000.00 CHANNEL BASE(FEET) = 10.00 "Z" FACTOR = .000 • MANNINGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 9.50 CHANNEL FLOW THRU SUBAREA(CFS) = 1788.96 FLOW VELOCITY(FEET /SEC) = 24.91 FLOW DEPTH(FEET) = 7.18 TRAVEL TIME(MIN.) _ .67 TC(MIN.) = 20.73 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** .. FLOW PROCESS FROM NODE 525.00 TO NODE 525.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< qm 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.510 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 m SUBAREA AREA(ACRES) = 21.00 SUBAREA RUNOFF(CFS) = 36.43 • EFFECTIVE AREA(ACRES) = 1067.72 AVERAGED Fm(INCH /HR) = .580 a TOTAL AREA(ACRES) = 1288.00 PEAK FLOW RATE(CFS) = 1854.26 TC(MIN) = 20.73 k * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * `"" FLOW PROCESS FROM NODE 525.10 TO NODE 804.10 IS CODE = 5 • » » >COMPUTE TRAPEZOIDAL- CHANNEL FLOW« « < » » >TRAVELTIME THRU SUBAREA« « < UPSTREAM NODE ELEVATION = 1740.00 DOWNSTREAM NODE ELEVATION = 1700.00 ar CHANNEL LENGTH THRU SUBAREA(FEET) = 1450.00 CHANNEL BASE(FEET) = 10.00 "Z" FACTOR = .000 .► MANNINGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 9.50 CHANNEL FLOW THRU SUBAREA(CFS) = 1854.26 40 FLOW VELOCITY(FEET /SEC) = 31.93 FLOW DEPTH(FEET) = 5.81 TRAVEL TIME(MIN.) = .76 TC(MIN.) = 21.49 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 804.10 TO NODE 804.10 IS CODE = 1 a » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 21.49 a RAINFALL INTENSITY (INCH. /HOUR) = 2.46 EFFECTIVE STREAM AREA(ACRES) = 1067.72 TOTAL STREAM AREA(ACRES) = 1288.00 EAK FLOW RATE(CFS) AT CONFLUENCE = 1854.26 a -N ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 701.00 TO NODE 701.10 IS CODE = 2 » » >RATIONAL METHOD INITIAL SUBAREA ANALYSIS« «< a NATURAL AVERAGE COVER �• TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW - LENGTH = 1100.00 w" UPSTREAM ELEVATION = 3700.00 DOWNSTREAM ELEVATION = 3120.00 4" ELEVATION DIFFERENCE = 580.00 TC = .706 *[( 1100.00 ** 3.00)/( 580.00))** .20 = 13.212 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.289 SOIL CLASSIFICATION IS "B" a NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH /HR) = .5600 • SUBAREA RUNOFF(CFS) = 24.56 TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 24.56 ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 701.10 TO NODE 702.10 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL- CHANNEL FLOW« «< r » » >TRAVELTIME THRU SUBAREA « «< ' PSTREAM NODE ELEVATION = 3120.00 DOWNSTREAM NODE ELEVATION = 3040.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 400.00 - CHANNEL BASE(FEET) = 20.00 "Z" FACTOR = 5.000 drr MANNINGS FACTOR = .022 MAXIMUM DEPTH(FEET) = 2.00 CHANNEL FLOW THRU SUBAREA(CFS) = 24.56 f•. FLOW VELOCITY(FEET /SEC) = 8.44 FLOW DEPTH(FEET) _ .14 TRAVEL TIME(MIN.) = .79 TC(MIN.) = 14.00 sloe k******************************* Bc******** *k *ie9e4e9F ************************* FLOW PROCESS FROM NODE 702.00 TO NODE 702.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 4 , 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.176 SOIL CLASSIFICATION IS "BSI • NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH /HR) = .5600 SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 23.54 do EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH /HR) = .560 TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 47.09 `""' TC(MIN) = 14.00 k***** *************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 41. FLOW PROCESS FROM NODE 702.10 TO NODE 703.10 IS CODE = 5 » »>COMPUTE TRAPEZOIDAL- CHANNEL FLOW« «< • » »>TRAVELTIME THRU SUBAREA « «< a.. UPSTREAM NODE ELEVATION = 3040.00 DOWNSTREAM NODE ELEVATION = 2820.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 700.00 CHANNEL BASE(FEET) = 20.00 nZu FACTOR = 5.000 '"" MANNINGS FACTOR = .022 MAXIMUM DEPTH(FEET) = 2.00 `IANNEL FLOW THRU SUBAREA(CFS) = 47.09 LOW VELOCITY(FEET /SEC) = 13.13 FLOW DEPTH(FEET) = .17 TRAVEL TIME(MIN.) = .89 TC(MIN.) = 14.89 0 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** - FLOW PROCESS FROM NODE 703.00 TO NODE 703.10 IS CODE = 8 ww » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< `°° 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.061 SOIL CLASSIFICATION IS "B" " NATURAL AVERAGE COVER "GRASS"" SUBAREA LOSS RATE, Fm(INCH /HR) = .5600 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 45.02 '" EFFECTIVE AREA(ACRES) = 40.00 AVERAGED Fm(INCH /HR) = .560 TOTAL AREA(ACRES) = 40.00 PEAK FLOW RATE(CFS) = 90.03 TC(MIN) = 14.89 4********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 703.10 TO NODE 704.10 IS CODE = 5 at » » >COMPUTE TRAPEZOIDAL- CHANNEL FLOW« «< "" » »>TRAVELTIME THRU SUBAREA« «< UPSTREAM NODE ELEVATION = 2820.00 )WNSTREAM NODE ELEVATION = 2520.00 _iiANNEL LENGTH THRU SUBAREA(FEET) = 1050.00 . CHANNEL BASE(FEET) = 20.00 "Z" FACTOR = 5.000 MANNINGS FACTOR = .022 MAXIMUM DEPTH(FEET) = 2.00 - CHANNEL FLOW THRU SUBAREA(CFS) = 90.03 FLOW VELOCITY(FEET/SEC) = 14.12 FLOW DEPTH(FEET) = .30 TRAVEL TIME(MIN.) = 1.24 TC(MIN.) = 16.13 'OW PROCESS FROM NODE 704.00 TO NODE 704.10 IS CODE = 8 >>>»ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« 25 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.918 • SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 SUBAREA AREA(ACRES) = 38.00 SUBAREA RUNOFF(CFS) = 80.63 EFFECTIVE AREA(ACRES) = 78.00 AVERAGED Fm(INCH/HR) = .560 . TOTAL AREA(ACRES) = 78.00 PEAK FLOW RATE(CFS) = 165.50 • TC(MIN) = 16.13 **************************************************************************** 40 FLOW PROCESS FROM NODE 704.10 TO NODE 705.10 IS CODE = 5 >>>»COMPUTE TRAPEZOIDAL-CHANNEL FLOW««< >»»TRAVELTIME THRU SUBAREA««< UPSTREAM NODE ELEVATION = 2520.00 DOWNSTREAM NODE ELEVATION = 2300.00 - CHANNEL LENGTH THRU SUBAREA(FEET) = 2000.00 CHANNEL BASE(FEET) = 20.00 ”Zu FACTOR = 5.000 MANNINGS FACTOR = .022 MAXIMUM DEPTH(FEET) = 2.00 CHANNEL FLOW THRU SUBAREA(CFS) = 165.50 - FLOW VELOCITY(FEET/SEC) = 13.31 FLOW DEPTH(FEET) = .55 - RAVEL TIME(MIN.) = 2.50 TC(MIN.) = 18.63 "k*************************************************************************** FLOW PROCESS FROM NODE 706.00 TO NODE 705.10 IS CODE = 8 >»»ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 25 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.676 SOIL CLASSIFICATION IS "B" - NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 SUBAREA AREA(ACRES) = 70.00 SUBAREA RUNOFF(CFS) = 133.28 * EFFECTIVE AREA(ACRES) = 148.00 AVERAGED Fm(INCH/HR) = .560 • TOTAL AREA(ACRES) = 148.00 PEAK FLOW RATE(CFS) = 281.79 TC(MIN) = 18.63 4*************************************************************************** FLOW PROCESS FROM NODE 705.00 TO NODE 705.10 IS CODE = 8 >»»ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 41t 25 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.676 Am SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 SUBAREA AREA(ACRES) = 106.00 SUBAREA RUNOFF(CFS) = 201.82 7 FECTIVE AREA(ACRES) = 254.00 • VERAGED Fm(INCH/HR) = .560 TOTAL AREA(ACRES) = 254.00 PEAK FLOW RATE(CFS) = 483.62 - TC(MIN) = 18.63 * ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 705.10 TO NODE 708.10 IS CODE = 5 » »COMPUTE TRAPEZOIDAL- CHANNEL FLOW« «< • >» >TRAVELTIME THRU SUBAREA« «< UPSTREAM NODE ELEVATION = 2300.00 DOWNSTREAM NODE ELEVATION = 1950.00 • CHANNEL LENGTH THRU SUBAREA(FEET) = 3000.00 CHANNEL BASE(FEET) = 20.00 "Z" FACTOR = 5.000 MANNINGS FACTOR = .022 MAXIMUM DEPTH(FEET) = 2.00 CHANNEL FLOW THRU SUBAREA(CFS) = 483.62 FLOW VELOCITY(FEET /SEC) = 19.71 FLOW DEPTH(FEET) = .98 A . TRAVEL TIME(MIN.) = 2.54 TC(MIN.) = 21.17 k ************* ******************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 707.00 TO NODE 708.10 IS CODE = 8 - » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< " 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.478 SOIL CLASSIFICATION IS "Bt' NATURAL AVERAGE COVER "GRASS' SUBAREA LOSS RATE, Fm(INCH /HR) = .5600 SUBAREA AREA(ACRES) = 108.00 SUBAREA RUNOFF(CFS) = 186.46 EFFECTIVE AREA(ACRES) = 362.00 • AVERAGED Fm(INCH /HR) _ .560 TOTAL AREA(ACRES) = 362.00 r PEAK FLOW RATE(CFS) = 625.00 TC(MIN) = 21.17 'mac k***************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 708.00 TO NODE 708.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.478 SOIL CLASSIFICATION IS "B" s NATURAL AVERAGE COVER 'GRASS' SUBAREA LOSS RATE, Fm(INCH /HR) = .5600 SUBAREA AREA(ACRES) = 74.00 SUBAREA RUNOFF(CFS) = 127.76 y., EFFECTIVE AREA(ACRES) = 436.00 AVERAGED Fm(INCH /HR) = .560 • TOTAL AREA(ACRES) = 436.00 PEAK FLOW RATE(CFS) = 752.76 • TC(MIN) = 21.17 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 708.10 TO NODE 801.10 IS CODE = 5 » »> COMPUTE TRAPEZOIDAL- CHANNEL FLOW« «< • » » >TRAVELTIME THRU SUBAREA« «< *r UPSTREAM NODE ELEVATION = 1950.00 DOWNSTREAM NODE ELEVATION = 1840.00 e. CHANNEL LENGTH THRU SUBAREA(FEET) = 2000.00 CHANNEL BASE(FEET) = 20.00 "Z" FACTOR = 5.000 MANNINGS FACTOR = .022 MAXIMUM DEPTH(FEET) = 2.50 IANNEL FLOW THRU SUBAREA(CFS) = 752.76 ' .i3OW VELOCITY(FEET /SEC) = 17.60 FLOW DEPTH(FEET) = 1.54 TRAVEL TIME(MIN.) = 1.89 TC(MIN.) = 23.06 • ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 801.00 TO NODE 801.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.354 ... )IL CLASSIFICATION IS "B" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4500 "" SUBAREA AREA(ACRES) = 161.00 SUBAREA RUNOFF(CFS) = 275.91 EFFECTIVE AREA(ACRES) = 597.00 • AVERAGED Fm(INCH/HR) = .530 TOTAL AREA(ACRES) = 597.00 • PEAK FLOW RATE(CFS) = 979.95 TC(MIN) = 23.06 qr ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** • FLOW PROCESS FROM NODE 801.10 TO NODE 802.10 IS CODE = 5 m » >COMPUTE TRAPEZOIDAL- CHANNEL FLOW« «< » >TRAVELTIME THRU SUBAREA« «< INC UPSTREAM NODE ELEVATION = 1840.00 ""' DOWNSTREAM NODE ELEVATION = 1790.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1300.00 CHANNEL BASE(FEET) = 20.00 , 'Z" FACTOR = 5.000 MANNINGS FACTOR = .022 MAXIMUM DEPTH(FEET) = 3.00 CHANNEL FLOW THRU SUBAREA(CFS) = 979.95 - FLOW VELOCITY(FEET /SEC) = 17.08 FLOW DEPTH(FEET) = 1.93 TRAVEL TIME(MIN.) = 1.27 TC(MIN.) = 24.33 .********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** - LOW PROCESS FROM NODE 802.00 TO NODE 802.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.280 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 124.00 SUBAREA RUNOFF(CFS) = 189.47 EFFECTIVE AREA(ACRES) = 721.00 AVERAGED Fm(INCH /HR) = .539 . TOTAL AREA(ACRES) = 721.00 PEAK FLOW RATE(CFS) = 1129.43 • TC(MIN) = 24.33 :******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 802.10 TO NODE 803.10 IS CODE = 5 • » » >COMPUTE TRAPEZOIDAL- CHANNEL FLOW« «< m » » >TRAVELTIME THRU SUBAREA« «< UPSTREAM NODE ELEVATION = 1790.00 DOWNSTREAM NODE ELEVATION = 1740.00 m CHANNEL LENGTH THRU SUBAREA(FEET) = 1600.00 CHANNEL BASE(FEET) = 20.00 "Z" FACTOR = 5.000 • MANNINGS FACTOR = .022 MAXIMUM DEPTH(FEET) = 3.00 CHANNEL FLOW THRU SUBAREA(CFS) = 1129.43 "' FLOW VELOCITY(FEET /SEC) = 16.41 FLOW DEPTH(FEET) = 2.21 ZAVEL TIME(MIN.) = 1.62 TC(MIN.) = 25.96 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 803.00 TO NODE 803.10 IS CODE = 8 » » »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.193 ,,,,, SOIL CLASSIFICATION IS "A" �SIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 • JBAREA AREA(ACRES) = 114.00 SUBAREA RUNOFF(CFS) = 165.29 EFFECTIVE AREA(ACRES) = 835.00 40 AVERAGED Fm(INCH /HR) _ .545 TOTAL AREA(ACRES) = 835.00 qi PEAK FLOW RATE(CFS) = 1238.44 TC(MIN) = 25.96 ********************************************* * * * * * * * ** * ** * ** * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 803.10 TO NODE 804.10 IS CODE = 5 » » »COMPUTE TRAPEZOIDAL- CHANNEL FLOW« «< » » >TRAVELTIME THRU SUBAREA« «< UPSTREAM NODE ELEVATION = 1740.00 • DOWNSTREAM NODE ELEVATION = 1700.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1700.00 `' CHANNEL BASE (FEET) = 20.00 ""Z" FACTOR = 5.000 MANNINGS FACTOR = .022 MAXIMUM DEPTH(FEET) = 3.50 "" CHANNEL FLOW THRU SUBAREA(CFS) = 1238.44 FLOW VELOCITY(FEET /SEC) = 15.23 FLOW DEPTH(FEET) = 2.50 TRAVEL TIME(MIN.) = 1.86 TC(MIN.) = 27.82 0, * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 804.00 TO NODE 804.10 IS CODE = 8 > »»ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.104 - SOIL CLASSIFICATION IS HA" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 ' SUBAREA AREA(ACRES) = 151.00 SUBAREA RUNOFF(CFS) = 206.81 EFFECTIVE AREA(ACRES) = 986.00 AVERAGED Fm(INCH /HR) = .551 TOTAL AREA(ACRES) = 986.00 PEAK FLOW RATE(CFS) = 1378.19 - TC(MIN) = 27.82 * **************************************:***** * * * * * * * * * * * * * * * * * * * ** * * ***** *** FLOW PROCESS FROM NODE 804.10 TO NODE 804.10 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(MINUTES) = 27.82 RAINFALL INTENSITY (INCH. /HOUR) = 2.10 EFFECTIVE STREAM AREA(ACRES) = 986.00 gar TOTAL STREAM AREA(ACRES) = 986.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 1378.19 CONFLUENCE INFORMATION: 41 ' STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE 7MBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 1854.26 21.49 2.456 .58 1067.72 2 1378.19 27.82 2.104 .55 986.00 wr RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE a.. NUMBER Q(CFS) AREA(ACRES) 1 3160.48 1829.38 2 2884.11 2053.72 ^" COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 3160.48 TIME(MINUTES) = 21.489 "" EFFECTIVE AREA(ACRES) = 1829.38 TOTAL AREA(ACRES) = 2274.00 .."********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** , FLOW PROCESS FROM NODE 804.10 TO NODE 805.10 IS CODE = 5 »» >COMPUTE TRAPEZOIDAL- CHANNEL FLOW« «< » » >TRAVELTIME THRU SUBAREA« «< UPSTREAM NODE ELEVATION = 1700.00 -0 DOWNSTREAM NODE ELEVATION = 1650.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1600.00 `". CHANNEL BASE(FEET) = 20.00 "Z" FACTOR = 5.500 MANNINGS FACTOR = .022 MAXIMUM DEPTH(FEET) = 4.50 CHANNEL FLOW THRU SUBAREA(CFS) = 3160.48 FLOW VELOCITY(FEET /SEC) = 21.40 FLOW DEPTH(FEET) = 3.67 TRAVEL TIME(MIN.) = 1.25 TC(MIN.) = 22.74 j******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 805.00 TO NODE 805.10 IS CODE = 8 » »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.375 "`°' SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 174.00 SUBAREA RUNOFF(CFS) = 280.71 EFFECTIVE AREA(ACRES) = 2003.38 AVERAGED Fm(INCH /HR) = .569 TOTAL AREA(ACRES) = 2448.00 PEAK FLOW RATE(CFS) = 3255.35 TC(MIN) = 22.74 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** -0 FLOW PROCESS FROM NODE 805.10 TO NODE 808.10 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL- CHANNEL FLOW« «< » >TRAVELTIME THRU SUBAREA« «< m , UPSTREAM NODE ELEVATION = 1650.00 DOWNSTREAM NODE ELEVATION = 1600.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 2000.00 CHANNEL BASE(FEET) = 20.00 "Z" FACTOR = 5.500 00 MANNINGS FACTOR = .022 MAXIMUM DEPTH(FEET) = 4.50 CHANNEL FLOW THRU SUBAREA(CFS) = 3255.35 . FLOW VELOCITY(FEET /SEC) = 19.98 FLOW DEPTH(FEET) = 3.92 TRAVEL TIME(MIN.) = 1.67 TC(MIN.) = 24.40 ..r 4 " z***************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 806.00 TO NODE 808.10 IS CODE = 8 » »> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.276 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 118.00 SUBAREA RUNOFF(CFS) = 179.88 - ?FECTIVE AREA(ACRES) = 2121.38 • jERAGED Fm(INCH /HR) = .570 TOTAL AREA(ACRES) = 2566.00 ur PEAK FLOW RATE(CFS) = 3257.15 TC(MIN) = 24.40 t k******************************************** * * * * *** * * * * * * * * * * * * * * * * * * ** * * ** FLOW PROCESS FROM NODE 807.00 TO NODE 808.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.276 SOIL CLASSIFICATION IS "A"' NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH /HR) = .8200 SUBAREA AREA(ACRES) = 625.00 SUBAREA RUNOFF(CFS) = 818.87 - EFFECTIVE AREA(ACRES) = 2746.38 AVERAGED Fm(INCH /HR) = .627 46' TOTAL AREA(ACRES) = 3191.00 PEAK FLOW RATE(CFS) = 4076.02 TC(MIN) = 24.40 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 808.10 TO NODE 808.10 IS CODE = 1 » »>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< • » »>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES « «< Aa. )NFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 24.40 RAINFALL INTENSITY (INCH. /HOUR) = 2.28 EFFECTIVE STREAM AREA(ACRES) = 2746.38 w TOTAL STREAM AREA(ACRES) = 3191.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 4076.02 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE - NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) - 1 4076.02 24.40 2.276 .63 2746.38 . RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 1 STREAMS. 46. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE '" NUMBER Q(CFS) AREA(ACRES) 1 4076.02 2746.38 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 4076.02 TIME(MINUTES) = 24.403 . EFFECTIVE AREA(ACRES) = 2746.38 TOTAL AREA(ACRES) = 3191.00 END OF STUDY SUMMARY: 6 TOTAL AREA(ACRES) = 3191.00 "FECTIVE AREA(ACRES) = 2746.38 sAK FLOW RATE(CFS) = 4076.02 END OF RATIONAL METHOD ANALYSIS ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE (Reference: 1986 SAN BERNARDINO CO. HYDROLOGY CRITERION) Copyright 1983,86,87 Advanced Engineering Software (aes) Ver. 4.1C Release Date: 5/11/87 Serial # I00908 Especially prepared for: HALL & FOREMAN * * * * * * * * * * * * * * * * * * * * * * * * ** DESCRIPTION OF STUDY * * * * * * * * * * * * * * * * * * * * * * * * ** * MASTER S.D PLAN, FOR CITY OF FONTANA, CRAWFORD CHANNEL,DATA FOR LINE A * -'* SEE 25 YR FOR CHANNEL DESIGN, Q 100 YR, TRAP. CHANNEL * * VENKI.N , JN 3547, 5/19/89 * • ******************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FILE NAME: CRAWFORD.DAT TIME /DATE OF STUDY: 15: 4 5/19/1989 m USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: �., -- *TIME -OF- CONCENTRATION MODEL*- - m USER SPECIFIED STORM EVENT(YEAR) = 100.00 SPECIFIED MINIMUM PIPE SIZE(INCH) = 18.00 - SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE = .95 *USER- DEFINED LOGARITHMIC INTERPOLATION USED FOR RAINFALL* 10 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.150 100 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.660 COMPUTED RAINFALL INTENSITY DATA: • STORM EVENT = 100.00 1 -HOUR INTENSITY(INCH /HOUR) = 1.6600 SLOPE OF INTENSITY DURATION CURVE _ .6000 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** "" FLOW PROCESS FROM NODE 600.00 TO NODE 600.10 IS CODE = 2 - » »> RATIONAL METHOD INITIAL SUBAREA ANALYSIS ««< NATURAL AVERAGE COVER TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW - LENGTH = 1000.00 UPSTREAM ELEVATION = 3160.00 - DOWNSTREAM ELEVATION = 2700.00 ELEVATION DIFFERENCE = 460.00 • TC = .706 *[( 1000.00 ** 3.00)/( 460.00)] ** .20 = 13.069 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 4.142 SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH /HR) = .5600 SUBAREA RUNOFF(CFS) = 32.24 rr TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 32.24 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ` FLOW PROCESS FROM NODE 600.10 TO NODE 601.10 IS CODE = 5 • » »>COMPUTE TRAPEZOIDAL- CHANNEL FLOW««< » »>TRAVELTIME THRU SUBAREA « «< 'UPSTREAM NODE ELEVATION = 2700.00 DOWNSTREAM NODE ELEVATION = 2580.00 • CHANNEL LENGTH THRU SUBAREA(FEET) = 650.00 CHANNEL BASE(FEET) = 4.00 "Z" FACTOR = 2.000 MANNINGS FACTOR = .022 MAXIMUM DEPTH(FEET) = 1.00 .. CHANNEL FLOW THRU SUBAREA(CFS) = 32.24 FLOW VELOCITY(FEET /SEC) = 14.50 FLOW DEPTH(FEET) = .45 " TRAVEL TIME(MIN.) = .75 TC(MIN.) = 13.82 as ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 601.00 TO NODE 601.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 4.006 40 SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH /HR) = .5600 "'®" SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 31.02 EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH/HR) = .560 TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 62.04 • TC(MIN) = 13.82 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 4 ' FLOW PROCESS FROM NODE 601.10 TO NODE 602.10 IS CODE = 5 "' » » >COMPUTE TRAPEZOIDAL- CHANNEL FLOW««< » » >TRAVELTIME THRU SUBAREA««< UPSTREAM NODE ELEVATION = 2580.00 DOWNSTREAM NODE ELEVATION = 2420.00 ,r CHANNEL LENGTH THRU SUBAREA(FEET) = 700.00 CHANNEL BASE(FEET) = 4.00 "Z" FACTOR = 2.000 ' JANNINGS FACTOR = .022 MAXIMUM DEPTH(FEET) = 1.00 . 2HANNEL FLOW THRU SUBAREA(CFS) = 62.04 'a FLOW VELOCITY(FEET /SEC) = 19.51 FLOW DEPTH(FEET) = .61 TRAVEL TIME(MIN.) = .60 TC(MIN.) = 14.41 • ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 602.00 TO NODE 602.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< - 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.906 SOIL CLASSIFICATION IS "B" ' NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH /HR) = .5600 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 60.23 "" EFFECTIVE AREA(ACRES) = 40.00 AVERAGED Fm(INCH /HR) = .560 TOTAL AREA(ACRES) = 40.00 PEAK FLOW RATE(CFS) = 120.45 TC(MIN) = 14.41 • ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 602.10 TO NODE 603.10 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL- CHANNEL FLOW « «< » » >TRAVELTIME THRU SUBAREA« «< �r JPSTREAM NODE ELEVATION = 2420.00 ,,,. DOWNSTREAM NODE ELEVATION = 2360.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 500.00 4v CHANNEL BASE(FEET) = 7.00 "Z" FACTOR = 4.000 MANNINGS FACTOR = .022 MAXIMUM DEPTH(FEET) = 1.00 CHANNEL FLOW THRU SUBAREA(CFS) = 120.45 m FLOW VELOCITY(FEET /SEC) = 16.51 FLOW DEPTH(FEET) = .73 TRAVEL TIME(MIN.) = .50 TC(MIN.) = 14.92 :****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 603.00 TO NODE 603.10 IS CODE = 8 • » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< - 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.826 SOIL CLASSIFICATION IS "A" m NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .8200 SUBAREA AREA(ACRES) = 38.00 SUBAREA RUNOFF(CFS) = 102.81 " EFFECTIVE AREA(ACRES) = 78.00 AVERAGED Fm(INCH /HR) = .687 TOTAL AREA(ACRES) = 78.00 PEAK FLOW RATE(CFS) = 220.38 TC(MIN) = 14.92 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 603.10 TO NODE 604.10 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL- CHANNEL FLOW« «< - » »>TRAVELTIME THRU SUBAREA ««< UPSTREAM NODE ELEVATION = 2360.00 DOWNSTREAM NODE ELEVATION = 1908.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 4000.00 • CHANNEL BASE(FEET) = 9.00 "Z" FACTOR = 5.000 MANNINGS FACTOR = .022 MAXIMUM DEPTH(FEET) = 1.00 • 1 HANNEL FLOW THRU SUBAREA(CFS) = 220.38 r'LOW VELOCITY(FEET /SEC) = 17.57 FLOW DEPTH(FEET) _ .92 -' TRAVEL TIME(MIN.) = 3.80 TC(MIN.) = 18.71 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 604.00 TO NODE 604.10 IS CODE = 8 - » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.340 - SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 '"" SUBAREA AREA(ACRES) = 57.00 SUBAREA RUNOFF(CFS) = 142.59 EFFECTIVE AREA(ACRES) = 135.00 " AVERAGED Fm(INCH /HR) = .633 TOTAL AREA(ACRES) = 135.00 PEAK FLOW RATE(CFS) = 328.83 TC(MIN) = 18.71 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** as FLOW PROCESS FROM NODE 604.10 TO NODE 604.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< " CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: ,,,, TIME OF CONCENTRATION(MINUTES) = 18.71 :AINFALL INTENSITY (INCH. /HOUR) = 3.34 • EFFECTIVE STREAM AREA(ACRES) = 135.00 TOTAL STREAM AREA(ACRES) = 135.00 m PEAK FLOW RATE(CFS) AT CONFLUENCE = 328.83 ,, ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 605.00 TO NODE 605.11 IS CODE = 2 -» »RATIONAL METHOD INITIAL SUBAREA ANALYSIS ««< NATURAL AVERAGE COVER TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW - LENGTH = 1200.00 UPSTREAM ELEVATION = 3000.00 DOWNSTREAM ELEVATION = 2520.00 ."r ELEVATION DIFFERENCE = 480.00 TC = .706 *[( 1200.00 ** 3.00)/( 480.00)] ** .20 = 14.457 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.899 SOIL CLASSIFICATION IS "B" A " NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 SUBAREA RUNOFF(CFS) = 30.05 • TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 30.05 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 605.11 TO NODE 605.12 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL- CHANNEL FLOW««< • » » >TRAVELTIME THRU SUBAREA ««< 4 ' UPSTREAM NODE ELEVATION = 2520.00 DOWNSTREAM NODE ELEVATION = 2360.00 "" CHANNEL LENGTH THRU SUBAREA(FEET) = 600.00 CHANNEL BASE(FEET) = 5.00 "Z" FACTOR = 4.000 MANNINGS FACTOR = .022 MAXIMUM DEPTH(FEET) = 1.O0 7HANNEL FLOW THRU SUBAREA(CFS) = 30.05 r'LOW VELOCITY(FEET /SEC) = 14.51 FLOW DEPTH(FEET) = .33 TRAVEL TIME(MIN.) = .69 TC(MIN.) = 15.15 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** '*" FLOW PROCESS FROM NODE 605.10 TO NODE 605.12 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.792 - SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 29.08 EFFECTIVE AREA(ACRES) = 20.00 * AVERAGED Fm(INCH /HR) = .560 TOTAL AREA(ACRES) = 20.00 "" PEAK FLOW RATE(CFS) = 58.17 TC(MIN) = 15.15 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 605.12 TO NODE 605.13 IS CODE = 5 s » » >COMPUTE TRAPEZOIDAL- CHANNEL FLOW« «< »»>TRAVELTIME THRU SUBAREA< UPSTREAM NODE ELEVATION = 2360.00 ) OWNSTREAM NODE ELEVATION = 2207.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1050.00 CHANNEL BASE(FEET) = 5.00 "Z" FACTOR = 4.000 wr MANNINGS FACTOR = .022 MAXIMUM DEPTH(FEET) = 1.00 CHANNEL FLOW THRU SUBAREA(CFS) = 58.17 FLOW VELOCITY(FEET /SEC) = 14.80 FLOW DEPTH(FEET) _ .55 ++■ TRAVEL TIME(MIN.) = 1.18 TC(MIN.) = 16.33 k****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** !LOW PROCESS FROM NODE 605.20 TO NODE 605.13 IS CODE = 8 - » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.624 -.. SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH /HR) = .5600 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 55.16 EFFECTIVE AREA(ACRES) = 40.00 "'s AVERAGED Fm(INCH /HR) = .560 TOTAL AREA(ACRES) = 40.00 PEAK FLOW RATE(CFS) = 110.32 TC(MIN) = 16.33 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** .. FLOW PROCESS FROM NODE 605.30 TO NODE 605.13 IS CODE = 8 • » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< ' 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.624 SOIL CLASSIFICATION IS "B" • NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH /HR) = .5600 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 110.32 EFFECTIVE AREA(ACRES) = 80.00 AVERAGED Fm(INCH /HR) = .560 TOTAL AREA(ACRES) = 80.00 - -) EAK FLOW RATE(CFS) = 220.64 t'C(MIN) = 16.33 - ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 605.13 TO NODE 605.10 IS CODE = 5 » »>COMPUTE TRAPEZOIDAL- CHANNEL FLOW « «< » » >TRAVELTIME THRU SUBAREA««< UPSTREAM NODE ELEVATION = 2207.00 - DOWNSTREAM NODE ELEVATION = 2100.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1450.00 • CHANNEL BASE(FEET) = 10.00 "Z" FACTOR = 5.000 MANNINGS FACTOR = .021 MAXIMUM DEPTH(FEET) = 1.00 • CHANNEL FLOW THRU SUBAREA(CFS) = 220.64 FLOW VELOCITY(FEET /SEC) = 15.68 FLOW DEPTH(FEET) = .95 TRAVEL TIME(MIN.) = 1.54 TC(MIN.) = 17.87 O ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 605.40 TO NODE 605.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< air 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.433 11 " SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 ;UBAREA AREA(ACRES) = 18.00 SUBAREA RUNOFF(CFS) = 46.55 EFFECTIVE AREA(ACRES) = 98.00 AVERAGED Fm(INCH /HR) = .560 w TOTAL AREA(ACRES) = 98.00 PEAK FLOW RATE(CFS) = 253.44 TC(MIN) = 17.87 - ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** SLOW PROCESS FROM NODE 605.10 TO NODE 606.10 IS CODE = 5 » »>COMPUTE TRAPEZOIDAL- CHANNEL FLOW««< » »>TRAVELTIME THRU SUBAREA ««< UPSTREAM NODE ELEVATION = 2100.00 • DOWNSTREAM NODE ELEVATION = 1990.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 4000.00 4 ' CHANNEL BASE(FEET) = 10.00 "Z" FACTOR = 5.000 MANNINGS FACTOR = .021 MAXIMUM DEPTH(FEET) = 1.50 "" CHANNEL FLOW THRU SUBAREA(CFS) = 253.44 FLOW VELOCITY(FEET /SEC) = 11.24 FLOW DEPTH(FEET) = 1.35 TRAVEL TIME(MIN.) = 5.93 TC(MIN.) = 23.80 * ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 606.00 TO NODE 606.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.891 4 " SOIL CLASSIFICATION IS "B" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4500 SUBAREA AREA(ACRES) = 151.00 SUBAREA RUNOFF(CFS) = 331.70 EFFECTIVE AREA(ACRES) = 249.00 AVERAGED Fm(INCH /HR) = .493 . TOTAL AREA(ACRES) = 249.00 PEAK FLOW RATE(CFS) = 537.27 . "C(MIN) = 23.80 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** °" FLOW PROCESS FROM NODE 606.10 TO NODE 604.10 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL- CHANNEL FLOW « «< » » >TRAVELTIME THRU SUBAREA« «< • UPSTREAM NODE ELEVATION = 1990.00 DOWNSTREAM NODE ELEVATION = 1908.00 - CHANNEL LENGTH THRU SUBAREA(FEET) = 3300.00 CHANNEL BASE(FEET) = 6.00 "Z" FACTOR = 1.500 MANNINGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 2.75 CHANNEL FLOW THRU SUBAREA(CFS) = 537.27 4 " FLOW VELOCITY(FEET /SEC) = 21.75 FLOW DEPTH(FEET) = 2.52 TRAVEL TIME(MIN.) = 2.53 TC(MIN.) = 26.33 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** .r FLOW PROCESS FROM NODE 607.00 TO NODE 604.10 IS CODE = 8 • » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< "` 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.721 SOIL CLASSIFICATION IS "A" • NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH /HR) = .8200 .«r SUBAREA AREA(ACRES) = 148.00 SUBAREA RUNOFF(CFS) = 253.19 FFECTIVE AREA(ACRES) = 397.00 „., AVERAGED Fm(INCH /HR) = .615 TOTAL AREA(ACRES) = 397.00 4 ' PEAK FLOW RATE(CFS) = 752.38 TC(MIN) = 26.33 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** . FLOW PROCESS FROM NODE 604.10 TO NODE 604.10 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(MINUTES) = 26.33 - RAINFALL INTENSITY (INCH. /HOUR) = 2.72 EFFECTIVE STREAM AREA(ACRES) = 397.00 . . TOTAL STREAM AREA(ACRES) = 397.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 752.38 CONFLUENCE INFORMATION: "` STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 328.83 18.71 3.340 .63 135.00 2 752.38 26.33 2.721 .62 397.00 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: . STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) i 1 1020.66 417.15 2 1006.03 532.00 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 1020.66 TIME(MINUTES) = 18.715 - ?FFECTIVE AREA(ACRES) = 417.15 TOTAL AREA(ACRES) = 532.00 . a********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 604.10 TO NODE 608.10 IS CODE = 5 » »> COMPUTE TRAPEZOIDAL- CHANNEL FLOW««< • » »>TRAVELTIME THRU SUBAREA ««< UPSTREAM NODE ELEVATION = 1908.00 DOWNSTREAM NODE ELEVATION = 1868.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1300.00 - CHANNEL BASE(FEET) = 6.00 "Z" FACTOR = 1.500 MANNINGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 3.75 • CHANNEL FLOW THRU SUBAREA(CFS) = 1020.66 FLOW VELOCITY(FEET /SEC) = 27.94 FLOW DEPTH(FEET) = 3.33 a ' TRAVEL TIME(MIN.) = .78 TC(MIN.) = 19.49 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 608.00 TO NODE 608.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< wr 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.259 is SOIL CLASSIFICATION IS "B" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4500 ;UBAREA AREA(ACRES) = 55.00 SUBAREA RUNOFF(CFS) = 139.06 EFFECTIVE AREA(ACRES) = 472.15 AVERAGED Fm(INCH/HR) = .601 4 ,, TOTAL AREA(ACRES) = 587.00 PEAK FLOW RATE(CFS) = 1129.54 TC(MIN) = 19.49 • ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 'LOW PROCESS FROM NODE 608.10 TO NODE 518.20 IS CODE = 5 0 » »> COMPUTE TRAPEZOIDAL- CHANNEL FLOW« «< » »>TRAVELTIME THRU SUBAREA ««< UPSTREAM NODE ELEVATION = 1868.00 a.. DOWNSTREAM NODE ELEVATION = 1755.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 3500.00 *" CHANNEL BASE(FEET) = 6.00 "Z" FACTOR = 1.500 MANNINGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 3.75 "' CHANNEL FLOW THRU SUBAREA(CFS) = 1129.54 FLOW VELOCITY(FEET /SEC) = 29.03 FLOW DEPTH(FEET) = 3.47 TRAVEL TIME(MIN.) = 2.01 TC(MIN.) = 21.50 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 518.20 TO NODE 518.20 IS CODE = 1 » »>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< » »>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES ««< '" CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 21.50 RAINFALL INTENSITY (INCH. /HOUR) = 3.07 EFFECTIVE STREAM AREA(ACRES) = 472.15 TOTAL STREAM AREA(ACRES) = 587.00 ,rr PEAK FLOW RATE(CFS) AT CONFLUENCE = 1129.54 • : ONFLUENCE INFORMATION: JTREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE 4 ' NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 1129.54 21.50 3.073 .60 472.15 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 1 STREAMS. SUMMARY RESULTS: wr STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 1129.54 472.15 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 1129.54 TIME(MINUTES) = 21.500 44 EFFECTIVE AREA(ACRES) = 472.15 „, TOTAL AREA(ACRES) = 587.00 END OF STUDY SUMMARY: TOTAL AREA(ACRES) = 587.00 wr EFFECTIVE AREA(ACRES) = 472.15 PEAK FLOW RATE(CFS) = 1129.54 END OF RATIONAL METHOD ANALYSIS 0 wwwwwwwwwww***********************++* wwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwww RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE (Reference: 1986 SAN BERNARDINO CO. HYDROLOGY CRITERION) .r Copyright 1983,86,87 Advanced Engineering Software (aes) Ver. 4.1C Release Date: 5/11/87 Serial # 100908 oe ✓ Especially prepared for: r HALL & FOREMAN * * * * * * * * * * * * * * * * * * * * * * * * ** DESCRIPTION OF STUDY * * * * * * * * * * * * * * * * * * * * * * * * ** rw M RS G f' * _ Q 25 YR, • - r'ALCS FOV HAWKERI.DAT, C iTy o- c„r.•f rsi * ■w* V.N. /J.M., JN 3814 -023, 11/14/1988 yr ************ ******************************* *wwww************************** FILE NAME: CRAWFORD.DAT TIME /DATE OF STUDY: 9:53 11/14/1988 USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: r vo - *TIME-OF- CONCENTRATION MODEL*-- USER SPECIFIED STORM EVENT(YEAR) = 25.00 '~ SPECIFIED MINIMUM PIPE SIZE(INCH) = 18.00 um SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE = .95 *USER - DEFINED LOGARITHMIC INTERPOLATION USED FOR RAINFALL* ,.a. 10 -YEAR STORM 60-MINUTE INTENSITY(INCH /HOUR) = 1.150 .r 100-YEAR STORM 60-MINUTE 1NTENSITY(INCH /HOUR) = 1.660 COMPUTED RAINFALL INTENSITY DATA: cTORM EVENT = 25.00 1-HOUR INTENSITY(INCH /HOUR) = 1.3265 ' ° 'E OF INTENSITY DURATION CURVE = .6000 mo .w. r www * * *wwwwwwww wwwwwwwwwwwwwwwwwwwwwwwwwwwwwww wwwwwwwwwwwwwwwwwwwwwwwwwwwwwww FLOW PROCESS FROM NODE 600.00 TO NODE 600.10 IS CODE = 2 ' 414 » »> RATIONAL METHOD INITIAL SUBAREA ANALYSIS « «< or NATURAL AVERAGE COVER oft to TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW-LENGTH = 1000.00 UPSTREAM ELEVATION = 3160.00 Om DOWNSTREAM ELEVATION = 2700.00 • ELEVATION DIFFERENCE = 460.00 TC = .706 *C( 1000.00 ** 3.00)/( 460.00)] ** .20 = 13.069 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.310 oo SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH /HR) = .5600 SUBAREA RUNOFF(CFS) = 24.75 t o TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 24.75 it *****wwww *wwww wwwwwwwwwwwwwwwwwwwwwwwwwwwwwww wwwwwwwwwwwwwwwwwwwwwwwwwwwwwww A 4. FLOW PROCESS FROM NODE 600.10 TO NODE 601.10 IS CODE = 5 , >COMPUTE TRAPEZOIDAL-CHANNEL FLOW « «< ws > » >TRAVELTIME THRU SUBAREA « «< iir UPSTREAM NODE ELEVATION = 2700.00 DOWNSTREAM NODE ELEVATION = 2580.00 we Um or DOWNSTREAM NODE ELEVATION = 2360.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 500.00 CHANNEL BASE(FEET) = 7.00 "Z" FACTOR = 4.000 moNNINGS FACTOR = .022 MAXIMUM DEPTH(FEET) = 1.00 As !NEL FLOW THRU SUBAREA(CFS) = 91.69 r.LJW VELOCITY(FEET /SEC) = 14.97 FLOW DEPTH(FEET) = .64 - TRAVEL TIME(MIN.) = .56 TC(MIN.) = 15.08 Am AA FLOW PROCESS FROM NODE 603.00 TO NODE 603.10 IS CODE = 8 Am » » »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< +w 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.037 Am SOIL CLASSIFICATION IS "A" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH /HR) = .8200 Am SUBAREA AREA(ACRES) = 38.00 SUBAREA RUNOFF(CFS) = 75.84 Am EFFECTIVE AREA(ACRES) = 78.00 AVERAGED Fm(INCH/HR) = .687 r "* TOTAL AREA(ACRES) = 78.00 PEAK FLOW RATE(CFS) = 165.03 TC(MIN) = 15.08 AA ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 603.10 TO NODE 604.10 IS CODE = 5 » »»COMPUTE TRAPEZOIDAL-CHANNEL FLOW « «< 41 » »>TRAVELTIME THRU SUBAREA ««< 7REAM NODE ELEVATION = 2360.00 Ams 1,L)WNSTREAM NODE ELEVATION = 1908.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 4000.00 -« CHANNEL BASE(FEET) = 9.00 "Z" FACTOR = 5.000 MANNINGS FACTOR = .022 MAXIMUM DEPTH(FEET) = 1.00 °*" CHANNEL FLOW THRU SUBAREA(CFS) = 165.03 FLOW VELOCITY(FEET /SEC) = 15.95 FLOW DEPTH(FEET) = .80 TRAVEL TIME(MIN.) = 4.18 TC(MIN.) = 19.26 FLOW PROCESS FROM NODE 604.00 TO NODE 604.10 IS CODE = 8 » »»ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.623 Aar SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH /HR) = .5600 SUBAREA AREA(ACRES) = 57.00 SUBAREA RUNOFF(CFS) = 105.82 40 EFFECTIVE AREA(ACRES) = 135.00 AVERAGED Fm(INCH/HR) = .633 " TOTAL AREA(ACRES) = 135.00 PEAK FLOW RATE(CFS) = 241.74 TC(MIN) = 19.26' Amo mow* . * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 1 PROCESS FROM NODE 604.10 TO NODE 604.10 IS CODE = 1 mm ow » »»DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< .„ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: *Ir TIME OF CONCENTRATION(MINUTES) = 19.26 RAINFALL INTENSITY (INCH. /HOUR) = 2.62 4W EFFECTIVE STREAM AREA(ACRES) = 135.00 TOTAL STREAM AREA(ACRES) = 135.00 ; FLOW RATE(CFS) AT CONFLUENCE = 241.74 ********************************************* * * * * * * ** * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 605.00 TO NODE 605.11 IS CODE = 2 » »RATIONAL METHOD INITIAL SUBAREA ANALYSIS« «< r NATURAL AVERAGE COVER TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 • INITIAL SUBAREA FLOW- LENGTH = 1200.00 UPSTREAM ELEVATION = 3000.00 DOWNSTREAM ELEVATION = 2520.00 4 , ELEVATION DIFFERENCE = 480.00 TC = .706 *[( 1200.00 ** 3.00)/( 480.00)] ** .20 = 14.457 • 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.116 SOIL CLASSIFICATION IS "8" " NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH /HR) = .5600 SUBAREA RUNOFF(CFS) = 23.00 • TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 23.00 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 605.11 TO NODE 605.12 IS CODE = 5 »COMPUTE TRAPEZOIDAL- CHANNEL FLOW « «< , >TRAVELTIME THRU SUBAREA« «< yse UPSTREAM NODE ELEVATION = 2520.00 DOWNSTREAM NODE ELEVATION = 2360.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 600.00 40 CHANNEL BASE(FEET) = 5.00 "2" FACTOR = 4.000 MANNINGS FACTOR = .022 MAXIMUM DEPTH(FEET) = 1.00 ." CHANNEL FLOW THRU SUBAREA(CFS) = 23.00 1**. FLOW VELOCITY(FEET /SEC) = 12.52 FLOW DEPTH(FEET) = .30 TRAVEL TIME(MIN.) = .80 TC(MIN.) = 15.26 ,,,********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 605.10 TO NODE 605.12 IS CODE = 8 vmk aw > »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.017 SOIL CLASSIFICATION IS "B" 40, NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 22.11 4 " EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH/HR) = .560 aw TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 44.22 TC(MIN) = 15.26 .********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 605.12 TO NODE 605.13 IS CODE = 5 » » > COMPUTE TRAPEZOIDAL- CHANNEL FLOW « «< » »>TRAVELTIME THRU SUBAREA « «< mw UPSTREAM NODE ELEVATION = 2360.00 [VJNSTREAM NODE ELEVATION = 2207.00 ow :NEL LENGTH THRU SUBAREA(FEET) = 1050.00 NNEL BASE(FEET) = 5.00 "Z" FACTOR = 4.000 • MANNINGS FACTOR = .022 MAXIMUM DEPTH(FEET) = 1.00 CHANNEL FLOW THRU SUBAREA(CFS) = 44.22 AO FLOW VELOCITY(FEET /SEC) = 13.16 FLOW DEPTH(FEET) = .48 TRAVEL TIME(MIN.) = 1.33 TC(MIN.) = 16.58 • FLOW PROCESS FROM NODE 605.20 TO NODE 605.13 IS CODE = 8 * » »> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< ▪ 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.869 SOIL CLASSIFICATION IS "B" AMP NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH /HR) = .5600 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 41.57 EFFECTIVE AREA(ACRES) = 40.00 s AVERAGED Fm(INCH/HR) = .560 TOTAL AREA(ACRES) = 40.00 • PEAK FLOW RATE(CFS) = 83.13 TC(MIN) = 16.58 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** -* FLOW PROCESS FROM NODE 605.30 TO NODE 605.13 IS CODE = 8 • »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< viw 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.869 SOIL CLASSIFICATION IS "B" NATURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH /HR) = .5600 • SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 83.13 EFFECTIVE AREA(ACRES) = 80.00 "" AVERAGED Fm(INCH /HR) = .560 TOTAL AREA(ACRES) = 80.00 PEAK FLOW RATE(CFS) = 166.27 TC(MIN) = 16.58 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** • FLOW PROCESS FROM NODE 605.13 TO NODE 605.10 IS CODE = 5 two » »>COMPUTE TRAPEZOIDAL-CHANNEL FLOW « «< » »>TRAVELTIME THRU SUBAREA « «< Aft N/ UPSTREAM NODE ELEVATION = 2207.00 DOWNSTREAM NODE ELEVATION = 2100.00 • CHANNEL LENGTH THRU SUBAREA(FEET) = 1450.00 CHANNEL BASE(FEET) = 10.00 "Z" FACTOR = 5.000 • MANNINGS FACTOR = .021 MAXIMUM DEPTH(FEET) = 1.00 at CHANNEL FLOW THRU SUBAREA(CFS) = 166.27 FLOW VELOCITY(FEET /SEC) = 14.20 FLOW DEPTH(FEET) = .83 AM - "•VEL TIME(MIN.) = 1.70 TC(MIN.) = 18.29 ref, ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 605.40 TO NODE 605.10 IS CODE = 8 ww »»>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< two 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.706 o'IL CLASSIFICATION IS "B" r RAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5600 .,dAREA AREA(ACRES) = 18.00 SUBAREA RUNOFF(CFS) = 34.76 w EFFECTIVE AREA(ACRES) = 98.00 AVERAGED Fm(INCH/HR) = .560 die TOTAL AREA(ACRES) = 98.00 PEAK FLOW RATE(CFS) = 189.27 • TC(MIN) = 18.29 .�1 FLOW PROCESS FROM NODE 605.10 TO NODE 606.10 IS CODE = 5 wr » » >COMPUTE TRAPEZOIDAL-CHANNEL FLOW««< we » »>TRAVELTIME THRU SUBAREA « «< me UPSTREAM NODE ELEVATION = 2100.00 • DOWNSTREAM NODE ELEVATION = 1990.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 4000.00 '"" CHANNEL BASE(FEET) = 10.00 "Z" FACTOR = 5.000 MANNINGS FACTOR = .021 MAXIMUM DEPTH(FEET) = 1.50 • CHANNEL FLOW THRU SUBAREA(CFS) = 189.27 FLOW VELOCITY(FEET /SEC) = 10.32 FLOW DEPTH(FEET) = 1.16 TRAVEL TIME(MIN.) = 6.46 TC(MIN.) = 24.74 F :OW PROCESS FROM NODE 606.00 TO NODE 606.10 IS CODE = 8 - , »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.257 SOIL CLASSIFICATION IS "8" • RESIDENTIAL-> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4500 SUBAREA AREA(ACRES) = 151.00 SUBAREA RUNOFF(CFS) = 245.56 "' EFFECTIVE AREA(ACRES) = 249.00 AVERAGED Fm(INCH /HR) = .493 we TOTAL AREA(ACRES) = 249.00 PEAK FLOW RATE(CFS) = 395.23 TC(MIN) = 24.74 FLOW PROCESS FROM NODE 606.10 TO NODE 604.10 IS CODE = 5 we » »>COMPUTE TRAPEZOIDAL-CHANNEL FLOW « «< AO » »>TRAVELTIME THRU SUBAREA ««< ,or- UPSTREAM NODE ELEVATION = 1990.00 *S DOWNSTREAM NODE ELEVATION = 1908.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 3300.00 • CHANNEL BASE(FEET) = 6.00 "Z" FACTOR = 1.500 ww MANNINGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 2.75 CHANNEL FLOW THRU SUBAREA(CFS) = 395.23 40 - ' "W VELOCITY(FEET /SEC) = 19.81 FLOW DEPTH(FEET) = 2.16 JEL TIME(MIN.) = 2.78 TC(MIN.) = 27.52 • ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 607.00 TO NODE 604.10 IS CODE = 8 wr » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.117 4** . CLASSIFICATION IS "A" NHiURAL AVERAGE COVER "GRASS" SUBAREA LOSS RATE, Fm(INCH /HR) = .8200 mm SUBAREA AREA(ACRES) = 148.00 SUBAREA RUNOFF(CFS) = 172.82 EFFECTIVE AREA(ACRES) = 397.00 AVERAGED Fm(INCH/HR) = .615 TOTAL AREA(ACRES) = 397.00 PEAK FLOW RATE(CFS) = 536.79 TC(MIN) = 27.52 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** w • FLOW PROCESS FROM NODE 604.10 TO NODE 604.10 IS CODE = 1 » »>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< 411 » »>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< wm CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 27.52 RAINFALL INTENSITY (INCH. /HOUR) = 2.12 EFFECTIVE STREAM AREA(ACRES) = 397.00 TOTAL STREAM AREA(ACRES) = 397.00 AO PEAK FLOW RATE(CFS) AT CONFLUENCE = 536.79 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE • NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 241.74 19.26 2.623 .63 135.00 2 536.79 27.52 2.117 .62 397.00 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. 00 SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE " NUMBER Q(CFS) AREA(ACRES) *or 1 743.86 412.88 *. 2 717.12 532.00 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: m0 PEAK FLOW RATE(CFS) = 743.86 TIME(MINUTES) = 19.262 EFFECTIVE AREA(ACRES) = 412.88 "" TOTAL AREA(ACRES) = 532.00 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 4111 FLOW PROCESS FROM NODE 604.10 TO NODE 608.10 IS CODE = 5 or- » »> COMPUTE TRAPEZOIDAL-CHANNEL FLOW« «< m* » »>TRAVELTIME THRU SUBAREA« «< ar UPSTREAM NODE ELEVATION = 1908.00 DOWNSTREAM NODE ELEVATION = 1868.00 aw CHANNEL LENGTH THRU SUBAREA(FEET) = 1300.00 " BASE(FEET) = 6.00 "Z" FACTOR = 1.500 RINGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 3.75 ** CHANNEL FLOW THRU SUBAREA(CFS) = 743.86 FLOW VELOCITY(FEET /SEC) = 25.69 FLOW DEPTH(FEET) = 2.83 • TRAVEL TIME(MIN.) = .84 TC(MIN.) = 20.11 mm **************************************************************************** FLOW PROCESS FROM NODE 608.00 TO NODE 608.10 IS CODE = 8 O >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< %* 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.556 SOIL CLASSIFICATION IS "B" WA RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) _ .4500 SUBAREA AREA(ACRES) = 55.00 SUBAREA RUNOFF(CFS) = 104.26 EFFECTIVE AREA(ACRES) = 467.88 A, AVERAGED Fm(INCH /HR) = .601 TOTAL AREA(ACRES) = 587.00 A* PEAK FLOW RATE(CFS) = 823.39 TC(MIN) = 20.11 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 608.10 TO NODE 518.20 IS CODE = 5 » »> COMPUTE TRAPEZOIDAL- CHANNEL FLOW « «< » >TRAVELTIME THRU SUBAREA« «< UPSTREAM NODE ELEVATION = 1868.00 DOWNSTREAM NODE ELEVATION = 1755.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 3500.00 CHANNEL BASE(FEET) = 6.00 "Z" FACTOR = 1.500 -.. MANNINGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 3.75 CHANNEL FLOW THRU SUBAREA(CFS) = 823.39 "' FLOW VELOCITY(FEET /SEC) = 26.85 FLOW DEPTH(FEET) = 2.94 TOAVEL TIME(MIN.) = 2.17 TC(MIN.) = 22.28 AW ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 518.20 TO NODE 518.20 IS CODE = 1 4 . » »>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE ««< » »>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES « «< mom CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 22.28 RAINFALL INTENSITY (INCH. /HOUR) = 2.40 EFFECTIVE STREAM AREA(ACRES) = 467.88 a TOTAL STREAM AREA(ACRES) = 587.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 823.39 mw CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) mm r 1 823.39 22.28 2.404 .60 467.88 '" RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 1 STREAMS. AO SUMMARY RESULTS: .r STREAM CONFLUENCE EFFECTIVE NUMBER 0(CFS) AREA(ACRES) WW 823.39 467.88 """ COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 823.39 TIME(MINUTES) = 22.278 EFFECTIVE AREA(ACRES) = 467.88 TOTAL AREA(ACRES) = 587.00 owo END OF STUDY SUMMARY: TOTAL AREA(ACRES) = 587.00 oft FrFECTIVE AREA(ACRES) = 467.88 or ; FLOW RATE(CFS) = 823.39 m. END OF RATIONAL METHOD ANALYSIS 4 .w MO 4 4 oar AV— *. .**********************************************************4************** RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE (Reference: 1986 SAN BERNARDINO CO. HYDROLOGY CRITERION) Copyright 1983,86,87 Advanced Engineering Software (aes) Ver. 4.1C Release Date: 5/11/87 Serial # I00908 Especially prepared for: HALL & FOREMAN • * * * * * * * * * * * * * * * * * * * * * * * * ** DESCRIPTION OF STUDY * * * * * * * * * * * * * * * * * * * * * * * * ** * N. FONTANA MASTER STORM DRAIN LINE B. * Q 100 -YR. STORM. DESIGN Q. * JN 3547, T. ARROYO, 11/29/89. * ******************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FILE NAME: A:LINEB.100 - TIME /DATE OF STUDY: 16: 1 11/27/1989 USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: -- *TIME -OF- CONCENTRATION MODEL * -- '" USER SPECIFIED STORM EVENT(YEAR) = 100.00 SPECIFIED MINIMUM PIPE SIZE(INCH) = 18.00 "" SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE _ .95 *USER- DEFINED LOGARITHMIC INTERPOLATION USED FOR RAINFALL* 10 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.050 `0 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.530 ..QMPUTED RAINFALL INTENSITY DATA: • STORM EVENT = 100.00 1 -HOUR INTENSITY(INCH /HOUR) = 1.5300 SLOPE OF INTENSITY DURATION CURVE _ .6000 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** "'" FLOW PROCESS FROM NODE 400.00 TO NODE 400.10 IS CODE = 2 » » > RATIONAL METHOD INITIAL SUBAREA ANALYSIS « «< . DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL - >_3 -4 DWELLINGS /ACRE TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 • INITIAL SUBAREA FLOW - LENGTH = 1000.00 UPSTREAM ELEVATION = 1815.00 0 DOWNSTREAM ELEVATION = 1805.00 ELEVATION DIFFERENCE = 10.00 "ma TC = .412 *[( 1000.00 ** 3.00)/( 10.00)] ** .20 = 16.402 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.332 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 • SUBAREA RUNOFF(CFS) = 24.75 TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 24.75 .* y****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 400.10 TO NODE 402.11 IS CODE = 3 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< • » »USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< ..EPTH OF FLOW IN 21.0 INCH PIPE IS 17.2 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 11.7 UPSTREAM NODE ELEVATION = 1805.00 DOWNSTREAM NODE ELEVATION = 1796.00 FLOWLENGTH(FEET) = 350.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 21.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 24.75 • TRAVEL TIME(MIN.) = .50 TC(MIN.) = 16.90 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** • FLOW PROCESS FROM NODE 402.00 TO NODE 402.11 IS CODE = 8 - » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.272 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 24.21 EFFECTIVE AREA(ACRES) = 20.00 -. AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 20.00 - PEAK FLOW RATE(CFS) = 48.43 TC(MIN) = 16.90 ** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ,OW PROCESS FROM NODE 401.00 TO NODE 402.11 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.272 SOIL CLASSIFICATION IS "A" • RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 18.00 SUBAREA RUNOFF(CFS) = 43.58 EFFECTIVE AREA(ACRES) = 38.00 AVERAGED Fm(INCH /HR) = .582 ' TOTAL AREA(ACRES) = 38.00 PEAK FLOW RATE(CFS) = 92.01 TC(MIN) = 16.90 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 402.11 TO NODE 402.21 IS CODE = 3 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< „A » »> USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< 4 ' DEPTH OF FLOW IN 36.0 INCH PIPE IS 24.6 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 17.8 • UPSTREAM NODE ELEVATION = 1796.00 DOWNSTREAM NODE ELEVATION = 1776.00 • FLOWLENGTH(FEET) = 660.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES = 1 • ^TPEFLOW THRU SUBAREA(CFS) = 92.01 4 0 .AVEL TIME(MIN.) = .62 TC(MIN.) = 17.52 :******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ""' FLOW PROCESS FROM NODE 402.20 TO NODE 402.21 IS CODE = 8 0 » »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 0w- 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.203 "A 'OIL CLASSIFICATION IS "A" 3SIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 . 3UBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 47.17 EFFECTIVE AREA(ACRES) = 58.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 58.00 PEAK FLOW RATE(CFS) = 136.80 TC(MIN) = 17.52 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** *` FLOW PROCESS FROM NODE 402.21 TO NODE 402.10 IS CODE = 3 » »COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » »USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 39.0 INCH PIPE IS 31.3 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 19.2 UPSTREAM NODE ELEVATION = 1776.00 DOWNSTREAM NODE ELEVATION = 1767.00 FLOWLENGTH(FEET) = 300.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 39.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 136.80 TRAVEL TIME(MIN.) _ .26 TC(MIN.) = 17.78 .wr • ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 404.00 TO NODE 402.10 IS CODE = 8 »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.174 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 33.50 SUBAREA RUNOFF(CFS) = 78.16 «.. EFFECTIVE AREA(ACRES) = 91.50 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 91.50 PEAK FLOW RATE(CFS) = 213.49 - TC(MIN) = 17.78 k******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 402.10 TO NODE 403.10 IS CODE = 3 > »COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< > »USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< . DEPTH OF FLOW IN 48.0 INCH PIPE IS 34.9 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 21.8 0 UPSTREAM NODE ELEVATION = 1767.00 DOWNSTREAM NODE ELEVATION = 1742.00 °` FLOWLENGTH(FEET) = 830.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 48.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 213.49 TRAVEL TIME(MIN.) = .63 TC(MIN.) = 18.41 *:-****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** . FLOW PROCESS FROM NODE 405.00 TO NODE 403.10 IS CODE = 8 40 > »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.108 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 'UBAREA AREA(ACRES) = 34.00 SUBAREA RUNOFF(CFS) = 77.31 • 'FECTIVE AREA(ACRES) = 125.50 ..VERAGED Fm(INCH /HR) = .582 . TOTAL AREA(ACRES) = 125.50 PEAK FLOW RATE(CFS) = 285.36 • TC(MIN) = 18.41 + r******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 4 " FLOW PROCESS FROM NODE 403.10 TO NODE 403.20 IS CODE = 3 • » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 54.0 INCH PIPE IS 39.8 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 22.7 • UPSTREAM NODE ELEVATION = 1742.00 DOWNSTREAM NODE ELEVATION = 1737.00 . FLOWLENGTH(FEET) = 180.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 54.00 NUMBER OF PIPES = 1 - PIPEFLOW THRU SUBAREA(CFS) = 285.36 TRAVEL TIME(MIN.) = .13 TC(MIN.) = 18.54 't******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 403.00 TO NODE 403.20 IS CODE = 8 »»>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< - .00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.095 .>0IL CLASSIFICATION IS "A" • RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 43.00 SUBAREA RUNOFF(CFS) = 97.26 - EFFECTIVE AREA(ACRES) = 168.50 AVERAGED Fm(INCH /HR) = .582 1 TOTAL AREA(ACRES) = 168.50 PEAK FLOW RATE(CFS) = 381.11 - TC(MIN) = 18.54 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 403.20 TO NODE 406.10 IS CODE = 3 »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< �• » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< 41 ' DEPTH OF FLOW IN 60.0 INCH PIPE IS 44.3 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 24.5 "" UPSTREAM NODE ELEVATION = 1737.00 DOWNSTREAM NODE ELEVATION = 1699.00 FLOWLENGTH(FEET) = 1350.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 60.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 381.11 if TRAVEL TIME(MIN.) = .92 TC(MIN.) = 19.46 * .&****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ,OW PROCESS FROM NODE 406.00 TO NODE 406.10 IS CODE = 8 "* » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.007 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 87.29 EFFECTIVE AREA(ACRES) = 208.50 - VERAGED Fm(INCH /HR) _ .582 )TAL AREA(ACRES) = 208.50 _iAK FLOW RATE(CFS) = 455.00 • TC(MIN) = 19.46 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** • FLOW PROCESS FROM NODE 407.00 TO NODE 406.10 IS CODE = 8 » »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< . 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.007 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) _ .5820 SUBAREA AREA(ACRES) = 46.00 SUBAREA RUNOFF(CFS) = 100.38 EFFECTIVE AREA(ACRES) = 254.50 ✓ AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 254.50 .., PEAK FLOW RATE(CFS) = 555.38 TC(MIN) = 19.46 40 m ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 406.10 TO NODE 408.10 IS CODE = 3 » »COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » »USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< nEPTH OF FLOW IN 69.0 INCH PIPE IS 53.5 INCHES ' PEFLOW VELOCITY(FEET /SEC.) = 25.7 UPSTREAM NODE ELEVATION = 1699.00 - DOWNSTREAM NODE ELEVATION = 1666.00 FLOWLENGTH(FEET) = 1300.00 MANNINGS N = .013 - ESTIMATED PIPE DIAMETER(INCH) = 69.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 555.38 TRAVEL TIME(MIN.) = .84 TC(MIN.) = 20.30 ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 408.00 TO NODE 408.10 IS CODE = 8 » »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.931 .., SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 00 ' SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 84.57 EFFECTIVE AREA(ACRES) = 294.50 40 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 294.50 PEAK FLOW RATE(CFS) = 622.67 TC(MIN) = 20.30 ,rr ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ■, FLOW PROCESS FROM NODE 408.10 TO NODE 409.11 IS CODE = 5 ' »COMPUTE TRAPEZOIDAL- CHANNEL FLOW« «< » » TRAVELTIME THRU SUBAREA« «< UPSTREAM NODE ELEVATION = 1666.00 DOWNSTREAM NODE ELEVATION = 1665.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 900.00 CHANNEL BASE(FEET) = 9.00 "Z" FACTOR = .000 MANNINGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 8.00 CHANNEL FLOW THRU SUBAREA(CFS) = 622.67 == »ERROR: FLOW IN CHANNEL EXCEEDS CHANNEL CAPACITY( NORMAL DEPTH EQUAL TO SPECIFIED MAXIMUM ALLOWABLE DEPTH). AS AN APPROXIMATION, FLOWDEPTH IS SET AT MAXIMUM ALLOWABLE DEPTH AND IS USED FOR TRAVELTIME CALCULATIONS. FLOW VELOCITY(FEET /SEC) = 8.65 FLOW DEPTH(FEET) = 8.00 TRAVEL TIME(MIN.) = 1.73 TC(MIN.) = 22.04 == >FLOWDEPTH EXCEEDS MAXIMUM ALLOWABLE DEPTH ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 409.00 TO NODE 409.11 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.791 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 -* SUBAREA AREA(ACRES) = 27.00 SUBAREA RUNOFF(CFS) = 53.67 EFFECTIVE AREA(ACRES) = 321.50 ` AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 321.50 - PEAK FLOW RATE(CFS) = 639.04 TC(MIN) = 22.04 *, * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 409.11 TO NODE 409.10 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL- CHANNEL FLOW« «< » > TRAVELTIME THRU SUBAREA« «< UPSTREAM NODE ELEVATION = 1665.00 - DOWNSTREAM NODE ELEVATION = 1664.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 820.00 - CHANNEL BASE(FEET) = 9.00 "Z" FACTOR = .000 MANNINGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 8.00 CHANNEL FLOW THRU SUBAREA(CFS) = 639.04 , == »ERROR: FLOW IN CHANNEL EXCEEDS CHANNEL CAPACITY( NORMAL DEPTH EQUAL TO SPECIFIED MAXIMUM ALLOWABLE DEPTH). AS AN APPROXIMATION, FLOWDEPTH IS SET AT MAXIMUM ALLOWABLE DEPTH AND IS USED FOR TRAVELTIME CALCULATIONS. FLOW VELOCITY(FEET /SEC) = 8.88 FLOW DEPTH(FEET) = 8.00 4. TRAVEL TIME(MIN.) = 1.54 TC(MIN.) = 23.58 == >FLOWDEPTH EXCEEDS MAXIMUM ALLOWABLE DEPTH :******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** m ,OW PROCESS FROM NODE 410.00 TO NODE 409.10 IS CODE = 8 m » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 411/ 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.680 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 26.00 SUBAREA RUNOFF(CFS) = 49.09 EFFECTIVE AREA(ACRES) = 347.50 TVERAGED Fm(INCH /HR) = .582 40 )TAL AREA(ACRES) = 347.50 _BAK FLOW RATE(CFS) = 656.06 TC(MIN) = 23.58 40 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** • FLOW PROCESS FROM NODE 409.10 TO NODE 411.10 IS CODE = 5 40 » »>COMPUTE TRAPEZOIDAL- CHANNEL FLOW« «< » »>TRAVELTIME THRU SUBAREA« «< UPSTREAM NODE ELEVATION = 1664.00 DOWNSTREAM NODE ELEVATION = 1662.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 850.00 CHANNEL BASE(FEET) = 9.00 "Z" FACTOR = .000 • MANNINGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 8.00 CHANNEL FLOW THRU SUBAREA(CFS) = 656.06 - FLOW VELOCITY(FEET /SEC) = 9.62 FLOW DEPTH(FEET) = 7.58 TRAVEL TIME(MIN.) = 1.47 TC(MIN.) = 25.05 -********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 411.00 TO NODE 411.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< • 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.584 SOIL CLASSIFICATION IS "A" ,,. ;SIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 .,JBAREA AREA(ACRES) = 26.00 SUBAREA RUNOFF(CFS) = 46.85 00 EFFECTIVE AREA(ACRES) = 373.50 AVERAGED Fm(INCH /HR) = .582 - TOTAL AREA(ACRES) = 373.50 PEAK FLOW RATE(CFS) = 672.99 mg TC(MIN) = 25.05 ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 411.10 TO NODE 411.10 IS CODE = 1 » »>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: •.. TIME OF CONCENTRATION(MINUTES) = 25.05 RAINFALL INTENSITY (INCH. /HOUR) = 2.58 EFFECTIVE STREAM AREA(ACRES) = 373.50 TOTAL STREAM AREA(ACRES) = 373.50 "" PEAK FLOW RATE(CFS) AT CONFLUENCE = 672.99 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 415.00 TO NODE 415.11 IS CODE = 2 »» >RATIONAL METHOD INITIAL SUBAREA ANALYSIS« «< 44 nEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 3 -4 DWELLINGS /ACRE 40 = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 ill INITIAL SUBAREA FLOW - LENGTH = 900.00 UPSTREAM ELEVATION = 1740.00 DOWNSTREAM ELEVATION = 1720.00 ELEVATION DIFFERENCE = 20.00 ,,., TC = .412 *[( 900.00 ** 3.00)/( 20.00)] ** .20 = 13.404 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.760 ,,,, SOIL CLASSIFICATION IS "A" "ESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 • TBAREA RUNOFF(CFS) = 14.30 _OTAL AREA(ACRES) = 5.00 PEAK FLOW RATE(CFS) = 14.30 d o ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 415.11 TO NODE 415.12 IS CODE = 3 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 18.0 INCH PIPE IS 13.1 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 10.3 UPSTREAM NODE ELEVATION = 1720.00 . DOWNSTREAM NODE ELEVATION = 1700.00 FLOWLENGTH(FEET) = 800.00 MANNINGS N = .013 Al ESTIMATED PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 14.30 '°R TRAVEL TIME(MIN.) = 1.29 TC(MIN.) = 14.69 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** • FLOW PROCESS FROM NODE 415.10 TO NODE 415.12 IS CODE = 8 » »> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.559 r SOIL CLASSIFICATION IS ',A,' RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 • TBAREA AREA(ACRES) = 5.00 SUBAREA RUNOFF(CFS) = 13.40 LFFECTIVE AREA(ACRES) = 10.00 .r AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 10.00 "vs PEAK FLOW RATE(CFS) = 26.79 TC(MIN) = 14.69 :******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ,., FLOW PROCESS FROM NODE 415.12 TO NODE 415.21 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< rc DEPTH OF FLOW IN 24.0 INCH PIPE IS 18.5 INCHES • PIPEFLOW VELOCITY(FEET /SEC.) = 10.3 UPSTREAM NODE ELEVATION = 1700.00 °• DOWNSTREAM NODE ELEVATION = 1696.00 FLOWLENGTH(FEET) = 240.00 MANNINGS N = .013 "" ESTIMATED PIPE DIAMETER(INCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 26.79 TRAVEL TIME(MIN.) = .39 TC(MIN.) = 15.08 .******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 415.20 TO NODE 415.21 IS CODE = 8 '-» »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.504 "' SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 26.29 EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 52.59 "'C (MIN) = 15.08 „ ms**************************************************************************** FLOW PROCESS FROM NODE 415.21 TO NODE 415.31 IS CODE = 3 AIL » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< »» >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 36.0 INCH PIPE IS 24.6 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 10.2 UPSTREAM NODE ELEVATION = 1696.00 DOWNSTREAM NODE ELEVATION = 1692.00 FLOWLENGTH(FEET) = 400.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 52.59 . TRAVEL TIME(MIN.) _ .65 TC(MIN.) = 15.73 k******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ""' FLOW PROCESS FROM NODE 415.30 TO NODE 415.31 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.416 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 18.00 SUBAREA RUNOFF(CFS) = 45.91 EFFECTIVE AREA(ACRES) = 38.00 • TERAGED Fm(INCH /HR) _ .582 DOTAL AREA(ACRES) = 38.00 PEAK FLOW RATE(CFS) = 96.92 TC(MIN) = 15.73 ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 415.31 TO NODE 415.41 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 42.0 INCH PIPE IS 29.1 INCHES - PIPEFLOW VELOCITY(FEET /SEC.) = 13.6 UPSTREAM NODE ELEVATION = 1692.00 . DOWNSTREAM NODE ELEVATION = 1687.00 FLOWLENGTH(FEET) = 350.00 MANNINGS N = .013 °' ESTIMATED PIPE DIAMETER(INCH) = 42.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 96.92 A"' TRAVEL TIME(MIN.) = .43 TC(MIN.) = 16.16 rr . ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ▪ FLOW PROCESS FROM NODE 415.40 TO NODE 415.41 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< am 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.361 IL CLASSIFICATION IS "A" 3SIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 17.00 SUBAREA RUNOFF(CFS) = 42.52 EFFECTIVE AREA(ACRES) = 55.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 55.00 PEAK FLOW RATE(CFS) = 137.57 TC(MIN) = 16.16 * •1***************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** _LOW PROCESS FROM NODE 415.41 TO NODE 411.10 IS CODE = 3 »»> COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< • »»>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< •- DEPTH OF FLOW IN 45.0 INCH PIPE IS 31.8 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 16.5 ' UPSTREAM NODE ELEVATION = 1687.00 DOWNSTREAM NODE ELEVATION = 1662.00 • FLOWLENGTH(FEET) = 1320.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 45.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 137.57 TRAVEL TIME(MIN.) = 1.33 TC(MIN.) = 17.50 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** • FLOW PROCESS FROM NODE 411.10 TO NODE 411.10 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(MINUTES) = 17.50 RAINFALL INTENSITY (INCH. /HOUR) = 3.20 EFFECTIVE STREAM AREA(ACRES) = 55.00 TOTAL STREAM AREA(ACRES) = 55.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 137.57 LJNFLUENCE INFORMATION: . STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 672.99 25.05 2.584 .58 373.50 ' 2 137.57 17.50 3.205 .58 55.00 - RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 778.00 428.50 - 2 753.40 315.88 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: s PEAK FLOW RATE(CFS) = 778.00 TIME(MINUTES) = 25.050 EFFECTIVE AREA(ACRES) = 428.50 ▪ TOTAL AREA(ACRES) = 428.50 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** • FLOW PROCESS FROM NODE 411.10 TO NODE 416.10 IS CODE = 5 <rr » »> COMPUTE TRAPEZOIDAL- CHANNEL FLOW« «< » »> TRAVELTIME THRU SUBAREA« «< • STREAM NODE ELEVATION = 1662.00 JWNSTREAM NODE ELEVATION = 1660.00 • CHANNEL LENGTH THRU SUBAREA(FEET) = 800.00 CHANNEL BASE(FEET) = 9.00 "Z" FACTOR = .000 • MANNINGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 8.00 CHANNEL FLOW THRU SUBAREA(CFS) = 778.00 == »ERROR: FLOW IN CHANNEL EXCEEDS CHANNEL CAPACITY( NORMAL DEPTH EQUAL TO SPECIFIED MAXIMUM ALLOWABLE DEPTH). AS AN APPROXIMATION, FLOWDEPTH IS SET AT MAXIMUM ALLOWABLE DEPTH AND IS USED FOR TRAVELTIME CALCULATIONS. FLOW VELOCITY(FEET /SEC) = 10.81 FLOW DEPTH(FEET) = 8.00 + TRAVEL TIME(MIN.) = 1.23 TC(MIN.) = 26.28 == >FLOWDEPTH EXCEEDS MAXIMUM ALLOWABLE DEPTH - r********* ************************************ * * * * * * * * * * * * * * * * * * * * * * * * ** * * * * FLOW PROCESS FROM NODE 416.00 TO NODE 416.10 IS CODE = 8 »»>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< • 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.511 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 22.00 SUBAREA RUNOFF(CFS) = 38.19 • EFFECTIVE AREA(ACRES) = 450.50 AVERAGED Fm(INCH /HR) = .582 - TOTAL AREA(ACRES) = 450.50 PEAK FLOW RATE(CFS) = 781.94 °" TC(MIN) = 26.28 ar ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 416.10 TO NODE 417.10 IS CODE = 5 - >»>COMPUTE TRAPEZOIDAL- CHANNEL FLOW« «< ..� » »>TRAVELTIME THRU SUBAREA ««< - UPSTREAM NODE ELEVATION = 1660.00 DOWNSTREAM NODE ELEVATION = 1638.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 2000.00 CHANNEL BASE(FEET) = 9.00 "Z" FACTOR = .000 ^' MANNINGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 8.00 CHANNEL FLOW THRU SUBAREA(CFS) = 781.94 '° FLOW VELOCITY(FEET /SEC) = 18.23 FLOW DEPTH(FEET) = 4.77 TRAVEL TIME(MIN.) = 1.83 TC(MIN.) = 28.11 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 417.00 TO NODE 417.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.411 SOIL CLASSIFICATION IS "A" 41w RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 60.00 SUBAREA RUNOFF(CFS) = 98.78 "" EFFECTIVE AREA(ACRES) = 510.50 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 510.50 PEAK FLOW RATE(CFS) = 840.46 TC(MIN) = 28.11 .********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 417.10 TO NODE 417.10 IS CODE = 1 » »>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< • »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES« «< .., CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: THE OF CONCENTRATION(MINUTES) = 28.11 IINFALL INTENSITY (INCH. /HOUR) = 2.41 BFFECTIVE STREAM AREA(ACRES) = 510.50 • TOTAL STREAM AREA(ACRES) = 510.50 PEAK FLOW RATE(CFS) AT CONFLUENCE = 840.46 CONFLUENCE INFORMATION: • STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 840.46 28.11 2.411 .58 510.50 . RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 1 STREAMS. . SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE 4 . NUMBER Q(CFS) AREA(ACRES) • 1 840.46 510.50 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 840.46 TIME(MINUTES) = 28.112 EFFECTIVE AREA(ACRES) = 510.50 TOTAL AREA(ACRES) = 510.50 ********************************************* * * ** * * * * * * * * * ** * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 417.10 TO NODE 417.10 IS CODE = 7 > »>USER SPECIFIED HYDROLOGY INFORMATION AT NODE « «< USER - SPECIFIED VALUES ARE AS FOLLOWS: 41 ` TC(MIN) = 20.55 RAIN INTENSITY(INCH /HOUR) = 2.91 EFFECTIVE AREA(ACRES) = 356.84 -* TOTAL AREA(ACRES) = 374.00 PEAK FLOW RATE(CFS) = 789.09 AVERAGED LOSS RATE, Fm(IN /HR) = .580 •******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** err FLOW PROCESS FROM NODE 417.10 TO NODE 417.10 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(MINUTES) = 20.55 RAINFALL INTENSITY (INCH. /HOUR) = 2.91 EFFECTIVE STREAM AREA(ACRES) = 356.84 TOTAL STREAM AREA(ACRES) = 374.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 789.09 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 840.46 28.11 2.411 .58 510.50 • 2 789.09 20.55 2.910 .58 356.84 "" ,INFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: „w STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 1460.65 867.34 2 1570.98 730.02 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: iAK FLOW RATE(CFS) = 1570.98 TIME(MINUTES) = 20.550 .► 'FECTIVE AREA(ACRES) = 730.02 _JTAL AREA(ACRES) = 884.50 x******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 417.10 TO NODE 426.10 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL- CHANNEL FLOW« «< » » > TRAVELTIME THRU SUBAREA« «< UPSTREAM NODE ELEVATION = 1638.00 rr DOWNSTREAM NODE ELEVATION = 1629.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1320.00 • CHANNEL BASE(FEET) = 9.50 "Z" FACTOR = .000 MANNINGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 9.00 A+ CHANNEL FLOW THRU SUBAREA(CFS) = 1570.98 == »ERROR: FLOW IN CHANNEL EXCEEDS CHANNEL CAPACITY( NORMAL DEPTH EQUAL TO SPECIFIED MAXIMUM ALLOWABLE DEPTH). AS AN APPROXIMATION, FLOWDEPTH IS SET AT MAXIMUM ALLOWABLE DEPTH AND IS USED FOR TRAVELTIME CALCULATIONS. FLOW VELOCITY(FEET /SEC) = 18.37 FLOW DEPTH(FEET) = 9.00 „ TRAVEL TIME(MIN.) = 1.20 TC(MIN.) = 21.75 . == >FLOWDEPTH EXCEEDS MAXIMUM ALLOWABLE DEPTH .. c******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 426.00 TO NODE 426.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< ar 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.813 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 42.00 SUBAREA RUNOFF(CFS) = 84.32 - EFFECTIVE AREA(ACRES) = 772.02 AVERAGED Fm(INCH /HR) = .581 . TOTAL AREA(ACRES) = 926.50 PEAK FLOW RATE(CFS) = 1570.98 . TC(MIN) = 21.75 wr ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** • FLOW PROCESS FROM NODE 426.10 TO NODE 427.10 IS CODE = 5 4 » TRAPEZOIDAL- CHANNEL FLOW« «< » » > TRAVELTIME THRU SUBAREA« «< a UPSTREAM NODE ELEVATION = 1629.00 DOWNSTREAM NODE ELEVATION = 1614.00 0. CHANNEL LENGTH THRU SUBAREA(FEET) = 1320.00 PHANNEL BASE(FEET) = 9.50 "Z" FACTOR = .000 NNINGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 9.00 - 1.1ANNEL FLOW THRU SUBAREA(CFS) = 1570.98 ' FLOW VELOCITY(FEET /SEC) = 21.63 FLOW DEPTH(FEET) = 7.65 TRAVEL TIME(MIN.) = 1.02 TC(MIN.) = 22.76 k* ******************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** .r FLOW PROCESS FROM NODE 427.00 TO NODE 427.10 IS CODE = 8 • •°»»ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 4r 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.737 . SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 ar SUBAREA AREA(ACRES) = 42.00 SUBAREA RUNOFF(CFS) = 81.45 EFFECTIVE AREA(ACRES) = 814.02 • AVERAGED Fm(INCH /HR) = .581 TOTAL AREA(ACRES) = 968.50 PEAK FLOW RATE(CFS) = 1579.21 TC(MIN) = 22.76 4. ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 427.10 TO NODE 428.10 IS CODE = 5 » »»COMPUTE TRAPEZOIDAL- CHANNEL FLOW« «< » » »>TRAVELTIME THRU SUBAREA« «< UPSTREAM NODE ELEVATION = 1614.00 w DOWNSTREAM NODE ELEVATION = 1597.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1220.00 4. CHANNEL BASE(FEET) = 10.00 "Z" FACTOR = .000 MANNINGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 9.00 CHANNEL FLOW THRU SUBAREA(CFS) = 1579.21 FLOW VELOCITY(FEET /SEC) = 23.58 FLOW DEPTH(FEET) = 6.70 TRAVEL TIME(MIN.) = .86 TC(MIN.) = 23.63 ***************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** rLOW PROCESS FROM NODE 428.00 TO NODE 428.10 IS CODE = 8 AF » » »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.676 44 SOIL CLASSIFICATION IS ""A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 - SUBAREA AREA(ACRES) = 38.00 SUBAREA RUNOFF(CFS) = 71.63 EFFECTIVE AREA(ACRES) = 852.02 AVERAGED Fm(INCH /HR) = .581 TOTAL AREA(ACRES) = 1006.50 PEAK FLOW RATE(CFS) = 1606.60 . TC(MIN) = 23.63 ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** *" FLOW PROCESS FROM NODE 428.10 TO NODE 428.10 IS CODE = 1 • » » »DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 23.63 RAINFALL INTENSITY (INCH. /HOUR) = 2.68 ,r EFFECTIVE STREAM AREA(ACRES) = 852.02 TOTAL STREAM AREA(ACRES) = 1006.50 y,p,, PEAK FLOW RATE(CFS) AT CONFLUENCE = 1606.60 *. x***************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 428.10 TO NODE 428.10 IS CODE = 7 » » »USER SPECIFIED HYDROLOGY INFORMATION AT NODE « «< USER - SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 18.55 RAIN INTENSITY(INCH /HOUR) = 3.09 EFFECTIVE AREA(ACRES) = 255.27 `TAL AREA(ACRES) = 260.00 PEAK FLOW RATE(CFS) = 622.25 7 ERAGED LOSS RATE, Fm(IN /HR) = .580 ********************************************* * * *** * * * ** * * * ** * ** ** ** ** * * * * * ** 0 FLOW PROCESS FROM NODE 428.10 TO NODE 428.10 IS CODE = 1 » »DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< » »>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES« « < 0. CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: ' TIME OF CONCENTRATION(MINUTES) = 18.55 RAINFALL INTENSITY (INCH. /HOUR) = 3.09 EFFECTIVE STREAM AREA(ACRES) = 255.27 TOTAL STREAM AREA(ACRES) = 260.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 622.25 Mr CONFLUENCE INFORMATION: . STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 1606.60 23.63 2.676 .58 852.02 • 2 622.25 18.55 3.094 .58 255.27 ' RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE *TUMBER Q(CFS) AREA(ACRES) 1 2125.37 1107.29 - 2 2135.30 924.17 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: - PEAK FLOW RATE(CFS) = 2135.30 TIME(MINUTES) = 18.549 EFFECTIVE AREA(ACRES) = 924.17 4 ' TOTAL AREA(ACRES) = 1266.50 :******************************************** * * * ** * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 428.10 TO NODE 428.20 IS CODE = 5 » »COMPUTE TRAPEZOIDAL- CHANNEL FLOW« «< - » » >TRAVELTIME THRU SUBAREA« «< • UPSTREAM NODE ELEVATION = 1597.00 DOWNSTREAM NODE ELEVATION = 1536.00 mi+ CHANNEL LENGTH THRU SUBAREA(FEET) = 3800.00 CHANNEL BASE(FEET) = 10.00 ""Z" FACTOR = .000 • MANNINGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 9.00 CHANNEL FLOW THRU SUBAREA(CFS) = 2135.30 ' FLOW VELOCITY(FEET /SEC) = 26.58 FLOW DEPTH(FEET) = 8.03 TRAVEL TIME(MIN.) = 2.38 TC(MIN.) = 20.93 M ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 444.00 TO NODE 428.20 IS CODE = 8 »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.878 SOIL CLASSIFICATION IS "A" • RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 156.00 SUBAREA RUNOFF(CFS) = 322.37 EFFECTIVE AREA(ACRES) = 1080.17 AVERAGED Fm(INCH /HR) _ .581 TOTAL AREA(ACRES) = 1422.50 ''' 4K FLOW RATE(CFS) = 2233.09 ,r . 'MIN) = 20.93 ********************************************* ** * * * *** * * * * * * * ** * * * * * * * ** * **** FLOW PROCESS FROM NODE 428.20 TO NODE 428.30 IS CODE = 5 » »> COMPUTE TRAPEZOIDAL- CHANNEL FLOW« «< Mr » »>TRAVELTIME THRU SUBAREA« «< UPSTREAM NODE ELEVATION = 1536.00 " DOWNSTREAM NODE ELEVATION = 1527.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 600.00 CHANNEL BASE(FEET) = 10.00 "Z" FACTOR = .000 MANNINGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 9.00 CHANNEL FLOW THRU SUBAREA(CFS) = 2233.09 r FLOW VELOCITY(FEET /SEC) = 26.09 FLOW DEPTH(FEET) = 8.56 TRAVEL TIME(MIN.) = .38 TC(MIN.) = 21.32 '********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 428.30 TO NODE 428.30 IS CODE = 1 » »>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< » » >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES« «< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 21.32 PAINFALL INTENSITY (INCH. /HOUR) = 2.85 - FECTIVE STREAM AREA(ACRES) = 1080.17 3UTAL STREAM AREA(ACRES) = 1422.50 PEAK FLOW RATE(CFS) AT CONFLUENCE = 2233.09 .. CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE '" NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 2233.09 21.32 2.847 .58 1080.17 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 1 STREAMS. SUMMARY RESULTS: . STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 2233.09 1080.17 41 ' COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 2233.09 TIME(MINUTES) = 21.315 `*" EFFECTIVE AREA(ACRES) = 1080.17 TOTAL AREA(ACRES) = 1422.50 END OF STUDY SUMMARY: • TOTAL AREA(ACRES) = 1422.50 40 EFFECTIVE AREA(ACRES) = 1080.17 PEAK FLOW RATE(CFS) = 2233.09 mar "ND OF RATIONAL METHOD ANALYSIS .******************************************** * * ** * * * * * * * * * * ** * ** * * * * ** * * * * ** RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE (Reference: 1986 SAN BERNARDINO CO. HYDROLOGY CRITERION) Copyright 1983,86,87 Advanced Engineering Software (aes) Ver. 4.1C Release Date: 5/11/87 Serial # 200908 Especially prepared for: HALL & FOREMAN * * * * * * * * * * * * * * * * * * * * * * * * ** DESCRIPTION OF STUDY * * * * * * * * * * * * * * * * * * * * * * * * ** * N. FONTANA MASTER STORM DRAIN LINE B. * ,* Q 25 -YR., NOT DESIGN Q. * * JN 3547, T. ARROYO, 11/27/89. * ... ******************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 4 ° FILE NAME: A:LINEB.25 TIME /DATE OF STUDY: 16: 5 11/27/1989 USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: -- *TIME -OF- CONCENTRATION MODEL*- - .,. USER SPECIFIED STORM EVENT(YEAR) = 25.00 SPECIFIED MINIMUM PIPE SIZE(INCH) = 18.00 • SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE = .95 *USER- DEFINED LOGARITHMIC INTERPOLATION USED FOR RAINFALL* • 10 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.050 100 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.530 COMPUTED RAINFALL INTENSITY DATA: STORM EVENT = 25.00 1 -HOUR INTENSITY(INCH /HOUR) = 1.2167 SLOPE OF INTENSITY DURATION CURVE = .6000 * *- ****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ,OW PROCESS FROM NODE 400.00 TO NODE 400.10 IS CODE = 2 • » »>RATIONAL METHOD INITIAL SUBAREA ANALYSIS« «< • DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 3 -4 DWELLINGS /ACRE 41 ' TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW - LENGTH = 1000.00 "- UPSTREAM ELEVATION = 1815.00 DOWNSTREAM ELEVATION = 1805.00 ELEVATION DIFFERENCE = 10.00 TC = .412 *[( 1000.00 ** 3.00)/( 10.00)] ** .20 = 16.402 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.649 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) _ .5820 ,.. SUBAREA RUNOFF(CFS) = 18.61 TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 18.61 .r******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 400.10 TO NODE 402.11 IS CODE = 3 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 21.0 INCH PIPE IS 13.6 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 11.3 UPSTREAM NODE ELEVATION = 1805.00 • 'WNSTREAM NODE ELEVATION = 1796.00 ,i3OWLENGTH(FEET) = 350.00 MANNINGS N = .013 *+ ESTIMATED PIPE DIAMETER(INCH) = 21.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 18.61 TRAVEL TIME(MIN.) = .52 TC(MIN.) = 16.92 4.' ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 402.00 TO NODE 402.11 IS CODE = 8 -»ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.601 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 18.17 - EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH /HR) _ .582 "" TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 36.34 - TC(MIN) = 16.92 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 401.00 TO NODE 402.11 IS CODE = 8 > »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.601 • SOIL CLASSIFICATION IS "Au RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) _ .5820 "" SUBAREA AREA(ACRES) = 18.00 SUBAREA RUNOFF(CFS) = 32.70 EFFECTIVE AREA(ACRES) = 38.00 -` AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 38.00 • PEAK FLOW RATE(CFS) = 69.04 TC(MIN) = 16.92 * _****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** . FLOW PROCESS FROM NODE 402.11 TO NODE 402.21 IS CODE = 3 - » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 30.0 INCH PIPE IS 24.4 INCHES • PIPEFLOW VELOCITY(FEET /SEC.) = 16.2 UPSTREAM NODE ELEVATION = 1796.00 DOWNSTREAM NODE ELEVATION = 1776.00 FLOWLENGTH(FEET) = 660.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 30.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 69.04 TRAVEL TIME(MIN.) = .68 TC(MIN.) = 17.60 .********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 402.20 TO NODE 402.21 IS CODE = 8 » > ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< Alp 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.540 SOIL CLASSIFICATION IS "A" m RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 35.24 EFFECTIVE AREA(ACRES) = 58.00 'AVERAGED Fm(INCH /HR) = .582 )TAL AREA(ACRES) = 58.00 'r;AK FLOW RATE(CFS) = 102.20 TC(MIN) = 17.60 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 402.21 TO NODE 402.10 IS CODE = 3 arr » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< »»USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 36.0 INCH PIPE IS 26.9 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 18.0 UPSTREAM NODE ELEVATION = 1776.00 DOWNSTREAM NODE ELEVATION = 1767.00 FLOWLENGTH(FEET) = 300.00 MANNINGS N = .013 . ESTIMATED PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 102.20 * TRAVEL TIME(MIN.) = .28 TC(MIN.) = 17.88 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 404.00 TO NODE 402.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.516 ., SOIL CLASSIFICATION IS ',Au RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 ** SUBAREA AREA(ACRES) = 33.50 SUBAREA RUNOFF(CFS) = 58.31 EFFECTIVE AREA(ACRES) = 91.50 - AVERAGED Fm(INCH /HR) _ .582 TOTAL AREA(ACRES) = 91.50 PEAK FLOW RATE(CFS) = 159.28 TC(MIN) = 17.88 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ;OW PROCESS FROM NODE 402.10 TO NODE 403.10 IS CODE = 3 • » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » »> USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 42.0 INCH PIPE IS 32.2 INCHES - PIPEFLOW VELOCITY(FEET /SEC.) = 20.1 UPSTREAM NODE ELEVATION = 1767.00 '" DOWNSTREAM NODE ELEVATION = 1742.00 FLOWLENGTH(FEET) = 830.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 42.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 159.28 TRAVEL TIME(MIN.) _ .69 TC(MIN.) = 18.56 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 405.00 TO NODE 403.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.460 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 34.00 SUBAREA RUNOFF(CFS) = 57.46 rr EFFECTIVE AREA(ACRES) = 125.50 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 125.50 1 DEAK FLOW RATE(CFS) = 212.09 :(MIN) = 18.56 Oft r*********** ********************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 403.10 TO NODE 403.20 IS CODE = 3 » »COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< ai44 » »USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< " "IEPTH OF FLOW IN 48.0 INCH PIPE IS 35.9 INCHES CPEFLOW VELOCITY(FEET /SEC.) = 21.0 4. .,PSTREAM NODE ELEVATION = 1742.00 DOWNSTREAM NODE ELEVATION = 1737.00 FLOWLENGTH(FEET) = 180.00 MANNINGS N = .013 w. ESTIMATED PIPE DIAMETER(INCH) = 48.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 212.09 . TRAVEL TIME(MIN.) _ .14 TC(MIN.) = 18.71 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 41 ' FLOW PROCESS FROM NODE 403.00 TO NODE 403.20 IS CODE = 8 » »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 4114 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.448 .6 SOIL CLASSIFICATION IS 11 A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) _ .5820 • SUBAREA AREA(ACRES) = 43.00 SUBAREA RUNOFF(CFS) = 72.23 EFFECTIVE AREA(ACRES) = 168.50 • AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 168.50 .• PEAK FLOW RATE(CFS) = 283.05 TC(MIN) = 18.71 •********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 403.20 TO NODE 406.10 IS CODE = 3 •»COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< ,» »USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 54.0 INCH PIPE IS 39.3 INCHES • PIPEFLOW VELOCITY(FEET /SEC.) = 22.8 UPSTREAM NODE ELEVATION = 1737.00 .*" DOWNSTREAM NODE ELEVATION = 1699.00 FLOWLENGTH(FEET) = 1350.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 54.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 283.05 TRAVEL TIME(MIN.) = .99 TC(MIN.) = 19.69 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 406.00 TO NODE 406.10 IS CODE = 8 » »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.374 '* SOIL CLASSIFICATION IS 11 A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 ,r SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 64.52 EFFECTIVE AREA(ACRES) = 208.50 ' AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 208.50 PEAK FLOW RATE(CFS) = 336.30 TC(MIN) = 19.69 *: ****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 407.00 TO NODE 406.10 IS CODE = 8 » »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.374 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 ^UBAREA AREA(ACRES) = 46.00 SUBAREA RUNOFF(CFS) = 74.20 ^FECTIVE AREA(ACRES) = 254.50 JERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 254.50 PEAK FLOW RATE(CFS) = 410.49 • TC(MIN) = 19.69 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 406.10 TO NODE 408.10 IS CODE = 3 • » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< »» >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 63.0 INCH PIPE IS 46.3 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 24.1 UPSTREAM NODE ELEVATION = 1699.00 DOWNSTREAM NODE ELEVATION = 1666.00 FLOWLENGTH(FEET) = 1300.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 63.00 NUMBER OF PIPES = 1 • PIPEFLOW THRU SUBAREA(CFS) = 410.49 TRAVEL TIME(MIN.) _ .90 TC(MIN.) = 20.59 ft '********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 408.00 TO NODE 408.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.311 ,OIL CLASSIFICATION IS "A" • RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 62.25 • EFFECTIVE AREA(ACRES) = 294.50 AVERAGED Fm(INCH/HR) = .582 • TOTAL AREA(ACRES) = 294.50 PEAK FLOW RATE(CFS) = 458.35 - TC(MIN) = 20.59 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 408.10 TO NODE 409.11 IS CODE = 5 » »>COMPUTE TRAPEZOIDAL- CHANNEL FLOW« «< - »»> TRAVELTIME THRU SUBAREA««< w UPSTREAM NODE ELEVATION = 1666.00 DOWNSTREAM NODE ELEVATION = 1665.00 ^` CHANNEL LENGTH THRU SUBAREA(FEET) = 900.00 CHANNEL BASE(FEET) = 9.00 "Z" FACTOR = .000 MANNINGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 8.00 CHANNEL FLOW THRU SUBAREA(CFS) = 458.35 FLOW VELOCITY(FEET /SEC) = 6.61 FLOW DEPTH(FEET) = 7.70 m TRAVEL TIME(MIN.) = 2.27 TC(MIN.) = 22.86 * ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** w AM? PROCESS FROM NODE 409.00 TO NODE 409.11 IS CODE = 8 • » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.171 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 27.00 SUBAREA RUNOFF(CFS) = 38.61 EFFECTIVE AREA(ACRES) = 321.50 "VERAGED Fm(INCH /HR) = .582 )TAL AREA(ACRES) = 321.50 TEAK FLOW RATE(CFS) = 459.72 TC(MIN) = 22.86 a ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** °_ FLOW PROCESS FROM NODE 409.11 TO NODE 409.10 IS CODE = 5 • » »COMPUTE TRAPEZOIDAL- CHANNEL FLOW« «< » »>TRAVELTIME THRU SUBAREA« «< UPSTREAM NODE ELEVATION = 1665.00 DOWNSTREAM NODE ELEVATION = 1664.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 820.00 CHANNEL BASE(FEET) = 9.00 "Z" FACTOR = .000 MANNINGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 8.00 CHANNEL FLOW THRU SUBAREA(CFS) = 459.72 - FLOW VELOCITY(FEET /SEC) = 6.88 FLOW DEPTH(FEET) = 7.42 TRAVEL TIME(MIN.) = 1.99 TC(MIN.) = 24.85 A-** ******************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 410.00 TO NODE 409.10 IS CODE = 8 » »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.065 QOIL CLASSIFICATION IS "A" :SIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 .,UBAREA AREA(ACRES) = 26.00 SUBAREA RUNOFF(CFS) = 34.70 - EFFECTIVE AREA(ACRES) = 347.50 AVERAGED Fm(INCH /HR) _ .582 - TOTAL AREA(ACRES) = 347.50 PEAK FLOW RATE(CFS) = 463.80 TC(MIN) = 24.85 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 409.10 TO NODE 411.10 IS CODE = 5 » »COMPUTE TRAPEZOIDAL- CHANNEL FLOW« «< » »>TRAVELTIME THRU SUBAREA« «< . UPSTREAM NODE ELEVATION = 1664.00 DOWNSTREAM NODE ELEVATION = 1662.00 4 ' CHANNEL LENGTH THRU SUBAREA(FEET) = 850.00 CHANNEL BASE(FEET) = 9.00 "Z" FACTOR = .000 • MANNINGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 8.00 CHANNEL FLOW THRU SUBAREA(CFS) = 463.80 FLOW VELOCITY(FEET /SEC) = 8.94 FLOW DEPTH(FEET) = 5.77 TRAVEL TIME(MIN.) = 1.58 TC(MIN.) = 26.43 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** , FLOW PROCESS FROM NODE 411.00 TO NODE 411.10 IS CODE = 8 a »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< '"A 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.990 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 26.00 SUBAREA RUNOFF(CFS) = 32.94 EFFECTIVE AREA(ACRES) = 373.50 41 ' AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 373.50 WEAK FLOW RATE(CFS) = 473.22 :MIN) = 26.43 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ... FLOW PROCESS FROM NODE 411.10 TO NODE 411.10 IS CODE = 1 - » »>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< 40 CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 26.43 '"` RAINFALL INTENSITY (INCH. /HOUR) = 1.99 EFFECTIVE STREAM AREA(ACRES) = 373.50 TOTAL STREAM AREA(ACRES) = 373.50 PEAK FLOW RATE(CFS) AT CONFLUENCE = 473.22 * ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 415.00 TO NODE 415.11 IS CODE = 2 »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS« «< - DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 3 -4 DWELLINGS /ACRE • TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW - LENGTH = 900.00 - UPSTREAM ELEVATION = 1740.00 DOWNSTREAM ELEVATION = 1720.00 'LEVATION DIFFERENCE = 20.00 = .412 *[( 900.00 ** 3.00)/( 20.00)] ** .20 = 13.404 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.991 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 - SUBAREA RUNOFF(CFS) = 10.84 TOTAL AREA(ACRES) = 5.00 PEAK FLOW RATE(CFS) = 10.84 »********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 415.11 TO NODE 415.12 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 18.0 INCH PIPE IS 10.8 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 9.8 UPSTREAM NODE ELEVATION = 1720.00 mo DOWNSTREAM NODE ELEVATION = 1700.00 FLOWLENGTH(FEET) = 800.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 10.84 411 TRAVEL TIME(MIN.) = 1.36 TC(MIN.) = 14.76 ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 415.10 TO NODE 415.12 IS CODE = 8 »»ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 411% 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.822 ,. SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 5.00 SUBAREA RUNOFF(CFS) = 10.08 EFFECTIVE AREA(ACRES) = 10.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 20.16 TC(MIN) = 14.76 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 415.12 TO NODE 415.21 IS CODE = 3 40- » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< • » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< a ' DEPTH OF FLOW IN 24.0 INCH PIPE IS 14.9 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 9.8 UPSTREAM NODE ELEVATION = 1700.00 DOWNSTREAM NODE ELEVATION = 1696.00 FLOWLENGTH(FEET) = 240.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 20.16 r TRAVEL TIME(MIN.) = .41 TC(MIN.) = 15.17 * ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** a FLOW PROCESS FROM NODE 415.20 TO NODE 415.21 IS CODE = 8 a » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.777 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 19.75 PFFECTIVE AREA(ACRES) = 20.00 - TERAGED Fm(INCH /HR) = .582 .C)TAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 39.50 TC(MIN) = 15.17 40%**** **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 415.21 TO NODE 415.31 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 30.0 INCH PIPE IS 24.3 INCHES • PIPEFLOW VELOCITY(FEET /SEC.) = 9.3 UPSTREAM NODE ELEVATION = 1696.00 . DOWNSTREAM NODE ELEVATION = 1692.00 FLOWLENGTH(FEET) = 400.00 MANNINGS N = .013 a ESTIMATED PIPE DIAMETER(INCH) = 30.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 39.50 "" TRAVEL TIME(MIN.) = .72 TC(MIN.) = 15.89 aTr ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 415.30 TO NODE 415.31 IS CODE = 8 ar »» >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.701 L CLASSIFICATION IS "A" :�i$IDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 a SUBAREA AREA(ACRES) = 18.00 SUBAREA RUNOFF(CFS) = 34.32 EFFECTIVE AREA(ACRES) = 38.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 38.00 PEAK FLOW RATE(CFS) = 72.46 TC(MIN) = 15.89 403 ****************************************** * * * * * * * ** * * * * ** * * * * ** * * * * * * * * ** rLOW PROCESS FROM NODE 415.31 TO NODE 415.41 IS CODE = 3 » »> COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< • » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< - DEPTH OF FLOW IN 36.0 INCH PIPE IS 27.5 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 12.5 UPSTREAM NODE ELEVATION = 1692.00 DOWNSTREAM NODE ELEVATION = 1687.00 FLOWLENGTH(FEET) = 350.00 MANNINGS N = .013 • ESTIMATED PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 72.46 • TRAVEL TIME(MIN.) = .47 TC(MIN.) = 16.35 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** - FLOW PROCESS FROM NODE 415.40 TO NODE 415.41 IS CODE = 8 • »»>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.654 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 17.00 SUBAREA RUNOFF(CFS) = 31.70 EFFECTIVE AREA(ACRES) = 55.00 • AVERAGED Fm(INCH /HR) = .582 'T'OTAL AREA(ACRES) = 55.00 ' s AK FLOW RATE(CFS) = 102.57 .C(MIN) = 16.35 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 415.41 TO NODE 411.10 IS CODE = 3 » »> COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< DEPTH OF FLOW IN 39.0 INCH PIPE IS 29.6 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 15.2 UPSTREAM NODE ELEVATION = 1687.00 DOWNSTREAM NODE ELEVATION = 1662.00 FLOWLENGTH(FEET) = 1320.00 MANNINGS N = .013 • ESTIMATED PIPE DIAMETER(INCH) = 39.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 102.57 TRAVEL TIME(MIN.) = 1.45 TC(MIN.) = 17.81 40 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 411.10 TO NODE 411.10 IS CODE = 1 » »>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< » »>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES« «< . CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: LIME OF CONCENTRATION(MINUTES) = 17.81 .INFALL INTENSITY (INCH. /HOUR) = 2.52 f.r'FECTIVE STREAM AREA(ACRES) = 55.00 • TOTAL STREAM AREA(ACRES) = 55.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 102.57 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 473.22 26.43 1.990 .58 373.50 2 102.57 17.81 2.522 .58 55.00 • RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. m SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE . NUMBER Q(CFS) AREA(ACRES) 1 547.65 428.50 2 541.87 306.59 41° COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 547.65 TIME(MINUTES) = 26.433 EFFECTIVE AREA(ACRES) = 428.50 TOTAL AREA(ACRES) = 428.50 * ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** • FLOW PROCESS FROM NODE 411.10 TO NODE 416.10 IS CODE = 5 • » »>COMPUTE TRAPEZOIDAL- CHANNEL FLOW« «< » »>TRAVELTIME THRU SUBAREA« «< UPSTREAM NODE ELEVATION = 1662.00 ' 41. DOWNSTREAM NODE ELEVATION = 1660.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 800.00 CHANNEL BASE(FEET) = 9.00 "Z" FACTOR = .000 MANNINGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 8.00 CHANNEL FLOW THRU SUBAREA(CFS) = 547.65 .,,, ,OW VELOCITY(FEET /SEC) = 9.48 FLOW DEPTH(FEET) = 6.42 RAVEL TIME(MIN.) = 1.41 TC(MIN.) = 27.84 . m******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 416.00 TO NODE 416.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.929 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 22.00 SUBAREA RUNOFF(CFS) = 26.67 • EFFECTIVE AREA(ACRES) = 450.50 AVERAGED Fm(INCH /HR) = .582 a. TOTAL AREA(ACRES) = 450.50 PEAK FLOW RATE(CFS) = 547.65 4 ' TC(MIN) = 27.84 k******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 416.10 TO NODE 417.10 IS CODE = 5 » »>COMPUTE TRAPEZOIDAL- CHANNEL FLOW« «< m » »>TRAVELTIME THRU SUBAREA« «< „, UPSTREAM NODE ELEVATION = 1660.00 nOWNSTREAM NODE ELEVATION = 1638.00 ' rANNEL LENGTH THRU SUBAREA(FEET) = 2000.00 .HANNEL BASE(FEET) = 9.00 "Z" FACTOR = .000 • MANNINGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 8.00 CHANNEL FLOW THRU SUBAREA(CFS) = 547.65 FLOW VELOCITY(FEET /SEC) = 16.57 FLOW DEPTH(FEET) = 3.67 TRAVEL TIME(MIN.) = 2.01 TC(MIN.) = 29.85 wow ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** vLOW PROCESS FROM NODE 417.00 TO NODE 417.10 IS CODE = 8 �r - >» »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.850 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) _ .5820 '4" SUBAREA AREA(ACRES) = 60.00 SUBAREA RUNOFF(CFS) = 68.46 EFFECTIVE AREA(ACRES) = 510.50 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 510.50 PEAK FLOW RATE(CFS) = 582.46 TC(MIN) = 29.85 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** - FLOW PROCESS FROM NODE 417.10 TO NODE 417.10 IS CODE = 1 m » »>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES« «< rnL CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: ` TIME OF CONCENTRATION(MINUTES) = 29.85 RAINFALL INTENSITY (INCH. /HOUR) = 1.85 EFFECTIVE STREAM AREA(ACRES) = 510.50 TOTAL STREAM AREA(ACRES) = 510.50 PEAK FLOW RATE(CFS) AT CONFLUENCE = 582.46 ^ ONFLUENCE INFORMATION: .. :'REAM PEAK FLOW TIME INTENSITY FM EFFECTIVE DUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 582.46 29.85 1.850 .58 510.50 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO 41 ' CONFLUENCE FORMULA USED FOR 1 STREAMS. SUMMARY RESULTS: - STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 582.46 510.50 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: m PEAK FLOW RATE(CFS) = 582.46 TIME(MINUTES) = 29.852 EFFECTIVE AREA(ACRES) = 510.50 m TOTAL AREA(ACRES) = 510.50 ar ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** `" FLOW PROCESS FROM NODE 417.10 TO NODE 417.10 IS CODE = 7 » »>USER SPECIFIED HYDROLOGY INFORMATION AT NODE « «< USER - SPECIFIED VALUES ARE AS FOLLOWS: m TC(MIN) = 21.09 RAIN INTENSITY(INCH /HOUR) = 2.28 EFFECTIVE AREA(ACRES) = 357.47 m TOTAL AREA(ACRES) = 374.00 PEAK FLOW RATE(CFS) = 579.97 "VERAGED LOSS RATE, Fm(IN /HR) _ .580 ,m :******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 417.10 TO NODE 417.10 IS CODE = 1 - » »>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< Am » »>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES« «< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: mIME OF CONCENTRATION(MINUTES) = 21.09 m DAINFALL INTENSITY (INCH. /HOUR) = 2.28 .-AFFECTIVE STREAM AREA(ACRES) = 357.47 -. TOTAL STREAM AREA(ACRES) = 374.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 579.97 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 582.46 29.85 1.850 .58 510.50 2 579.97 21.09 2.279 .58 357.47 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO ,,, CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: a STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 1015.98 867.97 2 1130.63 718.08 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 1130.63 TIME(MINUTES) = 21.087 EFFECTIVE AREA(ACRES) = 718.08 TOTAL AREA(ACRES) = 884.50 ********************************************* * * * * * * * * ** * * ** * ** * ** * * * * * * * * * ** FLOW PROCESS FROM NODE 417.10 TO NODE 426.10 IS CODE = 5 Alr %» »COMPUTE TRAPEZOIDAL- CHANNEL FLOW« «< m » »>TRAVELTIME THRU SUBAREA« «< "e UPSTREAM NODE ELEVATION = 1638.00 DOWNSTREAM NODE ELEVATION = 1629.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1320.00 CHANNEL BASE (FEET) = 9.50 "Z" FACTOR = .000 MANNINGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 9.00 CHANNEL FLOW THRU SUBAREA(CFS) = 1130.63 FLOW VELOCITY(FEET /SEC) = 16.47 FLOW DEPTH(FEET) = 7.22 - TRAVEL TIME(MIN.) = 1.34 TC(MIN.) = 22.42 * ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** - FLOW PROCESS FROM NODE 426.00 TO NODE 426.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 'I" 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.196 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) _ .5820 SUBAREA AREA(ACRES) = 42.00 SUBAREA RUNOFF(CFS) = 61.02 EFFECTIVE AREA(ACRES) = 760.08 .r AVERAGED Fm(INCH /HR) = .581 TOTAL AREA(ACRES) = 926.50 ... PEAK FLOW RATE(CFS) = 1130.63 mC(MIN) = 22.42 +******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 426.10 TO NODE 427.10 IS CODE = 5 » »> COMPUTE TRAPEZOIDAL- CHANNEL FLOW« «< » »>TRAVELTIME THRU SUBAREA« «< UPSTREAM NODE ELEVATION = 1629.00 DOWNSTREAM NODE ELEVATION = 1614.00 HANNEL LENGTH THRU SUBAREA(FEET) = 1320.00 HANNEL BASE(FEET) = 9.50 "Z" FACTOR = .000 • MANNINGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 9.00 CHANNEL FLOW THRU SUBAREA(CFS) = 1130.63 FLOW VELOCITY(FEET /SEC) = 20.09 FLOW DEPTH(FEET) = 5.92 TRAVEL TIME(MIN.) = 1.10 TC(MIN.) = 23.52 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 427.00 TO NODE 427.10 IS CODE = 8 • » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.134 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) _ .5820 SUBAREA AREA(ACRES) = 42.00 SUBAREA RUNOFF(CFS) = 58.68 .. EFFECTIVE AREA(ACRES) = 802.08 AVERAGED Fm(INCH /HR) = .581 TOTAL AREA(ACRES) = 968.50 PEAK FLOW RATE(CFS) = 1130.63 TC(MIN) = 23.52 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 427.10 TO NODE 428.10 IS CODE = 5 » »>COMPUTE TRAPEZOIDAL- CHANNEL FLOW« «< - >» >TRAVELTIME THRU SUBAREA« «< - UPSTREAM NODE ELEVATION = 1614.00 DOWNSTREAM NODE ELEVATION = 1597.00 °°* CHANNEL LENGTH THRU SUBAREA(FEET) = 1220.00 CHANNEL BASE(FEET) = 10.00 "Z" FACTOR = .000 MANNINGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 9.00 CHANNEL FLOW THRU SUBAREA(CFS) = 1130.63 `""' FLOW VELOCITY(FEET /SEC) = 21.80 FLOW DEPTH(FEET) = 5.19 TRAVEL TIME(MIN.) = .93 TC(MIN.) = 24.45 :******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 428.00 TO NODE 428.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 4 " 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.085 SOIL CLASSIFICATION IS "A" "" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 38.00 SUBAREA RUNOFF(CFS) = 51.41 EFFECTIVE AREA(ACRES) = 840.08 AVERAGED Fm(INCH /HR) = .581 TOTAL AREA(ACRES) = 1006.50 PEAK FLOW RATE(CFS) = 1137.09 TC(MIN) = 24.45 • ,***************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ;LOW PROCESS FROM NODE 428.10 TO NODE 428.10 IS CODE = 1 »» >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 24.45 RAINFALL INTENSITY (INCH. /HOUR) = 2.09 EFFECTIVE STREAM AREA(ACRES) = 840.08 TOTAL STREAM AREA(ACRES) = 1006.50 EAK FLOW RATE(CFS) AT CONFLUENCE = 1137.09 *****************************************:*** * * * * * * * * * ** * ** * * * * * * * * * * * * * **** • FLOW PROCESS FROM NODE 428.10 TO NODE 428.10 IS CODE = 7 - » »>USER SPECIFIED HYDROLOGY INFORMATION AT NODE « «< USER - SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 18.98 RAIN INTENSITY(INCH /HOUR) = 2.43 EFFECTIVE AREA(ACRES) = 255.27 • TOTAL AREA(ACRES) = 260.00 PEAK FLOW RATE(CFS) = 461.00 AVERAGED LOSS RATE, Fm(IN /HR) = .580 • ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 428.10 TO NODE 428.10 IS CODE = 1 » »>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< -4 » »>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES« «< ., CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 18.98 RAINFALL INTENSITY (INCH. /HOUR) = 2.43 EFFECTIVE STREAM AREA(ACRES) = 255.27 TOTAL STREAM AREA(ACRES) = 260.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 461.00 - )NFLUENCE INFORMATION: .,TREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE . NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) • 1 1137.09 24.45 2.085 .58 840.08 2 461.00 18.98 2.427 .58 255.27 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: - STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) • 1 1512.68 1095.35 2 1544.51 907.37 . COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 1544.51 TIME(MINUTES) = 18.979 'r' EFFECTIVE AREA(ACRES) = 907.37 TOTAL AREA(ACRES) = 1266.50 • ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 428.10 TO NODE 428.20 IS CODE = 5 • » »> COMPUTE TRAPEZOIDAL- CHANNEL FLOW« «< » »>TRAVELTIME THRU SUBAREA « «< TTPSTREAM NODE ELEVATION = 1597.00 .r )WNSTREAM NODE ELEVATION = 1536.00 ..iiANNEL LENGTH THRU SUBAREA(FEET) = 3800.00 - CHANNEL BASE (FEET) = 10.00 "Z" FACTOR = .000 MANNINGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 9.00 44 ' CHANNEL FLOW THRU SUBAREA(CFS) = 1544.51 FLOW VELOCITY(FEET /SEC) = 24.75 FLOW DEPTH(FEET) = 6.24 TRAVEL TIME(MIN.) = 2.56 TC(MIN.) = 21.54 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 0 LOW PROCESS FROM NODE 444.00 TO NODE 428.20 IS CODE = 8 • » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.250 SOIL CLASSIFICATION IS "A" • RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 156.00 SUBAREA RUNOFF(CFS) = 234.18 EFFECTIVE AREA(ACRES) = 1063.37 AVERAGED Fm(INCH /HR) = .581 *" TOTAL AREA(ACRES) = 1422.50 PEAK FLOW RATE(CFS) = 1597.23 TC(MIN) = 21.54 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 428.20 TO NODE 428.30 IS CODE = 5 »»> COMPUTE TRAPEZOIDAL- CHANNEL FLOW« «< » »>TRAVELTIME THRU SUBAREA« «< UPSTREAM NODE ELEVATION = 1536.00 DOWNSTREAM NODE ELEVATION = 1527.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 600.00 CHANNEL BASE(FEET) = 10.00 "Z" FACTOR = .000 MANNINGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 9.00 CHANNEL FLOW THRU SUBAREA(CFS) = 1597.23 PLOW VELOCITY(FEET /SEC) = 24.36 FLOW DEPTH(FEET) = 6.56 RAVEL TIME(MIN.) = .41 TC(MIN.) = 21.95 * ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** - FLOW PROCESS FROM NODE 428.30 TO NODE 428.30 IS CODE = 1 • » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< » »>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES « «< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 21.95 RAINFALL INTENSITY (INCH. /HOUR) = 2.22 EFFECTIVE STREAM AREA(ACRES) = 1063.37 TOTAL STREAM AREA(ACRES) = 1422.50 PEAK FLOW RATE(CFS) AT CONFLUENCE = 1597.23 CONFLUENCE INFORMATION: all STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 1597.23 21.95 2.225 .58 1063.37 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO 44 " CONFLUENCE FORMULA USED FOR 1 STREAMS. 0 SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) +w 1 1597.23 1063.37 .OMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: - PEAK FLOW RATE(CFS) = 1597.23 TIME(MINUTES) = 21.948 EFFECTIVE AREA(ACRES) = 1063.37 - TOTAL AREA(ACRES) = 1422.50 END OF STUDY SUMMARY: 00 TOTAL AREA(ACRES) = 1422.50 EFFECTIVE AREA(ACRES) = 1063.37 PEAK FLOW RATE(CFS) = 1597.23 END OF RATIONAL METHOD ANALYSIS 00 0 .********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE (Reference: 1986 SAN BERNARDINO CO. HYDROLOGY CRITERION) Copyright 1983,86,87 Advanced Engineering Software (aes) Ver. 4.1C Release Date: 5/11/87 Serial # I00908 Especially prepared for: HALL & FOREMAN : * * * * * * * * * * * * * * * * * * * * * ** DESCRIPTION OF STUDY * * * * * * * * * * * * * * * * * * * * * * * * ** * N.FONTANA MASTER S.D , LATERAL LINE 83 Q 100 YR, DESIGN Q a 0 r awr ******************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FILE NAME: C: \TEMP \LINEB1.100 • ?ME /DATE OF STUDY: 11:59 4/21/1989 • USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: -- *TIME -OF- CONCENTRATION MODEL*- - . USER SPECIFIED STORM EVENT(YEAR) = 100.00 4. SPECIFIED MINIMUM PIPE SIZE(INCH) = 18.00 SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE = .95 *USER- DEFINED LOGARITHMIC INTERPOLATION USED FOR RAINFALL* -«Y 10 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.050 100 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.530 •. COMPUTED RAINFALL INTENSITY DATA: STORM EVENT = 100.00 1 -HOUR INTENSITY(INCH /HOUR) = 1.5300 . SLOPE OF INTENSITY DURATION CURVE = .6000 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** • FLOW PROCESS FROM NODE 412.00 TO NODE 412.10 IS CODE = 2 °' » » >RATIONAL METHOD INITIAL SUBAREA ANALYSIS ««< 1 " DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 3 -4 DWELLINGS /ACRE TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 - INITIAL SUBAREA FLOW - LENGTH = 1000.00 - 'STREAM ELEVATION = 1815.00 - .WNSTREAM ELEVATION = 1801.00 ELEVATION DIFFERENCE = 14.00 TC = .412 *[( 1000.00 ** 3.00)/( 14.00)] ** .20 = 15.335 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.469 • SOIL CLASSIFICATION IS "A" - RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA RUNOFF(CFS) = 25.98 - TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 25.98 ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** - FLOW PROCESS FROM NODE 412.10 TO NODE 412.11 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< . » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) «« < ..DEPTH OF FLOW IN 24.0 INCH PIPE IS 15.3 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 12.3 UPSTREAM NODE ELEVATION = 1801.00 DOWNSTREAM NODE ELEVATION = 1792.00 FLOWLENGTH(FEET) = 350.00 MANNINGS N = .013 ✓ ESTIMATED PIPE DIAMETER(INCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 25.98 • TRAVEL TIME(MIN.) = .47 TC(MIN.) = 15.81 ar *. ***************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** " ��OW PROCESS FROM NODE 412.20 TO NODE 412.11 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « yr 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.406 SOIL CLASSIFICATION IS "A" • RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 25.42 m "FECTIVE AREA(ACRES) = 20.00 ERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 20.00 „ PEAK FLOW RATE(CFS) = 50.83 TC(MIN) = 15.81 t******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 412.11 TO NODE 413.10 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.) = 15.4 UPSTREAM NODE ELEVATION = 1792.00 • DOWNSTREAM NODE ELEVATION = 1780.00 FLOWLENGTH(FEET) = 375.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 27.00 NUMBER OF PIPES = 1 - PIPEFLOW THRU SUBAREA(CFS) = 50.83 TRAVEL TIME(MIN.) _ .40 TC(MIN.) = 16.21 ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 413.00 TO NODE 413.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< - -00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.355 SOIL CLASSIFICATION IS "A" - RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 12.00 SUBAREA RUNOFF(CFS) = 29.95 • EFFECTIVE AREA(ACRES) = 32.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 32.00 w.. PEAK FLOW RATE(CFS) = 79.85 TC(MIN) = 16.21 !!******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 413.10 TO NODE 414.10 IS CODE = 3 m » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 33.0 INCH PIPE IS 25.8 INCHES m PIPEFLOW VELOCITY(FEET /SEC.) = 16.0 UPSTREAM NODE ELEVATION = 1780.00 • DOWNSTREAM NODE ELEVATION = 1755.00 m FLOWLENGTH(FEET) = 950.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 33.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 79.85 TRAVEL TIME(MIN.) = .99 TC(MIN.) = 17.20 "*,..***************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** m FLOW PROCESS FROM NODE 414.00 TO NODE 414.10 IS CODE = 8 • » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< mr 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.238 . SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 41. "TBAREA AREA(ACRES) = 22.00 SUBAREA RUNOFF(CFS) = 52.58 FECTIVE AREA(ACRES) = 54.00 "" AVERAGED Fm(INCH /HR) = .582 mg TOTAL AREA(ACRES) = 54.00 PEAK FLOW RATE(CFS) = 129.07 ,M, TC(MIN) = 17.20 ar ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** " FLOW PROCESS FROM NODE 414.10 TO NODE 418.10 IS CODE = 3 a » »COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< • » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< mo DEPTH OF FLOW IN 45.0 INCH PIPE IS 34.6 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 14.2 "" UPSTREAM NODE ELEVATION = 1755.00 DOWNSTREAM NODE ELEVATION = 1752.00 FLOWLENGTH(FEET) = 220.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 45.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 129.07 4+ TRAVEL TIME(MIN.) = .26 TC(MIN.) = 17.46 :******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** a FLOW PROCESS FROM NODE 418.00 TO NODE 418.10 IS CODE = 8 »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.209 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 23.64 EFFECTIVE AREA(ACRES) = 64.00 - AVERAGED Fm(INCH/HR) _ .582 ... TOTAL AREA(ACRES) = 64.00 PEAK FLOW RATE(CFS) = 151.31 TC(MIN) = 17.46 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 418.10 TO NODE 419.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< .► »» >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< 4 " DEPTH OF FLOW IN 51.0 INCH PIPE IS 38.5 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 13.2 "" UPSTREAM NODE ELEVATION = 1752.00 ,, DOWNSTREAM NODE ELEVATION = 1750.00 FLOWLENGTH(FEET) = 200.00 MANNINGS N = .013 . ESTIMATED PIPE DIAMETER(INCH) = 51.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 151.31 d' TRAVEL TIME(MIN.) = .25 TC(MIN.) = 17.71 ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 419.00 TO NODE 419.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 7. 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.181 SOIL CLASSIFICATION IS "A" ?SIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 JBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 23.39 EFFECTIVE AREA(ACRES) = 74.00 ,, AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 74.00 A PEAK FLOW RATE(CFS) = 173.11 TC(MIN) = 17.71 14, ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 40 FLOW PROCESS FROM NODE 419.10 TO NODE 420.10 IS CODE = 3 y., » » >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 VELOCITY(FEET /SEC.) = 14.3 UPSTREAM NODE ELEVATION = 1750.00 DOWNSTREAM NODE ELEVATION = 1745.00 FLOWLENGTH(FEET) = 430.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 51.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 173.11 TRAVEL TIME(MIN.) = .50 TC(MIN.) = 18.22 "******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 419.50 TO NODE 420.10 IS CODE = 8 • • » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< • 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.128 SOIL CLASSIFICATION IS "A" • RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 45.83 EFFECTIVE AREA(ACRES) = 94.00 ... AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 94.00 • PEAK FLOW RATE(CFS) = 215.42 TC(MIN) = 18.22 *-******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ,w FLOW PROCESS FROM NODE 420.10 TO NODE 420.20 IS CODE = 3 • » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »» >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 60.0 INCH PIPE IS 46.6 INCHES *6 PIPEFLOW VELOCITY(FEET /SEC.) = 13.2 w UPSTREAM NODE ELEVATION = 1745.00 DOWNSTREAM NODE ELEVATION = 1741.00 • FLOWLENGTH(FEET) = 500.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 60.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 215.42 AVEL TIME(MIN.) = .63 TC(MIN.) = 18.85 ** ******************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** . FLOW PROCESS FROM NODE 420.00 TO NODE 420.20 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.065 "' ')IL CLASSIFICATION IS "A" _SIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 ' SUBAREA AREA(ACRES) = 23.00 SUBAREA RUNOFF(CFS) = 51.39 4 ,, EFFECTIVE AREA(ACRES) = 117.00 AVERAGED Fm(INCH /HR) = .582 . TOTAL AREA(ACRES) = 117.00 PEAK FLOW RATE(CFS) = 261.44 TC(MIN) = 18.85 ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 420.20 TO NODE 421.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< • » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< *' DEPTH OF FLOW IN 60.0 INCH PIPE IS 46.5 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 16.0 UPSTREAM NODE ELEVATION = 1741.00 DOWNSTREAM NODE ELEVATION = 1725.00 FLOWLENGTH(FEET) = 1350.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 60.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 261.44 - TRAVEL TIME(MIN.) = 1.41 TC(MIN.) = 20.25 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** - ,OW PROCESS FROM NODE 421.00 TO NODE 421.20 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.935 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) _ .5820 SUBAREA AREA(ACRES) = 62.00 SUBAREA RUNOFF(CFS) = 131.32 ... EFFECTIVE AREA(ACRES) = 179.00 AVERAGED Fm(INCH/HR) = .582 - TOTAL AREA(ACRES) = 179.00 PEAK FLOW RATE(CFS) = 379.13 TC(MIN) = 20.25 ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 421.10 TO NODE 421.20 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< wr 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.935 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 42.36 . EFFECTIVE AREA(ACRES) = 199.00 AVERAGED Fm(INCH /HR) _ .582 ' TOTAL AREA(ACRES) = 199.00 AK FLOW RATE(CFS) = 421.49 (MIN) = 20.25 ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** me FLOW PROCESS FROM NODE 421.20 TO NODE 425.10 IS CODE = 3 * » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< JPTH OF FLOW IN 63.0 INCH PIPE IS 48.6 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 23.5 a UPSTREAM NODE ELEVATION = 1725.00 DOWNSTREAM NODE ELEVATION = 1677.00 FLOWLENGTH(FEET) = 2000.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 63.00 NUMBER OF PIPES = 1 Aso PIPEFLOW THRU SUBAREA(CFS) = 421.49 TRAVEL TIME(MIN.) = 1.42 TC(MIN.) = 21.67 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** • FLOW PROCESS FROM NODE 425.10 TO NODE 425.10 IS CODE = 1 .. » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE ««< '"" CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 21.67 RAINFALL INTENSITY (INCH. /HOUR) = 2.82 EFFECTIVE STREAM AREA(ACRES) = 199.00 TOTAL STREAM AREA(ACRES) = 199.00 #• PEAK FLOW RATE(CFS) AT CONFLUENCE = 421.49 c******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** • FLOW PROCESS FROM NODE 422.00 TO NODE 422.11 IS CODE = 2 - » >RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 3 -4 DWELLINGS /ACRE TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 "' INITIAL SUBAREA FLOW - LENGTH = 1000.00 UPSTREAM ELEVATION = 1755.00 - DOWNSTREAM ELEVATION = 1720.00 ELEVATION DIFFERENCE = 35.00 TC = .412 *[( 1000.00 ** 3.00)/( 35.00)] ** .20 = 12.767 - 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.872 SOIL CLASSIFICATION IS "A" - RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA RUNOFF(CFS) = 14.80 o TOTAL AREA(ACRES) = 5.00 PEAK FLOW RATE(CFS) = 14.80 ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 422.11 TO NODE 422.12 IS CODE = 3 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 18.0 INCH PIPE IS 12.2 INCHES ,A, PIPEFLOW VELOCITY(FEET /SEC.) = 11.6 UPSTREAM NODE ELEVATION = 1720.00 * DOWNSTREAM NODE ELEVATION = 1686.00 OWLENGTH(FEET) = 1050.00 MANNINGS N = .013 • ..,,,TIMATED PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 14.80 TRAVEL TIME(MIN.) = 1.51 TC(MIN.) = 14.28 * ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 422.10 TO NODE 422.12 IS CODE = 8 "" " > »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « '"" 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.621 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 • SUBAREA AREA(ACRES) = 5.00 SUBAREA RUNOFF(CFS) = 13.67 EFFECTIVE AREA(ACRES) = 10.00 4" AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 10.00 "" PEAK FLOW RATE(CFS) = 27.35 TC(MIN) = 14.28 t******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 'rr FLOW PROCESS FROM NODE 422.12 TO NODE 423.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) «« < DEPTH OF FLOW IN 33.0 INCH PIPE IS 23.1 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 6.1 r UPSTREAM NODE ELEVATION = 1686.00 DOWNSTREAM NODE ELEVATION = 1685.00 • FLOWLENGTH(FEET) = 250.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 33.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 27.35 TRAVEL TIME(MIN.) = .68 TC(MIN.) = 14.95 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** - FLOW PROCESS FROM NODE 422.20 TO NODE 423.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.521 . SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 - SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 26.46 EFFECTIVE AREA(ACRES) = 20.00 ' AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 20.00 • PEAK FLOW RATE(CFS) = 52.91 0 TC(MIN) = 14.95 ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 4 ' FLOW PROCESS FROM NODE 423.10 TO NODE 423.20 IS CODE = 3 • »» >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< .,. DEPTH OF FLOW IN 45.0 INCH PIPE IS 34.0 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 5.9 UPSTREAM NODE ELEVATION = 1685.00 WNSTREAM NODE ELEVATION = 1684.00 ' ..�OWLENGTH(FEET) = 420.00 MANNINGS N = .013 le ESTIMATED PIPE DIAMETER(INCH) = 45.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 52.91 .. TRAVEL TIME(MIN.) = 1.18 TC(MIN.) = 16.14 r ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 423.00 TO NODE 423.20 IS CODE = 8 »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « ,,,, 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.364 SOIL CLASSIFICATION IS "A" ,,. RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 50.08 • EFFECTIVE AREA(ACRES) = 40.00 AVERAGED Fm(INCH /HR) _ .582 • TOTAL AREA(ACRES) = 40.00 PEAK FLOW RATE(CFS) = 100.15 TC(MIN) = 16.14 a******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 423.20 TO NODE 424.10 IS CODE = 3 » »> COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< > »USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 60.0 INCH PIPE IS 43.8 INCHES • PIPEFLOW VELOCITY(FEET /SEC.) = 6.5 UPSTREAM NODE ELEVATION = 1684.00 - DOWNSTREAM NODE ELEVATION = 1683.00 FLOWLENGTH(FEET) = 500.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 60.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 100.15 'AVEL TIME(MIN.) = 1.28 TC(MIN.) = 17.42 .******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 424.00 TO NODE 424.10 IS CODE = 8 - > »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 0. 100 YEAR RAINFALL INTENSITY(INCH /HOUR) 3.214 SOIL CLASSIFICATION IS "A" - RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 23.00 SUBAREA RUNOFF(CFS) = 54.48 - EFFECTIVE AREA(ACRES) = 63.00 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 63.00 PEAK FLOW RATE(CFS) = 149.22 TC(MIN) = 17.42 " `******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 424.10 TO NODE 425.10 IS CODE = 3 a > »COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< » > USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) «« < DEPTH OF FLOW IN 60.0 INCH PIPE IS 44.1 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 9.6 STREAM NODE ELEVATION = 1683.00 • LJWNSTREAM NODE ELEVATION = 1677.00 a FLOWLENGTH(FEET) = 1380.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 60.00 NUMBER OF PIPES = 1 ** PIPEFLOW THRU SUBAREA(CFS) = 149.22 err TRAVEL TIME(MIN.) = 2.39 TC(MIN.) = 19.80 ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** • `,OW PROCESS FROM NODE 425.00 TO NODE 425.10 IS CODE = 8 • » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 4r 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.975 . SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 ' 414 SUBAREA AREA(ACRES) = 62.00 SUBAREA RUNOFF(CFS) = 133.55 EFFECTIVE AREA(ACRES) = 125.00 "' AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 125.00 PEAK FLOW RATE(CFS) = 269.26 TC(MIN) = 19.80 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** '°" FLOW PROCESS FROM NODE 429.00 TO NODE 425.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.975 40 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 • SUBAREA AREA(ACRES) = 50.00 SUBAREA RUNOFF(CFS) = 107.70 EFFECTIVE AREA(ACRES) = 175.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 175.00 'AK FLOW RATE(CFS) = 376.96 • (MIN) = 19.80 :******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** - FLOW PROCESS FROM NODE 425.10 TO NODE 425.10 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(MINUTES) = 19.80 • RAINFALL INTENSITY (INCH. /HOUR) = 2.98 EFFECTIVE STREAM AREA(ACRES) = 175.00 TOTAL STREAM AREA(ACRES) = 175.00 as PEAK FLOW RATE(CFS) AT CONFLUENCE = 376.96 - CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) • 1 421.49 21.67 2.819 .58 199.00 .w 2 376.96 19.80 2.975 .58 175.00 •. RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: REAM CONFLUENCE EFFECTIVE • ,.JMBER Q(CFS) AREA(ACRES) 1 773.77 374.00 . 2 789.09 356.84 • COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 789.09 TIME(MINUTES) = 19.803 • EFFECTIVE AREA(ACRES) = 356.84 TOTAL AREA(ACRES) = 374.00 ^ m ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 425.10 TO NODE 417.10 IS CODE = 3 » »> COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 75.0 INCH PIPE IS 61.3 INCHES "" PIPEFLOW VELOCITY(FEET /SEC.) = 29.4 UPSTREAM NODE ELEVATION = 1677.00 DOWNSTREAM NODE ELEVATION = 1638.00 • FLOWLENGTH(FEET) = 1320.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 75.00 NUMBER OF PIPES = 1 40 PIPEFLOW THRU SUBAREA(CFS) = 789.09 TRAVEL TIME(MIN.) = .75 TC(MIN.) = 20.55 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 417.10 TO NODE 417.10 IS CODE = 1 • » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « « < » » >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES « CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 20.55 RAINFALL INTENSITY (INCH. /HOUR) = 2.91 - FECTIVE STREAM AREA(ACRES) = 356.84 )TAL STREAM AREA(ACRES) = 374.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 789.09 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) • 1 789.09 20.55 2.910 .58 356.84 - RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 1 STREAMS. - SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE - NUMBER Q(CFS) AREA(ACRES) per 1 789.09 356.84 . COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 789.09 TIME(MINUTES) = 20.551 s EFFECTIVE AREA(ACRES) = 356.84 TOTAL AREA(ACRES) = 374.00 • END OF STUDY SUMMARY: TOTAL AREA(ACRES) = 374.00 EFFECTIVE AREA(ACRES) = 356.84 PEAK FLOW RATE(CFS) = 789.09 D OF RATIONAL METHOD ANALYSIS „******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE (Reference: 1986 SAN BERNARDINO CO. HYDROLOGY CRITERION) Copyright 1983,86,87 Advanced Engineering Software (aes) Ver. 4.1C Release Date: 5/11/87 Serial # I00908 Especially prepared for: HALL & FOREMAN * * * * * * * * * * * * * * * * * * * * * * * * ** DESCRIPTION OF STUDY * * * * * * * * * * * * * * * * * * * * * * * * ** 0* N.FONTANA MASTER S . D PLAN, LINE 63 (SEE pc..A N PP-APh L e RI Posts P"--83`")* * Q 25.. vR, DATA FOR LINEB ° " w ic VENKr. , JN 3547, 4/21/89 ******************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** • FILE NAME: C: \TEMP \LINEB1.25 - TIME /DATE OF STUDY: 12: 2 4/21/1989 USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: -- *TIME -OF- CONCENTRATION MODEL*- - USER SPECIFIED STORM EVENT(YEAR) = 25.00 SPECIFIED MINIMUM PIPE SIZE(INCH) = 18.00 ,,, SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE = .95 *USER- DEFINED LOGARITHMIC INTERPOLATION USED FOR RAINFALL* 4 10 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.050 100 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.530 • COMPUTED RAINFALL INTENSITY DATA: STORM EVENT = 25.00 1 -HOUR INTENSITY(INCH /HOUR) = 1.2167 SLOPE OF INTENSITY DURATION CURVE = .6000 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** " FLOW PROCESS FROM NODE 412.00 TO NODE 412.10 IS CODE = 2 » » > RATIONAL METHOD INITIAL SUBAREA ANALYSIS ««< DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 3 -4 DWELLINGS /ACRE TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW- LENGTH = 1000.00 UPSTREAM ELEVATION = 1815.00 • DOWNSTREAM ELEVATION = 1801.00 ELEVATION DIFFERENCE = 14.00 TC = .412 *[( 1000.00 ** 3.00)/( 14.00)] ** .20 = 15.335 .r 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.759 SOIL CLASSIFICATION IS "A" • RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA RUNOFF(CFS) = 19.59 TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 19.59 • ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 412.10 TO NODE 412.11 IS CODE = 3 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< >» »USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< _ ,PTH OF FLOW IN 21.0 INCH PIPE IS 14.1 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 11.4 UPSTREAM NODE ELEVATION = 1801.00 °°- DOWNSTREAM NODE ELEVATION = 1792.00 • FLOWLENGTH(FEET) = 350.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 21.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 19.59 TRAVEL TIME(MIN.) = .51 TC(MIN.) = 15.85 4 , 0 FLOW PROCESS FROM NODE 412.20 TO NODE 412.11 IS CODE = 8 • >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 14° 25 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.705 SOIL CLASSIFICATION IS "A" RESIDENTIAL-> 3-4 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 4 , SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 19.11 EFFECTIVE AREA(ACRES) = 20.00 . AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 20.00 le PEAK FLOW RATE(CFS) = 38.21 TC(MIN) = 15.85 **************************************************************************** • FLOW PROCESS FROM NODE 412.11 TO NODE 413.10 IS CODE = 3 • >»»COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< >»»USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)««< 'mft DEPTH OF FLOW IN 24.0 INCH PIPE IS 19.0 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 14.3 UPSTREAM NODE ELEVATION = 1792.00 'WNSTREAM NODE ELEVATION = 1780.00 _,OWLENGTH(FEET) = 375.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 38.21 TRAVEL TIME(MIN.) = .44 TC(MIN.) = 16.28 *************************************************************************** FLOW PROCESS FROM NODE 413.00 TO NODE 413.10 IS CODE = 8 >»»ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< • 25 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.661 SOIL CLASSIFICATION IS "A" RESIDENTIAL-> 3-4 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA AREA(ACRES) = 12.00 SUBAREA RUNOFF(CFS) = 22.45 EFFECTIVE AREA(ACRES) = 32.00 • AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 32.00 4. PEAK FLOW RATE(CFS) = 59.88 TC(MIN) = 16.28 **************************************************************************** im FLOW PROCESS FROM NODE 413.10 TO NODE 414.10 IS CODE = 3 • >»»COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA«<« >>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)««< air DEPTH OF FLOW IN 30.0 INCH PIPE IS 22.7 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 15.0 • UPSTREAM NODE ELEVATION = 1780.00 :r DOWNSTREAM NODE ELEVATION = 1755.00 FLOWLENGTH(FEET) = 950.00 MANNINGS N = .013 °0% ESTIMATED PIPE DIAMETER(INCH) = 30.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 59.88 `',AVEL TIME(MIN.) = 1.06 TC(MIN.) = 17.34 ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 414.00 TO NODE 414.10 IS CODE = 8 » »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW «« < 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.563 SOIL CLASSIFICATION IS "A" • RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) _ .5820 SUBAREA AREA(ACRES) = 22.00 SUBAREA RUNOFF(CFS) = 39.22 - EFFECTIVE AREA(ACRES) = 54.00 AVERAGED Fm(INCH /HR) _ .582 " TOTAL AREA(ACRES) = 54.00 PEAK FLOW RATE(CFS) = 96.26 - TC(MIN) = 17.34 ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 414.10 TO NODE 418.10 IS CODE = 3 » »COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< • » »USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 42.0 INCH PIPE IS 29.5 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 13.3 - )STREAM NODE ELEVATION = 1755.00 • JWNSTREAM NODE ELEVATION = 1752.00 FLOWLENGTH(FEET) = 220.00 MANNINGS N = .013 - ESTIMATED PIPE DIAMETER(INCH) = 42.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 96.26 TRAVEL TIME(MIN.) = .27 TC(MIN.) = 17.61 ..******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 418.00 TO NODE 418.10 IS CODE = 8 » »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.539 SOIL CLASSIFICATION IS "A" «a' RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 17.61 "" EFFECTIVE AREA(ACRES) = 64.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 64.00 PEAK FLOW RATE(CFS) = 112.70 TC(MIN) = 17.61 .******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 418.10 TO NODE 419.10 IS CODE = 3 »COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA ««< . »USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « « < DEPTH OF FLOW IN 45.0 INCH PIPE IS 35.2 INCHES - PIPEFLOW VELOCITY(FEET /SEC.) = 12.2 ;w , UPSTREAM NODE ELEVATION = 1752.00 DOWNSTREAM NODE ELEVATION = 1750.00 • FLOWLENGTH(FEET) = 200.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 45.00 NUMBER OF PIPES = 1 'PEFLOW THRU SUBAREA(CFS) = 112.70 .AVEL TIME(MIN.) = .27 TC(MIN.) = 17.89 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** - FLOW PROCESS FROM NODE 419.00 TO NODE 419.10 IS CODE = 8 • » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< • 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.515 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 -., SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 17.40 EFFECTIVE AREA(ACRES) = 74.00 A# AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 74.00 - PEAK FLOW RATE(CFS) = 128.75 TC(MIN) = 17.89 c ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** * FLOW PROCESS FROM NODE 419.10 TO NODE 420.10 IS CODE = 3 - » »COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA ««< » »> USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< - DEPTH OF FLOW IN 48.0 INCH PIPE IS 34.1 INCHES "PEFLOW VELOCITY(FEET /SEC.) = 13.5 JSTREAM NODE ELEVATION = 1750.00 DOWNSTREAM NODE ELEVATION = 1745.00 FLOWLENGTH(FEET) = 430.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 48.00 NUMBER OF PIPES = 1 • PIPEFLOW THRU SUBAREA(CFS) = 128.75 TRAVEL TIME(MIN.) = .53 TC(MIN.) = 18.42 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 419.50 TO NODE 420.10 IS CODE = 8 • » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< • 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.471 • SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 . SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 34.01 EFFECTIVE AREA(ACRES) = 94.00 4 ' AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 94.00 PEAK FLOW RATE(CFS) = 159.84 TC(MIN) = 18.42 ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 41 FLOW PROCESS FROM NODE 420.10 TO NODE 420.20 IS CODE = 3 • > »COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< • » »USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< - DEPTH OF FLOW IN 54.0 INCH PIPE IS 41.3 INCHES .r PIPEFLOW VELOCITY(FEET /SEC.) = 12.2 UPSTREAM NODE ELEVATION = 1745.00 • DOWNSTREAM NODE ELEVATION = 1741.00 FLOWLENGTH(FEET) = 500.00 MANNINGS N = .013 "STIMATED PIPE DIAMETER(INCH) = 54.00 NUMBER OF PIPES = 1 :PEFLOW THRU SUBAREA(CFS) = 159.84 TRAVEL TIME(MIN.) = .68 TC(MIN.) = 19.10 ..********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 420.00 TO NODE 420.20 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< m 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.418 SOIL CLASSIFICATION IS "A" • RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 23.00 SUBAREA RUNOFF(CFS) = 38.01 4 ' EFFECTIVE AREA(ACRES) = 117.00 AVERAGED Fm(INCH/HR) = .582 "" TOTAL AREA(ACRES) = 117.00 PEAK FLOW RATE(CFS) = 193.35 TC(MIN) = 19.10 r******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 420.20 TO NODE 421.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA ««< » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW)< < < "PTH OF FLOW IN 54.0 INCH PIPE IS 41.1 INCHES - _PEFLOW VELOCITY(FEET /SEC.) = 14.9 UPSTREAM NODE ELEVATION = 1741.00 - DOWNSTREAM NODE ELEVATION = 1725.00 FLOWLENGTH(FEET) = 1350.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 54.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 193.35 TRAVEL TIME(MIN.) = 1.51 TC(MIN.) = 20.61 .********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 421.00 TO NODE 421.20 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< m 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.310 SOIL CLASSIFICATION IS "A" • RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 62.00 SUBAREA RUNOFF(CFS) = 96.43 EFFECTIVE AREA(ACRES) = 179.00 AVERAGED Fm(INCH /HR) = .582 • TOTAL AREA(ACRES) = 179.00 r PEAK FLOW RATE(CFS) = 278.41 TC(MIN) = 20.61 4 4******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** OW PROCESS FROM NODE 421.10 TO NODE 421.20 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< - 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.310 m' SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 '"" SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 31.11 EFFECTIVE AREA(ACRES) = 199.00 'ERAGED Fm(INCH/HR) = .582 )TAL AREA(ACRES) = 199.00 PEAK FLOW RATE(CFS) = 309.52 w TC(MIN) = 20.61 k******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** err FLOW PROCESS FROM NODE 421.20 TO NODE 425.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< air » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< m DEPTH OF FLOW IN 57.0 INCH PIPE IS 42.4 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 21.9 '"" UPSTREAM NODE ELEVATION = 1725.00 DOWNSTREAM NODE ELEVATION = 1677.00 FLOWLENGTH(FEET) = 2000.00 MANNINGS N = .013 . ESTIMATED PIPE DIAMETER(INCH) = 57.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 309.52 - TRAVEL TIME(MIN.) = 1.52 TC(MIN.) = 22.13 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** • FLOW PROCESS FROM NODE 425.10 TO NODE 425.10 IS CODE = 1 » »>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE« «< `NFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: - -ME OF CONCENTRATION(MINUTES) = 22.13 RAINFALL INTENSITY (INCH. /HOUR) = 2.21 "" EFFECTIVE STREAM AREA(ACRES) = 199.00 TOTAL STREAM AREA(ACRES) = 199.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 309.52 ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 422.00 TO NODE 422.11 IS CODE = 2 »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS « «< DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 3 -4 DWELLINGS /ACRE m TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW - LENGTH = 1000.00 1 "' UPSTREAM ELEVATION = 1755.00 DOWNSTREAM ELEVATION = 1720.00 ELEVATION DIFFERENCE = 35.00 TC = .412 *[( 1000.00 ** 3.00)/( 35.00)] ** .20 = 12.767 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.079 r SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 "+ SUBAREA RUNOFF(CFS) = 11.24 TOTAL AREA(ACRES) = 5.00 PEAK FLOW RATE(CFS) = 11.24 4. *..,***************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ar FLOW PROCESS FROM NODE 422.11 TO NODE 422.12 IS CODE = 3 • » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« m » »USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) «« < mm ESTIMATED PIPE DIAMETER(INCH) INCREASED TO 18.000 DEPTH OF FLOW IN 18.0 INCH PIPE IS 10.2 INCHES TPEFLOW VELOCITY(FEET /SEC.) = 10.9 , STREAM NODE ELEVATION = 1720.00 DOWNSTREAM NODE ELEVATION = 1686.00 m FLOWLENGTH(FEET) = 1050.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 11.24 TRAVEL TIME(MIN.) = 1.60 TC(MIN.) = 14.37 v ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ,ter FLOW PROCESS FROM NODE 422.10 TO NODE 422.12 IS CODE = 8 » »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< .**" 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.869 SOIL CLASSIFICATION IS "A" • RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) _ .5820 SUBAREA AREA(ACRES) = 5.00 SUBAREA RUNOFF(CFS) = 10.29 EFFECTIVE AREA(ACRES) = 10.00 - AVERAGED Fm(INCH /HR) _ .582 TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 20.58 TC(MIN) = 14.37 ********************************************************************k*k*****- FLOW PROCESS FROM NODE 422.12 TO NODE 423.10 IS CODE = 3 - »COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< > »USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 30.0 INCH PIPE IS 20.6 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 5.7 UPSTREAM NODE ELEVATION = 1686.00 DOWNSTREAM NODE ELEVATION = 1685.00 - FLOWLENGTH(FEET) = 250.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 30.00 NUMBER OF PIPES = 1 - PIPEFLOW THRU SUBAREA(CFS) = 20.58 TRAVEL TIME(MIN.) = .73 TC(MIN.) = 15.09 ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** m FLOW PROCESS FROM NODE 422.20 TO NODE 423.10 IS CODE = 8 • » »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« « < 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.785 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 m SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 19.83 EFFECTIVE AREA(ACRES) = 20.00 *■ AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 39.65 (MIN) = 15.09 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** m FLOW PROCESS FROM NODE 423.10 TO NODE 423.20 IS CODE = 3 >>>>>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< • >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)««< 411, 7PTH OF FLOW IN 42.0 INCH PIPE IS 29.2 INCHES _PEFLOW VELOCITY(FEET/SEC.) = 5.6 UPSTREAM NODE ELEVATION = 1685.00 DOWNSTREAM NODE ELEVATION = 1684.00 FLOWLENGTH(FEET) = 420.00 MANNINGS N = .013 • ESTIMATED PIPE DIAMETER(INCH) = 42.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 39.65 4 " TRAVEL TIME(MIN.) = 1.26 TC(MIN.) = 16.35 m*************************************************************************** FLOW PROCESS FROM NODE 423.00 TO NODE 423.20 IS CODE = 8 >»»ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< itt 25 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.654 4 " SOIL CLASSIFICATION IS "A" RESIDENTIAL-> 3-4 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 37.30 - EFFECTIVE AREA(ACRES) = 40.00 AVERAGED Fm(INCH/HR) = .582 - TOTAL AREA(ACRES) = 40.00 PEAK FLOW RATE(CFS) = 74.60 - TC(MIN) = 16.35 **************************************************************************** "OW PROCESS FROM NODE 423.20 TO NODE 424.10 IS CODE = 3 >»»COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< - >»»USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)««< DEPTH OF FLOW IN 54.0 INCH PIPE IS 39.0 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 6.1 UPSTREAM NODE ELEVATION = 1684.00 - DOWNSTREAM NODE ELEVATION = 1683.00 FLOWLENGTH(FEET) = 500.00 MANNINGS N = .013 - ESTIMATED PIPE DIAMETER(INCH) = 54.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 74.60 - TRAVEL TIME(MIN.) = 1.37 TC(MIN.) = 17.72 40*************************************************************************** FLOW PROCESS FROM NODE 424.00 TO NODE 424.10 IS CODE = 8 >»»ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<«« 25 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.529 • SOIL CLASSIFICATION IS "A" RESIDENTIAL-> 3-4 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA AREA(ACRES) = 23.00 SUBAREA RUNOFF(CFS) = 40.30 EFFECTIVE AREA(ACRES) = 63.00 AVERAGED Fm(INCH/HR) = .582 41 TOTAL AREA(ACRES) = 63.00 AK FLOW RATE(CFS) = 110.40 _2(MIN) = 17.72 040 A*************************************************************************** .w FLOW PROCESS FROM NODE 424.10 TO NODE 425.10 IS CODE = 3 » »> COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « « < ,PTH OF FLOW IN 54.0 INCH PIPE IS 39.1 INCHES - PIPEFLOW VELOCITY(FEET /SEC.) = 9.0 . UPSTREAM NODE ELEVATION = 1683.00 DOWNSTREAM NODE ELEVATION = 1677.00 FLOWLENGTH(FEET) = 1380.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 54.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 110.40 TRAVEL TIME(MIN.) = 2.57 TC(MIN.) = 20.29 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** .. FLOW PROCESS FROM NODE 425.00 TO NODE 425.10 IS CODE = 8 4 *" » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< • 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.332 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 62.00 SUBAREA RUNOFF(CFS) = 97.64 EFFECTIVE AREA(ACRES) = 125.00 • AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 125.00 `" PEAK FLOW RATE(CFS) = 196.85 TC(MIN) = 20.29 ***************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** • ,OW PROCESS FROM NODE 429.00 TO NODE 425.10 IS CODE = 8 - » »>ADIIITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.332 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) _ .5820 - SUBAREA AREA(ACRES) = 50.00 SUBAREA RUNOFF(CFS) = 78.74 EFFECTIVE AREA(ACRES) = 175.00 - AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 175.00 `"" PEAK FLOW RATE(CFS) = 275.60 TC(MIN) = 20.29 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 425.10 TO NODE 425.10 IS CODE = 1 » »>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< » »>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES ««< m CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 20.29 .■, RAINFALL INTENSITY (INCH. /HOUR) = 2.33 EFFECTIVE STREAM AREA(ACRES) = 175.00 Aw TOTAL STREAM AREA(ACRES) = 175.00 AK FLOW RATE(CFS) AT CONFLUENCE = 275.60 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE ..,NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 309.52 22.13 2.214 .58 199.00 - 2 275.60 20.29 2.332 .58 175.00 "" \INFALL INTENSITY AND TIME OF CONCENTRATION RATIO INFLUENCE FORMULA USED FOR 2 STREAMS. • SUMMARY RESULTS: ar STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 566.49 374.00 ." 2 579.97 357.47 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: • PEAK FLOW RATE(CFS) = 579.97 TIME(MINUTES) = 20.292 �, EFFECTIVE AREA(ACRES) = 357.47 TOTAL AREA(ACRES) = 374.00 ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 425.10 TO NODE 417.10 IS CODE = 3 » > COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA ««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) ««< DEPTH OF FLOW IN 69.0 INCH PIPE IS 51.9 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 27.7 UPSTREAM NODE ELEVATION = 1677.00 """ DOWNSTREAM NODE ELEVATION = 1638.00 FLOWLENGTH(FEET) = 1320.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 69.00 NUMBER OF PIPES = 1 - PIPEFLOW THRU SUBAREA(CFS) = 579.97 - 'AVEL TIME(MIN.) _ .80 TC(MIN.) = 21.09 -,-******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 417.10 TO NODE 417.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « » »>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES « « < CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 21.09 RAINFALL INTENSITY (INCH. /HOUR) = 2.28 EFFECTIVE STREAM AREA(ACRES) = 357.47 TOTAL STREAM AREA(ACRES) = 374.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 579.97 CONFLUENCE INFORMATION: - STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 579.97 21.09 2.279 .58 357.47 . RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 1 STREAMS. .., SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE 1 * NUMBER Q(CFS) AREA(ACRES) 1 579.97 357.47 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 579.97 TIME(MINUTES) = 21.087 . EFFECTIVE AREA(ACRES) = 357.47 k * * * * * * * * * * * * * * * * * * * * * * * ** DESCRIPTION OF STUDY * * * * * * * * * * * * * * * * * * * * * * * * ** N. FONTANA MASTER STORM DRAIN PLAN, LINE B -5. * * Q 100 -YR. * • JN 3547, T. ARROYO, 11/30/89. * k****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FILE NAME: LINEB2.100 ( `'IME /DATE OF STUDY: 11: 8 11/30/1989 USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: -- *TIME -OF- CONCENTRATION MODEL*- - USER SPECIFIED STORM EVENT(YEAR) = 100.00 SPECIFIED MINIMUM PIPE SIZE(INCH) = 18.00 SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE = .95 *USER- DEFINED LOGARITHMIC INTERPOLATION USED FOR RAINFALL* 10 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.050 100 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.530 COMPUTED RAINFALL INTENSITY DATA: STORM EVENT = 100.00 1 -HOUR INTENSITY(INCH /HOUR) = 1.5300 SLOPE OF INTENSITY DURATION CURVE = .6000 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 442.00 TO NODE 442.10 IS CODE = 2 »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS « «< DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 3 -4 DWELLINGS /ACRE TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW - LENGTH = 1000.00 UPSTREAM ELEVATION = 1782.00 OWNSTREAM ELEVATION = 1748.00 _ DIFFERENCE = 34.00 TC = .412 *[( 1000.00 ** 3.00)/( 34.00)] ** .20 = 12.841 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.859 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA RUNOFF(CFS) = 29.49 TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 29.49 •******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 442.10 TO NODE 441.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 24.0 INCH PIPE IS 18.6 INCHES , PIPEFLOW VELOCITY(FEET /SEC.) = 11.3 UPSTREAM NODE ELEVATION = 1745.00 DOWNSTREAM NODE ELEVATION = 1733.00 FLOWLENGTH(FEET) = 600.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 29.49 TRAVEL TIME(MIN.) = .89 TC(MIN.) = 13.73 ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 441.00 TO NODE 441.10 IS CODE = 8 \. _. »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.707 SOIL CLASSIFICATION IS HA" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 28.13 EFFECTIVE AREA(ACRES) = 20.00 01 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 56.25 TC(MIN) = 13.73 mt ****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 441.10 TO NODE 440.10 IS CODE = 3 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< »»>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< 4W DEPTH OF FLOW IN 30.0 INCH PIPE IS 19.6 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 16.6 UPSTREAM NODE ELEVATION = 1733.00 DOWNSTREAM NODE ELEVATION = 1692.00 FLOWLENGTH(FEET) = 1200.00 MANNINGS N = .013 3. ESTIMATED PIPE DIAMETER(INCH) = 30.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 56.25 46 TRAVEL TIME(MIN.) = 1.21 TC(MIN.) = 14.93 ar i * ******************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 440.00 TO NODE 440.10 IS CODE = 8 »»>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.524 . SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 • SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 52.96 EFFECTIVE AREA(ACRES) = 40.00 - AVERAGED Fm(INCH /HR) = .582 '')TAL AREA(ACRES) = 40.00 • 2AK FLOW RATE(CFS) = 105.93 TC(MIN) = 14.93 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 440.10 TO NODE 439.10 IS CODE = 3 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 42.0 INCH PIPE IS 29.2 INCHES - PIPEFLOW VELOCITY(FEET /SEC.) = 14.9 UPSTREAM NODE ELEVATION = 1692.00 ' 416 DOWNSTREAM NODE ELEVATION = 1675.00 FLOWLENGTH(FEET) = 1000.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 42.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 105.93 TRAVEL TIME(MIN.) = 1.12 TC(MIN.) = 16.06 A,******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 439.00 TO NODE 439.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.374 SOIL CLASSIFICATION IS "A" _ISIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 JBAREA AREA(ACRES) = 16.00 SUBAREA RUNOFF(CFS) = 40.21 .AFFECTIVE AREA(ACRES) = 56.00 AVERAGED Fm(INCH /HR) = .582 ... TOTAL AREA(ACRES) = 56.00 +w PEAK FLOW RATE(CFS) = 140.74 TC(MIN) = 16.06 4****** *************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** TOW PROCESS FROM NODE 443.00 TO NODE 439.10 IS CODE = 8 al. » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 4_ 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.374 '" SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 11.00 SUBAREA RUNOFF(CFS) = 27.65 EFFECTIVE AREA(ACRES) = 67.00 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 67.00 PEAK FLOW RATE(CFS) = 168.39 • TC(MIN) = 16.06 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** "' FLOW PROCESS FROM NODE 439.10 TO NODE 434.10 IS CODE = 3 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< «. DEPTH OF FLOW IN 45.0 INCH PIPE IS 32.1 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 20.0 - UPSTREAM NODE ELEVATION = 1675.00 DOWNSTREAM NODE ELEVATION = 1650.00 • FLOWLENGTH(FEET) = 900.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 45.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 168.39 '1AVEL TIME(MIN.) = .75 TC(MIN.) = 16.81 "******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 434.10 TO NODE 434.10 IS CODE = 1 » »>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< w.. CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 16.81 - RAINFALL INTENSITY (INCH. /HOUR) = 3.28 EFFECTIVE STREAM AREA(ACRES) = 67.00 TOTAL STREAM AREA(ACRES) = 67.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 168.39 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 438.00 TO NODE 438.10 IS CODE = 2 m » »>RATIONAL METHOD INITIAL SUBAREA ANALYSIS « «< .. DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 3 -4 DWELLINGS /ACRE TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW - LENGTH = 1000.00 4 UPSTREAM ELEVATION = 1758.00 DOWNSTREAM ELEVATION = 1720.00 tor ELEVATION DIFFERENCE = 38.00 = .412 *[( 1000.00 ** 3.00)/( 38.00)] ** .20 = 12.559 j.00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.910 4 , SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 . SUBAREA RUNOFF(CFS) = 29.96 wr TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 29.96 * ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** a'" FLOW PROCESS FROM NODE 438.10 TO NODE 437.10 IS CODE = 3 • - »COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< air » »USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 30.0 INCH PIPE IS 21.5 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 7.9 UPSTREAM NODE ELEVATION = 1720.00 DOWNSTREAM NODE ELEVATION = 1717.00 • FLOWLENGTH(FEET) = 400.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 30.00 NUMBER OF PIPES = 1 �► PIPEFLOW THRU SUBAREA(CFS) = 29.96 TRAVEL TIME(MIN.) = .84 TC(MIN.) = 13.40 -x** ****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 437.00 TO NODE 437.10 IS CODE = 8 > »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.761 SOIL CLASSIFICATION IS rrArr • RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 28.61 •.. EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH /HR) = .582 40 TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 57.23 °ft TC(MIN) = 13.40 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 437.10 TO NODE 436.10 IS CODE = 3 > »COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< - > »USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< • DEPTH OF FLOW IN 30.0 INCH PIPE IS 19.9 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 16.5 - UPSTREAM NODE ELEVATION = 1717.00 DOWNSTREAM NODE ELEVATION = 1690.00 - FLOWLENGTH(FEET) = 800.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 30.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 57.23 TRAVEL TIME(MIN.) = .81 TC(MIN.) = 14.20 ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** . FLOW PROCESS FROM NODE 436.00 TO NODE 436.10 IS CODE = 8 • > »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.632 SOIL CLASSIFICATION IS rrArr RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 54.90 EFFECTIVE AREA(ACRES) = 40.00 'ERAGED Fm(INCH /HR) = .582 )TAL AREA(ACRES) = 40.00 stir PEAK FLOW RATE(CFS) = 109.80 TC(MIN) = 14.20 * **************************,***************** * *** * * * * * * * * ** * * * * * ** * * * ** * * * ** . FLOW PROCESS FROM NODE 436.10 TO NODE 435.10 IS CODE = 3 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< -» >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 42.0 INCH PIPE IS 31.6 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 14.2 UPSTREAM NODE ELEVATION = 1690.00 DOWNSTREAM NODE ELEVATION = 1675.00 • FLOWLENGTH(FEET) = 1000.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 42.00 NUMBER OF PIPES = 1 ,. PIPEFLOW THRU SUBAREA(CFS) = 109.80 TRAVEL TIME(MIN.) = 1.18 TC(MIN.) = 15.38 . .********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 435.00 TO NODE 435.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.462 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 27.00 SUBAREA RUNOFF(CFS) = 69.99 • EFFECTIVE AREA(ACRES) = 67.00 AVERAGED Fm(INCH /HR) _ .582 - TOTAL AREA(ACRES) = 67.00 PEAK FLOW RATE(CFS) = 173.69 TC(MIN) = 15.38 k e***************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ,OW PROCESS FROM NODE 435.10 TO NODE 434.10 IS CODE = 3 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 48.0 INCH PIPE IS 35.4 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 17.5 ar UPSTREAM NODE ELEVATION = 1675.00 DOWNSTREAM NODE ELEVATION = 1650.00 • FLOWLENGTH(FEET) = 1300.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 48.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 173.69 TRAVEL TIME(MIN.) = 1.24 TC(MIN.) = 16.62 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 434.00 TO NODE 434.10 IS CODE = 8 m » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< b. 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.305 SOIL CLASSIFICATION IS "A" " RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 34.00 SUBAREA RUNOFF(CFS) = 83.32 ` EFFECTIVE AREA(ACRES) = 101.00 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 101.00 'AK FLOW RATE(CFS) = 247.52 (MIN) = 16.62 .********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** a FLOW PROCESS FROM NODE 434.10 TO NODE 434.10 IS CODE = 1 • » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< » » >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES « «< Ok INFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: MME OF CONCENTRATION(MINUTES) = 16.62 RAINFALL INTENSITY (INCH. /HOUR) = 3.30 "` EFFECTIVE STREAM AREA(ACRES) = 101.00 TOTAL STREAM AREA(ACRES) = 101.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 247.52 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) elw- 1 168.39 16.81 3.283 .58 67.00 m* 2 247.52 16.62 3.305 .58 101.00 • RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 413.93 168.00 . 2 415.40 167.27 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: - PEAK FLOW RATE(CFS) = 415.40 TIME(MINUTES) = 16.622 EFFECTIVE AREA(ACRES) = 167.27 TOTAL AREA(ACRES) = 168.00 a***************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ,OW PROCESS FROM NODE 434.10 TO NODE 433.10 IS CODE = 3 » »> COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< • » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< • DEPTH OF FLOW IN 63.0 INCH PIPE IS 50.9 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 22.2 a UPSTREAM NODE ELEVATION = 1650.00 DOWNSTREAM NODE ELEVATION = 1622.00 - FLOWLENGTH(FEET) = 1320.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 63.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 415.40 TRAVEL TIME(MIN.) = .99 TC(MIN.) = 17.61 a ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 433.10 TO NODE 433.10 IS CODE = 1 • » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< . CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 17.61 e lle RAINFALL INTENSITY (INCH. /HOUR) = 3.19 EFFECTIVE STREAM AREA(ACRES) = 167.27 "" TOTAL STREAM AREA(ACRES) = 168.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 415.40 1 ***************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** a FLOW PROCESS FROM NODE 430.00 TO NODE 430.11 IS CODE = 2 - » » >RATIONAL METHOD INITIAL SUBAREA ANALYSIS« «< ar= DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 3 -4 DWELLINGS /ACRE TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 al INITIAL SUBAREA FLOW - LENGTH = 1000.00 ''STREAM ELEVATION = 1717.00 JWNSTREAM ELEVATION = 1690.00 ELEVATION DIFFERENCE = 27.00 TC = .412 *[( 1000.00 ** 3.00)/( 27.00)] ** .20 = 13.447 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.753 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA RUNOFF(CFS) = 14.27 TOTAL AREA(ACRES) = 5.00 PEAK FLOW RATE(CFS) = 14.27 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** . FLOW PROCESS FROM NODE 430.11 TO NODE 430.12 IS CODE = 3 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 18.0 INCH PIPE IS 12.7 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 10.7 UPSTREAM NODE ELEVATION = 1690.00 DOWNSTREAM NODE ELEVATION = 1663.00 , FLOWLENGTH(FEET) = 1000.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 14.27 TRAVEL TIME(MIN.) = 1.56 TC(MIN.) = 15.01 ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ',OW PROCESS FROM NODE 430.10 TO NODE 430.12 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.514 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 5.00 SUBAREA RUNOFF(CFS) = 13.19 • EFFECTIVE AREA(ACRES) = 10.00 AVERAGED Fm(INCH /HR) = .582 - TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 26.39 "'t" TC(MIN) = 15.01 eri ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 430.12 TO NODE 431.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< m » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< m DEPTH OF FLOW IN 27.0 INCH PIPE IS 19.6 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 8.6 0 UPSTREAM NODE ELEVATION = 1663.00 DOWNSTREAM NODE ELEVATION = 1660.00 FLOWLENGTH(FEET) = 300.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 27.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 26.39 `AVEL TIME(MIN.) = .58 TC(MIN.) = 15.59 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** m FLOW PROCESS FROM NODE 431.00 TO NODE 431.10 IS CODE = 8 " ,w » »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< mr 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.434 m SOIL CLASSIFICATION IS "A" 'SIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 • JBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 25.67 EFFECTIVE AREA(ACRES) = 20.00 4* AVERAGED Fm(INCH /HR) _ .582 TOTAL AREA(ACRES) = 20.00 " PEAK FLOW RATE(CFS) = 51.34 TC(MIN) = 15.59 ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** m FLOW PROCESS FROM NODE 431.10 TO NODE 432.10 IS CODE = 3 » »COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » »USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 33.0 INCH PIPE IS 22.4 INCHES • PIPEFLOW VELOCITY(FEET /SEC.) = 12.0 UPSTREAM NODE ELEVATION = 1660.00 DOWNSTREAM NODE ELEVATION = 1643.00 FLOWLENGTH(FEET) = 1100.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 33.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 51.34 TRAVEL TIME(MIN.) = 1.53 TC(MIN.) = 17.12 m********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 432.00 TO NODE 432.10 IS CODE = 8 m. - »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.247 - SOIL CLASSIFICATION IS ',Au RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) _ .5820 SUBAREA AREA(ACRES) = 16.00 SUBAREA RUNOFF(CFS) = 38.37 - EFFECTIVE AREA(ACRES) = 36.00 AVERAGED Fm(INCH /HR) = .582 - TOTAL AREA(ACRES) = 36.00 PEAK FLOW RATE(CFS) = 86.34 - TC(MIN) = 17.12 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** • FLOW PROCESS FROM NODE 432.10 TO NODE 433.10 IS CODE = 3 > »COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< > »USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< m DEPTH OF FLOW IN 39.0 INCH PIPE IS 26.7 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 14.3 ,., UPSTREAM NODE ELEVATION = 1643.00 DOWNSTREAM NODE ELEVATION = 1622.00 FLOWLENGTH(FEET) = 1200.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 39.00 NUMBER OF PIPES = 1 • PIPEFLOW THRU SUBAREA(CFS) = 86.34 TRAVEL TIME(MIN.) = 1.40 TC(MIN.) = 18.52 "'. <***************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** m FLOW PROCESS FROM NODE 433.00 TO NODE 433.10 IS CODE = 8 • > »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.097 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 m SUBAREA AREA(ACRES) = 56.00 SUBAREA RUNOFF(CFS) = 126.78 'FECTIVE AREA(ACRES) = 92.00 ,., /ERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 92.00 0 PEAK FLOW RATE(CFS) = 208.28 TC(MIN) = 18.52 v, ` :******************************************** * * * ****** * * *** *** * * ** * * * * * * ** ** FLOW PROCESS FROM NODE 433.10 TO NODE 433.10 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(MINUTES) = 18.52 RAINFALL INTENSITY (INCH. /HOUR) = 3.10 .. EFFECTIVE STREAM AREA(ACRES) = 92.00 TOTAL STREAM AREA(ACRES) = 92.00 ''®' PEAK FLOW RATE(CFS) AT CONFLUENCE = 208.28 - CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 415.40 17.61 3.192 .58 167.27 2 208.28 18.52 3.097 .58 92.00 - RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO ^NFLUENCE FORMULA USED FOR 2 STREAMS. - ;MMARY RESULTS: STREAM CONFLUENCE EFFECTIVE - NUMBER Q(CFS) AREA(ACRES) - 1 620.95 254.77 2 608.63 259.27 - COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 620.95 TIME(MINUTES) = 17.614 EFFECTIVE AREA(ACRES) = 254.77 ... TOTAL AREA(ACRES) = 260.00 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** • FLOW PROCESS FROM NODE 433.10 TO NODE 428.10 IS CODE = 3 » »> COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< •s DEPTH OF FLOW IN 75.0 INCH PIPE IS 60.2 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 23.5 UPSTREAM NODE ELEVATION = 1622.00 DOWNSTREAM NODE ELEVATION = 1597.00 • FLOWLENGTH(FEET) = 1320.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 75.00 NUMBER OF PIPES = 1 • PIPEFLOW THRU SUBAREA(CFS) = 620.95 TRAVEL TIME(MIN.) = .93 TC(MIN.) = 18.55 • :***************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** PLOW PROCESS FROM NODE 428.10 TO NODE 428.10 IS CODE = 1 » »>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< » »>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES« «< ... CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 18.55 .v' RAINFALL INTENSITY (INCH. /HOUR) = 3.09 EFFECTIVE STREAM AREA(ACRES) = 254.77 " TOTAL STREAM AREA(ACRES) = 260.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 620.95 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE . NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) . 1 620.95 18.55 3.094 .58 254.77 As RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 1 STREAMS. '• SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE a " NUMBER Q(CFS) AREA(ACRES) • 1 620.95 254.77 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 620.95 TIME(MINUTES) = 18.549 EFFECTIVE AREA(ACRES) = 254.77 TOTAL AREA(ACRES) = 260.00 .SAD OF STUDY SUMMARY: - TOTAL AREA(ACRES) = 260.00 EFFECTIVE AREA(ACRES) = 254.77 411 PEAK FLOW RATE(CFS) = 620.95 '"" END OF RATIONAL METHOD ANALYSIS 0 AN : r******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE (Reference: 1986 SAN BERNARDINO CO. HYDROLOGY CRITERION) Copyright 1983,86,87 Advanced Engineering Software (aes) Ver. 4.1C Release Date: 5/11/87 Serial # 100908 Especially prepared for: HALL & FOREMAN * * * * * * * * * * * * * * * * * * * * * * * * ** DESCRIPTION OF STUDY * * * * * * * * * * * * * * * * * * * * * * * * ** * N. FONTANA MASTER STORM DRAIN PLAN, LINE B -5 * .,.* Q 25-YR. * * JN 3547, T. ARROYO, 11/29/89. * ******************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FILE NAME: LINEB2.25 TIME /DATE OF STUDY: 11: 4 11/30/1989 USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: -- *TIME -OF- CONCENTRATION MODEL*- - USER SPECIFIED STORM EVENT(YEAR) = 25.00 SPECIFIED MINIMUM PIPE SIZE(INCH) = 18.00 . SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE = .95 *USER- DEFINED LOGARITHMIC INTERPOLATION USED FOR RAINFALL* ,. 10 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.050 100 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.530 ' ,40 COMPUTED RAINFALL INTENSITY DATA: STORM EVENT = 25.00 1 -HOUR INTENSITY(INCH /HOUR) = 1.2167 ""` SLOPE OF INTENSITY DURATION CURVE = .6000 ''„ r*** ***************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 442.00 TO NODE 442.10 IS CODE = 2 - » »> RATIONAL METHOD INITIAL SUBAREA ANALYSIS« «< - DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 3 -4 DWELLINGS /ACRE TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW - LENGTH = 1000.00 - UPSTREAM ELEVATION = 1782.00 DOWNSTREAM ELEVATION = 1748.00 ELEVATION DIFFERENCE = 34.00 TC = .412 *[( 1000.00 ** 3.00)/( 34.00)] ** .20 = 12.841 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.069 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 as SUBAREA RUNOFF(CFS) = 22.38 TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 22.38 4 ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 442.10 TO NODE 441.10 IS CODE = 3 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< ,PTH OF FLOW IN 24.0 INCH PIPE IS 15.0 INCHES +rr PIPEFLOW VELOCITY(FEET/SEC.) = 10.8 UPSTREAM NODE ELEVATION = 1745.00 DOWNSTREAM NODE ELEVATION = 1733.00 • FLOWLENGTH(FEET) = 600.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 24.00 NUMBER OF PIPES = 1 • PIPEFLOW THRU SUBAREA(CFS) = 22.38 TRAVEL TIME(MIN.) = .93 TC(MIN.) = 13.77 :****** * * * * * * * * * * * * * * * * * * * * ****** * * ** **** * * * * ** * * ** * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 441.00 TO NODE 441.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< er 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.943 SOIL CLASSIFICATION IS "A" ,.. RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 21.25 40 EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH /HR) = .582 " TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 42.50 TC(MIN) = 13.77 ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 441.10 TO NODE 440.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 27.0 INCH PIPE IS 17.6 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 15.4 """ UPSTREAM NODE ELEVATION = 1733.00 DOWNSTREAM NODE ELEVATION = 1692.00 - FLOWLENGTH(FEET) = 1200.00 MANNINGS N = .013 1TIMATED PIPE DIAMETER(INCH) = 27.00 NUMBER OF PIPES = 1 _PEFLOW THRU SUBAREA(CFS) = 42.50 TRAVEL TIME(MIN.) = 1.29 TC(MIN.) = 15.06 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** .. FLOW PROCESS FROM NODE 440.00 TO NODE 440.10 IS CODE = 8 .1" » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< "" 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.788 SOIL CLASSIFICATION IS "A" - RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 39.72 mm EFFECTIVE AREA(ACRES) = 40.00 . AVERAGED Fm(INCH /HR) _ .582 TOTAL AREA(ACRES) = 40.00 . PEAK FLOW RATE(CFS) = 79.43 TC(MIN) = 15.06 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 440.10 TO NODE 439.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< mF DEPTH OF FLOW IN 36.0 INCH PIPE IS 27.7 INCHES 'PEFLOW VELOCITY(FEET /SEC.) = 13.6 , STREAM NODE ELEVATION = 1692.00 411 DOWNSTREAM NODE ELEVATION = 1675.00 FLOWLENGTH(FEET) = 1000.00 MANNINGS N = .013 *ESTIMATED PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 79.43 TRAVEL TIME(MIN.) = 1.22 TC(MIN.) = 16.28 •+********************************************* * ** * ** * * ** * * * * * * * ** * * * * * ** * * * ** T,OW PROCESS FROM NODE 439.00 TO NODE 439.10 IS CODE = 8 wy » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.661 SOIL CLASSIFICATION IS "A" • RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 16.00 SUBAREA RUNOFF(CFS) = 29.94 - EFFECTIVE AREA(ACRES) = 56.00 AVERAGED Fm(INCH /HR) = .582 .w TOTAL AREA(ACRES) = 56.00 PEAK FLOW RATE(CFS) = 104.77 TC(MIN) = 16.28 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** a " ° FLOW PROCESS FROM NODE 443.00 TO NODE 439.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.661 . SOIL CLASSIFICATION IS "Au RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 - SUBAREA AREA(ACRES) = 11.00 SUBAREA RUNOFF(CFS) = 20.58 EFFECTIVE AREA(ACRES) = 67.00 - AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 67.00 "'" PEAK FLOW RATE(CFS) = 125.36 (MIN) = 16.28 : ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** • FLOW PROCESS FROM NODE 439.10 TO NODE 434.10 IS CODE = 3 .., » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 39.0 INCH PIPE IS 29.9 INCHES ^^ PIPEFLOW VELOCITY(FEET /SEC.) = 18.4 UPSTREAM NODE ELEVATION = 1675.00 '" DOWNSTREAM NODE ELEVATION = 1650.00 FLOWLENGTH(FEET) = 900.00 MANNINGS N = .013 "" ESTIMATED PIPE DIAMETER(INCH) = 39.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 125.36 TRAVEL TIME(MIN.) = .82 TC(MIN.) = 17.10 i******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 434.10 TO NODE 434.10 IS CODE = 1 » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: • TIME OF CONCENTRATION(MINUTES) = 17.10 RAINFALL INTENSITY (INCH. /HOUR) = 2.58 EFFECTIVE STREAM AREA(ACRES) = 67.00 'TAL STREAM AREA(ACRES) = 67.00 AK FLOW RATE(CFS) AT CONFLUENCE = 125.36 ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** Art . FLOW PROCESS FROM NODE 438.00 TO NODE 438.10 IS CODE = 2 » »>RATIONAL METHOD INITIAL SUBAREA ANALYSIS« «< '"' DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 3 -4 DWELLINGS /ACRE ' ' = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW - LENGTH = 1000.00 UPSTREAM ELEVATION = 1758.00 DOWNSTREAM ELEVATION = 1720.00 ELEVATION DIFFERENCE = 38.00 • TC = .412 *[( 1000.00 ** 3.00)/( 38.00)] ** .20 = 12.559 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.110 ,. SOIL CLASSIFICATION IS "Au RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 4 SUBAREA RUNOFF(CFS) = 22.75 TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 22.75 (******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 438.10 TO NODE 437.10 IS CODE = 3 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 27.0 INCH PIPE IS 19.5 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 7.4 UPSTREAM NODE ELEVATION = 1720.00 - DOWNSTREAM NODE ELEVATION = 1717.00 FLOWLENGTH(FEET) = 400.00 MANNINGS N = .013 • ESTIMATED PIPE DIAMETER(INCH) = 27.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 22.75 - TRAVEL TIME(MIN.) = .90 TC(MIN.) = 13.46 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 437.00 TO NODE 437.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.983 - SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 - SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 21.61 EFFECTIVE AREA(ACRES) = 20.00 -• AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 20.00 "' PEAK FLOW RATE(CFS) = 43.22 a TC(MIN) = 13.46 ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** rr FLOW PROCESS FROM NODE 437.10 TO NODE 436.10 IS CODE = 3 • » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 27.0 INCH PIPE IS 17.9 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 15.4 UPSTREAM NODE ELEVATION = 1717.00 DOWNSTREAM NODE ELEVATION = 1690.00 OWLENGTH(FEET) = 800.00 MANNINGS N = .013 ,TIMATED PIPE DIAMETER(INCH) = 27.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 43.22 TRAVEL TIME(MIN.) = .86 TC(MIN.) = 14.32 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** . FLOW PROCESS FROM NODE 436.00 TO NODE 436.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.874 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 41.25 EFFECTIVE AREA(ACRES) = 40.00 • AVERAGED Fm(INCH/HR) _ .582 TOTAL AREA(ACRES) = 40.00 PEAK FLOW RATE(CFS) = 82.51 TC(MIN) = 14.32 -********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 436.10 TO NODE 435.10 IS CODE = 3 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< • » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 39.0 INCH PIPE IS 27.3 INCHES - PIPEFLOW VELOCITY(FEET /SEC.) = 13.3 UPSTREAM NODE ELEVATION = 1690.00 DOWNSTREAM NODE ELEVATION = 1675.00 FLOWLENGTH(FEET) = 1000.00 MANNINGS N = .013 -- ESTIMATED PIPE DIAMETER(INCH) = 39.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 82.51 • TRAVEL TIME(MIN.) = 1.25 TC(MIN.) = 15.58 +:***************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ,OW PROCESS FROM NODE 435.00 TO NODE 435.10 IS CODE = 8 - » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.733 - SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 • SUBAREA AREA(ACRES) = 27.00 SUBAREA RUNOFF(CFS) = 52.27 EFFECTIVE AREA(ACRES) = 67.00 - AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 67.00 " PEAK FLOW RATE(CFS) = 129.70 TC(MIN) = 15.58 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 435.10 TO NODE 434.10 IS CODE = 3 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< +es DEPTH OF FLOW IN 42.0 INCH PIPE IS 32.8 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 16.1 UPSTREAM NODE ELEVATION = 1675.00 " DOWNSTREAM NODE ELEVATION = 1650.00 FLOWLENGTH(FEET) = 1300.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 42.00 NUMBER OF PIPES = 1 'PEFLOW THRU SUBAREA(CFS) = 129.70 :AVEL TIME(MIN.) = 1.35 TC(MIN.) = 16.92 wr +,******************************************** * * * * * * * * * * * * * * * * * * * * * * * * ** * * * ** rr FLOW PROCESS FROM NODE 434.00 TO NODE 434.10 IS CODE = 8 ®.► » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 4, " 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.600 7IL CLASSIFICATION IS "A" "" JSIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) _ .5820 SUBAREA AREA(ACRES) = 34.00 SUBAREA RUNOFF(CFS) = 61.76 EFFECTIVE AREA(ACRES) = 101.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 101.00 PEAK FLOW RATE(CFS) = 183.45 TC(MIN) = 16.92 Ao******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 434.10 TO NODE 434.10 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(MINUTES) = 16.92 RAINFALL INTENSITY (INCH. /HOUR) = 2.60 EFFECTIVE STREAM AREA(ACRES) = 101.00 TOTAL STREAM AREA(ACRES) = 101.00 • PEAK FLOW RATE(CFS) AT CONFLUENCE = 183.45 . CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE 40 NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 125.36 17.10 2.584 .58 67.00 2 183.45 16.92 2.600 .58 101.00 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. ar SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 307.33 168.00 2 308.51 167.30 ® COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 308.51 TIME(MINUTES) = 16.923 - EFFECTIVE AREA(ACRES) = 167.30 TOTAL AREA(ACRES) = 168.00 arr ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 434.10 TO NODE 433.10 IS CODE = 3 ri » »> COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 57.0 INCH PIPE IS 44.6 INCHES ' PIPEFLOW VELOCITY(FEET /SEC.) = 20.7 UPSTREAM NODE ELEVATION = 1650.00 "* DOWNSTREAM NODE ELEVATION = 1622.00 FLOWLENGTH(FEET) = 1320.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 57.00 NUMBER OF PIPES = 1 'PEFLOW THRU SUBAREA(CFS) = 308.51 (AVEL TIME(MIN.) = 1.06 TC(MIN.) = 17.98 , ,******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 0 4 r FLOW PROCESS FROM NODE 433.10 TO NODE 433.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< 4 CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: ':ME OF CONCENTRATION(MINUTES) = 17.98 • tINFALL INTENSITY (INCH. /HOUR) = 2.51 EFFECTIVE STREAM AREA(ACRES) = 167.30 TOTAL STREAM AREA(ACRES) = 168.00 . PEAK FLOW RATE(CFS) AT CONFLUENCE = 308.51 w ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 430.00 TO NODE 430.11 IS CODE = 2 » »>RATIONAL METHOD INITIAL SUBAREA ANALYSIS« «< .. DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 3 -4 DWELLINGS /ACRE TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW - LENGTH = 1000.00 - UPSTREAM ELEVATION = 1717.00 DOWNSTREAM ELEVATION = 1690.00 ELEVATION DIFFERENCE = 27.00 TC = .412 *[( 1000.00 ** 3.00)/( 27.00)] ** .20 = 13.447 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.985 • SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 • SUBAREA RUNOFF(CFS) = 10.81 TOTAL AREA(ACRES) = 5.00 PEAK FLOW RATE(CFS) = 10.81 ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 'SOW PROCESS FROM NODE 430.11 TO NODE 430.12 IS CODE = 3 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 18.0 INCH PIPE IS 10.5 INCHES - PIPEFLOW VELOCITY(FEET /SEC.) = 10.1 UPSTREAM NODE ELEVATION = 1690.00 - DOWNSTREAM NODE ELEVATION = 1663.00 FLOWLENGTH(FEET) = 1000.00 MANNINGS N = .013 °- ESTIMATED PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 10.81 -" TRAVEL TIME(MIN.) = 1.65 TC(MIN.) = 15.10 ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 430.10 TO NODE 430.12 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.785 «., SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 5.00 SUBAREA RUNOFF(CFS) = 9.91 EFFECTIVE AREA(ACRES) = 10.00 *" AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 19.82 'MIN) = 15.10 ..r ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** * FLOW PROCESS FROM NODE 430.12 TO NODE 431.10 IS CODE = 3 j » »COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< r.. » »USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< 44 " DEPTH OF FLOW IN 24.0 INCH PIPE IS 17.8 INCHES T.PEFLOW VELOCITY(FEET /SEC.) = 7.9 4 " !STREAM NODE ELEVATION = 1663.00 DOWNSTREAM NODE ELEVATION = 1660.00 FLOWLENGTH(FEET) = 300.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 19.82 TRAVEL TIME(MIN.) = .63 TC(MIN.) = 15.73 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 40 FLOW PROCESS FROM NODE 431.00 TO NODE 431.10 IS CODE = 8 • » »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.717 SOIL CLASSIFICATION IS "'A" • RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) _ .5820 SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 19.22 EFFECTIVE AREA(ACRES) = 20.00 - AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 20.00 • PEAK FLOW RATE(CFS) = 38.44 TC(MIN) = 15.73 .********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 431.10 TO NODE 432.10 IS CODE = 3 '»COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< »USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 30.0 INCH PIPE IS 19.8 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 11.2 UPSTREAM NODE ELEVATION = 1660.00 , DOWNSTREAM NODE ELEVATION = 1643.00 FLOWLENGTH(FEET) = 1100.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 30.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 38.44 - TRAVEL TIME(MIN.) = 1.64 TC(MIN.) = 17.37 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 432.00 TO NODE 432.10 IS CODE = 8 rri » »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< ys 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.560 m SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 . SUBAREA AREA(ACRES) = 16.00 SUBAREA RUNOFF(CFS) = 28.49 EFFECTIVE AREA(ACRES) = 36.00 '" AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 36.00 "" PEAK FLOW RATE(CFS) = 64.10 TC(MIN) = 17.37 k k***************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** m FLOW PROCESS FROM NODE 432.10 TO NODE 433.10 IS CODE = 3 • > »COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 33.0 INCH PIPE IS 25.4 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 13.1 r UPSTREAM NODE ELEVATION = 1643.00 1WNSTREAM NODE ELEVATION = 1622.00 .,OWLENGTH(FEET) = 1200.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 33.00 NUMBER OF PIPES = 1 m PIPEFLOW THRU SUBAREA(CFS) = 64.10 TRAVEL TIME(MIN.) = 1.53 TC(MIN.) = 18.90 ` ********************************************* * * ** * * * ** * ** * * * ** * * * * * * * ** * **** FLOW PROCESS FROM NODE 433.00 TO NODE 433.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< • 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.434 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 56.00 SUBAREA RUNOFF(CFS) = 93.32 • EFFECTIVE AREA(ACRES) = 92.00 AVERAGED Fm(INCH /HR) = .582 m TOTAL AREA(ACRES) = 92.00 PEAK FLOW RATE(CFS) = 153.31 .. TC(MIN) = 18.90 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 433.10 TO NODE 433.10 IS CODE = 1 » »>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< - » » >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES« «< JNFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 18.90 - RAINFALL INTENSITY (INCH. /HOUR) = 2.43 EFFECTIVE STREAM AREA(ACRES) = 92.00 TOTAL STREAM AREA(ACRES) = 92.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 153.31 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE - NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) • 1 308.51 17.98 2.507 .58 167.30 2 153.31 18.90 2.434 .58 92.00 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: "` STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 460.20 254.86 2 450.07 259.30 . COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 460.20 TIME(MINUTES) = 17.985 . EFFECTIVE AREA(ACRES) = 254.86 TOTAL AREA(ACRES) = 260.00 ar • •***************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** }LOW PROCESS FROM NODE 433.10 TO NODE 428.10 IS CODE = 3 »» > COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » » »USING COMPUTER — ESTIMATED PIPESIZE (NON— PRESSURE FLOW) « «< DEPTH OF FLOW IN 69.0 INCH PIPE IS 51.5 INCHES , 4* PIPEFLOW VELOCITY(FEET /SEC.) = 22.1 UPSTREAM NODE ELEVATION = 1622.00 `° DOWNSTREAM NODE ELEVATION = 1597.00 FLOWLENGTH(FEET) = 1320.00 MANNINGS N = .013 " ESTIMATED PIPE DIAMETER(INCH) = 69.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 460.20 TRAVEL TIME(MIN.) = .99 TC(MIN.) = 18.98 ******************************************** * * * * * * * ** * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 428.10 TO NODE 428.10 IS CODE = 1 i or » » »DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< -40 » » »AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES« «< • CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 18.98 RAINFALL INTENSITY (INCH. /HOUR) = 2.43 EFFECTIVE STREAM AREA(ACRES) = 254.86 TOTAL STREAM AREA(ACRES) = 260.00 ,„„ PEAK FLOW RATE(CFS) AT CONFLUENCE = 460.20 CONFLUENCE INFORMATION: °'TREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE • MBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) — 1 460.20 18.98 2.427 .58 254.86 4° RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 1 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 460.20 254.86 — COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 460.20 TIME(MINUTES) = 18.979 . EFFECTIVE AREA(ACRES) = 254.86 TOTAL AREA(ACRES) = 260.00 ,ra END OF STUDY SUMMARY: `'° TOTAL AREA(ACRES) = 260.00 EFFECTIVE AREA(ACRES) = 254.86 PEAK FLOW RATE(CFS) = 460.20 • END OF RATIONAL METHOD ANALYSIS .******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE (Reference: 1986 SAN BERNARDINO CO. HYDROLOGY CRITERION) Copyright 1983,86,87 Advanced Engineering Software (aes) Ver. 4.1C Release Date: 5/11/87 Serial # 100908 Especially prepared for: HALL & FOREMAN /,/- ( * * * * * * * * * * * * * * * * * * * * * * * * ** DESCRIPTION OF STUDY * * * * * * * * * * * * * * * * * * * * * * * * ** 7* N. FONTANA MASTER S.D. PLAN: LINE C WITH LATERALS - ALONG HIGHLAND AVE. * * Q 25 -YEAR, DESIGN FOR LATERAL LINES - CALC'S REVISED 10/14/93 r B. EVERSON - J.N. 3547 - LINEC.25 (INPUT), LINEC.OUT (OUTPUT) ******************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** • FILE NAME: LINEC.25 TIME /DATE OF STUDY: 11:31 10/14/1993 USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: -- *TIME -OF- CONCENTRATION MODEL*- - USER SPECIFIED STORM EVENT(YEAR) = 25.00 - SPECIFIED MINIMUM PIPE SIZE(INCH) = 18.00 SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE = .95 *USER - DEFINED LOGARITHMIC INTERPOLATION USED FOR RAINFALL* - 10 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.050 100 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.550 - COMPUTED RAINFALL INTENSITY DATA: STORM EVENT = 25.00 1 -HOUR INTENSITY(INCH /HOUR) = 1.2246 - SLOPE OF INTENSITY DURATION CURVE = .6000 -********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 300.00 TO NODE 300.11 IS CODE = 2 » »> RATIONAL METHOD INITIAL SUBAREA ANALYSIS« «< DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 3 -4 DWELLINGS /ACRE - TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW - LENGTH = 1000.00 - UPSTREAM ELEVATION = 1665.00 DOWNSTREAM ELEVATION = 1630.00 - ELEVATION DIFFERENCE = 35.00 TC = .412 *[( 1000.00 ** 3.00)/( 35.00)] ** .20 = 12.767 '" 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.099 SOIL CLASSIFICATION IS "A" - RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA RUNOFF(CFS) = 11.33 TOTAL AREA(ACRES) = 5.00 PEAK FLOW RATE(CFS) = 11.33 ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 300.11 TO NODE 300.12 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA ««< 40 » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< STIMATED PIPE DIAMETER(INCH) INCREASED TO 18.000 DEPTH OF FLOW IN 18.0 INCH PIPE IS 10.0 INCHES • PIPEFLOW VELOCITY(FEET /SEC.) = 11.2 UPSTREAM NODE ELEVATION = 1630.00 DOWNSTREAM NODE ELEVATION = 1595.40 FLOWLENGTH(FEET) = 1000.00 MANNINGS N = .013 "*' ESTIMATED PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 11.33 - 1AVEL TIME(MIN.) = 1.48 TC(MIN.) = 14.25 ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 300.10 TO NODE 300.12 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.901 . SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 • SUBAREA AREA(ACRES) = 5.00 SUBAREA RUNOFF(CFS) = 10.44 EFFECTIVE AREA(ACRES) = 10.00 ""' AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 10.00 - PEAK FLOW RATE(CFS) = 20.87 TC(MIN) = •14.25 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** • FLOW PROCESS FROM NODE 300.12 TO NODE 301.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« « < » > » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « « < ESTIMATED PIPE DIAMETER(INCH) INCREASED TO 18.000 - DEPTH OF FLOW IN 18.0 INCH PIPE IS 6.9 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 33.3 - UPSTREAM NODE ELEVATION = 1665.50 )WNSTREAM NODE ELEVATION = 1595.00 £LOWLENGTH(FEET) = 167.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES = 1 - PIPEFLOW THRU SUBAREA(CFS) = 20.87 TRAVEL TIME(MIN.) = .08 TC(MIN.) = 14.33 r******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 301.00 TO NODE 301.11 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.891 SOIL CLASSIFICATION IS "A" • RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 20.78 EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 20.00 m PEAK FLOW RATE(CFS) = 41.56 TC(MIN) = 14.33 • ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 301.11 TO NODE 302.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< ,.DEPTH OF FLOW IN 45.0 INCH PIPE IS 33.6 INCHES • PIPEFLOW VELOCITY(FEET /SEC.) = 4.7 UPSTREAM NODE ELEVATION = 1595.00 . DOWNSTREAM NODE ELEVATION = 1594.50 FLOWLENGTH(FEET) = 330.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 45.00 NUMBER OF PIPES = 1 • PIPEFLOW THRU SUBAREA(CFS) = 41.56 TRAVEL TIME(MIN.) = 1.17 TC(MIN.) = 15.50 r******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 302.00 TO NODE 302.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< • 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.758 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 39.17 AvA EFFECTIVE AREA(ACRES) = 40.00 AVERAGED Fm(INCH/HR) = .582 - TOTAL AREA(ACRES) = 40.00 PEAK FLOW RATE(CFS) = 78.34 • TC(MIN) = 15.50 k******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLO PROCESS FROM NODE 302.10 TO NODE 303.10 IS CODE = 3 » » >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 VELOCITY(FEET /SEC.) = 6.5 Ato UPSTREAM NODE ELEVATION = 1594.50 DOWNSTREAM NODE ELEVATION = 1593.00 - FLOWLENGTH(FEET) = 630.00 MANNINGS N = .013 STIMATED PIPE DIAMETER(INCH) = 51.00 NUMBER OF PIPES = 1 ilIPEFLOW THRU SUBAREA(CFS) = 78.34 TRAVEL TIME(MIN.) = 1.63 TC(MIN.) = 17.13 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** „ FLOW PROCESS FROM NODE 303.00 TO NODE 303.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< - 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.598 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 72.57 -" EFFECTIVE AREA(ACRES) = 80.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 80.00 PEAK FLOW RATE(CFS) = 145.14 - TC(MIN) = 17.13 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 303.10 TO NODE 303.10 IS CODE = 1 �r- » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: "" TIME.OF CONCENTRATION(MINUTES) = 17.13 'XINFALL INTENSITY (INCH. /HOUR) = 2.60 AFFECTIVE STREAM AREA(ACRES) = 80.00 • TOTAL STREAM AREA(ACRES) = 80.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 145.14 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 4. FLOW PROCESS FROM NODE 304.00 TO NODE 304.10 IS CODE = 2 h*» »RATIONAL METHOD INITIAL SUBAREA ANALYSIS« «< DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 3 -4 DWELLINGS /ACRE • TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW- LENGTH = 1000.00 UPSTREAM ELEVATION = 1668.00 • DOWNSTREAM ELEVATION = 1657.00 ELEVATION DIFFERENCE = 11.00 ,, TC = .412 *[( 1000.00 ** 3.00) /( 11.00)] ** .20 = 16.092 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.697 • SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 "" SUBAREA RUNOFF(CFS) = 19.04 TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 19.04 -********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 304.10 TO NODE '305.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< .- DEPTH OF FLOW IN 21.0 INCH PIPE IS 12.6 INCHES - PIPEFLOW VELOCITY(FEET /SEC.) = 12.6 UPSTREAM NODE ELEVATION = 1657.00 °o DOWNSTREAM NODE ELEVATION = 1647.00 FLOWLENGTH(FEET) = 300.00 MANNINGS N = .013 - ESTIMATED PIPE DIAMETER(INCH) = 21.00 NUMBER OF PIPES = 1 IPEFLOW THRU SUBAREA(CFS) = 19.04 RAVEL TIME(MIN.) = .40 TC(MIN.) = 16.49 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 305.00 TO NODE 305.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.658 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 - SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 18.68 EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 37.37 TC(MIN) = 16.49 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** „® FLOW PROCESS FROM NODE 305.10 TO NODE 306.10 IS CODE = 3 m » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA ««< » COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 27.0 INCH PIPE IS 18.1 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 13.2 PSTREAM NODE ELEVATION = 1647.00 iOWNSTREAM NODE ELEVATION = 1631.00 FLOWLENGTH(FEET) = 650.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 27.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 37.37 TRAVEL TIME(MIN.) = .82 TC(MIN.) = 17.31 • k******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** T'LOW PROCESS FROM NODE 306.00 TO NODE 306.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « « < 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.582 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 „ SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 35.99 EFFECTIVE AREA(ACRES) = 40.00 , AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 40.00 . PEAK FLOW RATE(CFS) = 71.98 • TC(MIN) = 17.31 ********************************************* * * * * * * ** * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 306.10 TO NODE 303.10 IS CODE = 3 » » > COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA< « < - » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « DEPTH OF FLOW IN - 33.0 INCH PIPE IS 23.6 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 15.8 UPSTREAM NODE ELEVATION = 1631.00 DOWNSTREAM NODE ELEVATION = 1593.00 FLOWLENGTH(FEET) = 1450.00 MANNINGS N = .0f3 x-.« ESTIMATED PIPE DIAMETER(INCH) = 33.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 71.98 TRAVEL TIME(MIN.) = 1.53 TC(MIN.) = 18.84 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 307.00 TO NODE 303.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.454 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 ,.... SUBAREA AREA(ACRES) = 42.00 SUBAREA RUNOFF(CFS) = 70.75 EFFECTIVE AREA(ACRES) = 82.00 - AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 82.00 PEAK FLOW RATE(CFS) = 138.14 TC(MIN) = 18.84 °''W******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** „ FLOW PROCESS FROM NODE 306.10 TO NODE 303.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< » »>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES « «< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: f. TIME OF CONCENTRATION(MINUTES) = 18.84 RAINFALL INTENSITY (INCH. /HOUR) = 2.45 " EFFECTIVE STREAM AREA(ACRES) = 82.00 ThTAL STREAM AREA(ACRES) = 82.00 _EAK FLOW RATE(CFS) AT CONFLUENCE = 138.14 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) - 1 145.14 17.13 2.598 .58 80.00 2 138.14 18.84 2.454 .58 82.00 ,,AINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 280.41 154.56 2 272.90 162.00 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 280.41 TIME(MINUTES) = 17.130 EFFECTIVE AREA(ACRES) = 154.56 TOTAL AREA(ACRES) = 162.00 °********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 303.10 TO NODE 308.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « « < DEPTH OF FLOW IN 57.0 INCH PIPE IS 42.1 INCHES - PIPEFLOW VELOCITY(FEET /SEC.) = 20.0 UPSTREAM NODE ELEVATION = 1593.00 DOWNSTREAM NODE ELEVATION = 1587.00 FLOWLENGTH(FEET) = 300.00 MANNINGS N = .013 - ESTIMATED PIPE DIAMETER(INCH) = 57.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 280.41 - TRAVEL TIME(MIN.) = .25 TC(MIN.) = 17.38 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** - FLOW PROCESS FROM NODE 308.00 TO NODE 308.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.575 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 17.94 EFFECTIVE AREA(ACRES) = 164.56 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 172.00 "" PEAK FLOW RATE(CFS) = 295.22 TC(MIN) = 17.38 '********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 308.10 TO NODE 309.10 IS CODE = 3 • » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 57.0 INCH PIPE IS 41.2 INCHES • PIPEFLOW VELOCITY(FEET /SEC.) = 21.5 UPSTREAM NODE ELEVATION = 1587.00 41 " DOWNSTREAM NODE ELEVATION = 1580.00 "''LOWLENGTH(FEET) = 300.00 MANNINGS N = .013 .; STIMATED PIPE DIAMETER(INCH) = 57.00 NUMBER OF PIPES = 1 • PIPEFLOW THRU SUBAREA(CFS) = 295.22 TRAVEL TIME(MIN.) = .23 TC(MIN.) = 17.61 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** vs FLOW PROCESS FROM NODE 309.00 TO NODE 309.10 IS CODE = 8 '-» »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.555 SOIL CLASSIFICATION IS "A" • RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 17.76 EFFECTIVE AREA(ACRES) = 174.56 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 182.00 • PEAK FLOW RATE(CFS) = 309.95 TC(MIN) = 17.61 . k******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 309.10 TO NODE 310.10 IS CODE = 3 AL » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA ««< - » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 57.0 INCH PIPE IS 41.7 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 22.3 UPSTREAM NODE ELEVATION = 1580.00 DOWNSTREAM NODE ELEVATION = 1565.00 FLOWLENGTH(FEET) = 600.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 57.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 309.95 TRAVEL TIME(MIN.) = .45 TC(MIN.) = 18.06 k k***************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** _LOW PROCESS FROM NODE 310.00 TO NODE 310.10 IS CODE = 8 » »> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.517 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 34.82 EFFECTIVE AREA(ACRES) = 194.56 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 202.00 PEAK FLOW RATE(CFS) = 338.77 TC(MIN) = 18.06 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 310.10 TO NODE 311.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « « < N. DEPTH OF FLOW IN 57.0 INCH PIPE IS 46.0 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 22.1 UPSTREAM NODE ELEVATION = 1565.00 • DOWNSTREAM NODE ELEVATION = 1530.10 FLOWLENGTH(FEET) = 1450.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 57.00 NUMBER OF PIPES = 1 `IPEFLOW THRU SUBAREA(CFS) = 338.77 _RAVEL TIME(MIN.) = 1.09 TC(MIN.) = 19.15 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** * * ** FLOW PROCESS FROM NODE 311.00 TO NODE 311.10 IS CODE = , 8 /( t's » » > ADDITION OF SUBAREA TO MAINLINE PEAK FLOW< « < 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.429 OIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 „, SUBAREA AREA(ACRES) = 44.00 SUBAREA RUNOFF(CFS) = 73.16 EFFECTIVE AREA(ACRES) = 238.56 ,,, AVERAGED Fm(INCH/HR) = .582 I f i TOTAL AREA(ACRES) = 246.00 f 1 • PEAK FLOW RATE(CFS) = 396.65 TC(MIN) = 19.15 +********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 311.10 TO NODE 312.10 IS CODE = 5 » TRAPEZOIDAL - CHANNEL FLOW «« < » »>TRAVELTIME THRU SUBAREA«<« - UPSTREAM NODE ELEVATION = 1530.10 DOWNSTREAM NODE ELEVATION = 1528.00 CHAI4NEL LENGTH THRU SUBAREA(FEET) = 1250.00 - CHANNEL BASE(FEET)' = 8.00 "Z" FACTOR = 1.500 MANNINGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 5.50 - CHANNEL FLOW THRU SUBAREA(CFS) = 396.65 FLOW VELOCITY(FEET /SEC) = 7.34 FLOW DEPTH(FEET) = 3.90 a., TRAVEL TIME(MIN.) = 2.84 TC(MIN.) = 21.99 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** - FLOW PROCESS FROM NODE 312.00 TO NODE 312.10 IS CODE = 8 > » »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.236 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 76.00 SUBAREA RUNOFF(CFS) = 113.15 EFFECTIVE AREA(ACRES) = 314.56 AVERAGED Fnl(INCH /HR) = .582 TOTAL AREA(ACRES) = 322.00 - PEAK FLOW RATE(CFS) = 468.33 TC(MIN) = 21.99 .'********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 312.10 TO NODE 313.10 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL- CHANNEL FLOW « » » >TRAVELTIME THRU SUBAREA « «< UPSTREAM NODE ELEVATION = 1529.00 ". DOWNSTREAM NODE ELEVATION = 1525.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1400.00 CHANNEL BASE(FEET) = 8.00 "Z" FACTOR = 1.500 MANNINGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 5.50 "' CHANNEL FLOW THRU SUBAREA(CFS) = 468.33 FLOW VELOCITY(FEET /SEC) = 9.32 FLOW DEPTH(FEET) = 3.71 TRAVEL TIME(MIN.) = 2.50 TC(MIN.) = 24.49 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 313.00 TO NODE 313.10 IS CODE = 8 » ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 416 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.096 SOIL CLASSIFICATION IS "A" SIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 JBAREA AREA(ACRES) = 85.00 SUBAREA RUNOFF(CFS) = 115.83 EFFECTIVE AREA(ACRES) = 399.56 ,,, AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 407.00 - PEAK FLOW RATE(CFS) = 544.50 TC(MIN) = 24.49 .********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 313.10 TO NODE 314.10 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL - CHANNEL FLOW« «< - » THRU SUBAREA«<« UPSTREAM NODE ELEVATION = 1526.00 DOWNSTREAM • NODE ELEVATION = 1518.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1270.00 CHANNEL BASE(FEET) = 8.00 "Z" FACTOR = 1.500 MANNINGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 5.50 - CHANNEL FLOW THRU SUBAREA(CFS) = 544.50 FLOW VELOCITY(FEET %SEC) = 12.99 FLOW DEPTH(FEET) = 3.25 TRAVEL TIME(MIN.) = 1.63 TC(MIN.) = 26.12 k******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** - FLOW PROCESS FROM NODE 314.00 TO NODE 314.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.017 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 76.00 SUBAREA RUNOFF(CFS) = 98.13 EFFECTIVE AREA(ACRES) = 475.56 - AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 483.00 „,.v PEAK FLOW RATE(CFS) = 614.05 TC(MIN) = 26.12 ~'********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 314.10 TO NODE 315.10 IS CODE = 5 »» >COMPUTE TRAPEZOIDAL - CHANNEL FLOW « «< » » >TRAVELTIME THRU SUBAREA« «< UPSTREAM NODE ELEVATION = 1518.00 m DOWNSTREAM NODE ELEVATION = 1511.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1420.00 m CHANNEL BASE(FEET) = 8.00 "Z" FACTOR = 1.500 MANNINGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 5.50 ""' CHANNEL FLOW THRU SUBAREA(CFS) = 614.05 FLOW VELOCITY(FEET /SEC) = 12.32 FLOW DEPTH(FEET) = 3.68 • TRAVEL TIME(MIN.) = 1.92 TC(MIN.) = 28.05 k***************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 315.00 TO NODE 315.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « « < 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.933 SOIL CLASSIFICATION IS "A" *• RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA AREA(ACRES) = 85.00 SUBAREA RUNOFF(CFS) = 103.32 ^FFECTIVE AREA(ACRES) = 560.56 VERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 568.00 PEAK FLOW RATE(CFS) = 681.40 TC(MIN) = 28.05 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 315.10 TO NODE 315.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 28.05 RAINFALL INTENSITY (INCH. /HOUR) = 1.93 4 " EFFECTIVE STREAM AREA(ACRES) = 560.56 TOTAL STREAM AREA(ACRES) = 568.00 '"" PEAK FLOW RATE(CFS) AT CONFLUENCE = 681.40 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 316.00 TO NODE 316.11 IS CODE = 2 »> » RATIONAL METHOD INITIAL SUBAREA ANALYSIS« «< DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 3 -4 DWELLINGS /ACRE TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW - LENGTH = 1000.00 PSTREAM ELEVATION = 1664.50 1OWNSTREAM ELEVATION = 1611.50 ELEVATION DIFFERENCE = 53.00 TC = .412 *[( 1000.00 ** 3.00)/( 53.00)] ** .20 = 11.750 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.257 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA RUNOFF(CFS) = 12.04 TOTAL AREA(ACRES) = 5.00 PEAK FLOW RATE(CFS) = 12.04 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** - FLOW PROCESS FROM NODE 316.11 TO NODE 316.12 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 18.0 INCH PIPE IS 13.8 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 8.3 UPSTREAM NODE ELEVATION = 1611.50 DOWNSTREAM NODE ELEVATION = 1595.80 FLOWLENGTH(FEET) = 1000.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 12.04 TRAVEL TIME(MIN.) = 2.02 TC(MIN.) = 13.77 A+********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** F LOW PROCESS FROM NODE 316.10 TO NODE 316.12 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.962 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 5.00 SUBAREA RUNOFF(CFS) = 10.71 EFFECTIVE AREA(ACRES) = 10.00 WERAGED Fm(INCH/HR) = .582 )TAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 21.42 TC(MIN) = 13.77 ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 316.12 TO NODE 317.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 33.0 INCH PIPE IS 26.5'INCHES - PIPEFLOW VELOCITY(FEET /SEC.) = 4.2 UPSTREAM NODE ELEVATION = 1595.80 -- DOWNSTREAM NODE ELEVATION = 1595.50 FLOWLENGTH(FEET) = 167.00 MANNINGS N = .013 - ESTIMATED PIPE DIAMETER(INCH) = 33.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 21.42 - TRAVEL TIME(MIN.) = .66 TC(MIN.) = 14.43 :******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 317.00 TO NODE 317.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.879 - SOIL CLASSIFICATION IS "A" ?SIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 ..rtJBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 20.67 EFFECTIVE AREA(ACRES) = 20.00 - AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 41.35 TC(MIN) = 14.43 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** - FLOW PROCESS FROM NODE 317.10 TO NODE 318.10 IS CODE = 3 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< wft DEPTH OF FLOW IN 45.0 INCH PIPE IS 33.4 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 4.7 UPSTREAM NODE ELEVATION = 1595.50 DOWNSTREAM NODE ELEVATION = 1595.00 FLOWLENGTH(FEET) = 330.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 45.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 41.35 TRAVEL TIME(MIN.) = 1.17 TC(MIN.) = 15.60 „********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 318.00 TO NODE 318.10 IS CODE = 8 »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.748 ao SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 38.98 EFFECTIVE AREA(ACRES) = 40.00 40 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 40.00 "EAK FLOW RATE(CFS) = 77.96 (MIN) = 15.60 ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 318.10 TO NODE 319.10 IS CODE = 3 „, » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 57.0 INCH PIPE IS 42.7 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 5.5 UPSTREAM NODE ELEVATION = 1595.00 4 " DOWNSTREAM NODE ELEVATION = 1594.00 FLOWLENGTH(FEET) = 670.00 MANNINGS N = .013 4 " ESTIMATED PIPE DIAMETER(INCH) = 57.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 77.96 TRAVEL TIME(MIN.) = 2.04 TC(MIN.) = 17.64 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 319.00 TO NODE 319.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.552 : +■ SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 70.92 FFECTIVE AREA(ACRES) = 80.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 80.00 - PEAK FLOW RATE(CFS) = 141.85 TC(MIN) = 17.64 * ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** . FLOW PROCESS FROM NODE 319.10 TO NODE 320.10 IS CODE = 4 - » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA ««< » » >USING USER - SPECIFIED PIPESIZE««< DEPTH OF FLOW IN 57.0 INCH PIPE IS 36.5 INCHES 'v. PIPEFLOW VELOCITY(FEET /SEC.) = 11.9 UPSTREAM NODE ELEVATION = 1594.00 DOWNSTREAM NODE ELEVATION = 1584.00 FLOWLENGTH(FEET) = 1330.00 MANNINGS N = .013 • GIVEN PIPE DIAMETER(INCH) = 57.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 141.85 TRAVEL TIME(MIN.) = 1.87 TC(MIN.) = 19.51 r r********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 320.00 TO NODE 320.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.402 .SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA AREA(ACRES) = 80.00 SUBAREA RUNOFF(CFS) = 131.07 EFFECTIVE AREA(ACRES) = 160.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 160.00 - PEAK FLOW RATE(CFS) = 262.15 TC(MIN) = 19.51 -********+ r************************************ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 320.10 TO NODE 321.10 IS CODE = 4 » »> COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< • » »>USING USER - SPECIFIED PIPESIZE««< PIPEFLOW VELOCITY(FEET /SEC.) = 12.1 ,. UPSTREAM NODE ELEVATION = 1584.00 DOWNSTREAM NODE ELEVATION = 1574.00 • FLOWLENGTH(FEET) = 1430.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 63.00 NUMBER OF PIPES = 1 - PIPEFLOW THRU SUBAREA(CFS) = 262.15 TRAVEL TIME(MIN.) = 1.97 TC(MIN.) = 21.48 , ********************************************** * * * * * * * **r * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 321.00 TO NODE '321.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.268 SOIL CLASSIFICATION IS "A" • RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 86.00 SUBAREA RUNOFF(CFS) = 130.49 - EFFECTIVE AREA(ACRES) = 246.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 246.00 EAK FLOW RATE(CFS) = 373.25 ,.C(MIN) = 21.48 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 321.10 TO NODE 315.10 IS CODE = 4 » »> COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » »>USING USER - SPECIFIED PIPESIZE««< DEPTH OF FLOW IN 63.0 INCH PIPE IS 44.1 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 23.1 - UPSTREAM NODE ELEVATION = 1574.00 DOWNSTREAM NODE ELEVATION = 1511.00 • FLOWLENGTH(FEET) = 2650.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 63.00 NUMBER OF PIPES = 1 • PIPEFLOW THRU SUBAREA(CFS) = 373.2.5 TRAVEL TIME(MIN.) = 1.92 TC(MIN.) = 23.40 * ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 315.10 TO NODE 315.10 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(MINUTES) = 23.40 '`AINFALL INTENSITY (INCH. /HOUR) = 2.15 FFECTIVE STREAM AREA(ACRES) = 246.00 TOTAL STREAM AREA(ACRES) = 246.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 373.25 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE "" NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 681.40 28.05 1.933 .58 560.56 2 373.25 23.40 2.155 .58 246.00 N „ RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. .",,, SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE • NUMBER Q(CFS) AREA(ACRES) • 1 1001.97 806.56 2 1035.14 713.66 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 1035.14 TIME(MINUTES) = 23.398 '"" EFFECTIVE AREA(ACRES) = 713.66 TOTAL AREA(ACRES) = 814.00 '' k******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** „,.FLOW PROCESS FROM NODE 315.10 TO NODE '322.10 IS CODE = 5 - » » >COMPUTE TRAPEZOIDAL- CHANNEL FLOW««< » » >TRAVELTIME THRU SUBAREA««< UPSTREAM NODE ELEVATION = 1511.00 - DOWNSTREAM NODE ELEVATION = 1503.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1300.00 "" CHANNEL BASE(FEET) = 8.00 "Z" FACTOR = 1.500 MANNINGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 6.50 CHANNEL FLOW THRU SUBAREA(CFS) = 1035.14 LOW VELOCITY(FEET /SEC) = 15.31 FLOW DEPTH(FEET) = 4.56 TRAVEL TIME(MIN.) = 1.42 TC(MIN.) = 24.81 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 322.00 TO NODE 322.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.080 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 'I" SUBAREA AREA(ACRES) = 80.00 SUBAREA RUNOFF(CFS) = 107.85 EFFECTIVE AREA(ACRES) = 793.66 " AVERAGED Fm(INCH/HR) = .582 „„ TOTAL AREA(ACRES) = 894.00 PEAK FLOW RATE(CFS) = 1070.00 • TC(MIN) = 24.81 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** .• FLOW PROCESS FROM NODE 322.10 TO NODE 323.10 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL - CHANNEL FLOW ««< » » >TRAVELTIME THRU SUBAREA« <« UPSTREAM NODE ELEVATION = 1503.00 DOWNSTREAM NODE ELEVATION = 1491.00 HANNEL LENGTH THRU SUBAREA(FEET) = 1330.00 CHANNEL BASE(FEET) = 8.00 "Z" FACTOR = 1.500 MANNINGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 6.50 CHANNEL FLOW THRU SUBAREA(CFS) = 1070.00 . FLOW VELOCITY(FEET /SEC) = 17.80 FLOW DEPTH(FEET) = 4.20 TRAVEL TIME(MIN.) = 1.25 TC(MIN.) = 26.06 k******************************************** * ** * * * * * * * * * * * * * * * * * * * * * * * * * * ** `" 'MOW PROCESS FROM NODE 323.00 TO NODE 323.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.020 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 w SUBAREA AREA(ACRES) = 84.00 SUBAREA RUNOFF(CFS) = 108.69 EFFECTIVE AREA(ACRES) = 877.66 ..., AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 978.00 PEAK FLOW RATE(CFS) = 1135.68 TC(MIN) = 26.06 °^******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 323.10 TO NODE 323.10 IS CODE = 1 » »> DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE« CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 26.06 • RAINFALL INTENSITY (INCH. /HOUR) = 2.02 EFFECTIVE STREAM AREA(ACRES) = 877.66 . ., TOTAL STREAM AREA(ACRES) = 978.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 1135.68 -********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** LOW PROCESS FROM NODE 324.00 TO NODE 324.11 IS CODE = 2 » » >RATIONAL METHOD ,INITIAL SUBAREA ANALYSIS « «< DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 3 -4 DWELLINGS /ACRE TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW - LENGTH = 1000.00 - UPSTREAM ELEVATION = 1638.00 DOWNSTREAM ELEVATION = 1605.25 . ELEVATION DIFFERENCE = 32.75 TC = .412 *[( 1000.00 ** 3.00) /( 32.75)] ** .20 = 12.938 .* 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.074 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA RUNOFF(CFS) = 11.22 TOTAL AREA(ACRES) = 5.00 PEAK FLOW RATE(CFS) = d lc*************************************************************************** FLOW PROCESS FROM NODE 324.11 TO NODE 324.12 IS CODE = 3 »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA ««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< • DEPTH OF FLOW IN 18.0 INCH PIPE IS 11.0 INCHES PIPEFLOW VELOCITY(FEET /SEC. = 9.9 m UPSTREAM NODE ELEVATION = 1605.25 '')WNSTREAM NODE ELEVA 1. k - 15 25 `� LOWLENGTH(FEET) = 300.0Q- MANNINGS N = .013 ESTIMATED PIPE DIAME '(INCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA) = 11.22 TRAVEL TIME(MIN.) = ( 2.18 , � TC(MIN.) = 115.12 tai; 4 Ago ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 324.10 TO NODE 324.12 IS CODE = 8 » »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.800 • SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 5.00 SUBAREA RUNOFF(CFS) = 9.98 • EFFECTIVE AREA(ACRES) = 10.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 19.97 • TC(MIN) = 15.12 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 41 FLOW PROCESS FROM NODE 324.12 TO NODE 325.10 IS CODE = 3 °* » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA< « < s » » >USING COMPUTER- ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN ' - 24.0 INCH PIPE IS 18.8 INCHES lee PIPEFLOW VELOCITY(FEET /SEC.) = 7.6 „„ UPSTREAM NODE ELEVATION = 1572.50 DOWNSTREAM NODE ELEVATION = 1571.00 - FLOWLENGTH(FEET) = 167.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 19.97 TRAVEL TIME(MIN.) = .37 TC(MIN.) = 15.48 �. :****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 325.00 TO NODE 325.10 IS CODE = 8 » »> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.760 - SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 19.60 - EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 39.21 *�^ TC(MIN) = 15.48 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** '"" FLOW PROCESS FROM NODE 325.10 TO NODE 326.10 IS CODE = 3 ur » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA ««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « . DEPTH OF FLOW IN 33.0 INCH PIPE IS 22.3 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 9.2 . UPSTREAM NODE ELEVATION = 1571.00 DOWNSTREAM NODE ELEVATION = 1568.00 FLOWLENGTH(FEET) = 330.00 MANNINGS N = .013 `"'° STIMATED PIPE DIAMETER(INCH) = 33.00 NUMBER OF PIPES = 1 2IPEFLOW THRU SUBAREA(CFS) = 39.21 TRAVEL TIME(MIN.) = .60 TC(MIN.) = 16.08 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** aw , FLOW PROCESS FROM NODE 326.00 TO NODE 326.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.698 - SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 • SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 38.09 EFFECTIVE AREA(ACRES) = 40.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 40.00 PEAK FLOW RATE(CFS) = 76.18 TC(MIN) = 16.08 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** - FLOW PROCESS FROM NODE 326.10 TO NODE 327.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » » >USING COMPUTER- ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< DEPTH OF FLOW IN 42.0 INCH PIPE IS 31.1'INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 10.0 UPSTREAM NODE ELEVATION= 1568.00 a. DOWNSTREAM NODE ELEVATION = 1563.00 FLOWLENGTH(FEET) = 670.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 42.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 76.18 TRAVEL TIME(MIN.) = 1.12 TC(MIN.) = 17.20 ..********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 'LOW PROCESS FROM NODE 327.00 TO NODE 327.10 IS CODE = 8 _ _ T » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « « < 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.591 - SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 - SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 72.33 EFFECTIVE AREA(ACRES) = 80.00 AVERAGED Fm(INCH/HR) = .582 r,,., TOTAL AREA(ACRES) = 80.00 PEAK FLOW RATE(CFS) = 144.67 TC(MIN) = 17.20 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 42. FLOW PROCESS FROM NODE 327.10 TO NODE 328.10 IS CODE = 3 "" »» >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 51.0 INCH PIPE IS 37.7 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 12.9 wr UPSTREAM NODE ELEVATION = 1563.00 DOWNSTREAM NODE ELEVATION = 1550.00 • FLOWLENGTH(FEET) = 1350.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 51.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 144.67 - "RAVEL TIME(MIN.) = 1.75 TC(MIN.) = 18.95 m i ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 328.00 TO NODE 328.10 IS CODE = 8 » OF SUBAREA TO MAINLINE PEAK FLOW ««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.445 SOIL CLASSIFICATION IS "A" ESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 - 6UBAREA AREA(ACRES) = 80.00 SUBAREA RUNOFF(CFS) = 134.14 EFFECTIVE AREA(ACRES) = 160.00 AU AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 160.00 • PEAK FLOW RATE(CFS) = 268.29 ,,,„, TC(MIN) = 18.95 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** m• FLOW PROCESS FROM NODE 328.10 TO NODE 323.10 IS CODE = 3 • » »> COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 54.0 INCH PIPE IS 41.5 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 20.4 UPSTREAM NODE ELEVATION = 1550.00 • DOWNSTREAM NODE ELEVATION = 1491.00 FLOWLENGTH(FEET) = 2650.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 54.00 NUMBER OF PIPES = 1 �, PIPEFLOW THRU SUBAREA(CFS) = 268.29 TRAVEL TIME(MIN.) = 2.16 TC(MIN.) = 21.11 .„********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 323.10 TO NODE 323.10 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(MINUTES) = 21.11 RAINFALL INTENSITY (INCH. /HOUR) = 2.29 EFFECTIVE STREAM AREA(ACRES) = 160.00 - TOTAL STREAM AREA(ACRES) = 160.00 - PEAK FLOW RATE(CFS) AT CONFLUENCE = 268.29 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE - NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) • 1 1135.68 26.06 2.020 .58 877.66 2 268.29 21.11 2.292 .58 160.00 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO mm CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 45 1 1361.29 1037.66 2 1362.39 871.03 mg COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 1362.39 TIME(MINUTES) = 21.111 `" EFFECTIVE AREA(ACRES) = 871.03 "'OTAL AREA(ACRES) = 1138.00 ' i ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** - FLOW PROCESS FROM NODE 323.10 TO NODE 329.10 IS CODE = 5 .. » »> COMPUTE TRAPEZOIDAL- CHANNEL FLOW « «< • » » >TRAVELTIME THRU SUBAREA« «< UPSTREAM NODE ELEVATION = 1491.00 JWNSTREAM NODE ELEVATION = 1478.00 C LENGTH THRU SUBAREA(FEET) = 1300.00 CHANNEL BASE(FEET) = 8.00 "Z" FACTOR = 1.500 • MANNINGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 7.00 CHANNEL FLOW THRU SUBAREA(CFS) = 1362.39 " FLOW VELOCITY(FEET /SEC) = 19.66 FLOW DEPTH(FEET) = 4.63 TRAVEL TIME(MIN.) = 1.10 TC(MIN.) = 22.21 w. k******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 00 FLOW PROCESS FROM NODE 329.00 TO NODE 329.10 IS CODE = 8 �.. » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< o' 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.223 SOIL CLASSIFICATION IS "A" °•° RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 80.00 SUBAREA RUNOFF(CFS) = 118.14 '" EFFECTIVE AREA(ACRES) = 951.03 AVERAGED Fm(INCH /HR) = .582 """ TOTAL AREA(ACRES) -= 1218.00 PEAK FLOW RATE(CFS) = 1404.42 TC(MIN) = 22.21 • ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 329.10 TO NODE 330.10 IS CODE = 5 » »COMPUTE TRAPEZOIDAL - CHANNEL FLOW « «< » »TRAVELTIME THRU SUBAREA< - UPSTREAM NODE ELEVATION = 1478.00 DOWNSTREAM NODE ELEVATION = 1463.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1330.00 CHANNEL BASE(FEET) = 8.00 "Z" FACTOR = 1.500 • MANNINGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 7.00 - CHANNEL FLOW THRU SUBAREA(CFS) = 1404.42 FLOW VELOCITY(FEET /SEC) = 20.80 FLOW DEPTH(FEET) = 4.55 TRAVEL TIME(MIN.) = 1.07 TC(MIN.) = 23.28 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** - FLOW PROCESS FROM NODE 330.00 TO NODE 330.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< *" 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.161 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 81.00 SUBAREA RUNOFF(CFS) = 115.12 EFFECTIVE AREA(ACRES) = 1032.03 m AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 1299.00 ▪ PEAK FLOW RATE(CFS) = 1466.80 TC(MIN) = 23.28 0 k ****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 330.10 TO NODE 330.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: «■ TIME OF CONCENTRATION(MINUTES) = 23.28 RAINFALL INTENSITY (INCH. /HOUR) = 2.16 "` RFFECTIVE STREAM AREA(ACRES) = 1032.03 ,OTAL STREAM AREA(ACRES) = 1299.00 -_ PEAK FLOW RATE(CFS) AT CONFLUENCE = 1466.80 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 331.00 TO NODE 331.11 IS CODE = 2 » » >RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 3 -4 DWELLINGS /ACRE TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)]** .20 A. INITIAL SUBAREA FLOW- LENGTH = 1000.00 UPSTREAM ELEVATION = 1614.00 DOWNSTREAM ELEVATION = 1581.00 ELEVATION DIFFERENCE = 33.00 "" TC = ..412 *[( 1000.00 ** 3.00)/( 33.00)] ** .20 = 12.918 25 YEAR RAINFALL INTENSITY(INCH /HOUR) =' 3.077 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 "DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA RUNOFF(CFS) = 11.23 TOTAL AREA(ACRES) = 5.00 PEAK FLOW RATE(CFS) = 11.23 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 331.11 TO NODE 331.12 IS CODE = 3 - » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » »USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< ESTIMATED PIPE DIAMETER(INCH) INCREASED TO 18.000 - DEPTH OF FLOW IN 18.0 INCH PIPE IS 10.1 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 11.0 UPSTREAM NODE ELEVATION = 1581.00 DOWNSTREAM NODE ELEVATION = 1548.00 FLOWLENGTH(FEET) = 1000.00 MANNINGS N = .013 �,. ESTIMATED PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 11.23 .. TRAVEL TIME(MIN.) = 1.51 TC(MIN.) = 14.43 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** "' FLOW PROCESS FROM NODE 331.10 TO NODE 331.12 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.879 40 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 ,., SUBAREA AREA(ACRES) = 5.00 SUBAREA RUNOFF(CFS) = 10.34 EFFECTIVE AREA(ACRES) = 10.00 A. AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 10.00 ^■ PEAK FLOW RATE(CFS) = 20.68 TC(MIN) = 14.43 (****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 331.12 TO NODE 332.10 IS CODE = 3 » PIPEFLOW TRAVELTIME THRU SUBAREA««< » » > USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 24.0 INCH PIPE IS 17.0 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 8.7 'UPSTREAM NODE ELEVATION = 1548.00 y )WNSTREAM NODE ELEVATION = 1546.00 FLOWLENGTH(FEET) = 165.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 20.68 TRAVEL TIME(MIN.) = .32 TC(MIN.) = 14.75 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** - FLOW PROCESS FROM NODE 332.00 TO NODE 332.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< - 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.842 SOIL CLASSIFICATION IS "A" -° RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 20.34 - EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH /HR) = '.582 TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 40.68 TC(MIN) = 14.75 _********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 332.10 TO NODE 333.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« <« - » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) ««< .JEPTH OF FLOW IN 33.0 INCH PIPE IS 22.9 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 9.2 UPSTREAM NODE ELEVATION = 1546.00 DOWNSTREAM NODE ELEVATION = 1543.00 FLOWLENGTH(FEET) = 330.00 MANNINGS N = .013 - ESTIMATED PIPE DIAMETER(INCH) = 33.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 40.68 - TRAVEL TIME(MIN.) = .59 TC(MIN.) = 15.34 k******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 40 FLOW PROCESS FROM NODE 333.00 TO NODE 333.10 IS CODE = 8 - » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.775 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 .• SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 39.48 EFFECTIVE AREA(ACRES) = 40.00 ,. AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 40.00 01 + PEAK FLOW RATE(CFS) = 78.97 TC(MIN) = 15.34 w 0 *******_************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** S LOW PROCESS FROM NODE 333.10 TO NODE 334.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA ««< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « mer- DEPTH OF FLOW IN 39.0 INCH PIPE IS 30.6 INCHES PIPEFLOW VELOCITY(FEET /.SEC.) = 11.3 ,.. UPSTREAM NODE ELEVATION = 1543.00 DOWNSTREAM NODE ELEVATION = 1536.00 FLOWLENGTH(FEET) = 670.00 MANNINGS N = .013 STIMATED PIPE DIAMETER(INCH) = 39.00 NUMBER OF PIPES = 1 - PIPEFLOW THRU SUBAREA(CFS) = 78.97 TRAVEL TIME(MIN.) = .99 TC(MIN.) = 16.33 . "************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ate * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 334.00 TO NODE 334.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.673 SOIL CLASSIFICATION IS "A" r•• RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 36.00 SUBAREA RUNOFF(CFS) = 67.76 *' EFFECTIVE AREA(ACRES) = 76.00 AVERAGED Fmm(INCH /HR) = .582 - TOTAL AREA(ACRES) = 76.00 PEAK FLOW RATE(CFS) = 143.05 - TC(MIN) = 16.33 - ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 334.10 TO NODE 335.10 IS CODE = 3 » » > COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA ««< �., » » > USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « « < - DEPTH OF FLOW IN 48.0 INCH PIPE IS 34.9 INCHES 'IPEFLOW VELOCITY(FEET /SEC.) = 14.6 UPSTREAM NODE ELEVATION = 1536.00 DOWNSTREAM NODE ELEVATION = 1518.00 - FLOWLENGTH(FEET) = 1330.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 48.00 NUMBER OF PIPES = 1 - PIPEFLOW THRU SUBAREA(CFS) = 143.05 TRAVEL TIME(MIN.) = 1.52 TC(MIN.) = 17.85 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** - FLOW PROCESS FROM NODE 335.00 TO NODE 335.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.535 SOIL CLASSIFICATION IS "A" • RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA AREA(ACRES) = 80.00 SUBAREA RUNOFF(CFS) = 140.60 "" EFFECTIVE AREA(ACRES) = 156.00 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 156.00 PEAK FLOW RATE(CFS) = 274.16 TC(MIN) = 17.85 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 335.10 TO NODE 330.10 IS CODE = 3 a » »COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< -» »USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) ««< DEPTH OF FLOW IN 54.0 INCH PIPE IS 43.9 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 19.8 UPSTREAM NODE ELEVATION = 1518.00 AV DOWNSTREAM NODE ELEVATION = 1463.00 .. FLOWLENGTH(FEET) = 2650.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 54.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 274.16 'RAVEL TIME(MIN.) = 2.23 TC(MIN.) = 20.08 .•`********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 330.10 TO NODE 330.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE« «< » » >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES « «< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: arr TIME OF CONCENTRATION(MINUTES) = 20.08 RAINFALL INTENSITY (INCH. /HOUR) = 2.36. ... EFFECTIVE STREAM AREA(ACRES) = 156.00 TOTAL STREAM AREA(ACRES) = 156.00 ow PEAK FLOW RATE(CFS) AT CONFLUENCE = 274.16 - CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE *" NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 1466.80 23.28 2.161 .58 1032.03 2 274.16 20.08 2.362 .58 156.00 - RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. .4 SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 1710.07 1188.03 2 1699.97 1046.16 - COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 1710.07 TIME(MINUTES) = 23.279 "" EFFECTIVE AREA(ACRES) = 1188.03 TOTAL AREA(ACRES) = 1455.00 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 330.10 TO NODE 336.10 IS CODE = 5 » » > COMPUTE TRAPEZOIDAL - CHANNEL FLOW ««< » » >TRAVELTIME THRU SUBAREA««< UPSTREAM NODE ELEVATION = 1463.00 " DOWNSTREAM NODE ELEVATION = 1447.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1330.00 "" CHANNEL BASE(FEET) = 8.00 "Z" FACTOR = 1.500 MANNINGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 7.00 CHANNEL FLOW THRU SUBAREA(CFS) = 1710.07 FLOW VELOCITY(FEET /SEC) = 22.31 FLOW DEPTH(FEET) = 4.96 TRAVEL TIME(MIN.) = .99 TC(MIN.) = 24.27 .,********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 336.00 TO NODE 336.10 IS CODE = 8 - » »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.108 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 80.00 SUBAREA RUNOFF(CFS) = 109.85 EFFECTIVE AREA(ACRES) = 1268.03 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 1535.00 PEAK FLOW RATE(CFS) = 1741.14 C(MIN) = 24.27 ` r******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 336.10 TO NODE 337.10 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL - CHANNEL FLOW « «< » » >TRAVELTIME THRU SUBAREA ««< UPSTREAM NODE ELEVATION = 1447.00 - DOWNSTREAM NODE ELEVATION = 1431.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1330,.00 - CHANNEL BASE(FEET) = 8.00 "Z" FACTOR= 1.500 MANNINGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 7.00 - CHANNEL FLOW THRU SUBAREA(CFS) = 1741.14 FLOW VELOCITY(FEET /SEC) = 22.53 FLOW DEPTH(FEET) = 4.99 TRAVEL TIME(MIN.) = .98 TC(MIN.) = 25.26 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** `""' FLOW PROCESS FROM NODE 337.00 TO NODE 337.10 IS CODE = 8 > »> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.058 ... SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 .- SUBAREA AREA(ACRES) = 82.00 SUBAREA RUNOFF(CFS) = 108.93 'FFECTIVE AREA(ACRES) = 1350.03 0VERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 1617.00 - PEAK FLOW RATE(CFS) = 1793.41 TC(MIN) = 25.26 . ,********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 337.10 TO NODE 337.10 IS CODE = 1 - » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « w.. CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 25.26 ®•* RAINFALL INTENSITY (INCH. /HOUR) = 2.06 EFFECTIVE STREAM AREA(ACRES) = 1350.03 A TOTAL STREAM AREA(ACRES) = 1617.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 1793.41 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 338.00 TO NODE 338.11 IS CODE = 2 » » >RATIONAL METHOD INITIAL SUBAREA ANALYSIS« «< .., DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 3 -4 DWELLINGS /ACRE TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 "`""`NITIAL SUBAREA FLOW- LENGTH = 1000.00 JPSTREAM ELEVATION = 1574.00 DOWNSTREAM ELEVATION = 1544.50 ELEVATION DIFFERENCE = 29.50 TC = .412 *[( 1000.00 ** 3.00)/( 29.50)] ** .20 = 13.211 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.036 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA RUNOFF(CFS) = 11.04 TOTAL AREA(ACRES) = 5.00 PEAK FLOW RATE(CFS) = 11.04 r******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ' FLOW PROCESS FROM NODE 338.11 TO NODE 338.12 IS CODE = 3 - » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< » COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< DEPTH OF FLOW IN 18.0 INCH PIPE IS 10.3 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 10.5 .w. UPSTREAM NODE ELEVATION = 1544.50 DOWNSTREAM NODE ELEVATION = 1515.00 FLOWLENGTH(FEET) = 1000.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES = 1 °"' PIPEFLOW THRU SUBAREA(CFS) = 11.04 TRAVEL TIME(MIN.) = 1.59 TC(MIN.) = 14.80 ''*****4 r*************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 338.10 TO NODE 338.12 IS CODE = 8 > »> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.836 SOIL CLASSIFICATION IS "A" • RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 5.00 SUBAREA RUNOFF(CFS) = 10.14 ". EFFECTIVE AREA(ACRES) = 10.00 'VERAGED Fm(INCH /HR) = .582 ,OTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 20.29 TC(MIN) = 14.80 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** "" FLOW PROCESS FROM NODE 338.12 TO NODE 339.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< - » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< - DEPTH OF FLOW IN 24.0 INCH PIPE IS 16.9 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 8.6 UPSTREAM NODE ELEVATION = 1515.00 DOWNSTREAM NODE ELEVATION = 1513.00 • FLOWLENGTH(FEET) = 167.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 24.00 NUMBER OF PIPES = 1 • PIPEFLOW THRU SUBAREA(CFS) = 20.29 TRAVEL TIME(MIN.) = .32 TC(MIN.) = 15.12 * ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** r FLOW PROCESS FROM NODE 339.00 TO NODE 339.10 IS CODE = 8 • » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 4 " 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.800 "OIL' CLASSIFICATION IS "A" cESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 19.96 EFFECTIVE AREA(ACRES) = 20.00 - AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 39.92 �+. TC(MIN) = 15.12 ****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** '" FLOW PROCESS FROM NODE 339.10 TO NODE 340.10 IS CODE = 3 • » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 27.0 INCH PIPE IS 17.7 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 14.5 ,,, UPSTREAM NODE ELEVATION = 1513.00 DOWNSTREAM NODE ELEVATION = 1508.00 - FLOWLENGTH(FEET) = 167.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 27.00 ,NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 39.92 TRAVEL TIME(MIN.) = .19 TC(MIN.) = 15.31 -********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE •340.00 TO NODE '340.10 IS. CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.779 SOIL CLASSIFICATION IS "A" - RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 39.54 • EFFECTIVE AREA(ACRES) = 40.00 AVERAGED Fm(INCH/HR) = .582 -- TOTAL AREA(ACRES) = 40.00 EAK FLOW RATE(CFS) = 79.08 �C(MIN) = 15.31 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** - FLOW PROCESS FROM NODE 340.10 TO NODE 341.10 IS CODE = 3 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< - DEPTH OF FLOW IN 30.0 INCH PIPE IS 22.3 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 20.2 - UPSTREAM NODE ELEVATION = 1508.00 DOWNSTREAM NODE ELEVATION = 1500.00 - FLOWLENGTH(FEET) = 167.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 30.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 79.08 TRAVEL TIME(MIN.) = .14 TC(MIN.) = 15.45 .ar ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 341.00 TO NODE 341.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< • 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.764 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 ' UBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 78.55 LFFECTIVE AREA(ACRES) = 80.00 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 80.00 PEAK FLOW RATE(CFS) = 157.09 TC(MIN) = 15.45 r ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 7LOW PROCESS FROM NODE 341.10 TO NODE 342.10 IS CODE = 3 • » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< ar » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 48.0 INCH PIPE IS 39.0 INCHES - PIPEFLOW VELOCITY(FEET /SEC.) = 14.4 „„ UPSTREAM NODE ELEVATION = 1500.00 DOWNSTREAM NODE ELEVATION = 1483.00 FLOWLENGTH(FEET) = 1330.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 48.00 NUMBER OF PIPES = 1 •+ PIPEFLOW THRU SUBAREA(CFS) = 157.09 TRAVEL TIME(MIN.) = 1.54 TC(MIN.) = .16.99 r******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 342.00 TO NODE 342.10 IS CODE = 8 » OF SUBAREA TO MAINLINE PEAK FLOW««< 25 YEAR RAINFALL'INTENSITY(INCH /HOUR) = 2.610 SOIL CLASSIFICATION IS "A" • RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 80.00 SUBAREA RUNOFF(CFS) = 146.04 EFFECTIVE AREA(ACRES) = 160.00 AVERAGED Fm(INCH /HR) = .582 ... TOTAL AREA(ACRES) = 160.00 PEAK FLOW RATE(CFS) = 292.08 TC(MIN) = 16.99 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** °°' FLOW PROCESS FROM NODE 342.10 TO NODE 337.10 IS CODE = 3 - » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « « < » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< • DEPTH OF FLOW IN 57.0 INCH PIPE IS 44.0 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 19.9 m . UPSTREAM NODE ELEVATION = 1483.00 DOWNSTREAM NODE ELEVATION = 1431.00 • FLOWLENGTH(FEET) = 2650.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 57.00 NUMBER OF PIPES = 1 • PIPEFLOW THRU SUBAREA(CFS) = 292.08 TRAVEL TIME(MIN.) = 2.22 TC(MIN.) = 19.21 "' k******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 337.10 TO NODE 337.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< »» >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES « «< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: a. TIME OF CONCENTRATION(MINUTES) = 19.21 RAINFALL INTENSITY (INCH. /HOUR) = 2.42 4r EFFECTIVE STREAM AREA(ACRES) = 160.00 'OTAL STREAM AREA(ACRES) = 160.00 _EAK FLOW RATE(CFS) AT CONFLUENCE = 292.08 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) • 1 1793.41 25.26 2.058 .58 1350.03 2 292.08 19.21 2.425 .58 160.00 \INFALL INTENSITY AND TIME OF CONCENTRATION RATIO - .: ONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: vi' STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 2027.33 1510.03 2 1995.58 1187.01 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 2027.33 TIME(MINUTES) = 25.256 EFFECTIVE AREA(ACRES) = 1510.03 TOTAL AREA(ACRES) = 1777.00 .********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCES$ FROM NODE 337.10 TO NODE 343.10 IS CODE = 5 grise » » >COMPUTE TRAPEZOIDAL - CHANNEL FLOW « «<. °' » » >TRAVELTIME THRU SUBAREA««< "" UPSTREAM NODE ELEVATION = 1431.00 DOWNSTREAM NODE ELEVATION = 1417.00 - CHANNEL LENGTH THRU SUBAREA(FEET) = 1370.00 CHANNEL BASE(FEET) = 8.00 "Z" FACTOR = 1.500 MANNINGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 7.50 - . CHANNEL FLOW THRU SUBAREA(CFS) = 2027.33 FLOW VELOCITY(FEET /SEC) = 22.01 FLOW DEPTH(FEET) = 5.61 - TRAVEL TIME(MIN.) = 1.04 TC(MIN.) = 26.29 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** • FLOW PROCESS FROM NODE 343.00 TO NODE 343.10 IS CODE = 8 • » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< - 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.009 e. SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 83.00 SUBAREA RUNOFF(CFS) = 106.59 EFFECTIVE AREA(ACRES) = 1593.03 . AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 1860.00 . PEAK FLOW RATE(CFS) = 2045.81 TC(MIN) = 26.29 . ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 343.10 TO NODE 344.10 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL - CHANNEL FLOW««< • » » >TRAVELTIME THRU SUBAREA ««< Ar UPSTREAM NODE ELEVATION = 1417.00 DOWNSTREAM NODE ELEVATION = 1405.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1300.00 40 CHANNEL BASE(FEET) = 8.00 "Z" FACTOR = 1.500 INNINGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 8.00 dANNEL FLOW THRU SUBAREA(CFS) = 2045.81 FLOW VELOCITY(FEET /SEC) = 21.31 FLOW DEPTH(FEET) = 5.77 TRAVEL TIME(MIN.) = 1.02 TC(MIN.) = 27.31 * ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 344.00 TO NODE 344.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.964 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 80.00 SUBAREA RUNOFF(CFS) = 99.48 .. EFFECTIVE AREA(ACRES) = 1673.03 AVERAGED Fm(INCH /HR) = .582 ""' TOTAL AREA(ACRES) = 1940.00 PEAK FLOW RATE(CFS) = 2080.48 TC(MIN) = 27.31 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 344.10 TO NODE 345.10 IS CODE = 5 .ter » » >COMPUTE TRAPEZOIDAL - CHANNEL FLOW « «< » » >TRAVELTIME THRU SUBAREA« <« - Aug UPSTREAM NODE ELEVATION = 1405.00 DOWNSTREAM NODE ELEVATION = 1394.00 .. CHANNEL LENGTH THRU SUBAREA(FEET) = 1300.00 CHANNEL BASE(FEET) = 8.00 "Z" FACTOR = 1.500 MANNINGS FACTOR =. .015 MAXIMUM DEPTH(FEET) = 8.00 CHANNEL FLOW THRU SUBAREA(CFS) = 2080.48 °" FLOW VELOCITY(FEET /SEC) = 20.64 FLOW DEPTH(FEET) = 5.95 TRAVEL TIME(MIN.) = 1.05 TC(MIN.) = 28.36 "*•- 4 ****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** LOW PROCESS FROM NODE 345.00 TO NODE 345.10 IS CODE = 8 �.. » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.920 SOIL CLASSIFICATION IS "A" - RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 64.00 SUBAREA RUNOFF(CFS) = 77.06 EFFECTIVE AREA(ACRES) = 1737.03 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 2004.00 • PEAK FLOW RATE(CFS) = 2091.38 TC(MIN) = 28.36 ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 345.10 TO NODE 435.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: 1 " TIME OF CONCENTRATION(MINUTES) = 28.36 RAINFALL INTENSITY (INCH. /HOUR) = 1.92 EFFECTIVE STREAM AREA(ACRES) = 1737.03 TOTAL STREAM AREA(ACRES) = 2004.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 2091.38 ****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 346.00 TO NODE 346.11 IS CODE = 2 » » >RATIONAL METHOD INITIAL SUBAREA ANALYSIS « «< DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 3 -4 DWELLINGS /ACRE TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW- LENGTH = 1000.00 PSTREAM ELEVATION = 1536.00 .DOWNSTREAM ELEVATION = 1508.00 ELEVATION DIFFERENCE = 28.00 • TC = .412 *[( 1000.00 ** 3.00)/( 28.00)] ** .20 = 13.350 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.017 - SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 " SUBAREA RUNOFF(CFS) = 10.96 TOTAL AREA(ACRES) = 5.00 PEAK FLOW RATE(CFS) = 10.96 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 346.11 TO NODE 346.12 IS CODE = 3 - » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< » » >USING COMPUTER- ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN. 18.0 INCH PIPE IS 10.5 ,INCHES PIPE VELOCITY(FEET /SEC.) = 10.3 UPSTREAM NODE ELEVATION = 1508.00 °°- DOWNSTREAM NODE ELEVATION = 1480.00 FLOWLENGTH(FEET) = 1000.00 MANNINGS N = .013 ' ESTIMATED PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 10.96 TRAVEL TIME(MIN.) = 1.62 TC(MIN.) 14.-97 **************************************************************************** - LOW PROCESS FROM NODE 346.10 TO NODE 346.12 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« « < 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.817 - SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA AREA(ACRES) = 5.00 SUBAREA RUNOFF(CFS) = 10.06 EFFECTIVE AREA(ACRES) = 10.00 - AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 10.00 ' PEAK FLOW RATE(CFS) = 20.11 TC(MIN) = 14.97 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 41. FLOW PROCESS FROM NODE 346.12 TO NODE 347.10 IS CODE = 3 • » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 21.0 INCH PIPE IS 16.6 INCHES • PIPEFLOW VELOCITY(FEET /SEC.) = 9.9 UPSTREAM NODE ELEVATION = 1480.00 DOWNSTREAM NODE ELEVATION = 1477.00 FLOWLENGTH(FEET) = 165.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 21.00 NUMBER OF PIPES = 1 m PIPEFLOW THRU SUBAREA(CFS) = 20.11 , TRAVEL TIME(MIN.) = .28 TC(MIN.) = 15.25 ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 347.00 TO NODE 347.10 IS CODE = 8 » »> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.786 SOIL CLASSIFICATION IS "A" ESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 .UBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 19.83 EFFECTIVE AREA(ACRES) = 20.00 �' AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 20.00 '" PEAK FLOW RATE(CFS) = 39.66 TC(MIN) = 15.25 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** , FLOW PROCESS FROM NODE. 347.10 TO NODE 348.10 IS CODE = 3 - » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< DEPTH OF FLOW IN 33.0 INCH PIPE IS 22.6 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 9.2 UPSTREAM NODE ELEVATION = 1477.00 - DOWNSTREAM NODE ELEVATION = 1471.00 - FLOWLENGTH(FEET) = 670.00 MANNINGS N = .013 - ESTIMATED PIPE DIAMETER(INCH) = 33.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 39.66 TRAVEL TIME(MIN.) = 1.22 TC(MIN.) = 16.47 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 348.00 TO NODE 348.10 IS CODE = 8 » »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.660 - SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 37.40 EFFECTIVE AREA(ACRES) = 40.00 - AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 40.00 • PEAK FLOW RATE(CFS) = 74.80 TC(MIN) = 16.47 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** . FLOW PROCESS FROM NODE 348.10 TO NODE 349.10 IS CODE = 3 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) ««< .1= DEPTH OF FLOW IN 39.0 INCH PIPE IS 28.4 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 11.5 f �� -^ "` ` UPSTREAM NODE ELEVATION = 1471.00 7j `-- "" DOWNSTREAM NODE ELEVATION .�.._�145.4. - FLOWLENGTH(FEET) = -1150.0Q MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 39.00 NUMBER OF PIPES = 1 • PIPEFLOW THRU SUBAREA(CFS) = 74.80 TRAVEL TIME(MIN.) = 1.95 TC(MIN.) = 18.42 ****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 349.00 TO NODE 349.10 IS CODE = 8 » » > ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< m . 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.487 m SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 31.00 SUBAREA RUNOFF(CFS) = 53.15 FFECTIVE AREA(ACRES) = 71.00 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 71.00 "' PEAK FLOW RATE(CFS) = 121.74 TC(MIN) = 18.42 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 349.10 TO NODE 345.10 IS CODE = 5 m » » > COMPUTE TRAPEZOIDAL - CHANNEL FLOW ««< » » >TRAVELTIME THRU SUBAREA« «< UPSTREAM NODE ELEVATION = 1456.00 lo ' mo DOWNSTREAM NODE ELEVATION = 1394.00.- CHANNEL LENPTH THRU SUBAREA(FEET) = "N3200.00 .... CHANNEL CHANNEL BASE(FEET) = 4.00 "Z" FACTO1.`=` 1.500 MANNINGS FACTOR = .015 MAXIMUM DEPTH {FEES, = 2.50 - CHANNEL FLOW THRU SUBAREA(CFS) = FLOW VELOCITY(FEET /SEC) = 13.41 FLOW DEPTH(FEET) =2 1.46 ) - TRAVEL TIME (MIN.) -= 3.98 TC(MIN.) = 22.40 1 'I f � „ ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 3 TO NODE 345.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE« «< . . » » >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES« , ONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 22.40 - RAINFALL INTENSITY (INCH. /HOUR) = 2.21 EFFECTIVE STREAM AREA(ACRES) = 71.00 ." TOTAL STREAM AREA(ACRES) = 71.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 121.74 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 2091.38 28.36 1.920 .58 1737.03 2 121.74 22.40 2.212 .58 71.00 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: "' STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 2191.30 1808.03 2 2134.01 1442.78 m , COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 2191.30 TIME(MINUTES) = 28.359 EFFECTIVE AREA(ACRES) = 1808.03 TOTAL AREA(ACRES) = 2075.00 ****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 345.10 TO NODE 350.00 IS CODE = 5 » »> COMPUTE TRAPEZOIDAL- CHANNEL FLOW« » »>TRAVELTIME THRU SUBAREA««< . UPSTREAM NODE ELEVATION = 1394.00 DOWNSTREAM NODE ELEVATION = 1375.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1500.00 HANNEL BASE(FEET) = 8.00 "Z" FACTOR = 1.500 - FIANNINGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 8.00 CHANNEL FLOW THRU SUBAREA(CFS) = 2191.30 4. FLOW VELOCITY(FEET /SEC) = 24.41 FLOW DEPTH(FEET) = 5.52 TRAVEL TIME(MIN.) = 1.02 TC(MIN.) = 29.38 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 350.00 TO NODE 252.10 IS CODE = 5 • » » > COMPUTE TRAPEZOIDAL - CHANNEL FLOW« « < » » >TRAVELTIME THRU SUBAREA« «< UPSTREAM NODE ELEVATION = 1375.00 Air DOWNSTREAM NODE ELEVATION = 1320.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 3000.00 °� CHANNEL BASE(FEET) = 8.00 "Z" FACTOR = 1.500 - MANNINGS FACTOR = .015 - MAXIMUM DEPTH(FEET) = 8.00 """' CHANNEL FLOW THRU SUBAREA(CFS) = 2191.30 FLOW VELOCITY(FEET /SEC)'= 27.89 FLOW DEPTH(FEET) = 5.05 TRAVEL TIME -= 1.79 TC(MIN.) = 31.18 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 252.10 TO NODE 252.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « « < - » » >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES ««< .: ONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 31.18 - RAINFALL INTENSITY (INCH. /HOUR) = 1.81 EFFECTIVE STREAM AREA(ACRES) = 1808.03 "°" TOTAL STREAM AREA(ACRES) = 2075.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 2191.30 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 2191.30 31.18 1.814 .58 1808.03 . RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 1 STREAMS. 1 " SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE A' NUMBER Q(CFS) AREA(ACRES) 1 2191.30 1808.03 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: • PEAK FLOW RATE(CFS) = 2191.30 TIME(MINUTES) = 31.176 ,i EFFECTIVE AREA(ACRES) = 1808.03 TOTAL AREA(ACRES) = 2075.00 END OF STUDY SUMMARY: be TOTAL AREA(ACRES) = 2075.00 ""AFFECTIVE AREA(ACRES). = 1808.03 .EAK FLOW RATE(CFS) = 2191.30 411 END OF RATIONAL METHOD ANALYSIS .,,,******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE (Reference: 1986 SAN BERNARDINO CO. HYDROLOGY CRITERION) Copyright 1983,86,87 Advanced Engineering Software (aes) Ver. 4.1C Release Date: 5/11/87 Serial # I00908 Especially prepared for: HALL & FOREMAN i6 � � � L * * * * * * * * * * * * * * * * * * * * * * * * ** DESCRIPTION OF STUDY * * * * * * * * * * * * * * * * * * * * * * * * ** / N. FONTANA MASTER S.D. PLAN: LINE C WITH LATERALS - ALONG HIGHLAND AVE. * / L Q 100 -YEAR, DESIGN Q FOR LINE C (HIGHLAND AVE.) REISSUED WITHOUT CHANGES * f k B. EVERSON - J.N. 3547 - LINEC.100 (INPUT), LINEC.10T (OUTPUT) * / :. *� ** * * * * * * * * * * * * * * * * * * * * * ** **********************************************/ 4. FILE NAME: LINEC.100 TIME /DATE OF STUDY: 13:28 10/14/1993 USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: -- *TIME -OF- CONCENTRATION MODEL*- - USER SPECIFIED STORM EVENT(YEAR) = 100.00 - SPECIFIED MINIMUM PIPE SIZE(INCH) = 18.00 SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE = .95 *USER - DEFINED LOGARITHMIC INTERPOLATION USED FOR RAINFALL* 10 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.050 100 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.550 - - - COMPUTED RAINFALL INTENSITY DATA: STORM EVENT = 100.00 1 -HOUR INTENSITY(INCH /HOUR) = 1.5500 - SLOPE OF INTENSITY DURATION CURVE = .6000 - ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 300.00 TO NODE 300.11 IS CODE = 2 » »> RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 3 -4 DWELLINGS /ACRE - TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW- LENGTH = 1000.00 - UPSTREAM ELEVATION = 1665.00 DOWNSTREAM ELEVATION = 1630.00 ... ELEVATION DIFFERENCE = 35.00 TC = .412 *[( 1000.00 ** 3.00)/( 35.00)] ** .20 = 12.767 " 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.923 SOIL CLASSIFICATION IS "A" • RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA RUNOFF(CFS) = 15.03 TOTAL AREA(ACRES) = 5.00 PEAK FLOW RATE(CFS) = 15.03 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 300.11 TO NODE 300.12 IS CODE = 3 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< im » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< .DEPTH OF FLOW IN 18.0 INCH PIPE IS 12.1 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 11.9 UPSTREAM NODE ELEVATION = 1630.00 DOWNSTREAM NODE ELEVATION = 1595.40 • FLOWLENGTH(FEET) = 1000.00 MANNINGS N = .013 40 ESTIMATED PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES = 1 *■ PIPEFLOW THRU SUBAREA(CFS) = 15.03 TRAVEL TIME(MIN.) = 1.40 TC(MIN.) = 14.16 ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 300.10 TO NODE 300.12 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.686 SOIL CLASSIFICATION IS "A" - RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 5.00 SUBAREA RUNOFF(CFS) = 13.97 00 EFFECTIVE AREA(ACRES) = 10.00 AVERAGED Fm(INCH/HR) = .582 - TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 27.94 • TC(MIN) = 14.16 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 300.12 TO NODE 301.10 IS CODE = 3 - » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « « < » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< ESTIMATED PIPE DIAMETER(INCH) INCREASED TO 18.000 DEPTH OF FLOW IN 18.0 INCH PIPE IS 8.1 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 36.0 UPSTREAM NODE ELEVATION = 1665.50 - DOWNSTREAM NODE ELEVATION = 1595.00 LOWLENGTH(FEET) = 167.00 MANNINGS N = .013 rSTIMATED PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 27.94 "" TRAVEL TIME(MIN.) = .08 TC(MIN.) = 14.24 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 301.00 TO NODE 301.11 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « « < 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.674 - SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 la. SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 27.83 EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 55.65 ar TC(MIN) = 14.24 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 301.11 TO NODE 302.10 IS CODE = 3 00 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « « < » »>USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< "' OF FLOW IN 51.0 INCH PIPE IS 36.7 INCHES 2IPEFLOW VELOCITY(FEET /SEC.) = 5.1 UPSTREAM NODE ELEVATION = 1595.00 DOWNSTREAM NODE ELEVATION = 1594.50 FLOWLENGTH(FEET) = 330.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 51.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 55.65 m TRAVEL TIME(MIN.) = 1.08 TC(MIN.) = 15.32 ****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** - FLOW PROCESS FROM NODE 302.00 TO NODE 302.10 IS CODE = 8 • » OF SUBAREA TO MAINLINE PEAK FLOW««< - 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.516 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 - SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 52.81 EFFECTIVE AREA(ACRES) = 40.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 40.00 - PEAK FLOW RATE(CFS) = 105.62 TC(MIN) = 15.32 .********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 302.10 TO NODE '303.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< DEPTH OF FLOW IN 57.0 INCH PIPE IS 45.6 INCHES - PIPEFLOW VELOCITY(FEET /SEC.) = 6.9 UPSTREAM NODE ELEVATION = 1594.50 - DOWNSTREAM NODE ELEVATION = 1593.00 FLOWLENGTH(FEET) = 630.00 MANNINGS N = .013 - ESTIMATED PIPE DIAMETER(INCH) = 57.00 NUMBER OF PIPES = 1 'IPEFLOW THRU SUBAREA(CFS) = 105.62 £RAVEL TIME(MIN.) = 1.51 TC(MIN.) = 16.83 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 303.00 TO NODE 303.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « « < 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.323 - SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 98.68 EFFECTIVE AREA(ACRES) = 80.00 �. AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 80.00 PEAK FLOW RATE(CFS) = 197.36 TC(MIN) = 16.83 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 303.10 TO NODE 303.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « ** CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 16.83 RAINFALL INTENSITY (INCH. /HOUR) = 3.32 AFFECTIVE STREAM AREA(ACRES) = 80.00 TOTAL STREAM AREA(ACRES) = 80.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 197.36 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 304.00 TO NODE 304.10 IS CODE = 2 » » >RATIONAL METHOD INITIAL SUBAREA ANALYSIS « «< EVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 3 -4 DWELLINGS /ACRE TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 AO INITIAL SUBAREA FLOW - LENGTH = 1000.00 UPSTREAM ELEVATION = 1668.00 • DOWNSTREAM ELEVATION = 1657.00 ELEVATION DIFFERENCE = 11.00 TC = .412 *[( 1000.00 ** 3.00)/( 11.00)] ** .20 = 16.092 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.414 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA RUNOFF(CFS) = 25.49 ** TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 25.49 r„ ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** I"' FLOW PROCESS FROM NODE 304.10 TO NODE 305.10 IS CODE = 3 »» >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA «<« » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< 4 „ DEPTH OF FLOW IN 21.0 INCH PIPE IS 15.6 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 13.3 UPSTREAM NODE ELEVATION = 1657.00 DOWNSTREAM NODE ELEVATION = 1647.00 „r FLOWLENGTH(FEET) = 300.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 21.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 25.49 RAVEL TIME(MIN.) = .38 TC(MIN.) = 16.47 .********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 305.00 TO NODE 305.10 IS CODE = 8 » OF SUBAREA TO MAINLINE PEAK FLOW « • 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.367 SOIL CLASSIFICATION IS "A" ... RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 25.06 °W' EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH /HR) = .582 • TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 50.13 • TC(MIN) = 16.47 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 305.10 TO NODE 306.10 IS CODE = 3 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< • DEPTH OF FLOW IN 30.0 INCH PIPE IS 20.3 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 14.2 *"' UPSTREAM NODE ELEVATION = 1647.00 ' '` OWNSTREAM NODE ELEVATION = 1631.00 LLOWLENGTH(FEET) = 650.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 30.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 50.13 TRAVEL TIME(MIN.) = .76 TC(MIN.) = 17.23 .**************************************************************************** FLOW PROCESS FROM NODE 306.00 TO NODE 306.10 IS CODE = 8 »»ADDITION OF SUBAREA TO MAINLINE PEAK FLOW«<« 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.277 SOIL CLASSIFICATION IS "A" - RESIDENTIAL-> 3-4 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 48.50 EFFECTIVE AREA(ACRES) = 40.00 AVERAGED Fm(INCH/HR) = .582 - TOTAL AREA(ACRES) = 40.00 PEAK FLOW RATE(CFS) = 97.00 - TC(MIN) = 17.23 **************************************************************************** FLOW PROCESS FROM NODE 306.10 TO NODE 303.10 IS CODE = 3 >»»COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< >»»USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)««< - DEPTH OF FLOW IN 36.0 INCH PIPE IS 27.3 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 16.9 UPSTREAM NODE ELEVATION = 1631.00 DOWNSTREAM NODE ELEVATION = 1593.00 FLOWLENGTH(FEET) = 1450.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 97.00 TRAVEL TIME(MIN.) = 1.43 TC(MIN.) = 18.66 4************************************************************************* FLOW PROCESS FROM NODE 307.00 TO NODE 303.10 IS CODE = 8 >»»ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< - 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.123 SOIL CLASSIFICATION IS "A" RESIDENTIAL-> 3-4 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA AREA(ACRES) = 42.00 SUBAREA RUNOFF(CFS) = 96.07 - EFFECTIVE AREA(ACRES) = 82.00 AVERAGED Fm(INCH/HR) = .582 - TOTAL AREA(ACRES) = 82.00 PEAK FLOW RATE(CFS) = 187.56 • TC(MIN) = 18.66 **************************************************************************** FLOW PROCESS FROM NODE 306.10 TO NODE 303.10 IS CODE = 1 4mr >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< • >>>»AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< 40 CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 18.66 lu RAINFALL INTENSITY (INCH./HOUR) = 3.12 EFFECTIVE STREAM AREA(ACRES) = 82.00 40 TOTAL STREAM AREA(ACRES) = 82.00 --1 EAK FLOW RATE(CFS) AT CONFLUENCE = 187.56 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE „„, NUMBER RATE(CFS) (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) 1 197.36 16.83 3.323 .58 80.00 • 2 187.56 18.66 3.123 .58 82.00 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO ONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 379.81 153.96 2 370.55 162.00 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: 4, PEAK FLOW RATE(CFS) = 379.81 TIME(MINUTES) = 16.832 EFFECTIVE AREA(ACRES) = 153.96 • TOTAL AREA(ACRES) = 162.00 ********************************************;* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 303.10 TO NODE 308.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) ««< DEPTH OF FLOW IN 63.0 INCH PIPE IS 48.0 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 21.5 - UPSTREAM NODE ELEVATION = 1593.00 DOWNSTREAM NODE ELEVATION = 1587.00 FLOWLENGTH(FEET) = 300.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 63.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 379.81 TRAVEL TIME(MIN.) = .23 TC(MIN.) = 17.07 r ,****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 308.00 TO NODE 308.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.296 SOIL CLASSIFICATION IS "A" ...� RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 24.42 - EFFECTIVE AREA(ACRES) = 163.96 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 172.00 PEAK FLOW RATE(CFS) = 400.45 '"" TC(MIN) = 17.07 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 308.10 TO NODE 309.10 IS CODE = 3 ar » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< • » » > USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< r DEPTH OF FLOW IN 63.0 INCH PIPE IS 47.0 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 23.1 m UPSTREAM NODE ELEVATION = 1587.00 DOWNSTREAM NODE ELEVATION = 1580.00 FLOWLENGTH(FEET) = 300.00 MANNINGS N = .013 �""STIMATED PIPE DIAMETER(INCH) = 63.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 400.45 TRAVEL TIME(MIN.) = .22 TC(MIN.) = 17.28 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 4* 0 FLOW PROCESS FROM NODE 309.00 TO NODE 309.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « « < 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.271 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 4 " SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 24.20 EFFECTIVE AREA(ACRES) = 173.96 ""' AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 182.00 PEAK FLOW RATE(CFS) = 420.98 TC(MIN) = 17.28 *******************************************,** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 309.10 TO NODE 310.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« <« » ESTIMATED PIPESIZE (NON - PRESSURE FLOW) ««< m DEPTH OF FLOW IN 63.0 INCH PIPE IS 47.7-INCHES - PIPEFLOW VELOCITY(FEET /SEC.) = 24.0 UPSTREAM NODE ELEVATION= 1580.00 "`' DOWNSTREAM NODE ELEVATION = 1565.00 FLOWLENGTH(FEET) = 600.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 63.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 420.98 TRAVEL TIME(MIN.) =- .42 TC(MIN.) = 17.70 .********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 310.00 TO NODE 310.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.224 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE'SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 ""' SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 47.56 EFFECTIVE AREA(ACRES) = 193.96 AVERAGED Fni(INCH /HR) = .582 r.. TOTAL AREA(ACRES) = 202.00 PEAK FLOW RATE(CFS) = 461.27 TC(MIN) = 17.70 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 4 " FLOW PROCESS FROM NODE 310.10 TO NODE 311.10 IS CODE = 3 • » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 66.0 INCH PIPE IS 49.3 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 24.2 m UPSTREAM NODE ELEVATION = 1565.00 DOWNSTREAM NODE ELEVATION = 1530.10 ,." FLOWLENGTH(FEET) = 1450.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 66.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 461.27 41 RAVFL TIME(MIN.) = 1.00 TC(MIN.) = 18.70 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 311.00 TO NODE 311.10 IS CODE = 8 0 » »> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.120 9OIL CLASSIFICATION IS "A" FISIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 - SUBAREA AREA(ACRES) = 44.00 SUBAREA RUNOFF(CFS) = 100.51 EFFECTIVE AREA(ACRES) = 237.96 ' AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 246.00 PEAK FLOW RATE(CFS) = 543.55 TC(MIN) = 18.70 F ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** . FLOW PROCESS FROM NODE 311.10 TO NODE 312.10 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL - CHANNEL FLOW« « < » THRU SUBAREA« «< UPSTREAM NODE ELEVATION = 1530.10 - DOWNSTREAM NODE ELEVATION = 1528.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1250.'00 - CHANNEL BASE(FEET). = - 8.00 "Z" FACTOR = 1.500 MANNINGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 5.50 . CHANNEL FLOW THRU SUBAREA(CFS) = 543.55 FLOW VELOCITY(FEET /SEC) = 8.02 FLOW DEPTH(FEET) = 4.57 TRAVEL TIME(MIN.) = 2.60 TC(MIN.) = 21.30 _ r******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 312.00 TO NODE 312.10 IS CODE = 8 » »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.886 - SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 76.00 SUBAREA RUNOFF(CFS) = 157.57 EFFECTIVE AREA(ACRES) = 313.96 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 322.00 PEAK FLOW RATE(CFS) = 650.94 TC(MIN) = 21.30 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** -. FLOW PROCESS FROM NODE 312.10 TO NODE 313.10 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL - CHANNEL FLOW ««< » » >TRAVELTIME THRU SUBAREA ««< UPSTREAM NODE ELEVATION = 1528.00 DOWNSTREAM NODE ELEVATION = 1525.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1400.00 CHANNEL BASE(FEET) = 8.00 "Z" FACTOR = 1.500 MANNINGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 5.50 CHANNEL FLOW THRU SUBAREA(CFS) = 650.94 m FLOW VELOCITY(FEET /SEC) = 9.22 FLOW DEPTH(FEET) = 4.69 TRAVEL TIME(MIN.) = 2.53 TC(MIN.) = 23.83 k ****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 313.00 TO NODE 313.10 IS CODE = 8 » »> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< ; aw 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.698 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 • SUBAREA AREA(ACRES) = 85.00 SUBAREA RUNOFF(CFS) = 161.85 FFECTIVE AREA(ACRES) = 398.96 • AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 407.00 PEAK FLOW RATE(CFS) = 759.66 TC(MIN) = 23.83 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 313.10 TO NODE 314.10 IS CODE = 5 - » » >COMPUTE TRAPEZOIDAL - CHANNEL FLOW ««< » » >TRAVELTIME THRU SUBAREA««< UPSTREAM NODE ELEVATION = 1525.00 °" DOWNSTREAM NODE ELEVATION = 1518.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1270.00 '" CHANNEL BASE(FEET) = 8.00 "Z" FACTOR = 1.500 MANNINGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 5.50 " Iwa CHANNEL FLOW THRU SUBAREA(CFS) = 759.66 FLOW VELOCITY(FEET /SEC) = 13.53 FLOW DEPTH(FEET) = 4.01 "" TRAVEL TIME(MIN.) 1.56 TC(MIN.) = 25.39 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 314.00 TO NODE 314.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.597 .OIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 'I' SUBAREA AREA(ACRES) = 76.00 SUBAREA RUNOFF(CFS) = 137.81 EFFECTIVE AREA(ACRES) = 474.96 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 483.00 PEAK FLOW RATE(CFS) = 861.21 - TC(MIN) = 25.39 t******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 314.10 TO NODE 315.10 IS CODE = 5 • » »>COMPUTE TRAPEZOIDAL - CHANNEL FLOW««< » »>TRAVELTIME THRU SUBAREA ««< UPSTREAM NODE ELEVATION = 1518.00 • DOWNSTREAM NODE ELEVATION = 1511.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1420.00 Age CHANNEL BASE(FEET) = 8.00 "Z" FACTOR = 1.500 mrn MANNINGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 5.50 CHANNEL FLOW THRU SUBAREA(CFS) = 861.21 al FLOW VELOCITY(FEET /SEC) = 13.43 FLOW DEPTH(FEET) = 4.39 TRAVEL TIME(MIN.) = 1.76 TC(MIN.) = 27.15 w. k******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** °""1,014 PROCESS FROM NODE 315.00 TO NODE 315.10 IS CODE = 8 » OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.494 SOIL CLASSIFICATION IS "A" 1* RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 • SUBAREA AREA(ACRES) = 85.00 SUBAREA RUNOFF(CFS) = 146.29 EFFECTIVE AREA(ACRES) = 559.96 4VERAGED Fm(INCH /HR) = .582 OTAL AREA(ACRES) = 568.00 PEAK FLOW RATE(CFS) = 963.71 TC(MIN) = 27.15 .."********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 315.10 TO NODE 315.10 IS CODE = 1 »» >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 27.15 - RAINFALL INTENSITY (INCH. /HOUR) = 2.49 EFFECTIVE STREAM AREA(ACRES) = 559.96 TOTAL STREAM AREA(ACRES) = 568.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 963.71 '********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM-NODE 316.00 TO NODE 316.11 IS CODE = 2 » » >RATIONAL METHOD INITIAL SUBAREA ANALYSIS« «< DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 3 -4 DWELLINGS /ACRE TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW- LENGTH = 1000.00 - UPSTREAM ELEVATION = 1664.50 DOWNSTREAM ELEVATION = 1611.50 .LEVATION DIFFERENCE = 53.00 TC = .412 *[( 1000.00 ** 3.00)/( 53.00)] ** .20 = 11.750 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 4.123 SOIL CLASSIFICATION IS "A" - RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA RUNOFF(CFS) = 15.93 .,. TOTAL AREA(ACRES) = 5.00 PEAK FLOW RATE(CFS) = 15.93 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 316.11 TO NODE 316.12 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< - » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< ' DEPTH OF FLOW IN 21.0 INCH PIPE IS 14.5 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 9.0 /'' UPSTREAM NODE ELEVATION = 1611.50 DOWNSTREAM NODE ELEVATION = 1595.80 FLOWLENGTH(FEET) = 1000.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 21.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 15.93 .tir TRAVEL TIME(MIN.) = 1.86 TC(MIN.) = 13.61 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 316.10 TO NODE 316.12 IS CODE = 8 » »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.776 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 14 SUBAREA AREA(ACRES) = 5.00 SUBAREA RUNOFF(CFS) = 14.37 m' EFFECTIVE AREA(ACRES) = 10.00 AVERAGED Fm(INCH/HR) = .582 DOTAL AREA(ACRES) = 10.00 EAK FLOW RATE(CFS) = 28.74 TC(MIN) = 13.61 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 316.12 TO NODE 317.10 IS CODE = 3 4r- »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « m » »>USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< • DEPTH OF FLOW IN 39.0 INCH PIPE IS 27.4 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 4.6 '6' UPSTREAM NODE ELEVATION = 1595.80 DOWNSTREAM NODE ELEVATION = 1595.50 • FLOWLENGTH(FEET) = 167.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 39.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 28.74 TRAVEL TIME(MIN.) = .60 TC(MIN.) = '14.21 ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** �.o FLOW PROCESS FROM NODE 317.00 TO NODE 317.10 IS CODE = 8 • » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.679 SOIL CLASSIFICATION IS "A" - RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 7BAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 27.87 1..FFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 55.74 TC(MIN) = 14.21 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 317.10 TO NODE 318.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) ««< DEPTH OF FLOW IN 51.0 INCH PIPE IS 36.8 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 5.1 UPSTREAM NODE ELEVATION = 1595.50 DOWNSTREAM NODE ELEVATION = 1595.00 • FLOWLENGTH(FEET) = 330.00 MANNINGS N = .013 me ESTIMATED PIPE DIAMETER(INCH) = 51.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 55.74 m TRAVEL TIME(MIN.) = 1.08 TC(MIN.) = 15.29 a ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** • FLOW PROCESS FROM NODE 318.00 TO NODE 318.10 IS CODE =• 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.520 m SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 52.89 EFFECTIVE AREA(ACRES) = 40.00 AVERAGED Fm(INCH/HR) = .582 • TOTAL AREA(ACRES) = 40.00 PEAK FLOW RATE(CFS) = 105.78 - T(MIN) = 15.29 k*************************************************************************** FLOW PROCESS FROM NODE 318.10 TO NODE 319.10 IS CODE = 3 >»»COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< >»»USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<«« . DEPTH OF FLOW IN 63.0 INCH PIPE IS 48.9 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 5.9 ' UPSTREAM NODE ELEVATION = 1595.00 DOWNSTREAM NODE ELEVATION = 1594.00 - FLOWLENGTH(FEET) = 670.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 63.00 NUMBER OF PIPES = 1 - PIPEFLOW THRU SUBAREA(CFS) = 105.78 TRAVEL TIME(MIN.) = 1.90 TC(MIN.) = 17.19 FLOW PROCESS FROM 319.00 TO NODE 319.10 IS CODE = 8 >»ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.281 SOIL CLASSIFICATION IS "A" _ • RESIDENTIAL-> 3-4 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 97.17 - EFFECTIVE AREA(ACRES) = 80.00 VERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 80.00 PEAK FLOW RATE(CFS) = 194.34 - TC(MIN) = 17.19 **************************************************************************** FLOW PROCESS FROM NODE 319.10 TO NODE 320.10 IS CODE = 3 >»»COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA«<« >»»USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< - DEPTH OF FLOW IN 60.0 INCH PIPE IS 43.8 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 12.7 - UPSTREAM NODE ELEVATION = 1594.00 DOWNSTREAM NODE ELEVATION = 1584.00 FLOWLENGTH(FEET) = 1330.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 60.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 194.34 m TRAVEL TIME(MIN.) = 1.75 TC(MIN.) = 18.94 **************************************************************************** 4, FLOW PROCESS FROM NODE 320.00 TO NODE 320.10 IS CODE = 8 • >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<«< 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.096 OIL CLASSIFICATION IS "A" £ESIDENTIAL-> 3-4 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA AREA(ACRES) = 80.00 SUBAREA RUNOFF(CFS) = 180.98 EFFECTIVE AREA(ACRES) = 160.00 . AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 160.00 PEAK FLOW RATE(CFS) = 361.95 TC(MIN) = 18.94 * ***************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** °* FLOW PROCESS FROM NODE 320.10 TO NODE 321.10 IS CODE = 3 • » » > COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA ««< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< • DEPTH OF FLOW IN 75.0 INCH PIPE IS 57.8 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 14.3 UPSTREAM NODE ELEVATION = 1584.00 DOWNSTREAM NODE ELEVATION = 1574.00 • FLOWLENGTH(FEET) = 1430.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 75.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 361.95 TRAVEL TIME(MIN.) = 1.67 TC(MIN.) = 20.61 - i******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 321.00 TO NODE 321.10 IS CODE = 8 »»>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< - 1 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.942 SOIL CLASSIFICATION IS "A" - RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA AREA(ACRES) = 86.00 SUBAREA RUNOFF(CFS) = 182.70 • EFFECTIVE AREA(ACRES) = 246.00 AVERAGED Fm(INCH /HR) = .582 - TOTAL AREA(ACRES) = 246.00 T'AK FLOW RATE(CFS) = 522.61 .0 (MIN) = 20.61 k******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 321.10 TO NODE 315.10 IS CODE = 3 » » > COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « « < » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< DEPTH OF FLOW IN 69.0 INCH PIPE IS 52.1 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 24.8 -- UPSTREAM NODE ELEVATION = 1574.00 DOWNSTREAM NODE ELEVATION = 1511.00 "ND FLOWLENGTH(FEET) = 2650.00 MANNINGS N = .013 ✓ ESTIMATED PIPE DIAMETER(INCH) = 69.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 522.61 TRAVEL TIME(MIN.) = 1.78 TC(MIN.) = 22.39 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 315.10 TO NODE 315.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE« « < » » >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES« «< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: e "' TIME OF CONCENTRATION(MINUTES) = 22.39 P "kINFALL INTENSITY (INCH. /HOUR) = 2.80 .AFFECTIVE STREAM AREA(ACRES) = 246.00 • TOTAL STREAM AREA(ACRES) = 246.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 522.61 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE . NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 963.71 27.15 2.494 .58 559.96 2 522.61 22.39 2.800 .58 246.00 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO `"` CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE • NUMBER Q(CFS) AREA(ACRES) 1 1414.30 805.96 2 1444.49 707.83 40+ COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 1444.49 TIME(MINUTES) = 22.394 - EFFECTIVE AREA(ACRES) = 707.83 TOTAL AREA(ACRES) = 814.00 °.********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 315.10 TO NODE '322.10 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL- CHANNEL FLOW««< » » >TRAVELTIME THRU SUBAREA««< UPSTREAM NODE ELEVATION = 1511.00 ., DOWNSTREAM NODE ELEVATION = 1503.0 CHANNEL LENGTH THRU SUBAREA(FEET) = 1300.00 - CHANNEL BASE(FEET) = 8.00 "Z" FACTOR = 1.500 MANNINGS FACTOR = . 015 MAXIMUM DEPTH(FEET) = 6.50 M- CHANNEL FLOW THRU SUBAREA(CFS) = 1444.49 'LOW VELOCITY(FEET /SEC) = 16.75 FLOW DEPTH(FEET) = 5.37 GRAVEL TIME(MIN.) = 1.29 TC(MIN.) = 23.69 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 322.00 TO NODE 322.10 IS CODE = 8 - » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.707 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = . 5820 .A+ SUBAREA AREA(ACRES) = 80.00 SUBAREA RUNOFF(CFS) = 153.01 EFFECTIVE AREA(ACRES) = 787.83 °00 AVERAGED Fm(INCH /HR) = . 582 TOTAL AREA(ACRES) = 894.00 PEAK FLOW RATE(CFS) = 1506.85 TC(MIN) = 23.69 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 322.10 TO NODE 323.10 IS CODE = 5 O » »> COMPUTE TRAPEZOIDAL - CHANNEL FLOW « «< » »>TRAVELTIME THRU SUBAREA « «< UPSTREAM NODE ELEVATION = 1503.00 • DOWNSTREAM NODE ELEVATION = 1491.00 - 'HANNEL LENGTH THRU SUBAREA(FEET) = 1330.00 .HANNEL BASE(FEET) = 8.00 "Z" FACTOR = 1.500 MANNINGS FACTOR = . 015 MAXIMUM DEPTH(FEET) = 6.50 4. CHANNEL FLOW THRU SUBAREA(CFS) = 1506.85 FLOW VELOCITY(FEET /SEC) = 19.51 FLOW DEPTH(FEET) = 4.99 TRAVEL TIME(MIN.) = 1.14 TC(MIN.) = 24.82 ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 323.00 TO NODE 323.10 IS CODE = 8 >» »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< ""' 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.632 SOIL CLASSIFICATION IS "A" " RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA AREA(ACRES) = 84.00 SUBAREA RUNOFF(CFS) = 154.99 EFFECTIVE AREA(ACRES) = 871.83 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 978.00 - PEAK FLOW RATE(CFS) = 1608.61 TC(MIN) = 24.82 m******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 323.10 TO NODE 323.10 IS CODE = 1 » »>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE«<« CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: "" TIME OF CONCENTRATION(MINUTES) = 24.82 AW RAINFALL INTENSITY (INCH. /HOUR) = 2.63 EFFECTIVE STREAM AREA(ACRES) = 871.83 ,,,, TOTAL STREAM AREA(ACRES) = 978.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 1608.61 ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** - JOW PROCESS FROM NODE 324.00 TO NODE 324.11 IS CODE = 2 » » >RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 3 -4 DWELLINGS /ACRE TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 - INITIAL SUBAREA FLOW- LENGTH = 1000.00 UPSTREAM ELEVATION = 1638.00 DOWNSTREAM ELEVATION = 1605.25 _ ELEVATION DIFFERENCE = 32.75 TC = .412 *[( 1000.00 ** 3.00)/( 32.75)] ** .20 = 12.938 - 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.891 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA RUNOFF(CFS) = 14.89 ®"' TOTAL AREA(ACRES) = 5.00 PEAK FLOW RATE(CFS) = 14.89 ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 324.11 TO NODE 324.12 IS CODE = 3 » PIPEFLOW TRAVELTIME THRU SUBAREA ««< » COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< m DEPTH OF FLOW IN 18.0 INCH PIPE IS 12.2 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 11.7 4 " UPSTREAM NODE ELEVATION = 1605.25 ''"IWNSTREAM NODE ELEVATION = 1572.50 i3OWLENGTH(FEET) = 1000.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 14.89 TRAVEL TIME(MIN.) = 1.43 TC(MIN.) = 14.37 . 0******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 324.10 TO NODE 324.12 IS CODE = 8 > »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.654 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 5.00 SUBAREA RUNOFF(CFS) = 13.82 • EFFECTIVE AREA(ACRES) = 10.00 AVERAGED Fm(INCH/HR) = .582 • TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 27.65 • TC(MIN) = 14.37 k******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** -` FLOW PROCESS FROM NODE 324.12 TO NODE 325.10 IS CODE = 3 r » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA ««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN ' INCH PIPE IS 21.4 INCHES PIPEFLOW VELOCITY( /SEC.) = 8.2 - UPSTREAM NODE ELEVATION = 1572.50 DOWNSTREAM NODE ELEVATION = 1571.00 FLOWLENGTH(FEET) = 167.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 27.00 NUMBER OF PIPES = 1 - PIPEFLOW THRU SUBAREA(CFS) = 27.65 TRAVEL TIME(MIN.) = .34 TC(MIN.) = 14.71 k ****************************************** * * * * * * * * * * * ** * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 325.00 TO NODE 325.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « « < 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.603 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 27.19 - EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH /HR) = .582 ... TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 54.38 TC(MIN) = 14.71 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** "' FLOW PROCESS FROM NODE 325.10 TO NODE 326.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< »» >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< .r DEPTH OF FLOW IN 36.0 INCH PIPE IS 26.1 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 9.9 . UPSTREAM NODE ELEVATION = 1571.00 DOWNSTREAM NODE ELEVATION = 1568.00 FLOWLENGTH(FEET) = 330.00 MANNINGS N = .013 - STIMATED PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES = 1 _IPEFLOW THRU SUBAREA(CFS) = 54.38 TRAVEL TIME(MIN.) = .56 TC(MIN.) = 15.26 k******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 326.00 TO NODE 326.10 IS CODE = 8 »»>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.524 BOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 4" SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 52.96 EFFECTIVE AREA(ACRES) = 40.00 °' AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 40.00 PEAK FLOW RATE(CFS) = 105.91 TC(MIN) = 15.26 * ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** . FLOW PROCESS FROM NODE 326.10 TO NODE 327.10 IS CODE = 3 '"' » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » » >USING COMPUTER- ESTIMATED PIPESIZE (NON - PRESSURE FLOW) ««< DEPTH OF FLOW IN 48.0 INCH PIPE IS 34.8 ' INCHES • PIPLFLOW VELOCITY(FEET /SEC.) = 10.9 UPSTREAM NODE ELEVATION = 1568.00 `®" DOWNSTREAM NODE ELEVATION = 1563.00 FLOWLENGTH(FEET) = 670.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 48.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 105.91 TRAVEL TIME(MIN.) = 1.03 TC(MIN.) = 16.29 r******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** LOW PROCESS FROM NODE 327.00 TO NODE 327.10 IS CODE = 8 »> »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.389 - SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 101.04 - EFFECTIVE AREA(ACRES) = 80.00 AVERAGED Fm(INCH /HR) = .582 - TOTAL AREA(ACRES) = 80.00 PEAK FLOW RATE(CFS) = 202.08 • TC(MIN) = 16.29 k******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 4 ' FLOW PROCESS FROM NODE 327.10 TO NODE 328.10 IS CODE = 3 • » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< DEPTH OF FLOW IN 57.0 INCH PIPE IS 43.5 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 13.9 rr UPSTREAM NODE ELEVATION = 1563.00 DOWNSTREAM NODE ELEVATION = 1550.00 ,. FLOWLENGTH(FEET) = 1350.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 57.00 NUMBER OF PIPES = 1 0 PIPEFLOW THRU SUBAREA(CFS) = 202.08 - 'RAVEL TIME(MIN.) = 1.62 TC(MIN.) = 17.91 ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 328.00 TO NODE 328.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.202 "OIL CLASSIFICATION IS "A" ,ESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 ' SUBAREA AREA(ACRES) = 80.00 SUBAREA RUNOFF(CFS) = 188.63 „ EFFECTIVE AREA(ACRES) = 160.00 AVERAGED Fm(INCH /HR) = .582 ,., TOTAL AREA(ACRES) = 160.00 PEAK FLOW RATE(CFS) = 377.25 • TC(MIN) = 17.91 * ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ' FLOW PROCESS FROM NODE 328.10 TO NODE 323.10 IS CODE = 3 » »> COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 60.0 INCH PIPE IS 49.0 INCHES - PIPEFLOW VELOCITY(FEET /SEC.) = 22.0 UPSTREAM NODE ELEVATION ..= 1550.00 DOWNSTREAM NODE ELEVATION = 1491.00 FLOWLENGTH(FEET) = 2650.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 60.00 NUMBER OF PIPES = 1 -. PIPEFLOW THRU SUBAREA(CFS) = 377.25 TRAVEL TIME(MIN.) = 2.01 TC(MIN.) = 19.92 ...********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 323.10 TO NODE 323.10 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(MINUTES) = 19.92 RAINFALL INTENSITY (INCH. /HOUR) = 3.00 >.. EFFECTIVE STREAM AREA(ACRES) = 160.00 TOTAL STREAM AREA(ACRES) = 160.00 . PEAK FLOW RATE(CFS) AT CONFLUENCE = 377.25 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE - NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) • 1 1608.61 24.82 2.632 .58 871.83 2 377.25 19.92 3.004 .58 160.00 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. . SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE . NUMBER Q(CFS) AREA(ACRES) '" 1 1927.94 1031.83 2 1901.97 859.48 " COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 1927.94 TIME(MINUTES) = 24.824 EFFECTIVE AREA(ACRES) = 1031.83 OTAL AREA(ACRES) = 1138.00 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 323.10 TO NODE 329.10 IS CODE = 5 » TRAPEZOIDAL - CHANNEL FLOW««< • » » >TRAVELTIME THRU SUBAREA««< • T<IPSTREAM NODE ELEVATION = 1491.00 )WNSTREAM NODE ELEVATION = 1478.00 - C LENGTH THRU SUBAREA(FEET) = 1300.00 CHANNEL BASE(FEET) = 8.00 "Z" FACTOR = 1.500 MANNINGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 7.00 CHANNEL FLOW THRU SUBAREA(CFS) = 1927.94 FLOW VELOCITY(FEET /SEC) = 21.51 FLOW DEPTH(FEET) = 5.51 „. TRAVEL TIME(MIN.) = 1.01 TC(MIN.) = 25.83 r******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** Aw FLOW PROCESS FROM NODE 329.00 TO NODE 329.10 IS CODE = 8 - » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< "" 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.570 SOIL CLASSIFICATION IS "A" "" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 80.00 SUBAREA RUNOFF(CFS) _= 143.14 EFFECTIVE AREA(ACRES) = 1111.83 AVERAGED Fm(INCH/HR) = .582 • TOTAL AREA(ACRES) = 1218.00 . PEAK FLOW RATE(CFS) = 1989.33 TC(MIN) = 25.83 r******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 329.10 TO NODE 330.10 IS CODE = 5 » >COMPUTE TRAPEZOIDAL - CHANNEL FLOW « «< > » >TRAVELTIME THRU SUBAREA« «< "- UPSTREAM NODE ELEVATION = 1478.00 DOWNSTREAM NODE ELEVATION = 1463.00 • CHANNEL LENGTH THRU SUBAREA(FEET) = 1330.00 CHANNEL BASE(FEET) = 8.00 "Z" FACTOR = 1.500 MANNINGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 7.00 - CHANNEL FLOW THRU SUBAREA(CFS) = 1989.33 FLOW VELOCITY(FEET /SEC) = 22.71 FLOW DEPTH(FEET) = 5.43 TRAVEL TIME(MIN.) = .98 TC(MIN.) = 26.81 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 330.00 TO NODE 330.10 IS CODE = 8 • » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 4" 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.513 , SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 #I„ SUBAREA AREA(ACRES) = 81.00 SUBAREA RUNOFF(CFS) = 140.80 EFFECTIVE AREA(ACRES) = 1192.83 ire AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 1299.00 . PEAK FLOW RATE(CFS) = 2073.53 TC(MIN) = 26.81 . c***************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 330.10 TO NODE 330.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< AO err ' CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: . TIME OF CONCENTRATION(MINUTES) = 26.81 RAINFALL INTENSITY (INCH. /HOUR) = 2.51 EFFECTIVE STREAM AREA(ACRES) = 1192.83 OTAL STREAM AREA(ACRES) = 1299.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 2073.53 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** "° FLOW PROCESS FROM NODE 331.00 TO NODE 331.11 IS CODE = 2 » » >RATIONAL METHOD INITIAL SUBAREA ANALYSIS « «< DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 3 -4 DWELLINGS /ACRE TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)]** .20 INITIAL SUBAREA FLOW - LENGTH = 1000.00 UPSTREAM ELEVATION = 1614.00 ~' DOWNSTREAM ELEVATION = 1581.00 ELEVATION DIFFERENCE = 33.00 - TC = .412 *[( 1000.00 ** 3.00) /( 33.00)] ** .20 = 12.918 100 YEAR RAINFALL INTENSITY(INCH /HOUR) _' 3.895 `"`" SOIL CLASSIFICATION IS "A" RESIDENTIAL-> 3- 4-DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 - SUBAREA RUNOFF(CFS) = 14.91 TOTAL AREA(ACRES) = 5.00 PEAK FLOW RATE(CFS) = 14.91 -********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** . FLOW PROCESS FROM NODE 331.11 TO NODE 331.12 IS CODE = 3 - » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< » »USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) ««< DEPTH OF FLOW IN 18.0 INCH PIPE IS 12.2 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 11.7 UPSTREAM NODE ELEVATION = 1581.00 DOWNSTREAM NODE ELEVATION = 1548.00 FLOWLENGTH(FEET) = 1000.00 MANNINGS N = .013 - ESTIMATED PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 14.91 TRAVEL TIME(MIN.) = 1.42 TC(MIN.) = 14.34 • ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 331.10 TO NODE 331.12 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.658 " SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 5.00 SUBAREA RUNOFF(CFS) = 13.84 EFFECTIVE AREA(ACRES) = 10.00 AVERAGED Fm(INCH/HR) = .582 .r TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 27.68 • TC(MIN) = 14.34 ****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** _LOW PROCESS FROM NODE 331.12 TO NODE 332.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« mu » » > USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< DEPTH OF FLOW IN 27.0 INCH PIPE IS 18.8 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 9.4 UPSTREAM NODE ELEVATION = 1548.00 DOWNSTREAM NODE ELEVATION = 1546.00 LOWLENGTH(FEET) = 165.00 MANNINGS N = .013 - ESTIMATED PIPE DIAMETER(INCH) = 27.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 27.68 "" TRAVEL TIME(MIN.) = .29 TC(MIN.) = 14.64 * ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 332.00 TO NODE 332.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< A 100 YEAR RAINFALL INTENSITY(INCH /HOUR) 3.614 - SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 16 ' SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 27.29 EFFECTIVE AREA(ACRES) = 20.00 - AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 20.00 4 " PEAK FLOW RATE(CFS) = 54.57 TC(MIN) = 14.64 * ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 332.10 TO NODE 333.10 IS CODE = 3 - » » > COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLAW) « «< EPTH OF FLOW IN 36.0 INCH PIPE IS 26.2 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 9.9 UPSTREAM NODE ELEVATION = 1546.00 '°" DOWNSTREAM NODE ELEVATION = 1543.00 FLOWLENGTH(FEET) = 330.00 MANNINGS N = .013 " ESTIMATED PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 54.57 - TRAVEL TIME(MIN.) = .56 TC(MIN.) = 15.19 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 333.00 TO NODE 333.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.534 """ SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 53.13 EFFECTIVE AREA(ACRES) = 40.00 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 40.00 PEAK FLOW RATE(CFS) = 106.27 "w TC(MIN) = 15.19 * ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** **' FLOW PROCESS FROM NODE 333.10 TO NODE 334.10 IS CODE = 3 » »COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « DEPTH OF FLOW IN 45.0 INCH PIPE IS 32.8 INCHES • PIPEFLOW VELOCITY(FEET /SEC.) = 12.3 UPSTREAM NODE ELEVATION = 1543.00 4•• DOWNSTREAM NODE ELEVATION = 1536.00 FLOWLENGTH(FEET) = 670.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 45.00 NUMBER OF PIPES = 1 IPEFLOW THRU SUBAREA(CFS) = 106.27 - ''RAVEL TIME(MIN.) = .91 TC(MIN.) = 16.10 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** - FLOW PROCESS FROM NODE 334.00 TO NODE 334.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« « < 100 YEAR RAINFALL INTENSITY(INCH /HOUR) _ 3.413 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 s- SUBAREA AREA(ACRES) = 36.00 SUBAREA RUNOFF(CFS) = 91.72 EFFECTIVE AREA(ACRES) = 76.00 -' AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 76.00 - PEAK FLOW RATE(CFS) = 193.64 TC(MIN) = 16.10 ""********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 334.10 TO NODE 335.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA ««< » »> USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) ««< DEPTH OF FLOW IN 54.0 INCH PIPE IS 38.9 INCHES - PIPEFLOW VELOCITY(FEET /SEC.) = 15.8 PSTREAM NODE ELEVATION = 1536.00 vOWNSTREAM NODE ELEVATION = 1518.00 FLOWLENGTH(FEET) = 1330.00 MANNINGS N = .013 - ESTIMATED PIPE DIAMETER(INCH) = 54.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 193.64 - TRAVEL TIME(MIN.) = 1.40 TC(MIN.) = 17.50 ..********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 335.00 TO NODE 335.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.246 °N% SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 80.00 SUBAREA RUNOFF(CFS) = 191.81 EFFECTIVE AREA(ACRES) = 156.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 156.00 PEAK FLOW RATE(CFS) = 374.02 TC(MIN) = 17.50 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** • FLOW PROCESS FROM NODE 335.10 TO NODE 330.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA ««< `» »USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 63.0 INCH PIPE IS 46.6 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 21.8 UPSTREAM NODE ELEVATION = 1518.00 RR DOWNSTREAM NODE ELEVATION = 1463.00 4 FLOWLENGTH(FEET) = 2650.00 MANNINGS N = .013 m ESTIMATED PIPE DIAMETER(INCH) = 63.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 374.02 '"RAVEL TIME(MIN.) = 2.03 TC(MIN.) = 19.53 ********************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * • FLOW PROCESS FROM NODE 330.10 TO NODE 330.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE ««< m » » >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES« «< ..„ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 19.53 m RAINFALL INTENSITY (INCH. /HOUR) = 3.04 EFFECTIVE STREAM AREA(ACRES) = 156.00 TOTAL STREAM AREA(ACRES) = 156.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 374.02 CONFLUENCE. INFORMATION: °""" STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER. RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 2073.53 .26.81 2.513 .58 1192.83 2 374.02 19.53 3.039 .58 156.00 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO . CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 2367.52 " 1348.83 2 2296.15 1025.13 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: "" PEAK FLOW RATE(CFS) = 2367.52 TIME(MINUTES) = 26.807 EFFECTIVE AREA(ACRES) = 1348.83 TOTAL AREA(ACRES) = 1455.00 c******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 330.10 TO NODE 336.10 IS CODE = 5 » » > COMPUTE TRAPEZOIDAL - CHANNEL FLOW « - » » >TRAVELTIME THRU SUBAREA« «< "°" UPSTREAM NODE ELEVATION = 1463.00 DOWNSTREAM NODE ELEVATION = 1447.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1330.00 CHANNEL BASE(FEET) = 8.00 "Z" FACTOR = 1.500 • MANNINGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 7.00 m CHANNEL FLOW THRU SUBAREA(CFS) = 2367.52 FLOW VELOCITY(FEET /SEC) = 24.38 FLOW DEPTH(FEET) = 5.81 • TRAVEL TIME(MIN.) = .91 TC(MIN.) = 27.72 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** m FLOW PROCESS FROM NODE 336.00 TO NODE 336.10 IS CODE = 8 4 " » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.464 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 ,, SUBAREA AREA(ACRES) = 80.00 SUBAREA RUNOFF(CFS) = 135.48 EFFECTIVE AREA(ACRES) = 1428.83 AVERAGED Fm(INCH /HR) = .582 • TOTAL AREA(ACRES) = 1535.00 PEAK FLOW RATE(CFS) = 2419.72 "PC(MIN) = 27.72 k******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 336.10 TO NODE 337.10 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL - CHANNEL FLOW ««< ,. » » >TRAVELTIME THRU SUBAREA « «< m UPSTREAM NODE ELEVATION = 1447.00 DOWNSTREAM NODE ELEVATION = 1431.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1330.00 CHANNEL BASE(FEET) = 8.00 "Z" FACTOR= 1.500 MANNINGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 7.00 CHANNEL FLOW THRU SUBAREA(CFS) = 2419.72 FLOW VELOCITY(FEET /SEC) = 24.56 FLOW DEPTH(FEET) = 5.87 TRAVEL TIME(MIN.) _ .90 TC(MIN.) = 28.62 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** - FLOW PROCESS FROM NODE 337.00 TO NODE 337.10 IS CODE = 8 _. > »> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.417 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 82.00 SUBAREA RUNOFF(CFS) = 135.40 " EFFECTIVE AREA(ACRES) = 1510.83 VERAGED Fm(INCH /HR) = .582 i'OTAL AREA(ACRES) = 1617.00 PEAK FLOW RATE(CFS) = 2494.79 - TC(MIN) = 28.62 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 337.10 TO NODE 337.10 IS CODE = 1 »»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: ' TIME OF CONCENTRATION(MINUTES) = 28.62 RAINFALL INTENSITY (INCH. /HOUR) = 2.42 "` EFFECTIVE STREAM AREA(ACRES) = 1510.83 TOTAL STREAM AREA(ACRES) = 1617.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 2494.79 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 338.00 TO NODE 338.11 IS CODE = 2 » » >RATIONAL METHOD INITIAL SUBAREA ANALYSIS « «< DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 3 -4 DWELLINGS /ACRE TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW- LENGTH = 1000.00 PSTREAM ELEVATION = 1574.00 £jOWNSTREAM ELEVATION = 1544.50 m ELEVATION DIFFERENCE = 29.50 TC = .412 *[( 1000.00 ** 3.00)/( 29.50)] ** .20 = 13.211 m 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.843 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA RUNOFF(CFS) = 14.67 TOTAL AREA(ACRES) = 5.00 PEAK FLOW RATE(CFS) = 14.67 . sic.. 9r**** **9lr**** ************ ******* *********# 9c******** ** ** ****** ***4c***** *** ** FLOW PROCESS FROM NODE 338.11 TO NODE 338.12 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< ' » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< ate DEPTH OF FLOW IN 18.0 INCH PIPE IS 12.6 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 11.1 • UPSTREAM NODE ELEVATION = 1544.50 ar DOWNSTREAM NODE ELEVATION = 1515.00 FLOWLENGTH(FEET) = 1000.00 MANNINGS N,= .013 „., ESTIMATED PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 14.67 wm TRAVEL TIME(MIN.) = 1.50 TC(MIN.) = 14.71 ********************************************** * * * * * * * *.* * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 338.10 TO NODE 338.12 IS CODE = 8 - » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.603 SOIL CLASSIFICATION IS "A" • RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 „,. SUBAREA AREA(ACRES) = 5.00 SUBAREA RUNOFF(CFS) = 13.60 EFFECTIVE AREA(ACRES) = 10.00 -. AVERAGED Fm(INCH /HR) = .582 ""OTAL AREA(ACRES) = 10.00 ..2EAK FLOW RATE(CFS) = 27.19 TC(MIN) = 14.71 -A********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 338.12 TO NODE 339.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< » » >USING 0 00MPUTER- ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< • DEPTH OF FLOW IN 27.0 INCH PIPE IS 18.7 INCHES • PIPEFLOW VELOCITY(FEET /SEC.) = 9.3 UPSTREAM NODE ELEVATION = 1515.00 ,. DOWNSTREAM NODE ELEVATION = 1513.00 FLOWLENGTH(FEET) = 167.00 MANNINGS N = .013 • ESTIMATED PIPE DIAMETER(INCH) = 27.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 27.19 TRAVEL TIME(MIN.) = .30 TC(MIN.) = 15.01 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 339.00 TO NODE 339.10 IS CODE = 8 do » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.560 As SOIL CLASSIFICATION IS "A" - IIRESIDENTIAL-> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 JUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 26.80 EFFECTIVE AREA(ACRES) = 20.00 • AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 20.00 mm PEAK FLOW RATE(CFS) = 53.60 TC(MIN) = 15.01 o********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** LOW PROCESS FROM NODE 339.10 TO NODE 340.10 IS CODE = 3 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) ««< "' DEPTH OF FLOW IN 30.0 INCH PIPE IS 19.8 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 15.6 • UPSTREAM NODE ELEVATION = 1513.00 DOWNSTREAM NODE ELEVATION = 1508.00 FLOWLENGTH(FEET) = 167.00 MANNINGS N = .013 • ESTIMATED PIPE DIAMETER(INCH) = 30.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 53.60 ... TRAVEL TIME(MIN.) = .18 TC(MIN.) = 15.19 * ************ t******************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** - FLOW PROCESS FROM NODE 340.00 TO NODE 340.10 IS CODE = 8 »>y >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< - 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.535 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 53.15 EFFECTIVE AREA(ACRES) = 40.00 - - AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 40.00 - PEAK FLOW RATE(CFS) = 106.30 ''C (MIN) = 15.19 -&******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 340.10 TO NODE 341.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « - » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) ««< - DEPTH OF FLOW IN 33.0 INCH PIPE IS 25.5 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 21.6 UPSTREAM NODE ELEVATION = 1508.00 - DOWNSTREAM NODE ELEVATION = 1500.00 FLOWLENGTH(FEET) = 167.00 MANNINGS N = .013 m ESTIMATED PIPE DIAMETER(INCH) = 33.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 106.30 a" TRAVEL TIME(MIN.) = .13 TC(MIN.) = 15.32 k******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 341.00 TO NODE 341.10 IS CODE = 8 • » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< rr 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.517 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 105.65 '" FFECTIVE AREA(ACRES) = 80.00 .ERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 80.00 " PEAK FLOW RATE(CFS) = 211.31 TC(MIN) = 15.32 • ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 341.10 TO NODE 342.10 IS CODE = 3 > »> COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< -» »USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< • DEPTH OF FLOW IN 54.0 INCH PIPE IS 43.1 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 15.5 Re UPSTREAM NODE ELEVATION = 1500.00 DOWNSTREAM NODE ELEVATION = 1483.00 • FLOWLENGTH(FEET) = 1330.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 54.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 211.31 • TRAVEL TIME(MIN.) = 1.43 TC(MIN.) = 16.74 t ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** • FLOW PROCESS FROM NODE 342.00 TO NODE 342.10 IS CODE = 8 ,,. » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< - r 100. YEAR RAINFALL INTENEITY(INCH /HOUR) = 3.334 SOIL CLASSIFICATION IS "A" - RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 80.00 SUBAREA RUNOFF(CFS) = 198.12 EFFECTIVE AREA(ACRES) = 160.00 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 160.00 PEAK FLOW RATE(CFS) = 396.24 TC(MIN) = 16.74 ,t k***************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 342.10 TO NODE 337.10 IS CODE = 3 » »> COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« g' » »> USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) ««< DEPTH OF FLOW IN 63.0 INCH PIPE IS 50.4 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 21.3 UPSTREAM NODE ELEVATION = 1483.00 DOWNSTREAM NODE ELEVATION = 1431.00 FLOWLENGTH(FEET) = 2650.00 MANNINGS N = .013 4 ,, ESTIMATED PIPE DIAMETER(INCH) = 63.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 396.24 . TRAVEL TIME(MIN.) = 2.07 TC(MIN.) = 18.81 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** A. FLOW PROCESS FROM NODE 337.10 TO NODE 337.10 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(MINUTES) = 18.81 RAINFALL INTENSITY (INCH. /HOUR) = 3.11 EFFECTIVE STREAM AREA(ACRES) = 160.00 TOTAL STREAM AREA(ACRES) = 160.00 'EAK'FLOW RATE(CFS) AT CONFLUENCE = 396.24 CONFLUENCE INFORMATION: 44 ' STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 2494.79 28.62 2.417 .58 1510.83 2 396.24 18.81 3.108 .58 160.00 -. RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO 'CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE Ad NUMBER Q(CFS) AREA(ACRES) • 1 2782.56 1670.83 2 2654.56 1153.22 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 2782.56 TIME(MINUTES) = 28.619 EFFECTIVE AREA(ACRES) = 1670.83 • TOTAL AREA(ACRES) = 1777.00 • ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** - FLOW PROCESS FROM NODE 337.10 TO NODE 343.10 IS CODE = 5 » »>COMPUTE TRAPEZOIDAL - CHANNEL FLOW< « < - » » >TRAVELTIME THRU SUBAREA< « < UPSTREAM NODE ELEVATION '= 1431.00 - DOWNSTREAM NODE ELEVATION = 1417.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1370.00 - CHANNEL BASE(FEET) = 8.00 "Z" FACTOR = 1.500 MANNINGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 7.50 CHANNEL FLOW THRU SUBAREA(CFS) = 2782.56 • FLOW VELOCITY(FEET /SEC) = 23.84 FLOW DEPTH(FEET) = 6.55 TRAVEL TIME(MIN.) = .96 TC(MIN.) = 29.58 :****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 343.00 TO NODE 343.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.369 • SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 83.00 SUBAREA RUNOFF(CFS) = 133.53 EFFECTIVE AREA(ACRES) = 1753.83 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 1860.00 PEAK FLOW RATE(CFS) = 2821.46 • TC(MIN) = 29.58 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** A' FLOW PROCESS FROM NODE 343.10 TO NODE 344.10 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL - CHANNEL FLOW« «< » » >TRAVELTIME THRU SUBAREA « «< 4 , 0 UPSTREAM NODE ELEVATION = 1417.00 DOWNSTREAM NODE ELEVATION = 1405.00 • CHANNEL LENGTH THRU SUBAREA(FEET) = 1300.00 CHANNEL BASE(FEET) = 8.00 "Z" FACTOR = 1.500 MANNINGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 8.00 °'^,HANNEL FLOW THRU SUBAREA(CFS) = 2821.46 :'LOW VELOCITY(FEET /SEC) = 23.15 FLOW DEPTH(FEET) = 6.73 TRAVEL TIME(MIN.) = .94 TC(MIN.) = 30.51 '"********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 344.00 TO NODE 344.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.326 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 " SUBAREA AREA(ACRES) = 80.00 SUBAREA RUNOFF(CFS) = 125.54 EFFECTIVE AREA(ACRES) = 1833.83 "' AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 1940.00 PEAK FLOW RATE(CFS) = 2877.72 TC(MIN) = 30.51 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ,.. FLOW PROCESS FROM NODE 344.10 TO NODE 345.10 IS CODE = 5 - » » >COMPUTE TRAPEZOIDAL - CHANNEL FLOW< « < » »>TRAVELFIME THRU SUBAREA««< UPSTREAM NODE ELEVATION = 1405.00 °m' DOWNSTREAM NODE ELEVATION = 1394.00 - CHANNEL LENGTH THRU SUBAREA(FEET) = 1300.00 "' CHANNEL BASE(FEET). = 8.00 "Z" FACTOR = 1.500 MANNINGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 8.00 • CHANNEL FLOW THRU SUBAREA(CFS) = 2877.72 FLOW VELOCITY(FEET /SEC) = 22.46 FLOW DEPTH(FEET) = 6.95 TRAVEL TIME(MIN.) = .96 TC(MIN.) = 31.48 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** - LOW PROCESS FROM NODE 345.00 TO NODE 345.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.283 - SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 - SUBAREA AREA(ACRES) = 64.00 SUBAREA RUNOFF(CFS) = 97.95 EFFECTIVE AREA(ACRES) = 1897.83 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 2004.00 PEAK FLOW RATE(CFS) = 2904.65 TC(MIN) = 31.48 * ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** .r FLOW PROCESS FROM NODE 345.10 TO NODE 435.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE ««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 31.48 • RAINFALL INTENSITY (INCH. /HOUR) = 2.28 EFFECTIVE STREAM AREA(ACRES) = 1897.83 TOTAL STREAM AREA(ACRES) = 2004.00 .„, PEAK FLOW RATE(CFS) AT CONFLUENCE = 2904.65 •****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** LOW PROCESS FROM NODE 346.00 TO NODE 346.11 IS CODE = 2 » » >RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ''" DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 3 -4 DWELLINGS /ACRE TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW-LENGTH = 1000.00 UPSTREAM ELEVATION = 1536.00 OWNSTREAM ELEVATION = 1508.00 ELEVATION DIFFERENCE = 28.00 TC = .412 *[( 1000.00 ** 3.00)/( 28.00)] ** .20 = 13.350 " 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.819 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA RUNOFF(CFS) = 14.57 TOTAL AREA(ACRES) = 5.00 PEAK FLOW RATE(CFS) = 14.57 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 346.11 TO NODE , 346.12 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< • » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) ««< °^ DEPTH OF FLAW IN 18.0 INCH PIPE IS 12.8 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 10.9 ""' UPSTREAM NODE ELEVATION '= 1508.00 DOWNSTREAM NODE ELEVATION = 1480.00 - FLOWLENGTH(FEET) = 1000.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 14.57 TRAVEL TIME(MIN.) = 1.53 TC(MIN.) = 14.88 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** - FLOW PROCESS FROM NODE 346.10 TO NODE 346.12 IS CODE = 8 -» »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< - 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.578 SOIL CLASSIFICATION IS "A" - RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA AREA(ACRES) = 5.00 SUBAREA RUNOFF(CFS) = 13.48 - EFFECTIVE AREA(ACRES) = 10.00 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 26.96 TC(MIN) = 14.88 _********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 346.12 TO NODE 347.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< • » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< DEPTH OF FLOW IN 24.0 INCH PIPE IS 17.9 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 10.7 UPSTREAM NODE ELEVATION = 1480.00 DOWNSTREAM NODE ELEVATION = 1477.00 FLOWLENGTH(FEET) = 165.00 MANNINGS N = .013 a. ESTIMATED PIPE DIAMETER(INCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 26.96 w TRAVEL TIME(MIN.) = .26 TC(MIN.) = 15.14 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 347.00 TO NODE 347.10 IS CODE = 8 » » > ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.542 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 UBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 26.64 • sFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH /HR) = .582 4 +' TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 53.27 • TC(MIN) = 15.14 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 46 ' FLOW PROCESS FROM NODE 347.10 TO NODE 348.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUWEA««< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 36.0 INCH PIPE IS 25.9 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 9.8 .. UPSTREAM NODE ELEVATION = 1477.00 DOWNSTREAM NODE ELEVATION = 1471.00 4+ FLOWLENGTH(FEET) = 670.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES = 1 - PIPEFLOW THRU SUBAREA(CFS) = 53.27 TRAVEL TIME(MIN.) = 1.14 TC(MIN.) = 16.28 _k******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 348.00 TO NODE 348.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.391 SOIL CLASSIFICATION IS "A" - RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 50.55 °.4 EFFECTIVE AREA(ACRES) = 40.00 AVERAGED Fm(INCH/HR) = .582 - TOTAL AREA(ACRES) = 40.00 PEAK FLOW RATE(CFS) = 101.11 TC(MIN) = 16.28 k******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 348.10 TO NODE 349.10 IS CODE = 3 » PIPEFLOW TRAVELTIME THRU SUBAREA « » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< 4* DEPTH OF FLOW IN 42.0 INCH PIPE IS 33.6 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 12.2 "" UPSTREAM NODE ELEVATION = 1471.00 DOWNSTREAM NODE ELEVATION = 1456.00 • FLOWLENGTH(FEET) = 1350.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 42.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 101.11 TRAVEL TIME(MIN.) = 1.84 TC(MIN.) = 18.11 ,xr ******************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** LOW PROCESS FROM NODE 349.00 TO NODE 349.10 IS CODE = 8 9" » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< la " 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.180 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 31.00 SUBAREA RUNOFF(CFS) = 72.48 ;. EFFECTIVE AREA(ACRES) = 71.00 VERAGED Fm(INCH/HR) = .582 DOTAL AREA(ACRES) = 71.00 PEAK FLOW RATE(CFS) = 166.00 TC(MIN) = 18.11 0 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** "" FLOW PROCESS FROM NODE 349.10 TO NODE 345.10 IS CODE = 5 » » > COMPUTE TRAPEZOIDAL - CHANNEL FLOW««< » » >TRAVELTIME THRU SUBAREA« «< UPSTREAM NODE ELEVATION = 1456.00 DOWNSTREAM NODE ELEVATION = 1394.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 3200.00 CHANNEL BAS(FEET) = 4.00 "Z" FACTOR = 1.500 - MANNINGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 2.50 CHANNEL FLOW THRU SUBAREA(CFS) = 166.04 6. FLOWVELOCITY(FEET /SEC) = 14.92 FLOW DEPTH(FEET) = 1.70 TRAVEL TIME(MIN.) = 3.58 TC(MIN.) = 21.69 ° t******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 345.10 TO NODE 345.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< » » >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< ^ ONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: IME OF CONCENTRATION(MINUTES) = 21.69 RAINFALL INTENSITY (INCH. /HOUR) = 2.85 w• EFFECTIVE STREAM AREA(ACRES) = 71.00 TOTAL STREAM AREA(ACRES) = 71.00 • PEAK FLOW RATE(CFS) AT CONFLUENCE = 166.00 - CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE - NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 2904.65 31.48 2.283 .58 1897.83 2 166.00 21.69 2.854 .58 71.00 - RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. . SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE .. NUMBER Q(CFS) AREA(ACRES) . ' s 1 3028.89 1968.83 2 2840.15 1378.73 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 3028.89 TIME(MINUTES) = 31.477 EFFECTIVE AREA(ACRES) = 1968.83 TOTAL AREA(ACRES) = 2075.00 * 4 . ******************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** LAW PROCESS FROM NODE 345.10 TO NODE 350.00 IS CODE = 5 *" » » > COMPUTE TRAPEZOIDAL - CHANNEL FLOW« « < » » >TRAVELTIME THRU SUBAREA««< UPSTREAM NODE ELEVATION = 1394.00 DOWNSTREAM NODE ELEVATION = 1375.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1500.00 CHANNEL BASE(FEET) = 8.00 "Z" FACTOR = 1.500 'ANNINGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 8.00 4HANNEL FLOW THRU SUBAREA(CFS) = 3028.89 FLOW VELOCITY(FEET /SEC) = 26.55 FLOW DEPTH(FEET) = 6.45 AN TRAVEL TIME(MIN.) = .94 TC(MIN.) = 32.42 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** dm FLOW PROCESS FROM NODE 350.00 TO NODE 252.10 IS CODE = 5 » » > COMPUTE TRAPEZOIDAL - CHANNEL FLOW««< Al / » » > TRAVELTIME THRU SUBAREA««< • . UPSTREAM NODE ELEVATION = 1375.00 DOWNSTREAM NODE ELEVATION = 1320.00 0. CHANNEL LENGTH THRU SUBAREA(FEET) = 3000.00 CHANNEL BASE(FEET) = 8.00 "Z" FACTOR = 1.500 - MANNINGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 8.00 CHANNEL FLOW THRU SUBAREA(CFS) = 3028.89 FLOW VELOCITY(FEET /SEC) = 30.30 FLOW DEPTH(FEET) = 5.92 TRAVEL TIME(MIN.) 1.65 TC(MIN.) = 34.07 4N '********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 252.10 TO NODE 252.10 IS CODE = 1 ,,, » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE« «< » » >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES ««< ^ ONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: s IME OF CONCENTRATION(MINUTES) = 34.07 RAINFALL INTENSITY (INCH. /HOUR) = 2.18 EFFECTIVE STREAM AREA(ACRES) = 1968.83 TOTAL STREAM AREA(ACRES) = 2075.00 - PEAK FLOW RATE(CFS) AT CONFLUENCE = 3028.89 - CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 3028.89 34.07 2.177 .58 1968.83 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO w, CONFLUENCE FORMULA USED FOR 1 STREAMS. SUMMARY RESULTS: I. STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 3028.89 1968.83 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 3028.89 TIME(MINUTES) = 34.069 • EFFECTIVE AREA(ACRES) = 1968.83 TOTAL AREA(ACRES) = 2075.00 END OF STUDY SUMMARY: TOTAL AREA(ACRES) = 2075.00 EFFECTIVE AREA(ACRES) = 1968.83 BEAK FLOW RATE(CFS) = 3028.89 AM END OF RATIONAL METHOD ANALYSIS **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE (Reference: 1986 SAN BERNARDINO CO. HYDROLOGY CRITERION) Copyright 1983,86,87 Advanced Engineering Software (aes) Ver. 4.1C Release Date: 5/11/87 Serial # I00908 Especially prepared for: HALL & FOREMAN * * * * * * * * * * * * * * * * * * * * * * * * ** DESCRIPTION OF STUDY * * * * * * * * * * * * * * * * * * * * ** * NORTH FONTANA MASTER STORM DRAIN, LINE D * Q 25 -YEAR, DESIGN Q * JN 3547 *************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FILE NAME: LINED.25 TIME /DATE OF STUDY: 1: 5 1/ 1/1980 USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: -- *TIME -OF- CONCENTRATION MODEL * -- .. USER SPECIFIED STORM EVENT(YEAR) = 25.00 « SPECIFIED MINIMUM PIPE SIZE(INCH) = 18.00 SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE = *USER - DEFINED LOGARITHMIC INTERPOLATION USED FOR RAINFALL* 10 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.040 100 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.520 COMPUTED RAINFALL INTENSITY DATA: STORM EVENT = 25.00 1 -HOUR INTENSITY(INCH /HOUR) = 1.2069 SLOPE OF INTENSITY DURATION CURVE = .6000 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 200.00 TO NODE 200.10 IS CODE = 2 » »> RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 3 -4 DWELLINGS /ACRE TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW- LENGTH = 1000.00 UPSTREAM ELEVATION = 1530.10 DOWNSTREAM ELEVATION = 1508.10 ELEVATION DIFFERENCE = 22.00 TC = .412 *[( 1000.00 ** 3.00)/( 22.00)] ** .20 = 14.009 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.889 SOIL CLASSIFICATION IS "A" �► RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA RUNOFF(CFS) = 20.68 TOTAL AREA(ACRES) = 9.96 PEAK FLOW RATE(CFS) = 20.68 1 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 200.10 TO NODE 202.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 21.0 INCH PIPE IS 15.8 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 10.6 UPSTREAM NODE ELEVATION = 1508.10 DOWNSTREAM NODE ELEVATION = 1503.00 FLOWLENGTH(FEET) = 240.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 21.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 20.68 TRAVEL TIME(MIN.) = .38 TC(MIN.) = 14.39 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 202.10 TO NODE 202.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 14.39 RAINFALL INTENSITY (INCH. /HOUR) = 2.84 EFFECTIVE STREAM AREA(ACRES) = 9.96 TOTAL STREAM AREA(ACRES) = 9.96 PEAK FLOW RATE(CFS) AT CONFLUENCE = 20.68 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 201.00 TO NODE 202.10 IS CODE = 2 » » >RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 3 -4 DWELLINGS /ACRE TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW - LENGTH = 1100.00 UPSTREAM ELEVATION = 1529.90 DOWNSTREAM ELEVATION = 1503.00 ELEVATION DIFFERENCE = 26.90 TC = .412 *[( 1100.00 ** 3.00)/( 26.90)] ** .20 = 14.249 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.860 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA RUNOFF(CFS) = 13.61 TOTAL AREA(ACRES) = 6.64 PEAK FLOW RATE(CFS) = 13.61 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 202.10 TO NODE 202.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: 2 TIME OF CONCENTRATION(MINUTES) = 14.25 RAINFALL INTENSITY (INCH. /HOUR) = 2.86 EFFECTIVE STREAM AREA(ACRES) = 6.64 TOTAL STREAM AREA(ACRES) = 6.64 PEAK FLOW RATE(CFS) AT CONFLUENCE = 13.61 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 202.00 TO NODE 202.10 IS CODE = 2 » » >RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 3 -4 DWELLINGS /ACRE TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW- LENGTH = 750.00 UPSTREAM ELEVATION = 1512.90 DOWNSTREAM ELEVATION = 1503.00 ELEVATION DIFFERENCE = 9.90 TC = .412 *[( 750.00 ** 3.00)/( 9.90)] ** .20 = 13.830 ID 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.911 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA RUNOFF(CFS) = 6.23 TOTAL AREA(ACRES) = 2.97 PEAK FLOW RATE(CFS) = 6.23 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 202.10 TO NODE 202.10 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(MINUTES) = 13.83 RAINFALL INTENSITY (INCH. /HOUR) = 2.91 EFFECTIVE STREAM AREA(ACRES) = 2.97 TOTAL STREAM AREA(ACRES) = 2.97 PEAK FLOW RATE(CFS) AT CONFLUENCE = 6.23 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 20.68 14.39 2.843 .58 9.96 2 13.61 14.25 2.860 .58 6.64 3 6.23 13.83 2.911 .58 2.97 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 3 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 40.24 19.57 3 2 40.33 19.48 3 40.21 18.99 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 40.33 TIME(MINUTES) = 14.249 EFFECTIVE AREA(ACRES) = 19.48 TOTAL AREA(ACRES) = 19.57 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 202.10 TO NODE 204.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 27.0 INCH PIPE IS 19.6 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 13.0 UPSTREAM NODE ELEVATION = 1503.00 DOWNSTREAM NODE ELEVATION = 1490.50 FLOWLENGTH(FEET) = 540.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 27.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 40.33 TRAVEL TIME(MIN.) = .69 TC(MIN.) = 14.94 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 203.00 TO NODE 204.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « « < 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.780 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA AREA(ACRES) = 13.51 SUBAREA RUNOFF(CFS) = 26.72 EFFECTIVE AREA(ACRES) = 32.99 AVERAGED Fm(INCH /HR) = .582 0 TOTAL AREA(ACRES) = 33.08 PEAK FLOW RATE(CFS) = 65.24 TC(MIN) = 14.94 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 204.00 TO NODE 204.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.780 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA AREA(ACRES) = 5.75 SUBAREA RUNOFF(CFS) = 11.37 EFFECTIVE AREA(ACRES) = 38.74 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 38.83 PEAK FLOW RATE(CFS) = 76.61 0 TC(MIN) = 14.94 4 .0 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 204.10 TO NODE 206.10 IS CODE = 3 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 33.0 INCH PIPE IS 25.7 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 15.4 UPSTREAM NODE ELEVATION = 1490.50 DOWNSTREAM NODE ELEVATION = 1474.60 FLOWLENGTH(FEET) = 650.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 33.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 76.61 ry TRAVEL TIME(MIN.) = .70 TC(MIN.) = 15.64 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 205.00 TO NODE 206.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.704 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 11.62 SUBAREA RUNOFF(CFS) = 22.19 EFFECTIVE AREA(ACRES) = 50.36 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 50.45 PEAK FLOW RATE(CFS) = 96.17 TC(MIN) = 15.64 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 206.00 TO NODE 206.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.704 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 11.36 SUBAREA RUNOFF(CFS) = 21.70 EFFECTIVE AREA(ACRES) = 61.72 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 61.81 PEAK FLOW RATE(CFS) = 117.87 TC(MIN) = 15.64 a **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 206.10 TO NODE 208.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA ««< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) ««< 5 DEPTH OF FLOW IN 42.0 INCH PIPE IS 29.2 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 16.5 UPSTREAM NODE ELEVATION = 1474.60 DOWNSTREAM NODE ELEVATION = 1468.00 FLOWLENGTH(FEET) = 315.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 42.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 117.87 TRAVEL TIME(MIN.) = .32 TC(MIN.) = 15.96 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 208.10 TO NODE 208.10 IS CODE = 1 » »>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE ««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 15.96 RAINFALL INTENSITY (INCH. /HOUR) = 2.67 EFFECTIVE STREAM AREA(ACRES) = 61.72 TOTAL STREAM AREA(ACRES) = 61.81 PEAK FLOW RATE(CFS) AT CONFLUENCE = 117.87 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 208.00 TO NODE 208.10 IS CODE = 2 » » >RATIONAL METHOD INITIAL SUBAREA ANALYSIS ««< DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 3 -4 DWELLINGS /ACRE TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW- LENGTH = 820.00 UPSTREAM ELEVATION = 1478.90 DOWNSTREAM ELEVATION = 1468.00 ELEVATION DIFFERENCE = 10.90 TC = .412 *[( 820.00 ** 3.00)/( 10.90)] ** .20 = 14.312 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.852 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA RUNOFF(CFS) = 12.54 TOTAL AREA(ACRES) = 6.14 PEAK FLOW RATE(CFS) = 12.54 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 208.10 TO NODE 208.10 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(MINUTES) = 14.31 RAINFALL INTENSITY (INCH. /HOUR) = 2.85 EFFECTIVE STREAM AREA(ACRES) = 6.14 TOTAL STREAM AREA(ACRES) = 6.14 PEAK FLOW RATE(CFS) AT CONFLUENCE = 12.54 6 0 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 117.87 15.96 2.672 .58 61.72 2 12.54 14.31 2.852 .58 6.14 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 129.41 67.86 2 127.37 61.48 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 129.41 TIME(MINUTES) = 15.959 EFFECTIVE AREA(ACRES) = 67.86 TOTAL AREA(ACRES) = 67.95 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 208.10 TO NODE 208.20 IS CODE = 4 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< » » >USING USER - SPECIFIED PIPESIZE « «< PIPEFLOW VELOCITY(FEET /SEC.) = 13.5 UPSTREAM NODE ELEVATION = 1462.00 DOWNSTREAM NODE ELEVATION = 1460.00 FLOWLENGTH(FEET) = 620.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 42.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 129.41 TRAVEL TIME(MIN.) = .77 TC(MIN.) = 16.73 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 208.20 TO NODE 208.20 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 16.73 RAINFALL INTENSITY (INCH. /HOUR) = 2.60 EFFECTIVE STREAM AREA(ACRES) = 67.86 TOTAL STREAM AREA(ACRES) = 67.95 PEAK FLOW RATE(CFS) AT CONFLUENCE = 129.41 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 207.00 TO NODE 208.20 IS CODE = 2 » » >RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< 7 4 DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 3 -4 DWELLINGS /ACRE TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW- LENGTH = 900.00 UPSTREAM ELEVATION = 1488.00 DOWNSTREAM ELEVATION = 1467.00 ELEVATION DIFFERENCE = 21.00 TC = .412 *[( 900.00 ** 3.00)/( 21.00)] ** .20 = 13.274 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.984 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA RUNOFF(CFS) = 18.85 TOTAL AREA(ACRES) = 8.72 PEAK FLOW RATE(CFS) = 18.85 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 208.20 TO NODE 208.20 IS CODE = 1 0 » »>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< » »>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES« «< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 13.27 RAINFALL INTENSITY (INCH. /HOUR) = 2.98 ► EFFECTIVE STREAM AREA(ACRES) = 8.72 TOTAL STREAM AREA(ACRES) = 8.72 PEAK FLOW RATE(CFS) AT CONFLUENCE = 18.85 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 0 1 129.41 16.73 2.597 .58 67.86 2 18.85 13.27 2.984 .58 8.72 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 145.23 76.58 2 141.24 62.57 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 145.23 TIME(MINUTES) = 16.728 EFFECTIVE AREA(ACRES) = 76.58 0 TOTAL AREA(ACRES) = 76.67 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 0 FLOW PROCESS FROM NODE 208.20 TO NODE 209.10 IS CODE = 3 » »> COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< 0 8 4- DEPTH OF FLOW IN 42.0 INCH PIPE IS 33.2 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 17.8 UPSTREAM NODE ELEVATION = 1460.00 DOWNSTREAM NODE ELEVATION = 1433.00 FLOWLENGTH(FEET) = 1150.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 42.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 145.23 TRAVEL TIME(MIN.) = 1.08 TC(MIN.) = 17.80 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 209.00 TO NODE 209.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.502 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 22.04 SUBAREA RUNOFF(CFS) = 38.08 EFFECTIVE AREA(ACRES) = 98.62 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 98.71 PEAK FLOW RATE(CFS) = 170.39 TC(MIN) = 17.80 IC **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 209,.4 TO NODE 210.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 48.0 INCH PIPE IS 33.9 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 18.0 UPSTREAM NODE ELEVATION = 1433.00 DOWNSTREAM NODE ELEVATION = 1413.00 FLOWLENGTH(FEET) = 965.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 48.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 170.39 TRAVEL TIME(MIN.) = .89 TC(MIN.) = 18.70 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 210.00 TO NODE 210.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.429 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA AREA(ACRES) = 25.47 SUBAREA RUNOFF(CFS) = 42.35 EFFECTIVE AREA(ACRES) = 124.09 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 124.18 PEAK FLOW RATE(CFS) = 206.31 9 TC(MIN) = 18.70 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 210.10 TO NODE 211.10 IS CODE = 3 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) ««< DEPTH OF FLOW IN 51.0 INCH PIPE IS 37.3 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 18.5 UPSTREAM NODE ELEVATION = 1413.00 DOWNSTREAM NODE ELEVATION = 1404.00 FLOWLENGTH(FEET) = 450.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 51.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 206.31 TRAVEL TIME(MIN.) = .40 TC(MIN.) = 19.10 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 211.00 TO NODE 211.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.398 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA AREA(ACRES) = 27.71 SUBAREA RUNOFF(CFS) = 45.30 EFFECTIVE AREA(ACRES) = 151.80 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 151.89 PEAK FLOW RATE(CFS) = 248.14 TC(MIN) = 19.10 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 211.10 TO NODE 211.10 IS CODE = 1 » »>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 19.10 RAINFALL INTENSITY (INCH. /HOUR) = 2.40 EFFECTIVE STREAM AREA(ACRES) = 151.80 TOTAL STREAM AREA(ACRES) = 151.89 ssw* NEY PEAK FLOW RATE(CFS) AT CONFLUENCE = 248.14 PAGE **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 211.10 TO NODE 211.10 IS CODE = 7 » »>USER SPECIFIED HYDROLOGY INFORMATION AT NODE ««< USER - SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 32.74 RAIN INTENSITY(INCH /HOUR) = 1.74 10 wr hieter g 070temag., ate. CIVIL ENGINEERING • LAND PLANNING • LAND SURVEYING SUBJECT I BY 1 DATE JOB NO. SHEET OF 3.54'7 /O A 0 VE,e/ 'W 0 10 = 34° DRA/AJS AL 47 A/6 JZ AJ / ,'EP Q z s = 24 3 To 14/A 05 S 0 JTWW1 .92.0 CP 91.0 /S/.8 - gi Ac 3¢0 re _ /9. P,., - • 57 Z a• a. 3170 REDHILL AVENUE • COSTAMESA, CALIFORNIA 92626 -3428 • (714) 641 -8777 EFFECTIVE AREA(ACRES) = 320.00 TOTAL AREA(ACRES) = 320.00 PEAK FLOW RATE(CFS) = 513.52 AVERAGED LOSS RATE, Fm(IN /HR) = .580 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 211.10 TO NODE 211.10 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(MINUTES) = 32.74 RAINFALL INTENSITY (INCH. /HOUR) = 1.74 EFFECTIVE STREAM AREA(ACRES) = 320.00 TOTAL STREAM AREA(ACRES) = 320.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 513.52 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 248.14 19.10 2.398 .58 151.80 2 513.52 32.74 1.736 .58 320.00 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 719.48 338.51 2 671.16 471.80 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 719.48 TIME(MINUTES) = 19.104 EFFECTIVE AREA(ACRES) = 338.51 TOTAL AREA(ACRES) = 471.89 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 211.10 TO NODE 212.10 IS CODE = 4 » » > COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « « < » » >USING USER - SPECIFIED PIPESIZE« PIPEFLOW VELOCITY(FEET /SEC.) = 12.7 UPSTREAM NODE ELEVATION = 1404.00 DOWNSTREAM NODE ELEVATION = 1398.00 FLOWLENGTH(FEET) = 1315.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 102.00 NUMBER OF PIPES = 1 ,�. PIPEFLOW THRU SUBAREA(CFS) = 719.48 TRAVEL TIME(MIN.) = 1.73 TC(MIN.) = 20.83 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 11 .,p ,+YR FLOW PROCESS FROM NODE 212.00 TO NODE 212.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.277 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA AREA(ACRES) = 78.90 SUBAREA RUNOFF(CFS) = 120.35 EFFECTIVE AREA(ACRES) = 417.41 AVERAGED Fm(INCH/HR) = .581 TOTAL AREA(ACRES) = 550.79 PEAK FLOW RATE(CFS) = 719.48 SFE TC(MIN) = 20.83 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 212.10 TO NODE 213.10 IS CODE = 4 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< » » >USING USER - SPECIFIED PIPESIZE« «< PIPEFLOW VELOCITY(FEET /SEC.) = 12.7 UPSTREAM NODE ELEVATION = 1398.00 DOWNSTREAM NODE ELEVATION = 1392.00 FLOWLENGTH(FEET) = 1320.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 102.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 719.48 TRAVEL TIME(MIN.) = 1.74 TC(MIN.) = 22.57 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 213.00 TO NODE 213.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « « < 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.170 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 78.75 SUBAREA RUNOFF(CFS) = 112.56 EFFECTIVE AREA(ACRES) = 496.16 AVERAGED Fm(INCH/HR) = .581 TOTAL AREA(ACRES) = 629.54 PEAK FLOW RATE(CFS) = 719.48 s FF TC(MIN) = 22.57 40 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 213.10 TO NODE 214.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) ««< DEPTH OF FLOW IN 102.0 INCH PIPE IS 76.4 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 15.8 • UPSTREAM NODE ELEVATION = 1392.00 12 hileter g 20feesteut., ate. CIVIL ENGINEERING • LAND PLANNING • LAND SURVEYING SUBJECT I BY I DATE JOB NO. 7 I SHEET OF OSA 35-It OVE,2 A / O Q , ,, = /C7.3 v,TA /A'S A Go/r/6 l yio,P,67ss �2s /z o, 3 To,,,i c,2s soarzt 17.0 c,'s x 78, .9 = 22 2 4c /6'7.3 _ I8.‘ , ✓ O 0,00= /594 �zs = //2,‘ 4c, g CFs ¢6$ X 78,75 = 23./ .4C /s9 T, = /e, sa mmk 3170 REDHILL AVENUE • COSTAMESA, CALIFORNIA 92626 -3428 • (714) 641 -8777 DOWNSTREAM NODE ELEVATION = 1384.00 FLOWLENGTH(FEET) = 1400.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 102.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 719.48 TRAVEL TIME(MIN.) = 1.48 TC(MIN.) = 24.05 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 214.00 TO NODE 214.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.089 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 82.69 SUBAREA RUNOFF(CFS) = 112.16 EFFECTIVE AREA(ACRES) = 578.85 AVERAGED Fm(INCH/HR) = .581 TOTAL AREA(ACRES) = 712.23 O PEAK FLOW RATE(CFS) = 785.46 5 TC(MIN) = 24.05 ,,,Exr PA OE **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 214.10 TO NODE 214.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE« « < CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 24.05 RAINFALL INTENSITY (INCH. /HOUR) = 2.09 EFFECTIVE STREAM AREA(ACRES) = 578.85 TOTAL STREAM AREA(ACRES) = 712.23 PEAK FLOW RATE(CFS) AT CONFLUENCE = 785.46 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 215.00 TO NODE 215.11 IS CODE = 2 » » >RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 3 -4 DWELLINGS /ACRE TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW- LENGTH = 1000.00 UPSTREAM ELEVATION = 1528.00 DOWNSTREAM ELEVATION = 1495.00 ELEVATION DIFFERENCE = 33.00 TC = .412 *[( 1000.00 ** 3.00)/( 33.00)] ** .20 = 12.918 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.033 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA RUNOFF(CFS) = 11.03 TOTAL AREA(ACRES) = 5.00 PEAK FLOW RATE(CFS) = 11.03 13 Xter g 2ageemetit, ate. ■- CIVIL ENGINEERING • LAND PLANNING • LAND SURVEYING SUBJECT BY 1 DATE I JOB s 7 I SHEET OF OVER /Zv✓ 0 Q uo = /59. ,Dea.,,v AG orvG C iTRVS Q.25- // 2.2 To Pi/A. '4Zr So Uriv 47, S err-5 4 5 x 82.7 = 2 .6Ac /5:". 7 /8. C Ava 3170 REDHILL AVENUE • COSTAMESA, CALIFORNIA 92626 -3428 • (714) 641 -8777 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 215.11 TO NODE 215.12 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 18.0 INCH PIPE IS 10.4 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 10.4 UPSTREAM NODE ELEVATION = 1495.00 DOWNSTREAM NODE ELEVATION = 1466.50 �• FLOWLENGTH(FEET) = 1000.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 11.03 TRAVEL TIME(MIN.) = 1.61 TC(MIN.) = 14.53 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 215.10 TO NODE 215.12 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.827 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 5.00 SUBAREA RUNOFF(CFS) = 10.10 EFFECTIVE AREA(ACRES) = 10.00 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 20.20 TC(MIN) = 14.53 e **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 215.12 TO NODE 216.10 IS CODE = 3 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« « < »» >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 30.0 INCH PIPE IS 22.8 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 5.1 UPSTREAM NODE ELEVATION = 1466.50 DOWNSTREAM NODE ELEVATION = 1466.00 FLOWLENGTH(FEET) = 167.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 30.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 20.20 TRAVEL TIME(MIN.) = .55 TC(MIN.) = 15.08 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 216.00 TO NODE 216.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.764 14 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 19.64 EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 39.28 TC(MIN) = 15.08 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 216.10 TO NODE 217.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) ««< DEPTH OF FLOW IN 39.0 INCH PIPE IS 28.6 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 6.0 UPSTREAM NODE ELEVATION = 1466.00 DOWNSTREAM NODE ELEVATION = 1465.00 0 FLOWLENGTH(FEET) = 330.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 39.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 39.28 TRAVEL TIME(MIN.) = .91 TC(MIN.) = 15.99 **************************************** ** ********************* * * * * * * ** FLOW PROCESS FROM NODE 217.00 TO NODE 217.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.669 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 37.56 EFFECTIVE AREA(ACRES) = 40.00 AVERAGED Fm(INCH /HR) = .582 - TOTAL AREA(ACRES) = 40.00 PEAK FLOW RATE(CFS) = 75.12 TC(MIN) = 15.99 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 217.10 TO NODE 218.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 48.0 INCH PIPE IS 38.6 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 6.9 UPSTREAM NODE ELEVATION = 1465.00 DOWNSTREAM NODE ELEVATION = 1463.00 FLOWLENGTH(FEET) = 670.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 48.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 75.12 15 TRAVEL TIME(MIN.) = 1.61 TC(MIN.) = 17.60 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 218.00 TO NODE 218.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.519 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 69.75 EFFECTIVE AREA(ACRES) = 80.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 80.00 PEAK FLOW RATE(CFS) = 139.50 TC(MIN) = 17.60 sE ,vLY r ff:4GF **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 218.10 TO NODE 219.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 60.0 INCH PIPE IS 45.3 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 8.8 UPSTREAM NODE ELEVATION = 1463.00 DOWNSTREAM NODE ELEVATION = 1458.00 FLOWLENGTH(FEET) = 1400.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 60.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 139.50 TRAVEL TIME(MIN.) = 2.66 TC(MIN.) = 20.26 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 219.00 TO NODE 219.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.315 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 80.00 SUBAREA RUNOFF(CFS) = 124.80 EFFECTIVE AREA(ACRES) = 160.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 160.00 PEAK FLOW RATE(CFS) = 249.59 TC(MIN) = 20.26 lsE� **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 219.10 TO NODE 220.10 IS CODE = 4 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< 16 pr 4110 ?lee g (oveeimee,g, ate. CIVIL ENGINEERING • LAND PLANNING • LAND SURVEYING SUBJECT DATE JOB NO. SHEET OF I BY I 359 7 l 0VEeeFLoVI/ O = /8$ 9 /QR 4 /VS At. o A)6 C Yf',e,EL-S Q 100 �oW.4 SodTH a 25- 13.9. 5 4,5).4 cFs 49 ' ¢ X 80 A c = 20.9 Ac /58.9 Tc = 18.6 A1 /y , 5 O 0 ,00 = /7/. 0 ORA/ i5 ALcw di...4=.9 / ✓,2 ' To r✓ A A . S S 04/7i/ Ci = _/ 24.8 46: C/S 46.2 X BOAC = 2/. ,4c /7/• 0 r /8.6 ,L/�N F,„ = . 82 AO 4110 WO 3170 REDHILL AVENUE • COSTAMESA, CALIFORNIA 92626 -3428 • (714) 641 -8777 » » >USING USER - SPECIFIED PIPESIZE « «< PIPEFLOW VELOCITY(FEET /SEC.) = 12.7 UPSTREAM NODE ELEVATION = 1458.00 DOWNSTREAM NODE ELEVATION = 1451.00 0 FLOWLENGTH(FEET) = 1400.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 60.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 249.59 TRAVEL TIME(MIN.) = 1.84 TC(MIN.) = 22.09 0 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 220.00 TO NODE 220.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.198 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 83.00 SUBAREA RUNOFF(CFS) = 120.71 4oif EFFECTIVE AREA(ACRES) = 243.00 AVERAGED.Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 243.00 PEAK FLOW RATE(CFS) = 353.39 SFE TC(MIN) = 22.09 i,/EaCT PAYE **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** "r FLOW PROCESS FROM NODE 220.10 TO NODE 214.10 IS CODE = 3 » »> COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 60.0 INCH PIPE IS 46.6 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 21.6 UPSTREAM NODE ELEVATION = 1451.00 DOWNSTREAM NODE ELEVATION = 1395.00 FLOWLENGTH(FEET) = 2600.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 60.00 NUMBER OF PIPES = 1 ° PIPEFLOW THRU SUBAREA(CFS) = 353.39 TRAVEL TIME(MIN.) = 2.01 TC(MIN.) = 24.10 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 214.10 TO NODE 214.10 IS CODE = 1 0 >» »DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE« «< » »>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES ««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: 0 TIME OF CONCENTRATION(MINUTES) = 24.10 RAINFALL INTENSITY (INCH. /HOUR) = 2.09 EFFECTIVE STREAM AREA(ACRES) = 243.00 TOTAL STREAM AREA(ACRES) = 243.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 353.39 17 h 204feemeteit, Rite. „„„ CIVIL ENGINEERING • LAND PLANNING • LAND SURVEYING SUBJECT I BY DATE JOB SHEET I 1 B NO 3S9 7 I OF /7.t O Quo /C8 .9 0/24 /it/S A 0 A I 4. Cfre 2s /ZO• % /A 1Z 5 so 'TN 18, 2 cf5 f8.2 X 83 = 23.7 Ac /6g 9 re = . (8.6 fto 44 IMO alb 4i Aft •r 3170 REDHILL AVENUE • COSTAMESA, CALIFORNIA 92626 -3428 • (714) 641 -8777 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 785.46 24.05 2.089 .58 578.85 2 353.39 24.10 2.086 .58 243.00 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 1138.72 821.29 2 1137.35 821.85 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 1138.72 TIME(MINUTES) = 24.046 EFFECTIVE AREA(ACRES) = 821.29 TOTAL AREA(ACRES) = 955.23 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 214.10 TO NODE 221.10 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL - CHANNEL FLOW « «< » » >TRAVELTIME THRU SUBAREA««< UPSTREAM NODE ELEVATION = 1395.00 DOWNSTREAM NODE ELEVATION = 1380.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 2600.00 CHANNEL BASE(FEET) = 16.00 "Z" FACTOR = .000 MANNINGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 6.00 CHANNEL FLOW THRU SUBAREA(CFS) = 1138.72 FLOW VELOCITY(FEET /SEC) = 15.38 FLOW DEPTH(FEET) = 4.63 TRAVEL TIME(MIN.) = 2.82 TC(MIN.) = 26.86 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 221.00 TO NODE 221.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.955 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 156.00 SUBAREA RUNOFF(CFS) = 192.72 EFFECTIVE AREA(ACRES) = 977.29 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 1111.23 PEAK FLOW RATE(CFS) = 1207.67 SE E TC(MIN) = 26.86 T P/ 464- ato **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 18 1 Xtet g 20geestelo., Rite. MEW CIVIL ENGINEERING • LAND PLANNING • LAND SURVEYING gas SUBJECT I BY DATE JOB NO. SHEET OF , l 359 I /BA O vE E' Z oW O ,2 i00 ' 272 5 02 5 . = 1.92. 7 O.2f+ /4V Az a416" ALtifER /4 ��. C`S Tow.aR,c2S So at,/ 84,8 X/S6s i7.7 ,Gc 2 77.5 T = M. vie 40 3170 REDHILL AVENUE • COSTAMESA, CALIFORNIA 92626 -3428 • (714) 641 -8777 FLOW PROCESS FROM NODE 221.10 TO NODE 221.10 IS CODE = 1 4 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 26.86 RAINFALL INTENSITY (INCH. /HOUR) = 1.95 EFFECTIVE STREAM AREA(ACRES) = 977.29 TOTAL STREAM AREA(ACRES) = 1111.23 PEAK FLOW RATE(CFS) AT CONFLUENCE = 1207.67 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 222.00 TO NODE 222.11 IS CODE = 2 » » >RATIONAL METHOD INITIAL SUBAREA ANALYSIS« DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 3 -4 DWELLINGS /ACRE TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW - LENGTH = 1000.00 UPSTREAM ELEVATION = 1511.00 DOWNSTREAM ELEVATION = 1481.00 ELEVATION DIFFERENCE = 30.00 TC = .412 *[( 1000.00 ** 3.00)/( 30.00)] ** .20 = 13.167 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.998 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA RUNOFF(CFS) = 10.87 TOTAL AREA(ACRES) = 5.00 PEAK FLOW RATE(CFS) = 10.87 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 222.11 TO NODE _222.12 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« « < » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) ««< ESTIMATED PIPE DIAMETER(INCH) INCREASED TO 18.000 DEPTH OF FLOW IN 18.0 INCH PIPE IS 10.1 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 10.7 UPSTREAM NODE ELEVATION = 1481.00 DOWNSTREAM NODE ELEVATION = 1450.00 FLOWLENGTH(FEET) = 1000.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 10.87 TRAVEL TIME(MIN.) = 1.56 TC(MIN.) = 14.73 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 222.10 TO NODE 222.12 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.803 19 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA AREA(ACRES) = 5.00 SUBAREA RUNOFF(CFS) = 10.00 EFFECTIVE AREA(ACRES) = 10.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 19.99 TC(MIN) = 14.73 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 222.12 TO NODE 223.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 27.0 INCH PIPE IS 19.2 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 6.6 UPSTREAM NODE ELEVATION = 1450.00 DOWNSTREAM NODE ELEVATION = 1449.00 FLOWLENGTH(FEET) = 167.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 27.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 19.99 TRAVEL TIME(MIN.) = .42 TC(MIN.) = 15.15 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 223.00 TO NODE 223.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « « < 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.756 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 19.57 EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 39.14 TC(MIN) = 15.15 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 223.10 TO NODE 224.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< DEPTH OF FLOW IN 33.0 INCH PIPE IS 25.2 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 8.0 UPSTREAM NODE ELEVATION = 1449.00 DOWNSTREAM NODE ELEVATION = 1446.80 FLOWLENGTH(FEET) = 330.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 33.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 39.14 20 TRAVEL TIME(MIN.) = .68 TC(MIN.) = 15.83 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 224.00 TO NODE 224.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.684 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 37.84 EFFECTIVE AREA(ACRES) = 40.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 40.00 PEAK FLOW RATE(CFS) = 75.68 TC(MIN) = 15.83 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 224.10 TO NODE 225.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 45.0 INCH PIPE IS 33.8 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 8.5 UPSTREAM NODE ELEVATION = 1446.80 DOWNSTREAM NODE ELEVATION = 1443.50 FLOWLENGTH(FEET) = 670.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 45.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 75.68 TRAVEL TIME(MIN.) = 1.31 TC(MIN.) = 17.15 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 225.00 TO NODE 225.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.559 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 71.17 EFFECTIVE AREA(ACRES) = 80.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 80.00 O PEAK FLOW RATE(CFS) = 142.34 EE TC(MIN) = 17.15 AJE-K1 /= **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 225.10 TO NODE 226.10 IS CODE = 3 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA ««< 21 4 4 4 Agt g 20teMeelt, t• CIVIL ENGINEERING • LAND PLANNING • LAND SURVEYING SUBJECT I BY I DATE I JOBNNO. I SHEET /A OF 0v ",e, O Q t o o = 152.3 DR/ /44 AG o Ai G Az .t rg2 /s1 a2 s ° /1t2. 3 To 50 JJT// S � C/5 So X 80= 20, AC /) 2. Tc = /7 2 _ . 5 3170 REDHILL AVENUE • COSTAMESA, CALIFORNIA 92626 -3428 • (714) 641 -8777 » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 54.0 INCH PIPE IS 39.7 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 11.3 UPSTREAM NODE ELEVATION = 1443.50 DOWNSTREAM NODE ELEVATION = 1435.00 FLOWLENGTH(FEET) = 1225.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 54.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 142.34 TRAVEL TIME(MIN.) = 1.80 TC(MIN.) = 18.95 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 4 FLOW PROCESS FROM NODE 226.00 TO NODE 226.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.410 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 74.00 SUBAREA RUNOFF(CFS) = 121.76 EFFECTIVE AREA(ACRES) = 154.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 154.00 Ste& PEAK FLOW RATE(CFS) = 253.39 NExT TC(MIN) = 18.95 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * J. J..L - ..L FLOW PROCESS FROM NODE 226.10 TO NODE 221.10 IS CODE = 3 » »> COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< »» >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) ««< DEPTH OF FLOW IN 54.0 INCH PIPE IS 40.4 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 19.9 UPSTREAM NODE ELEVATION = 1435.00 DOWNSTREAM NODE ELEVATION = 1380.00 FLOWLENGTH(FEET) = 2600.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 54.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 253.39 TRAVEL TIME(MIN.) = 2.18 TC(MIN.) = 21.13 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 221.10 TO NODE 221.10 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(MINUTES) = 21.13 RAINFALL INTENSITY (INCH. /HOUR) = 2.26 EFFECTIVE STREAM AREA(ACRES) = 154.00 TOTAL STREAM AREA(ACRES) = 154.00 22 Xer g 26/aemetit, ec. MEM CIVIL ENGINEERING • LAND PLANNING • LAND SURVEYING SUBJECT I BY I DATE JOB NO. s � 7 I SHEET 22A OF J OVER O , -100 --7 Q 25 = /2 48 To wAR.as SoaTA ¢¢. / 44.1 x78 = /9.7 rte /8.c WIN ■rr 3170 REDHILL AVENUE • COSTAMESA, CALIFORNIA 92626 -3428 • (714) 641 -8777 PEAK FLOW RATE(CFS) AT CONFLUENCE = 253.39 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 1207.67 26.86 1.955 .58 977.29 2 253.39 21.13 2.258 .58 154.00 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 1415.24 1131.29 2 1412.80 922.64 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 1415.24 TIME(MINUTES) = 26.865 EFFECTIVE AREA(ACRES) = 1131.29 TOTAL AREA(ACRES) = 1265.23 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 221.10 TO NODE 227.10 IS CODE = 5 » »>COMPUTE TRAPEZOIDAL - CHANNEL FLOW« «< » » >TRAVELTIME THRU SUBAREA « «< UPSTREAM NODE ELEVATION = 1380.00 DOWNSTREAM NODE ELEVATION = 1362.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 2670.00 CHANNEL BASE(FEET) = 16.00 "Z" FACTOR = .000 MANNINGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 6.00 CHANNEL FLOW THRU SUBAREA(CFS) = 1415.24 FLOW VELOCITY(FEET /SEC) = 17.35 FLOW DEPTH(FEET) = 5.10 TRAVEL TIME(MIN.) = 2.56 TC(MIN.) = 29.43 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 227.00 TO NODE 227.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.851 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA AREA(ACRES) = 160.25 SUBAREA RUNOFF(CFS) = 182.96 EFFECTIVE AREA(ACRES) = 1291.54 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 1425.48 O PEAK FLOW RATE(CFS) = 1474.93 - TC(MIN) = 29.43 N YT 23 hiete g 26/0000,., ate. MEM CIVIL ENGINEERING • LAND PLANNING • LAND SURVEYING SUBJECT I BY I DATE JOB 3 � I SHEET OF «as 234 „ORA /.t/ S AG_ 04/6 S (a-TA/Q.1 O L ioo : Z6"7. Toktmg Sour,/ �Zs = / A. 8 4.‘ cFs 84. e 25 = sa 7 ,v- 267, T - /8. ,582 • AN ,. am 3170 REDHILL AVENUE • COSTAMESA, CALIFORNIA 92626 -3428 • (714) 641 -8777 0 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 227.10 TO NODE 227.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE« « < CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 29.43 RAINFALL INTENSITY (INCH. /HOUR) = 1.85 EFFECTIVE STREAM AREA(ACRES) = 1291.54 TOTAL STREAM AREA(ACRES) = 1425.48 PEAK FLOW RATE(CFS) AT CONFLUENCE = 1474.93 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 228.00 TO NODE 228.11 IS CODE = 2 » » >RATIONAL METHOD INITIAL SUBAREA ANALYSIS« «< DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 3 -4 DWELLINGS /ACRE TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW- LENGTH = 1000.00 UPSTREAM ELEVATION = 1491.00 DOWNSTREAM ELEVATION = 1462.00 ELEVATION DIFFERENCE = 29.00 TC = .412 *[( 1000.00 ** 3.00)/( 29.00)] ** .20 = 13.256 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.986 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HP.) - _5 SUBAREA RUNOFF(CFS) = 10.82 TOTAL AREA(ACRES) = 5.00 PEAK FLOW RATE(CFS) = 10.82 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 228.11 TO NODE 228.12 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< ... » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) ««< DEPTH OF FLOW IN 18.0 INCH PIPE IS 10.3 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 10.3 UPSTREAM NODE ELEVATION = 1462.00 DOWNSTREAM NODE ELEVATION = 1433.50 FLOWLENGTH(FEET) = 1000.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 10.82 TRAVEL TIME(MIN.) = 1.61 TC(MIN.) = 14.87 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 228.10 TO NODE 228.12 IS CODE = 8 •. » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.787 24 ° SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 5.00 SUBAREA RUNOFF(CFS) = 9.92 EFFECTIVE AREA(ACRES) = 10.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 19.85 TC(MIN) = 14.87 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 228.12 TO NODE 229.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< DEPTH OF FLOW IN 24.0 INCH PIPE IS 18.7 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 7.6 UPSTREAM NODE ELEVATION = 1433.50 DOWNSTREAM NODE ELEVATION = 1432.00 FLOWLENGTH(FEET) = 167.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 19.85 TRAVEL TIME(MIN.) = .37 TC(MIN.) = 15.24 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 229.00 TO NODE 229.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.747 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 19.48 EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 38.96 TC(MIN) = 15.24 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 229.10 TO NODE 230.10 IS CODE = 3 "" » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« « < » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 33.0 INCH PIPE IS 22.2 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 9.2 UPSTREAM NODE ELEVATION = 1432.00 DOWNSTREAM NODE ELEVATION = 1429.00 FLOWLENGTH(FEET) = 330.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 33.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 38.96 25 TRAVEL TIME(MIN.) = .60 TC(MIN.) = 15.84 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 230.00 TO NODE 230.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.684 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 37.83 EFFECTIVE AREA(ACRES) = 40.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 40.00 PEAK FLOW RATE(CFS) = 75.67 TC(MIN) = 15.84 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 230.10 TO NODE 231.10 IS CODE = 3 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 42.0 INCH PIPE IS 31.0 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 10.0 UPSTREAM NODE ELEVATION = 1429.00 DOWNSTREAM NODE ELEVATION w 1424.00 FLOWLENGTH(FEET) = 670.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 42.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 75.67 TRAVEL TIME(MIN.) = 1.12 TC(MIN.) = 16.96 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 231.00 TO NODE 231.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.576 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 71.78 EFFECTIVE AREA(ACRES) = 80.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 80.00 PEAK FLOW RATE(CFS) = 143.56 TC(MIN) = 16.96 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 231.10 TO NODE 232.10 IS CODE = 3 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< 26 » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 45.0 INCH PIPE IS 32.1 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 17.0 UPSTREAM NODE ELEVATION = 1424.00 DOWNSTREAM NODE ELEVATION = 1416.00 FLOWLENGTH(FEET) = 670.00 MANNINGS N = .010 ESTIMATED PIPE DIAMETER(INCH) = 45.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 143.56 TRAVEL TIME(MIN.) = .66 TC(MIN.) = 17.61 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 232.00 TO NODE 233.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.518 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 69.69 EFFECTIVE AREA(ACRES) = 120.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 120.00 PEAK FLOW RATE(CFS) = 209.08 TC(MIN) = 17.61 ************************************************** * * * * * * * * * * ***� :............. FLOW PROCESS FROM NODE 232.10 TO NODE 233.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »» >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) ««< DEPTH OF FLOW IN 54.0 INCH PIPE IS 41.7 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 15.9 UPSTREAM NODE ELEVATION = 1416.00 DOWNSTREAM NODE ELEVATION = 1407.00 FLOWLENGTH(FEET) = 670.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 54.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 209.08 TRAVEL TIME(MIN.) = .70 TC(MIN.) = 18.32 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 233.00 TO NODE 233.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.460 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 46.00 SUBAREA RUNOFF(CFS) = 77.73 EFFECTIVE AREA(ACRES) = 166.00 AVERAGED Fm(INCH/HR) = .582 27 TOTAL AREA(ACRES) = 166.00 PEAK FLOW RATE(CFS) = 280.50 TC(MIN) = 18.32 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 233.10 TO NODE 227.10 IS CODE = 3 » »> COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 57.0 INCH PIPE IS 45.4 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 18.6 4 UPSTREAM NODE ELEVATION = 1407.00 SA=G DOWNSTREAM NODE ELEVATION = 1362.00 NE FLOWLENGTH(FEET) = 2650.00 MANNINGS N = .013 PA 6� ESTIMATED PIPE DIAMETER(INCH) = 57.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 280.50 TRAVEL TIME(MIN.) = 2.38 TC(MIN.) = 20.70 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 227.10 TO NODE 227.10 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(MINUTES) = 20.70 RAINFALL INTENSITY (INCH. /HOUR) = 2.29 EFFECTIVE STREAM AREA(ACRES) = 166.00 TOTAL STREAM AREA(ACRES) = 166.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 280.50 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 1474.93 29.43 1.851 .58 1291.54 2 280.50 20.70 2.286 .58 166.00 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 1683.80 1457.54 2 1673.57 1074.39 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 1683.80 TIME(MINUTES) = 29.429 EFFECTIVE AREA(ACRES) = 1457.54 ° TOTAL AREA(ACRES) = 1591.48 28 Iwa X#2," g 26/0,0624t, aft. -- CIVIL ENGINEERING • LAND PLANNING • LAND SURVEYING SUBJECT I BY I DATE 1 JOB NO. 4 I SHEET OF I OVER / ow O I / oo -. 38 0. 4 47/z /ivs ,4z o,/G ,B FECy Q z s T� � - so am/ c fs Am X9,.9 .1) .9,.9 X /6E _ .1 380.¢ T /6, 3 As to Am 3170 REDHILL AVENUE • COSTA MESA, CALIFORNIA 92626 -3428 • (714) 641 -8777 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 227.10 TO NODE 234.10 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL - CHANNEL FLOW ««< » » >TRAVELTIME THRU SUBAREA« «< UPSTREAM NODE ELEVATION = 1362.00 DOWNSTREAM NODE ELEVATION = 1336.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 2700.00 CHANNEL BASE(FEET) = 18.00 "Z" FACTOR = .000 MANNINGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 6.00 CHANNEL FLOW THRU SUBAREA(CFS) = 1683.80 FLOW VELOCITY(FEET /SEC) = 20.42 FLOW DEPTH(FEET) = 4.58 TRAVEL TIME(MIN.) = 2.20 TC(MIN.) = 31.63 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 234.00 TO NODE 234.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.772 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 160.00 SUBAREA RUNOFF(CFS) = 171.38 EFFECTIVE AREA(ACRES) = 1617.54 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 1751.48 PEAK FLOW RATE(CFS) = 1732.88 TC(MIN) = 31.63 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 234.10 TO NODE 234.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 31.63 RAINFALL INTENSITY (INCH. /HOUR) = 1.77 EFFECTIVE STREAM AREA(ACRES) = 1617.54 TOTAL STREAM AREA(ACRES) = 1751.48 PEAK FLOW RATE(CFS) AT CONFLUENCE = 1732.88 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 235.00 TO NODE 235.11 IS CODE = 2 » » >RATIONAL METHOD INITIAL SUBAREA ANALYSIS « «< DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 3 -4 DWELLINGS /ACRE TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW - LENGTH = 1000.00 UPSTREAM ELEVATION = 1463.00 29 10 DOWNSTREAM ELEVATION = 1435.00 ELEVATION DIFFERENCE = 28.00 TC = .412 *[( 1000.00 ** 3.00)/( 28.00)] ** .20 = 13.350 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.974 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA RUNOFF(CFS) = 10.76 TOTAL AREA(ACRES) = 5.00 PEAK FLOW RATE(CFS) = 10.76 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 235.11 TO NODE 235.12 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA ««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) ««< ESTIMATED PIPE DIAMETER(INCH) INCREASED TO 18.000 DEPTH OF FLOW IN 18.0 INCH PIPE IS 10.2 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 10.5 UPSTREAM NODE ELEVATION = 1435.00 DOWNSTREAM NODE ELEVATION = 1405.50 FLOWLENGTH(FEET) = 1000.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 10.76 TRAVEL TIME(MIN.) = 1.59 TC(MIN.) = 14.94 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 235.10 TO NODE 235.12 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« saw 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.779 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA AREA(ACRES) = 5.00 SUBAREA RUNOFF(CFS) = 9.89 EFFECTIVE AREA(ACRES) = 10.00 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 19.77 TC(MIN) = 14.94 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 235.12 TO NODE 236.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 33.0 INCH PIPE IS 26.8 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 3.8 UPSTREAM NODE ELEVATION = 1405.50 DOWNSTREAM NODE ELEVATION = 1404.00 FLOWLENGTH(FEET) = 1000.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 33.00 NUMBER OF PIPES = 1 30 PIPEFLOW THRU SUBAREA(CFS) = 19.77 TRAVEL TIME(MIN.) = 4.35 TC(MIN.) = 19.29 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 40 FLOW PROCESS FROM NODE 236.00 TO NODE 236.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.384 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 16.22 EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 32.44 TC(MIN) = 19.29 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 236.10 TO NODE 237.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA ««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< DEPTH OF FLOW IN 27.0 INCH PIPE IS 18.4 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 11.2 UPSTREAM NODE ELEVATION = 1404.00 DOWNSTREAM NODE ELEVATION = 1401.00 FLOWLENGTH(FEET) = 170.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 27.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 32.44 TRAVEL TIME(MIN.) = .25 TC(MIN.) = 19.55 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 237.00 TO NODE 237.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.366 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 32.10 EFFECTIVE AREA(ACRES) = 40.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 40.00 '"' PEAK FLOW RATE(CFS) = 64.21 TC(MIN) = 19.55 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 237.10 TO NODE 238.10 IS CODE = 3 31 e�. » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 39.0 INCH PIPE IS 27.4 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 10.3 rr UPSTREAM NODE ELEVATION = 1401.00 DOWNSTREAM NODE ELEVATION = 1395.00 FLOWLENGTH(FEET) = 670.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 39.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 64.21 TRAVEL TIME(MIN.) = 1.09 TC(MIN.) = 20.63 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 238.00 TO NODE 238.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.290 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 61.49 EFFECTIVE AREA(ACRES) = 80.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 80.00 PEAK FLOW RATE(CFS) = 122.99 TC(MIN) = 20.63 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 238.10 TO NODE 239.10 IS CODE = 3 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< W* » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 48.0 INCH PIPE IS 36.4 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 12.0 UPSTREAM NODE ELEVATION = 1395.00 DOWNSTREAM NODE ELEVATION = 1383.00 FLOWLENGTH(FEET) = 1330.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 48.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 122.99 TRAVEL TIME(MIN.) = 1.85 TC(MIN.) = 22.48 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 239.00 TO NODE 239.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.175 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA AREA(ACRES) = 80.00 SUBAREA RUNOFF(CFS) = 114.73 EFFECTIVE AREA(ACRES) = 160.00 32 ti AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 160.00 PEAK FLOW RATE(CFS) = 229.45 TC(MIN) = 22.48 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 239.10 TO NODE 234.10 IS CODE = 3 » »> COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 54.0 INCH PIPE IS 39.7 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 18.3 UPSTREAM NODE ELEVATION = 1383.00 DOWNSTREAM NODE ELEVATION = 1336.00 FLOWLENGTH(FEET) = 2600.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 54.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 229.45 TRAVEL TIME(MIN.) = 2.37 TC(MIN.) = 24.84 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 234.10 TO NODE 234.10 IS CODE = 1 » »>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE ««< » » >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES« «< 4. CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 24.84 RAINFALL INTENSITY (INCH. /HOUR) = 2.05 EFFECTIVE STREAM AREA(ACRES) = 160.00 TOTAL STREAM AREA(ACRES) = 160.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 229.45 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 1732.88 31.63 1.772 .58 1617.54 2 229.45 24.84 2.049 .58 160.00 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 1919.07 1777.54 2 1906.45 1430.31 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 1919.07 TIME(MINUTES) = 31.634 EFFECTIVE AREA(ACRES) = 1777.54 TOTAL AREA(ACRES) = 1911.48 33 4. **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 234.10 TO NODE 240.10 IS CODE = 5 » »>COMPUTE TRAPEZOIDAL - CHANNEL FLOW« «< » » >TRAVELTIME THRU SUBAREA««< UPSTREAM NODE ELEVATION = 1336.00 DOWNSTREAM NODE ELEVATION = 1311.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 2650.00 CHANNEL BASE(FEET) = 20.00 "Z" FACTOR = .000 MANNINGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 6.00 CHANNEL FLOW THRU SUBAREA(CFS) = 1919.07 FLOW VELOCITY(FEET /SEC) = 20.73 FLOW DEPTH(FEET) = 4.63 TRAVEL TIME(MIN.) = 2.13 TC(MIN.) = 33.76 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 240.00 TO NODE 240.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.704 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA AREA(ACRES) = 160.00 SUBAREA RUNOFF(CFS) = 161.59 EFFECTIVE AREA(ACRES) = 1937.54 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 2071.48 PEAK FLOW RATE(CFS) = 1957.11 TC(MIN) = 33.76 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 240.10 TO NODE 240.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 33.76 RAINFALL INTENSITY (INCH. /HOUR) = 1.70 EFFECTIVE STREAM AREA(ACRES) = 1937.54 TOTAL STREAM AREA(ACRES) = 2071.48 PEAK FLOW RATE(CFS) AT CONFLUENCE = 1957.11 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 241.00 TO NODE 241.11 IS CODE = 2 » » >RATIONAL METHOD INITIAL SUBAREA ANALYSIS ««< DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 3 -4 DWELLINGS /ACRE TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW- LENGTH = 1000.00 0 34 4 ft UPSTREAM ELEVATION = 1431.00 DOWNSTREAM ELEVATION = 1406.00 ELEVATION DIFFERENCE = 25.00 TC = .412 *[( 1000.00 ** 3.00)/( 25.00)] ** .20 = 13.656 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.934 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA RUNOFF(CFS) = 10.58 TOTAL AREA(ACRES) = 5.00 PEAK FLOW RATE(CFS) = 10.58 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 241.11 TO NODE 241.12 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) ««< DEPTH OF FLOW IN 18.0 INCH PIPE IS 10.6 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 9.8 UPSTREAM NODE ELEVATION = 1406.00 DOWNSTREAM NODE ELEVATION = 1381.00 FLOWLENGTH(FEET) = 1000.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 10.58 TRAVEL TIME(MIN.) = 1.71 TC(MIN.) = 15.36 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 241.10 TO NODE 241.12 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « « < 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.733 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA AREA(ACRES) = 5.00 SUBAREA RUNOFF(CFS) = 9.68 EFFECTIVE AREA(ACRES) = 10.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 19.36 TC(MIN) = 15.36 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 241.12 TO NODE 242.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) ««< DEPTH OF FLOW IN. 24.0 INCH PIPE IS 16.3 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 8.5 UPSTREAM NODE ELEVATION = 1381.00 DOWNSTREAM NODE ELEVATION = 1379.00 FLOWLENGTH(FEET) = 167.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 24.00 NUMBER OF PIPES = 1 35 PIPEFLOW THRU SUBAREA(CFS) = 19.36 TRAVEL TIME(MIN.) = .33 TC(MIN.) = 15.69 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 242.00 TO NODE 242.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.699 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 19.06 EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 38.11 TC(MIN) = 15.69 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 242.10 TO NODE 243.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< DEPTH OF FLOW IN 30.0 INCH PIPE IS 21.7 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 10.0 UPSTREAM NODE ELEVATION = 1379.00 DOWNSTREAM NODE ELEVATION = 1375.00 FLOWLENGTH(FEET) = 330.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 30.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 38.11 TRAVEL TIME(MIN.) = .55 TC(MIN.) = 16.24 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 243.00 TO NODE 243.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.644 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 37.12 EFFECTIVE AREA(ACRES) = 40.00 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 40.00 PEAK FLOW RATE(CFS) = 74.24 TC(MIN) = 16.24 w **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 4 FLOW PROCESS FROM NODE 243.10 TO NODE 244.10 IS CODE = 3 36 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 39.0 INCH PIPE IS 29.0 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 11.2 UPSTREAM NODE ELEVATION = 1375.00 DOWNSTREAM NODE ELEVATION = 1368.00 FLOWLENGTH(FEET) = 670.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 39.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 74.24 TRAVEL TIME(MIN.) = .99 TC(MIN.) = 17.23 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 244.00 TO NODE 244.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.551 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 70.90 EFFECTIVE AREA(ACRES) = 80.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 80.00 PEAK FLOW RATE(CFS) = 141.80 TC(MIN) = 17.23 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 244.10 TO NODE 245.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 51.0 INCH PIPE IS 38.1 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 12.5 UPSTREAM NODE ELEVATION = 1368.00 DOWNSTREAM NODE ELEVATION = 1356.00 FLOWLENGTH(FEET) = 1330.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 51.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 141.80 TRAVEL TIME(MIN.) = 1.78 TC(MIN.) = 19.01 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 245.00 TO NODE 245.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.406 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 80.00 SUBAREA RUNOFF(CFS) = 131.30 EFFECTIVE AREA(ACRES) = 160.00 37 od oft AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 160.00 PEAK FLOW RATE(CFS) = 262.61 TC(MIN) = 19.01 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 245.10 TO NODE 240.10 IS CODE = 3 » »> COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 57.0 INCH PIPE IS 42.7 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 18.5 UPSTREAM NODE ELEVATION = 1356.00 DOWNSTREAM NODE ELEVATION = 1311.00 FLOWLENGTH(FEET) = 2650.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 57.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 262.61 TRAVEL TIME(MIN.) = 2.39 TC(MIN.) = 21.40 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 240.10 TO NODE 240.10 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(MINUTES) = 21.40 RAINFALL INTENSITY (INCH. /HOUR) = 2.24 EFFECTIVE STREAM AREA(ACRES) = 160.00 TOTAL STREAM AREA(ACRES) = 160.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 262.61 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 1957.11 33.76 1.704 .58 1937.54 2 262.61 21.40 2.240 .58 160.00 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 2134.80 2097.54 2 2095.76 1388.06 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 2134.80 TIME(MINUTES) = 33.764 EFFECTIVE AREA(ACRES) = 2097.54 0 TOTAL AREA(ACRES) = 2231.48 38 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 240.10 TO NODE 240.10 IS CODE = 1 » »>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< » »>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 33.76 RAINFALL INTENSITY (INCH. /HOUR) = 1.70 EFFECTIVE STREAM AREA(ACRES) = 2097.54 TOTAL STREAM AREA(ACRES) = 2231.48 PEAK FLOW RATE(CFS) AT CONFLUENCE = 2134.80 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 2134.80 33.76 1.704 .58 2097.54 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 1 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 2134.80 2097.54 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 2134.80 TIME(MINUTES) = 33.764 EFFECTIVE AREA(ACRES) = 2097.54 TOTAL AREA(ACRES) = 2231.48 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 240.10 TO NODE 109.01 IS CODE = 5 » »> COMPUTE TRAPEZOIDAL - CHANNEL FLOW««< » »>TRAVELTIME THRU SUBAREA« «< UPSTREAM NODE ELEVATION = 1311.00 DOWNSTREAM NODE ELEVATION = 1263.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 5300.00 CHANNEL BASE(FEET) = 20.00 "Z" FACTOR = .000 MANNINGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 8.00 CHANNEL FLOW THRU SUBAREA(CFS) = 2134.80 FLOW VELOCITY(FEET /SEC) = 21.15 FLOW DEPTH(FEET) = 5.05 TRAVEL TIME(MIN.) = 4.18 TC(MIN.) = 37.94 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 240.10 TO NODE 190.01 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.589 39 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4 SUBAREA AREA(ACRES) = 283.00 SUBAREA RUNOFF(CFS) = 281.18 EFFECTIVE AREA(ACRES) = 2380.54 AVERAGED Fm(INCH /HR) = .570 TOTAL AREA(ACRES) = 2514.48 PEAK FLOW RATE(CFS) = 2182.46 TC(MIN) = 37.94 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 109.01 TO NODE 109.01 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< » » >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES« «< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 37.94 RAINFALL INTENSITY (INCH. /HOUR) = 1.59 EFFECTIVE STREAM AREA(ACRES) = 2380.54 TOTAL STREAM AREA(ACRES) = 2514.48 PEAK FLOW RATE(CFS) AT CONFLUENCE = 2182.46 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 2182.46 37.94 1.589 .57 2380.54 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 1 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 2182.46 2380.54 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 2182.46 TIME(MINUTES) = 37.941 EFFECTIVE AREA(ACRES) = 2380.54 TOTAL AREA(ACRES) = 2514.48 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 247.00 TO NODE 247.11 IS CODE = 2 » » >RATIONAL METHOD INITIAL SUBAREA ANALYSIS« « < DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 3 -4 DWELLINGS /ACRE TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW- LENGTH = 1000.00 UPSTREAM ELEVATION = 1405.00 DOWNSTREAM ELEVATION = 1380.00 ELEVATION DIFFERENCE = 25.00 TC = .412 *[( 1000.00 ** 3.00)/( 25.00)] ** .20 = 13.656 40 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.934 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA RUNOFF(CFS) = 10.58 TOTAL AREA(ACRES) = 5.00 PEAK FLOW RATE(CFS) = 10.58 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 247.11 TO NODE 247.12 IS CODE = 3 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA ««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< DEPTH OF FLOW IN 18.0 INCH PIPE IS 10.5 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 9.8 UPSTREAM NODE ELEVATION = 1380.00 4 DOWNSTREAM NODE ELEVATION = 1354.50 FLOWLENGTH(FEET) = 1000.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 10.58 TRAVEL TIME(MIN.) = 1.69 TC(MIN.) = 15.35 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 247.10 TO NODE 247.12 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.735 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA AREA(ACRES) = 5.00 SUBAREA RUNOFF(CFS) = 9.69 EFFECTIVE AREA(ACRES) = 10.00 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 19.38 TC(MIN) = 15.35 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 247.12 TO NODE 248.10 IS CODE = 3 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA ««< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< DEPTH OF FLOW IN 24.0 INCH PIPE IS 18.3 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 7.6 UPSTREAM NODE ELEVATION = 1354.50 DOWNSTREAM NODE ELEVATION = 1353.00 FLOWLENGTH(FEET) = 167.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 19.38 TRAVEL TIME(MIN.) = .37 TC(MIN.) = 15.72 41 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 248.00 TO NODE 248.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.696 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 19.03 EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 38.05 TC(MIN) = 15.72 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 248.10 TO NODE 249.10 IS CODE = 3 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) ««< DEPTH OF FLOW IN 30.0 INCH PIPE IS 24.5 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 8.9 UPSTREAM NODE ELEVATION = 1353.00 DOWNSTREAM NODE ELEVATION = 1350.00 FLOWLENGTH(FEET) = 330.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 30.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 38.05 TRAVEL TIME(MIN.) = .62 TC(MIN.) = 16.34 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 249.00 TO NODE 249.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.634 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 36.94 EFFECTIVE AREA(ACRES) = 40.00 . AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 40.00 PEAK FLOW RATE(CFS) = 73.88 TC(MIN) = 16.34 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 249.10 TO NODE 250.10 IS CODE = 3 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< DEPTH OF FLOW IN 42.0 INCH PIPE IS 33.5 INCHES 42 PIPEFLOW VELOCITY(FEET /SEC.) = 9.0 UPSTREAM NODE ELEVATION = 1350.00 DOWNSTREAM NODE ELEVATION = 1346.00 FLOWLENGTH(FEET) = 670.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 42.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 73.88 TRAVEL TIME(MIN.) = 1.24 TC(MIN.) = 17.58 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 250.00 TO NODE 250.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « « < 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.521 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 69.79 EFFECTIVE AREA(ACRES) = 80.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 80.00 PEAK FLOW RATE(CFS) = 139.58 TC(MIN) = 17.58 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 250.10 TO NODE 251.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA ««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 57.0 INCH PIPE IS 41.1 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 10.2 UPSTREAM NODE ELEVATION = 1346.00 DOWNSTREAM NODE ELEVATION = 1339.00 FLOWLENGTH(FEET) = 1330.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 57.00 NUMBER OF PIPES = 1 "" PIPEFLOW THRU SUBAREA(CFS) = 139.58 TRAVEL TIME(MIN.) = 2.17 TC(MIN.) = 19.75 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** �• FLOW PROCESS FROM NODE 251.00 TO NODE 251.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.351 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA AREA(ACRES) = 74.00 SUBAREA RUNOFF(CFS) = 117.79 EFFECTIVE AREA(ACRES) = 154.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 154.00 PEAK FLOW RATE(CFS) = 245.12 TC(MIN) = 19.75 43 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 251.10 TO NODE 252.10 IS CODE = 3 » »> COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 63.0 INCH PIPE IS 46.3 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 14.4 UPSTREAM NODE ELEVATION = 1339.00 DOWNSTREAM NODE ELEVATION = 1320.00 FLOWLENGTH(FEET) = 2100.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 63.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 245.12 TRAVEL TIME(MIN.) = 2.44 TC(MIN.) = 22.19 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 252.00 TO NODE 252.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.192 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 65.00 SUBAREA RUNOFF(CFS) = 94.19 EFFECTIVE AREA(ACRES) = 219.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 219.00 PEAK FLOW RATE(CFS) = 317.35 TC(MIN) = 22.19 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 252.10 TO NODE 252.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE« « < AtO » » >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES« «< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 22.19 RAINFALL INTENSITY (INCH. /HOUR) = 2.19 EFFECTIVE STREAM AREA(ACRES) = 219.00 TOTAL STREAM AREA(ACRES) = 219.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 317.35 CONFLUENCE INFORMATION: 1 STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 317.35 22.19 2.192 .58 219.00 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 1 STREAMS. 44 SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 317.35 219.00 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 317.35 TIME(MINUTES) = 22.192 EFFECTIVE AREA(ACRES) = 219.00 TOTAL AREA(ACRES) = 219.00 ma MO END OF STUDY SUMMARY: TOTAL AREA(ACRES) = 219.00 EFFECTIVE AREA(ACRES) = 219.00 PEAK FLOW RATE(CFS) = 317.35 END OF RATIONAL METHOD ANALYSIS 45 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE (Reference: 1986 SAN BERNARDINO CO. HYDROLOGY CRITERION) Copyright 1983,86,87 Advanced Engineering Software (aes) Ver. 4.1C Release Date: 5/11/87 Serial # I00908 Especially prepared for: HALL & FOREMAN * * * * * * * * * * * * * * * * * * * * * * * * ** DESCRIPTION OF STUDY * * * * * * * * * * * * * * * * * * * * ** * NORTH FONTANA MASTER STORM DRAIN, LINE D * Q 100 -YEAR, NOT DESIGN Q * JN 3547 *************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FILE NAME: LINED.100 TIME /DATE OF STUDY: 2: 3 1/ 1/1980 USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: Mm -- *TIME -OF- CONCENTRATION MODEL*- - USER SPECIFIED STORM EVENT(YEAR) = 100.00 SPECIFIED MINIMUM PIPE SIZE(INCH) = 18.00 SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE = *USER- DEFINED LOGARITHMIC INTERPOLATION USED FOR RAINFALL* 10 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.040 100 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.520 .,, COMPUTED RAINFALL INTENSITY DATA: STORM EVENT = 100.00 1 -HOUR INTENSITY(INCH /HOUR) = 1.5200 SLOPE OF INTENSITY DURATION CURVE = .6000 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 200.00 TO NODE 200.10 IS CODE = 2 » »> RATIONAL METHOD INITIAL SUBAREA ANALYSIS « «< DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 3 -4 DWELLINGS /ACRE TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW - LENGTH = 1000.00 UPSTREAM ELEVATION = 1530.10 DOWNSTREAM ELEVATION = 1508.10 ELEVATION DIFFERENCE = 22.00 TC = .412 *[( 1000.00 ** 3.00)/( 22.00)] ** .20 = 14.009 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.638 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA RUNOFF(CFS) = 27.40 TOTAL AREA(ACRES) = 9.96 PEAK FLOW RATE(CFS) = 27.40 1 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 200.10 TO NODE 202.10 IS CODE = 3 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 24.0 INCH PIPE IS 17.0 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 11.5 UPSTREAM NODE ELEVATION = 1508.10 DOWNSTREAM NODE ELEVATION = 1503.00 FLOWLENGTH(FEET) = 240.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 24.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 27.40 TRAVEL TIME(MIN.) = .35 TC(MIN.) = 14.36 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 202.10 TO NODE 202.10 IS CODE = 1 » »>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 14.36 RAINFALL INTENSITY (INCH. /HOUR) = 3.59 EFFECTIVE STREAM AREA(ACRES) = 9.96 TOTAL STREAM AREA(ACRES) = 9.96 PEAK FLOW RATE(CFS) AT CONFLUENCE = 27.40 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 201.00 TO NODE 202.10 IS CODE = 2 » »>RATIONAL METHOD INITIAL SUBAREA ANALYSIS « «< DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 3 -4 DWELLINGS /ACRE TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)) ** .20 INITIAL SUBAREA FLOW - LENGTH = 1100.00 UPSTREAM ELEVATION = 1529.90 DOWNSTREAM ELEVATION = 1503.00 ELEVATION DIFFERENCE = 26.90 TC = .412 *[( 1100.00 ** 3.00)/( 26.90)] ** .20 = 14.249 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.601 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA RUNOFF(CFS) = 18.04 TOTAL AREA(ACRES) = 6.64 PEAK FLOW RATE(CFS) = 18.04 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 202.10 TO NODE 202.10 IS CODE = 1 » »>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: 2 TIME OF CONCENTRATION(MINUTES) = 14.25 RAINFALL INTENSITY (INCH. /HOUR) = 3.60 EFFECTIVE STREAM AREA(ACRES) = 6.64 TOTAL STREAM AREA(ACRES) = 6.64 PEAK FLOW RATE(CFS) AT CONFLUENCE = 18.04 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 202.00 TO NODE 202.10 IS CODE = 2 » »>RATIONAL METHOD INITIAL SUBAREA ANALYSIS ««< DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 3 -4 DWELLINGS /ACRE TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW- LENGTH = 750.00 UPSTREAM ELEVATION = 1512.90 DOWNSTREAM ELEVATION = 1503.00 ELEVATION DIFFERENCE = 9.90 TC = .412 *[( 750.00 ** 3.00) /( 9.90)] ** .20 = 13.830 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.666 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA RUNOFF(CFS) = 8.24 TOTAL AREA(ACRES) = 2.97 PEAK FLOW RATE(CFS) = 8.24 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 202.10 TO NODE 202.10 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(MINUTES) = 13.83 RAINFALL INTENSITY (INCH. /HOUR) = 3.67 EFFECTIVE STREAM AREA(ACRES) = 2.97 TOTAL STREAM AREA(ACRES) = 2.97 PEAK FLOW RATE(CFS) AT CONFLUENCE = 8.24 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 27.40 14.36 3.585 .58 9.96 2 18.04 14.25 3.601 .58 6.64 3 8.24 13.83 3.666 .58 2.97 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 3 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 53.37 19.57 3 2 53.45 19.49 3 53.24 19.01 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 53.45 TIME(MINUTES) = 14.249 EFFECTIVE AREA(ACRES) = 19.49 TOTAL AREA(ACRES) = 19.57 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 202.10 TO NODE 204.10 IS CODE = 3 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 30.0 INCH PIPE IS 21.8 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 14.0 UPSTREAM NODE ELEVATION = 1503.00 DOWNSTREAM NODE ELEVATION = 1490.50 FLOWLENGTH(FEET) = 540.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 30.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 53.45 TRAVEL TIME(MIN.) = .64 TC(MIN.) = 14.89 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 203.00 TO NODE 204.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.507 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA AREA(ACRES) = 13.51 SUBAREA RUNOFF(CFS) = 35.57 EFFECTIVE AREA(ACRES) = 33.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 33.08 PEAK FLOW RATE(CFS) = 86.89 TC(MIN) = 14.89 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 204.00 TO NODE 204.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.507 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA AREA(ACRES) = 5.75 SUBAREA RUNOFF(CFS) = 15.14 EFFECTIVE AREA(ACRES) = 38.75 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 38.83 PEAK FLOW RATE(CFS) = 102.03 TC(MIN) = 14.89 4 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 204.10 TO NODE 206.10 IS CODE = 3 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 39.0 INCH PIPE IS 26.6 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 16.9 UPSTREAM NODE ELEVATION = 1490.50 DOWNSTREAM NODE ELEVATION = 1474.60 FLOWLENGTH(FEET) = 650.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 39.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 102.03 TRAVEL TIME(MIN.) = .64 TC(MIN.) = 15.53 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 205.00 TO NODE 206.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.420 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 11.62 SUBAREA RUNOFF(CFS) = 29.67 EFFECTIVE AREA(ACRES) = 50.37 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 50.45 PEAK FLOW RATE(CFS) = 128.65 TC(MIN) = 15.53 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 206.00 TO NODE 206.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.420 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA AREA(ACRES) = 11.36 SUBAREA RUNOFF(CFS) = 29.01 EFFECTIVE AREA(ACRES) = 61.73 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 61.81 PEAK FLOW RATE(CFS) = 157.66 TC(MIN) = 15.53 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 206.10 TO NODE 208.10 IS CODE = 3 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA ««< »»>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< 5 VO DEPTH OF FLOW IN 45.0 INCH PIPE IS 34.1 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 17.5 UPSTREAM NODE ELEVATION = 1474.60 DOWNSTREAM NODE ELEVATION = 1468.00 FLOWLENGTH(FEET) = 315.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 45.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 157.66 TRAVEL TIME(MIN.) = .30 TC(MIN.) = 15.83 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 208.10 TO NODE 208.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE ««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 15.83 RAINFALL INTENSITY (INCH. /HOUR) = 3.38 EFFECTIVE STREAM AREA(ACRES) = 61.73 TOTAL STREAM AREA(ACRES) = 61.81 PEAK FLOW RATE(CFS) AT CONFLUENCE = 157.66 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 208.00 TO NODE 208.10 IS CODE = 2 » »>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 3 -4 DWELLINGS /ACRE TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW - LENGTH = 820.00 UPSTREAM ELEVATION = 1478.90 DOWNSTREAM ELEVATION = 1468.00 ELEVATION DIFFERENCE = 10.90 TC = .412 *[( 820.00 ** 3.00)/( 10.90)] ** .20 = 14.312 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.592 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA RUNOFF(CFS) = 16.63 TOTAL AREA(ACRES) = 6.14 PEAK FLOW RATE(CFS) = 16.63 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 208.10 TO NODE 208.10 IS CODE = 1 » »>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< » » >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES« «< 0 CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 14.31 RAINFALL INTENSITY (INCH. /HOUR) = 3.59 EFFECTIVE STREAM AREA(ACRES) = 6.14 0 TOTAL STREAM AREA(ACRES) = 6.14 PEAK FLOW RATE(CFS) AT CONFLUENCE = 16.63 6 4 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 157.66 15.83 3.381 .58 61.73 2 16.63 14.31 3.592 .58 6.14 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE » NUMBER Q(CFS) AREA(ACRES) 1 173.12 67.87 2 169.90 61.94 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 173.12 TIME(MINUTES) = 15.833 EFFECTIVE AREA(ACRES) = 67.87 TOTAL AREA(ACRES) = 67.95 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 208.10 TO NODE 208.20 IS CODE = 4 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< » » >USING USER - SPECIFIED PIPESIZE««< PIPEFLOW VELOCITY(FEET /SEC.) = 18.0 UPSTREAM NODE ELEVATION = 1462.00 DOWNSTREAM NODE ELEVATION = 1460.00 FLOWLENGTH(FEET) = 620.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 42.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 173.12 TRAVEL TIME(MIN.) = .57 TC(MIN.) = 16.41 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 208.20 TO NODE 208.20 IS CODE = 1 » »>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE ««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 16.41 RAINFALL INTENSITY (INCH. /HOUR) = 3.31 EFFECTIVE STREAM AREA(ACRES) = 67.87 TOTAL STREAM AREA(ACRES) = 67.95 PEAK FLOW RATE(CFS) AT CONFLUENCE = 173.12 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 207.00 TO NODE 208.20 IS CODE = 2 » » >RATIONAL METHOD INITIAL SUBAREA ANALYSIS« «< 7 44 » DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 3 -4 DWELLINGS /ACRE TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW - LENGTH = 900.00 UPSTREAM ELEVATION = 1488.00 DOWNSTREAM ELEVATION = 1467.00 ELEVATION DIFFERENCE = 21.00 TC = .412 *[( 900.00 ** 3.00)/( 21.00)] ** .20 = 13.274 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.758 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA RUNOFF(CFS) = 24.92 TOTAL AREA(ACRES) = 8.72 PEAK FLOW RATE(CFS) = 24.92 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 208.20 TO NODE 208.20 IS CODE = 1 » »>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< » »>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES« «< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 13.27 RAINFALL INTENSITY (INCH. /HOUR) = 3.76 EFFECTIVE STREAM AREA(ACRES) = 8.72 TOTAL STREAM AREA(ACRES) = 8.72 PEAK FLOW RATE(CFS) AT CONFLUENCE = 24.92 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE ry NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 173.12 16.41 3.309 .58 67.87 2 24.92 13.27 3.758 .58 8.72 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 194.52 76.59 2 188.03 63.63 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 194.52 TIME(MINUTES) = 16.408 EFFECTIVE AREA(ACRES) = 76.59 TOTAL AREA(ACRES) = 76.67 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 208.20 TO NODE 209.10 IS CODE = 3 » »> COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< M » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< 8 DEPTH OF FLOW IN 48.0 INCH PIPE IS 35.8 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 19.3 UPSTREAM NODE ELEVATION = 1460.00 DOWNSTREAM NODE ELEVATION = 1433.00 FLOWLENGTH(FEET) = 1150.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 48.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 194.52 TRAVEL TIME(MIN.) = .99 TC(MIN.) = 17.40 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 209.00 TO NODE 209.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.195 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 22.04 SUBAREA RUNOFF(CFS) = 51.82 EFFECTIVE AREA(ACRES) = 98.63 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 98.71 PEAK FLOW RATE(CFS) = 231.93 TC(MIN) = 17.40 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 209.00 TO NODE 210.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 51.0 INCH PIPE IS 40.9 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 19.0 UPSTREAM NODE ELEVATION = 1433.00 DOWNSTREAM NODE ELEVATION = 1413.00 FLOWLENGTH(FEET) = 965.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 51.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 231.93 TRAVEL TIME(MIN.) = .84 TC(MIN.) = 18.24 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 210.00 TO NODE 210.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.105 SOIL CLASSIFICATION IS "A" 0 RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA AREA(ACRES) = 25.47 SUBAREA RUNOFF(CFS) = 57.84 X11 EFFECTIVE AREA(ACRES) = 124.10 AVERAGED Fm(INCH /HR) = .582 0 TOTAL AREA(ACRES) = 124.18 PEAK FLOW RATE(CFS) = 281.81 +A 9 TC(MIN) = 18.24 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 210.10 TO NODE 211.10 IS CODE = 3 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 57.0 INCH PIPE IS 42.3 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 20.0 UPSTREAM NODE ELEVATION = 1413.00 DOWNSTREAM NODE ELEVATION = 1404.00 FLOWLENGTH(FEET) = 450.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 57.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 281.81 TRAVEL TIME(MIN.) = .38 TC(MIN.) = 18.62 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 211.00 TO NODE 211.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< N.y 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.067 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 27.71 SUBAREA RUNOFF(CFS) = 61.98 EFFECTIVE AREA(ACRES) = 151.81 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 151.89 PEAK FLOW RATE(CFS) = 339.58 TC(MIN) = 18.62 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 211.10 TO NODE 211.10 IS CODE = 1 » »>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE« «< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 18.62 RAINFALL INTENSITY (INCH. /HOUR) = 3.07 EFFECTIVE STREAM AREA(ACRES) = 151.81 TOTAL STREAM AREA(ACRES) = 151.89 PEAK FLOW RATE(CFS) AT CONFLUENCE = 339.58 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 211.10 TO NODE 211.10 IS CODE = 7 » » >USER SPECIFIED HYDROLOGY INFORMATION AT NODE« «< USER - SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 32.74 RAIN INTENSITY(INCH /HOUR) = 2.19 4 10 FN EFFECTIVE AREA(ACRES) = 320.00 TOTAL AREA(ACRES) = 320.00 PEAK FLOW RATE(CFS) = 513.52 AVERAGED LOSS RATE, Fm(IN /HR) = .580 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 211.10 TO NODE 211.10 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(MINUTES) = 32.74 RAINFALL INTENSITY (INCH. /HOUR) = 2.19 EFFECTIVE STREAM AREA(ACRES) = 320.00 TOTAL STREAM AREA(ACRES) = 320.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 513.52 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 339.58 18.62 3.067 .58 151.81 2 513.52 32.74 2.186 .58 320.00 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 791.82 333.79 2 732.71 471.81 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 791.82 TIME(MINUTES) = 18.619 EFFECTIVE AREA(ACRES) = 333.79 TOTAL AREA(ACRES) = 471.89 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 211.10 TO NODE 212.10 IS CODE = 4 » »> COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< » » >USING USER - SPECIFIED PIPESIZE« «< PIPEFLOW VELOCITY(FEET /SEC.) = 15.8 UPSTREAM NODE ELEVATION = 1404.00 DOWNSTREAM NODE ELEVATION = 1398.00 FLOWLENGTH(FEET) = 1315.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 96.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 791.82 TRAVEL TIME(MIN.) = 1.39 TC(MIN.) = 20.01 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 11 FLOW PROCESS FROM NODE 212.00 TO NODE 212.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.938 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 78.90 SUBAREA RUNOFF(CFS) = 167.27 EFFECTIVE AREA(ACRES) = 412.69 AVERAGED Fm(INCH /HR) = .581 TOTAL AREA(ACRES) = 550.79 PEAK FLOW RATE(CFS) = 875.24 TC(MIN) = 20.01 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 212.10 TO NODE 213.10 IS CODE = 4 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA ««< » »>USING USER - SPECIFIED PIPESIZE««< PIPEFLOW VELOCITY(FEET /SEC.) = 17.4 UPSTREAM NODE ELEVATION = 1398.00 DOWNSTREAM NODE ELEVATION = 1392.00 FLOWLENGTH(FEET) = 1320.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 96.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 875.24 TRAVEL TIME(MIN.) = 1.26 TC(MIN.) = 21.27 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** •• FLOW PROCESS FROM NODE 213.00 TO NODE 213.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.832 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA AREA(ACRES) = 78.75 SUBAREA RUNOFF(CFS) = 159.44 EFFECTIVE AREA(ACRES) = 491.44 AVERAGED Fm(INCH/HR) = .581 TOTAL AREA(ACRES) = 629.54 PEAK FLOW RATE(CFS) = 995.32 TC(MIN) = 21.27 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 213.10 TO NODE 214.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA ««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 114.0 INCH PIPE IS 87.5 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 17.0 UPSTREAM NODE ELEVATION = 1392.00 12 DOWNSTREAM NODE ELEVATION = 1384.00 FLOWLENGTH(FEET) = 1400.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 114.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 995.32 TRAVEL TIME(MIN.) = 1.37 TC(MIN.) = 22.64 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 214.00 TO NODE 214.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.728 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 82.69 SUBAREA RUNOFF(CFS) = 159.68 EFFECTIVE AREA(ACRES) = 574.13 AVERAGED Fm(INCH /HR) = .581 TOTAL AREA(ACRES) = 712.23 PEAK FLOW RATE(CFS) = 1108.99 TC(MIN) = 22.64 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 214.10 TO NODE 214.10 IS CODE = 1 » »>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 22.64 RAINFALL INTENSITY (INCH. /HOUR) = 2.73 EFFECTIVE STREAM AREA(ACRES) = 574.13 TOTAL STREAM AREA(ACRES) = 712.23 PEAK FLOW RATE(CFS) AT CONFLUENCE = 1108.99 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 215.00 TO NODE 215.11 IS CODE = 2 » »>RATIONAL METHOD INITIAL SUBAREA ANALYSIS ««< DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 3 -4 DWELLINGS /ACRE TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW - LENGTH = 1000.00 UPSTREAM ELEVATION = 1528.00 DOWNSTREAM ELEVATION = 1495.00 ELEVATION DIFFERENCE = 33.00 TC = .412 *[( 1000.00 ** 3.00) /( 33.00)] ** .20 = 12.918 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.820 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA RUNOFF(CFS) = 14.57 0 TOTAL AREA(ACRES) = 5.00 PEAK FLOW RATE(CFS) = 14.57 13 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 215.11 TO NODE 215.12 IS CODE = 3 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 18.0 INCH PIPE IS 12.7 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 11.0 UPSTREAM NODE ELEVATION = 1495.00 DOWNSTREAM NODE ELEVATION = 1466.50 FLOWLENGTH(FEET) = 1000.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 14.57 TRAVEL TIME(MIN.) = 1.52 TC(MIN.) = 14.44 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 215.10 TO NODE 215.12 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.573 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 5.00 SUBAREA RUNOFF(CFS) = 13.46 EFFECTIVE AREA(ACRES) = 10.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 26.92 TC(MIN) = 14.44 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 215.12 TO NODE 216.10 IS CODE = 3 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA ««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 33.0 INCH PIPE IS 25.8 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 5.4 UPSTREAM NODE ELEVATION = 1466.50 DOWNSTREAM NODE ELEVATION = 1466.00 FLOWLENGTH(FEET) = 167.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 33.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 26.92 TRAVEL TIME(MIN.) = .51 TC(MIN.) = 14.95 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 216.00 TO NODE 216.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.499 14 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 26.25 EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 52.50 TC(MIN) = 14.95 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 216.10 TO NODE 217.10 IS CODE = 3 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) ««< DEPTH OF FLOW IN 42.0 INCH PIPE IS 33.4 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 6.4 UPSTREAM NODE ELEVATION = 1466.00 DOWNSTREAM NODE ELEVATION = 1465.00 FLOWLENGTH(FEET) = 330.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 42.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 52.50 TRAVEL TIME(MIN.) = .86 TC(MIN.) = 15.81 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 217.00 TO NODE 217.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< �.. 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.383 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 50.42 EFFECTIVE AREA(ACRES) = 40.00 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 40.00 PEAK FLOW RATE(CFS) = 100.84 TC(MIN) = 15.81 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 217.10 TO NODE 218.10 IS CODE = 3 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 54.0 INCH PIPE IS 42.6 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 7.5 UPSTREAM NODE ELEVATION = 1465.00 DOWNSTREAM NODE ELEVATION = 1463.00 FLOWLENGTH(FEET) = 670.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 54.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 100.84 �► 15 TRAVEL TIME(MIN.) = 1.49 TC(MIN.) = 17.30 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 218.00 TO NODE 218.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.205 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 94.44 EFFECTIVE AREA(ACRES) = 80.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 80.00 PEAK FLOW RATE(CFS) = 188.88 TC(MIN) = 17.30 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 4 FLOW PROCESS FROM NODE 218.10 TO NODE 219.10 IS CODE = 3 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) ««< DEPTH OF FLOW IN 66.0 INCH PIPE IS 52.2 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 9.4 UPSTREAM NODE ELEVATION = 1463.00 DOWNSTREAM NODE ELEVATION = 1458.00 FLOWLENGTH(FEET) = 1400.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 66.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 188.88 TRAVEL TIME(MIN.) = 2.49 TC(MIN.) = 19.79 Oft **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 219.00 TO NODE 219.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.957 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA AREA(ACRES) = 80.00 SUBAREA RUNOFF(CFS) = 171.01 EFFECTIVE AREA(ACRES) = 160.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 160.00 PEAK FLOW RATE(CFS) = 342.02 TC(MIN) = 19.79 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 219.10 TO NODE 220.10 IS CODE = 4 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< 16 »» >USING USER - SPECIFIED PIPESIZE ««< PIPEFLOW VELOCITY(FEET /SEC.) = 17.4 UPSTREAM NODE ELEVATION = 1458.00 DOWNSTREAM NODE ELEVATION = 1451.00 FLOWLENGTH(FEET) = 1400.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 60.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 342.02 TRAVEL TIME(MIN.) = 1.34 TC(MIN.) = 21.13 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 220.00 TO NODE 220.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.843 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 83.00 SUBAREA RUNOFF(CFS) = 168.91 EFFECTIVE AREA(ACRES) = 243.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 243.00 PEAK FLOW RATE(CFS) = 494.52 TC(MIN) = 21.13 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 220.10 TO NODE 214.10 IS CODE = 3 » »> COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) ««< DEPTH OF FLOW IN 69.0 INCH PIPE IS 51.9 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 23.6 UPSTREAM NODE ELEVATION = 1451.00 DOWNSTREAM NODE ELEVATION = 1395.00 FLOWLENGTH(FEET) = 2600.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 69.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 494.52 TRAVEL TIME(MIN.) = 1.84 TC(MIN.) = 22.96 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 214.10 TO NODE 214.10 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(MINUTES) = 22.96 RAINFALL INTENSITY (INCH. /HOUR) = 2.70 EFFECTIVE STREAM AREA(ACRES) = 243.00 TOTAL STREAM AREA(ACRES) = 243.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 494.52 17 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 1108.99 22.64 2.728 .58 574.13 2 494.52 22.96 2.705 .58 243.00 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 1601.86 813.73 2 1591.63 817.13 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 1601.86 TIME(MINUTES) = 22.643 EFFECTIVE AREA(ACRES) = 813.73 TOTAL AREA(ACRES) = 955.23 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 214.10 TO NODE 221.10 IS CODE = 5 » »>COMPUTE TRAPEZOIDAL - CHANNEL FLOW««< » »>TRAVELTIME THRU SUBAREA««< UPSTREAM NODE ELEVATION = 1395.00 DOWNSTREAM NODE ELEVATION = 1380.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 2600.00 CHANNEL BASE(FEET) = 16.00 "Z" FACTOR = .000 MANNINGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 6.00 CHANNEL FLOW THRU SUBAREA(CFS) = 1601.86 FLOW VELOCITY(FEET /SEC) = 16.98 FLOW DEPTH(FEET) = 5.89 TRAVEL TIME(MIN.) = 2.55 TC(MIN.) = 25.19 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 221.00 TO NODE 221.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.558 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 156.00 SUBAREA RUNOFF(CFS) = 277.48 EFFECTIVE AREA(ACRES) = 969.73 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 1111.23 PEAK FLOW RATE(CFS) = 1725.17 TC(MIN) = 25.19 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 18 FLOW PROCESS FROM NODE 221.10 TO NODE 221.10 IS CODE = 1 » »>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 25.19 RAINFALL INTENSITY (INCH. /HOUR) = 2.56 EFFECTIVE STREAM AREA(ACRES) = 969.73 TOTAL STREAM AREA(ACRES) = 1111.23 PEAK FLOW RATE(CFS) AT CONFLUENCE = 1725.17 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 222.00 TO NODE 222.11 IS CODE = 2 » »>RATIONAL METHOD INITIAL SUBAREA ANALYSIS « «< DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 3 -4 DWELLINGS /ACRE TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW - LENGTH = 1000.00 UPSTREAM ELEVATION = 1511.00 DOWNSTREAM ELEVATION = 1481.00 ELEVATION DIFFERENCE = 30.00 TC = .412 *[( 1000.00 ** 3.00)/( 30.00)] ** .20 = 13.167 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.776 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA RUNOFF(CFS) = 14.37 TOTAL AREA(ACRES) = 5.00 PEAK FLOW RATE(CFS) = 14.37 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** »• FLOW PROCESS FROM NODE 222.11 TO NODE 222.12 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 18.0 INCH PIPE IS 12.1 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 11.3 UPSTREAM NODE ELEVATION = 1481.00 DOWNSTREAM NODE ELEVATION = 1450.00 FLOWLENGTH(FEET) = 1000.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 14.37 TRAVEL TIME(MIN.) = 1.47 TC(MIN.) = 14.64 0 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 222.10 TO NODE 222.12 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.544 SOIL CLASSIFICATION IS "A" 19 4 oft 4 RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 5.00 SUBAREA RUNOFF(CFS) = 13.33 EFFECTIVE AREA(ACRES) = 10.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 26.65 TC(MIN) = 14.64 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 222.12 TO NODE 223.10 IS CODE = 3 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 30.0 INCH PIPE IS 21.5 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 7.1 UPSTREAM NODE ELEVATION = 1450.00 DOWNSTREAM NODE ELEVATION = 1449.00 FLOWLENGTH(FEET) = 167.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 30.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 26.65 TRAVEL TIME(MIN.) = .39 TC(MIN.) = 15.03 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 223.00 TO NODE 223.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.488 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 26.15 EFFECTIVE AREA(ACRES) = 20.00 4 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 52.30 TC(MIN) = 15.03 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 223.10 TO NODE 224.10 IS CODE = 3 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 36.0 INCH PIPE IS 29.0 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 8.6 UPSTREAM NODE ELEVATION = 1449.00 DOWNSTREAM NODE ELEVATION = 1446.80 FLOWLENGTH(FEET) = 330.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 52.30 TRAVEL TIME(MIN.) = .64 TC(MIN.) = 15.67 20 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 224.00 TO NODE 224.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.401 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 50.75 EFFECTIVE AREA(ACRES) = 40.00 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 40.00 PEAK FLOW RATE(CFS) = 101.49 TC(MIN) = 15.67 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 224.10 TO NODE 225.10 IS CODE = 3 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 51.0 INCH PIPE IS 37.1 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 9.2 UPSTREAM NODE ELEVATION = 1446.80 DOWNSTREAM NODE ELEVATION = 1443.50 FLOWLENGTH(FEET) = 670.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 51.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 101.49 TRAVEL TIME(MIN.) = 1.22 TC(MIN.) = 16.89 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 225.00 TO NODE 225.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.252 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 96.13 EFFECTIVE AREA(ACRES) = 80.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 80.00 PEAK FLOW RATE(CFS) = 192.25 TC(MIN) = 16.89 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 225.10 TO NODE 226.10 IS CODE = 3 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< 21 DEPTH OF FLOW IN 60.0 INCH PIPE IS 44.9 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 12.2 UPSTREAM NODE ELEVATION = 1443.50 DOWNSTREAM NODE ELEVATION = 1435.00 FLOWLENGTH(FEET) = 1225.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 60.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 192.25 TRAVEL TIME(MIN.) = 1.67 TC(MIN.) = 18.56 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 226.00 TO NODE 226.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.073 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 74.00 SUBAREA RUNOFF(CFS) = 165.90 EFFECTIVE AREA(ACRES) = 154.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 154.00 PEAK FLOW RATE(CFS) = 345.25 TC(MIN) = 18.56 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 226.10 TO NODE 221.10 IS CODE = 3 » »> COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA ««< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 60.0 INCH PIPE IS 46.0 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 21.4 UPSTREAM NODE ELEVATION = 1435.00 DOWNSTREAM NODE ELEVATION = 1380.00 FLOWLENGTH(FEET) = 2600.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 60.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 345.25 TRAVEL TIME(MIN.) = 2.03 TC(MIN.) = 20.59 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 221.10 TO NODE 221.10 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(MINUTES) = 20.59 RAINFALL INTENSITY (INCH. /HOUR) = 2.89 EFFECTIVE STREAM AREA(ACRES) = 154.00 TOTAL STREAM AREA(ACRES) = 154.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 345.25 22 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 1725.17 25.19 2.558 .58 969.73 2 345.25 20.59 2.888 .58 154.00 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 2021.11 1123.73 2 1990.03 946.51 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 2021.11 TIME(MINUTES) = 25.194 EFFECTIVE AREA(ACRES) = 1123.73 TOTAL AREA(ACRES) = 1265.23 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 221.10 TO NODE 227.10 IS CODE = 5 » »>COMPUTE TRAPEZOIDAL - CHANNEL FLOW ««< » »>TRAVELTIME THRU SUBAREA« «< UPSTREAM NODE ELEVATION = 1380.00 DOWNSTREAM NODE ELEVATION = 1362.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 2670.00 CHANNEL BASE(FEET) = 16.00 "Z" FACTOR = .000 MANNINGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 6.00 CHANNEL FLOW THRU SUBAREA(CFS) = 2021.11 == »ERROR: FLOW IN CHANNEL EXCEEDS CHANNEL CAPACITY( NORMAL DEPTH EQUAL TO SPECIFIED MAXIMUM ALLOWABLE DEPTH). AS AN APPROXIMATION, FLOWDEPTH IS SET AT MAXIMUM ALLOWABLE DEPTH AND IS USED FOR TRAVELTIME CALCULATIONS. FLOW VELOCITY(FEET /SEC) = 21.05 FLOW DEPTH(FEET) = 6.00 TRAVEL TIME(MIN.) = 2.11 TC(MIN.) = 27.31 == >FLOWDEPTH EXCEEDS MAXIMUM ALLOWABLE DEPTH **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 227.00 TO NODE 227.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.438 SOIL CLASSIFICATION IS "A" 23 RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 160.25 SUBAREA RUNOFF(CFS) = 267.62 EFFECTIVE AREA(ACRES) = 1283.98 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 1425.48 • PEAK FLOW RATE(CFS) = 2144.63 TC(MIN) = 27.31 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 227.10 TO NODE 227.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 27.31 RAINFALL INTENSITY (INCH. /HOUR) = 2.44 EFFECTIVE STREAM AREA(ACRES) = 1283.98 TOTAL STREAM AREA(ACRES) = 1425.48 PEAK FLOW RATE(CFS) AT CONFLUENCE = 2144.63 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 228.00 TO NODE 228.11 IS CODE = 2 » » >RATIONAL METHOD INITIAL SUBAREA ANALYSIS« «< DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 3 -4 DWELLINGS /ACRE TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW - LENGTH = 1000.00 UPSTREAM ELEVATION = 1491.00 DOWNSTREAM ELEVATION = 1462.00 ELEVATION DIFFERENCE = 29.00 TC = .412 *[( 1000.00 ** 3.00)/( 29.00)] ** .20 = 13.256 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.761 SOIL CLASSIFICATION IS "A" ds RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA RUNOFF(CFS) = 14.30 TOTAL AREA(ACRES) = 5.00 PEAK FLOW RATE(CFS) = 14.30 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 228.11 TO NODE 228.12 IS CODE = 3 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< ° DEPTH OF FLOW IN 18.0 INCH PIPE IS 12.5 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 10.9 UPSTREAM NODE ELEVATION = 1462.00 DOWNSTREAM NODE ELEVATION = 1433.50 FLOWLENGTH(FEET) = 1000.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 14.30 24 TRAVEL TIME(MIN.) = 1.52 TC(MIN.) = 14.78 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 2.28.10 TO NODE 228.12 IS CODE = 8 1 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.523 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 5.00 SUBAREA RUNOFF(CFS) = 13.23 EFFECTIVE AREA(ACRES) = 10.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 26.47 TC(MIN) = 14.78 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 228.12 TO NODE 229.10 IS CODE = 3 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA ««< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< DEPTH OF FLOW IN 27.0 INCH PIPE IS 20.5 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 8.2 UPSTREAM NODE ELEVATION = 1433.50 DOWNSTREAM NODE ELEVATION = 1432.00 FLOWLENGTH(FEET) = 167.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 27.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 26.47 TRAVEL TIME(MIN.) = .34 TC(MIN.) = 15.12 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 229.00 TO NODE 229.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.475 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 26.04 EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 52.08 TC(MIN) = 15.12 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 229.10 TO NODE 230.10 IS CODE = 3 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< 25 » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 36.0 INCH PIPE IS 25.3 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 9.8 UPSTREAM NODE ELEVATION = 1432.00 DOWNSTREAM NODE ELEVATION = 1429.00 FLOWLENGTH(FEET) = 330.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 52.08 TRAVEL TIME(MIN.) = .56 TC(MIN.) = 15.68 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 230.00 TO NODE 230.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.400 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 50.73 EFFECTIVE AREA(ACRES) = 40.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 40.00 PEAK FLOW RATE(CFS) = 101.45 TC(MIN) = 15.68 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 230.10 TO NODE 231.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 45.0 INCH PIPE IS 36.7 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 10.5 UPSTREAM NODE ELEVATION = 1429.00 DOWNSTREAM NODE ELEVATION = 1424.00 FLOWLENGTH(FEET) = 670.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 45.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 101.45 TRAVEL TIME(MIN.) = 1.06 TC(MIN.) = 16.74 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 231.00 TO NODE 231.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.269 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 96.73 EFFECTIVE AREA(ACRES) = 80.00 AVERAGED Fm(INCH/HR) = .582 26 TOTAL AREA(ACRES) = 80.00 PEAK FLOW RATE(CFS) = 193.47 TC(MIN) = 16.74 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 231.10 TO NODE 232.10 IS CODE = 3 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA ««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< DEPTH OF FLOW IN 48.0 INCH PIPE IS 38.2 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 18.0 UPSTREAM NODE ELEVATION = 1424.00 DOWNSTREAM NODE ELEVATION = 1416.00 FLOWLENGTH(FEET) = 670.00 MANNINGS N = .010 ESTIMATED PIPE DIAMETER(INCH) = 48.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 193.47 TRAVEL TIME(MIN.) = .62 TC(MIN.) = 17.36 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 232.00 TO NODE 233.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.199 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 94.20 EFFECTIVE AREA(ACRES) = 120.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 120.00 PEAK FLOW RATE(CFS) = 282.59 TC(MIN) = 17.36 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 232.10 TO NODE 233.10 IS CODE = 3 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 60.0 INCH PIPE IS 47.2 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 17.1 UPSTREAM NODE ELEVATION = 1416.00 DOWNSTREAM NODE ELEVATION = 1407.00 FLOWLENGTH(FEET) = 670.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 60.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 282.59 TRAVEL TIME(MIN.) = .65 TC(MIN.) = 18.02 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 233.00 TO NODE 233.10 IS CODE = 8 27 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.128 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 46.00 SUBAREA RUNOFF(CFS) = 105.42 EFFECTIVE AREA(ACRES) = 166.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 166.00 PEAK FLOW RATE(CFS) = 380.43 TC(MIN) = 18.02 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 233.10 TO NODE 227.10 IS CODE = 3 » »> COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 66.0 INCH PIPE IS 48.6 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 20.3 UPSTREAM NODE ELEVATION = 1407.00 DOWNSTREAM NODE ELEVATION = 1362.00 FLOWLENGTH(FEET) = 2650.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 66.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 380.43 TRAVEL TIME(MIN.) = 2.18 TC(MIN.) = 20.19 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 227.10 TO NODE 227.10 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(MINUTES) = 20.19 RAINFALL INTENSITY (INCH. /HOUR) = 2.92 EFFECTIVE STREAM AREA(ACRES) = 166.00 TOTAL STREAM AREA(ACRES) = 166.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 380.43 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 2144.63 27.31 2.438 .58 1283.98 2 380.43 20.19 2.921 .58 166.00 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 28 4 1 2446.37 1449.98 2 2379.86 1115.50 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 2446.37 TIME(MINUTES) = 27.308 EFFECTIVE AREA(ACRES) = 1449.98 TOTAL AREA(ACRES) = 1591.48 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 227.10 TO NODE 234.10 IS CODE = 5 » »>COMPUTE TRAPEZOIDAL - CHANNEL FLOW ««< » » >TRAVELTIME THRU SUBAREA« «< UPSTREAM NODE ELEVATION = 1362.00 DOWNSTREAM NODE ELEVATION = 1336.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 2700.00 CHANNEL BASE(FEET) = 18.00 "Z" FACTOR = .000 MANNINGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 6.00 CHANNEL FLOW THRU SUBAREA(CFS) = 2446.37 FLOW VELOCITY(FEET /SEC) = 22.79 FLOW DEPTH(FEET) = 5.96 TRAVEL TIME(MIN.) = 1.97 TC(MIN.) = 29.28 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 234.00 TO NODE 234.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.338 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 160.00 SUBAREA RUNOFF(CFS) = 252.80 EFFECTIVE AREA(ACRES) = 1609.98 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 1751.48 PEAK FLOW RATE(CFS) = 2544.14 TC(MIN) = 29.28 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 234.10 TO NODE 234.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE ««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 29.28 RAINFALL INTENSITY (INCH. /HOUR) = 2.34 EFFECTIVE STREAM AREA(ACRES) = 1609.98 TOTAL STREAM AREA(ACRES) = 1751.48 PEAK FLOW RATE(CFS) AT CONFLUENCE = 2544.14 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 29 4 FLOW PROCESS FROM NODE 235.00 TO NODE 235.11 IS CODE = 2 » » >RATIONAL METHOD INITIAL SUBAREA ANALYSIS « «< DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 3 -4 DWELLINGS /ACRE TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW- LENGTH = 1000.00 UPSTREAM ELEVATION = 1463.00 DOWNSTREAM ELEVATION = 1435.00 ELEVATION DIFFERENCE = 28.00 TC = .412 *[( 1000.00 ** 3.00)/( 28.00)] ** .20 = 13.350 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.745 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA RUNOFF(CFS) = 14.23 TOTAL AREA(ACRES) = 5.00 PEAK FLOW RATE(CFS) = 14.23 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 235.11 TO NODE 235.12 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA ««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 18.0 INCH PIPE IS 12.3 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 11.1 UPSTREAM NODE ELEVATION = 1435.00 DOWNSTREAM NODE ELEVATION = 1405.50 FLOWLENGTH(FEET) = 1000.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 14.23 TRAVEL TIME(MIN.) = 1.50 TC(MIN.) = 14.85 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 235.10 TO NODE 235.12 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.513 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 5.00 SUBAREA RUNOFF(CFS) = 13.19 EFFECTIVE AREA(ACRES) = 10.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 26.38 TC(MIN) = 14.85 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 235.12 TO NODE 236.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< 30 » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 39.0 INCH PIPE IS 27.5 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 4.2 UPSTREAM NODE ELEVATION = 1405.50 DOWNSTREAM NODE ELEVATION = 1404.00 FLOWLENGTH(FEET) = 1000.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 39.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 26.38 TRAVEL TIME(MIN.) = 3.96 TC(MIN.) = 18.81 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 236.00 TO NODE 236.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.049 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 22.20 EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 44.40 TC(MIN) = 18.81 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 236.10 TO NODE 237.10 IS CODE = 3 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 30.0 INCH PIPE IS 21.0 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 12.1 UPSTREAM NODE ELEVATION = 1404.00 DOWNSTREAM NODE ELEVATION = 1401.00 FLOWLENGTH(FEET) = 170.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 30.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 44.40 TRAVEL TIME(MIN.) = .23 TC(MIN.) = 19.04 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 237.00 TO NODE 237.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.026 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 44.00 4 EFFECTIVE AREA(ACRES) = 40.00 AVERAGED Fm(INCH/HR) = .582 31 TOTAL AREA(ACRES) = 40.00 - PEAK FLOW RATE(CFS) = 87.99 TC(MIN) = 19.04 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 237.10 TO NODE 238.10 IS CODE = 3 »»>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) ««< DEPTH OF FLOW IN 42.0 INCH PIPE IS 32.6 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 11.0 UPSTREAM NODE ELEVATION = 1401.00 DOWNSTREAM NODE ELEVATION = 1395.00 FLOWLENGTH(FEET) = 670.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 42.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 87.99 TRAVEL TIME(MIN.) = 1.02 TC(MIN.) = 20.06 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 238.00 TO NODE 238.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.933 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 84.64 EFFECTIVE AREA(ACRES) = 80.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 80.00 PEAK FLOW RATE(CFS) = 169.28 TC(MIN) = 20.06 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 238.10 TO NODE 239.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 54.0 INCH PIPE IS 41.2 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 13.0 UPSTREAM NODE ELEVATION = 1395.00 DOWNSTREAM NODE ELEVATION = 1383.00 FLOWLENGTH(FEET) = 1330.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 54.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 169.28 TRAVEL TIME(MIN.) = 1.70 TC(MIN.) = 21.77 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 239.00 TO NODE 239.10 IS CODE = 8 32 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.793 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 80.00 SUBAREA RUNOFF(CFS) = 159.19 EFFECTIVE AREA(ACRES) = 160.00 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 160.00 PEAK FLOW RATE(CFS) = 318.39 TC(MIN) = 21.77 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 239.10 TO NODE 234.10 IS CODE = 3 » »> COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 60.0 INCH PIPE IS 45.9 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 19.7 UPSTREAM NODE ELEVATION = 1383.00 DOWNSTREAM NODE ELEVATION = 1336.00 FLOWLENGTH(FEET) = 2600.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 60.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 318.39 TRAVEL TIME(MIN.) = 2.19 TC(MIN.) = 23.96 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 234.10 TO NODE 234.10 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(MINUTES) = 23.96 RAINFALL INTENSITY (INCH. /HOUR) = 2.64 EFFECTIVE STREAM AREA(ACRES) = 160.00 TOTAL STREAM AREA(ACRES) = 160.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 318.39 CONFLUENCE INFORMATION: ° STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 2544.14 29.28 2.338 .58 1609.98 2 318.39 23.96 2.637 .58 160.00 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 33 .4. call 4 1 2816.18 1769.98 2 2754.56 1477.30 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 2816.18 TIME(MINUTES) = 29.283 EFFECTIVE AREA(ACRES) = 1769.98 TOTAL AREA(ACRES) = 1911.48 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 234.10 TO NODE 240.10 IS CODE = 5 4 » » >COMPUTE TRAPEZOIDAL - CHANNEL FLOW««< » »>TRAVELTIME THRU SUBAREA ««< UPSTREAM NODE ELEVATION = 1336.00 DOWNSTREAM NODE ELEVATION = 1311.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 2650.00 CHANNEL BASE(FEET) = 20.00 "Z" FACTOR = .000 MANNINGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 6.00 CHANNEL FLOW THRU SUBAREA(CFS) = 2816.18 == »ERROR: FLOW IN CHANNEL EXCEEDS CHANNEL CAPACITY( NORMAL DEPTH EQUAL TO SPECIFIED MAXIMUM ALLOWABLE DEPTH). AS AN APPROXIMATION, FLOWDEPTH IS SET AT MAXIMUM ALLOWABLE DEPTH AND IS USED FOR TRAVELTIME CALCULATIONS. FLOW VELOCITY(FEET /SEC) = 23.47 FLOW DEPTH(FEET) = 6.00 TRAVEL TIME(MIN.) = 1.88 TC(MIN.) = 31.16 == >FLOWDEPTH EXCEEDS MAXIMUM ALLOWABLE DEPTH **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 240.00 TO NODE 240.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.252 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 160.00 SUBAREA RUNOFF(CFS) = 240.46 EFFECTIVE AREA(ACRES) = 1929.98 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 2071.48 PEAK FLOW RATE(CFS) = 2900.80 TC(MIN) = 31.16 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 240.10 TO NODE 240.10 IS CODE = 1 aye » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE« «< 34 CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 31.16 RAINFALL INTENSITY (INCH. /HOUR) = 2.25 EFFECTIVE STREAM AREA(ACRES) = 1929.98 TOTAL STREAM AREA(ACRES) = 2071.48 PEAK FLOW RATE(CFS) AT CONFLUENCE = 2900.80 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 241.00 TO NODE 241.11 IS CODE = 2 » »>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 3 -4 DWELLINGS /ACRE TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)) ** .20 INITIAL SUBAREA FLOW - LENGTH = 1000.00 UPSTREAM ELEVATION = 1431.00 DOWNSTREAM ELEVATION = 1406.00 ELEVATION DIFFERENCE = 25.00 TC = .412 *[( 1000.00 ** 3.00)/( 25.00)) ** .20 = 13.656 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.694 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA RUNOFF(CFS) = 14.01 TOTAL AREA(ACRES) = 5.00 PEAK FLOW RATE(CFS) = 14.01 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 241.11 TO NODE 241.12 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 18.0 INCH PIPE IS 12.9 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 10.3 UPSTREAM NODE ELEVATION = 1406.00 DOWNSTREAM NODE ELEVATION = 1381.00 FLOWLENGTH(FEET) = 1000.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 14.01 TRAVEL TIME(MIN.) = 1.62 TC(MIN.) = 15.27 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 241.10 TO NODE 241.12 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.455 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA AREA(ACRES) = 5.00 SUBAREA RUNOFF(CFS) = 12.93 EFFECTIVE AREA(ACRES) = 10.00 " 35 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 25.85 TC(MIN) = 15.27 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 241.12 TO NODE 242.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< DEPTH OF FLOW IN 27.0 INCH PIPE IS 18.0 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 9.2 UPSTREAM NODE ELEVATION = 1381.00 DOWNSTREAM NODE ELEVATION = 1379.00 FLOWLENGTH(FEET) = 167.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 27.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 25.85 TRAVEL TIME(MIN.) = .30 TC(MIN.) = 15.57 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 242.00 TO NODE 242.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.414 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 25.49 EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 50.98 TC(MIN) = 15.57 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 242.10 TO NODE 243.10 IS CODE = 3 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 33.0 INCH PIPE IS 24.6 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 10.7 UPSTREAM NODE ELEVATION = 1379.00 DOWNSTREAM NODE ELEVATION = 1375.00 FLOWLENGTH(FEET) = 330.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 33.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 50.98 TRAVEL TIME(MIN.) = .51 TC(MIN.) = 16.09 0 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ft 36 FLOW PROCESS FROM NODE 243.00 TO NODE 243.10 IS CODE = 8 ( » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.349 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 49.80 EFFECTIVE AREA(ACRES) = 40.00 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 40.00 PEAK FLOW RATE(CFS) = 99.59 TC(MIN) = 16.09 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 243.10 TO NODE 244.10 IS CODE = 3 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 42.0 INCH PIPE IS 34.2 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 11.9 UPSTREAM NODE ELEVATION = 1375.00 DOWNSTREAM NODE ELEVATION = 1368.00 FLOWLENGTH(FEET) = 670.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 42.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 99.59 TRAVEL TIME(MIN.) = .94 TC(MIN.) = 17.03 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 244.00 TO NODE 244.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.236 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 95.56 EFFECTIVE AREA(ACRES) = 80.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 80.00 PEAK FLOW RATE(CFS) = 191.11 TC(MIN) = 17.03 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 244.10 TO NODE 245.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 57.0 INCH PIPE IS 42.6 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 13.4 37 UPSTREAM NODE ELEVATION = 1368.00 DOWNSTREAM NODE ELEVATION = 1356.00 FLOWLENGTH(FEET) = 1330.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 57.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 191.11 TRAVEL TIME(MIN.) = 1.65 TC(MIN.) = 18.68 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 245.00 TO NODE 245.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.062 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA AREA(ACRES) = 80.00 SUBAREA RUNOFF(CFS) = 178.54 EFFECTIVE AREA(ACRES) = 160.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 160.00 PEAK FLOW RATE(CFS) = 357.08 TC(MIN) = 18.68 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 245.10 TO NODE 240.10 IS CODE = 3 » »> COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 63.0 INCH PIPE IS 48.9 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 19.8 UPSTREAM NODE ELEVATION = 1356.00 DOWNSTREAM NODE ELEVATION = 1311.00 FLOWLENGTH(FEET) = 2650.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 63.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 357.08 TRAVEL TIME(MIN.) = 2.23 TC(MIN.) = 20.91 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 240.10 TO NODE 240.10 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(MINUTES) = 20.91 RAINFALL INTENSITY (INCH. /HOUR) = 2.86 EFFECTIVE STREAM AREA(ACRES) = 160.00 TOTAL STREAM AREA(ACRES) = 160.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 357.08 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE 38 NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 2900.80 31.16 2.252 .58 1929.98 2 357.08 20.91 2.861 .58 160.00 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 3162.39 2089.98 2 3013.22 1454.67 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 3162.39 TIME(MINUTES) = 31.165 EFFECTIVE AREA(ACRES) = 2089.98 TOTAL AREA(ACRES) = 2231.48 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 240.10 TO NODE 240.10 IS CODE = 1 » »>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< » »>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES« «< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 31.16 RAINFALL INTENSITY (INCH. /HOUR) = 2.25 EFFECTIVE STREAM AREA(ACRES) = 2089.98 TOTAL STREAM AREA(ACRES) = 2231.48 PEAK FLOW RATE(CFS) AT CONFLUENCE = 3162.39 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 3162.39 31.16 2.252 .58 2089.98 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 1 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 3162.39 2089.98 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 3162.39 TIME(MINUTES) = 31.165 EFFECTIVE AREA(ACRES) = 2089.98 TOTAL AREA(ACRES) = 2231.48 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 240.10 TO NODE 109.01 IS CODE = 5 » »> COMPUTE TRAPEZOIDAL - CHANNEL FLOW« «< 39 » » >TRAVELTIME THRU SUBAREA««< UPSTREAM NODE ELEVATION = 1311.00 DOWNSTREAM NODE ELEVATION = 1263.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 5300.00 CHANNEL BASE(FEET) = 20.00 "Z" FACTOR = .000 MANNINGS FACTOR = .015 MAXIMUM DEPTH(FEET) = 8.00 CHANNEL FLOW THRU SUBAREA(CFS) = 3162.39 FLOW VELOCITY(FEET /SEC) = 23.70 FLOW DEPTH(FEET) = 6.67 TRAVEL TIME(MIN.) = 3.73 TC(MIN.) = 34.89 ************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 240.10 TO NODE 0 01 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.104 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4 SUBAREA AREA(ACRES) = 283.00 SUBAREA RUNOFF(CFS) = 412.43 EFFECTIVE AREA(ACRES) = 2372.98 AVERAGED Fm(INCH /HR) = .570 TOTAL AREA(ACRES) = 2514.48 PEAK FLOW RATE(CFS) = 3276.09 TC(MIN) = 34.89 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 109.01 TO NODE 109.01 IS CODE = 1 » »>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE ««< » » >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES« «< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 34.89 RAINFALL INTENSITY (INCH. /HOUR) = 2.10 ° EFFECTIVE STREAM AREA(ACRES) = 2372.98 TOTAL STREAM AREA(ACRES) = 2514.48 PEAK FLOW RATE(CFS) AT CONFLUENCE = 3276.09 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 3276.09 34.89 2.104 .57 2372.98 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 1 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 3276.09 2372.98 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: 40 PEAK FLOW RATE(CFS) = 3276.09 TIME(MINUTES) = 34.892 EFFECTIVE AREA(ACRES) = 2372.98 TOTAL AREA(ACRES) = 2514.48 ei **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 247.00 TO NODE 247.11 IS CODE = 2 » »>RATIONAL METHOD INITIAL SUBAREA ANALYSIS « «< DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 3 -4 DWELLINGS /ACRE TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW - LENGTH = 1000.00 UPSTREAM ELEVATION = 1405.00 DOWNSTREAM ELEVATION = 1380.00 ELEVATION DIFFERENCE = 25.00 TC = .412 *[( 1000.00 ** 3.00)/( 25.00)] ** .20 = 13.656 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.694 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA RUNOFF(CFS) = 14.01 TOTAL AREA(ACRES) = 5.00 PEAK FLOW RATE(CFS) = 14.01 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 247.11 TO NODE 247.12 IS CODE = 3 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 18.0 INCH PIPE IS 12.8 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 10.4 UPSTREAM NODE ELEVATION = 1380.00 DOWNSTREAM NODE ELEVATION = 1354.50 FLOWLENGTH(FEET) = 1000.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 18.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 14.01 TRAVEL TIME(MIN.) = 1.60 TC(MIN.) = 15.26 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 247.10 TO NODE 247.12 IS CODE = 8 >» »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.456 SOIL CLASSIFICATION IS "A" RESIDENTIAL-> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 5.00 SUBAREA RUNOFF(CFS) = 12.93 EFFECTIVE AREA(ACRES) = 10.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 25.87 TC(MIN) = 15.26 41 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 247.12 TO NODE 248.10 IS CODE = 3 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 27.0 INCH PIPE IS 20.1 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 8.1 UPSTREAM NODE ELEVATION = 1354.50 DOWNSTREAM NODE ELEVATION = 1353.00 FLOWLENGTH(FEET) = 167.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 27.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 25.87 TRAVEL TIME(MIN.) = .34 TC(MIN.) = 15.60 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 248.00 TO NODE 248.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.411 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 25.46 EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 50.92 TC(MIN) = 15.60 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 248.10 TO NODE 249.10 IS CODE = 3 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< »» >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 36.0 INCH PIPE IS 24.8 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 9.8 UPSTREAM NODE ELEVATION = 1353.00 DOWNSTREAM NODE ELEVATION = 1350.00 FLOWLENGTH(FEET) = 330.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 50.92 TRAVEL TIME(MIN.) = .56 TC(MIN.) = 16.16 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 249.00 TO NODE 249.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 42 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.339 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 49.63 EFFECTIVE AREA(ACRES) = 40.00 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 40.00 PEAK FLOW RATE(CFS) = 99.26 TC(MIN) = 16.16 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 249.10 TO NODE 250.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) ««< DEPTH OF FLOW IN 48.0 INCH PIPE IS 36.2 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 9.8 UPSTREAM NODE ELEVATION = 1350.00 DOWNSTREAM NODE ELEVATION = 1346.00 FLOWLENGTH(FEET) = 670.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 48.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 99.26 TRAVEL TIME(MIN.) = 1.14 TC(MIN.) = 17.31 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 250.00 TO NODE 250.10 IS CODE = 8 »»>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.205 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 94.43 EFFECTIVE AREA(ACRES) = 80.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 80.00 PEAK FLOW RATE(CFS) = 188.85 TC(MIN) = 17.31 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 250.10 TO NODE 251.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA ««< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) ««< DEPTH OF FLOW IN 63.0 INCH PIPE IS 46.7 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 11.0 UPSTREAM NODE ELEVATION = 1346.00 DOWNSTREAM NODE ELEVATION = 1339.00 FLOWLENGTH(FEET) = 1330.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 63.00 NUMBER OF PIPES = 1 43 PIPEFLOW THRU SUBAREA(CFS) = 188.85 TRAVEL TIME(MIN.) = 2.02 TC(MIN.) = 19.33 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 251.00 TO NODE 251.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.999 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA AREA(ACRES) = 74.00 SUBAREA RUNOFF(CFS) = 161.00 EFFECTIVE AREA(ACRES) = 154.00 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 154.00 PEAK FLOW RATE(CFS) = 335.05 TC(MIN) = 19.33 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 251.10 TO NODE 252.10 IS CODE = 3 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) ««< DEPTH OF FLOW IN 69.0 INCH PIPE IS 54.0 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 15.4 UPSTREAM NODE ELEVATION = 1339.00 DOWNSTREAM NODE ELEVATION = 1320.00 FLOWLENGTH(FEET) = 2100.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 69.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 335.05 TRAVEL TIME(MIN.) = 2.28 TC(MIN.) = 21.60 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 252.00 TO NODE 252.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.805 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 65.00 SUBAREA RUNOFF(CFS) = 130.07 EFFECTIVE AREA(ACRES) = 219.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 219.00 PEAK FLOW RATE(CFS) = 438.24 TC(MIN) = 21.60 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 252.10 TO NODE 252.10 IS CODE = 1 44 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< » »>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 21.60 RAINFALL INTENSITY (INCH. /HOUR) = 2.81 EFFECTIVE STREAM AREA(ACRES) = 219.00 At TOTAL STREAM AREA(ACRES) = 219.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 438.24 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 438.24 21.60 2.805 .58 219.00 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 1 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 438.24 219.00 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 438.24 TIME(MINUTES) = 21.605 EFFECTIVE AREA(ACRES) = 219.00 TOTAL AREA(ACRES) = 219.00 r END OF STUDY SUMMARY: TOTAL AREA(ACRES) = 219.00 EFFECTIVE AREA(ACRES) = 219.00 PEAK FLOW RATE(CFS) = 438.24 END OF RATIONAL METHOD ANALYSIS w 45 0 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE (Reference: 1986 SAN BERNARDINO CO. HYDROLOGY CRITERION) Copyright 1983,86,87 Advanced Engineering Software (aes) Ver. 4.1C Release Date: 5/11/87 Serial # I00908 Especially prepared for: HALL & FOREMAN * * * * * * * * * * * * * * * * * * * * * * * * ** DESCRIPTION OF STUDY * * * * * * * * * * * * * * * * * * * * ** * NORTH FONTANA MASTER STORM DRAIN * Q 100 -YEAR, DESIGN Q * JN 3547 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FILE NAME: LINEDA.DAT TIME /DATE OF STUDY: 0: 4 1/ 1/1980 USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: -- *TIME -OF- CONCENTRATION MODEL*- - USER SPECIFIED STORM EVENT(YEAR) = 100.00 SPECIFIED MINIMUM PIPE SIZE(INCH) = 18.00 SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE = *USER - DEFINED LOGARITHMIC INTERPOLATION USED FOR RAINFALL* 10 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.040 100 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.520 COMPUTED RAINFALL INTENSITY DATA: STORM EVENT = 100.00 1 -HOUR INTENSITY(INCH /HOUR) = 1.5200 SLOPE OF INTENSITY DURATION CURVE = .6000 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 280.00 TO NODE 280.10 IS CODE = 2 » »> RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 3 -4 DWELLINGS /ACRE TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW - LENGTH = 1350.00 UPSTREAM ELEVATION = 1525.00 DOWNSTREAM ELEVATION = 1520.00 ELEVATION DIFFERENCE = 5.00 TC = .412 *[( 1350.00 ** 3.00)/( 5.00)] ** .20 = 22.558 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.734 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA RUNOFF(CFS) = 19.37 TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 19.37 1 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 281.00 TO NODE 280.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.734 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 19.37 EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 38.73 TC(MIN) = 22.56 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 280.10 TO NODE 282.10 IS CODE = 6 » » >COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA « « < UPSTREAM ELEVATION = 1520.00 DOWNSTREAM ELEVATION = 1512.00 STREET LENGTH(FEET) = 350.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 20.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 18.50 INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .020 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 .w� * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 38.73 STREETFLOW MODEL RESULTS: 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) = .51 HALFSTREET FLOODWIDTH(FEET) = 19.13 AVERAGE FLOW VELOCITY(FEET /SEC.) = 5.12 PRODUCT OF DEPTH &VELOCITY = 2.61 STREETFLOW TRAVELTIME(MIN) = 1.14 TC(MIN) = 23.70 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.654 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH /HR) = .582 4 TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 38.73 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .51 HALFSTREET FLOODWIDTH(FEET) = 19.13 FLOW VELOCITY(FEET /SEC.) = 5.12 DEPTH *VELOCITY = 2.61 4 2 .t om. f4 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 282.00 TO NODE 282.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.654 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 37.30 EFFECTIVE AREA(ACRES) = 40.00 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 40.00 PEAK FLOW RATE(CFS) = 74.60 TC(MIN) = 23.70 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 282.10 TO NODE 283.10 IS CODE = 6 » » >COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA « «< UPSTREAM ELEVATION = 1512.00 DOWNSTREAM ELEVATION = 1495.00 STREET LENGTH(FEET) = 650.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 20.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 18.50 INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .020 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 74.60 ** *STREET FLOWING FULL * ** STREETFLOW MODEL RESULTS: 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) = .59 HALFSTREET FLOODWIDTH(FEET) = 20.00 AVERAGE FLOW VELOCITY(FEET /SEC.) = 6.80 PRODUCT OF DEPTH &VELOCITY = 4.04 STREETFLOW TRAVELTIME(MIN) = 1.59 TC(MIN) = 25.29 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.553 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 EFFECTIVE AREA(ACRES) = 40.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 40.00 PEAK FLOW RATE(CFS) = 74.60 ° END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .59 HALFSTREET FLOODWIDTH(FEET) = 20.00 FLOW VELOCITY(FEET /SEC.) = 6.80 DEPTH *VELOCITY = 4.04 3 4 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 283.00 TO NODE 283.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.553 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 70.94 EFFECTIVE AREA(ACRES) = 80.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 80.00 PEAK FLOW RATE(CFS) = 141.88 TC(MIN) = 25.29 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 283.10 TO NODE 284.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « « < DEPTH OF FLOW IN 45.0 INCH PIPE IS 32.4 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 16.7 UPSTREAM NODE ELEVATION = 1495.00 DOWNSTREAM NODE ELEVATION = 1470.00 FLOWLENGTH(FEET) = 1300.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 45.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 141.88 TRAVEL TIME(MIN.) = 1.30 TC(MIN.) = 26.59 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 4 FLOW PROCESS FROM NODE 284.00 TO NODE 284.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.477 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA AREA(ACRES) = 80.00 SUBAREA RUNOFF(CFS) = 136.43 EFFECTIVE AREA(ACRES) = 160.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 160.00 PEAK FLOW RATE(CFS) = 272.86 TC(MIN) = 26.59 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 284.10 TO NODE 285.10 IS CODE = 3 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< 4 DEPTH OF FLOW IN 54.0 INCH PIPE IS 41.5 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 20.8 UPSTREAM NODE ELEVATION = 1470.00 DOWNSTREAM NODE ELEVATION = 1440.00 FLOWLENGTH(FEET) = 1300.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 54.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 272.86 TRAVEL TIME(MIN.) = 1.04 TC(MIN.) = 27.63 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 285.00 TO NODE 285.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.420 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 80.00 SUBAREA RUNOFF(CFS) = 132.37 EFFECTIVE AREA(ACRES) = 240.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 240.00 PEAK FLOW RATE(CFS) = 397.11 TC(MIN) = 27.63 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 285.10 TO NODE 286.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 66.0 INCH PIPE IS 51.6 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 19.9 UPSTREAM NODE ELEVATION = 1440.00 DOWNSTREAM NODE ELEVATION = 1419.00 FLOWLENGTH(FEET) = 1300.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 66.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 397.11 TRAVEL TIME(MIN.) = 1.09 TC(MIN.) = 28.72 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 286.00 TO NODE 286.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.365 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 80.00 SUBAREA RUNOFF(CFS) = 128.38 EFFECTIVE AREA(ACRES) = 320.00 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 320.00 PEAK FLOW RATE(CFS) = 513.52 5 0 TC(MIN) = 28.72 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 286.10 TO NODE 211.10 IS CODE = 3 » »> COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< DEPTH OF FLOW IN 102.0 INCH PIPE IS 79.1 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 10.9 UPSTREAM NODE 'ELEVATION = 1419.00 DOWNSTREAM NODE ELEVATION = 1412.00 FLOWLENGTH(FEET) = 2600.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 102.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 513.52 TRAVEL TIME(MIN.) = 3.99 TC(MIN.) = 32.70 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 211.10 TO NODE 211.10 IS CODE = 1 » »>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< » » >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES ««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 32.70 RAINFALL INTENSITY (INCH. /HOUR) = 2.19 EFFECTIVE STREAM AREA(ACRES) = 320.00 TOTAL STREAM AREA(ACRES) = 320.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 513.52 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 513.52 32.70 2.188 .58 320.00 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 1 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 513.52 320.00 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 513.52 TIME(MINUTES) = 32.704 EFFECTIVE AREA(ACRES) = 320.00 TOTAL AREA(ACRES) = 320.00 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 211.10 TO NODE 211.10 IS CODE = 1 » »>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE« «< 6 » » >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: '" `` TIME OF CONCENTRATION(MINUTES) = 32.70 RAINFALL INTENSITY (INCH. /HOUR) = 2.19 EFFECTIVE STREAM AREA(ACRES) = 320.00 TOTAL STREAM AREA(ACRES) = 320.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 513.52 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 513.52 32.70 2.188 .58 320.00 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 1 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 513.52 320.00 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 513.52 TIME(MINUTES) = 32.704 EFFECTIVE AREA(ACRES) = 320.00 TOTAL AREA(ACRES) = 320.00 END OF STUDY SUMMARY: TOTAL AREA(ACRES) = 320.00 EFFECTIVE AREA(ACRES) = 320.00 PEAK FLOW RATE(CFS) = 513.52 END OF RATIONAL METHOD ANALYSIS A 7 Ar