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HomeMy WebLinkAboutMaster Storm Drain Hydrology Vol III • CIVIL ENGINEERING • LAND PLANNING • LAND SURVEYING MASTER STORM DRAIN HYDROLOGY CALCS. FOR "W" THE CITY OF FONTANA VOL. 111 BY HALL & FOREMAN, INC. ... 3170 REDHILL AVE. COSTA MESA, CA 92626 (714)641 -8777 MAY, 1992 JOB #4042 HYDRCALC ,r !r• 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 las Exhibit Map Storm Drain Profiles Volume IA - Hawker - Crawford Channel and Rich Basin Drainage Analysis ani as Discussion Calculations Recommendations Cost Estimates Volume II A, B, C and D Systems `o Hydrology Calculations ism Volume III Lines T -1 to T -8 and West Fontana Channel (East of Hemlock) Hydrology Calculations Street Capacity Charts Volume V Lines DZ-4 thru DZ-16, Lines M1 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 • 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 40 ern • OD 40 aft ... ssis **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** • 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 S.D. PLAN, W. FONTANA CHANNEL LAT. 1, ALONG JUNIPER * Q 25 YEAR, DESIGN Q, ASSUMES NO OVERFLOW FROM BASELINE S.D. * JN 3547 *************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FILE NAME: WFONT1R.025 TIME /DATE OF STUDY: 0:15 1/ 1/1980 USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: r -- *TIME -OF- CONCENTRATION MODEL * -- ... s ,,,, 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) = .970 100 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.470 "s. COMPUTED RAINFALL INTENSITY DATA: STORM EVENT = 25.00 1 -HOUR INTENSITY(INCH /HOUR) = 1.1461 SLOPE OF INTENSITY DURATION CURVE = .6000 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 105.00 TO NODE ,105.01 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 = 800.00 UPSTREAM ELEVATION = 1365.00 DOWNSTREAM ELEVATION = 1355.00 ELEVATION DIFFERENCE = 10.00 n• TC = .412 *[( 800.00 ** 3.00)/( 10.00)] ** .20 = 14.347 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 RUNOFF(CFS) = 15.28 TOTAL AREA(ACRES) = 8.00 PEAK FLOW RATE(CFS) = 15.28 1 r - *' * * * * * * *' ** [**************************** **** * * * *7ti** * * * * *7k7k*lk*** **** * ** FLOW PROCESS FROM NODE 105.01 TO NODE 105.02 IS CODE = 6 » » >COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA ««< UPSTREAM ELEVATION = 1355.00 DOWNSTREAM ELEVATION = 1340.00 STREET LENGTH(FEET) = 900.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 20.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 18.50 INTERIOR STREET CROSSFALL(DECIMAL) = .020 s. OUTSIDE STREET CROSSFALL(DECIMAL) = .020 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 15.28 STREETFLOW MODEL RESULTS: STREET FLOWDEPTH(FEET) = .42 .. HALFSTREET FLOODWIDTH(FEET) = 14.51 AVERAGE FLOW VELOCITY(FEET /SEC.) = 3.44 PRODUCT OF DEPTH &VELOCITY = 1.43 STREETFLOW TRAVELTIME(MIN) = 4.36 TC(MIN) = 18.71 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.306 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) = 8.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 8.00 PEAK FLOW RATE(CFS) = 15.28 + END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .42 HALFSTREET FLOODWIDTH(FEET) = 14.51 FLOW VELOCITY(FEET /SEC.) = 3.44 DEPTH *VELOCITY = 1.43 .., **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 105.10 TO NODE ,105.02 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.306 SOIL CLASSIFICATION IS "A" ■* RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 19.00 SUBAREA RUNOFF(CFS) = 29.48 EFFECTIVE AREA(ACRES) = 27.00 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 27.00 PEAK FLOW RATE(CFS) = 41.89 TC(MIN) = 18.71 *******.********************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ,�. FLOW PROCESS FROM NODE 105.02 TO NODE 105.03 IS CODE = 6 » » >COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< 11111 2 UPSTREAM ELEVATION = 1340.00 DOWNSTREAM ELEVATION = 1318.50 STREET LENGTH(FEET) = 1300.00 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) = 41.89 ** *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) = .56 HALFSTREET FLOODWIDTH(FEET) = 20.00 AVERAGE FLOW VELOCITY(FEET /SEC.) = 4.45 PRODUCT OF DEPTH &VELOCITY = 2.47 STREETFLOW TRAVELTIME(MIN) = 4.87 TC(MIN) = 23.58 err 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.007 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) = 27.00 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 27.00 PEAK FLOW RATE(CFS) = 41.89 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .56 HALFSTREET FLOODWIDTH(FEET) = 20.00 FLOW VELOCITY(FEET /SEC.) = 4.45 DEPTH *VELOCITY = 2.47 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 105.20 TO NODE 105.03 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.007 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 26.00 SUBAREA RUNOFF(CFS) = 33.35 ,.. EFFECTIVE AREA(ACRES) = 53.00 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 53.00 PEAK FLOW RATE(CFS) = 67.99 TC(MIN) = 23.58 err **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 105.03 TO NODE 106.10 IS CODE = 4 3 eft » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< - » » >USING USER - SPECIFIED PIPESIZE««< "' PIPEFLOW VELOCITY(FEET /SEC.) = 7.1 UPSTREAM NODE ELEVATION = 1318.50 DOWNSTREAM NODE ELEVATION = 1318.00 ow FLOWLENGTH(FEET) = 320.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 42.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 67.99 TRAVEL TIME(MIN.) = .75 TC(MIN.) = 24.33 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** as FLOW PROCESS FROM NODE 106.00 TO NODE 106.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.970 •• SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 ow SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 24.98 EFFECTIVE AREA(ACRES) = 73.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 73.00 PEAK FLOW RATE(CFS) = 91.18 TC(MIN) = 24.33 ,. **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 106.10 TO NODE 107.10 IS CODE = 4 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< » » >USING USER - SPECIFIED PIPESIZE« «< r PIPEFLOW VELOCITY(FEET /SEC.) = 9.5 UPSTREAM NODE ELEVATION = 1318.00 DOWNSTREAM NODE ELEVATION = 1317.00 FLOWLENGTH(FEET) = 320.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 42.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 91.18 TRAVEL TIME(MIN.) = .56 TC(MIN.) = 24.89 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 107.00 TO NODE 107.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.943 SOIL CLASSIFICATION IS "A" irr RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 24.50 EFFECTIVE AREA(ACRES) = 93.00 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 93.00 4M «■ 4 .w mg PEAK FLOW RATE(CFS) = 113.91 TC(MIN) = 24.89 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** mo FLOW PROCESS FROM NODE 107.10 TO NODE 108.10 IS CODE = 4 .. » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » » >USING USER - SPECIFIED PIPESIZE« «< .• PIPEFLOW VELOCITY(FEET /SEC.) = 9.1 UPSTREAM NODE ELEVATION = 1317.00 DOWNSTREAM NODE ELEVATION = 1315.00 01 FLOWLENGTH(FEET) = 640.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 48.00 NUMBER OF PIPES = 1 om PIPEFLOW THRU SUBAREA(CFS) = 113.91 TRAVEL TIME(MIN.) = 1.18 TC(MIN.) = 26.07 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** e" FLOW PROCESS FROM NODE 108.00 TO NODE 108.10 IS CODE = 8 w. » » >ADDITION OF. SUBAREA TO MAINLINE PEAK FLOW« «< orr 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.890 MR SOIL CLASSIFICATION IS "A" ■. RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 47.08 .,,,, EFFECTIVE AREA(ACRES) = 133.00 AVERAGED Fm(INCH /HR) = .582 "' TOTAL AREA(ACRES) = 133.00 PEAK FLOW RATE(CFS) = 156.55 °g TC(MIN) = 26.07 om **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 108.10 TO NODE , 108.12 IS CODE = 3 goo mg » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « »» >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 48.0 INCH PIPE IS 35.5 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 15.7 ,,,, UPSTREAM NODE ELEVATION = 1315.00 DOWNSTREAM NODE ELEVATION = 1294.00 ,,,. FLOWLENGTH(FEET) = 1350.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 48.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 156.55 No TRAVEL TIME(MIN.) = 1.43 TC(MIN.) = 27.50 err **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 108.11 TO NODE 108.12 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< m 5 w QININ r 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.830 SOIL CLASSIFICATION IS "A" ' r"' RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 44.94 EFFECTIVE AREA(ACRES) = 173.00 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 173.00 •• PEAK FLOW RATE(CFS) = 194.35 err TC(MIN) = 27.50 we **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ew FLOW PROCESS FROM NODE 108.12 TO NODE 108.22 IS CODE = 3 "' » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< aw » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) ««< DEPTH OF FLOW IN 51.0 INCH PIPE IS 38.7 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 16.8 "' UPSTREAM NODE ELEVATION = 1294.00 DOWNSTREAM NODE ELEVATION = 1272.00 FLOWLENGTH(FEET) = 1350.00 MANNINGS N = .013 dui ESTIMATED PIPE DIAMETER(INCH) = 51.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 194.35 TRAVEL TIME(MIN.) = 1.34 TC(MIN.) = 28.84 .r **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 108.20 TO NODE 108.22 IS CODE = 8 +rr » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< de 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.779 SOIL CLASSIFICATION IS "A" ,.� RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 43.08 EFFECTIVE AREA(ACRES) = 213.00 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 213.00 ke. PEAK FLOW RATE(CFS) = 229.42 TC(MIN) = 28.84 rr **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** we FLOW PROCESS FROM NODE 108.22 TO NODE 108.31 IS CODE = 4 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< » » >USING USER - SPECIFIED PIPESIZE««< fla,. PIPEFLOW VELOCITY(FEET /SEC.) = 16.2 UPSTREAM NODE ELEVATION = 1272.00 DOWNSTREAM NODE ELEVATION = 1261.00 FLOWLENGTH(FEET) = 650.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 51.00 NUMBER OF PIPES = 1 '" 6 PIPEFLOW THRU SUBAREA(CFS) = 229.42 TRAVEL TIME(MIN.) = .67 TC(MIN.) = 29.51 irr **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** O. FLOW PROCESS FROM NODE 108.31 TO NODE 108.31 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE« «< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 29.51 RAINFALL INTENSITY (INCH. /HOUR) = 1.75 "® EFFECTIVE STREAM AREA(ACRES) = 213.00 TOTAL STREAM AREA(ACRES) = 213.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 229.42 .. **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** O FLOW PROCESS FROM NODE 108.52 TO NODE 108.51 IS CODE = 2 wr » » >RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< *■ DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 3 -4 DWELLINGS /ACRE wr TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW - LENGTH = 800.00 UPSTREAM ELEVATION = 1276.00 DOWNSTREAM ELEVATION = 1268.00 ELEVATION DIFFERENCE = 8.00 TC = .412 *[( 800.00 ** 3.00)/( 8.00)] ** .20 = 15.001 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.633 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA RUNOFF(CFS) = 18.46 at TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 18.46 .M **************************************** * * ** * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 108.51 TO NODE 108.41 IS CODE = 6 » » >COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA ««< ,■. UPSTREAM ELEVATION = 1268.00 DOWNSTREAM ELEVATION = 1263.00 STREET LENGTH(FEET) = 600.00 CURB HEIGTH(INCHES) = 8. A ' " STREET HALFWIDTH(FEET) = 20.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 12.00 A. INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 • * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 18.46 STREETFLOW MODEL RESULTS: STREET FLOWDEPTH(FEET) = .58 0. ,.. 7 HALFSTREET FLOODWIDTH(FEET) = 15.13 AVERAGE FLOW VELOCITY(FEET /SEC.) = 3.00 PRODUCT OF DEPTH &VELOCITY = 1.74 STREETFLOW TRAVELTIME(MIN) = 3.33 TC(MIN) = 18.34 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.334 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) = 10.00 AVERAGED Fm(INCH/HR) = .582 .,, TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 18.46 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .58 HALFSTREET FLOODWIDTH(FEET) = 15.13 FLOW VELOCITY(FEET /SEC.) = 3.00 DEPTH *VELOCITY = 1.74 •• **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** a.. FLOW PROCESS FROM NODE 108.42 TO NODE 108.41 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< �. 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.334 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 15.77 EFFECTIVE AREA(ACRES) = 20.00 es AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 31.54 TC(MIN) = 18.34 AM rr **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 108.43 TO NODE 108.41 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< IMO 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.334 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA AREA(ACRES) = 15.00 SUBAREA RUNOFF(CFS) = 23.66 EFFECTIVE AREA(ACRES) = 35.00 •• AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 35.00 PEAK FLOW RATE(CFS) = 55.20 TC(MIN) = 18.34 rs **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 108.41 TO NODE 108.31 IS CODE = 3 •• » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< 8 DEPTH OF FLOW IN 51.0 INCH PIPE IS 36.3 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 5.1 UPSTREAM NODE ELEVATION = 1263.00 DOWNSTREAM NODE ELEVATION = 1261.00 FLOWLENGTH(FEET) = 1300.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 51.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 55.20 TRAVEL TIME(MIN.) = 4.24 TC(MIN.) = 22.57 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 108.30 TO NODE 108.31 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.060 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 •• SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 26.61 EFFECTIVE AREA(ACRES) = 55.00 WIN AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 55.00 PEAK FLOW RATE(CFS) = 73.18 TC(MIN) = 22.57 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 108.35 TO NODE 108.31 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.060 °"` SOIL CLASSIFICATION IS "A" ,.. RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 26.61 EFFECTIVE AREA(ACRES) = 75.00 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 75.00 PEAK FLOW RATE(CFS) = 99.79 TC(MIN) = 22.57 *************************************:** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 108.31 TO NODE 108.31 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) = 22.57 RAINFALL INTENSITY (INCH. /HOUR) = 2.06 EFFECTIVE STREAM AREA(ACRES) = 75.00 TOTAL STREAM AREA(ACRES) = 75.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 99.79 oft 9 ir► CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 229.42 29.51 1.754 .58 213.00 2 99.79 22.57 2.060 .58 75.00 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO �.. CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) or 1 308.56 288.00 2 321.09 237.93 *•* COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 321.09 TIME(MINUTES) = 22.574 v. EFFECTIVE AREA(ACRES) = 237.93 TOTAL AREA(ACRES) = 288.00 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 108.31 TO NODE 108.32 IS CODE = 4 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA ««< » » >USING USER - SPECIFIED PIPESIZE« «< PIPEFLOW VELOCITY(FEET /SEC.) = 22.6 UPSTREAM NODE ELEVATION = 1261.00 DOWNSTREAM NODE ELEVATION = 1249.00 +• FLOWLENGTH(FEET) = 650.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 51.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 321.09 TRAVEL TIME(MIN.) = .48 TC(MIN.) = 23.05 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 108.32 TO NODE 108.33 IS CODE = 4 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « « < » » >USING USER - SPECIFIED PIPESIZE ««< PIPEFLOW VELOCITY(FEET /SEC.) = 20.2 UPSTREAM NODE ELEVATION = 1249.00 DOWNSTREAM NODE ELEVATION = 1243.00 FLOWLENGTH(FEET) = 300.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 54.00 NUMBER OF PIPES = 1 +� PIPEFLOW THRU SUBAREA(CFS) = 321.09 TRAVEL TIME(MIN.) = .25 TC(MIN.) = 23.30 END OF STUDY SUMMARY: TOTAL AREA(ACRES) = 288.00 �,. EFFECTIVE AREA(ACRES) = 237.93 PEAK FLOW RATE(CFS) = 321.09 err 10 END OF RATIONAL METHOD ANALYSIS or rr w ✓ r w W O MO +r w 11 ar - mu **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 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 wr Especially prepared for: am HALL & FOREMAN * * * * * * * * * * * * * * * * * * * * * * * * ** DESCRIPTION OF STUDY * * * * * * * * * * * * * * * * * * * * ** * N. FONTANA MASTER S.D. PLAN, W. FONTANA LAT. 1, ALONG JUNIPER * Q 100 YEAR, NOT DESIGN Q * JN 3547 *************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** , FILE NAME: WFONT1R.100 TIME/DATE OF STUDY: 0:31 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) = .970 100 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.470 COMPUTED RAINFALL INTENSITY DATA: STORM EVENT = 100.00 1 -HOUR INTENSITY(INCH /HOUR) = 1.4700 sm SLOPE OF INTENSITY DURATION CURVE = .6000 wr .., **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 105.00 TO NODE . 105.01 IS CODE = 2 » »> RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 3 -4 DWELLINGS /ACRE MR TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 IN INITIAL SUBAREA FLOW- LENGTH = 800.00 UPSTREAM ELEVATION = 1365.00 eft DOWNSTREAM ELEVATION = 1355.00 ELEVATION DIFFERENCE = 10.00 TC = .412 *[( 800.00 ** 3.00)/( 10.00)] ** .20 = 14.347 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.469 sm SOIL CLASSIFICATION IS "A" rr RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA RUNOFF(CFS) = 20.78 TOTAL AREA(ACRES) = 8.00 PEAK FLOW RATE(CFS) = 20.78 es 'W' 1 .w INN aw **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 105.01 TO NODE 105.02 IS CODE = 6 » » >COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA« «< UPSTREAM ELEVATION = 1355.00 DOWNSTREAM ELEVATION = 1340.00 41' STREET LENGTH(FEET) = 900.00 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 imo SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 20.78 �• STREETFLOW MODEL RESULTS: STREET FLOWDEPTH(FEET) = .45 HALFSTREET FLOODWIDTH(FEET) = 16.24 AVERAGE FLOW VELOCITY(FEET /SEC.) = 3.77 PRODUCT OF DEPTH &VELOCITY = 1.70 STREETFLOW TRAVELTIME(MIN) = 3.98 TC(MIN) = 18.33 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.995 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) = 8.00 *■ AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 8.00 PEAK FLOW RATE(CFS) = 20.78 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .45 HALFSTREET FLOODWIDTH(FEET) = 16.24 FLOW VELOCITY(FEET /SEC.) = 3.77 DEPTH *VELOCITY = 1.70 .r. **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 105.10 TO NODE •105.02 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.995 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 19.00 SUBAREA RUNOFF(CFS) = 41.26 EFFECTIVE AREA(ACRES) = 27.00 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 27.00 PEAK FLOW RATE(CFS) = 58.63 TC(MIN) = 18.33 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 105.02 TO NODE 105.03 IS CODE = 6 » » >COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA « «< '� 2 rr UPSTREAM ELEVATION = 1340.00 DOWNSTREAM ELEVATION = 1318.50 STREET LENGTH(FEET) = 1300.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 20.00 wo 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) = 58.63 ** *STREET FLOWING FULL * ** STREETFLOW MODEL RESULTS: NOTE: STREETFLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREETFLOW RESULTS ARE BASED ON THE ASSUMPTION ++l THAT NEGLIBLE FLOW OCCURS OUTSIDE OF THE STREET CHANNEL. THAT IS, ALL FLOW ALONG THE PARKWAY, ETC., IS NEGLECTED. STREET FLOWDEPTH(FEET) = .59 „r„ HALFSTREET FLOODWIDTH(FEET) = 20.00 AVERAGE FLOW VELOCITY(FEET /SEC.) = 5.34 ,. PRODUCT OF DEPTH &VELOCITY = 3.18 wo STREETFLOW TRAVELTIME(MIN) = 4.05 TC(MIN) = 22.38 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.656 "w SOIL CLASSIFICATION IS "A" ow RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 •� EFFECTIVE AREA(ACRES) = 27.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 27.00 PEAK FLOW RATE(CFS) = 58.63 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .59 HALFSTREET FLOODWIDTH(FEET) = 20.00 • FLOW VELOCITY(FEET /SEC.) = 5.34 DEPTH *VELOCITY = 3.18 +rr **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 105.20 TO NODE 105.03 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.656 SOIL CLASSIFICATION IS "A" err RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 26.00 SUBAREA RUNOFF(CFS) = 48.54 *R EFFECTIVE AREA(ACRES) = 53.00 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 53.00 oo PEAK FLOW RATE(CFS) = 98.95 TC(MIN) = 22.38 it **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 105.03 TO NODE 106.10 IS CODE = 4 ow 3 mm » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< » » >USING USER - SPECIFIED PIPESIZE « «< PIPEFLOW VELOCITY(FEET /SEC.) = 10.3 m . UPSTREAM NODE ELEVATION = 1318.50 DOWNSTREAM NODE ELEVATION = 1318.00 FLOWLENGTH(FEET) = 320.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 42.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 98.95 TRAVEL TIME(MIN.) = .52 TC(MIN.) = 22.90 .o **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** "" FLOW PROCESS FROM NODE 106.00 TO NODE 106.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.620 ° SOIL CLASSIFICATION IS "A" mim RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 36.69 EFFECTIVE AREA(ACRES) = 73.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 73.00 PEAK FLOW RATE(CFS) = 133.91 TC(MIN) = 22.90 A. **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 106.10 TO NODE 107.10 IS CODE = 4 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< » » >USING USER - SPECIFIED PIPESIZE « «< PIPEFLOW VELOCITY(FEET /SEC.) = 13.9 UPSTREAM NODE ELEVATION = 1318.00 DOWNSTREAM NODE ELEVATION = 1317.00 FLOWLENGTH(FEET) = 320.00 MANNINGS N = .013 ,.« GIVEN PIPE DIAMETER(INCH) = 42.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 133.91 TRAVEL TIME(MIN.) = .38 TC(MIN.) = 23.28 usi FLOW PROCESS FROM NODE 107.00 TO NODE 107.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.594 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 36.22 EFFECTIVE AREA(ACRES) = 93.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 93.00 4 ti irr PEAK FLOW RATE(CFS) = 168.42 �• TC(MIN) = 23.28 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 107.10 TO NODE 108.10 IS CODE = 4 irr » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< » » >USING USER - SPECIFIED PIPESIZE « «< PIPEFLOW VELOCITY(FEET /SEC.) = 13.4 .. UPSTREAM NODE ELEVATION = 1317.00 DOWNSTREAM NODE ELEVATION = 1315.00 FLOWLENGTH(FEET) = 640.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 48.00 NUMBER OF PIPES = 1 "" PIPEFLOW THRU SUBAREA(CFS) = 168.42 TRAVEL TIME(MIN.) = .80 TC(MIN.) = 24.08 .w� **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 108.00 TO NODE 108.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< r 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.542 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 70.58 EFFECTIVE AREA(ACRES) = 133.00 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 133.00 PEAK FLOW RATE(CFS) = 234.66 TC(MIN) = 24.08 rr **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 108.10 TO NODE 108.12 IS CODE = 3 ..e » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »» >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< lww DEPTH OF FLOW IN 54.0 INCH PIPE IS 43.4 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 17.1 se UPSTREAM NODE ELEVATION = 1315.00 DOWNSTREAM NODE ELEVATION = 1294.00 +*� FLOWLENGTH(FEET) = 1350.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 54.00 NUMBER OF PIPES = 1 'tra PIPEFLOW THRU SUBAREA(CFS) = 234.66 TRAVEL TIME(MIN.) = 1.31 TC(MIN.) = 25.39 +�r *******•********************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** * FLOW PROCESS FROM NODE 108.11 TO NODE 108.12 IS CODE = 8 ss » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 5 Orr A rr 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.463 SOIL CLASSIFICATION IS "A" 1 RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 67.71 EFFECTIVE AREA(ACRES) = 173.00 err AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 173.00 PEAK FLOW RATE(CFS) = 292.83 TC(MIN) = 25.39 0. **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 40 FLOW PROCESS FROM NODE 108.12 TO NODE 108.22 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< ou DEPTH OF FLOW IN 60.0 INCH PIPE IS 44.7 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 18.7 UPSTREAM NODE ELEVATION = 1294.00 0 . DOWNSTREAM NODE ELEVATION = 1272.00 FLOWLENGTH(FEET) = 1350.00 MANNINGS N = .013 100 ESTIMATED PIPE DIAMETER(INCH) = 60.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 292.83 1111 TRAVEL TIME(MIN.) = 1.20 TC(MIN.) = 26.59 ir. �., **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 108.20 TO NODE 108.22 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< +w. 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.395 SOIL CLASSIFICATION IS "A" .. RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) =: .5 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 65.27 EFFECTIVE AREA(ACRES) = 213.00 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 213.00 4111 PEAK FLOW RATE(CFS) = 347.59 TC(MIN) = 26.59 11. **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** �• FLOW PROCESS FROM NODE 108.22 TO NODE 108.31 IS CODE = 4 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< » » >USING USER - SPECIFIED PIPESIZE««< ... .r PIPEFLOW VELOCITY(FEET /SEC.) = 24.5 UPSTREAM NODE ELEVATION = 1272.00 °°~ DOWNSTREAM NODE ELEVATION = 1261.00 FLOWLENGTH(FEET) = 650.00 MANNINGS N = .013 0. GIVEN PIPE DIAMETER(INCH) = 51.00 NUMBER OF PIPES = 1 aw r 6 a.. PIPEFLOW THRU SUBAREA(CFS) = 347.59 �++ TRAVEL TIME(MIN.) = .44 TC(MIN.) = 27.04 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 108.31 TO NODE 108.31 IS CODE = 1 OW » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 27.04 RAINFALL INTENSITY (INCH. /HOUR) = 2.37 EFFECTIVE STREAM AREA(ACRES) = 213.00 TOTAL STREAM AREA(ACRES) = 213.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 347.59 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 108.52 TO NODE 108.51 IS CODE = 2 » » >RATIONAL METHOD INITIAL SUBAREA ANALYSIS« «< aw DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 3 -4 DWELLINGS /ACRE TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW - LENGTH = 800.00 a. UPSTREAM ELEVATION = 1276.00 DOWNSTREAM ELEVATION = 1268.00 ELEVATION DIFFERENCE = 8.00 TC = .412 *[( 800.00 ** 3.00)/( 8.00)] ** .20 = 15.001 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.377 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA RUNOFF(CFS) = 25.15 TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 25.15 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 108.51 TO NODE 108.41 IS CODE = 6 » » >COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA ««< UPSTREAM ELEVATION = 1268.00 DOWNSTREAM ELEVATION = 1263.00 STREET LENGTH(FEET) = 600.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 20.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 12.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 25.15 STREETFLOW MODEL RESULTS: STREET FLOWDEPTH(FEET) = .63 ew 1 7 r - HALFSTREET FLOODWIDTH(FEET) = 17.38 AVERAGE FLOW VELOCITY(FEET /SEC.) = 3.30 PRODUCT OF DEPTH &VELOCITY = 2.07 STREETFLOW TRAVELTIME(MIN) = 3.03 TC(MIN) = 18.03 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.024 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) = 10.00 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 25.15 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .63 HALFSTREET FLOODWIDTH(FEET) = 17.38 ion FLOW VELOCITY(FEET /SEC.) = 3.30 DEPTH *VELOCITY = 2.07 rr **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 108.42 TO NODE 108.41 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.024 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 "` SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 21.98 EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 43.96 TC(MIN) = 18.03 YY * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * FLOW PROCESS FROM NODE 108.43 TO NODE 108.41 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.024 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 15.00 SUBAREA RUNOFF(CFS) = 32.97 EFFECTIVE AREA(ACRES) = 35.00 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 35.00 PEAK FLOW RATE(CFS) = 76.93 TC(MIN) = 18.03 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 108.41 TO NODE 108.31 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< 8 r , DEPTH OF FLOW IN 57.0 INCH PIPE IS 41.7 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 5.5 UPSTREAM NODE ELEVATION = 1263.00 DOWNSTREAM NODE ELEVATION = 1261.00 FLOWLENGTH(FEET) = 1300.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 57.00 NUMBER OF PIPES = 1 �r. PIPEFLOW THRU SUBAREA(CFS) = 76.93 TRAVEL TIME(MIN.) = 3.91 TC(MIN.) = 21.94 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 108.30 TO NODE 108.31 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.688 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 *w SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 37.91 EFFECTIVE AREA(ACRES) = 55.00 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 55.00 PEAK FLOW RATE(CFS) = 104.24 to TC(MIN) = 21.94 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 108.35 TO NODE 108.31 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.688 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 37.91 -- EFFECTIVE AREA(ACRES) = 75.00 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 75.00 PEAK FLOW RATE(CFS) = 142.15 TC(MIN) = 21.94 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 108.31 TO NODE 108.31 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) = 21.94 to RAINFALL INTENSITY (INCH. /HOUR) = 2.69 EFFECTIVE STREAM AREA(ACRES) = 75.00 TOTAL STREAM AREA(ACRES) = 75.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 142.15 9 err CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 347.59 27.04 2.372 .58 213.00 2 142.15 21.94 2.688 .58 75.00 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE ..,, NUMBER Q(CFS) AREA(ACRES) 1 468.39 288.00 2 474.14 247.89 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: all PEAK FLOW RATE(CFS) = 474.14 TIME(MINUTES) = 21.944 EFFECTIVE AREA(ACRES) = 247.89 TOTAL AREA(ACRES) = 288.00 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 108.31 TO NODE 108.32 IS CODE = 4 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< » » >USING USER - SPECIFIED PIPESIZE««< PIPEFLOW VELOCITY(FEET /SEC.) = 33.4 ... UPSTREAM NODE ELEVATION = 1261.00 DOWNSTREAM NODE ELEVATION = 1249.00 FLOWLENGTH(FEET) = 650.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 51.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 474.14 TRAVEL TIME(MIN.) = .32 TC(MIN.) = 22.27 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 108.32 TO NODE 108.33 IS CODE = 4 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « « < » » >USING USER - SPECIFIED PIPESIZE« «< PIPEFLOW VELOCITY(FEET /SEC.) = 29.8 UPSTREAM NODE ELEVATION = 1249.00 DOWNSTREAM NODE ELEVATION = 1243.00 w• FLOWLENGTH(FEET) = 300.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 54.00 NUMBER OF PIPES = 1 to PIPEFLOW THRU SUBAREA(CFS) = 474.14 TRAVEL TIME(MIN.) = .17 TC(MIN.) = 22.44 +�• END OF STUDY SUMMARY: TOTAL AREA(ACRES) = 288.00 EFFECTIVE AREA(ACRES) = 247.89 PEAK FLOW RATE(CFS) = 474.14 10 r END OF RATIONAL METHOD ANALYSIS rir S E U111 S O rr r w G IN ✓ W O mit MO N IB ANN 11 rr +ir **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 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 ■r Especially prepared for: HALL & FOREMAN * * * * * * * * * * * * * * * * * * * * * * * * ** DESCRIPTION OF STUDY * * * * * * * * * * * * * * * * * * * * ** * N. FONTANA MASTER S.D. PLAN, W. FONTANA CHANNEL LAT. 2, ALONG CYPRESS * Q 100 -25, DESIGN Q, INCLUDES OVERFLOW FROM BASELINE S.D. SYSTEM * JN 3547 *************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ,�. FILE NAME: WFONLAT2.DAT TIME /DATE OF STUDY: 7:37 1/ 1/1980 err USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: m -- *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) = .970 ., 100 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.470 COMPUTED RAINFALL INTENSITY DATA: STORM EVENT = 25.00 1 -HOUR INTENSITY(INCH /HOUR) = 1.1461 SLOPE OF INTENSITY DURATION CURVE = .6000 ., **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 100.00 TO NODE 100.01 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 = 1417.00 DOWNSTREAM ELEVATION = 1408.00 ELEVATION DIFFERENCE = 9.00 TC = .412 *[( 900.00 ** 3.00)/( 9.00)] ** .20 = 15.725 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.560 SOIL CLASSIFICATION IS "A" de RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA RUNOFF(CFS) = 17.80 ** TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 17.80 ar ms a. 1 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 100.01 TO NODE 100.02 IS CODE = 6 » » >COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< UPSTREAM ELEVATION = 1408.00 DOWNSTREAM ELEVATION = 1364.00 STREET LENGTH(FEET) = 2200.00 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) = 17.80 STREETFLOW MODEL RESULTS: STREET FLOWDEPTH(FEET) = .42 HALFSTREET FLOODWIDTH(FEET) = 14.51 AVERAGE FLOW VELOCITY(FEET /SEC.) = 4.00 PRODUCT OF DEPTH &VELOCITY = 1.67 STREETFLOW TRAVELTIME(MIN) = 9.16 TC(MIN) = 24.88 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.943 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) = 10.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 17.80 ®• END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .42 HALFSTREET FLOODWIDTH(FEET) = 14.51 FLOW VELOCITY(FEET /SEC.) = 4.00 DEPTH *VELOCITY = 1.67 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 100.10 TO NODE , 100.02 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « « < 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.943 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 41.00 SUBAREA RUNOFF(CFS) = 50.24 or EFFECTIVE AREA(ACRES) = 51.00 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 51.00 PEAK FLOW RATE(CFS) = 62.49 TC(MIN) = 24.88 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 100.02 TO NODE 101.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< 2 rr . » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< DEPTH OF FLOW IN 54.0 INCH PIPE IS 39.8 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 5.0 UPSTREAM NODE ELEVATION = 1364.00 DOWNSTREAM NODE ELEVATION = 1363.60 FLOWLENGTH(FEET) = 300.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 54.00 NUMBER OF PIPES = 1 �• PIPEFLOW THRU SUBAREA(CFS) = 62.49 err TRAVEL TIME(MIN.) = 1.00 TC(MIN.) = 25.89 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 410 FLOW PROCESS FROM NODE 101.00 TO NODE 101.10 IS CODE = 8 os » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.898 .., SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 23.68 EFFECTIVE AREA(ACRES) = 71.00 AVERAGED Fm(INCH/HR) = .582 as TOTAL AREA(ACRES) = 71.00 PEAK FLOW RATE(CFS) = 84.08 *D TC(MIN) = 25.89 err **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 101.10 TO NODE 102.10 IS CODE = 3 so » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « « < » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) ««< so DEPTH OF FLOW IN 60.0 INCH PIPE IS 44.8 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 5.3 UPSTREAM NODE ELEVATION = 1363.60 DOWNSTREAM NODE ELEVATION = 1363.20 FLOWLENGTH(FEET) = 300.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 60.00 NUMBER OF PIPES = 1 rr PIPEFLOW THRU SUBAREA(CFS) = 84.08 TRAVEL TIME(MIN.) = .94 TC(MIN.) = 26.82 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ,,,. FLOW PROCESS FROM NODE 102.00 TO NODE 102.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.858 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 •• SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 22.96 EFFECTIVE AREA(ACRES) = 91.00 4110 AVERAGED Fm(INCH/HR) = .582 3 wo we TOTAL AREA(ACRES) = 91.00 PEAK FLOW RATE(CFS) = 104.49 .. TC(MIN) = 26.82 ow **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 102.10 TO NODE 103.10 IS CODE = 4 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA ««< » » >USING USER - SPECIFIED PIPESIZE««< err DEPTH OF FLOW IN 63.0 INCH PIPE IS 42.9 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 6.6 UPSTREAM NODE ELEVATION = 1363.20 DOWNSTREAM NODE ELEVATION = 1362.00 .. FLOWLENGTH(FEET) = 600.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 63.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 104.49 TRAVEL TIME(MIN.) = 1.50 TC(MIN.) = 28.33 SW **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** OM FLOW PROCESS FROM NODE 103.00 TO NODE 103.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.798 war SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 43.78 ow EFFECTIVE AREA(ACRES) = 131.00 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 131.00 PEAK FLOW RATE(CFS) = 143.36 TC(MIN) = 28.33 am **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 103.10 TO NODE 103.10 IS CODE = 1 err » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< +�» CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 28.33 w` RAINFALL INTENSITY (INCH. /HOUR) = 1.80 EFFECTIVE STREAM AREA(ACRES) = 131.00 ow TOTAL STREAM AREA(ACRES) = 131.00 +w PEAK FLOW RATE(CFS) AT CONFLUENCE = 143.36 ow **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW.PROCESS FROM NODE 211.10 TO NODE 211.10 IS CODE = 7 ow » » >USER SPECIFIED HYDROLOGY INFORMATION AT NODE««< ow s 4 irr USER - SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 19.10 RAIN INTENSITY(INCH /HOUR) = 2.28 EFFECTIVE AREA(ACRES) = 41.00 TOTAL AREA(ACRES) = 41.00 PEAK FLOW RATE(CFS) = 92.00 AVERAGED LOSS RATE, Fm(IN /HR) = .582 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 211.10 TO NODE 103.10 IS CODE = 6 » »> COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA « «< UPSTREAM ELEVATION = 1412.00 DOWNSTREAM ELEVATION = 1362.00 STREET LENGTH(FEET) = 2750.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 20.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 12.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 10 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 92.00 0 ** *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) = .79 HALFSTREET FLOODWIDTH(FEET) = 20.00 AVERAGE FLOW VELOCITY(FEET /SEC.) = 6.63 PRODUCT OF DEPTH &VELOCITY = 5.21 STREETFLOW TRAVELTIME(MIN) = 6.91 TC(MIN) = 26.01 on 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.892 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) = 41.00 0 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 41.00 PEAK FLOW RATE(CFS) = 92.00 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .79 HALFSTREET FLOODWIDTH(FEET) = 20.00 FLOW VELOCITY(FEET /SEC.) = 6.63 DEPTH *VELOCITY = 5.21 +rr **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 103.10 TO NODE 103.10 IS CODE = 1 �r » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE« «< » COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 26.01 ra 5 rrr ti RAINFALL INTENSITY (INCH. /HOUR) = 1.89 EFFECTIVE STREAM AREA(ACRES) = 41.00 TOTAL STREAM AREA(ACRES) = 41.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 92.00 CONFLUENCE INFORMATION: it STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 143.36 28.33 1.798 .58 131.00 2 92.00 26.01 1.892 .58 41.00 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 228.74 172.00 2 233.86 161.29 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 233.86 TIME(MINUTES) = 26.013 EFFECTIVE AREA(ACRES) = 161.29 TOTAL AREA(ACRES) = 172.00 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 103.10 TO NODE 104.22 IS CODE = 4 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< 'W' » » > USING USER - SPECIFIED PIPESIZE« «< PIPEFLOW VELOCITY(FEET /SEC.) = 10.8 UPSTREAM NODE ELEVATION = 1362.00 DOWNSTREAM NODE ELEVATION = 1359.00 FLOWLENGTH(FEET) = 600.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 63.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 233.86 MD TRAVEL TIME(MIN.) = .93 TC(MIN.) = 26.94 as **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 104.21 TO NODE 104.22 IS CODE = 8 irr » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.853 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 45.76 „ EFFECTIVE AREA(ACRES) = 201.29 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 212.00 PEAK FLOW RATE(CFS) = 233.86 TC(MIN) = 26.94 aw 6 wr rr **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 104.22 TO NODE 104.10 IS CODE = 4 °A » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA ««< rr » » >USING USER - SPECIFIED PIPESIZE««< .. PIPEFLOW VELOCITY(FEET /SEC.) = 10.8 UPSTREAM NODE ELEVATION = 1359.00 DOWNSTREAM NODE ELEVATION = 1356.00 „■, FLOWLENGTH(FEET) = 600.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 63.00 NUMBER OF PIPES = 1 sir PIPEFLOW THRU SUBAREA(CFS) = 233.86 TRAVEL TIME(MIN. = .93 TC(MIN.) = 27.86 +ri **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 104.31 TO NODE 104.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.816 rn+ SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 44.42 ■. EFFECTIVE AREA(ACRES) = 241.29 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 252.00 PEAK FLOW RATE(CFS) = 267.96 TC(MIN) = 27.86 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** Off FLOW PROCESS FROM NODE 104.10 TO NODE 104.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE« «< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 27.86 RAINFALL INTENSITY (INCH. /HOUR) = 1.82 EFFECTIVE STREAM AREA(ACRES) = 241.29 TOTAL STREAM AREA(ACRES) = 252.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 267.96 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 212.10 TO NODE 212.10 IS CODE = 7 » » >USER SPECIFIED HYDROLOGY INFORMATION AT NODE ««< err USER - SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 18.60 RAIN INTENSITY(INCH /HOUR) = 2.31 EFFECTIVE AREA(ACRES) = 45.10 TOTAL AREA(ACRES) = 45.10 PEAK FLOW RATE(CFS) = 96.40 7 rrr AVERAGED LOSS RATE, Fm(IN /HR) = .582 AIIM rr' **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 212.10 TO NODE 104.10 IS CODE = 6 » »> COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA « UPSTREAM ELEVATION = 1408.00 DOWNSTREAM ELEVATION = 1356.00 , STREET LENGTH(FEET) = 2750.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 20.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 12.00 d11 INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 ur SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 *■ * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 96.40 ** *STREET FLOWING FULL * ** MD 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) = .81 HALFSTREET FLOODWIDTH(FEET) = 20.00 AVERAGE FLOW VELOCITY(FEET /SEC.) = 6.58 �.. PRODUCT OF DEPTH &VELOCITY = 5.30 STREETFLOW TRAVELTIME(MIN) = 6.97 TC(MIN) = 25.57 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.912 SOIL CLASSIFICATION IS "A" irr RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 EFFECTIVE AREA(ACRES) = 45.10 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 45.10 PEAK FLOW RATE(CFS) = 96.40 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .81 HALFSTREET FLOODWIDTH(FEET) = 20.00 FLOW VELOCITY(FEET /SEC.) = 6.58 DEPTH *VELOCITY = 5.30 ew **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 104.10 TO NODE 104.10 IS CODE = 1 as » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< » » >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES « «< NO CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 25.57 RAINFALL INTENSITY (INCH. /HOUR) = 1.91 EFFECTIVE STREAM AREA(ACRES) = 45.10 TOTAL STREAM AREA(ACRES) = 45.10 ow PEAK FLOW RATE(CFS) AT CONFLUENCE = 96.40 .ri 8 irr CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 267.96 27.86 1.816 .58 241.29 2 96.40 25.57 1.912 .58 45.10 �* RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 357.39 286.39 2 361.44 266.51 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 361.44 TIME(MINUTES) = 25.569 EFFECTIVE AREA(ACRES) = 266.51 err TOTAL AREA(ACRES) = 297.10 '"" **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** rrr FLOW PROCESS FROM NODE 104.10 TO NODE 109.23 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA ««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< .,, DEPTH OF FLOW IN 63.0 INCH PIPE IS 49.9 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 19.6 UPSTREAM NODE ELEVATION = 1356.00 DOWNSTREAM NODE ELEVATION = 1311.00 FLOWLENGTH(FEET) = 2700.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 63.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 361.44 .•� TRAVEL TIME(MIN.) = 2.29 TC(MIN.) = 27.86 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** M, FLOW PROCESS FROM NODE 109.23 TO NODE 109.23 IS CODE = 1 +r » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE« «< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 27.86 RAINFALL INTENSITY (INCH. /HOUR) = 1.82 EFFECTIVE STREAM AREA(ACRES) = 266.51 TOTAL STREAM AREA(ACRES) = 297.10 PEAK FLOW RATE(CFS) AT CONFLUENCE = 361.44 err **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** �* FLOW PROCESS FROM NODE 109.00 TO NODE 109.01 IS CODE = 2 ■r » » >RATIONAL METHOD INITIAL SUBAREA ANALYSIS « «< Or 9 4 err PO 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 = 1362.00 DOWNSTREAM ELEVATION = 1345.00 ELEVATION DIFFERENCE = 17.00 TC = .412 *[( 1000.00 ** 3.00)/( 17.00)] ** .20 = 14.751 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.660 SOIL CLASSIFICATION IS "A" ..,, RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA RUNOFF(CFS) = 8.60 TOTAL AREA(ACRES) = 4.60 PEAK FLOW RATE(CFS) = 8.60 ,r **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 109.01 TO NODE 109.11 IS CODE = 5 » »>COMPUTE TRAPEZOIDAL- CHANNEL FLOW««< IMO » » >TRAVELTIME THRU SUBAREA««< UPSTREAM NODE ELEVATION = 1345.00 or DOWNSTREAM NODE ELEVATION = 1326.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1000.00 CHANNEL BASE(FEET) = 3.00 "Z" FACTOR = 2.000 ,p MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 2.00 CHANNEL FLOW THRU SUBAREA(CFS) = 8.60 FLOW VELOCITY(FEET /SEC) = 3.84 FLOW DEPTH(FEET) = .55 TRAVEL TIME(MIN.) = 4.34 TC(MIN.) = 19.09 """ **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 109.10 TO NODE 109.11 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.279 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA AREA(ACRES) = 4.60 SUBAREA RUNOFF(CFS) = 7.02 EFFECTIVE AREA(ACRES) = 9.20 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 9.20 PEAK FLOW RATE(CFS) = 14.05 ... TC(MIN) = 19.09 err **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 109.11 TO NODE 109.02 IS CODE = 5 +rr » » >COMPUTE TRAPEZOIDAL- CHANNEL FLOW««< """ » » >TRAVELTIME THRU SUBAREA« «< UPSTREAM NODE ELEVATION = 1326.00 oft "' 10 +rw . raft rr DOWNSTREAM NODE ELEVATION = 1314.30 CHANNEL LENGTH THRU SUBAREA(FEET) = 650.00 CHANNEL BASE(FEET) = 3.00 "Z" FACTOR = 2.000 sr MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 2.00 CHANNEL FLOW THRU SUBAREA(CFS) = 14.05 FLOW VELOCITY(FEET /SEC) = 4.28 FLOW DEPTH(FEET) = .73 TRAVEL TIME(MIN.) = 2.53 TC(MIN.) = 21.62 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 109.20 TO NODE 109.02 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.115 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 3.00 SUBAREA RUNOFF(CFS) = 4.14 ,,,, EFFECTIVE AREA(ACRES) = 12.20 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 12.20 PEAK FLOW RATE(CFS) = 16.83 TC(MIN) = 21.62 ,f, **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 109.02 TO NODE 109.12 IS CODE = 6 IS » » >COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA ««< UPSTREAM ELEVATION = 1314.30 DOWNSTREAM ELEVATION = 1313.50 STREET LENGTH(FEET) = 200.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 32.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 24.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 16.83 STREETFLOW MODEL RESULTS: +�. STREET FLOWDEPTH(FEET) = .63 HALFSTREET FLOODWIDTH(FEET) = 17.37 AVERAGE FLOW VELOCITY(FEET /SEC.) = 2.21 PRODUCT OF DEPTH &VELOCITY = 1.38 STREETFLOW TRAVELTIME(MIN) = 1.51 TC(MIN) = 23.13 wr 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.031 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 We EFFECTIVE AREA(ACRES) = 12.20 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 12.20 PEAK FLOW RATE(CFS) = 16.83 11 mm END OF SUBAREA STREETFLOW HYDRAULICS: .., DEPTH(FEET) = .63 HALFSTREET FLOODWIDTH(FEET) = 17.37 FLOW VELOCITY(FEET /SEC.) = 2.21 DEPTH *VELOCITY = 1.38 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** err FLOW PROCESS FROM NODE 109.30 TO NODE 109.12 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.031 11e SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 13.04 EFFECTIVE AREA(ACRES) = 22.20 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 22.20 PEAK FLOW RATE(CFS) = 28.94 �.. TC(MIN) = 23.13 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 109.12 TO NODE 109.22 IS CODE = 6 OW » » >COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< UPSTREAM ELEVATION = 1313.50 DOWNSTREAM ELEVATION = 1311.00 STREET LENGTH(FEET) = 350.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 32.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 24.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 rn SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 opm * *TRAVELTIME COMPUTED USING MEAN TLOW(CFS) = 28.94 `s STREETFLOW MODEL RESULTS: NOTE: STREETFLOW EXCEEDS TOP OF CURB. mm 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) = .67 am HALFSTREET FLOODWIDTH(FEET) = 19.62 AVERAGE FLOW VELOCITY(FEET /SEC.) = 3.12 ,., PRODUCT OF DEPTH &VELOCITY = 2.09 STREETFLOW TRAVELTIME(MIN) = 1.87 TC(MIN) = 25.00 OW 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.938 SOIL CLASSIFICATION IS "A" em RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 *• EFFECTIVE AREA(ACRES) = 22.20 AVERAGED Fm(INCH /HR) = .582 m• TOTAL AREA(ACRES) = 22.20 PEAK FLOW RATE(CFS) = 28.94 12 miwo r . END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .67 HALFSTREET FLOODWIDTH(FEET) = 19.62 FLOW VELOCITY(FEET /SEC.) = 3.12 DEPTH *VELOCITY = 2.09 �rrr "�. **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 109.21 TO NODE 109.22 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.938 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 24.41 EFFECTIVE AREA(ACRES) = 42.20 AVERAGED Fm(INCH/HR) = .582 ,,, TOTAL AREA(ACRES) = 42.20 PEAK FLOW RATE(CFS) = 51.50 ... TC(MIN) = 25.00 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 109.22 TO NODE 109.23 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< *•* » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 42.0 INCH PIPE IS 31.4 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 6.7 UPSTREAM NODE ELEVATION = 1311.00 DOWNSTREAM NODE ELEVATION = 1309.00 FLOWLENGTH(FEET) = 600.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 42.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 51.50 TRAVEL TIME(MIN.) = 1.50 TC(MIN.) = 26.50 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 109.31 TO NODE 109.23 IS CODE = 8 ww » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« « < 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.871 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 46.42 EFFECTIVE AREA(ACRES) = 82.20 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 82.20 PEAK FLOW RATE(CFS) = 95.40 TC(MIN) = 26.50 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 109.23 TO NODE 109.23 IS CODE = 1 13 rrr .., » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE ««< » » >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES« «< we CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: wo TIME OF CONCENTRATION(MINUTES) = 26.50 rr RAINFALL INTENSITY (INCH. /HOUR) = 1.87 EFFECTIVE STREAM AREA(ACRES) = 82.20 TOTAL STREAM AREA(ACRES) = 82.20 PEAK FLOW RATE(CFS) AT CONFLUENCE = 95.40 ow CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE o w NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 361.44 27.86 1.816 .58 266.51 , 2 95.40 26.50 1.871 .58 82.20 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 452.74 348.71 "'" 2 454.61 335.69 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 454.61 TIME(MINUTES) = 26.498 , EFFECTIVE AREA(ACRES) = 335.69 TOTAL AREA(ACRES) = 379.30 we **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ,rr FLOW PROCESS FROM NODE 109.23 TO NODE 109.24 IS CODE = 4 » » > COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< 4r » » >USING USER - SPECIFIED PIPESIZE««< PIPEFLOW VELOCITY(FEET /SEC.) = 17.5 elk UPSTREAM NODE ELEVATION = 1309.00 DOWNSTREAM NODE ELEVATION = 1290.00 FLOWLENGTH(FEET) = 1350.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 69.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 454.61 TRAVEL TIME(MIN.) = 1.29 TC(MIN.) = 27.78 w' **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 1001.00 TO NODE 109.24 IS CODE = 8 +�w » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.819 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 �" 14 +rr SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 44.53 EFFECTIVE AREA(ACRES) = 375.69 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 419.30 PEAK FLOW RATE(CFS) = 454.61 TC(MIN) = 27.78 rrr **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 109.24 TO NODE 109.24 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 27.78 RAINFALL INTENSITY (INCH. /HOUR) = 1.82 es EFFECTIVE STREAM AREA(ACRES) = 375.69 TOTAL STREAM AREA(ACRES) = 419.30 PEAK FLOW RATE(CFS) AT CONFLUENCE = 454.61 wr **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 1001.00 TO NODE 109.24 IS CODE = 7 rrr » » >USER SPECIFIED HYDROLOGY INFORMATION AT NODE ««< USER - SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 26.71 RAIN INTENSITY(INCH /HOUR) = 1.86 EFFECTIVE AREA(ACRES) = 12.66 TOTAL AREA(ACRES) = 12.66 PEAK FLOW RATE(CFS) = 20.58 AVERAGED LOSS RATE, Fm(IN /HR) = .582 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 109.24 TO NODE 109.24 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< » » >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 26.71 RAINFALL INTENSITY (INCH. /HOUR) = 1.86 EFFECTIVE STREAM AREA(ACRES) = 12.66 TOTAL STREAM AREA(ACRES) = 12.66 PEAK FLOW RATE(CFS) AT CONFLUENCE = 20.58 .A CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) rrr 1 454.61 27.78 1.819 .58 375.69 2 20.58 26.71 1.863 .58 12.66 m RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. mow - 15 err SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) so 1 474.49 388.35 2 473.00 373.84 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 474.49 TIME(MINUTES) = 27.783 �.► EFFECTIVE = 388.35 err TOTAL AREA(ACRES) = 431.96 ,.' **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** erer FLOW PROCESS FROM NODE 109.24 TO NODE 109.30 IS CODE = 3 IWN » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA ««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) ««< DEPTH OF FLOW IN 69.0 INCH PIPE IS 51.7 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 22.7 UPSTREAM NODE ELEVATION = 1290.00 DOWNSTREAM NODE ELEVATION = 1264.00 FLOWLENGTH(FEET) = 1300.00 MANNINGS N = .013 „r„ ESTIMATED PIPE DIAMETER(INCH) = 69.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 474.49 +.. TRAVEL TIME(MIN.) = .95 TC(MIN.) = 28.74 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 1002.00 TO NODE 109.30 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.783 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 43.22 EFFECTIVE AREA(ACRES) = 428.35 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 471.96 err PEAK FLOW RATE(CFS) = 474.49 TC(MIN) = 28.74 WO **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 109.30 TO NODE 109.40 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< 40 DEPTH OF FLOW IN 72.0 INCH PIPE IS 58.7 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 19.2 UPSTREAM NODE ELEVATION = 1264.00 DOWNSTREAM NODE ELEVATION = 1244.00 e "' FLOWLENGTH(FEET) = 1500.00 MANNINGS N = .013 e.. 16 ww ESTIMATED PIPE DIAMETER(INCH) = 72.00 NUMBER OF PIPES = 1 ,,. PIPEFLOW THRU SUBAREA(CFS) = 474.49 TRAVEL TIME(MIN.) = 1.30 TC(MIN.) = 30.04 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 1003.00 TO NODE 109.40 IS CODE = 8 "• » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.736 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 41.54 EFFECTIVE AREA(ACRES) = 468.35 AVERAGED Fm(INCH /HR) = .582 o „ r , TOTAL AREA(ACRES) = 511.96 PEAK FLOW RATE(CFS) = 486.39 .�. TC(MIN) = 30.04 arw **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 109.40 TO NODE 109.40 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) = 30.04 RAINFALL INTENSITY (INCH. /HOUR) = 1.74 "" EFFECTIVE STREAM AREA(ACRES) = 468.35 TOTAL STREAM AREA(ACRES) = 511.96 PEAK FLOW RATE(CFS) AT CONFLUENCE = 486.39 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN/HR) AREA(ACRES) , 1 486.39 30.04 1.736 .58 468.35 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 1 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 486.39 468.35 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 486.39 TIME(MINUTES) = 30.037 EFFECTIVE AREA(ACRES) = 468.35 TOTAL AREA(ACRES) = 511.96 _ '** END OF STUDY SUMMARY: TOTAL AREA(ACRES) = 511.96 EFFECTIVE AREA(ACRES) = 468.35 �"" 17 PEAK FLOW RATE(CFS) = 486.39 END OF RATIONAL METHOD ANALYSIS mos ar 18 +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 # 200908 Especially prepared for: HALL & FOREMAN * * * * * * * * * * * * * * * * * * * * * * * * ** DESCRIPTION OF STUDY * * * * * * * * * * * * * * * * * * * * * * * * ** " N.FONTANA MASTER S.D PLAN,W.FONTANA CHANNEL LATERAL 2,ALONG CYPRESS rir* Q 25 YR, NOT FOR DESIGN * VENKI.N, JN 3547, 5/12/89 ******************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** rrr FILE NAME: WFONLAT2.025 TIME /DATE OF STUDY: 11:32 5/12/1989 de USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: -- *TIME -OF- CONCENTRATION MODEL*- - USER SPECIFIED STORM EVENT(YEAR) = 25.00 m 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) = .970 100 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.470 +I COMPUTED RAINFALL INTENSITY DATA: :TORN EVENT = 25.00 1 —HOUR INTENSITY(INCH /HOUR) = 1.1461 '""'SLOPE OF INTENSITY DURATION CURVE = .6000 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** i"' FLOW PROCESS FROM NODE 100.00 TO NODE 100.01 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 = 1416.00 DOWNSTREAM ELEVATION = 1395.00 ELEVATION DIFFERENCE = 21.00 TC = .412 *[( 1000.00 ** 3.00)/( 21.00)] ** .20 = 14.140 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.728 SOIL CLASSIFICATION IS "A" RESIDENTIAL —> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 OUR SUBAREA RUNOFF(CFS) = 14.10 TOTAL AREA(ACRES) = 7.30 PEAK FLOW RATE(CFS) = 14.10 -****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** err .: PROCESS FROM NODE 100.01 TO NODE 101.01 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL— CHANNEL FLOW««< �r » » >TRAVELTIME THRU SUBAREA« « < rr . um , UPSTREAM NODE ELEVATION = 1395.00 DOWNSTREAM NODE ELEVATION = 1385.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1000.00 :HANNEL BASE(FEET) = 3.00 "Z" FACTOR = 2.000 ▪ MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 2.00 sr CHANNEL FLOW THRU SUBAREA(CFS) = 14.10 FLOW VELOCITY(FEET /SEC) = 3.48 FLOW DEPTH(FEET) = .86 "` TRAVEL TIME(MIN.) = 4.79 TC(MIN.) = 18.93 rr t******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 101.00 TO NODE 101.01 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< r 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.290 SOIL CLASSIFICATION IS "A" - RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA AREA(ACRES) = 7.30 SUBAREA RUNOFF(CFS) = 11.22 EFFECTIVE AREA(ACRES) = 14.60 , AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 14.60 im PEAK FLOW RATE(CFS) = 22.44 TC(MIN) = 18.93 wr ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** .. FLOW PROCESS FROM NODE 101.10 TO NODE 101.10 IS CODE = 5 » »COMPUTE TRAPEZOIDAL- CHANNEL FLOW«« < » » >TRAVELTIME THRU SUBAREA« «< .r UPSTREAM NODE ELEVATION = 1385.00 DOWNSTREAM NODE ELEVATION = 1363.60 "'" CHANNEL LENGTH THRU SUBAREA(FEET) = 700.00 ..r CHANNEL BASE(FEET) = 3.00 "Z" FACTOR = 2.000 MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 2.00 CHANNEL FLOW THRU SUBAREA(CFS) = 22.44 FLOW VELOCITY(FEET /SEC) = 5.82 FLOW DEPTH(FEET) = .83 Ili TRAVEL TIME(MIN.) = 2.00 TC(MIN.) = 20.94 • ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 100.10 TO NODE 101.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.156 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA AREA(ACRES) = 5.40 SUBAREA RUNOFF(CFS) = 7.65 q EFFECTIVE AREA(ACRES) = 20.00 aw AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 20.00 ▪ WEAK FLOW RATE(CFS) = 28.32 fC(MIN) = 20.94 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 101.10 TO NODE 102.10 IS CODE = 6 » »COMPUTE STREETFLOW TRAVELTIME THRU SUBREA««< 'PSTREAM ELEVATION = 1363.60 DOWNSTREAM ELEVATION = 1363.20 STREET LENGTH(FEET) = 300.00 CURB HEIGTH(INCHES) = 8. r STREET HALFWIDTH(FEET) = 20.00 " DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 12.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 28.32 ** *STREET FLOWING FULL * ** Yrr STREETFLOW MODEL RESULTS: NOTE: STREETFLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREETFLOW RESULTS ARE BASED ON THE ASSUMPTION r THAT NEGLIBLE FLOW OCCURS OUTSIDE OF THE STREET CHANNEL. THAT IS, ALL FLOW ALONG THE PARKWAY, ETC., IS NEGLECTED. STREET FLOWDEPTH(FEET) = .82 HALFSTREET FLOODWIDTH(FEET) = 20.00 AVERAGE FLOW VELOCITY(FEET /SEC.) = 1.83 PRODUCT OF DEPTH &VELOCITY = 1.51 STREETFLOW TRAVELTIME(MIN) = 2.73 TC(MIN) = 23.66 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.003 ,w SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 or ;UBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 sow EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH/HR) = .582 r TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 28.32 END OF SUBAREA STREETFLOW HYDRAULICS: " DEPTH(FEET) = .82 HALFSTREET FLOODWIDTH(FEET) = 20.00 FLOW VELOCITY(FEET /SEC.) = 1.83 DEPTH *VELOCITY = 1.51 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** " FLOW PROCESS FROM NODE 102.00 TO NODE 102.10 IS CODE = 8 » » »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« « < 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.003 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) = 25.58 EFFECTIVE AREA(ACRES) = 40.00 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 40.00 PEAK FLOW RATE(CFS) = 51.15 TC(MIN) = 23.66 ****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** r'LOW PROCESS FROM NODE 102.10 TO NODE 103.10 IS CODE = 3 "rr » » »COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA«« < » » »USING COMPUTER- ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< qm err ,,,,, DEPTH OF FLOW IN 63.0 INCH PIPE IS 49.7 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 2.8 ` 4 " UPSTREAM NODE ELEVATION = 1363.20 ) OWNSTREAM NODE ELEVATION = 1362.00 as FLOWLENGTH(FEET) = 670.00 MANNINGS N = .030 m ESTIMATED PIPE DIAMETER(INCH) = 63.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 51.15 *■ TRAVEL TIME(MIN.) = 4.00 TC(MIN.) = 27.67 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 103.00 TO NODE 103.10 IS CODE = 8 ML » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< err 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.824 SOIL CLASSIFICATION IS "A" �,. RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 44.70 EFFECTIVE AREA(ACRES) = 80.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 80.00 * PEAK FLOW RATE(CFS) = 89.40 tEz cFS TC(MIN) = 27.67 Qr6..0 13i Q'°" _a r? rr n . r.. o O Pro- ve,fe Avg : 25.5 Ac �T ioo = 26 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ,,,,, FLOW PROCESS FROM NODE 103.10 TO NODE 104.22 IS CODE = 3 .» »COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) «« < m DEPTH OF FLOW IN 51.0 INCH PIPE IS 36.4 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 8.2 *" UPSTREAM NODE ELEVATION = 1362.00 DOWNSTREAM NODE ELEVATION = 1359.00 FLOWLENGTH(FEET) = 750.00 MANNINGS N = .013 01111 ESTIMATED PIPE DIAMETER(INCH) = 51.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 89.40 r"' TRAVEL TIME(MIN.) = 1.52 TC(MIN.) = 29.18 w. w e ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 104.21 TO NODE 104.22 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< �w 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.766 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 42.63 A " EFFECTIVE AREA(ACRES) = 120.00 AVERAGED Fm(INCH/HR) = .582 al TOTAL AREA(ACRES) = 120.00 • 'EAK FLOW RATE(CFS) = 127.90 fC(MIN) = 29.18 err '".'********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ros or FLOW PROCESS FROM NODE 104.22 TO NODE 104.10 IS CODE = 3 wr » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) «« < �w DEPTH OF FLOW IN 54.0 INCH PIPE IS 41.8 INCHES us PIPEFLOW VELOCITY(FEET /SEC.) = 9.7 UPSTREAM NODE ELEVATION = 1359.00 ■* DOWNSTREAM NODE ELEVATION = 1356.00 FLOWLENGTH(FEET) = 600.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 54.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 127.90 TRAVEL TIME(MIN.) = 1.03 TC(MIN.) = 30.21 "°********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ow FLOW PROCESS FROM NODE 104.31 TO NODE 104.10 IS CODE = 8 *• » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< wr 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.730 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 * SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 41.32 EFFECTIVE AREA(ACRES) = 160.00 """ AVERAGED Fm(INCH /HR) = .582 mg TOTAL AREA(ACRES) = 160.00 PEAK FLOW RATE(CFS) = 165.29 • TC(MIN) = 30.21 ********************************************** . * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 104.10 TO NODE 109.23 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA«« < » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 48.0 INCH PIPE IS 36.1 INCHES • PIPEFLOW VELOCITY(FEET /SEC.) = 16.3 UPSTREAM NODE ELEVATION = 1356.00 * DOWNSTREAM NODE ELEVATION = 1311.00 wo FLOWLENGTH(FEET) = 2700.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 48.00 NUMBER OF PIPES = 1 wr PIPEFLOW THRU SUBAREA(CFS) = 165.29 TRAVEL TIME(MIN.) = 2.76 TC(MIN.) = 32.97 ow rr ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** .r FLOW PROCESS FROM NODE 109.23 TO NODE 109.23 IS CODE = 1 ▪ » »>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE« «< " CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: ,o TIME OF CONCENTRATION(MINUTES) = 32.97 RAINFALL INTENSITY (INCH. /HOUR) = 1.64 .". ;FFECTIVE STREAM AREA(ACRES) = 160.00 TOTAL STREAM AREA(ACRES) = 160.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 165.29 wimp w ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** - FLOW PROCESS FROM NODE 109.00 TO NODE 109.01 IS CODE = 2 • » » >RATIONAL METHOD INITIAL SUBAREA ANALYSIS« «< no DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 3 -4 DWELLINGS /ACRE TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 ""' INITIAL SUBAREA FLOW - LENGTH = 1000.00 W, UPSTREAM ELEVATION = 1362.00 DOWNSTREAM ELEVATION = 1345.00 OM ELEVATION DIFFERENCE = 17.00 TC = .412 *[( 1000.00 ** 3.00)/( 17.00)] ** .20 = 14.751 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.660 was SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 ow SUBAREA RUNOFF(CFS) = 8.60 TOTAL AREA(ACRES) = 4.60 PEAK FLOW RATE(CFS) = 8.60 moo ow ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** .,,. FLOW PROCESS FROM NODE 109.01 TO NODE 109.11 IS CODE = 5 • » »> COMPUTE TRAPEZOIDAL- CHANNEL FLOW««< » » >TRAVELTIME THRU SUBAREA ««< err UPSTREAM NODE ELEVATION = 1345.00 DOWNSTREAM NODE ELEVATION = 1326.00 on. CHANNEL LENGTH THRU SUBAREA(FEET) = 1000.00 CHANNEL BASE(FEET) = 3.00 "Z" FACTOR = 2.000 IANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 2.00 40 CHANNEL FLOW THRU SUBAREA(CFS) = 8.60 FLOW VELOCITY(FEET /SEC) = 3.84 FLOW DEPTH(FEET) = .55 or TRAVEL TIME(MIN.) = 4.34 TC(MIN.) = 19.09 00 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 109.10 TO NODE 109.11 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« « < o w 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.279 SOIL CLASSIFICATION IS "A" wo RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 4.60 SUBAREA RUNOFF(CFS) = 7.02 *" EFFECTIVE AREA(ACRES) = 9.20 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 9.20 ,,., PEAK FLOW RATE(CFS) = 14.05 TC(MIN) = 19.09 Mi ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ow FLOW PROCESS FROM NODE 109.11 TO NODE 109.02 IS CODE = 5 tom •» »COMPUTE TRAPEZOIDAL - CHANNEL FLOW« « < » » >TRAVELTIME THRU SUBAREA« «< UPSTREAM NODE ELEVATION = 1326.00 DOWNSTREAM NODE ELEVATION = 1314.30 wr CHANNEL LENGTH THRU.SUBAREA(FEET) = 650.00 ▪ CHANNEL BASE(FEET) = 3.00 "Z" FACTOR = 2.000 MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 2.00 a ' CHANNEL FLOW THRU SUBAREA(CFS) = 14.05 'LOW VELOCITY(FEET /SEC) = 4.28 FLOW DEPTH(FEET) = .73 TRAVEL TIME(MIN.) = 2.53 TC(MIN.) = 21.62 ON m********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 109.20 TO NODE 109.02 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.115 SOIL CLASSIFICATION IS "A" • RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 ft SUBAREA AREA(ACRES) = 3.00 SUBAREA RUNOFF(CFS) = 4.14 EFFECTIVE AREA(ACRES) = 12.20 Am AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 12.20 as PEAK FLOW RATE(CFS) = 16.83 • TC(MIN) = 21.62 ON ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** "" FLOW PROCESS FROM NODE 109.02 TO NODE 109.12 IS CODE = 6 » » >COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< UPSTREAM ELEVATION = 1314.30 DOWNSTREAM ELEVATION = 1313.50 ;TREET LENGTH(FEET) = 200.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 32.00 .w DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 24.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 *°4 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 16.83 STREETFLOW MODEL RESULTS: STREET FLOWDEPTH(FEET) = .63 10 HALFSTREET FLOODWIDTH(FEET) = 17.37 wrw AVERAGE FLOW VELOCITY(FEET /SEC.) = 2.21 PRODUCT OF DEPTH &VELOCITY = 1.38 on STREETFLOW TRAVELTIME(MIN) = 1.51 TC(MIN) = 23.13 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.031 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 +++ SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 EFFECTIVE AREA(ACRES) = 12.20 '"' AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 12.20 PEAK FLOW RATE(CFS) = 16.83 END OF SUBAREA STREETFLOW HYDRAULICS: .. )EPTH(FEET) = .63 HALFSTREET FLOODWIDTH(FEET) = 17.37 FLOW VELOCITY(FEET /SEC.) = 2.21 DEPTH *VELOCITY = 1.38 er ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** rs. u FLOW PROCESS FROM NODE 109.30 TO NODE 109.12 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.031 SOIL CLASSIFICATION IS "A" es RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 13.04 s EFFECTIVE AREA(ACRES) = 22.20 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 22.20 PEAK FLOW RATE(CFS) = 28.94 TC(MIN) = 23.13 ""'********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ■r FLOW PROCESS FROM NODE 109.12 TO NODE 109.22 IS CODE = 6 » » >COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< UPSTREAM ELEVATION = 1313.50 DOWNSTREAM ELEVATION = 1311.00 STREET LENGTH(FEET) = 350.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 32.00 wrr DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 24.00 - INTERIOR STREET CROSSFALL(DECIMAL) = .020 an OUTSIDE STREET CROSSFALL(DECIMAL) = .040 ,,. SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 air * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 28.94 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. air STREET FLOWDEPTH(FEET) = .67 HALFSTREET FLOODWIDTH(FEET) = 19.62 AVERAGE FLOW VELOCITY(FEET /SEC.) = 3.12 PRODUCT OF DEPTH &VELOCITY = 2.09 ' STREETFLOW TRAVELTIME(MIN) = 1.87 TC(MIN) = 25.00 um 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.938 mu SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 - SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) _ .00 EFFECTIVE AREA(ACRES) = 22.20 AVERAGED Fm(INCH /HR) = .582 in TOTAL AREA(ACRES) = 22.20 PEAK FLOW RATE(CFS) = 28.94 END OF SUBAREA STREETFLOW HYDRAULICS: • DEPTH(FEET) = .67 HALFSTREET FLOODWIDTH(FEET) = 19.62 FLOW VELOCITY(FEET /SEC.) = 3.12 DEPTH *VELOCITY = 2.09 um ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** WI 'LOW PROCESS FROM NODE 109.21 TO NODE 109.22 IS CODE = 8 • » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.938 r • SOIL CLASSIFICATION IS "A" - RESIDENTIAL-> 3-4 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 24.41 EFFECTIVE AREA(ACRES) = 42.20 .VERAGED Fm(INCH/HR) = .582 - TOTAL AREA(ACRES) = 42.20 PEAK FLOW RATE(CFS) = 51.50 TC(MIN) = 25.00 **************************************************************************** - FLOW PROCESS FROM NODE 109.22 TO NODE 109.23 IS CODE = 3 >»»COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA«<« >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)««< DEPTH OF FLOW IN 42.0 INCH PIPE IS 31.4 INCHES PIPEFLOW VELOCITY(FEET/SEC.) = 6.7 UPSTREAM NODE ELEVATION = 1311.00 DOWNSTREAM NODE ELEVATION = 1309.00 FLOWLENGTH(FEET) = 600.00 MANNINGS N = .013 ' ESTIMATED PIPE DIAMETER(INCH) = 42.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 51.50 TRAVEL TIME(MIN.) = 1.50 TC(MIN.) = 26.50 **************************************************************************** FLOW PROCESS FROM NODE 109.31 TO NODE 109.23 IS CODE = 8 >»»ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 25 YEAR RAINFALL INTENSITY(INCH/HOUR) = 1.871 - SOIL CLASSIFICATION IS "A" RESIDENTIAL-> 3-4 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA AREA(ACRES) = , 40.00 SUBAREA RUNOFF(CFS) = 46.42 - EFFECTIVE AREA(ACRES) = 82.20 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 82.20 - PEAK FLOW RATE(CFS) = 95.40 TC(MIN) = 26.50 **************************************************************************** FLOW PROCESS FROM NODE 109.23 TO NODE 109.23 IS CODE = 1 >»»DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE<<<<< >»»AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<«« CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 26.50 RAINFALL INTENSITY (INCH./HOUR) = 1.87 EFFECTIVE STREAM AREA(ACRES) = 82.20 TOTAL STREAM AREA(ACRES) = 82.20 PEAK FLOW RATE(CFS) AT CONFLUENCE = 95.40 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) 1 165.29 32.97 1.641 .58 160.00 rrr 2 95.40 26.50 1.871 .58 82.20 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO IP CONFLUENCE FORMULA USED FOR 2 STREAMS. ;UMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE m NUMBER Q(CFS) AREA(ACRES) "'" 1 243.66 242.20 2 257.07 210.78 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 257.07 TIME(MINUTES) = 26.498 EFFECTIVE AREA(ACRES) = 210.78 TOTAL AREA(ACRES) = 242.20 MO ae**************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** mg- FLOW PROCESS FROM NODE 109.23 TO NODE 109.24 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA ««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) «« < Ing DEPTH OF FLOW IN 57.0 INCH PIPE IS 45.7 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 16.9 UPSTREAM NODE ELEVATION = 1309.00 "" DOWNSTREAM NODE ELEVATION = 1290.00 s , FLOWLENGTH(FEET) = 1350.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 57.00 NUMBER OF PIPES = 1 ea PIPEFLOW THRU SUBAREA(CFS) = 257.07 TRAVEL TIME(MIN.) = 1.33 TC(MIN.) = 27.83 "".'********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ow FLOW PROCESS FROM NODE 1001.00 TO NODE 109.24 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< gag 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.817 „■, SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 ' SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CS) = 44.47 EFFECTIVE AREA(ACRES) = 250.78 AVERAGED Fm(INCH /HR) = .582 G2,00 = war TOTAL AREA(ACRES) = 282.20 �,00_ 20.52 PEAK FLOW RATE(CFS) = 278.80 P,0 /2 f TC(MIN) = 27.83 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 109.24 TO NODE 109.30 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< m » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « « < DEPTH OF FLOW IN 57.0 INCH PIPE IS 41.9 INCHES 'IPEFLOW VELOCITY(FEET /SEC.) = 20.0 UPSTREAM NODE ELEVATION = 1290.00 DOWNSTREAM NODE ELEVATION = 1264.00 NM FLOWLENGTH(FEET) = 1300.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 57.00 NUMBER OF PIPES = 1 "Y r "r. PIPEFLOW THRU SUBAREA(CFS) = 278.80 ,,.,, TRAVEL TIME(MIN.) = 1.09 TC(MIN.) = 28.92 •****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** Mb FLOW PROCESS FROM NODE 1002.00 TO NODE 109.30 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW «« < 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.776 SOIL CLASSIFICATION IS "A" ,. RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 42.98 "' EFFECTIVE AREA(ACRES) = 290.78 AVERAGED Fm(INCH/HR) = .582 "M TOTAL AREA(ACRES) = 322.20 "i PEAK FLOW RATE(CFS) = 312.48 TC(MIN) = 28.92 "********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 109.30 TO NODE 109.40 IS CODE = 3 n' » »> COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA«« < » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< do DEPTH OF FLOW IN 63.0 INCH PIPE IS 48.4 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 17.5 ,.. UPSTREAM NODE ELEVATION = 1264.00 DOWNSTREAM NODE ELEVATION = 1244.00 'LOWLENGTH(FEET) = 1500.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 63.00 NUMBER OF PIPES = 1 ora PIPEFLOW THRU SUBAREA(CFS) = 312.48 wo TRAVEL TIME(MIN.) = 1.43 TC(MIN.) = 30.34 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** w. FLOW PROCESS FROM NODE 1003.00 TO NODE 109.40 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< rag 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.725 bia SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 41.16 m EFFECTIVE AREA(ACRES) = 330.78 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 362.20 PEAK FLOW RATE(CFS) = 340.40 TC(MIN) = 30.34 rap .********************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 109.40 TO NODE 109.40 IS CODE = 1 �.. •» »DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE ««< >» »AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES « « < "r► CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 30.34 RAINFALL INTENSITY (INCH. /HOUR) = 1.73 m EFFECTIVE STREAM AREA(ACRES) = 330.78 TOTAL STREAM AREA(ACRES) = 362.20 PEAK FLOW RATE(CFS) AT CONFLUENCE = 340.40 CONFLUENCE INFORMATION: mi STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) r 1 340.40 30.34 1.725 .58 330.78 m RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 1 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 340.40 330.78 "!" COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 340.40 TIME(MINUTES) = 30.341 EFFECTIVE AREA(ACRES) = 330.78 „�.. TOTAL AREA(ACRES) = 362.20 rn END OF STUDY SUMMARY: TOTAL AREA(ACRES) = 362.20 EFFECTIVE AREA(ACRES) = 330.78 ■r PEAK FLOW RATE(CFS) = 340.40 Mill END OF RATIONAL METHOD ANALYSIS rr rrr • urr arr ot ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ot RATIONAL METHOD HYDROLOGY COMPUTtR PROGRAM PACKAGE (Reference: 1986 SAN BERNARDINO CO. HYDROLOGY CRITERION) Copyright 1983,86,87 Advanced Engineering Software (aes) to Ver. 4.1C Release Date: 5/11/87 Serial # I00908 to Especially prepared for: to to HALL & FOREMAN * * * * * * * * * * * * * * * * * * * * * * * * ** DESCRIPTION OF STUDY * * * * * * * * * * * * * * * * * * * * * * * * ** ,,.,* N.FONTANA MASTER S.D PLAN,W.FONTANA CHANNEL LATERAL 2,ALONG CYPRESS * Q 100 YR, NOT DESIGN Q * VENKI.N, JN 3547, 5/12/89 * ******************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** to FILE NAME: WFONLAT2.100 TIME /DATE OF STUDY: 11:22 5/12/1989 to USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: -- *TIME -OF- CONCENTRATION MODEL*-- 010 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) = .970 m 100 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.470 COMPUTED RAINFALL INTENSITY DATA: - TOR EVENT = 100.00 1 -HOUR INTENSITY(INCH /HOUR) = 1.4700 SLOPE OF INTENSITY DURATION CURVE = .6000 *..********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 100.00 TO NODE 100.01 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 rr INITIAL SUBAREA FLOW - LENGTH = 1000.00 UPSTREAM ELEVATION = 1416.00 to DOWNSTREAM ELEVATION = 1395.00 ELEVATION DIFFERENCE = 21.00 TC = .412 *[( 1000.00 ** 3.00)/( 21.00)] ** .20 = 14.140 ® 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.499 SOIL CLASSIFICATION IS "A" • RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA RUNOFF(CFS) = 19.16 "' TOTAL AREA(ACRES) = 7.30 PEAK FLOW RATE(CFS) = 19.16 to ****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** MN LLOW PROCESS FROM NODE 100.01 TO NODE 101.01 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL- CHANNEL FLOW« «< MN » » >TRAVELTIME THRU SUBAREA « «< e rrr .. UPSTREAM NODE ELEVATION = 1395.00 DOWNSTREAM NODE ELEVATION = 1385.00 ' . CHANNEL LENGTH THRU SUBAREA(FEET) = 1000.00 'HANNEL BASE(FEET) = 3.00 "Z" FACTOR = 2.000 • MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 2.00 mr CHANNEL FLOW THRU SUBAREA(CFS) = 19.16 FLOW VELOCITY(FEET /SEC) = 3.75 FLOW DEPTH(FEET) = 1.02 m TRAVEL TIME(MIN.) = 4.44 TC(MIN.) = 18.58 wr ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 101.00 TO NODE 101.01 IS CODE = 8 »» >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< • 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.970 SOIL CLASSIFICATION IS "A" w• RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA AREA(ACRES) = 7.30 SUBAREA RUNOFF(CFS) = 15.69 • EFFECTIVE AREA(ACRES) = 14.60 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 14.60 """ PEAK FLOW RATE(CFS) = 31.38 TC(MIN) = 18.58 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** *. FLOW PROCESS FROM NODE 101.10 TO NODE 101.10 IS CODE = 5 , • >» »COMPUTE TRAPEZOIDAL- CHANNEL FLOW««< » » >TRAVELTIME THRU SUBAREA « «< law UPSTREAM NODE ELEVATION = 1385.00 DOWNSTREAM NODE ELEVATION = 1363.60 *" CHANNEL LENGTH THRU SUBAREA(FEET) = 700.00 ion CHANNEL BASE(FEET) = 3.00 "Z" FACTOR = 2.000 MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 2.00 ,,, CHANNEL FLOW THRU SUBAREA(CFS) = 31.38 FLOW VELOCITY(FEET /SEC) = 6.41 FLOW DEPTH(FEET) = .98 TRAVEL TIME(MIN.) = 1.82 TC(MIN.) = 20.40 *.0 _********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 100.10 TO NODE 101.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.808 SOIL CLASSIFICATION IS "A" s' RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA AREA(ACRES) = 5.40 SUBAREA RUNOFF(CFS) = 10.82 "" EFFECTIVE AREA(ACRES) = 20.00 so AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 20.00 ,. 'EAK FLOW RATE(CFS) = 40.07 £C(MIN) = 20.40 MO ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** RUM FLOW PROCESS FROM NODE 101.10 TO NODE 102.10 IS CODE = 6 wo » » >COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA« TPSTREAM ELEVATION = 1363.60 DOWNSTREAM ELEVATION = 1363.20 STREET LENGTH(FEET) = 300.00 CURB HEIGTH(INCHES) = 8. " STREET HALFWIDTH(FEET) = 20.00 wo DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 12.00 o" INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 as * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 40.07 ** *STREET FLOWING FULL * ** 11° 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) = .90 HALFSTREET FLOODWIDTH(FEET) = 20.00 ow AVERAGE FLOW VELOCITY(FEET /SEC.) = 2.16 PRODUCT OF DEPTH &VELOCITY = 1.95 STREETFLOW TRAVELTIME(MIN) = 2.32 TC(MIN) = 22.72 ow 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.633 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 an EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH/HR) = .582 all TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 40.07 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .90 HALFSTREET FLOODWIDTH(FEET) = 20.00 .r FLOW VELOCITY(FEET /SEC.) = 2.16 DEPTH *VELOCITY = 1.95 r ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 102.00 TO NODE 102.10 IS CODE = 8 ow » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< mg 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.633 "" SOIL CLASSIFICATION IS "A" w RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 36.91 o. EFFECTIVE AREA(ACRES) = 40.00 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 40.00 PEAK FLOW RATE(CFS) = 73.82 TC(MIN) = 22.72 m -****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 102.10 TO NODE 103.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< » » > USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< mo .rr - • DEPTH OF FLOW IN 72.0 INCH PIPE IS 57.5 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 3.1 UPSTREAM NODE ELEVATION = 1363.20 ) OWNSTREAM NODE ELEVATION = 1362.00 FLOWLENGTH(FEET) = 670.00 MANNINGS N = .030 w ESTIMATED PIPE DIAMETER(INCH) = 72.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 73.82 ▪ TRAVEL TIME(MIN.) = 3.66 TC(MIN.) = 26.38 +rr m********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 103.00 TO NODE 103.10 IS CODE = 8 »» >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 00 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.407 SOIL CLASSIFICATION IS "A" • RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 ▪ SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 65.69 EFFECTIVE AREA(ACRES) = 80.00 mi AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 80.00 PEAK FLOW RATE(CFS) = 131.39 Q��-c = /- 64-3 TC(MIN) = 26.38 ina WO ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** "'"' FLOW PROCESS FROM NODE 103.10 TO NODE 104.22 IS CCDE = 3 >» »COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< • » »>USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< "" DEPTH OF FLOW IN 57.0 INCH PIPE IS 43.8 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 9.0 • UPSTREAM NODE ELEVATION = 1362.00 so DOWNSTREAM NODE ELEVATION = 1359.00 FLOWLENGTH(FEET) = 750.00 MANNINGS N = .013 N. ESTIMATED PIPE DIAMETER(INCH) = 57.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 131.39 • TRAVEL TIME(MIN.) = 1.39 TC(MIN.) = 27.77 ✓ r********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 104.21 TO NODE 104.22 IS CODE = 8 • » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< ... 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.334 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 63.06 ▪ EFFECTIVE AREA(ACRES) = 120.00 dB AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 120.00 • 'EAK FLOW RATE(CFS) = 189.19 £C(MIN) = 27.77 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** rr. FLOW PROCESS FROM NODE 104.22 TO NODE 104.10 IS CODE = 3 ow » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »» >USING COMPUTER ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< DEPTH OF FLOW IN 63.0 INCH PIPE IS 47.9 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 10.7 UPSTREAM NODE ELEVATION = 1359.00 "' DOWNSTREAM NODE ELEVATION = 1356.00 FLOWLENGTH(FEET) = 600.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 63.00 NUMBER OF PIPES = 1 e.A PIPEFLOW THRU SUBAREA(CFS) = 189.19 TRAVEL TIME(MIN.) = .93 TC(MIN.) = 28,70 ********•************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** is FLOW PROCESS FROM NODE 104.31 TO NODE 104.10 IS CODE = 8 m » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< ow 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.288 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) _ .5820 ' SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 61.41 EFFECTIVE AREA(ACRES) = 160.00 AVERAGED Fm(INCH/HR) = ,582 ow TOTAL AREA(ACRES) = 160.00 PEAK FLOW RATE(CFS) = 245.66 m TC(MIN) = 28.70 arr mat ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 104.10 TO NODE 109.23 IS CODE = 3 err » » >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.) = 17.7 UPSTREAM NODE ELEVATION = 1356.00 DOWNSTREAM NODE ELEVATION = 1311.00 a�. FLOWLENGTH(FEET) = 2700.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 54.00 NUMBER OF PIPES = 1 NW PIPEFLOW THRU SUBAREA(CFS) = 245.66 TRAVEL TIME(MIN.) = 2.54 TC(MIN.) = 31.24 err ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** a, FLOW PROCESS FROM NODE 109.23 TO NODE 109.23 IS CODE = 1 » »>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: rrr TIME OF CONCENTRATION(MINUTES) = 31.24 RAINFALL INTENSITY (INCH. /HOUR) = 2.17 ;FFECTIVE STREAM AREA(ACRES) = 160.00 TOTAL STREAM AREA(ACRES) = 160.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 245.66 w. irr ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** No FLOW PROCESS FROM NODE 109.00 TO NODE 109.01 IS CODE = 2 sr » »>RATIONAL METHOD INITIAL SUBAREA ANALYSIS« «< DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 3 -4 DWELLINGS /ACRE rw TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 '" INITIAL SUBAREA FLOW- LENGTH = 1000.00 es UPSTREAM ELEVATION = 1362.00 DOWNSTREAM ELEVATION = 1345.00 ON ELEVATION DIFFERENCE = 17.00 TC = .412 *[( 1000.00 ** 3.00)/( 17.00))** .20 = 14.751 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.411 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 "o SUBAREA RUNOFF(CFS) = 11.71 TOTAL AREA(ACRES) = 4.60 PEAK FLOW RATE(CFS) = 11.71 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** .,", FLOW PROCESS FROM NODE 109.01 TO NODE 109.11 IS CODE = 5 » »> COMPUTE TRAPEZOIDAL- CHANNEL FLOW««< » »>TRAVELTIME THRU SUBAREA« « < orn +rr UPSTREAM NODE ELEVATION = 1345.00 DOWNSTREAM NODE ELEVATION = 1326.00 {"° CHANNEL LENGTH THRU SUBAREA(FEET) = 1000.00 CHANNEL BASE(FEET) = 3.00 "Z" FACTOR = 2.000 4ANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 2.00 CHANNEL FLOW THRU SUBAREA(CFS) = 11.71 FLOW VELOCITY(FEET /SEC) = 4.27 FLOW DEPTH(FEET) = .64 """" TRAVEL TIME(MIN.) = 3.90 TC(MIN.) = 18.65 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 109.10 TO NODE 109.11 IS CODE = 8 »» >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< ENO 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.963 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA AREA(ACRES) = 4.60 SUBAREA RUNOFF(CFS) = 9.86 4 " EFFECTIVE AREA(ACRES) = 9.20 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 9.20 es PEAK FLOW RATE(CFS) = 19.72 TC(MIN) = 18.65 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** MI FLOW PROCESS FROM NODE 109.11 TO NODE 109.02 IS CODE = 5 •» »COMPUTE TRAPEZOIDAL- CHANNEL FLOW ««< » » >TRAVELTIME THRU SUBAREA« «< ,,,,, UPSTREAM NODE ELEVATION = 1326.00 DOWNSTREAM NODE ELEVATION = 1314.30 400 ay CHANNEL LENGTH THRU SUBAREA(FEET) = 650.00 w e CHANNEL BASE(FEET) = 3.00 "Z" FACTOR = 2.000 MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEEt) = 2.00 CHANNEL FLOW THRU SUBAREA(CFS) = 19.72 'LOW VELOCITY(FEET /SEC) = 4.63 FLOW DEPTH(FEET) = .89 TRAVEL TIME(MIN.) = 2.34 TC(MIN.) = 20.99 wr m********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 109.20 TO NODE 109.02 IS CODE = 8 • » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< °r ' 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.760 SOIL CLASSIFICATION IS "A" ern RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 rw SUBAREA AREA(ACRES) = 3.00 SUBAREA RUNOFF(CFS) = 5.88 EFFECTIVE AREA(ACRES) = 12.20 *"+ AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 12.20 PEAK FLOW RATE(CFS) = 23.92 • TC(MIN) = 20.99 we ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** " FLOW PROCESS FROM NODE 109.02 TO NODE 109.12 IS CODE = 6 » » >COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA ««< UPSTREAM ELEVATION = 1314.30 DOWNSTREAM ELEVATION = 1313.50 JTREET LENGTH(FEET) = 200.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 32.00 we DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 24.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 1114 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 em SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 23.92 1111 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) = .69 HALFSTREET FLOODWIDTH(FEET) = 20.37 AVERAGE FLOW VELOCITY(FEET /SEC.) = 2.42 PRODUCT OF DEPTH &VELOCITY = 1.66 STREETFLOW TRAVELTIME(MIN) = 1.38 TC(MIN) = 22.37 ✓ w 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.657 " 1111 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 we 'FFECTIVE AREA(ACRES) = 12.20 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 12.20 PEAK FLOW RATE(CFS) = 23.92 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .69 HALFSTREET FLOODWIDTH(FEET) = 20.37 we FLOW VELOCITY(FEET /SEC.) = 2.42 DEPTH *VELOCITY = 1.66 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 'LOW PROCESS FROM NODE 109.30 TO NODE 109.12 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< '" 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.657 m 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) = 22.20 ' AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 22.20 PEAK FLOW RATE(CFS) = 41.46 TC(MIN) = 22.37 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ■r FLOW PROCESS FROM NODE 109.12 TO NODE 109.22 IS CODE = 6 »» >COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< UPSTREAM ELEVATION = 1313.50 DOWNSTREAM ELEVATION = 1311.00 STREET LENGTH(FEET) = 350.00 CURB HEIGTH(INCHES) = 8. wr STREET HALFWIDTH(FEET) = 32.00 •* DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 24.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 ow )UTSIDE STREET CROSSFALL(DECIMAL) = .040 MIN SPECIFIED NUMBER OF HALFSTREETS,CARRYING RUNOFF = 2 .r * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 41.46 STREETFLOW MODEL RESULTS: woo 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) = .75 HALFSTREET FLOODWIDTH(FEET) = 23.37 AVERAGE FLOW VELOCITY(FEET /SEC.) = 3.32 PRODUCT OF DEPTH &VELOCITY = 2.47 STREETFLOW TRAVELTIME(MIN) = 1.76 TC(MIN) = 24.13 100 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) = .00 SUBAREA RUNOFF(CFS) = .00 ml EFFECTIVE AREA(ACRES) = 22.20 AVERAGED Fm(INCH/HR) = .582 on TOTAL AREA(ACRES) = 22.20 PEAK FLOW RATE(CFS) = 41.46 ,o END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) _ .75 HALFSTREET FLOODWIDTH(FEET) = 23.37 ** 'LOW VELOCITY(FEET /SEC.) = 3.32 DEPTH *VELOCITY = 2.47 aw ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** *. FLOW PROCESS FROM NODE 109.21 TO NODE 109.22 IS CODE = 8 - » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.539 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 r"' SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 35.23 EFFECTIVE AREA(ACRES) = 42.20 AVERAGED Fm(INCH /HR) = .582 ,rr TOTAL AREA(ACRES) = 42.20 PEAK FLOW RATE(CFS) = 74.33 n. TC(MIN) = 24.13 w ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 109.22 TO NODE 109.23 IS CODE = 3 » > COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA ««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) «« < re DEPTH OF FLOW IN 48.0 INCH PIPE IS 36.3 INCHES w. PIPEFLOW VELOCITY(FEET /SEC.) = 7.3 UPSTREAM NODE ELEVATION = 1311.00 DOWNSTREAM NODE ELEVATION = 1309.00 FLOWLENGTH(FEET) = 600.00 MANNINGS N = .013 ▪ ESTIMATED PIPE DIAMETER(INCH) = 48.00 NUMBER OF PIPES = 1 m PIPEFLOW THRU SUBAREA(CFS) = 74.33 TRAVEL TIME(MIN.) = 1.37 TC(MIN.) = 25.50 ■r :****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 109.31 TO NODE 109.23 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< • 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.456 ,,. SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 ▪ SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 67.48 EFFECTIVE AREA(ACRES) = 82.20 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 82.20 PEAK FLOW RATE(CFS) = 138.66 m TC(MIN) = 25.50 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 109.23 TO NODE 109.23 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE« «< » » >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< • CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: mr TIME OF CONCENTRATION(MINUTES) = 25.50 RAINFALL INTENSITY (INCH. /HOUR) = 2.46 gum 'FFECTIVE STREAM AREA(ACRES) = 82.20 TOTAL STREAM AREA(ACRES) = 82.20 PEAK FLOW RATE(CFS) AT CONFLUENCE = 138.66 CONFLUENCE INFORMATION: rw . Ma STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE 00 NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /IR) AREA(ACRES) 1 245.66 31.24 2.175 .58 160.00 ,,. 2 138.66 25.50 2.456 .58 82.20 111 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. m SUMMARY RESULTS: a STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 363.48 242.20 2 374.65 212.80 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 374.65 TIME(MINUTES) = 25.500 0 EFFECTIVE AREA(ACRES) = 212.80 TOTAL AREA(ACRES) = 242.20 gr **************************.******************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** .a FLOW PROCESS FROM NODE 109.23 TO NODE 109.24 IS CODE = 3 » » > COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA ««< ga » » > USING COMPUTER- ESTIMATED PIPESIZE (NON- PRESSURE FLOW) «« < a DEPTH OF FLOW IN 66.0 INCH PIPE IS 52.1 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 18.6 gi` UPSTREAM NODE ELEVATION = 1309.00 DOWNSTREAM NODE ELEVATION = 1290.00 la gLOWLENGTH(FEET) = 1350.00 MANNINGS N = .013 „,,,,, ESTIMATED PIPE DIAMETER(INCH) = 66.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 374.65 'I" TRAVEL TIME(MIN.) = 1.21 TC(MIN.) = 26.71 rr ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 1001.00 TO NODE 109.24 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< age 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.389 SOIL CLASSIFICATION IS "A" +11 RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 65.05 "" EFFECTIVE AREA(ACRES) = 252.80 AVERAGED Fm(INCH/HR) = .582 „et, .. / - b2 cc >7M TOTAL AREA(ACRES) = 282.20 t., PEAK FLOW RATE(CFS) = 411.13 eV TC(MIN) = 26.71 ""********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** MO FLOW PROCESS FROM NODE 109.24 TO NODE 109.30 IS CODE = 3 41 " » »COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA «« < a. > » »USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 66.0 INCH PIPE IS 48.4 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 22.0 ow rrr UPSTREAM NODE ELEVATION = 1290.00 as DOWNSTREAM NODE ELEVATION = 1264.00 FLOWLENGTH(FEET) = 1300.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 66.00 NUMBER OF PIPES = 1 m 'IPEFLOW THRU SUBAREA(CFS) = 411.13 TRAVEL TIME(MIN.) = .98 TC(MIN.) = 27.69 w. k******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** mo FLOW PROCESS FROM NODE 1002.00 TO NODE 109.30 IS CODE = 8 �* »» >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< m 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.338 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 all SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 63.21 EFFECTIVE AREA(ACRES) = 292.80 "" AVERAGED Fm(INCH /HR) = .582 m TOTAL AREA(ACRES) = 322.20 . PEAK FLOW RATE(CFS) = 462.66 * TC(MIN) = 27.69 rr ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 109.30 TO NODE 109.40 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< ' » » >USING ESTIMATED PIPESIZE (NON- PRESSURE FLOW) «« < wr )EPTH OF FLOW IN 72.0 INCH PIPE IS 57.2 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 19.2 UPSTREAM NODE ELEVATION = 1264.00 " DOWNSTREAM NODE ELEVATION = 1244.00 FLOWLENGTH(FEET) = 1500.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 72.00 NUMBER OF PIPES = 1 • PIPEFLOW THRU SUBAREA(CFS) = 462.66 TRAVEL TIME(MIN.) = 1.30 TC(MIN.) = 28.99 • ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 1003.00 TO NODE 109.40 IS CODE = 8 • » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< "" 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.274 do SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) _ .5820 - e.i SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 60.92 EFFECTIVE AREA(ACRES) = 332.80 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 362.20 PEAK FLOW RATE(CFS) = 506.83 r TC(MIN) = 28.99 trr . x****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 109.40 TO NODE 109.40 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) = 28.99 ,,, 'AINFALL INTENSITY (INCH. /HOUR) = 2.27 EFFECTIVE STREAM AREA(ACRES) = 332.80 ' TOTAL STREAM AREA(ACRES) = 362.20 PEAK FLOW RATE(CFS) AT CONFLUENCE = 506.83 is CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE • NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) so 1 506.83 28.99 2.274 .58 332.80 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO 00 CONFLUENCE FORMULA USED FOR 1 STREAMS. SUMMARY RESULTS: is STREAM CONFLUENCE EFFECTIVE Wr NUMBER Q(CFS) AREA(ACRES) +w. 1 506.83 332.80 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: so PEAK FLOW RATE(CFS) = 506.83 TIME(MINUTES) = 28.994 AM EFFECTIVE AREA(ACRES) = 332.80 TOTAL AREA(ACRES) = 362.20 ss END OF STUDY SUMMARY: "" TOTAL AREA(ACRES) = 362.20 EFFECTIVE AREA(ACRES) = 332.80 ?EAK FLOW RATE(CFS) = 506.83 END OF RATIONAL METHOD ANALYSIS ass eit ad .w. 1 ea rs r rrr arr , **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** my 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. PLAN, W. FONTANA CHANNEL LAT. 3, ALONG OLEANDE * Q 100 -25, DESIGN Q, INCLUDES OVERFLOW FROM BASELINE S.D. irr * JN 3547 *************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FILE NAME: WFONLAT3.DAT TIME /DATE OF STUDY: 7:48 1/ 1/1980 USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: .N. -- *TIME-OF- CONCENTRATION MODEL*- - MIN i,, 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) = .970 100 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.470 COMPUTED RAINFALL INTENSITY DATA: .�. STORM EVENT = 25.00 1 -HOUR INTENSITY(INCH /HOUR) = 1.1461 SLOPE OF INTENSITY DURATION CURVE = .6000 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 115.00 TO NODE 115.01 IS CODE = 2 » »> RATIONAL METHOD INITIAL SUBAREA ANALYSIS « «< ado 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 = 1408.00 DOWNSTREAM ELEVATION = 1385.00 ELEVATION DIFFERENCE = 23.00 wr TC = .412 *[( 1000.00 ** 3.00)/( 23.00)] ** .20 = 13.885 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.758 *■ SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA RUNOFF(CFS) = 13.90 TOTAL AREA(ACRES) = 7.10 PEAK FLOW RATE(CFS) = 13.90 it 1 ing **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 115.01 TO NODE 115.02 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL- CHANNEL FLOW« «< » » >TRAVELTIME THRU SUBAREA««< goo UPSTREAM NODE ELEVATION = 1385.00 DOWNSTREAM NODE ELEVATION = 1369.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1000.00 CHANNEL BASE(FEET) = 3.00 "Z" FACTOR = 2.000 MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 2.00 CHANNEL FLOW THRU SUBAREA(CFS) = 13.90 FLOW VELOCITY(FEET /SEC) = 4.01 FLOW DEPTH(FEET) = .77 'W ' TRAVEL TIME(MIN.) = 4.16 TC(MIN.) = 18.04 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 115.10 TO NODE 115.02 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.357 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) _ .5 SUBAREA AREA(ACRES) = 7.10 SUBAREA RUNOFF(CFS) = 11.34 EFFECTIVE AREA(ACRES) = 14.20 ao AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 14.20 .. PEAK FLOW RATE(CFS) = 22.68 TC(MIN) = 18.04 rrr **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** .ir FLOW PROCESS FROM NODE 115.02 TO NODE 116.10 IS CODE = 5 *�* » » >COMPUTE TRAPEZOIDAL - CHANNEL FLOW««< » » >TRAVELTIME THRU SUBAREA« «< egg UPSTREAM NODE ELEVATION = 1369.00 DOWNSTREAM NODE ELEVATION = 1354.00 to CHANNEL LENGTH THRU SUBAREA(FEET) = 700.00 CHANNEL BASE(FEET) = 3.00 "Z" FACTOR = 2.000 MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 2.00 CHANNEL FLOW THRU SUBAREA(CFS) = 22.68 FLOW VELOCITY(FEET /SEC) = 5.33 FLOW DEPTH(FEET) = .89 ,,.. TRAVEL TIME(MIN.) = 2.19 TC(MIN.) = 20.23 �+rr **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 116.00 TO NODE 116.10 IS CODE = 8 ar » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.200 g.. SOIL CLASSIFICATION IS "A" 2 in RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA AREA(ACRES) = 5.00 SUBAREA RUNOFF(CFS) = 7.28 EFFECTIVE AREA(ACRES) = 19.20 111' AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 19.20 '"' PEAK FLOW RATE(CFS) = 27.96 TC(MIN) = 20.23 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 116.10 TO NODE 117.10 IS CODE = 6 » » >COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA « «< UPSTREAM ELEVATION = 1354.00 DOWNSTREAM ELEVATION = 1352.00 " STREET LENGTH(FEET) = 320.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 20.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 12.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 +�r * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 27.96 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. ego STREET FLOWDEPTH(FEET) = .67 HALFSTREET FLOODWIDTH(FEET) = 19.63 AVERAGE FLOW VELOCITY(FEET /SEC.) = 3.01 PRODUCT OF DEPTH &VELOCITY = 2.02 STREETFLOW TRAVELTIME(MIN) = 1.77 TC(MIN) = 22.00 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.092 NOW SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 +ne EFFECTIVE AREA(ACRES) = 19.20 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 19.20 PEAK FLOW RATE(CFS) = 27.96 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .67 HALFSTREET FLOODWIDTH(FEET) = 19.63 FLOW VELOCITY(FEET /SEC.) = 3.01 DEPTH *VELOCITY = 2.02 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 117.00 TO NODE 117.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.092 SOIL CLASSIFICATION IS "A" rr 3 w. op w. RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 od SUBAREA AREA(ACRES) = 19.00 SUBAREA RUNOFF(CFS) = 25.83 EFFECTIVE AREA(ACRES) = 38.20 do AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 38.20 °d PEAK FLOW RATE(CFS) = 51.92 .ie TC(MIN) = 22.00 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** od FLOW PROCESS FROM NODE 117.10 TO NODE 118.10 IS CODE = 3 IM » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) ««< 00 DEPTH OF FLOW IN 42.0 INCH PIPE IS 33.6 INCHES ds PIPEFLOW VELOCITY(FEET /SEC.) = 6.3 UPSTREAM NODE ELEVATION = 1352.00 MN DOWNSTREAM NODE ELEVATION = 1350.00 FLOWLENGTH(FEET) = 680.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 42.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 51.92 TRAVEL TIME(MIN.) = 1.80 TC(MIN.) = 23.80 w **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** wr FLOW PROCESS FROM NODE 118.00 TO NODE 118.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.996 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 41.00 SUBAREA RUNOFF(CFS) = 52.17 EFFECTIVE AREA(ACRES) = 79.20 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 79.20 PEAK FLOW RATE(CFS) = 100.78 TC(MIN) = 23.80 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** oo FLOW PROCESS FROM NODE 118.10 TO NODE 118.10 IS CODE = 1 wr » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: so TIME OF CONCENTRATION(MINUTES) = 23.80 RAINFALL INTENSITY (INCH. /HOUR) = 2.00 EFFECTIVE STREAM AREA(ACRES) = 79.20 ,rrr TOTAL STREAM AREA(ACRES) = 79.20 PEAK .FLOW RATE(CFS) AT CONFLUENCE = 100.78 MR MO **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** irr 4 tr - FLOW PROCESS FROM NODE 213.10 TO NODE 213.10 IS CODE = 7 or » » >USER SPECIFIED HYDROLOGY INFORMATION AT NODE««< or USER - SPECIFIED VALUES ARE AS FOLLOWS: WO TC(MIN) = 18.60 RAIN INTENSITY(INCH /HOUR) = 2.31 rrr EFFECTIVE AREA(ACRES) = 44.70 TOTAL AREA(ACRES) = 44.70 PEAK FLOW RATE(CFS) = 93.00 AVERAGED LOSS RATE, Fm(IN /HR) = .582 wr **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 213.10 TO NODE 118.10 IS CODE = 6 0 » » >COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA ««< OR UPSTREAM ELEVATION = 1403.00 DOWNSTREAM ELEVATION = 1350.00 STREET LENGTH(FEET) = 2760.00 CURB HEIGTH(INCHES) = 8. IRO STREET HALFWIDTH(FEET) = 20.00 '` DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 12.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 "'IN OUTSIDE STREET CROSSFALL(DECIMAL) = .040 or SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 93.00 ** *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) = .79 HALFSTREET FLOODWIDTH(FEET) = 20.00 AVERAGE FLOW VELOCITY(FEET /SEC.) = 6.70 PRODUCT OF DEPTH &VELOCITY = 5.27 " STREETFLOW TRAVELTIME(MIN) = 6.86 TC(MIN) = 25.46 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.917 rr 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) = 44.70 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 44.70 PEAK FLOW RATE(CFS) = 93.00 END OF SUBAREA STREETFLOW HYDRAULICS: or DEPTH(FEET) = .79 HALFSTREET FLOODWIDTH(FEET) = 20.00 FLOW VELOCITY(FEET /SEC.) = 6.70 DEPTH *VELOCITY = 5.27 me **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 118.10 TO NODE 118.10 IS CODE = 1 tar » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< 5 Amm rr - ale » » >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES « «< war CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 25.46 RAINFALL INTENSITY (INCH. /HOUR) = 1.92 a EFFECTIVE STREAM AREA(ACRES) = 44.70 rrr TOTAL STREAM AREA(ACRES) = 44.70 PEAK FLOW RATE(CFS) AT CONFLUENCE = 93.00 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 100.78 23.80 1.996 .58 79.20 2 93.00 25.46 1.917 .58 44.70 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 192.87 120.99 +rr 2 188.14 123.90 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: a PEAK FLOW RATE(CFS) = 192.87 TIME(MINUTES) = 23.803 EFFECTIVE AREA(ACRES) = 120.99 TOTAL AREA(ACRES) = 123.90 +r�+ **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 118.10 TO NODE 113.10 IS CODE = 3 r r » »> 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.) = 17.4 UPSTREAM NODE ELEVATION = 1350.00 DOWNSTREAM NODE ELEVATION = 1303.00 or FLOWLENGTH(FEET) = 2650.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 51.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) =,_ 19 2.87 TRAVEL TIME(MIN.) = 2.53 TC(MIN.) = 26.34 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 113.10 TO NODE 113.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE ««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 26.34 RAINFALL INTENSITY (INCH. /HOUR) = 1.88 EFFECTIVE STREAM AREA(ACRES) = 120.99 6 err - TOTAL STREAM AREA(ACRES) = 123.90 PEAK FLOW RATE(CFS) AT CONFLUENCE = 192.87 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 110.00 TO NODE 110.10 IS CODE = 2 » » >RATIONAL METHOD INITIAL SUBAREA ANALYSIS« «< IM 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 = 1356.00 DOWNSTREAM ELEVATION = 1335.00 ELEVATION DIFFERENCE = 21.00 TC = .412 *[( 1000.00 ** 3.00)/( 21.00)] ** .20 = 14.140 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.728 ... SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA RUNOFF(CFS) = 14.49 TOTAL AREA(ACRES) = 7.50 PEAK FLOW RATE(CFS) = 14.49 ma aw **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 110.10 TO NODE 110.20 IS CODE = 5 NIP » » >COMPUTE TRAPEZOIDAL - CHANNEL FLOW««< » » >TRAVELTIME THRU SUBAREA « «< ""' UPSTREAM NODE ELEVATION = 1335.00 DOWNSTREAM NODE ELEVATION = 1319.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1000.00 CHANNEL BASE(FEET) = 3.00 "Z" FACTOR = 2.000 MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 2.00 CHANNEL FLOW THRU SUBAREA(CFS) = 14.49 FLOW VELOCITY(FEET /SEC) = 4.18 FLOW DEPTH(FEET) = .77 TRAVEL TIME(MIN.) = 3.99 TC(MIN.) = 18.13 rr **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 111.00 TO NODE 110.20 IS CODE = 8 NO » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< ■, 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.350 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA AREA(ACRES) = 7.50 SUBAREA RUNOFF(CFS) = 11.93 EFFECTIVE AREA(ACRES) = 15.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 15.00 �* PEAK FLOW RATE(CFS) = 23.87 TC(MIN) = 18.13 ' 7 wr OW OW **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 111.20 TO NODE 111.10 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL- CHANNEL FLOW « «< » » >TRAVELTIME THRU SUBAREA« «< err UPSTREAM NODE ELEVATION = 1319.00 DOWNSTREAM NODE ELEVATION = 1309.00 CHANNEL. LENGTH THRU SUBAREA(FEET) = 650.00 CHANNEL BASE(FEET) = 3.00 "Z" FACTOR = 2.000 MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 2.00 CHANNEL FLOW THRU SUBAREA(CFS) = 23.87 FLOW VELOCITY(FEET /SEC) = 4.67 FLOW DEPTH(FEET) = 1.02 TRAVEL TIME(MIN.) = 2.32 TC(MIN.) = 20.45 ea as **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** *" FLOW PROCESS FROM NODE 111.20 TO NODE 111.10 IS CODE = 8 � y » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.186 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA AREA(ACRES) = 5.30 SUBAREA RUNOFF(CFS) = 7.65 EFFECTIVE AREA(ACRES) = 20.30 AVERAGED Fm(INCH /HR) = .582 �•• TOTAL AREA(ACRES) = 20.30 PEAK FLOW RATE(CFS) = 29.31 TC(MIN) = 20.45 IMO **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 111.10 TO NODE 112.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA ««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< ma DEPTH OF FLOW IN 30.0 INCH PIPE IS 19.5 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 8.7 UPSTREAM NODE ELEVATION = 1309.00 11/6 DOWNSTREAM NODE ELEVATION = 1306.00 de FLOWLENGTH(FEET) = 320.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 30.00 NUMBER OF PIPES = 1 WM PIPEFLOW THRU SUBAREA(CFS) = 29.31 ar TRAVEL TIME(MIN.) = .62 TC(MIN.) = 21.07 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 112.00 TO NODE 112.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.148 orr - 8 rr SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 28.18 EFFECTIVE AREA(ACRES) = 40.30 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 40.30 ar PEAK FLOW RATE(CFS) = 56.79 TC(MIN) = 21.07 wrr **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ,.. FLOW PROCESS FROM NODE 112.10 TO NODE 113.10 IS CODE = 3 » » > COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 42.0 INCH PIPE IS 29.8 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 7.8 UPSTREAM NODE ELEVATION = 1306.00 DOWNSTREAM NODE ELEVATION = 1303.00 as FLOWLENGTH(FEET) = 650.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 42.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 56.79 TRAVEL TIME(MIN.) = 1.39 TC(MIN.) = 22.46 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ao FLOW PROCESS FROM NODE 113.00 TO NODE 113.10 IS CODE = 8 4., » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< IMO 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.067 aa SOIL CLASSIFICATION IS "A" "r RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 53.45 EFFECTIVE AREA(ACRES) = 80.30 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 80.30 PEAK FLOW RATE(CFS) = 107.30 TC(MIN) = 22.46 "M. **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** O, FLOW PROCESS FROM NODE 113.10 TO NODE 113.10 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) = 22.46 err RAINFALL INTENSITY (INCH. /HOUR) = 2.07 EFFECTIVE STREAM AREA(ACRES) = 80.30 TOTAL STREAM AREA(ACRES) = 80.30 PEAK FLOW RATE(CFS) AT CONFLUENCE = 107.30 so taw 9 ma mm pw CONFLUENCE INFORMATION: �. STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE wir NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 192.87 26.34 1.878 .58 120.99 2 107.30 22.46 2.067 .58 80.30 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 286.56 201.29 2 295.67 183.47 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: +rr PEAK FLOW RATE(CFS) = 295.67 TIME(MINUTES) = 22.459 EFFECTIVE AREA(ACRES) = 183.47 TOTAL AREA(ACRES) = 204.20 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 113.10 TO NODE 1500.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA ««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 57.0 INCH PIPE IS 46.1 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 19.2 UPSTREAM NODE ELEVATION = 1303.00 "" DOWNSTREAM NODE ELEVATION = 1282.00 FLOWLENGTH(FEET) = 1150.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 57.00 NUMBER OF PIPES = 1 ■. PIPEFLOW THRU SUBAREA(CFS) = 295.67 TRAVEL TIME(MIN.) = 1.00 TC(MIN.) = 23.46 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 1500.00 TO NODE 1500.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.014 rrr SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 51.54 EFFECTIVE AREA(ACRES) = 223.47 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 244.20 PEAK FLOW RATE(CFS) = 295.67 TC(MIN) = 23.46 mum air **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 1500.10 TO NODE 1500.10 IS CODE = 1 10 es gra » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 23.46 RAINFALL INTENSITY (INCH. /HOUR) = 2.01 EFFECTIVE STREAM AREA(ACRES) = 223.47 TOTAL STREAM AREA(ACRES) = 244.20 PEAK FLOW RATE(CFS) AT CONFLUENCE = 295.67 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 1500.10 TO NODE 1500.10 IS CODE = 7 » » >USER SPECIFIED HYDROLOGY INFORMATION AT NODE« «< rrrrr USER - SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 22.70 RAIN INTENSITY(INCH /HOUR) = 2.05 EFFECTIVE AREA(ACRES) = 12.10 TOTAL AREA(ACRES) = 12.10 PEAK FLOW RATE(CFS) = 21.84 AVERAGED LOSS RATE, Fm(IN /HR) = .582 +rr **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 1500.10 TO NODE 1500.10 IS CODE = 1 ,r. » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< » » >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES «<« CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 22.70 RAINFALL INTENSITY (INCH. /HOUR) = 2.05 EFFECTIVE STREAM AREA(ACRES) = 12.10 TOTAL STREAM AREA(ACRES) = 12.10 PEAK FLOW RATE(CFS) AT CONFLUENCE = 21.84 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE ... NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 295.67 23.46 2.014 .58 223.47 2 21.84 22.70 2.054 .58 12.10 rn RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 316.92 235.57 2 315.98 228.38 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 316.92 TIME(MINUTES) = 23.455 EFFECTIVE AREA(ACRES) = 235.57 TOTAL AREA(ACRES) = 256.30 `�` 11 err **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** e '" FLOW PROCESS FROM NODE 1500.10 TO NODE 1504.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< err » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 63.0 INCH PIPE IS 46.1 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 18.7 die UPSTREAM NODE ELEVATION = 1282.00 DOWNSTREAM NODE ELEVATION = 1259.00 FLOWLENGTH(FEET) = 1500.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 63.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 316.92 TRAVEL TIME(MIN.) = 1.34 TC(MIN.) = 24.79 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 1501.00 TO NODE 1504.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< •� 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.948 SOIL CLASSIFICATION IS "A" """ RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 46.00 SUBAREA RUNOFF(CFS) = 56.54 EFFECTIVE AREA(ACRES) = 281.57 ..,, AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 302.30 PEAK FLOW RATE(CFS) = 346.08 TC(MIN) = 24.79 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** •- FLOW PROCESS FROM NODE 1504.10 TO NODE 1505.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< rr DEPTH OF FLOW IN 66.0 INCH PIPE IS 50.1 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 17.9 UPSTREAM NODE ELEVATION = 1259.00 m , DOWNSTREAM NODE ELEVATION = 1240.00 FLOWLENGTH(FEET) = 1450.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 66.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 346.08 TRAVEL TIME(MIN.) = 1.35 TC(MIN.) = 26.14 ■r, **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW•PROCESS FROM NODE 1505.00 TO NODE 1505.10 IS CODE = 8 m, » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « « < 4111 12 irr 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.887 SOIL CLASSIFICATION IS "A" RESIDENTIAL —> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 46.97 EFFECTIVE AREA(ACRES) = 321.57 AVERAGED Fm(INCH /HR) = .582 +4 TOTAL AREA(ACRES) = 342.30 PEAK FLOW RATE(CFS) = 377.60 TC(MIN) = 26.14 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 1505.10 TO NODE 1505.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « ' » » >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< 04 CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 26.14 RAINFALL INTENSITY (INCH. /HOUR) = 1.89 EFFECTIVE STREAM AREA(ACRES) = 321.57 40 TOTAL STREAM AREA(ACRES) = 342.30 PEAK FLOW RATE(CFS) AT CONFLUENCE = 377.60 as CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE ,,,,,, NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 377.60 26.14 1.887 .58 321.57 ma RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 1 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 377.60 321.57 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 377.60 TIME(MINUTES) = 26.144 EFFECTIVE AREA(ACRES) = 321.57 TOTAL AREA(ACRES) = 342.30 END OF STUDY SUMMARY: TOTAL AREA(ACRES) = 342.30 EFFECTIVE AREA(ACRES) = 321.57 ■. PEAK FLOW RATE(CFS) = 377.60 END OF RATIONAL METHOD ANALYSIS "r AM .r� 13 w ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** RATIONAL METHOD HYDROLOGY COMPUTR 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 err Especially prepared for: HALL & FOREMAN * * * * * * * * * * * * * * * * * * * * * * * * ** DESCRIPTION OF STUDY * * * * * * * * * * * * * * * * * * * * * * * * ** "ie N.FONTANA MASTER S.D PLAN,W.FONTANA CHANNEL LATERAL 3 +� Q 25 YR, NOT FOR DESIGN Q * �* VENKI.N, JN 3547, 5/16/89 * ******************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** an FILE NAME: A:WFONLAT3.025 TIME /DATE OF STUDY: 14:28 5/16/1989 AM- SW 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 als *USER- DEFINED LOGARITHMIC INTERPOLATION USED FOR RAINFALL* 10 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = .970 m" 100 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.470 '.OMPUTED RAINFALL INTENSITY DATA: up TORM EVENT = 25.00 1 -HOUR INTENSITY(INCH /HOUR) = 1.1461 • SLOPE OF INTENSITY DURATION CURVE = .6000 ari 4m********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** , FLOW PROCESS FROM NODE 115.00 TO NODE 115.01 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 um INITIAL SUBAREA FLOW - LENGTH = 1000.00 UPSTREAM ELEVATION = 1408.00 ▪ DOWNSTREAM ELEVATION = 1385.00 410 ELEVATION DIFFERENCE = 23.00 TC = .412 *[( 1000.00 ** 3.00)/( 23.00)] ** .20 = 13.885 .. 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 RUNOFF(CFS) = 13.90 • TOTAL AREA(ACRES) = 7.10 PEAK FLOW RATE(CFS) = 13.90 r ,.. ****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** r'LOW PROCESS FROM NODE 115.01 TO NODE 115.02 IS CODE = 5 sum » »>COMPUTE TRAPEZOIDAL- CHANNEL FLOW««< » »>TRAVELTIME THRU SUBAREA««< ir• m MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 2.00 CHANNEL FLOW THRU SUBAREA(CFS) = 13.90 *' FLOW VELOCITY(FEET /SEC) = 4.01 FLOW DEPTH(FEET) = .77 TRAVEL TIME(MIN.) = 4.16 TC(MIN.) = 18.04 *r x ****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 115.10 TO NODE 115.02 IS CODE = 8 ▪ » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW«« < 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.357 am SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA AREA(ACRES) = 7.10 SUBAREA RUNOFF(CFS) = 11.34 • EFFECTIVE AREA(ACRES) = 14.20 AVERAGED Fm(INCH /HR) = .582 i"" TOTAL AREA(ACRES) = 14.20 PEAK FLOW RATE(CFS) = 22.68 "" TC(MIN) = 18.04 ▪ ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 115.02 TO NODE 116.10 IS CODE = 5 » » > COMPUTE TRAPEZOIDAL- CHANNEL FLOW ««< » » > TRAVELTIME THRU SUBAREA ««< irr UPSTREAM NODE ELEVATION = 1369.00 "' DOWNSTREAM NODE ELEVATION = 1354.00 • '' HANNEL LENGTH THRU SUBAREA(FEET) = 700.00 HANNEL BASE(FEET) = 3.00 "Z" FACTOR = 2.000 .. MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 2.00 CHANNEL FLOW THRU SUBAREA(CFS) = 22.68 - FLOW VELOCITY(FEET /SEC) = 5.33 FLOW DEPTH(FEET) = .89 TRAVEL TIME(MIN.) = 2.19 TC(MIN.) = 20.23 rr. ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** .. FLOW PROCESS FROM NODE 116.00 TO NODE 116.10 IS CODE = 8 "" » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW «« < .. 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.200 i. SOIL CLASSIFICATION IS "A" RESIDENTIAL - > 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 """ SUBAREA AREA(ACRES) = 5.00 SUBAREA RUNOFF(CFS) = 7.28 , EFFECTIVE AREA(ACRES) = 19.20 AVERAGED Fm(INCH /HR) _ .582 r TOTAL AREA(ACRES) = 19.20 PEAK FLOW RATE(CFS) = 27.96 TC(MIN) = 20.23 rw** ******************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS'FROM NODE 116.10 TO NODE 117.10 IS CODE = 6 :» »COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA « «< so "". UPSTREAM ELEVATION = 1354.00 DOWNSTREAM ELEVATION = 1352.00 STREET LENGTH(FEET) = 320.00 CURB HEIGTH(INCHES) = 8. 4 " STREET HALFWIDTH(FEET) = 20.00 wr SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 mm * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 27.96 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) = .67 HALFSTREET FLOODWIDTH(FEET) = 19.63 AVERAGE FLOW VELOCITY(FEET /SEC.) = 3.01 - PRODUCT OF DEPTH &VELOCITY = 2.02 STREETFLOW TRAVELTIME(MIN) = 1.77 TC(MIN) = 22.00 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.092 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 ""' EFFECTIVE AREA(ACRES) = 19.20 is AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 19.20 PEAK FLOW RATE(CFS) = 27.96 .s END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .67 HALFSTREET FLOODWIDTH(FEET) = 19.63 m" FLOW VELOCITY(FEET /SEC.) = 3.01 DEPTH *VELOCITY = 2.02 4 . g * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 117.00 TO NODE 117.10 IS CODE = 8 mm MP » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.092 SOIL CLASSIFICATION IS "A" 'w" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA AREA(ACRES) = 19.00 SUBAREA RUNOFF(CFS) = 25.83 EFFECTIVE AREA(ACRES) = 38.20 01 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 38.20 • PEAK FLOW RATE(CFS) = 51.92 TC(MIN) = 22.00 Van ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 11 . FLOW PROCESS FROM NODE 117.10 TO NODE 118.10 IS CODE = 3 "" » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< , » » > USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< m DEPTH OF FLOW IN 42.0 INCH PIPE IS 33.6 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 6.3 UPSTREAM NODE ELEVATION = 1352.00 DOWNSTREAM NODE ELEVATION = 1350.00 m. FLOWLENGTH(FEET) = 680.00 MANNINGS N = .013 im ESTIMATED PIPE DIAMETER(INCH) = 42.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 51.92 an RAVEL TIME(MIN.) = 1.80 TC(MIN.) = 23.80 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 118.00 TO NODE 118.10 IS CODE = 8 • RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 41.00 SUBAREA RUNOFF(CFS) = 52.17 0 " EFFECTIVE AREA(ACRES) = 79.20 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 79.20 �". EAK FLOW RATE(CFS) = 100.78 2C(MIN) = 23.80 rr . "********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** to FLOW PROCESS FROM NODE 118.10 TO NODE 113.10 IS CODE = 3 "" » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< +r. » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) «« < DEPTH OF FLOW IN 39.0 INCH PIPE IS 30.1 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 14.7 'r" UPSTREAM NODE ELEVATION = 1350.00 DOWNSTREAM NODE ELEVATION = 1303.00 FLOWLENGTH(FEET) = 2650.00 MANNINGS N = .013 w ESTIMATED PIPE DIAMETER(INCH) = 39.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 100.78 TRAVEL TIME(MIN.) = 3.01 TC(MIN.) = 26.81 wr ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** OM FLOW PROCESS FROM NODE 113.10 TO NODE 113.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< aw CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: IME OF CONCENTRATION(MINUTES) = 26.81 RAINFALL INTENSITY (INCH. /HOUR) = 1.86 EFFECTIVE STREAM AREA(ACRES) = 79.20 TOTAL STREAM AREA(ACRES) = 79.20 PEAK FLOW RATE(CFS) AT CONFLUENCE = 100.78 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** •■ FLOW PROCESS FROM NODE 110.00 TO NODE 110.10 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 m INITIAL SUBAREA FLOW - LENGTH = 1000.00 r , i „ UPSTREAM ELEVATION = 1356.00 DOWNSTREAM ELEVATION = 1335.00 m ELEVATION DIFFERENCE = 21.00 TC = .412 *[( 1000.00 ** 3.00)/( 21.00)] ** .20 = 14.140 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.728 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 • SUBAREA RUNOFF(CFS) = 14.49 TOTAL AREA(ACRES) = 7.50 PEAK FLOW RATE(CFS) = 14.49 wr ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 110.10 TO NODE 110.20 IS CODE = 5 » » >COMP[7TE TRAPEZOIDAL- CHANNEL FLOW« «< II. CHANNEL LENGTH THRU SUBAREA(FEET) = 1000.00 CHANNEL BASE(FEET) = 3.00 "Z" FACTOR = 2.000 "® MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 2.00 r ., CHANNEL FLOW THRU SUBAREA(CFS) = 14.49 FLOW VELOCITY(FEET /SEC) = 4.18 FLOW DEPTH(FEET) = .77 �• RAVEL TIME(MIN.) = 3.99 TC(MIN.) = 18.13 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 111.00 TO NODE 110.20 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< MIL 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.350 SOIL CLASSIFICATION IS "A" w. RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA AREA(ACRES) = 7.50 SUBAREA RUNOFF(CFS) = 11.93 EFFECTIVE AREA(ACRES) = 15.00 AVERAGED Fm(INCH/HR) = .582 • TOTAL AREA(ACRES) = 15.00 .. PEAK FLOW RATE(CFS) = 23.87 . TC(MIN) = 18.13 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** • FLOW PROCESS FROM NODE 110.20 TO NODE 111.10 IS CODE = 5 ▪ » » >COMPUTE TRAPEZOIDAL- CHANNEL FLOW««< » »> TRAVELTIME THRU SUBAREA ««< ,,. TTPSTREAM NODE ELEVATION = 1319.00 OWNSTREAM NODE ELEVATION = 1309.00 • CHANNEL LENGTH THRU SUBAREA(FEET) = 650.00 CHANNEL BASE(FEET) = 3.00 "Z" FACTOR = 2.000 ▪ MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 2.00 CHANNEL FLOW THRU SUBAREA(CFS) = 23.87 FLOW VELOCITY(FEET /SEC) = 4.67 FLOW DEPTH(FEET) = 1.02 - TRAVEL TIME(MIN.) = 2.32 TC(MIN.) = 20.45 ********************************************** * * * * *. * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 111.20 TO NODE 111.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.186 .w SOIL CLASSIFICATION IS "A" r. RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 5.30 SUBAREA RUNOFF(CFS) = 7.65 am EFFECTIVE AREA(ACRES) = 20.30 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 20.30 w , PEAK FLOW RATE(CFS) = 29.31 TC(MIN) = 20.45 ■r -. ****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ▪ rLOW PROCESS FROM NODE 111.10 TO NODE 112.10 IS CODE = 3 *� » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< air ++�• FLOWLENGTH(FEET) = 320.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 30.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 29.31 or TRAVEL TIME(MIN.) = .62 TC(MIN.) = 21.07 *.. x****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** I " FLOW PROCESS FROM NODE 112.00 TO NODE 112.10 IS CODE = 8 • » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« < 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.148 ▪ SOIL CLASSIFICATION IS "A" its RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 28.18 EFFECTIVE AREA(ACRES) = 40.30 AVERAGED Fm(INCH/HR) = .582 "' TOTAL AREA(ACRES) = 40.30 PEAK FLOW RATE(CFS) = 56.79 • TC(MIN) = 21.07 .********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 112.10 TO NODE 113.10 IS CODE = 3 » » > COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA «« < » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « « < DEPTH OF FLOW IN 42.0 INCH PIPE IS 29.8 INCHES ▪ PIPEFLOW VELOCITY(FEET /SEC.) = 7.8 TTPSTREAM NODE ELEVATION = 1306.00 OWNSTREAM NODE ELEVATION = 1303.00 ... FLOWLENGTH(FEET) = 650.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 42.00 NUMBER OF PIPES = 1 ' 111 PIPEFLOW THRU SUBAREA(CFS) = 56.79 TRAVEL TIME(MIN.) = 1.39 TC(MIN.) = 22.46 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** -- FLOW PROCESS FROM NODE 113.00 TO NODE 113.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « « < 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.067 ow SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 "" SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 53.45 EFFECTIVE AREA(ACRES) = 80.30 AVERAGED Fm(INCH/HR) = .582 i". TOTAL AREA(ACRES) = 80.30 PEAK FLOW RATE(CFS) = 107.30 • TC(MIN) = 22.46 mi********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS'FROM NODE 113.10 TO NODE 113.10 IS CODE = 1 m. >» »DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< or » » >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES « «< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: r TIME OF CONCENTRATION(MINUTES) = 22.46 NN CONFLUENCE INFORMATION: me STREAM PEAK FLOW TIME INTENSITY FM, EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) ,. 1 100.78 26.81 1.858 .58 79.20 2 107.30 22.46 2.067 .58 80.30 rrr RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. • SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 193.03 159.50 2 205.51 146.65 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: 00 PEAK FLOW RATE(CFS) = 205.51 TIME(MINUTES) = 22.459 EFFECTIVE AREA(ACRES) = 146.65 ""' TOTAL AREA(ACRES) = 159.50 um +rr FLOW PROCESS FROM NODE 113.10 TO NODE 1500.10 IS CODE = 3 » » > COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA ««< » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< or DEPTH OF FLOW IN 51.0 INCH PIPE IS 38.7 INCHES "' PIPEFLOW VELOCITY(FEET /SEC.) = 17.8 UPSTREAM NODE ELEVATION = 1303.00 OWNSTREAM NODE ELEVATION = 1282.00 FLOWLENGTH(FEET) = 1150.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 51.00 NUMBER OF PIPES = 1 ""' PIPEFLOW THRU SUBAREA(CFS) = 205.51 TRAVEL TIME(MIN.) = 1.08 TC(MIN.) = 23.54 ********************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * *� * ** S FLOW PROCESS FROM NODE 1500.00 TO NODE 1500.10 IS CODE = 8 or » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« < 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.009 10 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 """ SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 51.39 irr EFFECTIVE AREA(ACRES) = 186.65 AVERAGED Fm(INCH /HR) = .582 ° C►G� = 73 - x . - Q 22. S- LAS .w TOTAL AREA(ACRES) = 199.50 w ,, = I . ? � r PEAK FLOW RATE(CFS) = 239.79 l T ) = 42- : /c" TC(MIN) = 23.54 �tx•' �, 7 0************ ********************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * FLOW PROCESS FROM NODE 1500.10 TO NODE 1504.10 IS CODE = 3 >» »COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< » » >USING COMPUTER ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 57.0 INCH PIPE IS 41.3 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 17.4 PIPEFLOW THRU SUBAREA(CFS) = 239.79 TRAVEL TIME(MIN.) = 1.43 TC(MIN.) = 24.97 ss "rr ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ss LOW PROCESS FROM NODE 1501.00 TO NODE 1504.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « as 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.939 rr SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 .. SUBAREA AREA(ACRES) = 46.00 SUBAREA RUNOFF(CFS) = 56.20 EFFECTIVE AREA(ACRES) = 232.65 AVERAGED Fm(INCH/HR) = .582 w TOTAL AREA(ACRES) = 245.50 PEAK FLOW RATE(CFS) = 284.22 as TC(MIN) = 24.97 sus miss************************************************************************** . FLOW PROCESS FROM NODE 1504.10 TO NODE 1505.10 IS CODE = 3 ss- »» > COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« « < » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) «« < DEPTH OF FLOW IN 60.0 INCH PIPE IS 48.0 INCHES 01 PIPEFLOW VELOCITY(FEET /SEC.) = 16.9 UPSTREAM NODE ELEVATION = 1259.00 "" DOWNSTREAM NODE ELEVATION = 1240.00 PLOWLENGTH(FEET) = 1450.00 MANNINGS N = .013 STIMATED PIPE DIAMETER(INCH) = 60.00 NUMBER OF PIPES = 1 m PIPEFLOW THRU SUBAREA(CFS) = 284.22 TRAVEL TIME(MIN.) = 1.43 TC(MIN.) = 26.40 rs ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** s• FLOW PROCESS FROM NODE 1505.00 TO NODE 1505.10 IS CODE = 8 "" » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.876 "., SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) _ .5820 ▪ SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 46.57 EFFECTIVE AREA(ACRES) = 272.65 as AVERAGED Fm(INCH/HR) = .582 up TOTAL AREA(ACRES) = 285.50 PEAK FLOW RATE(CFS) = 317.42 • TC(MIN) = 26.40 rr ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 1505.10 TO NODE 1505.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE« «< 4111 » »AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES « «< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: as TIME OF CONCENTRATION(MINUTES) = 26.40 RAINFALL INTENSITY (INCH. /HOUR) = 1.88 EFFECTIVE STREAM AREA(ACRES) = 272.65 NO STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) w. 1 317.42 26.40 1.876 .58 272.65 AINFALL INTENSITY AND TIME OF CONCENTRATION RATIO .: ONFLUENCE FORMULA USED FOR 1 STREAMS. 00 SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE I. NUMBER Q(CFS) AREA(ACRES) u r 1 317.42 272.65 m COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 317.42 TIME(MINUTES) = 26.403 EFFECTIVE AREA(ACRES) = 272.65 TOTAL AREA(ACRES) = 285.50 im END OF STUDY SUMMARY: TOTAL AREA(ACRES) = 285.50 • EFFECTIVE AREA(ACRES) = 272.65 to PEAK FLOW RATE(CFS) = 317.42 on END OF RATIONAL METHOD ANALYSIS am am ws ■r rr se wr rrr rrr tam ma******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** RATIONAL METHOD HYDROLOGY COMPUTkR PROGRAM PACKAGE 1110 (Reference: 1986 SAN BERNARDINO CO. HYDROLOGY CRITERION) am Copyright 1983,86,87 Advanced Engineering Software (aes) Ver. 4.1C Release Date: 5/11/87 Serial # I00908 ma am Especially prepared for: r HALL & FOREMAN * * * * * * * * * * * * * * * * * * * * * * * * ** DESCRIPTION OF STUDY * * * * * * * * * * * * * * * * * * * * * * * * ** at N.FONTANA MASTER S.D PLAN, W.FONTANA CHANNEL LATERAL 3 Q 100 YR, NOT FOR DESIGN * VENKI.N,JN 3547, 5/16/89 * ******************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** -r FILE NAME: A:WFONLAT3.100 TIME /DATE OF STUDY: 14:29 5/16/1989 r,r 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 urr *USER- DEFINED LOGARITHMIC INTERPOLATION USED FOR RAINFALL* 10 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = .970 *ft 100 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.470 "OMPUTED RAINFALL INTENSITY DATA: •TORM EVENT = 100.00 1 -HOUR INTENSITY(INCH /HOUR) = 1.4700 SLOPE OF INTENSITY DURATION CURVE = .6000 ® k******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 115.00 TO NODE 115.01 IS CODE = 2 A-• » »> RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< "*' DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 3 -4 DWELLINGS /ACRE TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 or INITIAL SUBAREA FLOW- LENGTH = 1000.00 UPSTREAM ELEVATION = 1408.00 4114 DOWNSTREAM ELEVATION = 1385.00 ELEVATION DIFFERENCE = 23.00 TC = .412 *[( 1000.00 ** 3.00)/( 23.00)] ** .20 = 13.885 ,m 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.537 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA RUNOFF(CFS) = 18.88 °114 TOTAL AREA(ACRES) = 7.10 PEAK FLOW RATE(CFS) = 18.88 ma ,.., ****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** rLOW PROCESS FROM NODE 115.01 TO NODE 115.02 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL - CHANNEL FLOW««< ma » » >TRAVELTIME THRU SUBAREA« «< as w MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 2.00 CHANNEL FLOW THRU SUBAREA(CFS) = 18.88 0 FLOW VELOCITY(FEET /SEC) = 4.43 FLOW DEPTH(FEET) = .89 TRAVEL TIME(MIN.) = 3.76 TC(MIN.) = 17:64 kw******************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ""' FLOW PROCESS FROM NODE 115.10 TO NODE 115.02 IS CODE = 8 WO » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< rlIF 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.064 00 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 7.10 SUBAREA RUNOFF(CFS) = 15.86 ,,,, EFFECTIVE AREA(ACRES) = 14.20 AVERAGED Fm(INCH /HR) = .582 'o TOTAL AREA(ACRES) = 14.20 PEAK FLOW RATE(CFS) = 31.72 "" TC(MIN) = 17.64 ow ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 115.02 TO NODE 116.10 IS CODE = 5 to » »>COMPUTE TRAPEZOIDAL- CHANNEL FLOW««< mo » »> TRAVELTIME THRU SUBAREA««< UPSTREAM NODE ELEVATION = 1369.00 "_ DOWNSTREAM NODE ELEVATION = 1354.00 ^. HANNEL LENGTH THRU SUBAREA(FEET) = 700.00 war .HANNEL BASE(FEET) = 3.00 "Z" FACTOR = 2.000 ,,,., MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 2.00 CHANNEL FLOW THRU SUBAREA(CFS) = 31.72 '""" FLOW VELOCITY(FEET /SEC) = 5.71 FLOW DEPTH(FEET) = 1.08 TRAVEL TIME(MIN.) = 2.04 TC(MIN.) = 19.69 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 116.00 TO NODE 116.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 100 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) = 19.20 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 19.20 PEAK FLOW RATE(CFS) = 39.51 A " TC(MIN) = 19.69 m,********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS .FROM NODE 116.10 TO NODE 117.10 IS CODE = 6 m » » >COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA ««< ,.. UPSTREAM ELEVATION = 1354.00 DOWNSTREAM ELEVATION = 1352.00 STREET LENGTH(FEET) = 320.00 CURB HEIGTH(INCHES) = 8. `"'" STREET HAL;FWI DTH (FEET) = 20.00 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVELTIME COMPUTED USING MEAN FLO14(CFS) = 39.51 ** *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) = .73 HALFSTREET FLOODWIDTH(FEET) = 20.00 AVERAGE FLOW VELOCITY(FEET /SEC.) = 3.43 PRODUCT OF DEPTH &VELOCITY = 2.49 ▪ STREETFLOW TRAVELTIME(MIN) = 1.56 TC(MIN) = 21.24 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.741 - SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 mom SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 EFFECTIVE AREA(ACRES) = 19.20 AVERAGED Fm(INCH/HR) _-- .582 TOTAL AREA(ACRES) = 19.20 PEAK FLOW RATE(CFS) = 39.51 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .73 HALFSTREET FLOODWIDTH(FEET) = 20.00 FLOW VELOCITY(FEET /SEC.) = 3.43 DEPTH *VELOCITY = 2.49 sm ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** **� FLOW PROCESS FROM NODE 117.00 TO NODE 117.10 IS CODE = 8 » »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.741 No SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 19.00 SUBAREA RUNOFF(CFS) = 36.91 EFFECTIVE AREA(ACRES) = 38.20 AVERAGED Fm(INCH/HR) = .582 .�. TOTAL AREA(ACRES) = 38.20 PEAK FLOW RATE(CFS) = 74.22 TC(MIN) = 21.24 10********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 117.10 TO NODE 118.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< » » > USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « « < DEPTH OF FLOW IN 48.0 INCH PIPE IS 38.4 INCHES 1111 PIPEFLOW VELOCITY(FEET /SEC.) = 6.9 UPSTREAM NODE ELEVATION = 1352.00 ""' DOWNSTREAM NODE ELEVATION = 1350.00 FLOWLENGTH(FEET) = 680.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 48.00 NUMBER OF PIPES = 1 .. IPEFLOW THRU SUBAREA(CFS) = 74.22 IRAVEL TIME(MIN.) = 1.65 TC(MIN.) = 22.89 WA WA ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** O' FLOW PROCESS FROM NODE 118.00 TO NODE 118.10 IS CODE = 8 wo m SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 m SUBAREA AREA(ACRES) = 41.00 SUBAREA RUNOFF(CFS) = 75.23 EFFECTIVE AREA(ACRES) = 79.20 ow AVERAGED Fm(INCH/HR) = .582 OTAL AREA(ACRES) = 79.20 PEAK FLOW RATE(CFS) = 145.32 TC(MIN) = 22.89 um m ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 118.10 TO NODE 113.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« or » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « « < es DEPTH OF FLOW IN 45.0 INCH PIPE IS 34.2 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 16.1 UPSTREAM NODE ELEVATION = 1350.00 Ili DOWNSTREAM NODE ELEVATION = 1303.00 woo FLOWLENGTH(FEET) = 2650.00 MANNINGS N = .013 . ESTIMATED PIPE DIAMETER(INCH) = 45.00 NUMBER OF PIPES = 1 ,., PIPEFLOW THRU SUBAREA(CFS) = 145.32 TRAVEL TIME(MIN.) = 2.74 TC(MIN.) = 25.63 rrr • ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** .. FLOW PROCESS FROM NODE 113.10 TO NODE 113.10 IS CODE = 1 • » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE« «< rr C ONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: „ TIME OF CONCENTRATION(MINUTES) = 25.63 RAINFALL INTENSITY (INCH. /HOUR) = 2.45 m EFFECTIVE STREAM AREA(ACRES) = 79.20 TOTAL STREAM AREA(ACRES) = 79.20 PEAK FLOW RATE(CFS) AT CONFLUENCE = 145.32 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 110.00 TO NODE 110.10,IS CODE = 2 » »>RATIONAL METHOD INITIAL SUBAREA ANALYSIS« «< mo m 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 = 1356.00 • DOWNSTREAM ELEVATION = 1335.00 ELEVATION DIFFERENCE = 21.00 TC = .412 *[( 1000.00 ** 3.00)/( 21.00)] ** .20 = 14.140 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.499 um ' SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA RUNOFF(CFS) = 19.69 m OTAL AREA(ACRES) = 7.50 PEAK FLOW RATE(CFS) = 19.69 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 110.10 TO NODE 110.20 IS CODE = 5 , DOWNSTREAM NODE ELEVATION = 1319.00 _ CHANNEL LENGTH THRU SUBAREA(FEET) = 1000.00 m CHANNEL BASE(FEET) = 3.00 "Z" FACTOR = 2.000 MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEEt) = 2.00 CHANNEL FLOW THRU SUBAREA(CFS) = 19.69 LOW VELOCITY(FEET /SEC) = 4.62 FLOW DEPTH(FEET) = .89 TRAVEL TIME(MIN.) = 3.60 TC(MIN.) = 17.74 m c******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ei FLOW PROCESS FROM NODE 111.00 TO NODE 110.20 IS CODE = 8 m »» >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< so 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.053 SOIL CLASSIFICATION IS "A" ▪ RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 • I SUBAREA AREA(ACRES) = 7.50 SUBAREA RUNOFF(CFS) = 16.68 EFFECTIVE AREA(ACRES) = 15.00 me AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 15.00 PEAK FLOW RATE(CFS) = 33.36 • TC(MIN) = 17.74 frr ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** '"" FLOW PROCESS FROM NODE 110.20 TO NODE 111.10 IS CODE = 5 or »» >COMPUTE TRAPEZOIDAL- CHANNEL FLOW««< *A » » >TRAVELTIME THRU SUBAREA««< PSTREAM NODE ELEVATION = 1319.00 DOWNSTREAM NODE ELEVATION = 1309.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 650.00 + 1101 CHANNEL BASE(FEET) = 3.00 "Z" FACTOR = 2.000 MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 2.00 ▪ CHANNEL FLOW THRU SUBAREA(CFS) = 33.36 �r FLOW VELOCITY(FEET /SEC) = 5.13 FLOW DEPTH(FEET) = 1.20 TRAVEL TIME(MIN.) = 2.11 TC(MIN.) = 19.86 _********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** .w. FLOW PROCESS FROM NODE 111.20 TO NODE 111.10 IS CODE = 8 r » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« • 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.854 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA AREA(ACRES) = 5.30 SUBAREA RUNOFF(CFS) = 10.84 EFFECTIVE AREA(ACRES) = 20.30 'w AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 20.30 "" PEAK FLOW RATE(CFS) = 41.51 • TC(MIN) = 19.86 x..:****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 111.10 TO NODE 112.10 IS CODE = 3 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA«« < ++� » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DOWNSTREAM NODE ELEVATION = 1306.00 FLOWLENGTH(FEET) = 320.00 MANNINGS N = .013 m ESTIMATED PIPE DIAMETER(INCH) = 33.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 41.51 - TRAVEL TIME(MIN.) = .57 TC(MIN.) = 20.42 ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 112.00 TO NODE 112.10 IS CODE = 8 OM- »» >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< ▪ 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.806 SOIL CLASSIFICATION IS "A" " RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 40.04 EFFECTIVE AREA(ACRES) = 40.30 rn AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 40.30 PEAK FLOW RATE(CFS) = 80.67 TC(MIN) = 20.42 wr ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** +W FLOW PROCESS FROM NODE 112.10 TO NODE 113.10 IS CODE = 3 » »> COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< m DEPTH OF FLOW IN 48.0 INCH PIPE IS 33.9 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 8.5 • PSTREAM NODE ELEVATION = 1306.00 DOWNSTREAM NODE ELEVATION = 1303.00 .. FLOWLENGTH(FEET) = 650.00 MANNINGS N = .013 m ESTIMATED PIPE DIAMETER(INCH) = 48.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 80.67 mom TRAVEL TIME(MIN.) = 1.28 TC(MIN.) = 21.70 a.r ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 113.00 TO NODE 113.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< m 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.706 SOIL CLASSIFICATION IS "A" m .RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 76.47 EFFECTIVE AREA(ACRES) = 80.30 AVERAGED Fm(INCH/HR) _ .582 TOTAL AREA(ACRES) = 80.30 PEAK FLOW RATE(CFS) = 153.51 TC(MIN) = 21.70 idr ************** t****************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** m 'LOW PROCESS FROM NODE 113.10 TO NODE 113.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< » » >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES« «< err CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: r ,,, PEAK FLOW RATE(CFS) AT CONFLUENCE = 153.51 m CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM' EFFECTIVE • NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 145.32 25.63 2.449 .58 79.20 ✓ 2 153.51 21.70 2.706 .58 80.30 m RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO m CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: m STREAM CONFLUENCE EFFECTIVE rro NUMBER Q(CFS) AREA(ACRES) 1 280.24 159.50 A 2 293.49 147.36 Mg COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 293.49 TIME(MINUTES) = 21.700 +■ EFFECTIVE AREA(ACRES) = 147.36 TOTAL AREA(ACRES) = 159.50 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** all FLOW PROCESS FROM NODE 113.10 TO NODE 1500.10 IS CODE = 3 ▪ » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA ««< ,op » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< - DEPTH OF FLOW IN 57.0 INCH PIPE IS 45.8 INCHES "IPEFLOW VELOCITY(FEET /SEC.) = 19.2 PSTREAM NODE ELEVATION = 1303.00 DOWNSTREAM NODE ELEVATION = 1282.00 FLOWLENGTH(FEET) = 1150.00 MANNINGS N = .013 • ESTIMATED PIPE DIAMETER(INCH) = 57.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 293.49 mi TRAVEL TIME(MIN.) = 1.00 TC(MIN.) = 22.70 .ir ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 1500..00 TO NODE 1500.10,IS CODE = 8 wr » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW«« < NW 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.634 SOIL CLASSIFICATION IS "A" m RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 73.88 ae EFFECTIVE AREA(ACRES) = 187.36 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 199.50 411/ PEAK FLOW RATE(CFS) = 346.05 TC(MIN) = 22.70 rrr ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** OR LOW PROCESS FROM NODE 1500.10 TO NODE 1504.10 IS CODE = 3 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « « < + 11/ DEPTH OF FLOW IN 63.0 INCH PIPE IS 49.8 INCHES 40 ESTIMATED PIPE DIAMETER(INCH) = 63.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 346.05 m TRAVEL TIME(MIN.) = 1.33 TC(MIN.) = 24.02 rrr ****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 1501.00 TO NODE 1504.10 IS CODE = 8 us- » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< OIL- = 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.546 SOIL CLASSIFICATION IS "A" - RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 46.00 SUBAREA RUNOFF(CFS) = 81.30 ' EFFECTIVE AREA(ACRES) = 233.36 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 245.50 es PEAK FLOW RATE(CFS) = 412.46 TC(MIN) = 24.02 err ************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** M FLOW PROCESS FROM NODE 1504.10 TO NODE 1505.10 IS CODE = 3 ▪ » » > COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA ««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< ✓ o DEPTH OF FLOW IN 69.0 INCH PIPE IS 55.2 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 18.5 -* UPSTREAM NODE ELEVATION = 1259.00 T)OWNSTREAM NODE ELEVATION = 1240.00 es LOWLENGTH(FEET) = 1450.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 69.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 412.46 IN TRAVEL TIME(MIN.) = 1.31 TC(MIN.) = 25.33 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 1505.00 TO NODE 1505.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «« 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.466 SOIL CLASSIFICATION IS "A" ■r RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 67.84 m EFFECTIVE AREA(ACRES) = 273.36 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 285.50 „,, PEAK FLOW RATE(CFS) = 463.59 TC(MIN) = 25.33 sr ▪ ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** m FLOW PROCESS FROM NODE 1505.10 TO NODE 1505.10 IS CODE = 1 ,.. » »DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « ■r >» »AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES « «< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 25.33 m RAINFALL INTENSITY (INCH. /HOUR) = 2.47 *m CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 411"' 1 463.59 25.33 2.466 .58 273.36 ww r(AINFALL INTENSITY AND TIME OF CONCENTRATION RATIO u CONFLUENCE FORMULA USED FOR 1 STREAMS. SUMMARY RESULTS: m STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 463.59 273.36 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: "'" PEAK FLOW RATE(CFS) = 463.59 TIME(MINUTES) = 25.328 EFFECTIVE AREA(ACRES) = 273.36 ". TOTAL AREA(ACRES) = 285.50 END OF STUDY SUMMARY: mA TOTAL AREA(ACRES) = 285.50 EFFECTIVE AREA(ACRES) = 273.36 PEAK FLOW RATE(CFS) = 463.59 mw END OF RATIONAL METHOD ANALYSIS am +rr ww arr err NIP mA "rr ." nATtortnt METHOD USING nr ;ssorr I / or __- � COMITY . DAOJ6Ct: 1 2c. - f STOIIIF FREQUENCY 2$ ye - itrt IAL Jon Ito. _- aw • ti' ° SI,_ ARA NODAL FLOW UPr R- LDWEIt TRAVEI, LAtlt+ SOIL "FA TI(rrr3 ntll) /�t1 DATA t)E9IGNATION PEACH CODF: F.I,F,VATIOt13 LF.Nt:1'll U9E OI r — _ IN 115 D 1/s -2 /if () Ck l 6S 7, � P v to /15 //. o,B- 5 1 2) . ► 6� R M 71 //5 C) its:oZ 8' up • E Its oz fib- I s 13 p 45 1p Au I .4 ma `. 116 -() 1/6- / 9 5.0 116.1 117.1 6 13 d o /x ' I177 -I /1 MO 2 ll7 / 1/ l 3 � c 6 /I 2.O 1184 it- I .. / �8 l ; Ig .1 I / l OM I L - ST = 8 < N+ --f c_1 Pvta. 4. / Ic .�; 2/3- i ?13 1 7 • / ; 3 �, X13 I Ii ► 6 ��- -0 2 - _ '" 1 1/ .l 01- 1 / ,u HP. / /13-/ . 3 5 S ,L( NW 113 •1 1/ ? -' / ✓ s dip — I l 0 • 11 0 • /0 o2 ^� S / Ls \DD NM . - NW i lo.. /c fro • S" 1311 ,., — — 1/1 - .Po ^ L IALrIONAI, METHOD 133 111(.1 A E 33? F"f j ow . .. ..- .. .. gm — PROJECT: COMITY ------------- . . i S1ORN FREQUENCY: tiOn ML • 410 - 81._ AEA NODAL mow UPPER-LONER TRAVEL LAND Soli. - - DESIGNATION REACH CODE ELEVATIONS LrunTu unr CRON:* AREA UOTE3 AtiNOR DATA on - : • — —7_-___ _____ . . . . - ii I NO it t . 2,.... tit./ . 2 ,.. 4... ( -3 4 .3 I 6 3 9 ^' t 3° .. up J/.3- / 3 I; '3 4 _. )3° ..., //3 ' //3-/ / . _-- , . - . .. . _ — Ow , -, p 3 0 • 4o (c MIN ..4 * • •-•-•-- -...--- NOI I ° 4 _ Li 1 7 0, 21. ---: fw-,z,— tillf • ' • !:-._ _ . ( T , 2 z, -7 - g- , - - ' 5- t ...7 ... /Ai --- -'-) rr : (_.- ,:-. ;7.: /S-C•'; ( s - / es 1 ..-- 1 I . 1 1 . • 4 L P . to . a )1,\, 041 - I D , U 04, /COC aim . • MO . /5 -I 40 ,- a. nrr • **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE • (Reference: 1986 SAN BERNARDINO CO. HYDROLOGY CRITERION) Copyright 1983,86,87 Advanced Engineering Software (aes) am Ver. 4.1C Release Date: 5/11/87 Serial # I00908 SIP Especially prepared for: UPI HALL & FOREMAN " * * * * * * * * * * * * * * * * * * * * * * * * ** DESCRIPTION OF STUDY * * * * * * * * * * * * * * * * * * * * ** * N. FONTANA MASTER S.D. PLAN, W. FONTANA CHANNEL LAT. 4, ALONG CITRUS * Q 100 -25 YEAR, DESIGN Q, INCLUDES OVERFLOW FROM BASELINE err * JN 3547 *************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ar FILE NAME: WFONT4R.DES TIME /DATE OF STUDY: 0:10 1/ 1/1980 low USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: IMP 06 -- *TIME -OF- CONCENTRATION MODEL*- - USER SPECIFIED STORM EVENT(YEAR) = 25.00 SPECIFIED MINIMUM PIPE SIZE(INCH) = 18.00 •s• 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) = .970 100 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.470 COMPUTED RAINFALL INTENSITY DATA: iw STORM EVENT = 25.00 1 -HOUR INTENSITY(INCH /HOUR) = 1.1461 SLOPE OF INTENSITY DURATION CURVE = .6000 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 119.00 TO NODE 119.01 IS CODE = 2 » »> RATIONAL METHOD INITIAL SUBAREA ANALYSIS« « < IMP DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 3 -4 DWELLINGS /ACRE TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW- LENGTH = 1000.00 im• UPSTREAM ELEVATION = 1403.00 DOWNSTREAM ELEVATION = 1382.00 ELEVATION DIFFERENCE = 21.00 TC = .412 *[( 1000.00 ** 3.00)/( 21.00)] ** .20 = 14.140 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.728 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 TOP SUBAREA RUNOFF(CFS) = 14.49 .., TOTAL AREA(ACRES) = 7.50 PEAK FLOW RATE(CFS) = 14.49 1 Oa OM **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ,,,,, FLOW PROCESS FROM NODE 119.01 TO NODE 119.02 IS CODE = 5 "" » » >COMPUTE TRAPEZOIDAL - CHANNEL FLOW««< » » >TRAVELTIME THRU SUBAREA « rir UPSTREAM NODE ELEVATION = 1382.00 DOWNSTREAM NODE ELEVATION = 1363.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1000.00 CHANNEL BASE(FEET) = 3.00 "Z" FACTOR = 2.000 MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 2.00 CHANNEL FLOW THRU SUBAREA(CFS) = 14.49 FLOW VELOCITY(FEET /SEC) = 4.41 FLOW DEPTH(FEET) = .73 TRAVEL TIME(MIN.) = 3.78 TC(MIN.) = 17.92 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 119.10 TO NODE 119.02 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.367 "' SOIL CLASSIFICATION IS "A" wir RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 7.50 SUBAREA RUNOFF(CFS) = 12.05 *+* EFFECTIVE AREA(ACRES) = 15.00 err AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 15.00 PEAK FLOW RATE(CFS) = 24.10 TC(MIN) = 17.92 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 119.02 TO NODE 119.12 IS CODE = 5 .,� » » >COMPUTE TRAPEZOIDAL - CHANNEL FLOW««< nr » » >TRAVELTIME THRU SUBAREA « UPSTREAM NODE ELEVATION = 1363.00 DOWNSTREAM NODE ELEVATION = 1348.50 +�■� CHANNEL LENGTH THRU SUBAREA(FEET) = 750.00 CHANNEL BASE(FEET) = 3.00 "Z" FACTOR = 2.000 MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 2.00 CHANNEL FLOW THRU SUBAREA(CFS) = 24.10 FLOW VELOCITY(FEET /SEC) = 5.15 FLOW DEPTH(FEET) = .95 TRAVEL TIME(MIN.) = 2.43 TC(MIN.) = 20.34 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 119.20 TO NODE 119.12 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< am 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.193 SOIL CLASSIFICATION IS "A" mom "� 2 err a RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4 SUBAREA AREA(ACRES) = 5.30 SUBAREA RUNOFF(CFS) = 8.15 EFFECTIVE AREA(ACRES) = 20.30 e" AVERAGED Fm(INCH/HR) = .557 TOTAL AREA(ACRES) = 20.30 PEAK FLOW RATE(CFS) = 29.90 TC(MIN) = 20.34 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 119.12 TO NODE 119.22 IS CODE = 6 » » >COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA« «< UPSTREAM ELEVATION = 1348.50 DOWNSTREAM ELEVATION = 1346.80 STREET LENGTH(FEET) = 400.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 20.00 .A. DISTANCE FROM CROWN TO.CROSSFALL GRADEBREAK = 12.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 29.90 *** ** *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) _ .71 HALFSTREET FLOODWIDTH(FEET) = 20.00 AVERAGE FLOW VELOCITY(FEET /SEC.) = 2.78 PRODUCT OF DEPTH &VELOCITY = 1.97 STREETFLOW TRAVELTIME(MIN) = 2.40 TC(MIN) = 22.74 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.051 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) = 20.30 AVERAGED Fm(INCH /HR) = .557 TOTAL AREA(ACRES) = 20.30 PEAK FLOW RATE(CFS) = 29.90 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .71 HALFSTREET FLOODWIDTH(FEET) = 20.00 FLOW VELOCITY(FEET /SEC.) = 2.78 DEPTH *VELOCITY = 1.97 +�r **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 119.21 TO NODE 119.22 IS CODE = 8 ®•• » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< IMO 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.051 �' 3 rrr 1 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 26.45 EFFECTIVE AREA(ACRES) = 40.30 AVERAGED Fm(INCH/HR) = .569 mom TOTAL AREA(ACRES) = 40.30 PEAK FLOW RATE(CFS) = 53.76 TC(MIN) = 22.74 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 119.22 TO NODE 119.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< dm DEPTH OF FLOW IN 42.0 INCH PIPE IS 30.2 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 7.3 mm UPSTREAM NODE ELEVATION = 1346.80 DOWNSTREAM NODE ELEVATION = 1344.00 "' FLOWLENGTH(FEET) = 700.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 42.00 NUMBER OF PIPES = 1 ' PIPEFLOW THRU SUBAREA(CFS) = 53.76 g, TRAVEL TIME(MIN.) = 1.61 TC(MIN.) = 24.35 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 119.31 TO NODE 119.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.969 ""' SOIL CLASSIFICATION IS "A" 40 RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 49.93 ,.. EFFECTIVE AREA(ACRES) = 80.30 AVERAGED Fm(INCH /HR) = .576 TOTAL AREA(ACRES) = 80.30 PEAK FLOW RATE(CFS) = 100.71 TC(MIN) = 24.35 err **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 119.10 TO NODE 119.10 IS CODE = 1 ,"„ » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE« «< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 24.35 RAINFALL INTENSITY (INCH. /HOUR) = 1.97 EFFECTIVE STREAM AREA(ACRES) = 80.30 TOTAL STREAM AREA(ACRES) = 80.30 PEAK FLOW RATE(CFS) AT CONFLUENCE = 100.71 - 4 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 60 FLOW PROCESS FROM NODE 214.10 TO NODE 214.10 IS CODE = 7 06 » » >USER SPECIFIED HYDROLOGY INFORMATION AT NODE« USER- SPECIFIED VALUES ARE AS FOLLOWS: err TC(MIN) = 18.60 RAIN INTENSITY(INCH /HOUR) = 2.31 EFFECTIVE AREA(ACRES) = 48.30 rw TOTAL AREA(ACRES) = 48.30 PEAK FLOW RATE(CFS) = 95.70 AVERAGED LOSS RATE, Fm(IN /HR) = .582 00 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 214.10 TO NODE 119.10 IS CODE = 6 '" » » >COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< UPSTREAM ELEVATION = 1395.00 DOWNSTREAM ELEVATION = 1344.00 .. STREET LENGTH(FEET) = 2800.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 32.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 24.00 �. INTERIOR STREET CROSSFALL(DECIMAL) = .020 +ir OUTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 95.70 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) = .82 HALFSTREET FLOODWIDTH(FEET) = 27.12 •.* AVERAGE FLOW VELOCITY(FEET /SEC.) = 5.87 PRODUCT OF DEPTH &VELOCITY = 4.82 STREETFLOW TRAVELTIME(MIN) = 7.95 TC(MIN) = 26.55 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.869 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 rr EFFECTIVE AREA(ACRES) = 48.30 AVERAGED Fm(INCH /HR) = .582 1011 TOTAL AREA(ACRES) = 48.30 PEAK FLOW RATE(CFS) = 95.70 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .82 HALFSTREET FLOODWIDTH(FEET) = 27.12 1111 FLOW VELOCITY(FEET /SEC.) = 5.87 DEPTH *VELOCITY = 4.82 ur *******,********************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** �•• FLOW PROCESS FROM NODE 119.10 TO NODE 119.10 IS CODE = 1 eta » INDEPENDENT STREAM FOR CONFLUENCE««< rrr 5 err Mil » » >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES « «< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 26.55 RAINFALL INTENSITY (INCH. /HOUR) = 1.87 EFFECTIVE STREAM AREA(ACRES) = 48.30 TOTAL STREAM AREA(ACRES) = 48.30 PEAK FLOW RATE(CFS) AT CONFLUENCE = 95.70 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 100.71 24.35 1.969 .58 80.30 2 95.70 26.55 1.869 .58 48.30 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. ,�. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 195.26 124.60 2 189.21 128.60 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 195.26 TIME(MINUTES) = 24.347 EFFECTIVE AREA(ACRES) = 124.60 TOTAL AREA(ACRES) = 128.60 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 119.10 TO NODE 114.10 IS CODE = 3 ,r » »> COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< DEPTH OF FLOW IN 51.0 INCH PIPE IS 37.5, INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 17.5 UPSTREAM NODE ELEVATION = 1344.00 DOWNSTREAM NODE ELEVATION = 1297.00 FLOWLENGTH(FEET) = 2650.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 51.00 NUMBER OF PIPES = 1 ' PIPEFLOW THRU SUBAREA(CFS) = 195,26 TRAVEL TIME(MIN.) = 2.53 TC(MIN.) = 26.88 me **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 114.10 TO NODE 114.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE« «< air CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: .. TIME OF CONCENTRATION(MINUTES) = 26.88 RAINFALL INTENSITY (INCH. /HOUR) = 1.86 EFFECTIVE STREAM AREA(ACRES) = 124.60 6 oo trr s" TOTAL STREAM AREA(ACRES) = 128.60 PEAK FLOW RATE(CFS) AT CONFLUENCE = 195.26 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 114.00 TO NODE 114.01 IS CODE = 2 » » >RATIONAL METHOD INITIAL SUBAREA ANALYSIS« «< oo 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 = 1350.00 DOWNSTREAM ELEVATION = 1330.00 ELEVATION DIFFERENCE = 20.00 so TC = .412 *[( 1000.00 ** 3.00)/( 20.00)] ** .20 = 14.279 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.712 00 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA RUNOFF(CFS) = 14.38 TOTAL AREA(ACRES) = 7.50 PEAK FLOW RATE(CFS) = 14.38 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 114.01 TO NODE 114.02 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL - CHANNEL FLOW « « < »»>TRAVELTIME THRU SUBAREA« «< rr UPSTREAM NODE ELEVATION = 1330.00 DOWNSTREAM NODE ELEVATION = 1313.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1000.00 ",„ CHANNEL BASE(FEET) = 3.00 "Z" FACTOR = 2.000 MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 2.00 .., CHANNEL FLOW THRU SUBAREA(CFS) = 14.38 FLOW VELOCITY(FEET /SEC) = 4.14 FLOW DEPTH(FEET) = .77 TRAVEL TIME(MIN.) = 4.02 TC(MIN.) = 18.30 ,rr **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 114.20 TO NODE 114.02 IS CODE = 8 rirr » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.337 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA AREA(ACRES) = 7.50 SUBAREA RUNOFF(CFS) = 11.85 EFFECTIVE AREA(ACRES) = 15.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 15.00 .. PEAK FLOW RATE(CFS) = 23.69 TC(MIN) = 18.30 +rr 7 1 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 114.02 TO NODE 114.12 IS CODE = 5 ew » » >COMPUTE TRAPEZOIDAL — CHANNEL FLAW ««< » » >TRAVELTIME THRU SUBAREA««< UPSTREAM NODE ELEVATION = 1313.00 we DOWNSTREAM NODE ELEVATION = 1301.50 CHANNEL LENGTH THRU SUBAREA(FEET) = 680.00 CHANNEL BASE(FEET) = 3.00 "Z" FACTOR = 2.000 we MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 2.00 CHANNEL FLOW THRU SUBAREA(CFS) = 23.69 • FLOW VELOCITY(FEET /SEC) = 4.84 FLOW DEPTH(FEET) = .98 TRAVEL TIME(MIN.) = 2.34 TC(MIN.) = 20.64 ww PO **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** we FLOW PROCESS FROM NODE 114.30 TO NODE 114.12 IS CODE = 8 we » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.174 OP SOIL CLASSIFICATION IS "A" RESIDENTIAL —> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 we SUBAREA AREA(ACRES) = 5.30 SUBAREA RUNOFF(CFS) = 7.59 EFFECTIVE AREA(ACRES) = 20.30 OP AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 20.30 PEAK FLOW RATE(CFS) = 29.09 m' TC(MIN) = 20.64 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 114.12 TO NODE 114.22 IS CODE = 6 » » >COMPUTE STREETFLOW TRAVELTIME THRU SIJBAREA« «< UPSTREAM ELEVATION = 1301.50 DOWNSTREAM ELEVATION = 1299.80 STREET LENGTH(FEET) = 380.00 CURB HEIGTH(INCHES) = 8. we STREET HALFWIDTH(FEET) = 20.00 "■" DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 12.00 PO INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 kw * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 29.09 we ** *STREET FLOWING FULL * ** so 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. we THAT IS, ALL FLOW ALONG THE PARKWAY, ETC., IS NEGLECTED. we ®r 8 mum MO STREET FLOWDEPTH(FEET) = .71 •" HALFSTREET FLOODWIDTH(FEET) = 20.00 AVERAGE FLOW VELOCITY(FEET /SEC.) = 2.71 PRODUCT OF DEPTH &VELOCITY = 1.91 STREETFLOW TRAVELTIME(MIN) = 2.34 TC(MIN) = 22.98 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.038 SOIL CLASSIFICATION IS "A" am RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 EFFECTIVE AREA(ACRES) = 20.30 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 20.30 PEAK FLOW RATE(CFS) = 29.09 err END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .71 HALFSTREET FLOODWIDTH(FEET) = 20.00 am FLOW VELOCITY(FEET /SEC.) = 2.71 DEPTH *VELOCITY = 1.91 rr **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 114.11 TO NODE 114.22 IS CODE = 8 gig » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< are 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.038 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 26.22 mi EFFECTIVE AREA(ACRES) = 40.30 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 40.30 aim PEAK FLOW RATE(CFS) = 52.83 TC(MIN) = 22.98 oft **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** .., FLOW PROCESS FROM NODE 114.22 TO NODE 114.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< wr DEPTH OF FLOW IN 42.0 INCH PIPE IS 30.3 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 7.1 UPSTREAM NODE ELEVATION = 1299.80 DOWNSTREAM NODE ELEVATION = 1297.00 FLOWLENGTH(FEET) = 730.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 42.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 52.83 Nr TRAVEL TIME(MIN.) = 1.71 TC(MIN.) = 24.69 MR **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** Mal FLOW .PROCESS FROM NODE 114.31 TO NODE 114.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< .. es 9 ..e r err 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.952 mm SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 or SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 49.34 EFFECTIVE AREA(ACRES) = 80.30 AVERAGED Fm(INCH/HR) = .582 „ TOTAL AREA(ACRES) = 80.30 PEAK FLOW RATE(CFS) = 99.05 TC(MIN) = 24.69 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** or FLOW PROCESS FROM NODE 114.10 TO NODE 114.10 IS CODE = 1 irr » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< ro » » >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES ««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 24.69 RAINFALL INTENSITY (INCH. /HOUR) = 1.95 'r" EFFECTIVE STREAM AREA(ACRES) = 80.30 TOTAL STREAM AREA(ACRES) = 80.30 'm PEAK FLOW RATE(CFS) AT CONFLUENCE = 99.05 um CONFLUENCE INFORMATION: eft STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE Jo NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) m ,, 1 195.26 26.88 1.856 .58 124.60 2 99.05 24.69 1.952 .58 80.30 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO "" CONFLUENCE FORMULA USED FOR 2 STREAMS. ,, SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE AM NUMBER Q(CFS) AREA(ACRES) "' 1 287.31 204.90 2 292.03 194.77 ina COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 292.03 TIME(MINUTES) = 24.692 EFFECTIVE AREA(ACRES) = 194.77 *■ TOTAL AREA(ACRES) = 208.90 or mr **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 114.10 TO NODE 114.20 IS CODE = 3 » » > COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< rr DEPTH OF FLOW IN 60.0 INCH PIPE IS 44.1 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 18.9 UPSTREAM NODE ELEVATION = 1297.00 DOWNSTREAM NODE ELEVATION = 1283.00 sus 10 err - FLOWLENGTH(FEET) = 840.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 60.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 292.03 in TRAVEL TIME(MIN.) = .74 TC(MIN.) = 25.43 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 2001.00 TO NODE 114.20 IS CODE = 8 irr » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.918 UPI SOIL CLASSIFICATION IS "A" am RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 28.00 SUBAREA RUNOFF(CFS) = 33.67 EFFECTIVE AREA(ACRES) = 222.77 AVERAGED Fm(INCH /HR) = .580 si TOTAL AREA(ACRES) = 236.90 PEAK FLOW RATE(CFS) = 292.03 TC(MIN) = 25.43 r **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** .r. FLOW PROCESS FROM NODE 114.20 TO NODE 452.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< 40 » » >USING COMPUTER - ESTIMATED PIPES= (NON-PRESSURE FLOW) ««< DEPTH OF FLOW IN 60.0 INCH PIPE IS 43.5 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 19.2 UPSTREAM NODE ELEVATION = 1283.00 DOWNSTREAM NODE ELEVATION = 1264.00 FLOWLENGTH(FEET) = 1100.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 60.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 292.03 TRAVEL TIME(MIN.) = .96 TC(MIN.) = 26.39 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 2002.00 TO NODE 452.10 IS CODE = 8 .ir » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.876 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 37.00 SUBAREA RUNOFF(CFS) = 43.09 Mr EFFECTIVE AREA(ACRES) = 259.77 AVERAGED Fm(INCH /HR) = .580 TOTAL AREA(ACRES) = 273.90 PEAK FLOW RATE(CFS) = 302.97 TC(MIN) = 26.39 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** an +� 11 FLOW PROCESS FROM NODE 452.50 TO NODE 452.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.876 SOIL CLASSIFICATION IS "A" ,,,r, RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 27.00 SUBAREA RUNOFF(CFS) = 31.45 �. EFFECTIVE AREA(ACRES) = 286.77 AVERAGED Fm(INCH/HR) = .580 TOTAL AREA(ACRES) = 300.90 PEAK FLOW RATE(CFS) = 334.42 TC(MIN) = 26.39 .�r **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 452.10 TO NODE 452.10 IS CODE = 1 �., » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 26.39 RAINFALL INTENSITY (INCH. /HOUR) = 1.88 ire EFFECTIVE STREAM AREA(ACRES) = 286.77 TOTAL STREAM AREA(ACRES) = 300.90 PEAK FLOW RATE(CFS) AT CONFLUENCE = 334.42 �r. g. **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 452.10 TO NODE 452.10 IS CODE = 7 rr » » >USER SPECIFIED HYDROLOGY INFORMATION AT NODE««< 10. USER- SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 25.34 RAIN INTENSITY(INCH /HOUR) = 1.92 ... EFFECTIVE AREA(ACRES) = 11.71 TOTAL AREA(ACRES) = 11.71 PEAK FLOW RATE(CFS) = 19.85 " AVERAGED LOSS RATE, Fm(IN /HR) = .582 mg r **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 452.10 TO NODE 452.10 IS CODE = 1 »» >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE ««< .,, CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 25.34 RAINFALL INTENSITY (INCH. /HOUR) = 1.92 EFFECTIVE STREAM AREA(ACRES) = 11.71 '"" TOTAL STREAM AREA(ACRES) = 11.71 PEAK FLOW RATE(CFS) AT CONFLUENCE = 19.85 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 452.10 TO NODE 452.10 IS CODE = 7 12 irr - mrr » » >USER SPECIFIED HYDROLOGY INFORMATION AT NODE ««< USER - SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 25.34 RAIN INTENSITY(INCH /HOUR) = 1.92 EFFECTIVE AREA(ACRES) = 8.54 TOTAL AREA(ACRES) = 8.54 PEAK FLOW RATE(CFS) = 14.49 AVERAGED LOSS RATE, Fm(IN /HR) = .582 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 452.10 TO NODE 452.10 IS CODE = 1 err » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « « < » » >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES ««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: TIME OF CONCENTRATION(MINUTES) = 25.34 RAINFALL INTENSITY (INCH. /HOUR) = 1.92 EFFECTIVE STREAM AREA(ACRES) = 8.54 TOTAL STREAM AREA(ACRES) = 8.54 PEAK FLOW RATE(CFS) AT CONFLUENCE = 14.49 IMO CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 334.42 26.39 1.876 .58 286.77 2 19.85 25.34 1.922 .58 11.71 3 14.49 25.34 1.922 .58 8.54 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 3 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE ... NUMBER Q(CFS) AREA(ACRES) 1 367.57 307.02 2 366.91 295.60 '• 3 366.91 295.60 irr COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 367.57 TIME(MINUTES) = 26.391 ,•• EFFECTIVE AREA(ACRES) = 307.02 err TOTAL AREA(ACRES) = 321.15 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 452.10 TO NODE 114.30 IS CODE = 3 » »> COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 66.0 INCH PIPE IS 48.8 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 19.5 UPSTREAM NODE ELEVATION = 1264.00 Uwa ' 13 DOWNSTREAM NODE ELEVATION = 1253.00 FLOWLENGTH(FEET) = 700.00 MANNINGS N = .013 IMP ESTIMATED PIPE DIAMETER(INCH) = 66.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 367.57 TRAVEL TIME(MIN.) = .60 TC(MIN.) _. 26.99 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ,. FLOW PROCESS FROM NODE 2002.10 TO NODE 114.30 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 s. SUBAREA AREA(ACRES) = 23.00 SUBAREA RUNOFF(CFS) = 26.27 EFFECTIVE AREA(ACRES) = 330.02 AVERAGED Fm(INCH /HR) = .581 TOTAL AREA(ACRES) = 344.15 PEAK FLOW RATE(CFS) = 377.35 '"' TC(MIN) = 26.99 em **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 114.30 TO NODE 114.31 IS CODE = 4 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA ««< » »>USING USER - SPECIFIED PIPESIZE ««< DEPTH OF FLOW IN 60.0 INCH PIPE IS 6.0 INCHES �•+ PIPEFLOW VELOCITY(FEET /SEC.) = 6.8 UPSTREAM NODE ELEVATION = 1253.00 DOWNSTREAM NODE ELEVATION = 1233.00 FLOWLENGTH(FEET) = 1150.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 60.00 NUMBER OF PIPES = 54 PIPEFLOW THRU SUBAREA(CFS) = 377.35 TRAVEL TIME(MIN.) = 2.80 TC(MIN.) = 29.79 M' **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ear FLOW PROCESS FROM NODE 114.31 TO NODE 114.40 IS CODE = 4 m+ » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< me » » >USING USER - SPECIFIED PIPESIZE« « < PIPEFLOW VELOCITY(FEET /SEC.) = 23.7 UPSTREAM NODE ELEVATION = 1233.00 DOWNSTREAM NODE ELEVATION = 1226.40 FLOWLENGTH(FEET) = 300.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 54.00 NUMBER OF PIPES = 1 des PIPEFLOW THRU SUBAREA(CFS) = 377.35 TRAVEL TIME(MIN.) = .21 TC(MIN.) = 30.00 or **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 14 du FLOW PROCESS FROM NODE 2003.00 TO NODE 114.40 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< err 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.737 SOIL CLASSIFICATION IS "A" RESIDENTIAL —> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 53.00 SUBAREA RUNOFF(CFS) = 55.10 .• EFFECTIVE AREA(ACRES) = 383.02 AVERAGED Fm(INCH /HR) = .581 TOTAL AREA(ACRES) = 397.15 PEAK FLOW RATE(CFS) = 398.62 TC(MIN) = 30.00 as go **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 114.40 TO NODE 114.40 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) = 30.00 err RAINFALL INTENSITY (INCH. /HOUR) = 1.74 EFFECTIVE STREAM AREA(ACRES) = 383.02 TOTAL STREAM AREA(ACRES) = 397.15 aer PEAK FLOW RATE(CFS) AT CONFLUENCE = 398.62 MIN CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE du NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 398.62 30.00 1.737 .58 383.02 du RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 1 STREAMS. SUMMARY RESULTS: dud STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) um �► 1 398.62 383.02 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 398.62 TIME(MINUTES) = 30.002 EFFECTIVE AREA(ACRES) = 383.02 TOTAL AREA(ACRES) = 397.15 du END OF STUDY SUMMARY: TOTAL AREA(ACRES) = 397.15 EFFECTIVE AREA(ACRES) = 383.02 '" PEAK FLOW RATE(CFS) = 398.62 END OF RATIONAL METHOD ANALYSIS du err d'" 15 rr - ******************************************** *a * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 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 r�r Especially prepared for: HALL & FOREMAN * * * * * * * * * * * * * * * * * * * * * * * * ** DESCRIPTION OF STUDY * * * * * * * * * * * * * * * * * * * * * * * * ** * N.FONTANA MASTER S.D. PLAN, W. FONTANA CHANNEL LATERAL 4, ALONG CITRUS. * Q 25 -YR., NOT DESIGN Q. * art JN 3547, T. ARROYO, 11/28/89. ******************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** IIMI FILE NAME: WFONT4R.025 al TIME /DATE OF STUDY: 14: 9 11/29/1989 w USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: -- *TIME -OF- CONCENTRATION MODEL*- - ▪ USER SPECIFIED STORM EVENT(YEAR) = 25.00 as 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) = .970 as 100 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.470 COMPUTED RAINFALL INTENSITY DATA: OM STORM EVENT = 25.00 1 -HOUR INTENSITY(INCH /HOUR) = 1.1461 SLOPE OF INTENSITY DURATION CURVE _ .6000 �rrr k**************'****************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 119.00 TO NODE 119.01 IS CODE = 2 • » » > RATIONAL METHOD INITIAL SUBAREA ANALYSIS « «< irrr- DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 3 -4 DWELLINGS /ACRE TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 wr INITIAL SUBAREA FLOW - LENGTH = 1000.00 UPSTREAM ELEVATION = 1403.00 ON DOWNSTREAM ELEVATION = 1382.00 ELEVATION DIFFERENCE = 21.00 ass TC = .412 *[( 1000.00 ** 3.00)/( 21.00)] ** .20 = 14.140 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.728 " SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA RUNOFF(CFS) = 14.49 .w TOTAL AREA(ACRES) = 7.50 PEAK FLOW RATE(CFS) = 14.49 +grit k******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 119.01 TO NODE 119.02 IS CODE = 5 • » » >COMPUTE TRAPEZOIDAL- CHANNEL FLOW« «< » » >TRAVELTIME THRU SUBAREA« «< !STREAM NODE ELEVATION = 1382.00 DOWNSTREAM NODE ELEVATION = 1363.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1000.00 CHANNEL BASE(FEET) = 3.00 "Z" FACTOR = 2.000 � r rrr MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 2.00 aw CHANNEL FLOW THRU SUBAREA(CFS) = 14.49 FLOW VELOCITY(FEET /SEC) = 4.41 FLOW DEPTH(FEET) = .73 *TRAVEL TIME(MIN.) = 3.78 TC(MIN.) = 17.92 k*** alt* alt*********************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** alI FLOW PROCESS FROM NODE 119.10 TO NODE 119.02 'IS CODE = 8 •• » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< *- 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.367 SOIL CLASSIFICATION IS HAI' RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 * SUBAREA AREA(ACRES) = 7.50 SUBAREA RUNOFF(CFS) = 12.05 EFFECTIVE AREA(ACRES) = 15.00 m AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 15.00 * PEAK FLOW RATE(CFS) = 24.10 TC(MIN) = 17.92 "'******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** w FLOW PROCESS FROM NODE 119.02 TO NODE 119.12 IS CODE = 5 * » »>COMPUTE TRAPEZOIDAL - CHANNEL FLOW« «< » »> TRAVELTIME THRU SUBAREA« «< UPSTREAM NODE ELEVATION = 1363.00 * DOWNSTREAM NODE ELEVATION = 1348.50 CHANNEL LENGTH THRU SUBAREA(FEET) = 750.00 * CHANNEL BASE(FEET) = 3.00 "Z" FACTOR = 2.000 MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 2.00 IANNEL FLOW THRU SUBAREA(CFS) = 24.10 SOW VELOCITY(FEET /SEC) = 5.15 FLOW DEPTH(FEET) = .95 '"" TRAVEL TIME(MIN.) = 2.43 TC(MIN.) = 20.34 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 119.20 TO NODE 119.12 IS CODE = 8 ww » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.193 u' SOIL CLASSIFICATION IS HA" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 on SUBAREA AREA(ACRES) = 5.30 SUBAREA RUNOFF(CFS) = 8.15 EFFECTIVE AREA(ACRES) = 20.30 AVERAGED Fm(INCH /HR) = .557 TOTAL AREA(ACRES) = 20.30 • PEAK FLOW RATE(CFS) = 29.90 * TC(MIN) = 20.34 ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** or FLOW PROCESS FROM NODE 119.12 TO NODE 119.22 IS CODE = 6 m » » >COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA« «< III UPSTREAM ELEVATION = 1348.50 DOWNSTREAM ELEVATION = 1346.80 STREET LENGTH(FEET) = 400.00 CURB HEIGTH(INCHES) = 8. ^REET HALFWIDTH(FEET) = 20.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 12.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 � r ww� , SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 rr * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 29.90 ** *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. on, THAT IS, ALL FLOW ALONG THE PARKWAY, ETC., IS NEGLECTED. *r STREET FLOWDEPTH(FEET) = .71 HALFSTREET FLOODWIDTH(FEET) = 20.00 AVERAGE FLOW VELOCITY(FEET /SEC.) = 2.78 PRODUCT OF DEPTH &VELOCITY = 1.97 rw STREETFLOW TRAVELTIME(MIN) = 2.40 TC(MIN) = 22.74 .. 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.051 SOIL CLASSIFICATION IS "A" • RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 '"" EFFECTIVE AREA(ACRES) = 20.30 AVERAGED Fm(INCH /HR) = .557 IN TOTAL AREA(ACRES) = 20.30 PEAK FLOW RATE(CFS) = 29.90 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .71 HALFSTREET FLOODWIDTH(FEET) = 20.00 FLOW VELOCITY(FEET /SEC.) = 2.78 DEPTH *VELOCITY = 1.97 :******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** .r FLOW PROCESS FROM NODE 119.21 TO NODE 119.22 IS CODE = 8 +•+ » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< - - -- "' 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.051 .)IL CLASSIFICATION IS utility RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 26.45 eas EFFECTIVE AREA(ACRES) = 40.30 AVERAGED Fm(INCH /HR) = .569 TOTAL AREA(ACRES) = 40.30 .., PEAK FLOW RATE(CFS) = 53.76 TC(MIN) = 22.74 ..•******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 119.22 TO NODE 119.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< is » » > USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< """ DEPTH OF FLOW IN 42.0 INCH PIPE IS 30.2 INCHES • PIPEFLOW VELOCITY(FEET /SEC.) = 7.3 UPSTREAM NODE ELEVATION = 1346.80 DOWNSTREAM NODE ELEVATION = 1344.00 FLOWLENGTH(FEET) = 700.00 MANNINGS N = .013 +l ESTIMATED PIPE DIAMETER(INCH) = 42.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 53.76 op TRAVEL TIME(MIN.) = 1.61 TC(MIN.) = 24.35 MB ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** al " 'SOW PROCESS FROM NODE 119.31 TO NODE 119.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< ogo 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.969 arr � moo awr SOIL CLASSIFICATION IS ”An ,., RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 49.93 +'EFFECTIVE AREA(ACRES) = 80.30 AVERAGED Fm(INCH /HR) _ .576 * )TAL AREA(ACRES) = 80.30 JAK FLOW RATE(CFS) = 100.71 TC(MIN) = 24.35 00 ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 119.10 TO NODE 114.10 IS CODE = 3 » »COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< war DEPTH OF FLOW IN 39.0 INCH PIPE IS 30.0 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 14.7 4r UPSTREAM NODE ELEVATION = 1344.00 DOWNSTREAM NODE ELEVATION = 1297.00 FLOWLENGTH(FEET) = 2650.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 39.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 100.71 TRAVEL TIME(MIN.) = 3.01 TC(MIN.) = 27.35 +irr ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** .. FLOW PROCESS FROM NODE 114.10 TO NODE 114.10 IS CODE = 1 » »DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE« «< *"% CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 27.35 41 " AINFALL INTENSITY (INCH. /HOUR) = 1.84 !FECTIVE STREAM AREA(ACRES) = 80.30 "' TOTAL STREAM AREA(ACRES) = 80.30 PEAK FLOW RATE(CFS) AT CONFLUENCE = 100.71 ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** wr FLOW PROCESS FROM NODE 114.00 TO NODE 114.01 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 or UPSTREAM ELEVATION = 1350.00 DOWNSTREAM ELEVATION = 1330.00 ELEVATION DIFFERENCE = 20.00 tab TC = .412 *[( 1000.00 ** 3.00)/( 20.00)] ** .20 = 14.279 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.712 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA RUNOFF(CFS) = 14.38 TOTAL AREA(ACRES) = 7.50 PEAK FLOW RATE(CFS) = 14.38 - F******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 114.01 TO NODE 114.02 IS CODE = 5 > »COMPUTE TRAPEZOIDAL- CHANNEL FLOW« «< im » » >TRAVELTIME THRU SUBAREA« «< ▪ UPSTREAM NODE ELEVATION = 1330.00 rrr DOWNSTREAM NODE ELEVATION = 1313.00 ,,CHANNEL LENGTH THRU SUBAREA(FEET) = 1000.00 CHANNEL BASE(FEET) = 3.00 "Z" FACTOR = ■ 2.000 r MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 2.00 CHANNEL FLOW THRU SUBAREA(CFS) = 14.38 r.• ',OW VELOCITY(FEET /SEC) = 4.14 FLOW DEPTH(FEET) = .77 .tAVEL TIME(MIN.) = 4.02 TC(MIN.) = 18.30 rr _******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** *r FLOW PROCESS FROM NODE 114.20 TO NODE 114.02 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< ro or 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.337 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 7.50 SUBAREA RUNOFF(CFS) = 11.85 m EFFECTIVE AREA(ACRES) = 15.00 AVERAGED Fm(INCH /HR) = .582 a n k TOTAL AREA(ACRES) = 15.00 PEAK FLOW RATE(CFS) = 23.69 TC(MIN) = 18.30 OWN ar ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 114.02 TO NODE 114.12 IS CODE = 5 a�w » » >COMPUTE TRAPEZOIDAL- CHANNEL FLOW« «< or » »> TRAVELTIME THRU SUBAREA « «< •-• UPSTREAM NODE ELEVATION = 1313.00 DOWNSTREAM NODE ELEVATION = 1301.50 CANNEL LENGTH THRU SUBAREA(FEET) = 680.00 JANNEL BASE(FEET) = 3.00 uZ" FACTOR = 2.000 *". MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 2.00 CHANNEL FLOW THRU SUBAREA(CFS) = 23.69 FLOW VELOCITY(FEET /SEC) = 4.84 FLOW DEPTH(FEET) _ .98 TRAVEL TIME(MIN.) = 2.34 TC(MIN.) = 20.64 k******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ... FLOW PROCESS FROM NODE 114.30 TO NODE 114.12 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.174 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) _ .5820 SUBAREA AREA(ACRES) = 5.30 SUBAREA RUNOFF(CFS) = 7.59 4'1 EFFECTIVE AREA(ACRES) = 20.30 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 20.30 or PEAK FLOW RATE(CFS) = 29.09 TC(MIN) = 20.64 wrr „ r******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 114.12 TO NODE 114.22 IS CODE = 6 or » » >COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA« «< r PSTREAM ELEVATION = 1301.50 DOWNSTREAM ELEVATION = 1299.80 STREET LENGTH(FEET) = 380.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 20.00 y r MINA rr DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 12.00 , STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 29.09 ' ** *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) = .71 or HALFSTREET FLOODWIDTH(FEET) = 20.00 AVERAGE FLOW VELOCITY(FEET /SEC.) = 2.71 PRODUCT OF DEPTH &VELOCITY = 1.91 STREETFLOW TRAVELTIME(MIN) = 2.34 TC(MIN) = 22.98 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.038 =SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 EFFECTIVE AREA(ACRES) = 20.30 "'AVERAGED Fm(INCH/HR) = .582 „,TOTAL AREA(ACRES) = 20.30 PEAK FLOW RATE(CFS) = 29.09 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .71 HALFSTREET FLOODWIDTH(FEET) = 20.00 FLOW VELOCITY(FEET /SEC.) = 2.71 DEPTH *VELOCITY = 1.91 rr w..******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 114.11 TO NODE 114.22 IS CODE = 8 oaf »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.038 I ` SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 '. SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 26.22 mu EFFECTIVE AREA(ACRES) = 40.30 AVERAGED Fm(INCH /HR) = .582 m . TOTAL AREA(ACRES) = 40.30 PEAK FLOW RATE(CFS) = 52.83 TC(MIN) = 22.98 ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 114.22 TO NODE 114.10 IS CODE = 3 '" » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< > »USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 42.0 INCH PIPE IS 30.3 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 7.1 err UPSTREAM NODE ELEVATION = 1299.80 DOWNSTREAM NODE ELEVATION = 1297.00 m FLOWLENGTH(FEET) = 730.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 42.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 52.83 TRAVEL TIME(MIN.) = 1.71 TC(MIN.) = 24.69 ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** w. FLOW PROCESS FROM NODE 114.31 TO NODE 114.10 IS CODE = 8 wrr � m" » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.952 us SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 ,., 'JBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 49.34 !FECTIVE AREA(ACRES) = 80.30 Wr AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 80.30 • PEAK FLOW RATE(CFS) = 99.05 TC(MIN) = 24.69 ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** r FLOW PROCESS FROM NODE 114.10 TO NODE 114.10 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) = 24.69 RAINFALL INTENSITY (INCH. /HOUR) = 1.95 m EFFECTIVE STREAM AREA(ACRES) = 80.30 TOTAL STREAM AREA(ACRES) = 80.30 e1 PEAK FLOW RATE(CFS) AT CONFLUENCE = 99.05 err CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) err 1 100.71 27.35 1.836 .58 80.30 .� 2 99.05 24.69 1.952 .58 80.30 "A.INFALL INTENSITY AND TIME OF CONCENTRATION RATIO )NFLUENCE FORMULA USED FOR 2 STREAMS. - SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) '� 1 191.34 160.60 , 2 198.34 152.79 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: 'NM PEAK FLOW RATE(CFS) = 198.34 TIME(MINUTES) = 24.692 EFFECTIVE AREA(ACRES) = 152.79 ..++ TOTAL AREA(ACRES) = 160.60 ,******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** Ile FLOW PROCESS FROM NODE 114.10 TO NODE 114.20 IS CODE = 3 » » > COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 51.0 INCH PIPE IS 39.0 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 17.0 ake UPSTREAM NODE ELEVATION = 1297.00 DOWNSTREAM NODE ELEVATION = 1283.00 • FLOWLENGTH(FEET) = 840.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 51.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 198.34 TRAVEL TIME(MIN.) = .82 TC(MIN.) = 25.51 ' rr, ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 2001.00 TO NODE 114.20 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< m 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.914 r SOIL CLASSIFICATION IS " "A "" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 "... 'JBAREA AREA(ACRES) = 28.00 SUBAREA RUNOFF(CFS) = 33.58 JFECTIVE AREA(ACRES) = 180.79 "" AVERAGED Fm(INCH /HR) = .579 TOTAL AREA(ACRES) = 188.60 ""° PEAK FLOW RATE(CFS) = 217.22 TC(MIN) = 25.51 or :******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** rir FLOW PROCESS FROM NODE 114.20 TO NODE 452.10 IS CODE = 3 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 54.0 INCH PIPE IS 38.7 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 17.8 UPSTREAM NODE ELEVATION = 1283.00 DOWNSTREAM NODE ELEVATION = 1264.00 FLOWLENGTH(FEET) = 1100.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 54.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 217.22 TRAVEL TIME(MIN.) = 1.03 TC(MIN.) = 26.54 00 *************************************,****** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 2002.00 TO NODE 452.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.870 "" SOIL CLASSIFICATION IS " "A "" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) _ .5820 SUBAREA AREA(ACRES) = 37.00 SUBAREA RUNOFF(CFS) = 42.88 EFFECTIVE AREA(ACRES) = 217.79 AVERAGED Fm(INCH /HR) = .580 ... TOTAL AREA(ACRES) = 225.60 PEAK FLOW RATE(CFS) = 252.80 TC(MIN) = 26.54 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** *` FLOW PROCESS FROM NODE 452.50 TO NODE 452.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< .w 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.870 SOIL CLASSIFICATION IS " "A "" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 27.00 SUBAREA RUNOFF(CFS) = 31.29 EFFECTIVE AREA(ACRES) = 244.79 * AVERAGED Fm(INCH /HR) = .580 TOTAL AREA(ACRES) = 252.60 ".. PEAK FLOW RATE(CFS) = 284.08 TC(MIN) = 26.54 neo* :***************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** :,OW PROCESS FROM NODE 452.10 TO NODE 114.30 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< ., DEPTH OF FLOW IN 60.0 INCH PIPE IS 44.2 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 18.3 nr UPSTREAM NODE ELEVATION = 1264.00 DOWNSTREAM NODE ELEVATION = 1253.00 JOWLENGTH(FEET) = 700.00 MANNINGS N = .013 JTIMATED PIPE DIAMETER(INCH) = 60.00 NUMBER OF PIPES = 1 m PIPEFLOW THRU SUBAREA(CFS) = 284.08 TRAVEL TIME(MIN.) = .64 TC(MIN.) = 27.18 "******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** w. FLOW PROCESS FROM NODE 2002.10 TO NODE 114.30 IS CODE = 8 r » » > ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< .. 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.843 SOIL CLASSIFICATION IS "A" ".. RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 23.00 SUBAREA RUNOFF(CFS) = 26.11 EFFECTIVE AREA(ACRES) = 267.79 AVERAGED Fm(INCH/HR) = .580 " TOTAL AREA(ACRES) = 275.60 PEAK FLOW RATE(CFS) = 304.37 TC(MIN) = 27.18 rrr ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 114.30 TO NODE 114.31 IS CODE = 4 +rr » »COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< .m » »USING USER - SPECIFIED PIPESIZE« «< "EPTH OF FLOW IN 60.0 INCH PIPE IS 44.9 INCHES . PEFLOW VELOCITY(FEET /SEC.) = 19.3 am* UPSTREAM NODE ELEVATION = 1253.00 DOWNSTREAM NODE ELEVATION = 1233.00 FLOWLENGTH(FEET) = 1150.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 60.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 304.37 • TRAVEL TIME(MIN.) = .99 TC(MIN.) = 28.17 :******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** .• FLOW PROCESS FROM NODE 114.31 TO NODE 114.40 fS CODE = 4 • » »COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< » »USING USER - SPECIFIED PIPESIZE « «< MIL PIPEFLOW VELOCITY(FEET /SEC.) = 19.1 1 °" UPSTREAM NODE ELEVATION = 1233.00 dr DOWNSTREAM NODE ELEVATION = 1226.40 FLOWLENGTH(FEET) = 300.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 54.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 304.37 TRAVEL TIME(MIN.) = .26 TC(MIN.) = 28.43 K************* * * ***************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** +W FLOW PROCESS FROM NODE 2003.00 TO NODE 114.40 IS CODE = 8 • - »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 11 ' 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.794 SOIL CLASSIFICATION IS "A" "" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) _ .5820 ww MON AM arr ow SUBAREA AREA(ACRES) = 53.00 SUBAREA RUNOFF(CFS) = 57.81 w. EFFECTIVE AREA(ACRES) = 320.79 AVERAGED Fm(INCH /HR) = .581 all TOTAL AREA(ACRES) = 328.60 PEAK FLOW RATE(CFS) = 350.33 • TC (MIN) = 28.43 r ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** o. FLOW PROCESS FROM NODE 114.40 TO NODE 114.40 IS CODE = 1 wr » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< » »>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES « «< - CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 28.43 "` RAINFALL INTENSITY (INCH. /HOUR) = 1.79 EFFECTIVE STREAM AREA(ACRES) = 320.79 ow TOTAL STREAM AREA(ACRES) = 328.60 PEAK FLOW RATE(CFS) AT CONFLUENCE = 350.33 „ CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE ▪ NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) .. 1 350.33 28.43 1.794 .58 320.79 • iAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 1 STREAMS. Im SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE 1 °' NUMBER Q(CFS) AREA(ACRES) 1 350.33 320.79 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 350.33 TIME(MINUTES) = 28.434 • EFFECTIVE AREA(ACRES) = 320.79 • TOTAL AREA(ACRES) = 328.60 END OF STUDY SUMMARY: • TOTAL AREA(ACRES) = 328.60 EFFECTIVE AREA(ACRES) = 320.79 — PEAK FLOW RATE(CFS) = 350.33 "" END OF RATIONAL METHOD ANALYSIS r NIID aro gm wr WO ar * * * * * * * * * * * * * * * * * *** * * * * * * * * * * ** RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE as (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 e1 Especially prepared for: HALL & FOREMAN 0 * * * * * * * * * * * * * * * * * * * * * * * * ** DESCRIPTION OF STUDY * * * * * * * * * * * * * * * * * * * * * * * * ** * N. FONTANA MASTER S.D. PLAN, W.FONTANA CHANNEL LATERAL 4, ALONG CITRUS. * ** Q 100 -YR., NOT DESIGN Q. JN 3547, T. ARROYO, 11/28/89. .******************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** WS FILE NAME: WFONT4R.100 TIME /DATE OF STUDY: 14:11 11/29/1989 im OW WO OW wr ■r WO SIM rrr OW arr SW OW 4wr err wr USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: w -- *TIME -OF- CONCENTRATION MODEL*- - +rr USER SPECIFIED STORM EVENT(YEAR) = 100.00 .• 1 ECIFIED MINIMUM PIPE SIZE(INCH) = 18.00 2ECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE _ .95 O l *USER- DEFINED LOGARITHMIC INTERPOLATION USED FOR RAINFALL* 10 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = .970 1 "100 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.470 COMPUTED RAINFALL INTENSITY DATA: STORM EVENT = 100.00 1 -HOUR INTENSITY(INCH /HOUR) = 1.4700 ,.,,SLOPE OF INTENSITY DURATION CURVE _ .6000 w******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 119.00 TO NODE 119.01 IS CODE = 2 OIL » » >RATIONAL METHOD INITIAL SUBAREA ANALYSIS « «< DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 3 -4 DWELLINGS /ACRE sir TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW - LENGTH = 1000.00 , UPSTREAM ELEVATION = 1403.00 DOWNSTREAM ELEVATION = 1382.00 ELEVATION DIFFERENCE = 21.00 TC = .412 *[( 1000.00 ** 3.00)/( 21.00)] ** .20 = 14.140 ✓ r 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.499 SOIL CLASSIFICATION IS "A" • RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) _ .5820 SUBAREA RUNOFF(CFS) = 19.69 )TAL AREA(ACRES) = 7.50 PEAK FLOW RATE(CFS) = 19.69 ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** vs FLOW PROCESS FROM NODE 119.01 TO NODE 119.02 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL- CHANNEL FLOW« «< .,, » THRU SUBAREA « «< • UPSTREAM NODE ELEVATION = 1382.00 DOWNSTREAM NODE ELEVATION = 1363.00 • CHANNEL LENGTH THRU SUBAREA(FEET) = 1000.00 CHANNEL BASE(FEET) = 3.00 "Z" FACTOR = 2.000 MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 2.00 CHANNEL FLOW THRU SUBAREA(CFS) = 19.69 ow FLOW VELOCITY(FEET /SEC) = 4.86 FLOW DEPTH(FEET) = .86 oo. TRAVEL TIME(MIN.) = 3.43 TC(MIN.) = 17.57 ow k******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 40 FLOW PROCESS FROM NODE 119.10 TO NODE 119.02 IS CODE = 8 arr » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< - 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.071 SOIL CLASSIFICATION IS "A" "' RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 7.50 SUBAREA RUNOFF(CFS) = 16.80 1 " ''FECTIVE AREA(ACRES) = 15.00 JERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 15.00 PEAK FLOW RATE(CFS) = 33.60 TC(MIN) = 17.57 ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** IN FLOW PROCESS FROM NODE 119.02 TO NODE 119.12 IS CODE = 5 ** + »>COMPUTE TRAPEZOIDAL - CHANNEL FLOW« «< - »>TRAVELTIME THRU SUBAREA« « < at UPSTREAM NODE ELEVATION = 1363.00 """ DOWNSTREAM NODE ELEVATION = 1348.50 • CHANNEL LENGTH THRU SUBAREA(FEET) = 750.00 CHANNEL BASE (FEET) = 3.00 tIZu FACTOR = 2.000 MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 2.00 CHANNEL FLOW THRU SUBAREA(CFS) = 33.60 • FLOW VELOCITY(FEET /SEC) = 5.58 FLOW DEPTH(FEET) = 1.14 TRAVEL TIME(MIN.) = 2.24 TC(MIN.) = 19.81 u t******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 119.20 TO NODE 119.12 IS CODE = 8 mw. » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.858 SOIL CLASSIFICATION IS "A" • RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) _ .4850 SUBAREA AREA(ACRES) = 5.30 SUBAREA RUNOFF(CFS) = 11.32 m EFFECTIVE AREA(ACRES) = 20.30 AVERAGED Fm(INCH /HR) = .557 - TOTAL AREA(ACRES) = 20.30 PEAK FLOW RATE(CFS) = 42.04 ** TC(MIN) = 19.81 ■r * i***************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** " FLOW PROCESS FROM NODE 119.12 TO NODE 119.22 IS CODE = 6 » »>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA« «< UPSTREAM ELEVATION = 1348.50 DOWNSTREAM ELEVATION = 1346.80 al STREET LENGTH(FEET) = 400.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 20.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 12.00 "' INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 42.04 ** *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) = .79 *" HALFSTREET FLOODWIDTH(FEET) = 20.00 AVERAGE FLOW VELOCITY(FEET /SEC.) = 3.03 PRODUCT OF DEPTH &VELOCITY = 2.38 STREETFLOW TRAVELTIME(MIN) = 2.20 TC(MIN) = 22.01 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.683 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) _ .00 rrr EFFECTIVE AREA(ACRES) = 20.30 ,„", AVERAGED Fm(INCH/HR) = .557 TOTAL AREA(ACRES) = 20.30 PEAK FLOW RATE'(CFS) = 42.04 • END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) _ .79 HALFSTREET FLOODWIDTH(FEET) = 20.00 w. %OW VELOCITY(FEET /SEC.) = 3.03 DEPTH *VELOCITY = 2.38 +rr ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 119.21 TO NODE 119.22 IS CODE = 8 • » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.683 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 ** SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 37.81 EFFECTIVE AREA(ACRES) = 40.30 AVERAGED Fm(INCH /HR) = .569 TOTAL AREA(ACRES) = 40.30 ea " PEAK FLOW RATE(CFS) = 76.66 TC(MIN) = 22.01 oss ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ." FLOW PROCESS FROM NODE 119.22 TO NODE 119.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< we DEPTH OF FLOW IN 48.0 INCH PIPE IS 34.5 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 7.9 UPSTREAM NODE ELEVATION = 1346.80 ')WNSTREAM NODE ELEVATION = 1344.00 ...OWLENGTH(FEET) = 700.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 48.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 76.66 TRAVEL TIME(MIN.) = 1.47 TC(MIN.) = 23.48 ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 119.31 TO NODE 119.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< or- 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.581 "" SOIL CLASSIFICATION IS "All RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) _ .5820 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 71.95 EFFECTIVE AREA(ACRES) = 80.30 on AVERAGED Fm(INCH /HR) = .576 dig TOTAL AREA(ACRES) = 80.30 PEAK FLOW RATE(CFS) = 144.91 • TC(MIN) = 23.48 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** *s FLOW PROCESS FROM NODE 119.10 TO NODE 114.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< » » >USING COMPUTER- ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< ▪ BPTH OF FLOW IN 45.0 INCH PIPE IS 34.1 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 16.1 M UPSTREAM NODE ELEVATION = 1344.00 DOWNSTREAM NODE ELEVATION = 1297.00 wrr . FLOWLENGTH(FEET) = 2650.00 MANNINGS N = .013 w ESTIMATED PIPE DIAMETER(INCH) = 45.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 144.91 w TRAVEL TIME(MIN.) = 2.74 TC(MIN.) = 26.22 -. . r***************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 114.10 TO NODE 114.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « < CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: m TIME OF CONCENTRATION(MINUTES) = 26.22 RAINFALL INTENSITY (INCH. /HOUR) = 2.42 EFFECTIVE STREAM AREA(ACRES) = 80.30 TOTAL STREAM AREA(ACRES) = 80.30 on PEAK FLOW RATE(CFS) AT CONFLUENCE = 144.91 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 114.00 TO NODE 114.01 IS CODE = 2 > » >RATIONAL METHOD INITIAL SUBAREA ANALYSIS « «< DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 3 -4 DWELLINGS /ACRE ar TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 m INITIAL SUBAREA FLOW - LENGTH = 1000.00 UPSTREAM ELEVATION = 1350.00 as DOWNSTREAM ELEVATION = 1330.00 ELEVATION DIFFERENCE = 20.00 ""' TC = .412 *[( 1000.00 ** 3.00)/( 20.00)] ** .20 = 14.279 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.479 )IL CLASSIFICATION IS "A" zSIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA RUNOFF(CFS) = 19.55 ,r. TOTAL AREA(ACRES) = 7.50 PEAK FLOW RATE(CFS) = 19.55 F******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** "■"' FLOW PROCESS FROM NODE 114.01 TO NODE 114.02 IS CODE = 5 "` » » >COMPUTE TRAPEZOIDAL- CHANNEL FLOW« «< » » >TRAVELTIME THRU SUBAREA« «< UPSTREAM NODE ELEVATION = 1330.00 DOWNSTREAM NODE ELEVATION = 1313.00 as CHANNEL LENGTH THRU SUBAREA(FEET) = 1000.00 CHANNEL BASE(FEET) = 3.00 "Z" FACTOR = 2.000 m MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 2.00 CHANNEL FLOW THRU SUBAREA(CFS) = 19.55 as FLOW VELOCITY(FEET /SEC) = 4.59 FLOW DEPTH(FEET) = .89 TRAVEL TIME(MIN.) = 3.63 TC(MIN.) = 17.91 o k******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 114.20 TO NODE 114.02 IS CODE = 8 MIL ar » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.036 )IL CLASSIFICATION IS "A" .ESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 7.50 SUBAREA RUNOFF(CFS) = 16.57 ... EFFECTIVE AREA(ACRES) = 15.00 AVERAGED Fm(INCH /HR) = .582 .ir r TOTAL AREA(ACRES) = 15.00 am PEAK FLOW RATE(CFS) = 33.14 TC(MIN) = 17.91 or m t***************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** .,OW PROCESS FROM NODE 114.02 TO NODE 114.12 IS CODE = 5 um » > COMPUTE TRAPEZOIDAL- CHANNEL FLOW« «< 1A0 » » >TRAVELTIME THRU SUBAREA « «< am UPSTREAM NODE ELEVATION = 1313.00 um DOWNSTREAM NODE ELEVATION = 1301.50 CHANNEL LENGTH THRU SUBAREA(FEET) = 680.00 NI CHANNEL BASE(FEET) = 3.00 ""2" FACTOR = 2.000 MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 2.00 mw CHANNEL FLOW THRU SUBAREA(CFS) = 33.14 FLOW VELOCITY(FEET /SEC) = 5.29 FLOW DEPTH(FEET) = 1.17 TRAVEL TIME(MIN.) = 2,14 TC(MIN.) = 20.05 01 ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 114.30 TO NODE 114.12 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< OW 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.837 ,,,,, SOIL CLASSIFICATION IS HA,' RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 • SUBAREA AREA(ACRES) = 5.30 SUBAREA RUNOFF(CFS) = 10.76 EFFECTIVE AREA(ACRES) = 20.30 *" AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 20.30 ^AK FLOW RATE(CFS) = 41.21 J(MIN) = 20.05 arr ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 114.12 TO NODE 114.22 IS CODE = 6 +m » » >COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA « «< .■ UPSTREAM ELEVATION = 1301.50 DOWNSTREAM ELEVATION = 1299.80 STREET LENGTH(FEET) = 380.00 CURB HEIGTH(INCHS) = 8. °rr STREET HALFWIDTH(FEET) = 20.00 "'" DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 12.00 um INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 ro SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 do * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 41.21 „„ ** *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. or STREET FLOWDEPTH(FEET) = .77 HALFSTf2EET FLOODWIDTH(FEET) = 20.00 AVERAGE FLOW VELOCITY(FEET /SEC.) = 3.15 r ,,, PRODUCT OF DEPTH &VELOCITY = 2.41 STREETFLOW TRAVELTIME(MIN) = 2.01 TC(MIN) = 22.06 WA 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.679 • SOIL CLASSIFICATION IS "A" ..RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 mI EFFECTIVE AREA(ACRES) = 20.30 AVERAGED Fm(INCH /HR) = .582 1TAL AREA(ACRES) = 20.30 PEAK FLOW RATE(CFS) = 41.21 ▪ .4 D OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .77 HALFSTREET FLOODWIDTH(FEET) = 20.00 w FLOW VELOCITY(FEET /SEC.) = 3.15 DEPTH *VELOCITY = 2.41 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** w FLOW PROCESS FROM NODE 114.11 TO NODE 114.22 IS CODE = 8 10 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< '*` 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.679 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 37.75 ▪ EFFECTIVE AREA(ACRES) = 40.30 ,s AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 40.30 PEAK FLOW RATE(CFS) = 76.07 TC(MIN) = 22.06 il******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 114.22 TO NODE 114.10 IS CODE = 3 » »> COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« « < "' » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< ',PTH OF FLOW IN 48.0 INCH PIPE IS 34.9 INCHES .:PEFLOW VELOCITY(FEET /SEC.) = 7.8 UPSTREAM NODE ELEVATION = 1299.80 is DOWNSTREAM NODE ELEVATION = 1297.00 FLOWLENGTH(FEET) = 730.00 MANNINGS N = .013 aim ESTIMATED PIPE DIAMETER(INCH) = 48.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 76.07 rr TRAVEL TIME(MIN.) = 1.56 TC(MIN.) = 23.63 ******************************************** * * * * * ** * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 114.31 TO NODE 114.10 IS CODE = 8 ▪ » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< irr 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.571 Am SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 m SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 71.62 EFFECTIVE AREA(ACRES) = 80.30 .. AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 80.30 'r PEAK FLOW RATE(CFS) = 143.77 TC(MIN) = 23.63 ' m ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 114.10 TO NODE 114.10 IS CODE = 1 , »>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< » » >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES« «< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: � r < TIME OF CONCENTRATION(MINUTES) = 23.63 .,, RAINFALL INTENSITY (INCH. /HOUR) = 2.57 EFFECTIVE STREAM AREA(ACRES) = 80.30 III TOTAL STREAM AREA(ACRES) = 80.30 PEAK FLOW RATE(CFS) AT CONFLUENCE = 143.77 ws )NFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) ar 1 144.91 26.22 2.415 .58 80.30 2 143.77 23.63 2.571 .58 80.30 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO is CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: m STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) km 1 277.41 160.60 "" 2 285.40 152.65 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 285.40 TIME(MINUTES) = 23.627 EFFECTIVE AREA(ACRES) = 152.65 TOTAL AREA(ACRES) = 160.60 am ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 114.10 TO NODE 114.20 IS CODE = 3 ow » »COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA ««.< as > »> USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< - 7.PTH OF FLOW IN 57.0 INCH PIPE IS 46.6 INCHES :PEFLOW VELOCITY(FEET /SEC.) = 18.4 "" UPSTREAM NODE ELEVATION = 1297.00 DOWNSTREAM NODE ELEVATION = 1283.00 FLOWLENGTH(FEET) = 840.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 57.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 285.40 •"+ TRAVEL TIME(MIN.) _ .76 TC(MIN.) = 24.39 * **** *** *******al***** * * * * ** sir*************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** "IP FLOW PROCESS FROM NODE 2001.00 TO NODE 114.20 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.523 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 Ns SUBAREA AREA(ACRES) = 28.00 SUBAREA RUNOFF(CFS) = 48.91 EFFECTIVE AREA(ACRES) = 180.65 as AVERAGED Fm(INCH /HR) = .579 TOTAL AREA(ACRES) = 188.60 a PEAK FLOW RATE(CFS) = 315.98 TC(MIN) = 24.39 m k******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 114.20 TO NODE 452.10 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 4 wr PIPEFLOW VELOCITY(FEET /SEC.) = 19.3 .w UPSTREAM NODE ELEVATION = 1283.00 DOWNSTREAM NODE ELEVATION = 1264.00 FLOWLENGTH(FEET) = 1100.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 60.00 NUMBER OF PIPES = 1 • TPEFLOW THRU SUBAREA(CFS) = 315.98 u p RAVEL TIME(MIN.) = .95 TC(MIN.) = 25.34 MI ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** M FLOW PROCESS FROM NODE 2002.00 TO NODE 452.10 IS CODE = 8 - » » »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< • 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.466 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 is SUBAREA AREA(ACRES) = 37.00 SUBAREA RUNOFF(CFS) = 62.73 EFFECTIVE AREA(ACRES) = 217.65 AVERAGED Fm(INCH /HR) = .580 •• TOTAL AREA(ACRES) = 225.60 ma PEAK FLOW RATE(CFS) = 369.43 TC(MIN) = 25.34 MO M******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 452.50 TO NODE 452.10 IS CODE = 8 » » »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< am 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.466 "ft SOIL CLASSIFICATION IS "A" iw RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 TJBAREA AREA(ACRES) = 27.00 SUBAREA RUNOFF(CFS) = 45.78 !FECTIVE AREA(ACRES) = 244.65 AVERAGED Fm(INCH/HR) = .580 err TOTAL AREA(ACRES) = 252.60 PEAK FLOW RATE(CFS) = 415.21 m TC(MIN) = 25.34 MO k******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** iQ1 FLOW PROCESS FROM NODE 452.10 TO NODE 114.30 IS CODE = 3 » » »COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< ws » » »USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< as DEPTH OF FLOW IN 69.0 INCH PIPE IS 51.1 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 20.1 m UPSTREAM NODE ELEVATION = 1264.00 DOWNSTREAM NODE ELEVATION = 1253.00 • FLOWLENGTH(FEET) = 700.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 69.00 NUMBER OF PIPES = 1 • PIPEFLOW THRU SUBAREA(CFS) = 415.21 wr TRAVEL TIME(MIN.) = .58 TC(MIN.) = 25.92 040 k******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 2002.10 TO NODE 114.30 IS CODE = 8 » »»ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< III _00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.433 SOIL CLASSIFICATION IS "A" ,.. RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 23.00 SUBAREA RUNOFF(CFS) = 38.31 •r .n EFFECTIVE AREA(ACRES) = 267.65 ...AVERAGED Fm(INCH/HR) = .580 TOTAL AREA(ACRES) = 275.60 le PEAK FLOW RATE(CFS) = 446.19 TC(MIN) = 25.92 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 114.30 TO NODE 114.31 IS CODE = 4 wrr » »> COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » »>USING USER - SPECIFIED PIPESIZE« «< DEPTH OF FLOW IN 60.0 INCH PIPE IS 6.5 INCHES 4 ° PIPEFLOW VELOCITY(FEET /SEC.) = 7.2 UPSTREAM NODE ELEVATION = 1253.00 * DOWNSTREAM NODE ELEVATION = 1233.00 FLOWLENGTH(FEET) = 1150.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 60.00 NUMBER OF PIPES = 54 PIPEFLOW THRU SUBAREA(CFS) = 446.19 ""' TRAVEL TIME(MIN.) = 2.66 TC(MIN.) = 28.58 40 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 114.31 TO NODE 114.40 IS CODE = 4 » »> COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< • » »>USING USER - SPECIFIED PIPESIZE « «< • PIPEFLOW VELOCITY(FEET /SEC.) = 28.1 UPSTREAM NODE ELEVATION = 1233.00 "" DOWNSTREAM NODE ELEVATION = 1226.40 FLOWLENGTH(FEET) = 300.00 MANNINGS N = .013 do ?VEN PIPE DIAMETER(INCH) = 54.00 NUMBER OF PIPES = 1 .:PEFLOW THRU SUBAREA(CFS) = 446.19 TRAVEL TIME(MIN.) = .18 TC(MIN.) = 28.76 IMO „ A******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 2003.00 TO NODE 114.40 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.285 . 41°' SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 " SUBAREA AREA(ACRES) = 53.00 SUBAREA RUNOFF(CFS) = 81.25 to EFFECTIVE AREA(ACRES) = 320.65 AVERAGED Fm(INCH/HR) = .581 in TOTAL AREA(ACRES) = 328.60 PEAK FLOW RATE(CFS) = 491.96 err TC(MIN) = 28.76 ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 114.40 TO NODE 114.40 IS CODE = 1 """ » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< rrr » » >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES « «< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: • THE OF CONCENTRATION(MINUTES) = 28.76 • tINFALL INTENSITY (INCH. /HOUR) = 2.29 EFFECTIVE STREAM AREA(ACRES) = 320.65 "., TOTAL STREAM AREA(ACRES) = 328.60 PEAK FLOW RATE(CFS) AT CONFLUENCE = 491.96 � T ar - rr - CONFLUENCE INFORMATION: mSTREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 491.96 28.76 2.285 .58 320.65 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO ew CONFLUENCE FORMULA USED FOR 1 STREAMS. SUMMARY RESULTS: mill STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 491.96 320.65 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 491.96 TIME(MINUTES) = 28.759 'EFFECTIVE AREA(ACRES) = 320.65 NI TOTAL AREA(ACRES) = 328.60 _END OF STUDY SUMMARY: TOTAL AREA(ACRES) = 328.60 INEFFECTIVE AREA(ACRES) = 320.65 PEAK FLOW RATE(CFS) = 491.96 mom END OF RATIONAL METHOD ANALYSIS VAM Os as YIN **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 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 err Especially prepared for: HALL & FOREMAN * * * * * * * * * * * * * * * * * * * * * * * * ** DESCRIPTION OF STUDY * * * * * * * * * * * * * * * * * * * * ** * N. FONTANA MASTER S.D. PLAN, W. FONTANA CHANNEL LAT. 5, WEST OF CITRU * Q 100 -25 YEAR, DESIGN Q, INCLUDES OVERFLOW FROM BASELINE AVENUE �.. * JN 3547 *************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FILE NAME: WFONLAT5.DES TIME /DATE OF STUDY: 0:27 1/ 1/1980 USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: am -- *TIME -OF- CONCENTRATION MODEL * -- rr 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) = .970 mit 100 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.470 COMPUTED RAINFALL INTENSITY DATA: r.. STORM EVENT = 25.00 1 -HOUR INTENSITY(INCH /HOUR) = 1.1461 SLOPE OF INTENSITY DURATION CURVE = .6000 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 125.00 TO NODE 125.01 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 = 1395.00 DOWNSTREAM ELEVATION = 1375.00 ELEVATION DIFFERENCE = 20.00 TC = .412 *[( 1000.00 ** 3.00)/( 20.00)] ** .20 = 14.279 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.712 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA RUNOFF(CFS) = 14.38 , TOTAL AREA(ACRES) = 7.50 PEAK FLOW RATE(CFS) = 14.38 r 1 eir ask n.' **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 125.01 TO NODE 126.01 IS CODE = 5 +■+ » » >COMPUTE TRAPEZOIDAL - CHANNEL FLOW««< » » >TRAVELTIME THRU SUBAREA« «< mi UPSTREAM NODE ELEVATION = 1375.00 DOWNSTREAM NODE ELEVATION = 1355.00 .■ CHANNEL LENGTH THRU SUBAREA(FEET) = 1000.00 CHANNEL BASE(FEET) = 3.00 "Z" FACTOR = 2.000 MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 2.00 CHANNEL FLOW THRU SUBAREA(CFS) = 14.38 "d FLOW VELOCITY(FEET /SEC) = 4.38 FLOW DEPTH(FEET) = .73 arrr TRAVEL TIME(MIN.) = 3.80 TC(MIN.) = 18.08 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** "r FLOW PROCESS FROM NODE 126.00 TO NODE 126.01 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< +wr 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.354 46 " SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 7.50 SUBAREA RUNOFF(CFS) = 11.96 EFFECTIVE AREA(ACRES) = 15.00 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 15.00 PEAK FLOW RATE(CFS) = 23.92 TC(MIN) = 18.08 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ati FLOW PROCESS FROM NODE 126.01 TO NODE 126.10 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL - CHANNEL FLOW« «< » » >TRAVELTIME THRU SUBAREA « «< UPSTREAM NODE ELEVATION = 1355.00 md DOWNSTREAM NODE ELEVATION = 1342.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 650.00 CHANNEL BASE(FEET) = 3.00 "Z" FACTOR = 2.000 �+. MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 2.00 CHANNEL FLOW THRU SUBAREA(CFS) = 23.92 FLOW VELOCITY(FEET /SEC) = 5.11 FLOW DEPTH(FEET) = .95 me TRAVEL TIME(MIN.) = 2.12 TC(MIN.) = 20.20 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 125.12 TO NODE 126.10 IS CODE = 8 err » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< md 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.202 ass SOIL CLASSIFICATION IS "A" 2 so RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 am SUBAREA AREA(ACRES) = 5.00 SUBAREA RUNOFF(CFS) = 7.29 EFFECTIVE AREA(ACRES) = 20.00 +w AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 29.17 10 TC(MIN) = 20.20 ,A. **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 126.10 TO NODE 127.10 IS CODE = 6 » »>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA ««< Nal UPSTREAM ELEVATION = 1342.00 DOWNSTREAM ELEVATION = 1341.00 *** STREET LENGTH(FEET) = 350.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 20.00 ow woo DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 12.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 29.17 *• ** *STREET FLOWING FULL * ** STREETFLOW MODEL RESULTS: ow NOTE: STREETFLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREETFLOW RESULTS ARE BASED ON THE ASSUMPTION wo THAT NEGLIBLE FLOW OCCURS OUTSIDE OF THE STREET CHANNEL. ow THAT IS, ALL FLOW ALONG THE PARKWAY, ETC., IS NEGLECTED. STREET FLOWDEPTH(FEET) = .75 HALFSTREET FLOODWIDTH(FEET) = 20.00 AVERAGE FLOW VELOCITY(FEET /SEC.) = 2.37 PRODUCT OF DEPTH &VELOCITY = 1.77 STREETFLOW TRAVELTIME(MIN) = 2.46 TC(MIN) = 22.66 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.056 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 err SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 EFFECTIVE AREA(ACRES) = 20.00 .. AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 29.17 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .75 HALFSTREET FLOODWIDTH(FEET) = 20.00 FLOW VELOCITY(FEET /SEC.) = 2.37 DEPTH *VELOCITY = 1.77 Yrr ** **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** do FLOW PROCESS FROM NODE 127.00 TO NODE 127.10 IS CODE = 8 oo » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.056 3 ti `' SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 26.52 EFFECTIVE AREA(ACRES) = 40.00 AVERAGED Fm(INCH/HR) = .582 "" TOTAL AREA(ACRES) = 40.00 PEAK FLOW RATE(CFS) = 53.05 TC(MIN) = 22.66 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 127.10 TO NODE 128.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 39.0 INCH PIPE IS 29.3 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 7.9 ,� UPSTREAM NODE ELEVATION = 1341.00 DOWNSTREAM NODE ELEVATION = 1337.50 FLOWLENGTH(FEET) = 670.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 39.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 53.05 ,I. TRAVEL TIME(MIN.) = 1.41 TC(MIN.) = 24.07 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 128.21 TO NODE 128.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.983 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 50.42 EFFECTIVE AREA(ACRES) = 80.00 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 80.00 PEAK FLOW RATE(CFS) = 100.85 TC(MIN) = 24.07 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 128.10 TO NODE 129.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLAW) ««< 40 DEPTH OF FLOW IN 48.0 INCH PIPE IS 39.2 INCHES "' PIPEFLOW VELOCITY(FEET /SEC.) = 9.2 UPSTREAM NODE ELEVATION = 1337.50 DOWNSTREAM NODE ELEVATION = 1334.00 FLOWLENGTH(FEET) = 670.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 48.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 100.85 +rr 4 isst as TRAVEL TIME(MIN.) = 1.22 TC(MIN.) = 25.29 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 129.00 TO NODE 129.10 IS CODE = 8 rrr » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< +*R 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.925 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 48.34 EFFECTIVE AREA(ACRES) = 120.00 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 120.00 PEAK FLOW RATE(CFS) = 145.03 TC(MIN) = 25.29 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 129.10 TO NODE 129.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< di CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: *.• TIME OF CONCENTRATION(MINUTES) = 25.29 RAINFALL INTENSITY (INCH. /HOUR) = 1.92 EFFECTIVE STREAM AREA(ACRES) = 120.00 TOTAL STREAM AREA(ACRES) = 120.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 145.03 ... **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 221.20 TO NODE 221.20 IS CODE = 7 » » >USER SPECIFIED HYDROLOGY INFORMATION AT NODE ««< USER - SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 18.70 RAIN INTENSITY(INCH /HOUR) = 2.31 EFFECTIVE AREA(ACRES) = 68.50 TOTAL AREA(ACRES) = 68.50 PEAK FLOW RATE(CFS) = 134.80 AVERAGED LOSS RATE, Fm(IN /HR) = .582 gin **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** mis FLOW PROCESS FROM NODE 221.20 TO NODE 129.10 IS CODE = 6 Wit » » >COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA « «< UPSTREAM ELEVATION = 1385.00 DOWNSTREAM ELEVATION = 1334.00 STREET LENGTH(FEET) = 2650.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 20.00 0. DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 12.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 5 WA rr OUTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 134.80 ** *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) = .88 HALFSTREET FLOODWIDTH(FEET) = 20.00 wr AVERAGE FLOW VELOCITY(FEET /SEC.) = 7.58 PRODUCT OF DEPTH &VELOCITY = 6.70 STREETFLOW TRAVELTIME(MIN) = 5.83 TC(MIN) = 24.53 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.960 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 Ur SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 EFFECTIVE AREA(ACRES) = 68.50 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 68.50 PEAK FLOW RATE(CFS) = 134.80 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .88 HALFSTREET FLOODWIDTH(FEET) = 20.00 FLOW VELOCITY(FEET /SEC.) = 7.58 DEPTH *VELOCITY = 6.70 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** um FLOW PROCESS FROM NODE 129.10 TO NODE 129.10 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) = 24.53 , RAINFALL INTENSITY (INCH. /HOUR) = 1.96 EFFECTIVE STREAM AREA(ACRES) = 68.50 Roo TOTAL STREAM AREA(ACRES) = 68.50 ®,r PEAK FLOW RATE(CFS) AT CONFLUENCE = 134.80 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 145.03 25.29 1.925 .58 120.00 arr 2 134.80 24.53 1.960 .58 68.50 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 6 3. 276.36 188.50 2 279.20 184.90 W" COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 279.20 TIME(MINUTES) = 24.526 EFFECTIVE AREA(ACRES) = 184.90 TOTAL AREA(ACRES) = 188.50 arr **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** aaw FLOW PROCESS FROM NODE 129.10 TO NODE 124.10 IS CODE = 3 r » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA ««< a » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) ««< DEPTH OF FLOW IN 57.0 INCH PIPE IS 45.5 INCHES ... PIPEFLOW VELOCITY(FEET /SEC.) = 18.4 UPSTREAM NODE ELEVATION = 1334.00 DOWNSTREAM NODE ELEVATION = 1288.00 FLOWLENGTH(FEET) = 2750.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 57.00 NUMBER OF PIPES = 1 a� PIPEFLOW THRU SUBAREA(CFS) = 279.20 TRAVEL TIME(MIN.) = 2.49 TC(MIN.) = 27.02 yaw **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** Mk FLOW PROCESS FROM NODE 124.10 TO NODE 124.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE ««< """ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 27.02 RAINFALL INTENSITY (INCH. /HOUR) = 1.85 EFFECTIVE STREAM AREA(ACRES) = 184.90 TOTAL STREAM AREA(ACRES) = 188.50 PEAK FLOW RATE(CFS) AT CONFLUENCE = 279.20 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 120.00 TO NODE 120.01 IS CODE = 2 .a. , tea » » >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 = 1344.00 DOWNSTREAM ELEVATION = 1325.00 ELEVATION DIFFERENCE = 19.00 *■ TC = .412 *[( 1000.00 ** 3.00)/( 19.00)] ** .20 = 14.426 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.695 SOIL.CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA RUNOFF(CFS) = 14.27 TOTAL AREA(ACRES) = 7.50 PEAK FLOW RATE(CFS) = 14.27 trr 7 rrr 1 VW **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ON FLOW PROCESS FROM NODE 120.01 TO NODE 120.02 IS CODE = 5 fro » » >COMPUTE TRAPEZOIDAL - CHANNEL FLOW « « < » »>TRAVELTIME THRU SUBAREA « ,■„ UPSTREAM NODE ELEVATION = 1325.00 DOWNSTREAM NODE ELEVATION = 1308.00 "r CHANNEL LENGTH THRU SUBAREA(FEET) = 1000.00 CHANNEL BASE(FEET) = 3.00 "Z" FACTOR = 2.000 WM MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 2.00 rrr CHANNEL FLOW THRU SUBAREA(CFS) = 14.27 FLOW VELOCITY(FEET /SEC) = 4.35 FLOW DEPTH(FEET) = .73 TRAVEL TIME(MIN.) = 3.83 TC(MIN.) = 18.26 UN **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 120.12 TO NODE 120.02 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.340 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA AREA(ACRES) = 7.50 SUBAREA RUNOFF(CFS) = 11.87 EFFECTIVE AREA(ACRES) = 15.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 15.00 PEAK FLOW RATE(CFS) = 23.73 TC(MIN) = 18.26 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ,.. FLOW PROCESS FROM NODE 120.02 TO NODE 121.10 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL - CHANNEL FLOW « «< » » >TRAVELTIME THRU SUBAREA««< ■. UPSTREAM NODE ELEVATION = 1308.00 DOWNSTREAM NODE ELEVATION = 1296.00 �•• CHANNEL LENGTH THRU SUBAREA(FEET) = 320.00 CHANNEL BASE(FEET) = 3.00 "Z" FACTOR = 2.000 MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 2.00 CHANNEL FLOW THRU SUBAREA(CFS) = 23.73 FLOW VELOCITY(FEET /SEC) = 6.48 FLOW DEPTH(FEET) = .80 *r TRAVEL TIME(MIN.) = .82 TC(MIN.) = 19.08 wr **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW .PROCESS FROM NODE 121.00 TO NODE 121.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< sr 8 ✓ _ 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.279 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 "'r SUBAREA AREA(ACRES) = 5.00 SUBAREA RUNOFF(CFS) = 7.64 EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH /HR) = .582 rr, TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 30.55 .. TC(MIN) = 19.08 ■r **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 121.10 TO NODE 122.10 IS CODE = 6 Ur » » >COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA « «< 4,. UPSTREAM ELEVATION = 1296.00 DOWNSTREAM ELEVATION = 1295.00 STREET LENGTH(FEET) = 320.00 CURB HEIGTH(INCHES) = 8. ,.. STREET HALFWIDTH(FEET) = 32.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 24.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 30 4 .55 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) = .76 , HALFSTREET FLOODWIDTH(FEET) = 24.13 AVERAGE FLOW VELOCITY(FEET /SEC.) = 2.31 «•. PRODUCT OF DEPTH &VELOCITY = 1.76 STREETFLOW TRAVELTIME(MIN) = 2.31 TC(MIN) = 21.39 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.128 SOIL CLASSIFICATION IS "A" wr 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 TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 30.55 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .76 HALFSTREET FLOODWIDTH(FEET) = 24.13 FLOW VELOCITY(FEET /SEC.) = 2.31 DEPTH *VELOCITY = 1.76 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 122.00 TO NODE 122.10 IS CODE = 8 00 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< arr 9 r mm um 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.128 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 27.83 EFFECTIVE AREA(ACRES) = 40.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 40.00 PEAK FLOW RATE(CFS) = 55.66 TC(MIN) = 21.39 amo **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 122.10 TO NODE 123.10 IS CODE = 3 wr » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< ""' » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) ««< rrr DEPTH OF FLOW IN 36.0 INCH PIPE IS 28.5 INCHES oft PIPEFLOW VELOCITY(FEET /SEC.) = 9.3 UPSTREAM NODE ELEVATION = 1295.00 DOWNSTREAM NODE ELEVATION = 1290.00 FLOWLENGTH(FEET) = 640.00 MANNINGS N = .013 ,m ESTIMATED PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 55.66 TRAVEL TIME(MIN.) = 1.15 TC(MIN.) = 22.54 mm **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 123.00 TO NODE 123.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.062 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 �- SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 53.28 EFFECTIVE AREA(ACRES) = 80.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 80.00 PEAK FLOW RATE(CFS) = 106.57 TC(MIN) = 22.54 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** .mr FLOW PROCESS FROM NODE 123.10 TO NODE 124.10 IS CODE = 3 mm » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< WI » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 54.0 INCH PIPE IS 44.0 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 7.7 UPSTREAM NODE ELEVATION = 1290.00 m• DOWNSTREAM NODE ELEVATION = 1288.00 FLOWLENGTH(FEET) = 640.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 54.00 NUMBER OF PIPES = 1 .r 10 o r or or PIPEFLOW THRU SUBAREA(CFS) = 106.57 TRAVEL TIME(MIN.) = 1.39 TC(MIN.) = 23.93 rr **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** "* FLOW PROCESS FROM NODE 124.00 TO NODE 124.10 IS CODE = 8 oro » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< or 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.989 or SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 50.67 ■r EFFECTIVE AREA(ACRES) = 120.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 120.00 PEAK FLOW RATE(CFS) = 152.01 TC(MIN) = 23.93 oft ..� **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 124.10 TO NODE 124.10 IS CODE = 1 e ,,, » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE« «< » » >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES « «< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 23.93 RAINFALL INTENSITY (INCH. /HOUR) = 1.99 EFFECTIVE STREAM AREA(ACRES) = 120.00 TOTAL STREAM AREA(ACRES) = 120.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 152.01 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) ... 1 279.20 27.02 1.850 .58 184.90 2 152.01 23.93 1.989 .58 120.00 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. Ala SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) or 1 416.13 304.90 or 2 426.56 283.79 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: or PEAK FLOW RATE(CFS) = 426.56 TIME(MINUTES) = 23.931 EFFECTIVE AREA(ACRES) = 283.79 TOTAL AREA(ACRES) = 308.50 ro **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** +rr 11 WV MI W FLOW PROCESS FROM NODE 124.10 TO NODE 124.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 23.93 RAINFALL INTENSITY (INCH. /HOUR) = 1.99 EFFECTIVE STREAM AREA(ACRES) = 283.79 TOTAL STREAM AREA(ACRES) = 308.50 PEAK FLOW RATE(CFS) AT CONFLUENCE = 426.56 wrr **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 410 FLOW PROCESS FROM NODE 129.10 TO NODE 129.10 IS CODE = 7 N. » » >USER SPECIFIED HYDROLOGY INFORMATION AT NODE««< USER - SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 24.17 RAIN INTENSITY(INCH /HOUR) = 1.98 EFFECTIVE AREA(ACRES) = 37.60 TOTAL AREA(ACRES) = 37.60 PEAK FLOW RATE(CFS) = 66.10 AVERAGED LOSS RATE, Fm(IN /HR) = .582 AO **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ,R. FLOW PROCESS FROM NODE 129.10 TO NODE 124.10 IS CODE = 6 » » >COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA « «< 'w UPSTREAM ELEVATION = 1334.00 DOWNSTREAM ELEVATION = 1288.00 STREET LENGTH(FEET) = 1750.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 20.00 w DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 12.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 "" * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 66.10 ** *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) = .71 HALFSTREET FLOODWIDTH(FEET) = 20.00 AVERAGE FLOW VELOCITY(FEET /SEC.) = 6.15 *A PRODUCT OF DEPTH &VELOCITY = 4.35 STREETFLOW TRAVELTIME(MIN) = 4.74 TC(MIN) = 28.91 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.776 mm SOIL CLASSIFICATION IS "A" 9 "' RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 mm 12 rrr , SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 WM EFFECTIVE AREA(ACRES) = 37.60 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 37.60 PEAK FLOW RATE(CFS) = 66.10 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .71 HALFSTREET FLOODWIDTH(FEET) = 20.00 FLOW VELOCITY(FEET /SEC.) = 6.15 DEPTH *VELOCITY = 4.35 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 124.10 TO NODE 124.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 28.91 RAINFALL INTENSITY (INCH. /HOUR) = 1.78 EFFECTIVE STREAM AREA(ACRES) = 37.60 .,,. TOTAL STREAM AREA(ACRES) = 37.60 PEAK FLOW RATE(CFS) AT CONFLUENCE = 66.10 tes '"' **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 124.10 TO NODE 24.10 IS CODE = 7 » » >USER SPECIFIED HYDROLOGY INFORMATION AT NODE««< USER - SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 24.34 RAIN INTENSITY(INCH /HOUR) = 1.97 EFFECTIVE AREA(ACRES) = 36.50 TOTAL AREA(ACRES) = 36.50 PEAK FLOW RATE(CFS) = 63.90 AVERAGED LOSS RATE, Fm(IN /HR) = .582 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** .,. FLOW PROCESS, FROM NODE 124.10 TO NODE 124.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE« «< » » >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES « «< se CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: TIME OF CONCENTRATION(MINUTES) = 24.34 RAINFALL INTENSITY (INCH. /HOUR) = 1.97 ar► EFFECTIVE STREAM AREA(ACRES) = 36.50 TOTAL STREAM AREA(ACRES) = 36.50 PEAK FLOW RATE(CFS) AT CONFLUENCE = 63.90 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 426.56 23.93 1.989 .58 283.79 2 66.10 28.91 1.776 .58 37.60 3 63.90 24.34 1.969 .58 36.50 13 UW RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 3 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) mum 1 554.78 350.80 2 482.97 357.89 ,�. 3 549.01 351.94 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: am PEAK FLOW RATE(CFS) = 554.78 TIME(MINUTES) = 23.931 EFFECTIVE AREA(ACRES) = 350.80 TOTAL AREA(ACRES) = 382.60 err .m **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 124.10 TO NODE 450.10 IS CODE = 3 p orn » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA ««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) ««< hem DEPTH OF FLOW IN 75.0 INCH PIPE IS 58.9 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 21.5 UPSTREAM NODE ELEVATION = 1288.00 DOWNSTREAM NODE ELEVATION = 1273.00 FLOWLENGTH(FEET) = 950.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 75.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 554.78 mph TRAVEL TIME(MIN.) = .74 TC(MIN.) = 24.67 him **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 450.00 TO NODE 450.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.954 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA AREA(ACRES) = 16.40 SUBAREA RUNOFF(CFS) = 20.24 ar EFFECTIVE AREA(ACRES) = 367.20 AVERAGED Fm(INCH /HR) = .582 ** TOTAL AREA(ACRES) = 399.00 PEAK FLOW RATE(CFS) = 554.78 TC(MIN) = 24.67 mm +rr **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 450.10 TO NODE 450.10 IS CODE = 1 w E,,, » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE« «< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 24.67 is RAINFALL INTENSITY (INCH. /HOUR) = 1.95 14 EFFECTIVE STREAM AREA(ACRES) = 367.20 TOTAL STREAM AREA(ACRES) = 399.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 554.78 ew m• **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 450.10 TO NODE 450.10 IS CODE = 7 .. » » >USER SPECIFIED HYDROLOGY INFORMATION AT NODE ««< USER - SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 25.13 RAIN INTENSITY(INCH /HOUR) = 1.93 EFFECTIVE AREA(ACRES) = 5.00 wr TOTAL AREA(ACRES) = 5.00 PEAK FLOW RATE(CFS) = 25.13 AVERAGED LOSS RATE, Fm(IN /HR) = .582 'rr **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** eft FLOW PROCESS FROM NODE 450.10 TO NODE 450.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE« «< » » >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES ««< eft CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 25.13 .•. RAINFALL INTENSITY (INCH. /HOUR) = 1.93 EFFECTIVE STREAM AREA(ACRES) = 5.00 TOTAL STREAM AREA(ACRES) = 5.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 25.13 mos CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE *"` NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 554.78 24.67 1.954 .58 367.20 ..,. 2 25.13 25.13 1.932 .58 5.00 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 579.85 372.11 2 571.18 372.20 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 579.85 TIME(MINUTES) = 24.669 ++� EFFECTIVE AREA(ACRES) = 372.11 TOTAL AREA(ACRES) = 404.00 +rr **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 450.10 TO NODE 452.10 IS CODE = 4 » » > COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< W 15 to e.w to » » >USING USER - SPECIFIED PIPESIZE « «< to PIPEFLOW VELOCITY(FEET /SEC.) = 16.2 UPSTREAM NODE ELEVATION = 1273.00 DOWNSTREAM NODE ELEVATION = 1266.00 FLOWLENGTH(FEET) = 1500.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 81.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 579.85 TRAVEL TIME(MIN.) = 1.54 TC(MIN.) = 26.21 +r **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 452.00 TO NODE 452.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « ot 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.884 +� SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 38.80 SUBAREA RUNOFF(CFS) = 45.46 to EFFECTIVE AREA(ACRES) = 410.91 AVERAGED Fm(INCH /HR) = .582 '"" TOTAL AREA(ACRES) = 442.80 .�, PEAK FLOW RATE(CFS) = 579.85 TC(MIN) = 26.21 '. **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 452.10 TO NODE 452.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE ««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 26.21 RAINFALL INTENSITY (INCH. /HOUR) = 1.88 ,., EFFECTIVE STREAM AREA(ACRES) = 410.91 TOTAL STREAM AREA(ACRES) = 442.80 PEAK FLOW RATE(CFS) AT CONFLUENCE = 579.85 rr, **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 452.10 TO NODE 452.10 IS CODE = 7 » » >USER SPECIFIED HYDROLOGY INFORMATION AT NODE « «< USER - SPECIFIED VALUES ARE AS FOLLOWS: Es TC(MIN) = 27.11 RAIN INTENSITY(INCH /HOUR)= 1.85 is EFFECTIVE AREA(ACRES) = 12.20 TOTAL AREA(ACRES) = 12.20 PEAK FLOW RATE(CFS) = 19.60 ""' AVERAGED LOSS RATE, Fm(IN /HR) = .582 dW **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** Odd FLOW PROCESS FROM NODE 452.10 TO NODE 452.10 IS CODE = 1 to ✓ r to 16 wr - 1' » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< » » >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES« «< so er CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 27.11 RAINFALL INTENSITY (INCH. /HOUR) = 1.85 EFFECTIVE STREAM AREA(ACRES) = 12.20 TOTAL STREAM AREA(ACRES) = 12.20 os PEAK FLOW RATE(CFS) AT CONFLUENCE = 19.60 "" CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) so 1 579.85 26.21 1.884 .58 410.91 2 19.60 27.11 1.846 .58 12.20 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) ,,,/ 1 599.36 422.70 2 582.65 423.11 ... COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 599.36 TIME(MINUTES) = 26.212 EFFECTIVE AREA(ACRES) = 422.70 TOTAL AREA(ACRES) = 455.00 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 452.10 TO NODE 453.10 IS CODE = 4 » » > COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< » » >USING USER - SPECIFIED PIPESIZE««< DEPTH OF FLOW IN 81.0 INCH PIPE IS 57.7 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 22.0 '° UPSTREAM NODE ELEVATION = 1266.00 „ DOWNSTREAM NODE ELEVATION = 1251.00 FLOWLENGTH(FEET) = 980.00 MANNINGS N = .013 �,. GIVEN PIPE DIAMETER(INCH) = 81.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 599.36 s" TRAVEL TIME(MIN.) = .74 TC(MIN.) = 26.96 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 453.00 TO NODE 453.10 IS CODE = 8 s* » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< so 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.852 SOIL CLASSIFICATION IS "A" "" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 os WO 17 *r SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 11.43 EFFECTIVE AREA(ACRES) = 432.70 AVERAGED Fm(INCH/HR) = .582 MO TOTAL AREA(ACRES) = 465.00 PEAK FLOW RATE(CFS) = 599.36 '" TC(MIN) = 26.96 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 453.10 TO NODE 456.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) ««< 40 DEPTH OF FLOW IN 81.0 INCH PIPE IS 61.1 INCHES "" PIPEFLOW VELOCITY(FEET /SEC.) = 20.7 UPSTREAM NODE ELEVATION = 1251.00 DOWNSTREAM NODE ELEVATION = 1229.00 FLOWLENGTH(FEET) = 1650.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 81.00 NUMBER OF PIPES = 1 40 PIPEFLOW THRU SUBAREA(CFS) = 599.36 TRAVEL TIME(MIN.) = 1.33 TC(MIN.) = 28.29 +rr **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 456.00 TO NODE 456.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.800 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA AREA(ACRES) = 24.00 SUBAREA RUNOFF(CFS) = 26.30 EFFECTIVE AREA(ACRES) = 456.70 AVERAGED Fm(INCH/HR) = .582 .�- TOTAL AREA(ACRES) = 489.00 PEAK FLOW RATE(CFS) = 599.36 TC(MIN) = 28.29 w. **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 457.00 TO NODE 456.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.800 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 26.00 SUBAREA RUNOFF(CFS) = 28.49 EFFECTIVE AREA(ACRES) = 482.70 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 515.00 «U. PEAK FLOW RATE(CFS) = 599.36 rr TC(MIN) = 28.29 �"' 18 ar - VW **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 456.10 TO NODE 456.10 IS CODE = 1 wrr » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< » » >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES« «< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 28.29 RAINFALL INTENSITY (INCH. /HOUR) = 1.80 "' EFFECTIVE STREAM AREA(ACRES) = 482.70 TOTAL STREAM AREA(ACRES) = 515.00 'v" PEAK FLOW RATE(CFS) AT CONFLUENCE = 599.36 rerr CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1111 1 599.36 28.29 1.800 .58 482.70 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 1 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 599.36 482.70 r" COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 599.36 TIME(MINUTES) = 28.285 EFFECTIVE AREA(ACRES) = 482.70 TOTAL AREA(ACRES) = 515.00 END OF STUDY SUMMARY: TOTAL AREA(ACRES) = 515.00 EFFECTIVE AREA(ACRES) = 482.70 PEAK FLOW RATE(CFS) = 599.36 END OF RATIONAL METHOD ANALYSIS rag la mm rr�r 19 m e******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 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 ms************************** DESCRIPTION OF STUDY * * * * * * * * * * * * * * * * * * * * * * * * ** * N.FONTANA MASTER S.D PLAN,WEST FONTANA CHANNEL LATERAL 5,WEST OF CITRUS * '""k Q 25 YR, NOT FOR DESIGN Q mo k VENKI.N, JN 3547, 5/1/89 ******************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FILE NAME: WFONLAT5.025 'w TIME /DATE OF STUDY: 13:15 5/ 1/1989 '" USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: ar -- *TIME -OF- CONCENTRATION MODEL*- - USER SPECIFIED STORM EVENT(YEAR) = 25.00 +o SPECIFIED MINIMUM PIPE SIZE(INCH) = 18.00 SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE = .95 406 *USER- DEFINED LOGARITHMIC INTERPOLATION USED FOR RAINFALL* 10 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = .970 ON 100 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.470 COMPUTED RAINFALL INTENSITY DATA: STORM EVENT = 25.00 1 -HOUR INTENSITY(INCH /HOUR) = 1.1461 . 'LOPE OF INTENSITY DURATION CURVE = .6000 vmm**************************************************************************** FLOW PROCESS FROM NODE 125.00 TO NODE 125.01 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 = 1395.00 Aim DOWNSTREAM ELEVATION = 1375.00 ELEVATION DIFFERENCE = 20.00 ,.. TC = .412 *[( 1000.00 ** 3.00)/( 20.00)] ** .20 = 14.279 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.712 a SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 "" SUBAREA RUNOFF(CFS) = 14.38 • TOTAL AREA(ACRES) = 7.50 PEAK FLOW RATE(CFS) = 14.38 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** is FLOW PROCESS FROM NODE 125.01 TO NODE 126.01 IS CODE = 5 a » »COMPUTE TRAPEZOIDAL- CHANNEL FLOW««< , » »TRAVELTIME THRU SUBAREA « «< UPSTREAM NODE ELEVATION = 1375.00 DOWNSTREAM NODE ELEVATION = 1355.00 "r CHANNEL LENGTH THRU SUBAREA(FEET) = 1000.00 ,. CHANNEL BASE(FEET) = 3.00 "Z" FACTOR = 2.000 MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEE) = 2.00 CHANNEL FLOW THRU SUBAREA(CFS) = 14.38 'LOW VELOCITY(FEET /SEC) = 4.38 FLOW DEPTH(FEET) = .73 ..RAVEL TIME(MIN.) = 3.80 TC(MIN.) = 18.08 UN ■, ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ot FLOW PROCESS FROM NODE 126.00 TO NODE 126.01 IS CODE = 8 »» >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< to 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.354 SOIL CLASSIFICATION IS "A" to RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA AREA(ACRES) = 7.50 SUBAREA RUNOFF(CFS) = 11.96 w EFFECTIVE AREA(ACRES) = 15.00 AVERAGED Fm(INCH /HR) = .582 "" TOTAL AREA(ACRES) = 15.00 PEAK FLOW RATE(CFS) = 23.92 TC(MIN) = 18.08 .+********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 126.01 TO NODE 126.10 IS CODE = 5 »» > COMPUTE TRAPEZOIDAL- CHANNEL FLOW««< » » > TRAVELTIME THRU SUBAREA« «< UPSTREAM NODE ELEVATION = 1355.00 �++ DOWNSTREAM NODE ELEVATION = 1342.00 .:HANNEL LENGTH THRU SUBAREA(FEET) = 650.00 "" CHANNEL BASE(FEET) = 3.00 "Z" FACTOR = 2.000 MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 2.00 CHANNEL FLOW THRU SUBAREA(CFS) = 23.92 - FLOW VELOCITY(FEET /SEC) = 5.11 FLOW DEPTH(FEET) = .95 TRAVEL TIME(MIN.) = 2.12 TC(MIN.) = 20.20 .,.********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 125.12 TO NODE 126.10,IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< to 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.202 SOIL CLASSIFICATION IS "A" �. RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA AREA(ACRES) = 5.00 SUBAREA RUNOFF(CFS) = 7.29 EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH/HR) = .582 • TOTAL AREA(ACRES) = 20.00 rr PEAK FLOW RATE(CFS) = 29.17 TC(MIN) = 20.20 to . r********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS'FROM NODE 126.10 TO NODE 127.10 IS CODE = 6 >» »COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA« «< to UPSTREAM ELEVATION = 1342.00 DOWNSTREAM ELEVATION = 1341.00 STREET LENGTH(FEET) = 350.00 CURB HEIGTH(INCHES) = 8. to +iw STREET HALFWIDTH(FEET) = 20.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAI< = 12.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 1 UTSIDE STREET CROSSFALL(DECIMAL) = .040 „ SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 ,., * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 29.17 ** *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. 4114 STREET FLOWDEPTH(FEET) = .75 HALFSTREET FLOODWIDTH(FEET) = 20.00 AVERAGE FLOW VELOCITY(FEET /SEC.) = 2.37 PRODUCT OF DEPTH &VELOCITY = 1.77 "" STREETFLOW TRAVELTIME(MIN) = 2.46 TC(MIN) = 22.66 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.056 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 m SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 EFFECTIVE AREA(ACRES) = 20.00 *■ AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 29.17 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .75 HALFSTREET FLOODWIDTH(FEET) = 20.00 FLOW VELOCITY(FEET /SEC.) = 2.37 DEPTH *VELOCITY = 1.77 .********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 127.00 TO NODE 127.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.056 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 26.52 "mi‘ EFFECTIVE AREA(ACRES) = 40.00 AVERAGED Fm(INCH/HR) = .582 - TOTAL AREA(ACRES) = 40.00 , PEAK FLOW RATE(CFS) = 53.05 TC(MIN) = 22.66 - ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 127.10 TO NODE 128.10 IS CODE = 3 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< » »> USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) «« < DEPTH OF FLOW IN 39.0 INCH PIPE IS 29.3 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 7.9 UPSTREAM NODE ELEVATION = 1341.00 OWNSTREAM NODE ELEVATION = 1337.50 FLOWLENGTH(FEET) = 670.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 39.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 53.05 TRAVEL TIME(MIN.) = 1.41 TC(MIN.) = 24.07 ow *********************************************' * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 128.21 TO NODE 128.10 IS CODE = 8 • -» »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< ei 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.983 a.• SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 50.42 EFFECTIVE AREA(ACRES) = 80.00 AVERAGED Fm(INCH /HR) = .582 trir TOTAL AREA(ACRES) = 80.00 PEAK FLOW RATE(CFS) = 100.85 - TC(MIN) = 24.07 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** "' FLOW PROCESS FROM NODE 128.10 TO NODE 129.10 IS CODE = 3 us » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA ««< m » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< 11 ' DEPTH OF FLOW IN 48.0 INCH PIPE IS 39.2 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 9.2 ®_ UPSTREAM NODE ELEVATION = 1337.50 s ,,,, DOWNSTREAM NODE ELEVATION = 1334.00 FLOWLENGTH(FEET) = 670.00 MANNINGS N = .013 _ ESTIMATED PIPE DIAMETER(INCH) = 48.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 100.85 'RAVEL TIME(MIN.) = 1.22 TC(MIN.) = 25.29 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 129.00 TO NODE 129.10 IS CODE = 8 » »> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.925 - SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 48.34 EFFECTIVE AREA(ACRES) = 120.00 .. AVERAGED Fm (INCH /HR) = . 582 / 00 2 1� CPS, Q,O�_ j = ( o c �s it TOTAL AREA(ACRES) = 120.00 i PyJ" vGt`r( Av - ?�. 6A�.� , ioo 2a - 1 'Y'' ^•. PEAK FLOW RATE(CFS) = 145.03 F ^^ ; O' 5 s 2 ■• TC(MIN) = 25.29 as ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 129.10 TO NODE 124.10 IS CODE = 3 air » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< �., »» >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< 'r' DEPTH OF FLOW IN 45.0 INCH PIPE IS 35.1 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 15.7 " PSTREAM NODE ELEVATION = 1334.00 as DOWNSTREAM NODE ELEVATION = 1288.00 FLOWLENGTH(FEET) = 2750.00 MANNINGS N = .013 .,, ESTIMATED PIPE DIAMETER(INCH) = 45.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 145.03 rrr ror TRAVEL TIME(MIN.) = 2.92 TC(MIN.) = 28.20 ' rr ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 'LOW PROCESS FROM NODE 124.10 TO NODE 124.10 IS CODE = 1 m »» >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< *■ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 28.20 mg RAINFALL INTENSITY (INCH. /HOUR) = 1.80 EFFECTIVE STREAM AREA(ACRES) = 120.00 TOTAL STREAM AREA(ACRES) = 120.00 r PEAK FLOW RATE(CFS) AT CONFLUENCE = 145.03 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** mg FLOW PROCESS FROM NODE 120.00 TO NODE 120.01 IS CODE = 2 » » >RATIONAL METHOD INITIAL SUBAREA ANALYSIS ««< as . 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 = 1344.00 - DOWNSTREAM ELEVATION = 1325.00 m , ELEVATION DIFFERENCE = 19.00 TC = .412 *[( 1000.00 ** 3.00)/( 19.00)] ** .20 = 14.426 ,., 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.695 SOIL CLASSIFICATION IS "A" ""' '.ESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 . SUBAREA RUNOFF(CFS) = 14.27 TOTAL AREA(ACRES) = 7.50 PEAK FLOW RATE(CFS) = 14.27 nww ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** CiA FLOW PROCESS FROM NODE 120.01 TO NODE 120.02 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL- CHANNEL FLOW « «< "` » » >TRAVELTIME THRU SUBAREA««< r ` UPSTREAM NODE ELEVATION = 1325.00 .. DOWNSTREAM NODE ELEVATION = 1308.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1000.00 •e CHANNEL BASE(FEET) = 3.00 "Z" FACTOR = 2.000 MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 2.00 a CHANNEL FLOW THRU SUBAREA(CFS) = 14.27 FLOW VELOCITY(FEET /SEC) = 4.35 FLOW DEPTH(FEET) = .73 mr TRAVEL TIME(MIN.) = 3.83 TC(MIN.) = 18.26 m ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 120.12 TO NODE 120.02 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.340 °"0 . OIL CLASSIFICATION IS "A" a „ RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 7.50 SUBAREA RUNOFF(CFS) = 11.87 a ., EFFECTIVE AREA(ACRES) = 15.00 AVERAGED Fm(INCH /HR) = .582 am MA TOTAL AREA(ACRES) = 15.00 444 PEAK FLOW RATE(CFS) = 23.73 TC(MIN) = 18.26 " ************************************************************************* No FLOW PROCESS FROM NODE 120.02 TO NODE 121.10 IS CODE = 5 m >»»COMPUTE TRAPEZOIDAL-CHANNEL FLOW«<<< >>>>>TRAVELTIME THRU SUBAREA<<<<< UPSTREAM NODE ELEVATION = 1308.00 "" DOWNSTREAM NODE ELEVATION = 1296.00 is CHANNEL LENGTH THRU SUBAREA(FEET) = 320.00 CHANNEL BASE(FEET) = 3.00 "Z" FACTOR = 2.000 • MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 2.00 CHANNEL FLOW THRU SUBAREA(CFS) = 23.73 lo FLOW VELOCITY(FEET/SEC) = 6.48 FLOW DEPTH(FEET) = .80 TRAVEL TIME(MIN.) = .82 TC(MIN.) = 19.08 4M **************************************************************************** FLOW PROCESS FROM NODE 121.00 TO NODE 121.10 IS CODE = 8 we >»»ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< ▪ 25 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.279 SOIL CLASSIFICATION IS "A" se RESIDENTIAL-> 3-4 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA AREA(ACRES) = 5.00 SUBAREA RUNOFF(CFS) = 7.64 EFFECTIVE AREA(ACRES) = 20.00 • \VERAGED Fm(INCH/HR) = .582 20TAL AREA(ACRES) = 20.00 - PEAK FLOW RATE(CFS) = 30.55 TC(MIN) = 19.08 **************************************************************************** m FLOW PROCESS FROM NODE 121.10 TO NODE 122.10 IS CODE = 6 >>>>>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA<<<<< - UPSTREAM ELEVATION = 1296.00 DOWNSTREAM ELEVATION = 1295.00 STREET LENGTH(FEET) = 320.00 CURB HEIGTH(INCHES) = 8. - STREET HALFWIDTH(FEET) = 32.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 24.00 m INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 MO **TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 30.55 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) = .76 HALFSTREET FLOODWIDTH(FEET) = 24.13 AVERAGE FLOW VELOCITY(FEET/SEC.) = 2.31 PRODUCT OF DEPTH&VELOCITY = 1.76 STREETFLOW TRAVELTIME(MIN) = 2.31 TC(MIN) = 21.39 gift de On 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.128 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 'UBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 " AFFECTIVE AREA(ACRES) = 20.00 i „ AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 30.55 m END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .76 HALFSTREET FLOODWIDTH(FEET) = 24.13 f1D FLOW VELOCITY(FEET /SEC.) = 2.31 DEPTH *VELOCITY = 1.76 4m m ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 122.00 TO NODE 122.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.128 ""' SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 27.83 EFFECTIVE AREA(ACRES) = 40.00 AVERAGED Fm(INCH /HR) = .582 m TOTAL AREA(ACRES) = 40.00 PEAK FLOW RATE(CFS) = 55.66 • TC(MIN) = 21.39 "r ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 122.10 TO NODE 123.10 IS CODE = 3 ■r >» »COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA ««< *■ » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) «« < DEPTH OF FLOW IN 36.0 INCH PIPE IS 28.5 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 9.3 UPSTREAM NODE ELEVATION = 1295.00 - DOWNSTREAM NODE ELEVATION = 1290.00 FLOWLENGTH(FEET) = 640.00 MANNINGS N = .013 •• ESTIMATED PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 55.66 "" TRAVEL TIME(MIN.) = 1.15 TC(MIN.) = 22.54 aw ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 122.10 TO NODE 123.10 IS CODE = 3 » » > COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« « < • » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) «« < " DEPTH OF FLOW IN 36.0 INCH PIPE IS 28.5 INCHES "r PIPEFLOW VELOCITY(FEET /SEC.) = 9.3 UPSTREAM NODE ELEVATION = 1295.00 • DOWNSTREAM NODE ELEVATION = 1290.00 FLOWLENGTH(FEET) = 640.00 MANNINGS N = .013 m ESTIMATED PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 55.66 'ms RAVEL TIME(MIN.) = 1.15 TC(MIN.) = 23.69 al ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** am FLOW PROCESS FROM NODE 123.00 TO NODE 123.10 IS CODE = 8 mot m » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 0 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.001 'OIL CLASSIFICATION IS "A" _ :ESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 m SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 51.10 EFFECTIVE AREA(ACRES) = 80.00 m AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 80.00 di PEAK ' FLOW RATE(CFS) = 102.20 TC(MIN) = 23.69 40 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ,., FLOW PROCESS FROM NODE 123.10 TO NODE 124.10 IS CODE = 3 f0 » »> COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< »» >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) «« < w DEPTH OF FLOW IN 54.0 INCH PIPE IS 42.2 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 7.7 M UPSTREAM NODE ELEVATION = 1290.00 DOWNSTREAM NODE ELEVATION = 1288.00 er FLOWLENGTH(FEET) = 640.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 54.00 NUMBER OF PIPES = 1 "" PIPEFLOW THRU SUBAREA(CFS) = 102.20 TRAVEL TIME(MIN.) = 1.39 TC(MIN.) = 25.09 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 124.00 TO NODE 124.10 IS CODE = 8 »» >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.934 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 m• SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 48.67 EFFECTIVE AREA(ACRES) = 120.00 0 too - 209 -9 CFS 6),00_2S = � 3 -9 c�S AVERAGED Fm(INCH/HR) = .582 " TOTAL AREA(ACRES) = 120.00 `° - vcrars d_ :4/_ : 36• s A Crc , 2:f -3=+ r ,►,+ *I. PEAK FLOW RATE(CFS) = 146.02 TC (MIN) = 25.09 gio err ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** w. FLOW PROCESS FROM NODE 124.10 TO NODE 124.10 IS CODE = 1 ew » »>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE« «< » » >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES« « < dig CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 25.09 ,,., RAINFALL INTENSITY (INCH. /HOUR) = 1.93 EFFECTIVE STREAM AREA(ACRES) = 120.00 m TOTAL STREAM AREA(ACRES) = 120.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 146.02 go :: ONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) err sm 1 145.03 28.20 1.803 .58 120.00 .A 2 146.02 25.09 1.934 .58 120.00 rer RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO 'ONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: err STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) mr 1 276.88 240.00 a ' 2 288.89 226.74 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: in PEAK FLOW RATE(CFS) = 288.89 TIME(MINUTES) = 25.085 do EFFECTIVE AREA(ACRES) = 226.74 TOTAL AREA(ACRES) = 240.00 r.. ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 124.10 TO NODE 450.10 IS CODE = 3 ow »» >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »» >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « « < DEPTH OF FLOW IN 60.0 INCH PIPE IS 44.7 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 18.4 UPSTREAM NODE ELEVATION = 1288.00 "' DOWNSTREAM NODE ELEVATION = 1273.00 ow FLOWLENGTH(FEET) = 950.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 60.00 NUMBER OF PIPES = 1 MAO PIPEFLOW THRU SUBAREA(CFS) = 288.89 TRAVEL TIME(MIN.) = .86 TC(MIN.) = 25.95 ..********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ow FLOW PROCESS FROM NODE 450.00 TO NODE 450.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.895 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 16.40 SUBAREA RUNOFF(C'S) = 19.38 EFFECTIVE AREA(ACRES) = 243.14 8 arec 27- AVERAGED Fm(INCH/HR) = .582 �'�- �'� ° ° -zs = TOTAL AREA(ACRES) = 256.40 P yJ - VLr4 er PEAK FLOW RATE(CFS) = 288.89 ,0 . s g� TC(MIN) = 25.95 om 1 gm ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 450.10 TO NODE 452.10 IS CODE = 3 is » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 75.0 INCH PIPE IS 56.6 INCHES ie PIPEFLOW VELOCITY(FEET /SEC.) = 11.6 UPSTREAM NODE ELEVATION = 1273.00 OWNSTREAM NODE ELEVATION = 1266.00 w ,, fLOWLENGTH(FEET) = 1500.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 75.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 288.89 TRAVEL TIME(MIN.) = 2.15 TC(MIN.) = 28.10 w *********************************************' * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** °Y" FLOW PROCESS FROM NODE 452.00 TO NODE 452.10 IS CODE = 8 ee » »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< we 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.807 N. SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 "" SUBAREA AREA(ACRES) = 38.80 SUBAREA RUNOFF(CFS) = 42.77 EFFECTIVE AREA(ACRES) = 281.94 Q 6 z• 36 c Qi°° -Zz z. 19.6 cFs • AVERAGED Fm(INCH /HR) = .582 ' °° _ so TOTAL AREA(ACRES) = 295.20 �' " ^ rte "` - �� �`' CTS), °° 27 M�" PEAK FLOW RATE(CFS) = 310.81 „ . 0.5E2 .a. TC(MIN) = 28.10 a. ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 40 ' FLOW PROCESS FROM NODE 452.10 TO NODE 453.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< own » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 60.0 INCH PIPE IS 48.6 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 18.2 Am UPSTREAM NODE ELEVATION = 1266.00 DOWNSTREAM NODE ELEVATION = 1251.00 FLOWLENGTH(FEET) = 980.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 60.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 310.81 .® "RAVEL TIME(MIN.) = .90 TC(MIN.) = 28.99 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** I`" FLOW PROCESS FROM NODE 453.00 TO NODE 453.10 IS CODE = 8 » »> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.773 .- SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 ". SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 10.72 EFFECTIVE AREA(ACRES) = 291.94 - AVERAGED Fm(INCH /HR) = .582 .. TOTAL AREA(ACRES) = 305.20 PEAK FLOW RATE(CFS) = 312.97 .. TC(MIN) = 28.99 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** '"" FLOW PROCESS FROM NODE 453.10 TO NODE 456.10 IS CODE = 3 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA«« < » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< me DEPTH OF FLOW IN 63.0 INCH PIPE IS 48.4 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 17.5 '" 'PSTREAM NODE ELEVATION = 1251.00 DOWNSTREAM NODE ELEVATION = 1229.00 se FLOWLENGTH(FEET) = 1650.00 MANNINGS N = .013 • ESTIMATED PIPE DIAMETER(INCH) = 63.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 312.97 tir - rr TRAVEL TIME(MIN.) = 1.57 TC(MIN.) = 30.56 " ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 'LOW PROCESS FROM NODE 456.00 TO NODE 456.10 IS CODE = 8 m » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< ws 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.718 SOIL CLASSIFICATION IS "A" r RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA AREA(ACRES) = 24.00 SUBAREA RUNOFF(CFS) = 24.54 ▪ EFFECTIVE AREA(ACRES) = 315.94 • AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 329.20 SIR PEAK FLOW RATE(CFS) = 323.01 TC(MIN) = 30.56 OM k******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ,g, FLOW PROCESS FROM NODE 457.00 TO NODE 456.10 IS CODE = 8 m » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< "" 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.718 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 „ SUBAREA AREA(ACRES) = 26.00 SUBAREA RUNOFF(CFS) = 26.58 EFFECTIVE AREA(ACRES) = 341.94 .,., AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 355.20 'EAK FLOW RATE(CFS) = 349.59 2C(MIN) = 30.56 vim ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 456.10 TO NODE 456.10 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) = 30.56 RAINFALL INTENSITY (INCH. /HOUR) = 1.72 EFFECTIVE STREAM AREA(ACRES) = 341.94 or TOTAL STREAM AREA(ACRES) = 355.20 PEAK FLOW RATE(CFS) AT CONFLUENCE = 349.59 CONFLUENCE INFORMATION: ▪ STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) arr 1 349.59 30.56 1.718 .58 341.94 m RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 1 STREAMS. m SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE '" UMBER Q(CFS) AREA(ACRES) r - ' 1 349.59 341.94 , COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 349.59 TIME(MINUTES) = 30.561 rr . m m EFFECTIVE AREA(ACRES) = 341.94 m TOTAL AREA(ACRES) = 355.20 m END OF STUDY SUMMARY: 'OTAL AREA(ACRES) = 355.20 m .FFECTIVE AREA(ACRES) = 341.94 • PEAK FLOW RATE(CFS) = 349.59 m END OF RATIONAL METHOD ANALYSIS m OM 00 tat 440 WM 100 AM Add 4144 4/1 AM MI 00 AM MA mo so me MI dild W VIM did ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 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 wir Especially prepared for: HALL & FOREMAN * * * * * * * * * * * * * * * * * * * * * * * * ** DESCRIPTION OF STUDY * * * * * * * * * * * * * * * * * * * * * * * * ** m* N.FONTANA MASTER S.D PLAN, W.FONTANA CHANNEL LATERAL 5,WEST OF CITRUS * Q 100 YR, NOT FOR DESIGN * VENKI.N, JN 3547, 5/23/89 ******************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** r FILE NAME: WFONLAT5.100 TIME /DATE OF STUDY: 14:34 5/23/1989 USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: ,00 -- *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) = .970 ■ * 100 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.470 ;OMPUTED RAINFALL INTENSITY DATA: STORM EVENT = 100.00 1 -HOUR INTENSITY(INCH /HOUR) = 1.4700 SLOPE OF INTENSITY DURATION CURVE = .6000 *..********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 125.00 TO NODE 125.01 IS CODE = 2 ... » »> RATIONAL METHOD INITIAL SUBAREA ANALYSIS « «< I " DEVELOPMENT :IS SINGLE FAMILY RESIDENTIAL -> 3 -4 DWELLINGS /ACRE TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 wr INITIAL SUBAREA FLOW - LENGTH = 1000.00 UPSTREAM ELEVATION = 1395.00 WI DOWNSTREAM ELEVATION = 1375.00 ELEVATION DIFFERENCE = 20.00 TC = .412 *[( 1000.00 ** 3.00)/( 20.00)] ** .20 = 14.279 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.479 SOIL CLASSIFICATION IS "A" m RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) _ .5820 SUBAREA RUNOFF(CFS) = 19.55 ""' TOTAL AREA(ACRES) = 7.50 PEAK FLOW RATE(CFS) = 19.55 % x******************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** +rr FLOW PROCESS FROM NODE 125.01 TO NODE 126.01 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL- CHANNEL FLOW««< » » >TRAVELTIME THRU SUBAREA« «< aw +mi UPSTREAM NODE ELEVATION = 1375.00 DOWNSTREAM NODE ELEVATION = 1355.00 ■r 'HANNEL LENGTH THRU SUBAREA(FEET) = 1000.00 CHANNEL BASE(FEET) = 3.00 "Z" FACTOR = 2.000 MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 2.00 I" CHANNEL FLOW THRU SUBAREA(CFS) = 19.55 FLOW VELOCITY(FEET /SEC) = 4.82 FLOW DEPTH(FEET) = .86 .. TRAVEL TIME(MIN..) = 3.46 TC(MIN.) = 17.74 • . ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 126.00 TO NODE 126.01 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< s" 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.054 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 • SUBAREA AREA(ACRES) = 7.50 SUBAREA RUNOFF(CFS) = 16.69 EFFECTIVE AREA(ACRES) = 15.00 • AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 15.00 ▪ PEAK FLOW RATE(CFS) = 33.37 TC(MIN) = 17.74 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** w" 7 LOW PROCESS FROM NODE 126.01 TO NODE 126.10 IS CCDE = 5 » »>COMPUTE TRAPEZOIDAL- CHANNEL FLOW« «< » »>TRAVELTIME THRU SUBAREA««< • UPSTREAM NODE ELEVATION = 1355.00 DOWNSTREAM NODE ELEVATION = 1342.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 650.00 ,.,. CHANNEL BASE(FEET) = 3.00 "Z" FACTOR = 2.000 MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 2.00 -- CHANNEL FLOW THRU SUBAREA(CFS) = 33.37 FLOW VELOCITY(FEET /SEC) = 5.76 FLOW DEPTH(FEET) = 1.11 TRAVEL TIME(MIN.) = 1.88 TC(MIN.) = 19.61 NW ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 125.12 TO NODE 126.10 IS CODE = 8 • » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< ,®. 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.875 SOIL CLASSIFICATION IS "A" • RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) _ .5820 SUBAREA AREA(ACRES) = 5.00 SUBAREA RUNOFF(CFS) = 10.32 • EFFECTIVE AREA(ACRES) = 20.00 .• AVERAGED Fm(INCH/HR) = .582 'OTAL AREA(ACRES) = 20.00 .lo PEAK FLOW RATE(CFS) = 41.28 TC(MIN) = 19.61 Nim ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** me FLOW PROCESS FROM NODE 126.10 TO NODE 127.10 IS CODE = 6 » »>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA« «< UPSTREAM ELEVATION = 1342.00 DOWNSTREAM ELEVATION = 1341.00 STREET LENGTH(FEET) = 350.00 CURB HEIGTH(INCHES) = 8. ow STREET HALFWIDTH(FEET) = 20.00 • DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 12.00 ,i, INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 OWN rr SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 41.28 ** *STREET FLOWING FULL * ** rr► 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) = .82 HALFSTREET FLOODWIDTH(FEET) = 20.00 air AVERAGE FLOW VELOCITY(FEET /SEC.) = 2.67 PRODUCT OF DEPTH &VELOCITY = 2.21 STREETFLOW TRAVELTIME(MIN) = 2.18 TC(MIN) = 21.80 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.699 MI R SOIL CLASSIFICATION IS "A" LESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 - EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(I:NCH /HR) = .582 "r ' TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 41.28 END OF SUBAREA STREETFLOW HYDRAULICS: - DEPTH(FEET) = .82 HALFSTREET FLOODWIDTH(FEET) = 20.00 • FLOW VELOCITY(FEET /SEC.) = 2.67 DEPTH *VELOCITY = 2.21 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** `"" FLOW PROCESS FROM NODE 127.00 TO NODE 127.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW«« < ta 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.699 "'"" SOIL CLASSIFICATION IS "A" ▪ RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 38.10 ,.,. EFFECTIVE AREA(ACRES) = 40.00 AVERAGED Fm(INCH /HR) = .582 4111 TOTAL AREA(ACRES) = 40.00 PEAK FLOW RATE(CFS) = 76.21 mo TC(MIN) = 21.80 .tr .■ xx******************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 127.10 TO NODE 128.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< » »> USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « « < up mm um DEPTH OF FLOW IN 45.0 INCH PIPE IS 33.2 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 8.7 ▪ PSTREAM NODE ELEVATION = 1341.00 DOWNSTREAM NODE ELEVATION = 1337.50 mum FLOWLENGTH(FEET) = 670.00 MANNINGS N = .013 +w ESTIMATED PIPE DIAMETER(INCH) = 45.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 76.21 TRAVEL TIME(MIN.) = 1.28 TC(MIN.) = 23.08 ar mm ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 128.21 TO NODE 128.10 IS CODE = 8 ow » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< w. 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.608 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 72.93 EFFECTIVE AREA(ACRES) = 80.00 ,,,", AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 80.00 "' PEAK FLOW RATE(CFS) = 145.87 TC(MIN) = 23.08 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** *• SLOW PROCESS FROM NODE 128.10 TO NODE 129.10 IS CODE = 3 4111 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA «« < » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « « < +a DEPTH OF FLOW IN 57.0 INCH PIPE IS 42.7 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 10.2 UPSTREAM NODE ELEVATION = 1337.50 m ,,, DOWNSTREAM NODE ELEVATION = 1334.00 FLOWLENGTH(FEET) = 670.00 MANNINGS N = .013 - ESTIMATED PIPE DIAMETER(INCH) = 57.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 145.87 ▪ TRAVEL TIME(MIN.) = 1.09 TC(MIN.) = 24.17 time ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 129.00 TO NODE 129.10 IS CODE = 8 mum » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.537 SOIL CLASSIFICATION IS "A" • RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 70.37 """ EFFECTIVE AREA(ACRES) = 120.00 • AVERAGED Fm(INCH/HR) = .582 'OTAL AREA(ACRES) = 120.00 mum PEAK FLOW RATE(CFS) = 211.10 r TC(MIN) = 24.17 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** umm +rr FLOW PROCESS FROM NODE 129.10 TO NODE 124.10 IS CODE = 3 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAFEA««< • are » »USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 51.0 INCH PIPE IS 41.4 INCHES •e PIPEFLOW VELOCITY(FEET /SEC.) = 17.1 UPSTREAM NODE ELEVATION = 1334.00 "r' DOWNSTREAM NODE ELEVATION = 1288.00 FLOWLENGTH(FEET) = 2750.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 51.00 NUMBER OF PIPES = 1 ,,., PIPEFLOW THRU SUBAREA(CFS) = 211.10 TRAVEL TIME(MIN.) = 2.68 TC(MIN.) = 26.85 r "********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** or FLOW PROCESS FROM NODE 124.10 TO NODE 124.10 IS CODE = 1 s » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< ▪ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 26.85 RAINFALL INTENSITY (INCH. /HOUR) = 2.38 'r"' EFFECTIVE STREAM AREA(ACRES) = 120.00 TOTAL STREAM AREA(ACRES) = 120.00 - PEAK FLOW RATE(CFS) AT CONFLUENCE = 211.10 +r. .,,'•******************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** !LOW PROCESS FROM NODE 120.00 TO NODE 120.01 IS CODE = 2 » » >RATIONAL METHOD INITIAL SUBAREA ANALYSIS «« < SSW 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 = 1344.00 •., DOWNSTREAM ELEVATION = 1325.00 ELEVATION DIFFERENCE = 19.00 41' TC = .412 *[( 1000.00 ** 3.00)/( 19.00)] ** .20 = 14.426 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.457 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA RUNOFF(CFS) = 19.41 on TOTAL AREA(ACRES) = 7.50 PEAK FLOW RATE(CFS) = 19.41 die OIN ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 120.01 TO NODE 120.02 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL- CHANNEL FLOW««< • » » >TRAVELTIME THRU SUBAREA« «< up TSTREAM NODE ELEVATION = 1325.00 wr, DOWNSTREAM NODE ELEVATION = 1308.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1000.00 ®r CHANNEL BASE(FEET) = 3.00 "Z" FACTOR = 2.000 MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 2.00 CHANNEL FLOW THRU SUBAREA(CFS) = 19.41 rr mi arr . FLOW VELOCITY(FEET /SEC) = 4.56 FLOW DEPTH(FEET) = .89 •• TRAVEL TIME(MIN.) = 3.66 TC(MIN.) = 18.08 * x******************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 120.12 TO NODE 120.02 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< aim to 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.019 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA AREA(ACRES) = 7.50 SUBAREA RUNOFF(CFS) = 16.45 EFFECTIVE AREA(ACRES) = 15.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 15.00 as PEAK FLOW RATE(CFS) = 32.90 TC(MIN) = 18.08 err ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ,,, FLOW PROCESS FROM NODE 120.02 TO NODE 121.10 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL- CHANNEL FLOW ««< » » >TRAVELTIME THRU SUBAREA«« < mm me UPSTREAM NODE ELEVATION = 1308.00 DOWNSTREAM NODE ELEVATION = 1296.00 .. CHANNEL LENGTH THRU SUBAREA(FEET) = 320.00 .;HANNEL BASE(FEET) = 3.00 "Z" FACTOR = 2.000 MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 2.00 CHANNEL FLOW THRU SUBAREA(CFS) = 32.90 FLOW VELOCITY(FEET /SEC) = 7.04 FLOW DEPTH(FEET) = .95 lo. TRAVEL TIME(MIN.) = .76 TC(MIN.) = 18.84 Mk ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 121.00 TO NODE 121.10 IS CODE = 8 .r » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« « 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.945 SOIL CLASSIFICATION IS "A" +�w RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA AREA(ACRES) = 5.00 SUBAREA RUNOFF(CFS) = 10.64 Mil EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 20.00 um PEAK FLOW RATE(CFS) = 42.54 TC(MIN) = 18.84 VW .* ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ✓ FLOW PROCESS FROM NODE 121.10 TO NODE 122.10 IS CODE = 6 » »>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA« «< ✓ UPSTREAM ELEVATION = 1296.00 DOWNSTREAM ELEVATION = 1295.00 STREET LENGTH(FEET) = 320.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 32.00 err ""' DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 24.00 gm INTERIOR STREET CROSSFALL(DECIMAL) = .020 UTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 42.54 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) = .84 ,.. HALFSTREET FLOODWIDTH(FEET) = 27.87 AVERAGE FLOW VELOCITY(FEET /SEC.) = 2.48 ow PRODUCT OF DEPTH &VELOCITY = 2.08 STREETFLOW TRAVELTIME(MIN) = 2.15 TC(MIN) = 20.99 d, 100 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) = .00 SUBAREA RUNOFF(CFS) = .00 ar EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 42.54 m. END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .84 HALFSTREET FLOODWIDTH(FEET) = 27.87 "" FLOW VELOCITY(FEET /SEC.) = 2.48 DEPTH *VELOCITY = 2.08 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 122.00 TO NODE 122.10 IS CODE = 8 »» >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< m. 100 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) = 20.00 SUBAREA RUNOFF(CFS) = 39.22 EFFECTIVE AREA(ACRES) = 40.00 ,.. AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 40.00 ""' PEAK FLOW RATE(CFS) = 78.44 TC(MIN) = 20.99 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 00 FLOW PROCESS FROM NODE 122.10 TO NODE 123.10 IS CODE = 3 ow » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA «« < » »> USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< ■r DEPTH OF FLOW IN 42.0 INCH PIPE IS 31.3 INCHES 'IPEFLOW VELOCITY(FEET /SEC.) = 10.2 4 ""' UPSTREAM NODE ELEVATION = 1295.00 DOWNSTREAM NODE ELEVATION = 1290.00 FLOWLENGTH(FEET) = 640.00 MANNINGS N = .013 ,m ESTIMATED PIPE DIAMETER(INCH) = 42.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 78.44 im err TRAVEL TIME(MIN.) = 1.05 TC(MIN.) = 22.03 ****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 123.00 TO NODE 123.10 IS CODE = 8 ▪ » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW«« < " 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.681 ur SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 *. SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 75.58 EFFECTIVE AREA(ACRES) = 80.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 80.00 PEAK FLOW RATE(CFS) = 151.16 • TC(MIN) = 22.03 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ow . FLOW PROCESS FROM NODE 123.10 TO NODE 124.10 IS CODE = 3 » »> COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA ««< • » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « « < 4M DEPTH OF FLOW IN 63.0 INCH PIPE IS 48.3 INCHES am PIPEFLOW VELOCITY(FEET /SEC.) = 8.5 UPSTREAM NODE ELEVATION = 1290.00 ')OWNSTREAM NODE ELEVATION = 1288.00 w :'LOWLENGTH(FEET) = 640.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 63.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 151.16 TRAVEL TIME(MIN.) = 1.26 TC(MIN.) = 23.29 ".."********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** m FLOW PROCESS FROM NODE 124.00 TO NODE 124.10 IS CODE = 8 »» >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.594 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 Aso SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 72.42 EFFECTIVE AREA(ACRES) = 120.00 "' AVERAGED Fm(INCH/HR) = .582 ▪ TOTAL AREA(ACRES) = 120.00 PEAK FLOW RATE(CFS) = 217.26 a. TC(MIN) = 23.29 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** am FLOW PROCESS FROM NODE 124.10 TO NODE 124.10 IS CODE = 1 rrr » »DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE« «< go » »>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES< «< am CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: ma TIME OF CONCENTRATION(MINUTES) = 23.29 RAINFALL INTENSITY (INCH. /HOUR) = 2.59 wr EFFECTIVE STREAM AREA(ACRES) = 120.00 *� TOTAL STREAM AREA(ACRES) = 120.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 217.26 sig • CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE "" NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 211.10 26.85 2.382 .58 120.00 aw 2 217.26 23.29 2.594 .58 120.00 om RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. or SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) err 1 405.46 240.00 °"' 2 421.96 224.10 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: . PEAK FLOW RATE(CFS) = 421.96 TIME(MINUTES) = 23.290 EFFECTIVE AREA(ACRES) = 224.10 TOTAL AREA(ACRES) = 240.00 AM ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** wr FLOW PROCESS FROM NODE 124.10 TO NODE 450.10 IS CODE = 3 "" >» »COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA ««< >» »USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< - DEPTH OF FLOW IN 69.0 INCH PIPE IS 51.7 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 20.2 • UPSTREAM NODE ELEVATION = 1288.00 DOWNSTREAM NODE ELEVATION = 1273.00 FLOWLENGTH(FEET) = 950.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 69.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 421.96 - TRAVEL TIME(MIN.) = .78 TC(MIN.) = 24.07 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 450.00 TO NODE 450.10 IS CODE = 8 +r" » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« « < ow 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.543 SOIL CLASSIFICATION IS "A" • RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA AREA(ACRES) = 16.40 SUBAREA RUNOFF(CFS) = 28.94 km EFFECTIVE AREA(ACRES) = 240.50 wa AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 256.40 ow PEAK FLOW RATE(CFS) = 424.38 'C(MIN) = 24.07 wr ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 450.10 TO NODE 452.10 IS CODE = 3 irrr "w »» >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA«« < '"' » »>USING COMPUTER - ESTIMATED PIPESIZE (NON`PRESSURE FLOW) « «< ter EPTH OF FLOW IN 84.0 INCH PIPE IS 68.7 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 12.6 UPSTREAM NODE ELEVATION = 1273.00 DOWNSTREAM NODE ELEVATION = 1266.00 FLOWLENGTH(FEET) = 1500.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 84.00 NUMBER OF PIPES = 1 irr PIPEFLOW THRU SUBAREA(CFS) = 424.38 TRAVEL TIME(MIN.) = 1.98 TC(MIN.) = 26.06 ****************************************'***** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 452.00 TO NODE 452.10 IS CODE = 8 ▪ » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< an' 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.425 w e SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 ▪ SUBAREA AREA(ACRES) = 38.80 SUBAREA RUNOFF(CFS) = 64.35 EFFECTIVE AREA(ACRES) = 279.30 • AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 295.20 PEAK FLOW RATE(CFS) = 463.18 • TC(MIN) = 26.06 :****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 452.10 TO NODE 453.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< • DEPTH OF FLOW IN 72.0 INCH PIPE IS 53.8 INCHES • PIPEFLOW VELOCITY(FEET /SEC.) = 20.5 UPSTREAM NODE ELEVATION = 1266.00 °" DOWNSTREAM NODE ELEVATION = 1251.00 FLOWLENGTH(FEET) = 980.00 MANNINGS N = .013. ESTIMATED PIPE DIAMETER(INCH) = 72.00 NUMBER OF PIPES = 1 • PIPEFLOW THRU SUBAREA(CFS) = 463.18 TRAVEL TIME(MIN.) = .80 TC(MIN.) = 26.86 • ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** Gi p FLOW PROCESS FROM NODE 453.00 TO NODE 453.10 IS CODE = 8 • » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.381 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 de SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 16.19 ;FFECTIVE AREA(ACRES) = 289.30 "'" AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 305.20 PEAK FLOW RATE(CFS) = 468.44 ,,., TC(MIN) = 26.86 ..,********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** rr FLOW PROCESS FROM NODE 453.10 TO NODE 456.10 IS CODE = 3 » »> COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA «« < » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 72.0 INCH PIPE IS 57.9 INCHES "" PIPEFLOW VELOCITY(FEET /SEC.) = 19.2 ■r UPSTREAM NODE ELEVATION = 1251.00 DOWNSTREAM NODE ELEVATION = 1229.00 *� FLOWLENGTH(FEET) = 1650.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 72.00 NUMBER OF PIPES = 1 to PIPEFLOW THRU SUBAREA(CFS) = 468.44 TRAVEL TIME(MIN.) = 1.43 TC(MIN.) = 28.29 om am ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** "" FLOW PROCESS FROM NODE 456.00 TO NODE 456.10 IS CODE = 8 r�r » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< ot 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.308 mi . SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA AREA(ACRES) = 24.00 SUBAREA RUNOFF(CFS) = 37.28 NO EFFECTIVE AREA(ACRES) = 313.30 AVERAGED Fm(INCH /HR) = .582 • TOTAL AREA(ACRES) = 329.20 ?EAK FLOW RATE(CFS) = 486.71 tot TC(MIN) = 28.29 m ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 457.00 TO NODE 456.10 IS CODE = 8 e tt » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.308 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 to SUBAREA AREA(ACRES) = 26.00 SUBAREA RUNOFF(CFS) = 40.39 EFFECTIVE AREA(ACRES) = 339.30 r AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 355.20 """ PEAK FLOW RATE(CFS) = 527.10 to TC(MIN) = 28.29 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** m FLOW PROCESS FROM NODE 456.10 TO NODE 456.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE« «< sr » » >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES « «< 011 CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 28.29 RAINFALL INTENSITY (INCH. /HOUR) = 2.31 • EFFECTIVE STREAM AREA(ACRES) = 339.30 • TOTAL STREAM AREA(ACRES) = 355.20 rrr PEAK FLOW RATE(CFS) AT CONFLUENCE = 527.10 or CONFLUENCE INFORMATION: TREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 527.10 28.29 2.308 .58 339.30 ▪ RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO rnr CONFLUENCE FORMULA USED FOR 1 STREAMS. SUMMARY RESULTS: ▪ STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) or 1 527.10 339.30 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: Ili PEAK FLOW RATE(CFS) = 527.10 TIME(MINUTES) = 28.287 EFFECTIVE AREA(ACRES) = 339.30 "I" TOTAL AREA(ACRES) = 355.20 END OF STUDY SUMMARY: • TOTAL AREA(ACRES) = 355.20 EFFECTIVE AREA(ACRES) = 339.30 • PEAK FLOW RATE(CFS). = 527.10 END OF RATIONAL METHOD ANALYSIS rr rrr OW err ,rr • RAT IU tihi� III; OD 119iti(i Af ;n;3c)Ff l / e l' .r -- T 5 COMITY pgOJ6CT: mow JUtI N0. • 91UIIU PIIEQUEIICY: .r ---- -_ -.._— - ..__. — Nc)'fr;3 A111)/011 DATA ARA NODAL FLOW u rER t.0'EIt TRAVEL I.ANID SOIL An" DESIGNATION REACH CODE ELEVATIONS LEMMA' 119E cnoUv or µ 75 • . /2S -o;- . 126.01 13 13 10°° •i I. ° 126 -o' g 7 - ... • /3 5s � .... /.2E -01 1.2.6 - 1 F j 3 y b ell 1 -- 12_> " -1 '' _14 - 1 9 ..' _ ', I ( 1 X 34 341 3 ..• 1� 127 • / Pr' Ow / 27- 1 Ili-_) 3 1 131' b' MN 1.,--9-r"1 /eV-.1 mos Pe- 13 3 - " / -10 /29•/0 3 X3 4 G "" l /z5-/° r A. ma o 1c'-- _/O ) 2 2 1 -2 1 / F.. n,� Gilat�'■... u\r 4-- L_r,r 1111 , A ...? .22- 1• (2`�• 1 ( 13 1334 -� Ul • ow .. j 4229.1 /- t i .l ar 13 3 E I-- 12 4 , 1 1-24 - / 1 I \) 4 S 1:_-)o• 1�,, -0 13 4�S /D.0') 7 Mk _ - - ( TI0NAIi MI MOD U3Itl(i Af;B:3UF'r , 2 or r_. -. ' 7S� COUNTY '° PR x JOB 110 . R101111 PAFQUEI CY: mi St._ .(RA NODAL mow UPPF..R LOIEIt TItAVEI. LAUD SOIL AREA NOTES ADD/DR DATA bF.91CNATION REACH cony. FLF LF.ttG11i II3F OI .- -- -- --__- ---- - - ___ - __ _ NM /2 0.0/ Ido.02 S /3 i3 o a, i MIN /20./2. 120 • 0 2- 8 "'' 13 0 ... 120 .0 2 /..21.1',. 5 70 — go $A r M 121 /a? /, / � ,m - 1 -1 C 1 2-' 6 s 3.0 dm / ! i � .. 122- 122.1 g' m ac I AIM I2 2 - 1 12 3. 1 3 12 � � i � o 6 J23• 12 ; -1 40 amo 2 2 i 9° 6 4 0 /23- 1 I 4-) 3 12 1.2 /01■ 4 • I 8' 4 .0 P- mm s .. I - _ o - .2-P- - - g _ _ _ I--i } 1D?4°I i 2 y -1 I I NO / I /.9 I . _„. ,_ - - - e - ••7== 1, l,2. (.;.) . (..1.u.) I — .' F. c - p ,:.a, . • ' " • / 1- l 7 ,_T \ - L.C, E,--1, C P.. O_ .'"rte to /?c,,/ w4•) 1 _ _ .. _. —1-1-A-110D 1/311 Al', , ,330IT I 3 or - . • , .,.. • ..... EROJRCI: 7—S--- COUBTY --_ . . .9101111 PREQUErICY: JOB BO. . _ . St._ ARA NODAL Ff,ow tirrER-11•OwEH TRAVEL LAW) soil, . AREA nom; ABD/OR DATA nESIGHATION REACH CODE ELEVATIMIn MIGTII USE mum! 4.. 12_44 MS 451) - ) 0;73 .... . _ do A s o 4 co - / F.- • ■._ NM -- - .5" / A —43 -/ 1 4vo • 1 7 Q, 2 E“,cpr, Pvt.- ,..,.J i 1 ...., s.o Ar gl — (71)„5, 2- 1, r- 0 • r? 2 -Q, zi cu- ) 4 5 I .... .... _ _ 4 s - ) 45 . I ..3 k --0 5 , is ° 17 - N. • — . _ 2 ) _ — zi . _____ 0 — — _____ 452-/ LI 5 2 • I 1 ( 1 ;' , 7=---- ......j.i. . 4 2_ / t,•: 21 - i ' , 1 , , - -- .. 4 2- • / 2L r ) Ns • . ---- / ___.- ....-- MD A 5 • ) .43 — 3 /-)-c'7 I 9 ro .0 . . so 11 NMI . -- . . No 2.4 fie ▪ k***************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** Yrr RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE (Reference: 1986 SAN BERNARDINO CO. HYDROLOGY CRITERION) .m Copyright 1983,86,87 Advanced Engineering Software (aes) Ver. 4.1C Release Date: 5/11/87 Serial # I00908 r Especially prepared for: L HALL & FOREMAN r * * * * * * * * * * * * * * * * * * * * ** ** DESCRIPTION OF STUDY * * * * * * * * * * * * * * * * * * * * * * * * ** * W 9S ANA LINE T -6 FOR - -YR. STORM. Q FOR W. FONTANA CHANNEL ONLY. • JN 3547, T. ARROYO, 11/28/89. ******************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FILE NAME: A:WFONT6R.DES aw TIME /DATE OF STUDY: 9:59 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) = .970 410 _100 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.470 )MPUTED RAINFALL INTENSITY DATA: ••.' ..1'ORM EVENT = 25.00 1 -HOUR INTENSITY(INCH /HOUR) = 1.1461 SLOPE OF INTENSITY DURATION CURVE = .6000 ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** • FLOW PROCESS FROM NODE 454.00 TO NODE 454.10 IS CODE = 2 om > »> RATIONAL METHOD INITIAL SUBAREA ANALYSIS « «< low DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 3 -4 DWELLINGS /ACRE TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 al INITIAL SUBAREA FLOW - LENGTH = 1000.00 UPSTREAM ELEVATION = 1266.00 *■ DOWNSTREAM ELEVATION = 1249.00 ELEVATION DIFFERENCE = 17.00 so TC = .412 *[( 1000.00 ** 3.00)/( 17.00)] ** .20 = 14.751 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.660 SOIL CLASSIFICATION IS "Au as 4m arr rr RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 . ,, SUBAREA RUNOFF(CFS) = 18.70 TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 18.70 WN ***************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** .OW PROCESS FROM NODE 454.10 TO NODE 455.21 IS CODE = 6 » » >COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA « «< rw UPSTREAM ELEVATION = 1249.00 DOWNSTREAM ELEVATION = 1247.30 STREET LENGTH(FEET) = 350.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 36.00 sr DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 24.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 «., OUTSIDE STREET CROSSFALL(DECIMAL) = .040 rr SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 18.70 STREETFLOW MODEL RESULTS: or STREET FLOWDEPTH(FEET) = .64 HALFSTREET FLOODWIDTH(FEET) = 13.88 AVERAGE FLOW VELOCITY(FEET /SEC.) = 2.66 PRODUCT OF DEPTH &VELOCITY = 1.69 STREETFLOW TRAVELTIME(MIN) = 2.19 TC(MIN) = 16.94 mw 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.447 it SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 I. SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 EFFECTIVE AREA(ACRES) = 10.00 • ' 7 ERAGED Fm(INCH/HR) = .582 JTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 18.70 ."‘ END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .64 HALFSTREET FLOODWIDTH(FEET) = 13.88 FLOW VELOCITY(FEET /SEC.) = 2.66 DEPTH *VELOCITY = 1.69 ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 455.00 TO NODE 455.21 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« <4< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.447 "" SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 16.79 EFFECTIVE AREA(ACRES) = 20.00 44111 AVERAGED Fm(INCH /HR) = .582 rrr TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 33.58 • TC(MIN) = 16.94 t******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 455.21 TO NODE 456.01 IS CODE = 3 ter » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< » » > USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< ;PTH OF FLOW IN 36.0 INCH PIPE IS 24.7 INCHES als PIPEFLOW VELOCITY(FEET /SEC.) = 6.5 UPSTREAM NODE ELEVATION = 1247.30 DOWNSTREAM NODE ELEVATION = 1245.00 err vw FLOWLENGTH(FEET) = 575.00 MANNINGS N = .013 MN ESTIMATED PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 33.58 'r TRAVEL TIME(MIN.) = 1.48 TC(MIN.) = 18.42 ***************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** "`FLOW PROCESS FROM NODE 456.00 TO NODE 456.01 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< ON- 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.328 on SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) _ .5820 60 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 31.42 EFFECTIVE AREA(ACRES) = 40.00 *■ AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 40.00 PEAK FLOW RATE(CFS) = 62.85 TC(MIN) = 18.42 o w ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 456.01 TO NODE 457.01 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 45.0 INCH PIPE IS 33.4 INCHES 116 PIPEFLOW VELOCITY(FEET /SEC.) = 7.1 UPSTREAM NODE ELEVATION = 1245.00 "" DOWNSTREAM NODE ELEVATION = 1242.80 FLOWLENGTH(FEET) = 630.00 MANNINGS N = .013 - gTIMATED PIPE DIAMETER(INCH) = 45.00 NUMBER OF PIPES = 1 .PEFLOW THRU SUBAREA(CFS) = 62.85 TRAVEL TIME(MIN.) = 1.47 TC(MIN.) = 19.89 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 457.00 TO NODE 457.01 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 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) = 28.00 SUBAREA RUNOFF(CFS) = 41.35 EFFECTIVE AREA(ACRES) = 68.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 68.00 PEAK FLOW RATE(CFS) = 100.42 ww TC(MIN) = 19.89 ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** do FLOW PROCESS FROM NODE 457.01 TO NODE 455.10 IS CODE = 3 401 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< dig DEPTH OF FLOW IN 51.0 INCH PIPE IS 36.4 INCHES 'PEFLOW VELOCITY(FEET /SEC.) = 9.3 ,,.,, 'STREAM NODE ELEVATION = 1242.80 DOWNSTREAM NODE ELEVATION = 1239.00 • FLOWLENGTH(FEET) = 750.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 51.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 100.42 ® TRAVEL TIME(MIN.) = 1.35 TC(MIN.) = 21.24 rr ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ',OW PROCESS FROM NODE 457.10 TO NODE 455.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< ▪ 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.137 m SOIL CLASSIFICATION IS HA" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 m SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 55.99 EFFECTIVE AREA(ACRES) = 108.00 es AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 108.00 m PEAK FLOW RATE(CFS) = 151.17 TC(MIN) = 21.24 us ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** m FLOW PROCESS FROM NODE 455.10 TO NODE 458.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< err DEPTH OF FLOW IN 51.0 INCH PIPE IS 39.0 INCHES .. PIPEFLOW VELOCITY(FEET /SEC.) = 13.0 UPSTREAM NODE ELEVATION = 1239.00 1111 DOWNSTREAM NODE ELEVATION = 1223.00 FLOWLENGTH(FEET) = 1650.00 MANNINGS N = .013 m ESTIMATED PIPE DIAMETER(INCH) = 51.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 151.17 ZAVEL TIME(MIN.) = 2.12 TC(MIN.) = 23.36 ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 458.00 TO NODE 458.10 IS CODE = 8 » OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.019 *w SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 ar SUBAREA AREA(ACRES) = 78.00 SUBAREA RUNOFF(CFS) = 100.86 EFFECTIVE AREA(ACRES) = 186.00 """ AVERAGED Fm(INCH/HR) = .582 _ TOTAL AREA(ACRES) = 186.00 PEAK FLOW RATE(CFS) = 240.50 TC(MIN) = 23.36 ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** m FLOW PROCESS FROM NODE 458.10 TO NODE 458.10 IS CODE = 1 » »>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< w CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 23.36 RAINFALL INTENSITY (INCH. /HOUR) = 2.02 EFFECTIVE STREAM AREA(ACRES) = 186.00 �. )TAL STREAM AREA(ACRES) = 186.00 m JAR FLOW RATE(CFS) AT CONFLUENCE = 240.50 END OF STUDY SUMMARY: TOTAL AREA(ACRES) = 186.00 EFFECTIVE AREA(ACRES) = 186.00 EN PEAK FLOW RATE(CFS) = 240.50 1 w END OF RATIONAL METHOD ANALYSIS u. ■ ■ so HALL & FOREMAN * * * * * * * * * * * * * * * * * * * * * * * * ** DESCRIPTION OF STUDY * * * * * * * * * * * * * * * * * * * * * * * * ** wo k W. FONTANA LINE T6 (REVISED) FOR 100 -YR. STORM. LINE ALONG ARROW RT. TO LIME AVE., TO W. FONTANA CHANNEL. 0-4°T t7T D is I G N Q * OT DESIGN Q. T. ARROYO, 9/29/89. * ***************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** or FILE NAME: WFONT6R.100 on TIME /DATE OF STUDY: 12:43 9/29/1989 4. USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: es -- *TIME -OF- CONCENTRATION MODEL*- - rrr USER SPECIFIED STORM EVENT(YEAR) = 100.00 on 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) = .970 100 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.470 "`" COMPUTED RAINFALL INTENSITY DATA: STORM EVENT = 100.00 1 -HOUR INTENSITY(INCH /HOUR) = 1.4700 SLOPE OF INTENSITY DURATION CURVE = .6000 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 4r FLOW PROCESS FROM NODE 454.00 TO NODE 454.10 IS CODE = 2 > » »RATIONAL METHOD INITIAL SUBAREA ANALYSIS ««< DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 3 -4 DWELLINGS /ACRE +r. TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW- LENGTH = 1000.00 UPSTREAM ELEVATION = 1266.00 DOWNSTREAM ELEVATION = 1249.00 ELEVATION DIFFERENCE = 17.00 TC = .412 *[( 1000.00 ** 3.00)/( 17.00)] ** .20 = 14.751 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.411 Imo SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 " SUBAREA RUNOFF(CFS) = 25.46 ,,,., TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 25.46 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 454.10 TO NODE 455.21 IS CODE = 6 » STREETFLOW TRAVELTIME THRU SUBAREA« «< UPSTREAM ELEVATION = 1249.00 DOWNSTREAM ELEVATION = 1247.30 mm STREET LENGTH(FEET) = 350.00 CURB HEIGTH(INCHES) = 8. ■r STREET HALFWIDTH(FEET) = 36.00 'STANCE FROM CROWN TO CROSSFALL GRADEBREAK = 24.00 _NTERIOR STREET CROSSFALL(DECIMAL) = .020 "" OUTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 eit " THAT NEGLIBLE FLOW OCCURS OUTSIDE OF THE STREET CHANNEL. THAT IS, ALL FLOW ALONG THE PARKWAY, ETC., IS NEGLECTED. STREET FLOWDEPTH(FEET) = .71 HALFSTREET FLOODWIDTH(FEET) = 17.62' we AVERAGE FLOW VELOCITY(FEET /SEC.) = 2.71 PRODUCT OF DEPTH &VELOCITY = 1.93 ,. STREETFLOW TRAVELTIME(MIN) = 2.15 TC(MIN) = 16.90 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.144 is SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 4.4 EFFECTIVE AREA(ACRES) = 10.00 AVERAGED Fm(INCH /HR) = .582 I. TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 25.46 END OF SUBAREA STREETFLOW HYDRAULICS: • DEPTH(FEET) = .71 HALFSTREET FLOODWIDTH(FEET) = 17.62 FLOW VELOCITY(FEET /SEC.) = 2.71 DEPTH *VELOCITY = 1.93 ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 455.00 TO NODE 455.21 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.144 SOIL CLASSIFICATION IS "A" „, RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 23.06 •. EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH /HR) = .582 OTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 46.11 TC(MIN) = 16.90 MIN .. ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 455.21 TO NODE 456.01 IS CODE = 3 • » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 39.0 INCH PIPE IS 29.1 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 6.9 .r UPSTREAM NODE ELEVATION = 1247.30 DOWNSTREAM NODE ELEVATION = 1245.00 +� .FLOWLENGTH(FEET) = 575.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 39.00 NUMBER OF PIPES = 1 MP PIPEFLOW THRU SUBAREA(CFS) = 46.11 .. TRAVEL TIME(MIN.) = 1.38 TC(MIN.) = 18.28 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** " FLOW PROCESS FROM NODE 456.00 TO NODE 456.01 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) = .5820 • SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 43.51 sr EFFECTIVE AREA(ACRES) = 40.00 rr . .,******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 456.01 TO NODE 47.01 IS CODE = 3 » »COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA ««< >» »USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< ose DEPTH OF FLOW IN 51.0 INCH PIPE IS 37.6 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 7.8 r ,,,, UPSTREAM NODE ELEVATION = 1245.00 DOWNSTREAM NODE ELEVATION = 1242.80 FLOWLENGTH(FEET) = 630.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 51.00 NUMBER OF PIPES = 1 '"" PIPEFLOW THRU SUBAREA(CFS) = 87.02 �. TRAVEL TIME(MIN.) = 1.35 TC(MIN.) = 19.64 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** -. FLOW PROCESS FROM NODE 457.00 TO NODE 457.01 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.873 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 - SUBAREA AREA(ACRES) = 28.00 SUBAREA RUNOFF(CFS) = 57.74 EFFECTIVE AREA(ACRES) = 68.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 68.00 DEAK FLOW RATE(CFS) = 140.23 - C(MIN) = 19.64 ..,********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 457.01 TO NODE 455.10 IS CODE = 3 » »> COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< » »> USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 57.0 INCH PIPE IS 41.9 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 10.0 UPSTREAM NODE ELEVATION = 1242.80 DOWNSTREAM NODE ELEVATION = 1239.00 e.r FLOWLENGTH(FEET) = 750.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 57.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 140.23 TRAVEL TIME(MIN.) = 1.24 TC(MIN.) = 20.88 ms ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 411 FLOW PROCESS FROM NODE 457.10 TO NODE 455.10 IS CODE = 8 • » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.769 is OIL CLASSIFICATION IS "A" _.ESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 78.74 EFFECTIVE AREA(ACRES) = 108.00 OR AVERAGED Fm(INCH/HR) = .582 +e TOTAL AREA(ACRES) = 108.00 ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 455.10 TO NODE 458.10 IS CODE = 3 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< OM £EPTH OF FLOW IN 57.0 INCH PIPE IS 45.5 INCHES """ PIPEFLOW VELOCITY(FEET /SEC.) = 14.0 UPSTREAM NODE ELEVATION = 1239.00 "" DOWNSTREAM NODE ELEVATION = 1223.00 • FLOWLENGTH(FEET) = 1650.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 57.00 NUMBER OF PIPES = 1 • PIPEFLOW THRU SUBAREA(CFS) = 212.61 TRAVEL TIME(MIN.) = 1.96 TC(MIN.) = 22.84 oft k******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** "r FLOW PROCESS FROM NODE 458.00 TO NODE 458.10 IS CODE = 8 • » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< rs = 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.624 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 81 ' SUBAREA AREA(ACRES) = 78.00 SUBAREA RUNOFF(CFS) = 143.36 EFFECTIVE AREA(ACRES) = 186.00 AVERAGED Fm(INCH /HR) = .582 wr TOTAL AREA(ACRES) = 186.00 PEAK FLOW RATE(CFS) = 341.85 4 " TC(MIN) = 22.84 ***************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 458.10 TO NODE 458.10 IS CODE = 1 f » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE« «< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: �PtTA F,.r TIME OF CONCENTRATION(MINUTES) = 22.84 RAINFALL INTENSITY (INCH./HOUR) = 2.62 (N. rpn! T% N Pa EFFECTIVE STREAM AREA(ACRES) = 186.00 NNrL TOTAL STREAM AREA(ACRES) = 186.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 341.85 IN END OF STUDY SUMMARY: TOTAL AREA(ACRES) = 186.00 "' EFFECTIVE AREA(ACRES) = 186.00 PEAK FLOW RATE(CFS) = 341.85 ®,,, END OF RATIONAL METHOD ANALYSIS air wok A. 4m err ma ************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * p it * * * * * * * * * * * * * * * * * * * * * * * * * * * ** RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE (Reference: 1986 SAN BERNARDINO CO. HYDROLOGY CRITERION) Ole Copyright 1983,86,87 Advanced Engineering Software (aes) Ver. 4.1C Release Date: 5/11/87 Serial # I00908 Especially prepared for: or HALL & FOREMAN * * * * * * * * * * * * * * * * * * * * * * * * ** DESCRIPTION OF STUDY * * * * * * * * * * * * * * * * * * * * * * * * ** W. FONTANA LINE T6 (REVISED) FOR 25 -YR. STORM. • LINE ALONG ARROW RT. TO LIME AVE., TO W. FONTANA CHANNEL. * DESIGN Q. T. ARROYO, 9/29/89 ******************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** w r FILE NAME: WFONT6R.025 .. TIME /DATE OF STUDY: 12:41 9/29/1989 ▪ USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: -- *TIME -OF- CONCENTRATION MODEL*- - USER SPECIFIED STORM EVENT(YEAR) = 25.00 "' SPECIFIED MINIMUM PIPE SIZ'E(INCH) = 18.00 SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE = .95 *USER - DEFINED LOGARITHMIC INTERPOLATION USED FOR RAINFALL* am 10 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = .970 1.00 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.470 )MPUTED RAINFALL INTENSITY DATA: vrORM EVENT = 25.00 1 -HOUR INTENSITY(INCH /HOUR) = 1.1461 SLOPE OF INTENSITY DURATION CURVE = .6000 maa k******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** .r, FLOW PROCESS FROM NODE 454.00 TO NODE 454.10 IS CODE = 2 » »> RATIONAL METHOD INITIAL SUBAREA ANALYSIS« «< DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 3 -4 DWELLINGS /ACRE ma TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW - LENGTH = 1000.00 .a. UPSTREAM ELEVATION = 1266.00 DOWNSTREAM ELEVATION = 1249.00 ELEVATION DIFFERENCE = 17.00 TC = .412 *[( 1000.00 ** 3.00)/( 17.00)] ** .20 = 14.751 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 RUNOFF(CFS) = 18.70 • TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 18.70 mal k***************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** " FLOW PROCESS FROM NODE 454.10 TO NODE 455.21 IS CODE = 6 » »>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< awa- to DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 24.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 ... OUTSIDE STREET CROSSFALL(DECIMAL) = .040 ow SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 18.70 et• STREETFLOW MODEL RESULTS: STREET FLOWDEPTH(FEET) = .64 HALFSTREET FLOODWIDTH(FEET) = 13.88 r „ AVERAGE FLOW VELOCITY(FEET /SEC.) = 2.66 PRODUCT OF DEPTH &VELOCITY = 1.69 STREETFLOW TRAVELTIME(MIN) = 2.19 TC(MIN) = 16.94 al. 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.447 SOIL CLASSIFICATION IS "A" • RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 or SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 EFFECTIVE AREA(ACRES) = 10.00 • AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 18.70 END OF SUBAREA STREETFLOW HYDRAULICS: 4m• DEPTH(FEET) = .64 HALFSTREET FLOODWIDTH(FEET) = 13.88 FLOW VELOCITY(FEET /SEC.) = 2.66 DEPTH *VELOCITY = 1.69 +rr "N******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** • FLOW PROCESS FROM NODE 455.00 TO NODE 455.21 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< or 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.447 .:OIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 m" SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 16.79 EFFECTIVE AREA(ACRES) = 20.00 4" AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 20.00 oi PEAK FLOW RATE(CFS) = 33.58 TC(MIN) = 16.94 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** • FLOW PROCESS FROM NODE 455.21 TO NODE 456.01 IS CODE = 3 mo » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< glo » »> USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< MN DEPTH OF FLOW IN 36.0 INCH PIPE IS 24.7 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 6.5 UPSTREAM NODE ELEVATION = 1247.30 4111 DOWNSTREAM NODE ELEVATION = 1245.00' FLOWLENGTH(FEET) = 575.00 MANNINGS N = .013 41 ' ESTIMATED PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES = 1 No PIPEFLOW THRU SUBAREA(CFS) = 33.58 TRAVEL TIME(MIN.) = 1.48 TC(MIN.) = 18.42 de d ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 456.00 TO NODE 456.01 IS CODE = 8 doo » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< ASP SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 31.42 EFFECTIVE AREA(ACRES) = 40.00 ... AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 40.00 - PEAK FLOW RATE(CFS) = 62.85 'C(MIN) = 18.42 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** """ FLOW PROCESS FROM NODE 456.01 TO NODE 457.01 IS CODE = 3 Sri » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< a, » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< - DEPTH OF FLOW IN 45.0 INCH PIPE IS 33.4 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 7.1 - UPSTREAM NODE ELEVATION = 1245.00 • DOWNSTREAM NODE ELEVATION = 1242.80 FLOWLENGTH(FEET) = 630.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 45.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 62.85 TRAVEL TIME(MIN.) = 1.47 TC(MIN.) = 19.89 ..********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 457.00 TO NODE 457.01 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< - 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.223 SOIL CLASSIFICATION IS "A" "*" ESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 ,UBAREA AREA(ACRES) = 28.00 SUBAREA RUNOFF(CFS) = 41.35 EFFECTIVE AREA(ACRES) = 68.00 - AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 68.00 °A^ PEAK FLOW RATE(CFS) = 100.42 TC(MIN) = 19.89 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 457.01 TO NODE 455.10 IS CODE = 3 • » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< m » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< ti.. DEPTH OF FLOW IN 51.0 INCH PIPE IS 36.4 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 9.3 AO UPSTREAM NODE ELEVATION = 1242.80 DOWNSTREAM NODE ELEVATION = 1239.00 ma FLOWLENGTH(FEET) = 750.00 MANNINGS N = .013 as ESTIMATED PIPE DIAMETER(INCH) = 51.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 100.42 60 TRAVEL TIME(MIN.) = 1.35 TC(MIN.) = 21.24 • ****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ar _LOW PROCESS FROM NODE 457.10 TO NODE 455.10 IS CODE = 8 w » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< NJ 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.137 „,,,, AVERAGED Fm (INCH /HR) = .582 TOTAL AREA(ACRES) = 108.00 .. PEAK FLOW RATE(CFS) = 151.17 TC(MIN) = 21.24 INV o"" ****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** rrr FLOW PROCESS FROM NODE 455.10 TO NODE 458.10 IS CODE = 3 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) ««< „"" DEPTH OF FLOW IN 51.0 INCH PIPE IS 39.0 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 13.0 ""` UPSTREAM NODE ELEVATION = 1239.00 DOWNSTREAM NODE ELEVATION = 1223.00 om FLOWLENGTH(FEET) = 1650.00 MANNINGS N = .013 wr ESTIMATED PIPE DIAMETER(INCH) = 51.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 151.17 on TRAVEL TIME(MIN.) = 2.12 TC(MIN.) = 23.36 do '******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 458.00 TO NODE 458.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< me 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.019 SOIL CLASSIFICATION IS "A" ,.. RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) .5820 SUBAREA AREA(ACRES) = 78.00 SUBAREA RUNOFF(CFS) = 100.86 FFECTIVE AREA(ACRES) = 186.00 _1VERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 186.00 ONV PEAK FLOW RATE(CFS) = 240.50 TC(MIN) = 23.36 ow ******************************************* * * * * * * * * * * * * * * * * *i * * * * * * * * * * ** • FLOW PROCESS FROM NODE 458.10 TO NODE 458.10 IS CODE = » »>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< • CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: „nr. TIME OF CONCENTRATION(MINUTES) = 23.36 RAINFALL INTENSITY (INCH. /HOUR) = 2.02 em EFFECTIVE STREAM AREA(ACRES) = 186.00 TOTAL STREAM AREA(ACRES) = 186.00 iso PEAK FLOW RATE(CFS) AT CONFLUENCE = 240.50 IMO END OF STUDY SUMMARY: ar TOTAL AREA(ACRES) = 186.00 EFFECTIVE AREA(ACRES) = 186.00 a" PEAK FLOW RATE(CFS) = 240.50 ,_____________ ar END OF RATIONAL METHOD ANALYSIS ism wr * * * * * * * * * * * * * * * * * * * * *************************************************11 * md PACKAGE RATIONAL METHOD HYDROLOGY COMPUTER P CRITERION) .• (RRference: 1986 SAN BERNARDINO C0.`HYI Wft I O P I .I. . . . • . . . • • .. .. . COMITY ___ I — *gat 1 FII(mit inETIrricY! ,Inn PH). - - • _ ... ._ _ wr In. ARA - NOnAl, ,1()P urrEN -t mi En I ItAVEI. I.Aiii soil, ors laNiT ION PFAU! MI* risVATInnl LrrovIll uir mmul •nrA tio1rn A tili if Iti tiA r - - i, , = 1.' u I7Co& le ow q 5 4 15'1. 1 Z tz. ,(1 A 1 0 Mi f Z 461 -1- • • -d 4,.-.7---3 f 5 'if) r : Z A (......) f , -- 07 ° '-' • C 445q. 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HYDROLOGY CRITERION) Copyright 1983,86,87 Advanced Engineering Software (aes) Ver. 4.1C Release Date: 5/11/87 Serial # I00908 MM Especially prepared for: HALL & FOREMAN * * * * * * * * * * * * * * * * * * * * * * * * ** DESCRIPTION OF STUDY * * * * * * * * * * * * * * * * * * * * ** * N. FONTANA MASTER S.D. PLAN, W. FONTANA CHANNEL LAT. 7 * Q 100 -25 YEAR, DESIGN Q FOR NORTHERN PORTION OF LAT. T -7 �• * JN 3547 *************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FILE NAME: WFONT7RA.DES TIME/DATE OF STUDY: 2:30 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) = .970 100 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.470 COMPUTED RAINFALL INTENSITY DATA: STORM EVENT = 25.00 1 -HOUR INTENSITY(INCH /HOUR) = 1.1461 SLOPE OF INTENSITY DURATION CURVE = .6000 ***************************************** * * * * * * * * * * ** * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 133.00 TO NODE 133.01 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 = 1385.00 DOWNSTREAM ELEVATION = 1362.00 ELEVATION DIFFERENCE = 23.00 TC = .412 *[( 1000.00 ** 3.00)/( 23.00)] ** .20 = 13.585 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.758 SOIL CLASSIFICATION IS "A" AM RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA RUNOFF(CFS) = 14.69 TOTAL AREA(ACRES) = 7.50 PEAK FLOW RATE(CFS) = 14.69 1 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** VON FLOW PROCESS FROM NODE 133.01 TO NODE 134.01 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL - CHANNEL FLOW««< » » >TRAVELTIME THRU SUBAREA < « < NIS UPSTREAM NODE ELEVATION = 1362.00 DOWNSTREAM NODE ELEVATION = 1344.00 ms CHANNEL LENGTH THRU SUBAREA(FEET) = 1000.00 CHANNEL BASE(FEET) = 3.00 "Z" FACTOR = 2.000 0. MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 2.00 CHANNEL FLOW THRU SUBAREA(CFS) = 14.69 FLOW VELOCITY(FEET /SEC) = 4.48 FLOW DEPTH(FEET) = .73 .., TRAVEL TIME(MIN.) = 3.72 TC(MIN.) = 17.61 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 134.00 TO NODE 134.01 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.392 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 7.50 SUBAREA RUNOFF(CFS) = 12.21 EFFECTIVE AREA(ACRES) = 15.00 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 15.00 •• PEAK FLOW RATE(CFS) = 24.43 TC(MIN) = 17.61 -^ **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 134.01 TO NODE 134.10 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL - CHANNEL FLOW««< » » >TRAVELTIME THRU SUBAREA««< UPSTREAM NODE ELEVATION = 1344.00 ,., DOWNSTREAM NODE ELEVATION = 1332.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 670.00 CHANNEL BASE(FEET) = 3.00 "Z" FACTOR = 2.000 MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 2.00 �- CHANNEL FLOW THRU SUBAREA(CFS) = 24.43 FLOW VELOCITY(FEET /SEC) = 4.99 FLOW DEPTH(FEET) = .98 4W TRAVEL TIME(MIN.) = 2.24 TC(MIN.) = 19.84 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 133.12 TO NODE 134.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.226 �,. SOIL CLASSIFICATION IS "A" ao • 2 INN .e. ■ RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA AREA(ACRES) = 5.00 SUBAREA RUNOFF(CFS) = 7.40 EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH /HR) = .582 "' TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 29.59 TC(MIN) = 19.84 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 134.10 TO NODE 135.10 IS CODE = 6 » » >COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA « «< UPSTREAM ELEVATION = 1332.00 DOWNSTREAM ELEVATION = 1330.00 STREET LENGTH(FEET) = 320.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 20.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 12.00 an INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 vie SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 29.59 ** *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) = .69 HALFSTREET FLOODWIDTH(FEET) = 20.00 AVERAGE FLOW VELOCITY(FEET /SEC.) = 2.97 PRODUCT OF DEPTH &VELOCITY = 2.04 STREETFLOW TRAVELTIME(MIN) = 1.80 TC(MIN) = 21.64 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.113 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 Aft TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 29.59 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .69 HALFSTREET FLOODWIDTH(FEET) = 20.00 FLOW VELOCITY(FEET /SEC.) = 2.97 DEPTH *VELOCITY = 2.04 sit **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 135.00 TO NODE 135.10 IS CODE = 8 e„„ » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< M. 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.113 3 a�rr woo �.+ SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 •• SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 27.56 EFFECTIVE AREA(ACRES) = 40.00 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 40.00 PEAK FLOW RATE(CFS) = 55.12 TC(MIN) = 21.64 me �." **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** aw FLOW PROCESS FROM NODE 135.10 TO NODE 135.10 IS CODE = 1 ,.� » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 21.64 RAINFALL INTENSITY (INCH. /HOUR) = 2.11 EFFECTIVE STREAM AREA(ACRES) = 40.00 TOTAL STREAM AREA(ACRES) = 40.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 55.12 my **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 221.10 TO NODE 221.10 IS CODE = 7 » » >USER SPECIFIED HYDROLOGY INFORMATION AT NODE« «< ... USER - SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 18.60 RAIN INTENSITY(INCH /HOUR) = 2.31 EFFECTIVE AREA(ACRES) = 19.70 TOTAL AREA(ACRES) = 19.70 PEAK FLOW RATE(CFS) = 44.10 AVERAGED LOSS RATE, Fm(IN /HR) = .582 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 221.10 TO NODE 135.10 IS CODE = 6 » » >COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA< « < UPSTREAM ELEVATION = 1380.00 DOWNSTREAM ELEVATION = 1330.00 •.• STREET LENGTH(FEET) = 2600.00 CURB HEiGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 20.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 12.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 44.10 STREETFLOW MODEL RESULTS: STREET FLOWDEPTH(FEET) = .66 HALFSTREET FLOODWIDTH(FEET) = 18.87 .., AVERAGE FLOW VELOCITY(FEET /SEC.) = 5.07 4 ,�w 411 ' opp �.. PRODUCT OF DEPTH &VELOCITY = 3.32 STREETFLOW TRAVELTIME(MIN) = 8.55 TC(MIN) = 27.15 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.844 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 .or EFFECTIVE AREA(ACRES) = 19.70 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 19.70 PEAK FLOW RATE(CFS) = 44.10 4. END OF SUBAREA STREETFLOW HYDRAULICS: , DEPTH(FEET) = .66 HALFSTREET FLOODWIDTH(FEET) = 18.87 FLOW VELOCITY(FEET /SEC.) = 5.07 DEPTH *VELOCITY = 3.32 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 135.10 TO NODE 135.10 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) = 27.15 RAINFALL INTENSITY (INCH. /HOUR) = 1.84 EFFECTIVE STREAM AREA(ACRES) = 19.70 TOTAL STREAM AREA(ACRES) = 19.70 �.. PEAK FLOW RATE(CFS) AT CONFLUENCE = 44.10 �. CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 55.12 21.64 2.113 .58 40.00 2 44.10 27.15 1.844 .58 19.70 4.4 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 97.76 55.70 2 89.54 59.70 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 97.76 TIME(MINUTES) = 21.642 EFFECTIVE AREA(ACRES) = 55.70 TOTAL AREA(ACRES) = 59.70 4 ' r **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 135.10 TO NODE 136.10 IS CODE = 3 4111 » » > COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA ««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< Orr 5 - VA.. w. ow DEPTH OF FLOW IN 48.0 INCH PIPE IS 35.1 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 9.9 UPSTREAM NODE ELEVATION = 1330.00 DOWNSTREAM NODE ELEVATION = 1325.50 FLOWLENGTH(FEET) = 720.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 48.00 NUMBER OF PIPES = 1 "° PIPEFLOW THRU SUBAREA(CFS) = 97.76 TRAVEL TIME(MIN.) = 1.21 TC(MIN.) = 22.85 an **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** �+. FLOW PROCESS FROM NODE 136.00 TO NODE 136.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 0 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.046 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 52.69 00 EFFECTIVE AREA(ACRES) = 95.70 AVERAGED Fm(INCH/HR) = .582 `""' TOTAL AREA(ACRES) = 99.70 PEAK FLOW RATE(CFS) = 126.06 TC(MIN) = 22.85 w **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 136.10 TO NODE 130.10 IS CODE = 4 VAw » » > COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< » » >USING USER - SPECIFIED PIPESIZE««< DEPTH OF FLOW IN 48.0 INCH PIPE IS 29.6 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 15.5 ats UPSTREAM NODE ELEVATION = 1325.50 DOWNSTREAM NODE ELEVATION = 1280.00 FLOWLENGTH(FEET) = 2750.00 MANNINGS N = .013 VAII GIVEN PIPE DIAMETER(INCH) = 48.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 126.06 TRAVEL TIME(MIN.) = 2.96 TC(MIN.) = 25.80 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 130.10 TO NODE 130.10 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) = 25.80 u RAINFALL INTENSITY (INCH. /HOUR) = 1.90 EFFECTIVE STREAM AREA(ACRES) = 95.70 urr TOTAL STREAM AREA(ACRES) = 99.70 PEAK FLOW RATE(CFS) AT CONFLUENCE = 126.06 VANN mo 6 VAIN VA" VAIN me CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) ta 1 126.06 25.80 1.902 .58 95.70 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 1 STREAMS. SUMMARY RESULTS: ,.� STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 460 1 126.06 95.70 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 126.06 TIME(MINUTES) = 25.804 EFFECTIVE AREA(ACRES) = 95.70 TOTAL AREA(ACRES) = 99.70 END OF STUDY SUMMARY: es TOTAL AREA(ACRES) = 99.70 EFFECTIVE AREA(ACRES) = 95.70 PEAK FLOW RATE(CFS) = 126.06 ter END OF RATIONAL METHOD ANALYSIS taw taw taw ww wet taw ow wa rrr am mow 4m taw 7 Orr **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 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. PLAN, W. FONTANA CHANNEL LAT. 7 * Q 100 -25 YEAR, DESIGN Q FOR SOUTHERN PORTION OF LAT. T -7 * JN 3547 *************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FILE NAME: WFONT7RB.DES TIME/DATE OF STUDY: 2:36 1/ 1/1980 USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: -- *TIME -OF- CONCENTRATION MODEL*- - UMW 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) = .970 100 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.470 COMPUTED RAINFALL INTENSITY DATA: SSW STORM EVENT = 25.00 1 -HOUR INTENSITY(INCH /HOUR) = 1.1461 SLOPE OF INTENSITY DURATION CURVE = .6000 ..., **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 130.00 TO NODE 130.01 IS CODE = 2 ewe » »> 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 = 1334.00 DOWNSTREAM ELEVATION = 1313.00 0. ELEVATION DIFFERENCE = 21.00 TC = .412 *[( 1000.00 ** 3.00)/( 21.00)] ** .20 = 14.140 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.728 SOIL CLASSIFICATION IS "A" �.. RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA RUNOFF(CFS) = 14.49 we TOTAL AREA(ACRES) = 7.50 PEAK FLOW RATE(CFS) = 14.49 1 rrr LAW **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 130.01 TO NODE 130.02 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL - CHANNEL FLOW ««< ""' » » >TRAVELTIME THRU SUBAREA < « < UPSTREAM NODE ELEVATION = 1313.00 DOWNSTREAM NODE ELEVATION = 1297.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1000.00 CHANNEL BASE(FEET) = 3.00 "Z" FACTOR = 2.000 MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 2.00 .". CHANNEL FLOW THRU SUBAREA(CFS) = 14.49 FLOW VELOCITY(FEET /SEC) = 4.18 FLOW DEPTH(FEET) = .77 TRAVEL TIME(MIN.) = 3.99 TC(MIN.) = 18.13 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 4" FLOW PROCESS FROM NODE 130.10 TO NODE 130.02 IS CODE = 8 m. » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.350 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 7.50 SUBAREA RUNOFF(CFS) = 11.93 EFFECTIVE AREA(ACRES) = 15.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 15.00 PEAK FLOW RATE(CFS) = 23.87 TC(MIN) = 18.13 Aft **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 130.02 TO NODE 130.12 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL - CHANNEL FLOW« «< » » >TRAVELTIME THRU SUBAREA««< UPSTREAM NODE ELEVATION = 1297.00 ... DOWNSTREAM NODE ELEVATION = 1285.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 729.00 CHANNEL BASE(FEET) = 3.00 "Z" FACTOR = 2.000 MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 2.00 '"" CHANNEL FLOW THRU SUBAREA(CFS) = 23.87 FLOW VELOCITY(FEET /SEC) = 4.88 FLOW DEPTH(FEET) = .98 aro TRAVEL TIME(MIN.) = 2.46 TC(MIN.) = 20.59 err **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 130.20 TO NODE 130.12 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< dW 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.177 SOIL CLASSIFICATION IS "A" 2 ARO ryr AM MO RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 5.00 SUBAREA RUNOFF(CFS) = 7.18 "" EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH /HR) = .582 a" TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 28.72 TC(MIN) = 20.59 ., **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 130.12 TO NODE 130.22 IS CODE = 6 » » >COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA ««< UPSTREAM ELEVATION = 1285.00 DOWNSTREAM ELEVATION = 1283.00 STREET LENGTH(FEET) = 320.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 32.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 24.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 +•• SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 28.72 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) = .69 HALFSTREET FLOODWIDTH(FEET) = 20.37 AVERAGE FLOW VELOCITY(FEET /SEC.) = 2.91 PRODUCT OF DEPTH &VELOCITY = 1.99 STREETFLOW TRAVELTIME(MIN) = 1.84 TC(MIN) = 22.43 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.069 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 TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 28.72 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .69 HALFSTREET FLOODWIDTH(FEET) = 20.37 FLOW VELOCITY(FEET /SEC.) = 2.91 DEPTH *VELOCITY = 1.99 n,r **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 130.21 TO NODE 130.22 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< ew 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.069 SOIL CLASSIFICATION IS "A" err wa 3 see RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 26.76 EFFECTIVE AREA(ACRES) = 40.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 40.00 PEAK FLOW RATE(CFS) = 53.52 TC(MIN) = 22.43 ar **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 130.22 TO NODE 130.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLAW) ««< DEPTH OF FLOW IN 42.0 INCH PIPE IS 29.0 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 7.6 4M UPSTREAM NODE ELEVATION = 1283.00 DOWNSTREAM NODE ELEVATION = 1280.00 FLOWLENGTH(FEET) = 680.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 42.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 53.52 TRAVEL TIME(MIN.) = 1.50 TC(MIN.) = 23.93 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 130.31 TO NODE 130.10 IS CODE = 8 **t » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.990 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 50.68 EFFECTIVE AREA(ACRES) = 80.00 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 80.00 PEAK FLOW RATE(CFS) = 101.36 TC(MIN) = 23.93 **************************************** * ** * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 130.10 TO NODE 130.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: �. TIME OF CONCENTRATION(MINUTES) = 23.93 RAINFALL INTENSITY (INCH. /HOUR) = 1.99 EFFECTIVE STREAM AREA(ACRES) = 80.00 TOTAL STREAM AREA(ACRES) = 80.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 101.36 WO **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** kW 4 w . war °60 FLOW PROCESS FROM NODE 130.10 TO NODE 130.10 IS CODE = 7 » » >USER SPECIFIED HYDROLOGY INFORMATION AT NODE« «< USER - SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 25.90 RAIN INTENSITY(INCH /HOUR) = 1.90 EFFECTIVE AREA(ACRES) = 95.70 TOTAL AREA(ACRES) = 99.70 PEAK FLOW RATE(CFS) = 126.10 AVERAGED LOSS RATE, Fm(IN /HR) _ .582 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 130.10 TO NODE 130.10 IS CODE = 1 M » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE« «< » » >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES« «< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 25.90 RAINFALL INTENSITY (INCH. /HOUR) = 1.90 EFFECTIVE STREAM AREA(ACRES) = 95.70 TOTAL STREAM AREA(ACRES) = 99.70 PEAK FLOW RATE(CFS) AT CONFLUENCE = 126.10 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 101.36 23.93 1.990 .58 80.00 2 126.10 25.90 1.897 .58 95.70 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 226.03 168.41 2 220.80 175.70 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 226.03 TIME(KNUTES) = 23.926 EFFECTIVE AREA(ACRES) = 168.41 TOTAL AREA(ACRES) = 179.70 "r **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 130.10 TO NODE 131.10 IS CODE = 3 » » > COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 66.0 INCH PIPE IS 48.8 INCHES ++� PIPEFLOW VELOCITY(FEET /SEC.) = 12.0 UPSTREAM NODE ELEVATION = 1280.00 DOWNSTREAM NODE ELEVATION = 1272.00 5 FLOWLENGTH(FEET) = 1350.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 66.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 226.03 TRAVEL TIME(MIN.) = 1.88 TC(MIN.) = 25.80 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 131.00 TO NODE 131.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.902 SOIL CLASSIFICATION IS "A" ..., RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA AREA(ACRES) = 80.00 SUBAREA RUNOFF(CFS) = 95.02 EFFECTIVE AREA(ACRES) = 248.41 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 259.70 PEAK FLOW RATE(CFS) = 295.03 TC(MIN) = 25.80 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 131.10 TO NODE 132.10 IS CODE = 4 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< �. » » >USING USER - SPECIFIED PIPESIZE« DEPTH OF FLOW IN 69.0 INCH PIPE IS 53.5 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 13.6 UPSTREAM NODE ELEVATION = 1272.00 DOWNSTREAM NODE ELEVATION = 1267.00 ~" FLOWLENGTH(FEET) = 700.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 69.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 295.03 TRAVEL TIME(MIN.) = .85 TC(MIN.) = 26.66 ess **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 132.20 TO NODE 132.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.865 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 46.18 EFFECTIVE AREA(ACRES) = 288.41 us AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 299.70 PEAK FLOW RATE(CFS) = 332.98 TC(MIN) = 26.66 �., **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** es 6 oss INN mm Wm mm FLOW PROCESS FROM NODE 132.10 TO NODE 140.10 IS CODE = 4 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » » >USING USER - SPECIFIED PIPESIZE « «< Wm DEPTH OF FLOW IN 69.0 INCH PIPE IS 44.0 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 19.1 UPSTREAM NODE ELEVATION = 1267.00 DOWNSTREAM NODE ELEVATION = 1227.00 FLOWLENGTH(FEET) = 2650.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 69.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 332.98 TRAVEL TIME(MIN.) = 2.32 TC(MIN.) = 28.97 kbe **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 132.10 TO NODE 140.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »» >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< m. DEPTH OF FLOW IN 63.0 INCH PIPE IS 48.4 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 18.7 UPSTREAM NODE ELEVATION = 1267.00 �.. DOWNSTREAM NODE ELEVATION = 1227.00 FLOWLENGTH(FEET) = 2650.00 MANNINGS N = .013 um ESTIMATED PIPE DIAMETER(INCH) = 63.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 332.98 TRAVEL TIME(MIN.) = 2.37 TC(MIN.) = 31.34 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 140.10 TO NODE 140.10 IS CODE = 1 yfti » »>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE ««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: Nig+ TIME OF CONCENTRATION(MINUTES) = 31.34 RAINFALL INTENSITY (INCH. /HOUR) = 1.69 EFFECTIVE STREAM AREA(ACRES) = 288.41 TOTAL STREAM AREA(ACRES) = 299.70 "' PEAK FLOW RATE(CFS) AT CONFLUENCE = 332.98 NIA **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 132.10 TO NODE 132.10 IS CODE = 7 » » >USER SPECIFIED HYDROLOGY INFORMATION AT NODE««< so USER - SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 25.60 RAIN INTENSITY(INCH /HOUR) = 1.91 EFFECTIVE AREA(ACRES) = 77.00 TOTAL AREA(ACRES) = 77.00 PEAK FLOW RATE(CFS) = 143.70 AVERAGED LOSS RATE, Fm(IN /HR) = .580 irr 7 s **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 132.10 TO NODE 132.10 IS CODE = 1 "" » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: so TIME OF CONCENTRATION(MINUTES) = 25.60 RAINFALL INTENSITY (INCH. /HOUR) = 1.91 EFFECTIVE STREAM AREA(ACRES) = 77.00 TOTAL STREAM AREA(ACRES) = 77.00 s+ PEAK FLOW RATE(CFS) AT CONFLUENCE = 143.70 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 2004.00 TO NODE 2004.01 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 so INITIAL SUBAREA FLOW - LENGTH = 1000.00 UPSTREAM ELEVATION = 1280.00 ... DOWNSTREAM ELEVATION = 1262.00 ELEVATION DIFFERENCE = 18.00 TC = .412 *[( 1000.00 ** 3.00)/( 18.00)] ** .20 = 14.583 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.678 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA RUNOFF(CFS) = 14.15 TOTAL AREA(ACRES) = 7.50 PEAK FLOW RATE(CFS) = 14.15 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 2004.01 TO NODE 2004.02 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL - CHANNEL FLAW ««< » » >TRAVELTIME THRU SUBAREA««< UPSTREAM NODE ELEVATION = 1262.00 DOWNSTREAM NODE ELEVATION = 1244.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1000.00 am CHANNEL BASE(FEET) = 3.00 "Z" FACTOR = 2.000 MANNINGS FACTOR = .013 MAXIMUM DEPTH(FEET) = 2.00 CHANNEL FLOW THRU SUBAREA(CFS) = 14.15 FLOW VELOCITY(FEET /SEC) = 7.99 FLOW DEPTH(FEET) = .45 TRAVEL TIME(MIN.) = 2.09 TC(MIN.) = 16.67 los **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 2004.10 TO NODE 2004.02 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< so so • 8 so ow 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.472 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 7.50 SUBAREA RUNOFF(CFS) = 12.76 EFFECTIVE AREA(ACRES) = 15.00 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 15.00 ,rr PEAK FLOW RATE(CFS) = 25.51 TC(MIN) = 16.67 **************************************** * * * * * * **** * **** * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 2004.02 TO NODE 2004.03 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL - CHANNEL FLOW««< » » >TRAVELTIME THRU SUBAREA« «< UPSTREAM NODE ELEVATION = 1244.00 we DOWNSTREAM NODE ELEVATION = 1237.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 640.00 CHANNEL BASE(FEET) = 3.00 "Z" FACTOR = 2.000 MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 2.00 CHANNEL FLOW THRU SUBAREA(CFS) = 25.51 FLOW VELOCITY(FEET /SEC) = 4.23 FLOW DEPTH(FEET) = 1.14 TRAVEL TIME(MIN.) = 2.52 TC(MIN.) = 19.19 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 2004.20 TO NODE 2004.03 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.272 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 5.00 SUBAREA RUNOFF(CFS) = 7.60 EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 30.41 ..00 TC(MIN) = 19.19 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 2004.03 TO NODE 2006.10 IS CODE = 6 » » >COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA« «< vet UPSTREAM ELEVATION = 1237.00 DOWNSTREAM ELEVATION = 1235.00 STREET LENGTH(FEET) = 320.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 32.00 «. DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 24.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 our 9 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 30.41 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) = .69 HALFSTREET FLOODWIDTH(FEET) = 20.37 air AVERAGE FLOW VELOCITY(FEET /SEC.) = 3.08 PRODUCT OF DEPTH &VELOCITY = 2.11 0 . STREETFLOW TRAVELTIME(MIN) = 1.73 TC(MIN) = 20.92 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.157 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 TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 30.41 +.r END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .69 HALFSTREET FLOODWIDTH(FEET) = 20.37 FLOW VELOCITY(FEET /SEC.) = 3.08 DEPTH *VELOCITY = 2.11 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 2006.00 TO NODE 2006.10 IS CODE = 8 died » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.157 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 �.. SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 28.34 EFFECTIVE AREA(ACRES) = 40.00 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 40.00 PEAK FLOW RATE(CFS) = 56.69 TC(MIN) = 20.92 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 2006.10 TO NODE 2007.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< » »> USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 42.0 INCH PIPE IS 29.6 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 7.8 UPSTREAM NODE ELEVATION = 1235.00 DOWNSTREAM NODE ELEVATION = 1232.00 FLOWLENGTH(FEET) = 640.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 42.00 NUMBER OF PIPES = 1 die 10 eft 00 ,. PIPEFLOW THRU SUBAREA(CFS) = 56.69 TRAVEL TIME(MIN.) = 1.36 TC(MIN.) = 22.28 APO '` **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** AM FLOW PROCESS FROM NODE 2007.00 TO NODE 2007.10 IS CODE = 8 00 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.077 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) _ .5 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 53.80 00 EFFECTIVE AREA(ACRES) = 80.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 80.00 PEAK FLOW RATE(CFS) = 107.61 ." TC(MIN) = 22.28 tiso **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** on FLOW PROCESS FROM NODE 2007.10 TO NODE 140.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< +0 » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< 0 DEPTH OF FLOW IN 48.0 INCH PIPE IS 34.6 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 11.1 00 UPSTREAM NODE ELEVATION = 1232.00 DOWNSTREAM NODE ELEVATION = 1227.00 FLOWLENGTH(FEET) = 640.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 48.00 NUMBER OF PIPES = 1 SOP PIPEFLOW THRU SUBAREA(CFS) = 107.61 00 TRAVEL TIME(MIN.) = .96 TC(MIN.) = 23.24 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** atuao FLOW PROCESS FROM NODE 2008.21 TO NODE 140.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.025 SOIL CLASSIFICATION IS "A" `P' RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 51.93 EFFECTIVE AREA(ACRES) = 120.00 ,, AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 120.00 1000 PEAK FLOW RATE(CFS) = 155.79 TC(MIN) = 23.24 0 wr **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 140.10 TO NODE 140.10 IS CODE = 1 00 00 11 00 war » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE« «< » » >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: TIME OF CONCENTRATION(MINUTES) = 23.24 RAINFALL INTENSITY (INCH. /HOUR) = 2.02 `" EFFECTIVE STREAM AREA(ACRES) = 120.00 TOTAL STREAM AREA(ACRES) = 120.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 155.79 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 332.98 31.34 1.692 .58 288.41 2 143.70 25.60 1.911 .58 77.00 3 155.79 23.24 2.025 .58 120.00 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 3 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 572.98 485.41 2 612.68 432.57 3 618.33 403.81 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 618.33 TIME(MINUTES) = 23.245 EFFECTIVE AREA(ACRES) = 403.81 TOTAL AREA(ACRES) = 496.70 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 140.10 TO NODE 140.30 IS CODE = 3 » »> COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< » » >USING COMPUTER- ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 78.0 INCH PIPE IS 61.3 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 22.1 UPSTREAM NODE ELEVATION = 1227.00 DOWNSTREAM NODE ELEVATION = 1200.00 FLOWLENGTH(FEET) = 1700.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 78.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 618.33 TRAVEL TIME(MIN.) = 1.28 TC(MIN.) = 24.53 ale **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 2009.00 TO NODE 140.30 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.960 12 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 50.00 SUBAREA RUNOFF(CFS) = 62.03 EFFECTIVE AREA(ACRES) = 453.81 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 546.70 PEAK FLOW RATE(CFS) = 618.33 TC(MIN) = 24.53 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 140.30 TO NODE 140.30 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 24.53 RAINFALL INTENSITY (INCH. /HOUR) = 1.96 EFFECTIVE STREAM AREA(ACRES) = 453.81 '` TOTAL STREAM AREA(ACRES) = 546.70 PEAK FLOW RATE(CFS) AT CONFLUENCE = 618.33 END OF STUDY SUMMARY: TOTAL AREA(ACRES) = 546.70 EFFECTIVE AREA(ACRES) = 453.81 PEAK FLOW RATE(CFS) = 618.33 END OF RATIONAL METHOD ANALYSIS 13 / i*********** ****************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * 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 * * * * * * * * * * * * * * * * * * * * * * * * ** "'k W. FONTANA LINE T -7 (REVISED) FOR 25 -YR. STORM. * * NOT DESIGN Q. * JN 3547, T. ARROYO, 11/27/89. * ******************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FILE NAME: WFONT7R.025 TIME /DATE OF STUDY: 15:52 11/27/1989 r.: . 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) = .970 '00 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.470 IMPUTED RAINFALL INTENSITY DATA: STORM EVENT = 25.00 1 -HOUR INTENSITY(INCH /HOUR) = 1.1461 SLOPE OF INTENSITY DURATION CURVE = .6000 .,:******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 133.00 TO NODE 133.01 IS CODE = 2 » » > RATIONAL METHOD INITIAL SUBAREA ANALYSIS « «< DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 3 -4 DWELLINGS /ACRE sw, TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW - LENGTH = 1000.00 -'UPSTREAM ELEVATION = 1385.00 DOWNSTREAM ELEVATION = 1362.00 .. ELEVATION DIFFERENCE = 23.00 TC = .412 *[( 1000.00 ** 3.00)/( 23.00)] ** .20 = 13.885 '°"' 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 RUNOFF(CFS) = 14.69 TOTAL AREA(ACRES) = 7.50 PEAK FLOW RATE(CFS) = 14.69 fiairi .******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 133.01 TO NODE 134.01 IS CODE = 5 »COMPUTE TRAPEZOIDAL- CHANNEL FLOW« «< "" . » »TRAVELTIME THRU SUBAREA « «< +.r UPSTREAM NODE ELEVATION = 1362.00 • DOWNSTREAM NODE ELEVATION = 1344.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1000.00 kW CHANNEL BASE(FEET) = 3.00 ""Z"" FACTOR = 2.000 MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 2.00 • CHANNEL FLOW THRU SUBAREA(CFS) = 14.69 FLOW VELOCITY(FEET /SEC) = 4.48 FLOW DEPTH(FEET) = .73 "" TRAVEL TIME(MIN.) = 3.72 TC(MIN.) = 17.61 ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** lir FLOW PROCESS FROM NODE 134.00 TO NODE 134.01 IS CODE = 8 > »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.392 SOIL CLASSIFICATION IS l'A "" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 m SUBAREA AREA(ACRES) = 7.50 SUBAREA RUNOFF(CFS) = 12.21 EFFECTIVE AREA(ACRES) = 15.00 "** AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 15.00 PEAK FLOW RATE(CFS) = 24.43 TC(MIN) = 17.61 klk ****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 134.01 TO NODE 134.10 IS CODE = 5 wr > » COMPUTE TRAPEZOIDAL- CHANNEL FLOW« «< » >TRAVELTIME THRU SUBAREA« «< UPSTREAM NODE ELEVATION = 1344.00 ". DOWNSTREAM NODE ELEVATION = 1332.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 670.00 ""' CHANNEL BASE(FEET) = 3.00 " "Z "" FACTOR = 2.000 MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = .2.00 CHANNEL FLOW THRU SUBAREA(CFS) = 24.43 FLOW VELOCITY(FEET /SEC) = 4.99 FLOW DEPTH(FEET) = .98 TRAVEL TIME(MIN.) = 2.24 TC(MIN.) = 19.84 "rw ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 133.12 TO NODE 134.10 IS CODE = 8 > »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.226 "" SOIL CLASSIFICATION IS " "A "" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 5.00 SUBAREA RUNOFF(CFS) = 7.40 EFFECTIVE AREA(ACRES) = 20.00 'VERAGED Fm(INCH /HR) = .582 TAL AREA(ACRES) = 20.00 rEAK FLOW RATE(CFS) = 29.59 TC(MIN) = 19.84 ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** kW 0. FLOW PROCESS FROM NODE 134.10 TO NODE 135.10 IS CODE = 6 » » »COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA« «< 'STREAM ELEVATION = 1332.00 DOWNSTREAM ELEVATION = 1330.00 '"° OTREET LENGTH(FEET) = 320.00 CURB HEIGTH(INCHES) = 8. ,, STREET HALFWIDTH(FEET) = 20.00 0 . DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 12.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 +*■s SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 0. * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 29.59 ** *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. 0. THAT IS, ALL FLOW ALONG THE PARKWAY, ETC., IS NEGLECTED. STREET FLOWDEPTH(FEET) = .69 HALFSTREET FLOODWIDTH(FEET) = 20.00 .,, AVERAGE FLOW VELOCITY(FEET /SEC.) = 2.97 PRODUCT OF DEPTH &VELOCITY = 2.04 its STREETFLOW TRAVELTIME(MIN) = 1.80 TC(MIN) = 21.64 Pe 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.113 SOIL CLASSIFICATION IS "A" 1 ' RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 " EFFECTIVE AREA(ACRES) = 20.00 ERAGED Fm(INCH/HR) = .582 i AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 29.59 0.. END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .69 HALFSTREET FLOODWIDTH(FEET) = 20.00 Mer FLOW VELOCITY(FEET /SEC.) = 2.97 DEPTH *VELOCITY = 2.04 ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** g"' FLOW PROCESS FROM NODE 135.00 TO NODE 135.10 IS CODE = 8 • » »»ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.113 a SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 m SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 27.56 EFFECTIVE AREA(ACRES) = 40.00 ,,,. AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 40.00 WO PEAK FLOW RATE(CFS) = 55.12 TC(MIN) = 21.64 4r ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 135.10 TO NODE 136.10 IS CODE = 3 » » »COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< '> »»USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< IJEPTH OF FLOW IN 39.0 INCH PIPE IS 28.0 INCHES err PIPEFLOW VELOCITY(FEET /SEC.) = 8.6 UPSTREAM NODE ELEVATION = 1330.00 u. DOWNSTREAM NODE ELEVATION = 1325.50 FLOWLENGTH(FEET) = 720.00 MANNINGS N = .013 4 ESTIMATED PIPE DIAMETER(INCH) = 39.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 55.12 TRAVEL TIME(MIN.) = 1.39 TC(MIN.) = 23.03 u ****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** A FLOW PROCESS FROM NODE 136.00 TO NODE 136.10 IS CODE = 8 „ » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< a 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.036 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 52.34 EFFECTIVE AREA(ACRES) = 80.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 80.00 „ PEAK FLOW RATE(CFS) = 104.67 TC(MIN) = 23.03 s ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 136.10 TO NODE 130.10 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.) = 14.7 a UPSTREAM NODE ELEVATION = 1325.50 DOWNSTREAM NODE ELEVATION = 1280.00 • z'LOWLENGTH(FEET) = 2750.00 MANNINGS N = .013 m , TIMATED PIPE DIAMETER(INCH) = 42.00 NUMBER OF PIPES = 1 rIPEFLOW THRU SUBAREA(CFS) = 104.67 - TRAVEL TIME(MIN.) = 3.13 TC(MIN.) = 26.16 E******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** w- FLOW PROCESS FROM NODE 130.10 TO NODE 130.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< "' CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 26.16 RAINFALL INTENSITY (INCH. /HOUR) = 1.89 EFFECTIVE STREAM AREA(ACRES) = 80.00 TOTAL STREAM AREA(ACRES) = 80.00 rr PEAK FLOW RATE(CFS) AT CONFLUENCE = 104.67 ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** es FLOW PROCESS FROM NODE 130.00 TO NODE 130.01 IS CODE = 2 » » >RATIONAL METHOD INITIAL SUBAREA ANALYSIS « «< r " DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 3 -4 DWELLINGS /ACRE TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 rr INITIAL SUBAREA FLOW - LENGTH = 1000.00 "DSTREAM ELEVATION = 1334.00 WNSTREAM ELEVATION = 1313.00 _ ,EVATION DIFFERENCE = 21.00 +.® TC = .412 *[( 1000.00 ** 3.00)/( 21.00)] ** .20 = 14.140 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.728 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 a .r SUBAREA RUNOFF(CFS) = 14.49 ■ TOTAL AREA(ACRES) = 7.50 PEAK FLOW RATE(CFS) = 14.49 ar * .***************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ' PROCESS FROM NODE 130.01 TO NODE 130.02 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL- CHANNEL FLOW« «< » »>TRAVELTIME THRU SUBAREA « «< or UPSTREAM NODE ELEVATION = 1313.00 DOWNSTREAM NODE ELEVATION = 1297.00 - CHANNEL LENGTH THRU SUBAREA(FEET) = 1000.00 CHANNEL BASE(FEET) = 3.00 HZ,' FACTOR = 2.000 ▪ MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 2.00 CHANNEL FLOW THRU SUBAREA(CFS) = 14.49 "' FLOW VELOCITY(FEET /SEC) = 4.18 FLOW DEPTH(FEET) = .77 rr TRAVEL TIME(MIN.) = 3.99 TC(MIN.) = 18.13 ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ow FLOW PROCESS FROM NODE 130.10 TO NODE 130.02 IS CODE = 8 ,,.. » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< ter 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.350 SOIL CLASSIFICATION IS "A" +�* RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) _ .5820 SUBAREA AREA(ACRES) = 7.50 SUBAREA RUNOFF(CFS) = 11.93 "" EFFECTIVE AREA(ACRES) = 15.00 AVERAGED Fm(INCH /HR) = .582 - '"OTAL AREA(ACRES) = 15.00 :AK FLOW RATE(CFS) = 23.87 £C(MIN) = 18.13 ..******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 130.02 TO NODE 130.12 IS CODE = 5 > >COMPUTE TRAPEZOIDAL- CHANNEL FLOW « «< » » >TRAVELTIME THRU SUBAREA « «< ■ UPSTREAM NODE ELEVATION = 1297.00 DOWNSTREAM NODE ELEVATION = 1285.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 720.00 CHANNEL BASE(FEET) = 3.00 "Z" FACTOR = 2.000 MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 2.00 CHANNEL FLOW THRU SUBAREA(CFS) = 23.87 FLOW VELOCITY(FEET /SEC) = 4.88 FLOW DEPTH(FEET) = .98 ,.,, TRAVEL TIME(MIN.) = 2.46 TC(MIN.) = 20.59 +rr ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** s• FLOW PROCESS FROM NODE 130.20 TO NODE 130.12 IS CODE = 8 • » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< "'' 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.177 SOIL CLASSIFICATION IS "An ^1 1SIDENTIAL - >,3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 BAREA AREA(ACRES) = 5.00 SUBAREA RUNOFF(CFS) = 7.18 iFFECTIVE AREA(ACRES) = 20.00 . r AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 20.00 m PEAK FLOW RATE(CFS) = 28.72 TC(MIN) = 20.59 w ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ▪ FLOW PROCESS FROM NODE 130.12 TO NODE 130.22 IS CODE = 6 • .» »COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA « «< UPSTREAM ELEVATION = 1285.00 DOWNSTREAM ELEVATION = 1283.00 ,.. STREET LENGTH(FEET) = 320.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 32.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 24.00 do INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 28.72 STREETFLOW MODEL RESULTS: NOTE: STREETFLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREETFLOW RESULTS ARE BASED ON THE ASSUMPTION .Y. THAT NEGLIBLE FLOW OCCURS OUTSIDE OF THE STREET CHANNEL. THAT IS, ALL FLOW ALONG THE PARKWAY, ETC., IS NEGLECTED. ... STREET FLOWDEPTH(FEET) = .69 HALFSTREET FLOODWIDTH(FEET) = 20.37 ow AVERAGE FLOW VELOCITY(FEET /SEC.) = 2.91 PRODUCT OF DEPTH &VELOCITY = 1.99 e" STREETFLOW TRAVELTIME(MIN) = 1.84 TC(MIN) = 22.43 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.069 SOIL CLASSIFICATION IS 'IAA' RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) _ .5820 , 'BAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 c.FFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 28.72 «.. END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .69 HALFSTREET FLOODWIDTH(FEET) = 20.37 - FLOW VELOCITY(FEET /SEC.) = 2.91 DEPTH *VELOCITY = 1.99 .******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 130.21 TO NODE 130.22 IS CODE = 8 » OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.069 .,n, SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 wu SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 26.76 EFFECTIVE AREA(ACRES) = 40.00 ad AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 40.00 - PEAK FLOW RATE(CFS) = 53.52 +ir TC(MIN) = 22.43 o :******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 130.22 TO NODE 130.10 IS CODE = 3 am »COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » »»USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « « < DEPTH OF FLOW IN 42.0 INCH PIPE IS 29.0 INCHES m PIPEFLOW VELOCITY(FEET /SEC.) = 7.6 UPSTREAM NODE ELEVATION = 1283.00 DOWNSTREAM NODE ELEVATION = 1280.00 m. FLOWLENGTH(FEET) = 680.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 42.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 53.52 tAVEL TIME(MIN.) = 1.50 .TC(MIN.) = 23.93 r ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ,,, FLOW PROCESS FROM NODE 130.31 TO NODE 130.10 IS CODE = 8 ▪ » »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< m 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) = 40.00 SUBAREA RUNOFF(CFS) = 50.68 ""'EFFECTIVE AREA(ACRES) = 80.00 mr AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 80.00 PEAK FLOW RATE(CFS) = 101.36 TC(MIN) = 23.93 t******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 130.10 TO NODE 130.10 IS CODE = 1 » »DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< - » » >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES « «< 1° ' CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 23.93 RAINFALL INTENSITY (INCH. /HOUR) = 1.99 TECTIVE STREAM AREA(ACRES) = 80.00 DOTAL STREAM AREA(ACRES) = 80.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 101.36 ... CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE ... NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) "" 1 104.67 26.16 1.886 .58 80.00 2 101.36 23.93 1.990 .58 80.00 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE ,o NUMBER Q(CFS) AREA(ACRES) ,,,,,, 1 198.56 160.00 2 204.71 153.17 ei COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 204.71 TIME(MINUTES) = 23.926 M• EFFECTIVE AREA(ACRES) = 153.17 TOTAL AREA(ACRES) = 160.00 se * m* ******************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 130.10 TO NODE 132.10 IS CODE = 3 ". »COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< ,» »USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< w DEPTH OF FLOW IN 63.0 INCH PIPE IS 45.8 INCHES .. PIPEFLOW VELOCITY(FEET /SEC.) = 12.1 UPSTREAM NODE ELEVATION = 1280.00 wir DOWNSTREAM NODE ELEVATION = 1267.00 • FLOWLENGTH(FEET) = 2000.00 MANNINGS N = ,.013 ESTIMATED PIPE DIAMETER(INCH) = 63.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 204.71 .AVEL TIME(MIN.) = 2.74 TC(MIN.) = 26.67 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** .., FLOW PROCESS FROM NODE 132.20 TO NODE 132.10 IS CODE = 8 • » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< *m 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.864 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 120.00 SUBAREA RUNOFF(CFS) = 138.48 ® "' EFFECTIVE AREA(ACRES) = 273.17 m AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 280.00 PEAK FLOW RATE(CFS) = 315.25 TC(MIN) = 26.67 00 „******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 132.10 TO NODE 140.10 IS CODE = 3 ee » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< omm » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< "N` DEPTH OF FLOW IN 63.0 INCH PIPE IS 46.2 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 18.5 "" TTPSTREAM NODE ELEVATION = 1267.00 , )WNSTREAM NODE ELEVATION = 1227.00 .LOWLENGTH(FEET) = 2650.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 63.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 315.25 • TRAVEL TIME(MIN.) = 2.38 TC(MIN.) = 29.05 .******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** r " FLOW PROCESS FROM NODE 140.10 TO NODE 140.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 29.05 RAINFALL INTENSITY (INCH. /HOUR) = 1.77 r . EFFECTIVE STREAM AREA(ACRES) = 273.17 TOTAL STREAM AREA(ACRES) = 280.00 ... PEAK FLOW RATE(CFS) AT CONFLUENCE = 315.25 :******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** *18 FLOW PROCESS FROM NODE 2004.00 TO NODE 2004.01 IS CODE = 2 • » » >RATIONAL METHOD INITIAL SUBAREA ANALYSIS« «< "' DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 3 -4 DWELLINGS /ACRE ONO "I C = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 ITIAL SUBAREA FLOW - LENGTH = 1000.00 'STREAM ELEVATION = 1280.00 wr DOWNSTREAM ELEVATION = 1262.00 ELEVATION DIFFERENCE = 18.00 00 TC = .412 *[( 1000.00 ** 3.00)/( 18.00)] ** .20 = 14.583 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.678 rr SOIL CLASSIFICATION IS "A" e.•RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA RUNOFF(CFS) = 14.15 "'TOTAL AREA(ACRES) = 7.50 PEAK FLOW RATE(CFS) = 14.15 w.. ******************************,************ * * * * * * * * * * * * * * * * ** * * * * * * * * * * * ** FLOW PROCESS FROM NODE 2004.01 TO NODE 2004.02 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL- CHANNEL FLOW« «< ,w » » >TRAVELTIME THRU SUBAREA« «< ,...UPSTREAM NODE ELEVATION = 1262.00 DOWNSTREAM NODE ELEVATION = 1244.00 wo CHANNEL LENGTH THRU SUBAREA(FEET) = 1000.00 CHANNEL BASE(FEET) = 3.00 "Z" FACTOR = 2.000 ""* MANNINGS FACTOR = .013 MAXIMUM DEPTH(FEET) = 2.00 CHANNEL FLOW THRU SUBAREA(CFS) = 14.15 4. FLOW VELOCITY(FEET /SEC) = 7.99 FLOW DEPTH(FEET) = .45 TRAVEL TIME(MIN.) = 2.09 TC(MIN.) = 16.67 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** • „FLOW PROCESS FROM NODE 2004.10 TO NODE 2004.02 IS CODE = 8 w » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< o 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.472 SOIL CLASSIFICATION IS "A" " RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) _ .5820 SUBAREA AREA(ACRES) = 7.50 SUBAREA RUNOFF(CFS) = 12.76 ""'EFFECTIVE AREA(ACRES) = 15.00 TERAGED Fm(INCH /HR) = .582 �r DOTAL AREA(ACRES) = 15.00 PEAK FLOW RATE(CFS) = 25.51 TC(MIN) = 16.67 „,******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 2004.02 TO NODE 2004.03 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL - CHANNEL FLOW« «< • » » >TRAVELTIME THRU SUBAREA« «< - UPSTREAM NODE ELEVATION = 1244.00 DOWNSTREAM NODE ELEVATION = 1237.00 "'- CHANNEL LENGTH THRU SUBAREA(FEET) = 640.00 No CHANNEL BASE(FEET) = 3.00 "Z" FACTOR = 2.000 MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 2.00 CHANNEL FLOW THRU SUBAREA(CFS) = 25.51 FLOW VELOCITY(FEET /SEC) = 4.23 FLOW DEPTH(FEET) = 1.14 .0 TRAVEL TIME(MIN.) = 2.52 TC(MIN.) = 19.19 0. ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 60 FLOW PROCESS FROM NODE 2004.20 TO NODE 2004.03 IS CODE = 8 w » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< ▪ 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.272 IL CLASSIFICATION IS "A" _ .2SIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 ,,,, SUBAREA AREA(ACRES) = 5.00 SUBAREA RUNOFF(CFS) = 7.60 EFFECTIVE AREA(ACRES) = 20.00 ,. AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 20.00 r Ne PEAK FLOW RATE(CFS) = 30.41 4* TC(MIN) = 19.19 OW * t***************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ' .LOW PROCESS FROM NODE 2004.03 TO NODE 2006.10 IS CODE = 6 Nop » » >COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA« «< s UPSTREAM ELEVATION = 1237.00 DOWNSTREAM ELEVATION = 1235.00 sr STREET LENGTH(FEET) = 320.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 32.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 24.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 AM SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 Now * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 30.41 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) = .69 HALFSTREET FLOODWIDTH(FEET) = 20.37 AVERAGE FLOW VELOCITY(FEET /SEC.) = 3.08 PRODUCT OF DEPTH &VELOCITY = 2.11 *6 STREETFLOW TRAVELTIME(MIN) = 1.73 TC(MIN) = 20.92 '- 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.157 )IL CLASSIFICATION IS "A" ..r:SIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) _ .00 SUBAREA RUNOFF(CFS) = .00 EFFECTIVE AREA(ACRES) = 20.00 .,. AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 30.41 - END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .69 HALFSTREET FLOODWIDTH(FEET) = 20.37 FLOW VELOCITY(FEET /SEC.) = 3.08 DEPTH *VELOCITY = 2.11 .A. .******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 2006.00 TO NODE 2006.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< rr 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.157 �,. SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 No SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 28.34 EFFECTIVE AREA(ACRES) = 40.00 NAM AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 40.00 " PEAK FLOW RATE(CFS) = 56.69 TC(MIN) = 20.92 k **************** **************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** eft OW PROCESS FROM NODE 2006.10 TO NODE 2007.10 IS CODE = 3 �rw » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » » > USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< NN- DEPTH OF FLOW IN 42.0 INCH PIPE IS 29.6 INCHES ANN rr PIPEFLOW VELOCITY(FEET /SEC.) = 7.8 - UPSTREAM NODE ELEVATION = 1235.00 DOWNSTREAM NODE ELEVATION = 1232.00 11111 vLOWLENGTH(FEET) = 640.00 MANNINGS N = .013 3TIMATED PIPE DIAMETER(INCH) = 42.00 NUMBER OF PIPES = 1 ""_IPEFLOW THRU SUBAREA(CFS) = 56.69 m TRAVEL TIME(MIN.) = 1.36 TC(MIN.) = 22.28 ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** es FLOW PROCESS FROM NODE 2007.00 TO NODE 2007.10 IS CODE = 8 ▪ » »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< fa" 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.077 SOIL CLASSIFICATION IS "A" ▪ RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 53.80 EFFECTIVE AREA(ACRES) = 80.00 AVERAGED Fm(INCH /HR) = .582 'TOTAL AREA(ACRES) = 80.00 err PEAK FLOW RATE(CFS) = 107.61 TC(MIN) = 22.28 _0******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 2007.10 TO NODE 140.10 IS CODE = 3 » > COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » »USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< • DEPTH OF FLOW IN 48.0 INCH PIPE IS 34.6 INCHES "PEFLOW VELOCITY(FEET /SEC.) = 11.1 may ,,PSTREAM NODE ELEVATION = 1232.00 DOWNSTREAM NODE ELEVATION = 1227.00 FLOWLENGTH(FEET) = 640.00 MANNINGS N = .013 ow ESTIMATED PIPE DIAMETER(INCH) = 48.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 107.61 ... TRAVEL TIME(MIN.) = .96 TC(MIN.) = 23.24 k******************************************** * * * * * * * * * * * * * * * * * * * * ** * * * * * * * ** "^ FLOW PROCESS FROM NODE 2008.21 TO NODE 140.10 IS CODE = 8 `• » »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< • 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.025 u , SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 51.93 EFFECTIVE AREA(ACRES) = 120.00 .w AVERAGED Fm(INCH /HR) _ .582 TOTAL AREA(ACRES) = 120.00 +. PEAK FLOW RATE(CFS) = 155.79 TC(MIN) = 23.24 rr _******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 140.10 TO NODE 140.10 IS CODE = 1 »DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< -> >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES« «< err CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: ,�. TIME OF CONCENTRATION(MINUTES) = 23.24 RAINFALL INTENSITY (INCH. /HOUR) = 2.02 411110 a. err EFFECTIVE STREAM AREA(ACRES) = 120.00 • TOTAL STREAM AREA(ACRES) = 120.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 155.79 %NFLUENCE INFORMATION: -rREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE - NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) +®* 1 315.25 29.05 1.771 .58 273.17 2 155.79 23.24 2.025 .58 120.00 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO "'"" CONFLUENCE FORMULA USED FOR 2 STREAMS. up SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) m 1 443.65 393.17 2 461.81 338.56 ,. COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 461.81 TIME(MINUTES) = 23.245 m EFFECTIVE AREA(ACRES) = 338.56 TOTAL AREA(ACRES) = 400.00 x ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 140.10 TO NODE 140.30 IS CODE = 3 ■r » »COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » »USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 69.0 INCH PIPE IS 56.2 INCHES m 'PEFLOW VELOCITY(FEET /SEC.) = 20.4 ..PSTREAM NODE ELEVATION = 1227.00 .. DOWNSTREAM NODE ELEVATION = 1200.00 FLOWLENGTH(FEET) = 1700.00 MANNINGS N = .013 "" ESTIMATED PIPE DIAMETER(INCH) = 69.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 461.81 "" TRAVEL TIME(MIN.) = 1.39 TC(MIN.) = 24.63 ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 2009.00 TO NODE 140.30 IS CODE = 8 » »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.955 m SOIL CLASSIFICATION IS ',An RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) _ .5820 .. SUBAREA AREA(ACRES) = 50.00 SUBAREA RUNOFF(CFS) = 61.79 EFFECTIVE AREA(ACRES) = 388.56 r " r ' AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 450.00 110 PEAK FLOW RATE(CFS) = 480.22 TC(MIN) = 24.63 ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** up FLOW PROCESS FROM NODE 140.30 TO NODE 140.30 IS CODE = 1 ,�. »DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< m CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 24.63 '"" RAINFALL INTENSITY (INCH. /HOUR) = 1.96 EFFECTIVE STREAM AREA(ACRES) = 388.56 4Koft mem TOTAL STREAM AREA(ACRES) = 450.00 me PEAK FLOW RATE(CFS) AT CONFLUENCE = 480.22 • END OF STUDY SUMMARY: TOTAL AREA(ACRES) 450.00 mo EFFECTIVE AREA(ACRES) = 388.56 PEAK FLOW RATE(CFS) = 480.22 END OF RATIONAL METHOD ANALYSIS wow .Y1 ms . ******************************** ** * * * *** * * * * * * ** *'k * * ** * ** * * * ** * ** ** * * ** ** 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 ANY Especially prepared for: HALL & FOREMAN mr* * * * * * * * * * * * * * * * * * * * * * * * ** DESCRIPTION OF STUDY * * * * * * * * * * * * * * * * * * * * * * * * ** * W. FONTANA LINE T -7 (REVISED) FOR 100 -YR. STORM. lc A. NOT DESIGN Q. * T. ARROYO, JN 3547 11/27/89. * a ft************************************************************************* 'e* FILE NAME: WFONT7R.100 TIME /DATE OF STUDY: 15:55 11/27/1989 IP 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* -, 1 0 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = .970 ( 0 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.470 "\..OMPUTED RAINFALL INTENSITY DATA: STORM EVENT = 100.00 1 -HOUR INTENSITY(INCH /HOUR) = 1.4700 "'" SLOPE OF INTENSITY DURATION CURVE = .6000 ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** - FLOW PROCESS FROM NODE 133.00 TO NODE 133.01 IS CODE = 2 �.» » » > RATIONAL METHOD INITIAL SUBAREA ANALYSIS« «< ,.. DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL - > 3 - 4 DWELLINGS /ACRE ,w TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW - LENGTH = 1000.00 4110 UPSTREAM ELEVATION = 1385.00 DOWNSTREAM ELEVATION = 1362.00 °° ELEVATION DIFFERENCE = 23.00 TC = .412 *[( 1000.00 ** 3.00)/( 23.00))** .20 = 13.885 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.537 m SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) _ .5820 um SUBAREA RUNOFF(CFS) = 19.95 TOTAL AREA(ACRES) = 7.50 PEAK FLOW RATE(CFS) = 19.95 ,w. " `******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 133.01 TO NODE 134.01 IS CODE = 5 - , » »COMPUTE TRAPEZOIDAL- CHANNEL FLOW« «< •»>TRAVELTIME THRU SUBAREA « «< UPSTREAM NODE ELEVATION = 1362.00 r DOWNSTREAM NODE ELEVATION = 1344.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1000.00 *® CHANNEL BASE(FEET) = 3.00 "Z" FACTOR = 2.000 MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 2.00 es CHANNEL FLOW THRU SUBAREA(CFS) = 19.95 FLOW VELOCITY(FEET /SEC) = 4.68 FLOW DEPTH(FEET) = .89 °*" TRAVEL TIME(MIN.) = 3.56 TC(MIN.) = 17.44 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 134.00 TO NODE 134.01 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< Mir 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.085 X 011 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 ® SUBAREA AREA(ACRES) = 7.50 SUBAREA RUNOFF(CFS) = 16.89 EFFECTIVE AREA(ACRES) = 15.00 00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 15.00 • PEAK FLOW RATE(CFS) = 33.79 • TC(MIN) = 17.44 ***************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** . rLOW PROCESS FROM NODE 134.01 TO NODE 134.10 IS CODE = 5 • » » > COMPUTE TRAPEZOIDAL- CHANNEL FLOW« «< » » >TRAVELTIME THRU SUBAREA« «< 0. UPSTREAM NODE ELEVATION = 1344.00 • DOWNSTREAM NODE ELEVATION = 1332.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 670.00 CHANNEL BASE(FEET) = 3.00 "Z" FACTOR = 2.000 MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 2.00 CHANNEL FLOW THRU SUBAREA(CFS) = 33.79 - FLOW VELOCITY(FEET /SEC) = 5.40 FLOW DEPTH(FEET) = 1.17 TRAVEL TIME(MIN.) = 2.07 TC(MIN.) = 19.51 m******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 133.12 TO NODE 134.10 IS CODE = 8 00 r » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.884 4 " SOIL CLASSIFICATION IS "A" • RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 5.00 SUBAREA RUNOFF(CFS) = 10.36 EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH /HR) = .582 rw '"r)TAL AREA(ACRES) = 20.00 AK FLOW RATE(CFS) = 41.44 "*. IC (MIN) = 19.51 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** m ' FLOW PROCESS FROM NODE 134.10 TO NODE 135.10 IS CODE = 6 o » » >COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA « «< ✓ "PSTREAM ELEVATION = 1332.00 DOWNSTREAM ELEVATION = 1330.00 :'BEET LENGTH(FEET) = 320.00 CURB HEIGTH(INCHES) = 8. • DTREET HALFWIDTH(FEET) = 20.00 " DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 12.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 "" OUTSIDE STREET CROSSFALL(DECIMAL) _ .040 • SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 Aoo * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 41.44 MO ** *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) = .75 HALFSTREET FLOODWIDTH(FEET) = 20.00 ""' AVERAGE FLOW VELOCITY(FEET /SEC.) = 3.37 PRODUCT OF DEPTH &VELOCITY = 2.51 am STREETFLOW TRAVELTIME(MIN) = 1.58 TC(MIN) = 21.10 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.752 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) _ .5820 ow SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 EFFECTIVE AREA(ACRES) = 20.00 "VERAGED Fm(INCH /HR) = .582 ITAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 41.44 • LND OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .75 HALFSTREET FLOODWIDTH(FEET) = 20.00 "" FLOW VELOCITY(FEET /SEC.) = 3.37 DEPTH *VELOCITY = 2.51 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** '"" FLOW PROCESS FROM NODE 135.00 TO NODE 135.10 IS CODE = 8 err » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.752 wo SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 "" SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 39.06 EFFECTIVE AREA(ACRES) = 40.00 "" AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 40.00 """ PEAK FLOW RATE(CFS) = 78.13 TC(MIN) = 21.10 Oa MO :******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** imp FLOW PROCESS FROM NODE 135.10 TO NODE 136.10 IS CODE = 3 ,., » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » » > USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< ow PTH OF FLOW IN 45.0 INCH PIPE IS 31.5 INCHES .. PIPEFLOW VELOCITY(FEET /SEC.) = 9.4 UPSTREAM NODE ELEVATION = 1330.00 °w DOWNSTREAM NODE ELEVATION = 1325.50 FLOWLENGTH(FEET) = 720.00 MANNINGS N = .013 41111 ESTIMATED PIPE DIAMETER(INCH) = 45.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 78.13 - TRAVEL TIME(MIN.) = 1.27 TC(MIN.) = 22,.37 atr * :***************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ""' rLOW PROCESS FROM NODE 136.00 TO NODE 136.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.657 "r► SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 ". SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 74.71 EFFECTIVE AREA(ACRES) = 80.00 ° ' M AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 80.00 ""' PEAK FLOW RATE(CFS) = 149.42 err TC(MIN) = 22.37 ".******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 136.10 TO NODE 130.10 IS CODE = 3 • » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< OK DEPTH OF FLOW IN 45.0 INCH PIPE IS 36.3 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 15.6 UPSTREAM NODE ELEVATION = 1325.50 1111 DOWNSTREAM NODE ELEVATION = 1280.00 FLOWLENGTH(FEET) = 2750.00 MANNINGS N = .013 1111 z'STIMATED PIPE DIAMETER(INCH) = 45.00 NUMBER OF PIPES = 1 : PEFLOW THRU SUBAREA(CFS) = 149.42 TRAVEL TIME(MIN.) = 2.93 TC(MIN.) = 25.30 w ;******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 130.10 TO NODE 130.10 IS CODE = 1 ow » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: °" TIME OF CONCENTRATION(MINUTES) = 25.30 RAINFALL INTENSITY (INCH. /HOUR) = 2.47 EFFECTIVE STREAM AREA(ACRES) = 80.00 TOTAL STREAM AREA(ACRES) = 80.00 4 " PEAK FLOW RATE(CFS) AT CONFLUENCE = 149.42 4410 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 130.00 TO NODE 130.01 IS CODE = 2 - » » >RATIONAL METHOD INITIAL SUBAREA ANALYSIS« «< gar 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 = 1334.00 ^r)WNSTREAM ELEVATION = 1313.00 EVATION DIFFERENCE = 21.00 «. C = .412 *[( 1000.00 ** 3.00)/( 21.00)] ** .20 = 14.140 NW 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.499 SOIL CLASSIFICATION IS "A" • RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA RUNOFF(CFS) = 19.69 amm TOTAL AREA(ACRES) = 7.50 PEAK FLOW RATE(CFS) = 19.69 m** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ,OW PROCESS FROM NODE 130.01 TO NODE 130.02 IS CODE = 5 »» >COMPUTE TRAPEZOIDAL- CHANNEL FLOW« «< » » >TRAVELTIME THRU SUBAREA « «< aim UPSTREAM NODE ELEVATION = 1313.00 DOWNSTREAM NODE ELEVATION = 1297.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1000.00 CHANNEL BASE(FEET) = 3.00 "Z" FACTOR = 2.000 MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 2.00 aw CHANNEL FLOW THRU SUBAREA(CFS) = 19.69 FLOW VELOCITY(FEET /SEC) = 4.62 FLOW DEPTH(FEET) = .89 TRAVEL TIME(MIN.) = 3.60 TC(MIN.) = 17.74 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** " FLOW PROCESS FROM NODE 130.10 TO NODE 130.02 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.053 .", SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 7.50 SUBAREA RUNOFF(CFS) = 16.68 EFFECTIVE AREA(ACRES) = 15.00 r.. AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 15.00 DEAK FLOW RATE(CFS) = 33.36 :(MIN) = 17.74 _********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 130.02 TO NODE 130.12 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL- CHANNEL FLOW« «< » » >TRAVELTIME THRU SUBAREA« «< UPSTREAM NODE ELEVATION = 1297.00 A- DOWNSTREAM NODE ELEVATION = 1285.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 720.00 "`°" CHANNEL BASE(FEET) = 3.00 "Z" FACTOR = 2.000 MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 2.00 " CHANNEL FLOW THRU SUBAREA(CFS) = 33.36 FLOW VELOCITY(FEET /SEC) = 5.33 FLOW DEPTH(FEET) = 1.17 TRAVEL TIME(MIN.) = 2.25 TC(MIN.) = 20.00 ern ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 130.20 TO NODE 130.12 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< .x- 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.842 "A SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) _ .5820 " ^TJBAREA AREA(ACRES) = 5.00 SUBAREA RUNOFF(CFS) = 10.17 FECTIVE AREA(ACRES) = 20.00 £TERAGED Fm(INCH /HR) = .582 +.r TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 40.68 ,",, TC(MIN) = 20.00 atitt IOW ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** M4 FLOW PROCESS FROM NODE 130.12 TO NODE 130.22 IS CODE = 6 •» > COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA« «< UPSTREAM ELEVATION = 1285.00 DOWNSTREAM ELEVATION = 1283.00 "'STREET LENGTH(FEET) = 320.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 32.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 24.00 - INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 40.68 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) = .75 HALFSTREET FLOODWIDTH(FEET) = 23.37 AVERAGE FLOW VELOCITY(FEET /SEC.) = 3.25 PRODUCT OF DEPTH &VELOCITY = 2.43 STREETFLOW TRAVELTIME(MIN) = 1.64 TC(MIN) = 21.64 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.711 .". SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) _ .5820 - gUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 'FECTIVE AREA(ACRES) = 20.00 '■' AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 40.68 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .75 HALFSTREET FLOODWIDTH(FEET) = 23.37 FLOW VELOCITY(FEET /SEC.) = 3.25 DEPTH *VELOCITY = 2.43 ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 130.21 TO NODE 130.22 IS CODE = 8 » »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.711 "• SOIL CLASSIFICATION IS ',Au RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 I " SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 38.32 EFFECTIVE AREA(ACRES) = 40.00 '" AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 40.00 PEAK FLOW RATE(CFS) = 76.64 TC(MIN) = 21.64 ewe :******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** w. FLOW PROCESS FROM NODE 130.22 TO NODE 130.10 IS CODE = 3 » »COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< »USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 45.0 INCH PIPE IS 36.1 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 8.1 UPSTREAM NODE ELEVATION = 1283.00 DOWNSTREAM NODE ELEVATION = 1280.00 • FLOWLENGTH(FEET) = 680.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 45.00 NUMBER OF PIPES = 1 m. PIPEFLOW THRU SUBAREA(CFS) = 76.64 ▪ TRAVEL TIME(MIN.) = 1.40 TC(MIN.) = 23.04 • ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** • FLOW PROCESS FROM NODE 130.31 TO NODE 130.10 IS CODE = 8 • » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< • 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.611 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 • SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 73.03 EFFECTIVE AREA(ACRES) = 80.00 ,,,,,, AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 80.00 • PEAK FLOW RATE(CFS) = 146.05 TC(MIN) = 23.04 .********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 130.10 TO NODE 130.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< » »>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES « «< API CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: ,,., TIME OF CONCENTRATION(MINUTES) = 23.04 RAINFALL INTENSITY (INCH. /HOUR) = 2.61 �.. t'FFECTIVE STREAM AREA(ACRES) = 80.00 )TAL STREAM AREA(ACRES) = 80.00 - rEAK FLOW RATE(CFS) AT CONFLUENCE = 146.05 - CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE 6 " NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) - 1 149.42 25.30 2.468 .58 80.00 2 146.05 23.04 2.611 .58 80.00 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. • SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE .. NUMBER Q(CFS) AREA(ACRES) "' 1 285.23 160.00 2 292.41 152.86 • COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: rr PEAK FLOW RATE(CFS) = 292.41 TIME(MINUTES) = 23.039 EFFECTIVE AREA(ACRES) = 152.86 TOTAL AREA(ACRES) = 160.00 wr ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 411 FLOW PROCESS FROM NODE 130.10 TO NODE 132.10 IS CODE = 3 m - > » > COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< »USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< wr_ DEPTH OF FLOW IN 69.0 INCH PIPE IS 55.6 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 13.0 UPSTREAM NODE ELEVATION = 1280.00 "" DOWNSTREAM NODE ELEVATION = 1267.00 elm FLOWLENGTH(FEET) = 2000.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 69.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 292.41 rw "'RAVEL TIME(MIN.) = 2.56 TC(MIN.) = 25.60 ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 10 FLOW PROCESS FROM NODE 132.20 TO NODE 132.10 IS CODE = 8 0111 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< "r" 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.451 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 120.00 SUBAREA RUNOFF(CFS) = 201.83 EFFECTIVE AREA(ACRES) = 272.86 ,,. AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 280.00 ow PEAK FLOW RATE(CFS) = 458.94 TC(MIN) = 25.60 ' 1 4******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 132.10 TO NODE 140.10 IS CODE = 3 »» >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 72.0 INCH PIPE IS 53.6 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 20.3 UPSTREAM NODE ELEVATION = 1267.00 • nOWNSTREAM NODE ELEVATION = 1227.00 ,OWLENGTH(FEET) = 2650.00 MANNINGS N = .013 to' z,STIMATED PIPE DIAMETER(INCH) = 72.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 458.94 • TRAVEL TIME(MIN.) = 2.17 TC(MIN.) = 27.77 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** - FLOW PROCESS FROM NODE 140.10 TO NODE 140.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: +". TIME OF CONCENTRATION(MINUTES) = 27.77 RAINFALL INTENSITY (INCH. /HOUR) = 2.33 em EFFECTIVE STREAM AREA(ACRES) = 272.86 TOTAL STREAM AREA(ACRES) = 280.00 'I' PEAK FLOW RATE(CFS) AT CONFLUENCE = 458.94 ******************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** rr FLOW PROCESS FROM NODE 2004.00 TO NODE 2004.01 IS CODE = 2 » » >RATIONAL METHOD INITIAL SUBAREA ANALYSIS« «< rr= DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 3 -4 DWELLINGS /ACRE TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 +a INITIAL SUBAREA FLOW - LENGTH = 1000.00 STREAM ELEVATION = 1280.00 +■* IJOWNSTREAM ELEVATION = 1262.00 ELEVATION DIFFERENCE = 18.00 ". TC = .412 *[( 1000.00 ** 3.00)/( 18.00)] ** .20 = 14.583 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.435 "" SOIL CLASSIFICATION IS "A" " • RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA RUNOFF(CFS) = 19.26 TOTAL AREA(ACRES) = 7.50 PEAK FLOW RATE(CFS) = 19.26 .. ...****************************************** ** * * * * * * * * * ** * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 2004.01 TO NODE 2004.02 IS CODE = 5 » »>COMPUTE TRAPEZOIDAL- CHANNEL FLOW« «< Psi » »>TRAVELTIME THRU SUBAREA« « < 4011 UPSTREAM NODE ELEVATION = 1262.00 DOWNSTREAM NODE ELEVATION = 1244.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1000.00 tor CHANNEL BASE(FEET) = 3.00 e FACTOR = 2.000 MANNINGS FACTOR = .013 MAXIMUM DEPTH(FEET) = 2.00 ., CHANNEL FLOW THRU SUBAREA(CFS) = 19.26 FLOW VELOCITY(FEET /SEC) = 8.60 FLOW DEPTH(FEET) = .55 • TRAVEL TIME(MIN.) = 1.94 TC(MIN.) = 16.52 - ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** "" FLOW PROCESS FROM NODE 2004.10 TO NODE 2004.02 IS CODE = 8 ' » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< • 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.187 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 • SUBAREA AREA(ACRES) = 7.50 SUBAREA RUNOFF(CFS) = 17.58 EFFECTIVE AREA(ACRES) = 15.00 AVERAGED Fm(INCH /HR) = .582 )TAL AREA(ACRES) = 15.00 • rEAK FLOW RATE(CFS) = 35.17 TC(MIN) = 16.52 � * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 2004.02 TO NODE 2004.03 IS CODE = 5 » »>COMPUTE TRAPEZOIDAL- CHANNEL FLOW« «< »»>TRAVELTIME THRU SUBAREA« «< UPSTREAM NODE ELEVATION = 1244.00 - DOWNSTREAM NODE ELEVATION = 1237.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 640.00 +.. CHANNEL BASE(FEET) = 3.00 "Z" FACTOR = 2.000 MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 2.00 60 CHANNEL FLOW THRU SUBAREA(CFS) = 35.17 FLOW VELOCITY(FEET /SEC) = 4.68 FLOW DEPTH(FEET) = 1.33 ""' TRAVEL TIME(MIN.) = 2.28 TC(MIN.) = 18.80 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** '■ FLOW PROCESS FROM NODE 2004.20 TO NODE 2004.03 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< gra 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.949 +•, ^ OIL CLASSIFICATION IS "A" ;SIDENTIAL - >'3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 4.4 SUBAREA AREA(ACRES) = 5.00 SUBAREA RUNOFF(CFS) = 10.65 EFFECTIVE AREA(ACRES) = 20.00 '"" AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 20.00 - PEAK FLOW RATE(CFS) = 42.61 16 ' TC(MIN) = 18.80 ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** IOW PROCESS FROM NODE 2004.03 TO NODE 2006.10 IS CODE = 6 » » > COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA« «< 011 UPSTREAM ELEVATION = 1237.00 DOWNSTREAM ELEVATION = 1235.00 am STREET LENGTH(FEET) = 320.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 32.00 «r DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 24.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 ,„, OUTSIDE STREET CROSSFALL(DECIMAL) = .040 ,.,, SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 wr * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 42.61 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) = .76 HALFSTREET FLOODWIDTH(FEET) = 24.13 AVERAGE FLOW VELOCITY(FEET /SEC.) = 3.22 PRODUCT OF DEPTH &VELOCITY = 2.45 STREETFLOW TRAVELTIME(MIN) = 1.65 TC(MIN) = 20.45 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.804 • QOIL CLASSIFICATION IS "A" :SIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 - oUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 EFFECTIVE AREA(ACRES) = 20.00 • AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 42.61 "' END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .76 HALFSTREET FLOODWIDTH(FEET) = 24.13 - FLOW VELOCITY(FEET /SEC.) = 3.22 DEPTH *VELOCITY = 2.45 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 2006.00 TO NODE 2006.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« « < 4.. 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.804 0 " SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 '"+' SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 39.99 EFFECTIVE AREA(ACRES) = 40.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 40.00 PEAK FLOW RATE(CFS) = 79.98 • TC (MIN) = 20.45 ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** .w "LOW PROCESS FROM NODE 2006.10 TO NODE 2007.10 IS CODE = 3 i >» »COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » » USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< rr DEPTH OF FLOW IN 45.0 INCH PIPE IS 36.5 INCHES • PIPEFLOW VELOCITY(FEET /SEC.) = 8.3 dr m. rr UPSTREAM NODE ELEVATION = 1235.00 DOWNSTREAM NODE ELEVATION = 1232.00 FLOWLENGTH(FEET) = 640.00 MANNINGS N = '.013 • FSTIMATED PIPE DIAMETER(INCH) = 45.00 NUMBER OF PIPES = 1 :PEFLOW THRU SUBAREA(CFS) = 79.98 • G RAVEL TIME(MIN.) = 1.28 TC(MIN.) = 21.73 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** Aim FLOW PROCESS FROM NODE 2007.00 TO NODE 2007.10 IS CODE = 8 m. » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< • 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.703 at SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) _ .5820 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 76.37 EFFECTIVE AREA(ACRES) = 80.00 m/ AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 80.00 .. PEAK FLOW RATE(CFS) = 152.75 TC(MIN) = 21.73 4 0 %******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** we FLOW PROCESS FROM NODE 2007.10 TO NODE 140.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< rlr DEPTH OF FLOW IN 54.0 INCH PIPE IS 40.1 INCHES DIPEFLOW VELOCITY(FEET /SEC.) = 12.1 ) STREAM NODE ELEVATION = 1232.00 - 1OWNSTREAM NODE ELEVATION = 1227.00 FLOWLENGTH(FEET) = 640.00 MANNINGS N = .013 °^^ ESTIMATED PIPE DIAMETER(INCH) = 54.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 152.75 "" TRAVEL TIME(MIN.) = .88 TC(MIN.) = 22.62 ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 2008.21 TO NODE 140.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< mm 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.640 .• SOIL CLASSIFICATION IS "An RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 Iln SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 74.07 EFFECTIVE AREA(ACRES) = 120.00 " AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 120.00 PEAK FLOW RATE(CFS) = 222.21 TC(MIN) = 22.62 rrr ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 00 FLOW PROCESS FROM NODE 140.10 TO NODE 140.10 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) = 22.62 RAINFALL INTENSITY (INCH. /HOUR) = 2.64 EFFECTIVE STREAM AREA(ACRES) = 120.00 MIN TOTAL STREAM AREA(ACRES) = 120.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 222.21 • " ONFLUENCE INFORMATION: 'REAM PEAK FLOW TIME INTENSITY FM EFFECTIVE .., +UMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) "■° 1 458.94 27.77 2.334 .58 272.86 2 222.21 22.62 2.640 .58 120.00 me RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: • STREAM CONFLUENCE EFFECTIVE err NUMBER Q(CFS) AREA(ACRES) "., 1 648.14 392.86 2 661.26 342.25 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 661.26 TIME(MINUTES) = 22.619 +*� EFFECTIVE AREA(ACRES) = 342.25 TOTAL AREA(ACRES) = 400.00 ".******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 140.10 TO NODE 140.30 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< mar DEPTH OF FLOW IN 81.0 INCH PIPE IS 61.7 INCHES ... DIPEFLOW VELOCITY(FEET /SEC.) = 22.6 'STREAM NODE ELEVATION = 1227.00 '4 " ,DOWNSTREAM NODE ELEVATION = 1200.00 FLOWLENGTH(FEET) = 1700.00 MANNINGS N = .013 - ESTIMATED PIPE DIAMETER(INCH) = 81.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 661.26 TRAVEL TIME(MIN.) = 1.25 TC(MIN.) = 23.87 ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** bat FLOW PROCESS FROM NODE 2009.00 TO NODE 140.30 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.555 m. SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 d ' SUBAREA AREA(ACRES) = 50.00 SUBAREA RUNOFF(CFS) = 88.81 EFFECTIVE AREA(ACRES) = 392.25 "'"AVERAGED Fm(INCH/HR) _ .582 TOTAL AREA(ACRES) = 450.00 PEAK FLOW RATE(CFS) = 696.69 TC(MIN) = 23.87 • ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ,,,,, FLOW PROCESS FROM NODE 140.30 TO NODE 140.30 IS CODE = 1 • - » »DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< .w LONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 23.87 *1 " RAINFALL INTENSITY (INCH. /HOUR) = 2.56 EFFECTIVE STREAM AREA(ACRES) = 392.25 "" TOTAL STREAM AREA(ACRES) = 450.00 vrr° so - PEAK FLOW RATE(CFS) AT CONFLUENCE = 696.69 m END OF STUDY SUMMARY: TOTAL AREA(ACRES) = 450.00 gm EFFECTIVE AREA(ACRES) = 392.25 PEAK FLOW RATE(CFS) = 696.69 im END OF RATIONAL METHOD ANALYSIS mim ua es era OW lilt ANIk MS MEN mo , tat 9 INN **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 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 w * * * * * * * * * * * * * * * * * * * * * * * * ** DESCRIPTION OF STUDY * * * * * * * * * * * * * * * * * * * * ** * N. FONTANA MASTER S.D. PLAN, W. FONTANA CHANNEL LAT. 8 * Q 100 -25 YEAR, DESIGN Q FOR NORTHERN PORTION LINE T -8, INCLUDES BASEL * OVERFLOW, JN3547 *************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FILE NAME: WFONT8RA.DES •"' TIME /DATE OF STUDY: 0:59 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) = .970 100 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.470 COMPUTED RAINFALL INTENSITY DATA: STORM EVENT = 25.00 1 -HOUR INTENSITY(INCH /HOUR) = 1.1461 SLOPE OF INTENSITY DURATION CURVE = .6000 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 137.00 TO NODE 137.01 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 = 1375.00 DOWNSTREAM ELEVATION = 1352.00 ELEVATION DIFFERENCE = 23.00 TC = .412 *[( 1000.00 ** 3.00)/( 23.00)] ** .20 = 13.885 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.758 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA RUNOFF(CFS) = 14.69 TOTAL AREA(ACRES) = 7.50 PEAK FLOW RATE(CFS) = 14.69 .. 1 `. **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 137.01 TO NODE 137.02 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL - CHANNEL FLOW««< » THRU SUBAREA ««< UPSTREAM NODE ELEVATION = 1352.00 DOWNSTREAM NODE ELEVATION = 1335.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1000.00 CHANNEL BASE(FEET) = 3.00 "Z" FACTOR = 2.000 4110 MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 2.00 CHANNEL FLOW THRU SUBAREA(CFS) = 14.69 FLOW VELOCITY(FEET /SEC) = 4.23 FLOW DEPTH(FEET) = .77 .i• TRAVEL TIME(MIN.) = 3.94 TC(MIN.) = 17.82 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** .r FLOW PROCESS FROM NODE 137.10 TO NODE 137.02 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) = .5 SUBAREA AREA(ACRES) = 7.50 SUBAREA RUNOFF(CFS) = 12.10 ••• EFFECTIVE AREA(ACRES) = 15.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 15.00 PEAK FLOW RATE(CFS) = 24.20 TC(MIN) = 17.82 sow **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 137.02 TO NODE 132.12 IS CODE = 5 ,.. » » >COMPUTE TRAPEZOIDAL - CHANNEL FLOW « «< » »>TRAVELTIME THRU SUBAREA««< UPSTREAM NODE ELEVATION = 1335.00 DOWNSTREAM NODE ELEVATION = 1323.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 630.00 CHANNEL BASE(FEET) = 3.00 "Z" FACTOR = 2.000 MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 2.00 CHANNEL FLOW THRU SUBAREA(CFS) = 24.20 FLOW VELOCITY(FEET /SEC) = 5.17 FLOW DEPTH(FEET) = .95 TRAVEL TIME(MIN.) = 2.03 TC(MIN.) = 19.85 • **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 137.20 TO NODE 132.12 IS CODE = 8 Of » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.226 "' SOIL CLASSIFICATION IS "A" .. 2 wo RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 5.00 SUBAREA RUNOFF(CFS) = 7.40 EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 29.59 d „ TC(MIN) = 19.85 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** """ FLOW PROCESS FROM NODE 132.12 TO NODE 137.10 IS CODE = 6 » » >COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA « «< UPSTREAM ELEVATION = 1323.00 DOWNSTREAM ELEVATION = 1321.00 STREET LENGTH(FEET) = 320.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 20.00 as DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 12.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 r OUTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 em * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 29.59 •• ** *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) = .69 -` HALFSTREET FLOODWIDTH(FEET) = 20.00 AVERAGE FLOW VELOCITY(FEET /SEC.) = 2.97 PRODUCT OF DEPTH &VELOCITY = 2.04 ,., STREETFLOW TRAVELTIME(MIN) = 1.80 TC(MIN) = 21.65 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.113 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 S. AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 29.59 AO END OF SUBAREA STREETFLOW HYDRAULICS: . DEPTH(FEET) = .69 HALFSTREET FLOODWIDTH(FEET) = 20.00 FLOW VELOCITY(FEET /SEC.) = 2.97 DEPTH *VELOCITY = 2.04 ... **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 137.21 TO NODE 137.10 IS CODE = 8 ,., » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.113 - 3 1 k SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 27.56 ow EFFECTIVE AREA(ACRES) = 40.00 AVERAGED Fm(INCH /HR) = .582 A.. TOTAL AREA(ACRES) = 40.00 PEAK FLOW RATE(CFS) = 55.11 TC(MIN) = 21.65 o, **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 137.10 TO NODE 138.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA ««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< DEPTH OF FLOW IN 39.0 INCH PIPE IS 27.9 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 8.7 UPSTREAM NODE ELEVATION = 1321.00 DOWNSTREAM NODE ELEVATION = 1317.00 ,,,,,, FLOWLENGTH(FEET) = 630.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 39.00 NUMBER OF PIPES = 1 ow PIPEFLOW THRU SUBAREA(CFS) = 55.11 TRAVEL TIME(MIN.) = 1.21 TC(MIN.) = 22.86 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 138.00 TO NODE 138.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « « < 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.045 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 52.67 EFFECTIVE AREA(ACRES) = 80.00 AVERAGED Fm(INCH /HR) = .582 rr TOTAL AREA(ACRES) = 80.00 PEAK FLOW RATE(CFS) = 105.34 TC(MIN) = 22.86 ow **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** MIN FLOW PROCESS FROM NODE 138.10 TO NODE 138.10 IS CODE _. 1 +rr » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE« «< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 22.86 .. RAINFALL INTENSITY (INCH. /HOUR) = 2.05 EFFECTIVE STREAM AREA(ACRES) = 80.00 11 "' TOTAL STREAM AREA(ACRES) = 80.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 105.34 w x111 1r1 4 too oft aro **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 227.11 TO NODE 227.11 IS CODE = 7 we » » >USER SPECIFIED HYDROLOGY INFORMATION AT NODE««< me USER - SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 18.60 RAIN INTENSITY(INCH /HOUR) = 2.31 oo EFFECTIVE AREA(ACRES) = 50.70 TOTAL AREA(ACRES) = 50.70 PEAK FLOW RATE(CFS) = 84.60 AVERAGED LOSS RATE, Fm(IN /HR) = .582 ow .,' **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ,,. FLOW PROCESS FROM NODE 227.11 TO NODE 138.10 IS CODE = 6 •• » » >COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA ««< "o UPSTREAM ELEVATION = 1365.00 DOWNSTREAM ELEVATION = 1317.00 STREET LENGTH(FEET) = 2600.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 20.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 12.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 ... SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 84.60 ** *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) = .77 HALFSTREET FLOODWIDTH(FEET) = 20.00 AVERAGE FLOW VELOCITY(FEET /SEC.) = 6.46 PRODUCT OF DEPTH &VELOCITY = 4.95 STREETFLOW TRAVELTIME(MIN) = 6.71 TC(MIN) = 25.31 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.924 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) = 50.70 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 50.70 PEAK FLOW RATE(CFS) = 84.60 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .77 HALFSTREET FLOODWIDTH(FEET) = 20.00 FLOW VELOCITY(FEET /SEC.) = 6.46 DEPTH *VELOCITY = 4.95 r. **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 138.10 TO NODE 138.10 IS CODE = 1 ow err 5 w "' » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE ««< » » >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES « « < ++r CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 25.31 RAINFALL INTENSITY (INCH. /HOUR) = 1.92 EFFECTIVE STREAM AREA(ACRES) = 50.70 TOTAL STREAM AREA(ACRES) = 50.70 PEAK FLOW RATE(CFS) AT CONFLUENCE = 84.60 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) so 1 105.34 22.86 2.045 .58 80.00 •. 2 84.60 25.31 1.924 .58 50.70 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) i. loo 1 188.65 125.79 2 181.21 130.70 .. COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 188.65 TIME(MINUTES) = 22.856 00 EFFECTIVE AREA(ACRES) = 125.79 TOTAL AREA(ACRES) = 130.70 low **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** *■ FLOW PROCESS FROM NODE 138.10 TO NODE 139.11 IS CODE = 3 00 » » > COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< 1.1 DEPTH OF FLOW IN 57.0 INCH PIPE IS 44.6 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 12.7 UPSTREAM NODE ELEVATION = 1317.00 DOWNSTREAM NODE ELEVATION = 1312.00 FLOWLENGTH(FEET) = 630.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 57.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 188.65 'D TRAVEL TIME(MIN.) = .83 TC(MIN.) = 23.68 s. **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 139.20 TO NODE 139.11 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< so ••• 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.002 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 •• loo 6 0. SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 51.12 EFFECTIVE AREA(ACRES) = 165.79 AVERAGED Fm(INCH /HR) = .582 .. TOTAL AREA(ACRES) = 170.70 PEAK FLOW RATE(CFS) = 211.86 TC(MIN) = 23.68 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 139.11 TO NODE 139.11 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 23.68 RAINFALL INTENSITY (INCH. /HOUR) = 2.00 EFFECTIVE STREAM AREA(ACRES) = 165.79 TOTAL STREAM AREA(ACRES) = 170.70 PEAK FLOW RATE(CFS) AT CONFLUENCE = 211.86 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 227.10 TO NODE 227.10 IS CODE = 7 tie » » >USER SPECIFIED HYDROLOGY INFORMATION AT NODE««< USER - SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 18.60 RAIN INTENSITY(INCH /HOUR) = 2.31 EFFECTIVE AREA(ACRES) = 43.60 TOTAL AREA(ACRES) = 43.60 PEAK FLOW RATE(CFS) = 99.90 AVERAGED LOSS RATE, Fm(IN /HR) = .582 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 227.10 TO NODE 139.11 IS CODE = 6 » » >COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< err UPSTREAM ELEVATION = 1362.00 DOWNSTREAM ELEVATION = 1312.00 STREET LENGTH(FEET) = 2600.00 CURB HEIGTH(INCHES) = 8. , STREET HALFWIDTH(FEET) = 20.00 .., DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 12.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 +rr * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 99.90 ** *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. rr 7 oft AO STREET FLOWDEPTH(FEET) = .81 HALFSTREET FLOODWIDTH(FEET) = 20.00 AVERAGE FLOW VELOCITY(FEET /SEC.) = 6.82 PRODUCT OF DEPTH &VELOCITY = 5.49 STREETFLOW TRAVELTIME(MIN) = 6.36 TC(MIN) = 24.96 ma 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.940 iss 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) = 43.60 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 43.60 PEAK FLOW RATE(CFS) = 99.90 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .81 HALFSTREET FLOODWIDTH(FEET) = 20.00 ,., FLOW VELOCITY(FEET /SEC.) = 6.82 DEPTH *VELOCITY = 5.49 err **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 139.11 TO NODE 139.11 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< » » >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES« «< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 24.96 RAINFALL INTENSITY (INCH. /HOUR) = 1.94 EFFECTIVE STREAM AREA(ACRES) = 43.60 TOTAL STREAM AREA(ACRES) = 43.60 PEAK FLOW RATE(CFS) AT CONFLUENCE = 99.90 CONFLUENCE INFORMATION: -- STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 211.86 23.68 2.002 .58 165.79 2 99.90 24.96 1.940 .58 43.60 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO "" CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: NO STREAM CONFLUENCE EFFECTIVE - NUMBER Q(CFS) AREA(ACRES) " 1 310.99 207.17 2 302.52 209.39 °" COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 310.99 TIME(MINUTES) = 23.685 EFFECTIVE AREA(ACRES) = 207.17 •. TOTAL AREA(ACRES) = 214.30 as ****** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 139.11 TO NODE 139.12 IS CODE = 3 rrr as - 8 ewe ewe rr » »> COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< +rr DEPTH OF FLOW IN 60.0 INCH PIPE IS 48.1 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 18.4 UPSTREAM NODE ELEVATION = 1312.00 DOWNSTREAM NODE ELEVATION = 1287.00 FLOWLENGTH(FEET) = 1600.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 60.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 310.99 "41' TRAVEL TIME(MIN.) = 1.45 TC(MIN.) = 25.13 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 509.00 TO NODE 139.12 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.932 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA AREA(ACRES) = 21.00 SUBAREA RUNOFF(CFS) = 25.51 EFFECTIVE AREA(ACRES) = 228.17 , AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 235.30 PEAK FLOW RATE(CFS) = 310.99 TC(MIN) = 25.13 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 139.12 TO NODE 132.10 IS CODE = 3 » » > COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »» >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< DEPTH OF FLOW IN 60.0 INCH PIPE IS 45.2 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 19.6 UPSTREAM NODE ELEVATION = 1287.00 DOWNSTREAM NODE ELEVATION = 1267.00 FLOWLENGTH(FEET) = 1120.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 60.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 310.99 •. TRAVEL TIME(MIN.) = .95 TC(MIN.) = 26.09 zr. **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 132.10 TO NODE 132.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< » » >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES « « < wr CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 26.09 RAINFALL INTENSITY (INCH. /HOUR) = 1.89 ,10 EFFECTIVE STREAM AREA(ACRES) = 228.17 err 9 mm TOTAL STREAM AREA(ACRES) = 235.30 PEAK FLOW RATE(CFS) AT CONFLUENCE = 310.99 mmn CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE Am NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 310.99 26.09 1.889 .58 228.17 mm RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 1 STREAMS. SUMMARY RESULTS: "" STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 310.99 228.17 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: 111 PEAK FLOW RATE(CFS) = 310.99 TIME(MINUTES) = 26.085 EFFECTIVE AREA(ACRES) = 228.17 TOTAL AREA(ACRES) = 235.30 END OF STUDY SUMMARY: -^ TOTAL AREA(ACRES) = 235.30 EFFECTIVE AREA(ACRES) = 228.17 PEAK FLOW RATE(CFS) = 310.99 END OF RATIONAL METHOD ANALYSIS mm s so wm mo rr 10 r - r **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** e. 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. PLAN, W. FONTANA CHANNEL LAT. 8 * Q 100 -25 YEAR, DESIGN Q FOR SOUTHERN PORTION, INCLUDES BASELINE OVERF ..., * JN 3547 *************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FILE NAME: WFONT8RB.DES TIME/DATE OF STUDY: 2:25 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) = .970 100 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.470 COMPUTED RAINFALL INTENSITY DATA: STORM EVENT = 25.00 1 -HOUR INTENSITY(INCH /HOUR) = 1.1461 SLOPE OF INTENSITY DURATION CURVE _ .6000 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 132.10 TO NODE 132.10 IS CODE = 7 » »>USER SPECIFIED HYDROLOGY INFORMATION AT NODE««< USER - SPECIFIED VALUES ARE AS FOLLOWS: .�. TC(MIN) = 26.10 RAIN INTENSITY(INCH /HOUR) = 1.89 EFFECTIVE AREA(ACRES) = 228.20 *•* TOTAL AREA(ACRES) = 235.30 PEAK FLOW RATE(CFS) = 311.00 AVERAGED LOSS RATE, Fm(IN /HR) = .580 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** r FLOW PROCESS FROM NODE 132.10 TO NODE 132.11 IS CODE = 4 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< » » >USING USER - SPECIFIED PIPESIZE ««< PIPEFLOW VELOCITY(FEET /SEC.) = 13.1 UPSTREAM NODE ELEVATION = 1267.00 rr 1 rrr r ow Witt �+ DOWNSTREAM NODE ELEVATION = 1260.00 FLOWLENGTH(FEET) = 1000.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 66.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 311.00 TRAVEL TIME(MIN.) = 1.27 TC(MIN.) = 27.37 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 509.10 TO NODE 132.11 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.835 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 27.00 SUBAREA RUNOFF(CFS) = 30.46 EFFECTIVE AREA(ACRES) = 255.20 AVERAGED Fm(INCH /HR) = .580 TOTAL AREA(ACRES) = 262.30 PEAK FLOW RATE(CFS) = 311.00 TC(MIN) = 27.37 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 132.11 TO NODE 600.01 IS CODE = 4 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< » » >USING USER - SPECIFIED PIPESIZE« «< PIPEFLOW VELOCITY(FEET /SEC.) = 12.0 UPSTREAM NODE ELEVATION = 1260.00 DOWNSTREAM NODE ELEVATION = 1258.00 FLOWLENGTH(FEET) = 300.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 69.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 311.00 TRAVEL TIME(MIN.) = .42 TC(MIN.) = 27.79 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 600.01 TO NODE 600.02 IS CODE = 4 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » » >USING USER - SPECIFIED PIPESIZE««< DEPTH OF FLOW IN 69.0 INCH PIPE IS 41.5 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 19.1 UPSTREAM NODE ELEVATION = 1258.00 DOWNSTREAM NODE ELEVATION = 1240.00 FLOWLENGTH(FEET) = 1150.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 69.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 311.00 TRAVEL TIME(MIN.) = 1.01 TC(MIN.) = 28.80 ;rrr �., **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** arr 2 irr FLOW PROCESS FROM NODE 600.02 TO NODE 600.02 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 28.80 RAINFALL INTENSITY (INCH. /HOUR) = 1.78 EFFECTIVE STREAM AREA(ACRES) = 255.20 TOTAL STREAM AREA(ACRES) = 262.30 PEAK FLOW RATE(CFS) AT CONFLUENCE = 311.00 MR **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 600.50 TO NODE 600.51 IS CODE = 2 » » >RATIONAL METHOD INITIAL SUBAREA ANALYSIS ««< DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 5 -7 DWELLINGS /ACRE TC = K *[(LENGTH * 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW - LENGTH = 900.00 UPSTREAM ELEVATION = 1267.00 DOWNSTREAM ELEVATION = 1252.00 ELEVATION DIFFERENCE = 15.00 TC = .389 *[( 900.00 ** 3.00)/( 15.00)] ** .20 = 13.405 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.817 .r. SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4 'M. SUBAREA RUNOFF(CFS) = 19.94 TOTAL AREA(ACRES) = 9.50 PEAK FLOW RATE(CFS) = 19.94 moo **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 600.51 TO NODE 600.61 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL - CHANNEL FLOW««< » » >TRAVELTIME THRU SUBAREA « « < UPSTREAM NODE ELEVATION = 1252.00 DOWNSTREAM NODE ELEVATION = 1242.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 550.00 CHANNEL BASE(FEET) = 40.00 "Z" FACTOR = 99.990 MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 1.00 CHANNEL FLOW THRU SUBAREA(CFS) = 19.94 FLOW VELOCITY(FEET /SEC) = 2.03 FLOW DEPTH(FEET) = .17 TRAVEL TIME(MIN.) = 4.52 TC(MIN.) = 17.92 �+r **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 600.60 TO NODE 600.61 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< wr 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.366 ,., SOIL CLASSIFICATION IS "A" arr 3 us RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) .= .4 SUBAREA AREA(ACRES) = 9.50 SUBAREA RUNOFF(CFS) = 16.08 EFFECTIVE AREA(ACRES) = 19.00 AVERAGED Fm(INCH/HR) = .485 TOTAL AREA(ACRES) = 19.00 PEAK FLOW RATE(CFS) = 32.17 TC(MIN) = 17.92 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** u. FLOW PROCESS FROM NODE 600.61 TO NODE 600.02 IS CODE = 6 us » »>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA « «< UPSTREAM ELEVATION = 1242.00 DOWNSTREAM ELEVATION = 1240.00 us STREET LENGTH(FEET) = 700.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 18.00 sms DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 10.00 u" INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 32.17 ** *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) = .74 HALFSTREET FLOODWIDTH(FEET) = 18.00 AVERAGE FLOW VELOCITY(FEET /SEC.) = 2.57 PRODUCT OF DEPTH &VELOCITY = 1.91 STREETFLOW TRAVELTIME(MIN) = 4.54 TC(MIN) = 22.47 us 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.066 SOIL CLASSIFICATION IS "A" ,.. RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4 SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 EFFECTIVE AREA(ACRES) = 19.00 AVERAGED Fm(INCH /HR) = .485 *■ TOTAL AREA(ACRES) = 19.00 PEAK FLOW RATE(CFS) = 32.17 END OF SUBAREA STREETFLOW HYDRAULICS: `"" DEPTH(FEET) = .74 HALFSTREET FLOODWIDTH(FEET) = 18.00 FLOW VELOCITY(FEET /SEC.) = 2.57 DEPTH *VELOCITY = 1.91 sus .rr **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 600.30 TO NODE 600.02 IS CODE = 8 su us » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< us 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.066 us 4 us akrY WE rrr SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4 4.0 SUBAREA AREA(ACRES) = 18.00 SUBAREA RUNOFF(CFS) = 25.62 EFFECTIVE AREA(ACRES) = 37.00 40 AVERAGED Fm(INCH /HR) = .485 TOTAL AREA(ACRES) = 37.00 PEAK FLOW RATE(CFS) = 52.66 TC(MIN) = 22.47 .." **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** �., FLOW PROCESS FROM NODE 600.02 TO NODE 600.02 IS CODE = 1 ,.. » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< » » >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES ««< "r CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 22.47 RAINFALL INTENSITY (INCH. /HOUR) = 2.07 "" EFFECTIVE STREAM AREA(ACRES) = 37.00 TOTAL STREAM AREA(ACRES) = 37.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 52.66 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 311.00 28.80 1.780 .58 255.20 2 52.66 22.47 2.066 .48 37.00 aim RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE air NUMBER Q(CFS) AREA(ACRES) 1 354.14 292.20 2 353.10 236.10 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 354.14 TIME(MINUTES) = 28.796 EFFECTIVE AREA(ACRES) = 292.20 ... TOTAL AREA(ACRES). = 299.30 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** "" FLOW PROCESS FROM NODE 600.02 TO NODE 600.03 IS CODE = 4 » » > COMPUTE PIPEFLOW TRAVELTIME T}RU SUBAREA« «< » » >USING USER - SPECIFIED PIPESIZE« DEPTH OF FLOW IN 69.0 INCH PIPE IS 44.4 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 20.1 40 UPSTREAM NODE ELEVATION = 1240.00 DOWNSTREAM NODE ELEVATION = 1215.00 ,,, FLOWLENGTH(FEET) = 1500.00 MANNINGS N = .013 air 5 w4 ar ow ow ✓ GIVEN PIPE DIAMETER(INCH) = 69.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 354.14 TRAVEL TIME(MIN.) = 1.25 TC(MIN.) = 30.04 r **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 600.40 TO NODE 600.03 IS CODE = 8 wo » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR)'= 1.736 .r SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 48.00 SUBAREA RUNOFF(CFS) = 49.84 EFFECTIVE AREA(ACRES) = 340.20 AVERAGED Fm(INCH/HR) = .570 TOTAL AREA(ACRES) = 347.30 PEAK FLOW RATE(CFS) = 356.89 TC(MIN) = 30.04 *, **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 600.03 TO NODE 600.04 IS CODE = 4 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< » » >USING USER - SPECIFIED PIPESIZE««< os DEPTH OF FLOW IN 69.0 INCH PIPE IS 47.9 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 18.6 UPSTREAM NODE ELEVATION = 1215.00 w" DOWNSTREAM NODE ELEVATION = 1191.00 FLOWLENGTH(FEET) = 1750.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 69.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 356.89 TRAVEL TIME(MIN.) = 1.57 TC(MIN.) = 31.61 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 600.50 TO NODE 600.04 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.683 M, SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 w '" SUBAREA AREA(ACRES) = 56.00 SUBAREA RUNOFF(CFS) = 55.51 EFFECTIVE AREA(ACRES) = 396.20 '""" AVERAGED Fm(INCH /HR) = .572 TOTAL AREA(ACRES) = 403.30 PEAK FLOW RATE(CFS) = 396.40 TC(MIN) = 31.61 ow or **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 600.04 TO NODE 600.04 IS CODE = 1 6 www ..s IWO IOW » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 31.61 RAINFALL INTENSITY (INCH. /HOUR) = 1.68 "" EFFECTIVE STREAM AREA(ACRES) = 396.20 TOTAL STREAM AREA(ACRES) = 403.30 PEAK FLOW RATE(CFS) AT CONFLUENCE = 396.40 END OF STUDY SUMMARY: TOTAL AREA(ACRES) = 403.30 EFFECTIVE AREA(ACRES) = 396.20 OM PEAK FLOW RATE(CFS) = 396.40 END OF RATIONAL METHOD ANALYSIS AM MOO woo eri .r Alt AO so an me ,w **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 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. LINE T -8, DOES NOT INCLUDE OVERFLOWS * NOT DESIGN Q .r * VENKI.N, JN 3547, 7 /11 /90,REVISION REQUESTED BY CITY AND COUNTY *************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FILE NAME: A:WFONT8R.025 TIME/DATE OF STUDY: 8:41 7/11/1990 USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: Ant -- *TIME-OF- CONCENTRATION MODEL * -- ..,, . USER SPECIFIED STORM EVENT(YEAR) = 25.00 SPECIFIED MINIMUM PIPE SIZE(INCH) = 18.00 1 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) = .970 100 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.470 COMPUTED RAINFALL INTENSITY DATA: �.. STORM EVENT = 25.00 1 -HOUR INTENSITY(INCH /HOUR) = 1.1461 SLOPE OF INTENSITY DURATION CURVE = .6000 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 137.00 TO NODE 137.01 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 UPSTREAM ELEVATION = 1375.00 DOWNSTREAM ELEVATION = 1352.00 ss ELEVATION DIFFERENCE = 23.00 +o. TC = .412 *[( 1000.00 ** 3.00)/( 23.00)] ** .20 = 13.885 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.758 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA RUNOFF(CFS) = 14.69 TOTAL AREA(ACRES) = 7.50 PEAK FLOW RATE(CFS) = 14.69 414 1 +� **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 137.01 TO NODE 137.02 IS CODE = 5 to » » >COMPUTE TRAPEZOIDAL- CHANNEL FLOW « «< » » >TRAVELTIME THRU SUBAREA «« < AU UPSTREAM NODE ELEVATION = 1352.00 DOWNSTREAM NODE ELEVATION = 1335.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1000.00 CHANNEL BASE(FEET) = 3.00 "Z" FACTOR = 2.000 MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 2.00 CHANNEL FLOW THRU SUBAREA(CFS) = 14.69 FLOW VELOCITY(FEET /SEC) = 4.23 FLOW DEPTH(FEET) = .77 , TRAVEL TIME(MIN.) = 3.94 TC(MIN.) = 17.82 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** to FLOW PROCESS FROM NODE 137.10 TO NODE 137.02 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAR FLOW « «< air 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.374 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA AREA(ACRES) = 7.50 SUBAREA RUNOFF(CFS) = 12.10 .,,. EFFECTIVE AREA(ACRES) = 15.00 AVERAGED Fm(INCH /HR) = .582 ea TOTAL AREA(ACRES) = 15.00 PEAR FLOW RATE(CFS) = 24.20 TC(MIN) = 17.82 .., **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 137.02 TO NODE 132.12 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL- CHANNEL FLOW« «< »» >TRAVELTIME THRU SUBAREA « «< UPSTREAM NODE ELEVATION = 1335.00 ' - DOWNSTREAM NODE ELEVATION = 1323.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 630.00 CHANNEL BASE(FEET) = 3.00 "Z" FACTOR = 2.000 MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 2.00 CHANNEL FLOW THRU SUBAREA(CFS) = 24.20 """ FLOW VELOCITY(FEET /SEC) = 5.17 FLOW DEPTH(FEET) = .95 TRAVEL TIME(MIN.) = 2.03 TC(MIN.) = 19.85 are **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** m. FLOW PROCESS FROM NODE 137.20 TO NODE 132.12 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.226 or SOIL CLASSIFICATION IS "A" 0. ,re 2 ew RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 5.00 SUBAREA RUNOFF(CFS) = 7.40 OMB EFFECTIVE AREA(ACRES) = 20.00 to AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 20.00 4= PEAR FLOW RATE(CFS) = 29.59 TC(MIN) = 19.85 mo **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** """ FLOW PROCESS FROM NODE 132.12 TO NODE 137.10 IS CODE = 6 mmt » » >COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA «« < err UPSTREAM ELEVATION = 1323.00 DOWNSTREAM ELEVATION = 1321.00 AM STREET LENGTH(FEET) = 320.00 CURB HEIGTH(INCHES) = 8. to STREET HALFWIDTH(FEET) = 20.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 12.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 °"` OUTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 29.59 mt. ** *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) = .69 HALFSTREET FLOODWIDTH(FEET) = 20.00 AVERAGE FLOW VELOCITY(FEET /SEC.) = 2.97 PRODUCT OF DEPTH &VELOCITY = 2.04 STREETFLOW TRAVELTIME(MIN) = 1.80 TC(MIN) = 21.65 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.113 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 TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 29.59 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .69 HALFSTREET FLOODWIDTH(FEET) = 20.00 INN FLOW VELOCITY(FEET /SEC.) = 2.97 DEPTH *VELOCITY = 2.04 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 137.21 TO NODE 137.10 IS CODE = 8 on » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< o' 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.113 mo *r 3 mo - , , �r SOIL CLASSIFICATION IS "A" *a RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) _ .5 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 27.56 EFFECTIVE AREA(ACRES) = 40.00 km AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 40.00 PEAK FLOW RATE(CFS) = 55.11 TC(MIN) = 21.65 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 137.10 TO NODE 138.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA ««< ma » » >USING COMPUTER- ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « « < ma DEPTH OF FLOW IN 39.0 INCH PIPE IS 27.9 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 8.7 UPSTREAM NODE ELEVATION = 1321.00 e. DOWNSTREAM NODE ELEVATION = 1317.00 FLOWLENGTH(FEET) = 630.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 39.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 55.11 TRAVEL TIME(MIN.) = 1.21 TC(MIN.) = 22.86 Wft ***************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * *.* ** ids FLOW PROCESS FROM NODE 138.00 TO NODE 138.10 IS CODE = 8 w� »» >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.045 SOIL CLASSIFICATION IS "A" rr RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 52.67 EFFECTIVE AREA(ACRES) = 80.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 80.00 PEAK FLOW RATE(CFS) = 105.34 TC(MIN) = 22.86 M"" **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** are FLOW PROCESS FROM NODE 138.10 TO NODE 139.11 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< IMO DEPTH OF FLOW IN 48.0 INCH PIPE IS 33.8 INCHES MOIR PIPEFLOW VELOCITY(FEET /SEC.) = 11.1 UPSTREAM NODE ELEVATION = 1317.00 DOWNSTREAM NODE ELEVATION = 1312.00 FLOWLENGTH(FEET) = 630.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 48.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 105.34 dr 4 amr Am TRAVEL TIME(MIN.) = .94 TC(MIN.) = 23.80 ,e. Am **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** Am FLOW PROCESS FROM NODE 139.20 TO NODE 139.11 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« « < 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.996 .rr SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 •* SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 50.91 EFFECTIVE AREA(ACRES) = 120.00 Amo AVERAGED Fm(INCH /HR) = .582 A , TOTAL AREA(ACRES) = 120.00 PEAK FLOW RATE(CFS) = 152.72 tat TC(MIN) = 23.80 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** vat FLOW PROCESS FROM NODE 139.11 TO NODE 139.12 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » » >USING COMPUTER- ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< DEPTH OF FLOW IN 48.0 INCH PIPE IS 34.7 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 15.7 UPSTREAM NODE ELEVATION = 1312.00 DOWNSTREAM NODE ELEVATION = 1287.00 FLOWLENGTH(FEET) = 1600.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 48.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 152.72 TRAVEL TIME(MIN.) = 1.70 TC(MIN.) = 25.50 ^. **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 509.00 TO NODE 139.12 IS CODE = 8 �• » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< t'• 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.915 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 rr SUBAREA AREA(ACRES) = 21.00 SUBAREA RUNOFF(CFS) = 25.20 EFFECTIVE AREA(ACRES) = 141.00 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 141.00 PEAK FLOW RATE(CFS) = 169.18 TC(MIN) = 25.50 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 41" FLOW PROCESS FROM NODE 139.12 TO NODE 132.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< Am AA 5 » » >USING COMPUTER- ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 48.0 INCH PIPE Ie 35.7 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 16.9 ,,,, UPSTREAM NODE ELEVATION = 1287.00 DOWNSTREAM NODE ELEVATION = 1267.00 FLOWLENGTH(FEET) = 1120.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 48.00 NUMBER OF PIPES = 1 A" PIPEFLOW THRU SUBAREA(CFS) = 169.18 TRAVEL TIME(MIN.) = 1.11 TC(MIN.) = 26.61 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 132.10 TO NODE 132.11 IS CODE = 3 AM » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA ««< as » » >USING COMPUTER- ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< ea DEPTH OF FLOW IN 57.0 INCH PIPE IS 42.8 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 11.9 UPSTREAM NODE ELEVATION = 1267.00 DOWNSTREAM NODE ELEVATION = 1260.00 FLOWLENGTH(FEET) = 1000.00 MANNINGS N = .013 ai' ESTIMATED PIPE DIAMETER(INCH) = 57.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 169.18 TRAVEL TIME(MIN.) = 1.41 TC(MIN.) = 28.01 r„ **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 600.10 TO NODE 132.11 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< «.. 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.810 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA AREA(ACRES) = 27.00 SUBAREA RUNOFF(CFS) = 29.84 EFFECTIVE AREA(ACRES) = 168.00 ... AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 168.00 ANN PEAK FLOW RATE(CFS) = 185.69 TC(MIN) = 28.01 .r **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 132.11 TO NODE 600.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< »» >USING COMPUTER- ESTIMATED PIPESIZE (NON- PRESSURE FLOW) «« < UM DEPTH OF FLOW IN 63.0 INCH PIPE IS 47.1 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 10.7 UPSTREAM NODE ELEVATION = 1260.00 .r DOWNSTREAM NODE ELEVATION = 1258.00 FLOWLENGTH(FEET) = 400.00 MANNINGS N = .013 e 6 as a ESTIMATED PIPE DIAMETER(INCH) = 63.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 185.69 we TRAVEL TIME(MIN.) = .62 TC(MIh.) = 28.64 ww **************************************** ****** ** * * * * * * ***************** we FLOW PROCESS FROM NODE 600.01 TO NODE 600.02 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » » >USING COMPUTER- ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< �.. DEPTH OF FLOW IN 51.0 INCH PIPE IS 37.9 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 16.4 UPSTREAM NODE ELEVATION = 1258.00 DOWNSTREAM NODE ELEVATION = 1240.00 we FLOWLENGTH(FEET) = 1150.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 51.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 185.69 TRAVEL TIME(MIN.) = 1.17 TC(MIN.) = 29.80 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 600.30 TO NODE 600.02 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.744 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA AREA(ACRES) = 37.00 SUBAREA RUNOFF(CFS) = 38.70 EFFECTIVE AREA(ACRES) = 205.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 205.00 PEAR FLOW RATE(CFS) = 214.41 TC(MIN) = 29.80 �." **************************************** ***** * * * * * * * * ****************** FLOW PROCESS FROM NODE 600.02 TO NODE 600.03 IS CODE = 3 we » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< »» >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< "„ DEPTH OF FLOW IN 54.0 INCH PIPE IS 38.8 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 17.5 UPSTREAM NODE ELEVATION = 1240.00 DOWNSTREAM NODE ELEVATION = 1215.00 44" FLOWLENGTH(FEET) = 1500.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 54.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 214.41 110 TRAVEL TIME(MIN.) = 1.43 TC(MIN.) = 31.23 OFOR **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** IOW FLOW .PROCESS FROM NODE 600.40 TO NODE 600.03 IS CODE = 8 ew 7 4140 »» >ADDITION OF SUBAREA TO MAINLINp PEAK FLOW« « < 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.696 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 48.00 SUBAREA RUNOFF(CFS) = 48.12 EFFECTIVE AREA(ACRES) = 253.00 'al AVERAGED Fm(INCH /HR) = .582 40 TOTAL AREA(ACRES) = 253.00 PEAK FLOW RATE(CFS) = 253.62 TC(MIN) = 31.23 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 600.03 TO NODE 600.04 IS CODE = 3 ar » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< 41 » » >USING COMPUTER- ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « « < DEPTH OF FLOW IN 57.0 INCH PIPE IS 45.6 INCHES ... PIPEFLOW VELOCITY(FEET /SEC.) = 16.7 UPSTREAM NODE ELEVATION = 1215.00 DOWNSTREAM NODE ELEVATION = 1191.00 FLOWLENGTH(FEET) = 1750.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 57.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 253.62 TRAVEL TIME(MIN.) = 1.75 TC(MIN.) = 32.98 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 600.50 TO NODE 600.04 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAR FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.641 4 . SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 56.00 SUBAREA RUNOFF(CFS) = 53.39 EFFECTIVE AREA(ACRES) = 309.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 309.00 PEAK FLOW RATE(CFS) = 294.58 TC(MIN) = 32.98 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 600.04 TO NODE 600.04 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE «« < ,ter CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 32.98 RAINFALL INTENSITY (INCH. /HOUR) = 1.64 EFFECTIVE STREAM AREA(ACRES) = 309.00 �" 8 TOTAL STREAM AREA(ACRES) = 309.00 PEAK FLOW RATE(CFS) AT CONFLUENCE =, 294.58 END OF STUDY SUMMARY: TOTAL AREA(ACRES) = 309.00 EFFECTIVE AREA(ACRES) = 309.00 PEAK FLOW RATE(CFS) = 294.58 END OF RATIONAL METHOD ANALYSIS .4 • VO 9 we NW m********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 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: err HALL & FOREMAN * * * * * * * * * * * * * * * * * * * * * * * * ** DESCRIPTION OF STUDY * * * * * * * * * * * * * * * * * * * * * * * * ** ""a* FONTANA LINE T8 FOR 25 YR. STORM. m * * * * ******************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ` 11. FILE NAME: WFONT8R.025 TIME /DATE OF STUDY: 9:59 8/30/1989 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 m *USER- DEFINED LOGARITHMIC INTERPOLATION USED FOR RAINFALL* 10 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = .970 100 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.470 wr COMPUTED RAINFALL INTENSITY DATA: STORM EVENT = 25.00 1 -HOUR INTENSITY(INCH /HOUR) = 1.1461 ..,, SLOPE OF INTENSITY DURATION CURVE = .6000 rr. "."********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** m FLOW PROCESS FROM NODE 137.00 TO NODE 137.01 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 sow INITIAL SUBAREA FLOW - LENGTH = 1000.00 UPSTREAM ELEVATION = 1375.00 ' DOWNSTREAM ELEVATION = 1352.00 si ELEVATION DIFFERENCE = 23.00 TC = .412 *[( 1000.00 ** 3.00)/( 23.00)] ** .20 = 13.885 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 RUNOFF(CFS) = 14.69 ▪ TOTAL AREA(ACRES) = 7.50 PEAK FLOW RATE(CFS) = 14.69 w m :****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** r'LOW PROCESS FROM NODE 137.01 TO NODE 137.02 IS CODE = 5 • » »>COMPUTE TRAPEZOIDAL- CHANNEL FLOW««< » »>TRAVELTIME THRU SUBAREA««< ar oo MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 2.00 CHANNEL FLOW THRU SUBAREA(CFS) = 14.69 m FLOW VELOCITY(FEET /SEC) = 4.23 FLOW DEPTH(FEET) = .77 err TRAVEL TIME(MIN.) = 3.94 TC(MIN.) = 17.82 ow ..******************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ow FLOW PROCESS FROM NODE 137.10 TO NODE 137.02 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 SUBAREA AREA(ACRES) = 7.50 SUBAREA RUNOFF(CFS) = 12.10 el EFFECTIVE AREA(ACRES) = 15.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 15.00 PEAK FLOW RATE(CFS) = 24.20 • TC(MIN) = 17.82 ,rr ".********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 137.02 TO NODE 132.12 IS CODE = 5 ", » »>COMPUTE TRAPEZOIDAL- CHANNEL FLOW««< » »>TRAVELTIME THRU SUBAREA« «< am UPSTREAM NODE ELEVATION = 1335.00 • DOWNSTREAM NODE ELEVATION = 1323.00 ,,r CHANNEL LENGTH THRU SUBAREA(FEET) = 630.00 .HANNEL BASE(FEET) = 3.00 "Z" FACTOR = 2.000 +.. MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 2.00 CHANNEL FLOW THRU SUBAREA(CFS) = 24.20 • FLOW VELOCITY(FEET /SEC) = 5.17 FLOW DEPTH(FEET) = .95 TRAVEL TIME(MIN.) = 2.03 TC(MIN.) = 19.85 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** "" FLOW PROCESS FROM NODE 137.20 TO NODE 132.12 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.226 611 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 "" SUBAREA AREA(ACRES) = 5.00 SUBAREA RUNOFF(CFS) = 7.40 MO EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH /HR) = .582 gia TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 29.59 TC(MIN) = 19.85 so + r********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLQW PROCESS'FROM NODE 132.12 TO NODE 137.10 IS CODE = 6 .rr » »>COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< MR UPSTREAM ELEVATION = 1323.00 DOWNSTREAM ELEVATION = 1321.00 STREET LENGTH(FEET) = 320.00 CURB HEIGTH(INCHES) = 8. wo STREET HALFWIDTH(FEET) = 20.00 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 29.59 ** *STREET FLOWING FULL * ** +.e. 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. wr STREET FLOWDEPTH(FEET) = .69 HALFSTREET FLOODWIDTH(FEET) = 20.00 AVERAGE FLOW VELOCITY(FEET /SEC.) = 2.97 PRODUCT OF DEPTH &VELOCITY = 2.04 STREETFLOW TRAVELTIME(MIN) = 1.80 TC(MIN) = 21.65 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.113 "" SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 m. SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 .. EFFECTIVE AREA(ACRES) = 20.00 . AVERAGED Fm(INCH /HR) = .582 • a TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 29.59 END OF SUBAREA STREETFLOW HYDRAULICS: `o DEPTH(FEET) = .69 HALFSTREET FLOODWIDTH(FEET) = 20.00 FLOW VELOCITY(FEET /SEC.) = 2.97 DEPTH *VELOCITY = 2.04 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** "" FLOW PROCESS FROM NODE 137.21 TO NODE 137.10 IS CODE = 8 >» »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.113 " SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 27.56 m• EFFECTIVE AREA(ACRES) = 40.00 AVERAGED Fm(INCH/HR) = .582 ""^ TOTAL AREA(ACRES) = 40.00 PEAK FLOW RATE(CFS) = 55.11 TC(MIN) = 21.65 ow ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 137.10 TO NODE 138.10 IS CODE = 3 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » »> USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 39.0 INCH PIPE IS 27.9 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 8.7 .. UPSTREAM NODE ELEVATION = 1321.00 DOWNSTREAM NODE ELEVATION = 1317.00 • FLOWLENGTH(FEET) = 630.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 39.00 NUMBER OF PIPES = 1 • ?IPEFLOW THRU SUBAREA(CFS) = 55.11 • TRAVEL TIME(MIN.) = 1.21 TC(MIN.) = 22.86 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** °'� FLOW PROCESS FROM NODE 138.00 TO NODE 138.10 IS CODE = 8 VW SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 111 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUN,OFF(CFS) = 52.67 EFFECTIVE AREA(ACRES) = 80.00 AVERAGED Fm(INCH/HR) = .582 u ., 'OTAL AREA(ACRES) = 80.00 PEAK FLOW RATE(CFS) = 105.34 m TC(MIN) = 22.86 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 138.10 TO NODE 139.11 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< an DEPTH OF FLOW IN 48.0 INCH PIPE IS 33.8 INCHES • PIPEFLOW VELOCITY(FEET /SEC.) = 11.1 UPSTREAM NODE ELEVATION = 1317.00 ■. DOWNSTREAM NODE ELEVATION = 1312.00 FLOWLENGTH(FEET) = 630.00 MANNINGS N = .013 . ESTIMATED PIPE DIAMETER(INCH) = 48.00 NUMBER OF PIPES = 1 1.. PIPEFLOW THRU SUBAREA(CFS) = 105.34 TRAVEL TIME(MIN.) = .94 TC(MIN.) = 23.80 are am ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** +ar• FLOW PROCESS FROM NODE 139.20 TO NODE 139.11 IS CODE = 8 "` » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.996 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 101 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 50.91 EFFECTIVE AREA(ACRES) = 120.00 • AVERAGED Fm(INCH /HR) = .582 ■., TOTAL AREA(ACRES) = 120.00 PEAK FLOW RATE(CFS) = 152.72 • TC(MIN) = 23.80 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 139.11 TO NODE 132.10 IS CODE = 3 am » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< • »» >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< a.r DEPTH OF FLOW IN 48.0 INCH PIPE IS 34.5 INCHES ,.. PIPEFLOW VELOCITY(FEET /SEC.) = 15.8 UPSTREAM NODE ELEVATION = 1312.00 we DOWNSTREAM NODE ELEVATION = 1269.00 FLOWLENGTH(FEET) = 2720.00 MANNINGS N = .013 X1iR ESTIMATED PIPE DIAMETER(INCH) = 48.00 NUMBER OF PIPES = 1 es PIPEFLOW THRU SUBAREA(CFS) = 152.72 TRAVEL TIME(MIN.) = 2.87 TC(MIN.) = 26.67 OM ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** „ FLOW PROCESS FROM NODE 132.10 TO NODE 600.10 IS CODE = 3 "' » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< ai• UPSTREAM NODE ELEVATION = 1267.00 DOWNSTREAM NODE ELEVATION = 1258.00 " FLOWLENGTH(FEET) = 1400.00 MANNINGS N = .013 • ESTIMATED PIPE DIAMETER(INCH) = 54.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 152.72 ▪ 'RAVEL TIME(MIN.) = 2.12 TC(MIN.) = 28.79 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 600.01 TO NODE 600.02 IS CODE = 3 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA ««< M. »»>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< as DEPTH OF FLOW IN 48.0 INCH PIPE IS 34.7 INCHES gm PIPEFLOW VELOCITY(FEET /SEC.) = 15.7 UPSTREAM NODE ELEVATION = 1258.00 `". DOWNSTREAM NODE ELEVATION = 1240.00 FLOWLENGTH(FEET) = 1150.00 MANNINGS N = .013 • ESTIMATED PIPE DIAMETER(INCH) = 48.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 152.72 TRAVEL TIME(MIN.) = 1.22 TC(MIN.) = 30.01 '°'********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 600.30 TO NODE 600.02 IS CODE = 8 . » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.737 SOIL CLASSIFICATION IS "A" .OESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 37.00 SUBAREA RUNOFF(CFS) = 38.45 EFFECTIVE AREA(ACRES) = 157.00 "" AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 157.00 ... PEAK FLOW RATE(CFS) = 163.17 �.. TC(MIN) = 30.01 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** .... FLOW PROCESS FROM NODE 600.02 TO NODE 600.03 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< 000 » COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< mil DEPTH OF FLOW IN 48.0 INCH PIPE IS 35.7 INCHES +err PIPEFLOW VELOCITY(FEET /SEC.) = 16.3 UPSTREAM NODE ELEVATION = 1240.00 m. DOWNSTREAM NODE ELEVATION = 1215.00 FLOWLENGTH(FEET) = 1500.00 MANNINGS N = .013 • ESTIMATED PIPE DIAMETER(INCH) = 48.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 163.17 • TRAVEL TIME(MIN.) = 1.54 TC(MIN.) = 31.55 air • •:****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 600.40 TO NODE 600.03 IS CODE = 8 .. » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.686 NIP AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 205.00 * PEAK FLOW RATE(CFS) = 203.60 TC(MIN) = 31.55 0. ******************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** " FLOW PROCESS FROM NODE 600.03 TO NODE 600.04 IS CODE = 3 0. » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA «« < • » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) «« < a DEPTH OF FLOW IN 54.0 INCH PIPE IS 40.2 INCHES rr PIPEFLOW VELOCITY(FEET /SEC.) = 16.0 UPSTREAM NODE ELEVATION = 1215.00 • DOWNSTREAM NODE ELEVATION = 1190.90 FLOWLENGTH(FEET) = 1750.00 MANNINGS N = .013 al ESTIMATED PIPE DIAMETER(INCH) = 54.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 203.60 "" TRAVEL TIME(MIN.) = 1.82 TC(MIN.) = 33.37 m • ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 600.50 TO NODE 600.04 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.630 SOIL CLASSIFICATION IS "A" """ RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5820 SUBAREA AREA(ACRES) = 56.00 SUBAREA RUNOFF(CFS) = 52.81 .FFECTIVE AREA(ACRES) = 261.00 • AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 261.00 "' PEAK FLOW RATE(CFS) = 246.11 TC(MIN) = 33.37 err ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** '- FLOW PROCESS FROM NODE 600.04 TO NODE 600.04 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE« «< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: +* TIME OF CONCENTRATION(MINUTES) = 33.37 RAINFALL INTENSITY (INCH. /HOUR) = 1.63 ""■ EFFECTIVE STREAM AREA(ACRES) = 261.00 • TOTAL STREAM AREA(ACRES) = 261.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 246.11 END OF STUDY SUMMARY: ""' TOTAL AREA(ACRES) = 261.00 EFFECTIVE AREA(ACRES) = 261.00 PEAK FLOW RATE(CFS) = 246.11 1101 END OF RATIONAL METHOD ANALYSIS MO O gift IMO **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 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: MAI HALL & FOREMAN * * * * * * * * * * * * * * * * * * * * * * * * ** DESCRIPTION OF STUDY * * * * * * * * * * * * * * * * * * * * ** * N.FONTANA MASTER S.D LINE T -8, DOES NOT INCLUDE OVERFLOW FORM BASELin * Q 100 YR, NOT DESIGN Q * VENKI.N, JN 3547, REVISION REQUESTED BY CITY AND COUNTY *************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FILE NAME: A:WFONT8R.100 TIME/DATE OF STUDY: 8:56 7/11/1990 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) _ .970 100 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.470 COMPUTED RAINFALL INTENSITY DATA: STORM EVENT = 100.00 1 -HOUR INTENSITY(INCH /HOUR) = 1.4700 SLOPE OF INTENSITY DURATION CURVE = .6000 to ".' **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 137.00 TO NODE 137.01 IS CODE = 2 » »> RATIONAL METHOD INITIAL SUBAREA ANALYSIS «« < DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 3 -4 DWELLINGS /ACRE to TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW- LENGTH = 1000.00 UPSTREAM ELEVATION = 1375.00 DOWNSTREAM ELEVATION = 1352.00 to ELEVATION DIFFERENCE = 23.00 TC = .412 *[( 1000.00 ** 3.00)/( 23.00)] ** .20 = 13.885 o., 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.537 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA RUNOFF(CFS) = 19.95 TOTAL AREA(ACRES) = 7.50 PEAK FLOW RATE(CFS) = 19.95 1 we **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 137.01 TO NODE 137.02 IS CODE = 5 wie » » >COMPUTE TRAPEZOIDAL- CHANNEL FLOW« « < am » » >TRAVELTIME THRU SUBAREA««< UPSTREAM NODE ELEVATION = 1352.00 ., DOWNSTREAM NODE ELEVATION = 1335.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1000.00 CHANNEL BASE(FEET) = 3.00 "Z" FACTOR = 2.000 MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 2.00 "' CHANNEL FLOW THRU SUBAREA(CFS) = 19.95 FLOW VELOCITY(FEET /SEC) = 4.68 FLOW DEPTH(FEET) = .89 TRAVEL TIME(MIN.) = 3.56 TC(MIN.) = 17.44 awe **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 137.10 TO NODE 137.02 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« « < 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.085 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA AREA(ACRES) = 7.50 SUBAREA RUNOFF(CFS) = 16.89 EFFECTIVE AREA(ACRES) = 15.00 'M/ AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 15.00 PEAR FLOW RATE(CFS) = 33.79 TC(MIN) = 17.44 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 137.02 TO NODE 132.12 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL- CHANNEL FLOW ««< • » » >TRAVELTIME THRU SUBAREA « «< UPSTREAM NODE ELEVATION = 1335.00 DOWNSTREAM NODE ELEVATION = 1323.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 630.00 CHANNEL BASE(FEET) = 3.00 "Z" FACTOR = 2.000 MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 2.00 111" CHANNEL FLOW THRU SUBAREA(CFS) = 33.79 FLOW VELOCITY(FEET /SEC) = 5.61 FLOW DEPTH(FEET) = 1.14 "' TRAVEL TIME(MIN.) = 1.87 TC(MIN.) = 19.31 war �., **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 137.20 TO NODE 132.12 IS CODE = 8 ar�r MR » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 4111 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.902 SOIL•CLASSIFICATION IS "A" 2 or RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 to SUBAREA AREA(ACRES) = 5.00 SUBAREA RUNOFF(CFS) = 10.44 ,,w, EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH/HR) = .582 err TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 41.76 TC(MIN) = 19.31 ot 40 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 132.12 TO NODE 137.10 IS CODE = 6 to » » >COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA «« < ,., UPSTREAM ELEVATION = 1323.00 DOWNSTREAM ELEVATION = 1321.00 STREET LENGTH(FEET) = 320.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 20.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 12.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 41.76 ** *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) = .75 HALFSTREET FLOODWIDTH(FEET) = 20.00 AVERAGE FLOW VELOCITY(FEET /SEC.) = 3.39 PRODUCT OF DEPTH &VELOCITY = 2.53 STREETFLOW TRAVELTIME(MIN) = 1.57 TC(MIN) = 20.89 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.769 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 TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 41.76 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .75 HALFSTREET FLOODWIDTH(FEET) = 20.00 FLOW VELOCITY(FEET /SEC.) = 3.39 DEPTH *VELOCITY = 2.53 to **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 137.21 TO NODE 137.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< to 100:YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.769 ot to 3 to WO SOIL CLASSIFICATION IS "A" "" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 39.36 EFFECTIVE AREA(ACRES) = 40.00 w, AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 40.00 "S PEAK FLOW RATE(CFS) = 78.72 TC(MIN) = 20.89 OAS **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** "* FLOW PROCESS FROM NODE 137.10 TO NODE 138.10 IS CODE = 3 rr » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA ««< e » » >USING COMPUTER- ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « « < ®r DEPTH OF FLOW IN 45.0 INCH PIPE IS 31.5 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 9.5 UPSTREAM NODE ELEVATION = 1321.00 , DOWNSTREAM NODE ELEVATION = 1317.00 FLOWLENGTH(FEET) = 630.00 MANNINGS N = ,013 ESTIMATED PIPE DIAMETER(INCH) = 45.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 78.72 TRAVEL TIME(MIN.) = 1.10 TC(MIN.) = 21.99 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 138.00 TO NODE 138.10 IS CODE = 8 dm 4W »» >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< ... 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.685 SOIL CLASSIFICATION IS "A" 'r RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) _ .5 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 75.69 EFFECTIVE AREA(ACRES) = 80.00 SO AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 80.00 me PEAR FLOW RATE(CFS) = 151.38 TC(MIN) = 21.99 ,wr ' md **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 138.10 TO NODE 139.11 IS CODE = 3 "" » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 54.0 INCH PIPE IS 39.6 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 12.1 ' UPSTREAM NODE ELEVATION = 1317.00 DOWNSTREAM NODE ELEVATION = 1312.00 FLOWLENGTH(FEET) = 630.00 MANNINGS N = .013 ee ESTIMATED PIPE DIAMETER(INCH) = 54.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 151.38 OW 4 TRAVEL TIME(MIN.) = .87 TC(MIN.) = 22.86 od me **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** o. FLOW PROCESS FROM NODE 139.20 TO NODE 139.11 IS CODE = 8 ,r » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« « < ,. 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.623 do SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 73.48 ; , r , EFFECTIVE AREA(ACRES) = 120.00 AVERAGED Fm(INCH /HR) = .582 d TOTAL AREA(ACRES) = 120.00 PEAK FLOW RATE(CFS) = 220.44 do TC(MIN) = 22.86 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 139.11 TO NODE 139.12 IS CODE = 3 »» >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA «« < » » >USING COMPUTER- ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 54.0 INCH PIPE IS 40.8 INCHES dud PIPEFLOW VELOCITY(FEET /SEC.) = 17.1 UPSTREAM NODE ELEVATION = 1312.00 DOWNSTREAM NODE ELEVATION = 1287.00 FLOWLENGTH(FEET) = 1600.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 54.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 220.44 TRAVEL TIME(MIN.) = 1.56 TC(MIN.) = 24.42 err "." **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 509.00 TO NODE 139.12 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.521 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 do. SUBAREA AREA(ACRES) = 21.00 SUBAREA RUNOFF(CFS) = 36.65 EFFECTIVE AREA(ACRES) = 141.00 "` AVERAGED Fm(INCH/HR) = .582 d , TOTAL AREA(ACRES) = 141.00 PEAK FLOW RATE(CFS) = 246.08 ,.. TC(MIN) = 24.42 err **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** do FLOW PROCESS FROM NODE 139.12 TO NODE 132.10 IS CODE = 3 mgr » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< d 5 od "w » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « « < ORM DEPTH OF FLOW IN 54.0 INCH PIPE IS 42.5 INCHES us PIPEFLOW VELOCITY(FEET /SEC.) = 18.3 ,"," UPSTREAM NODE ELEVATION = 1287.00 DOWNSTREAM NODE ELEVATION = 1267.00 FLOWLENGTH(FEET) = 1120.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 54.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 246.08 TRAVEL TIME(MIN.) = 1.02 TC(MIN.) = 25.43 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 132.10 TO NODE 132.11 IS CODE = 3 s » » > COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< o" »» >USING COMPUTER- ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< 4 " DEPTH OF FLOW IN 66.0 INCH PIPE IS 48.9 INCHES to PIPEFLOW VELOCITY(FEET /SEC.) = 13.0 UPSTREAM NODE ELEVATION = 1267.00 DOWNSTREAM NODE ELEVATION = 1260.00 FLOWLENGTH(FEET) = 1000.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 66.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 246.08 TRAVEL TIME(MIN.) = 1.28 TC(MIN.) = 26.71 ANWO ,.. **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 600.10 TO NODE 132.11 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.389 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 27.00 SUBAREA RUNOFF(CFS) = 43.91 EFFECTIVE AREA(ACRES) = 168.00 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 168.00 PEAR FLOW RATE(CFS) = 273.19 TC(MIN) = 26.71 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** *"+ FLOW PROCESS FROM NODE 132.11 TO NODE 600.10 IS CODE = 3 AO COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » » >USING COMPUTER- ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « « < DEPTH OF FLOW IN 72.0 INCH PIPE IS 55.3 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 11.7 UPSTREAM NODE ELEVATION = 1260.00 os DOWNSTREAM NODE ELEVATION = 1258.00 FLOWLENGTH(FEET) = 400.00 MANNINGS N = .013 6 a m, mr ESTIMATED PIPE DIAMETER(INCH) = 72.00 NUMBER OF PIPES = 1 mm PIPEFLOW THRU SUBAREA(CFS) = 273.19 TRAVEL TIME(MIN.) = .57 TC(MIN.) = 27.28 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 600.01 TO NODE 600.02 IS CODE = 3 W" » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) «« < DEPTH OF FLOW IN 57.0 INCH PIPE IS 46.0 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 17.8 AM` UPSTREAM NODE ELEVATION = 1258.00 DOWNSTREAM NODE ELEVATION = 1240.00 FLOWLENGTH(FEET) = 1150.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 57.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 273.19 TRAVEL TIME(MIN.) = 1.08 TC(MIN.) = 28.36 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 600.30 TO NODE 600.02 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAR FLOW «« < 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.305 SOIL CLASSIFICATION IS "A" ^� RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 37.00 SUBAREA RUNOFF(CFS) = 57.37 EFFECTIVE AREA(ACRES) = 205.00 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 205.00 PEAR FLOW RATE(CFS) = 317.85 TC(MIN) = 28.36 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 600.02 TO NODE 600.03 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « « < ter DEPTH OF FLOW IN 60.0 INCH PIPE IS 47.6 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 19.0 '"" UPSTREAM NODE ELEVATION = 1240.00 DOWNSTREAM NODE ELEVATION = 1215.00 FLOWLENGTH(FEET) = 1500.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 60.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 317.85 m" TRAVEL TIME(MIN.) = 1.31 TC(MIN.) = 29.67 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW .PROCESS FROM NODE 600.40 TO NODE 600.03 IS CODE = 8 mm err 7 WM p ms » » >ADDITION OF SUBAREA TO MAINLINg PEAK FLOW« « < +w 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.243 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 od" SUBAREA AREA(ACRES) = 48.00 SUBAREA RUNOFF(CFS) = 71.75 EFFECTIVE AREA(ACRES) = 253.00 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 253.00 PEAK FLOW RATE(CFS) = 378.19 TC(MIN) = 29.67 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 600.03 TO NODE 600.04 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< »» >USING COMPUTER- ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « « < DEPTH OF FLOW IN 66.0 INCH PIPE IS 53.3 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 18.4 UPSTREAM NODE ELEVATION = 1215.00 DOWNSTREAM NODE ELEVATION = 1191.00 FLOWLENGTH(FEET) = 1750.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 66.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 378.19 TRAVEL TIME(MIN.) = 1.59 TC(MIN.) = 31.26 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 600.50 TO NODE 600.04 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.174 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) _ .5 SUBAREA AREA(ACRES) = 56.00 SUBAREA RUNOFF(CFS) = 80.23 EFFECTIVE AREA(ACRES) = 309.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 309.00 PEAK FLOW RATE(CFS) = 442.72 TC(MIN) = 31.26 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 600.04 TO NODE 600.04 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE« « < CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 31.26 RAINFALL INTENSITY (INCH. /HOUR) = 2.17 EFFECTIVE STREAM AREA(ACRES) = 309.00 8 TOTAL STREAM AREA(ACRES) = 309.00 PEAK FLOW RATE(CFS) AT CONFLUENCE =, 442.72 END OF STUDY SUMMARY: TOTAL AREA(ACRES) = 309.00 EFFECTIVE AREA(ACRES) = 309.00 PEAK FLOW RATE(CFS) = 442.72 END OF RATIONAL METHOD ANALYSIS 0a 44. 4%. mom mom mis 9 tom m*.******************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 7 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 me * * * * * * * * * * * * * * * * * * * * * * * * ** DESCRIPTION OF STUDY * * * * * * * * * * * * * * * * * * * * * * * * ** N. FONTANA MASTER S.D. PLAN, W.FONTANA CHANNEL LATERAL 6. S Q 100 -YR., DESIGN Q FOR W. FONTANA CHANNEL ONLY. JN 3547, T. ARROYO, 11/28/89. ******************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FILE NAME: WFONT6R.100 ..r TIME /DATE OF STUDY: 15:22 11/29/1989 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 e' 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) = .970 100 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.470 • ^OMPUTED RAINFALL INTENSITY DATA: FORM EVENT = 100.00 1 -HOUR INTENSITY(INCH /HOUR) = 1.4700 • s LOPE OF INTENSITY DURATION CURVE = .6000 k******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 454.00 TO NODE 454.10 IS CODE = 2 • » » > RATIONAL METHOD INITIAL SUBAREA ANALYSIS« «< r ` 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 = 1266.00 kin arr wrr gas di ' srr DOWNSTREAM ELEVATION = 1249.00 - ELEVATION DIFFERENCE = 17.00 TC = .412 *[( 1000.00 ** 3.00) /( 17.00)]* .20 = 14.751 w 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.411 SOIL CLASSIFICATION IS "A" • ESIDENTIAL-> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 arr JBAREA RUNOFF(CFS) = 25.46 TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 25.46 ;******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 454.10 TO NODE 455.21 IS CODE = 6 » » >COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA « «< alit UPSTREAM ELEVATION = 1249.00 DOWNSTREAM ELEVATION = 1247.30 • STREET LENGTH(FEET) = 350.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 36.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 24.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 25.46 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) _ .71 HALFSTREET FLOODWIDTH(FEET) = 17.62 AVERAGE FLOW VELOCITY(FEET /SEC.) = 2.71 PRODUCT OF DEPTH &VELOCITY = 1.93 STREETFLOW TRAVELTIME(MIN) = 2.15 TC(MIN) = 16.90 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.144 ... SOIL CLASSIFICATION IS ""A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 - SUBAREA AREA(ACRES) _ .00 SUBAREA RUNOFF(CFS) _ .00 EFFECTIVE AREA(ACRES) = 10.00 m- AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS),= 25.46 • END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .71 HALFSTREET FLOODWIDTH(FEET) = 17.62 m. FLOW VELOCITY(FEET /SEC.) = 2.71 DEPTH *VELOCITY = 1.93 * ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 455.00 TO NODE 455.21 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< on- 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.144 al SOIL CLASSIFICATION IS ',An RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 40 SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 23.06 EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH/HR) _ .582 TOTAL AREA(ACRES) = 20.00 ^AK FLOW RATE(CFS) = 46.11 2(MIN) = 16.90 * ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** err FLOW PROCESS FROM NODE 455.21 TO NODE 456.01 IS CODE = 3 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< au » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< mi " " ^PTH OF FLOW IN 39.0 INCH PIPE IS 29.1 INCHES ▪ 4.PEFLOW VELOCITY(FEET /SEC.) = 6.9 UPSTREAM NODE ELEVATION = 1247.30 ,,.,,,DOWNSTREAM NODE ELEVATION = 1245.00 FLOWLENGTH(FEET) = 575.00 MANNINGS N = .013 um ESTIMATED PIPE DIAMETER(INCH) = 39.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 46.11 TRAVEL TIME(MIN.) = 1.38 TC(MIN.) = 18.28 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** """'FLOW PROCESS FROM NODE 456.00 TO NODE 456.01 IS CODE = 8 sir » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.999 ow SOIL CLASSIFICATION IS "A't RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) _ .5820 .�. SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 43.51 EFFECTIVE AREA(ACRES) = 40.00 am AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 40.00 "° PEAK FLOW RATE(CFS) = 87.02 TC(MIN) = 18.28 • ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** u „ FLOW PROCESS FROM NODE 456.01 TO NODE 457.01 IS CODE = 3 .»COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » »USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< r.. DEPTH OF FLOW IN 51.0 INCH PIPE IS 37.6 INCHES • PIPEFLOW VELOCITY(FEET /SEC.) = 7.8 UPSTREAM NODE ELEVATION = 1245.00 "°" DOWNSTREAM NODE ELEVATION = 1242.80 FLOWLENGTH(FEET) = 630.00 MANNINGS N = .013 ""' ESTIMATED PIPE DIAMETER(INCH) = 51.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 87.02 TRAVEL TIME(MIN.) = 1.35 TC(MIN.) = 19.64 • ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 457.00 TO NODE 457.01 IS CODE = 8 .r� » »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.873 u m SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 SUBAREA AREA(ACRES) = 28.00 SUBAREA RUNOFF(CFS) = 57.74 EFFECTIVE AREA(ACRES) = 68.00 m AVERAGED Fm(INCH /HR) = .582 rr TOTAL AREA(ACRES) = 68.00 PEAK FLOW RATE(CFS) = 140.23 ," TC(MIN) = 19.64 arr K E ****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** .a FLOW PROCESS FROM NODE 457.01 TO NODE 455.10 IS CODE = 3 arr rr » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< m » »> USING COMPUTER - ESTIMATED PIPESIZE (NON7PRESSURE FLOW) « «< or DEPTH OF FLOW IN 57.0 INCH PIPE IS 41.9 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 10.0 m VSTREAM NODE ELEVATION = 1242.80 aro )WNSTREAM NODE ELEVATION = 1239.00 FLOWLENGTH(FEET) = 750.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 57.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 140.23 mi TRAVEL TIME(MIN.) = 1.24 TC(MIN.) = 20.88 k*** ***************************************** * * * * * * * * ** * * * * * * * * * * * * * * * * * * * ** m FLOW PROCESS FROM NODE 457.10 TO NODE 455.10 IS CODE = 8 6161 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< rr 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.769 SOIL. CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 „r" SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 78.74 EFFECTIVE AREA(ACRES) = 108.00 "1. AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 108.00 m PEAK FLOW RATE(CFS) = 212.61 TC(MIN) = 20.88 "********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 455.10 TO NODE 458.10 IS CODE = 3 • » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< » »USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< - 1 _ - -- DEPTH OF FLOW IN 57.0 INCH PIPE IS 45.5 INCHES .rw PIPEFLOW VELOCITY(FEET /SEC.) = 14.0 roc UPSTREAM NODE ELEVATION = 1239.00 - DOWNSTREAM NODE ELEVATION = 1223.00 FLOWLENGTH(FEET) = 1650.00 MANNINGS N = .013 4 "' ESTIMATED PIPE DIAMETER(INCH) = 57.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 212.61 6111 TRAVEL TIME(MIN.) = 1.96 TC(MIN.) = 22.84 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 0111 FLOW PROCESS FROM NODE 458.00 TO NODE 458.10 IS CODE = 8 air » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< od- 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.624 • SOIL CLASSIFICATION IS 'IA'' RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5820 d• SUBAREA AREA(ACRES) = 78.00 SUBAREA RUNOFF(CFS) = 143.36 EFFECTIVE AREA(ACRES) = 186.00 ' AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 186.00 " PEAK FLOW RATE(CFS) = 341.85 TC(MIN) = 22.84 do od *' ****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** • .OW PROCESS FROM NODE 458.10 TO NODE 458.10 IS CODE = 1 ..," » »>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< ar�r " CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: A. TIME OF CONCENTRATION(MINUTES) = 22.84 RAINFALL INTENSITY (INCH. /HOUR) = 2.62 m EFFECTIVE STREAM AREA(ACRES) = 186.00 TOTAL STREAM AREA(ACRES) = 186.00 X141 . 'AK FLOW RATE(CFS) AT CONFLUENCE = 341.85 END OF STUDY SUMMARY: TOTAL AREA(ACRES) = 186.00 EFFECTIVE AREA(ACRES) = 186.00 as PEAK FLOW RATE(CFS) = 341.85 .. END OF RATIONAL METHOD ANALYSIS op AM WIND gom taboo aid mor mok a.r so rr BEECH, FOOTHILL, ARROW & CITRUS, I. logo = /Z9 CF5 R/W R/W • 1 I 12' 32' 32' 12' 8' t 24' 24' 0 4 . e 1 4 I O Level Line _ O _ _ — Q - -_ Sto• a 1/4":1 4 • 2% 27 4% 8" Curb a Gutter Sidewalk LEVEL SECTION r,- - SECONDARY HIGHWAY SECONDARY HIGHWAY • 1 SECTION A B C DE T I LTC 0 -78fr 10'.r - 9- -- 43.'666 • r. LEVEL -.18 -,48 0.00 -.48 -.18 . • CITY OF FONTANA, CALIFORNIA Drown By .Nava SECONDARY HIGHWAY Checked By STD. TYPICAL SECTION Approved DETAIL CITY ENGINEER Dote 7-13 r6 100 -B Not To Scale SIM 4110 wr 4r 'WO CYPRESS, JUNIPER, OLEANDER & MILLER /.B % = /35.57 CF5 /. 7 % _ /3/. 75 CF5 /. G % = /278/ CF5 a 5% = 73 CF5 R/W R/W �,. 6 4' , 12' 20' ' 20' 12' o. 8' I 12' 12' I 8' aes, A ..a �.J Slope ' I/4 : I' —E,,,' O L eve l Line © 0 1 5�„� �r I taw 4 % — 8" Curb 8 Gutter Sidewalk LEVEL SECTION COLLECTOR STREET COLLECTOR STREETS SECTION A B C D E iZW.It TILTED .02 - 9' -r r+' --.4-3: .13' O.00' wr LEVEL 0.00' -30 -.06 -.30 0.00' 400 G. Navarro CITY OF FONTANA,CALIFORNIA Drawn By S TD. COLLECTOR STREETS Checked By Approved e J DETAIL TYPICAL SECTION CITY ENGINEER • IO" C Not To Scale Dote 7 '! 76 WM w. err SULTANA /.(o% _ /275 CF5 0.5% = 73 CE5 R/W R/W *my 6 0' 12' 18' I 18' 12' ago 8� 10' 10' 8' 0.5' 4� _ 4' 0,5' ` — — Level Line Q © Slope I/4" I� Slope I/4 : 1 — - -- -- — - -- MI 4% 2% 2% 4 6 Curb & Gutter Sidewalk LEVEL SECTION am= LOCAL STREET LOCAL STREETS SECTION , A B C 0 E Mt MIS TILTED •-5&- &6 --E6- --26 0OO so LEVEL - -07 —.20 0.00 -.20 —.07 CITY OF FONTANA ,CALIFORNIA Drawn By G. Navarro Checked STD. LOCAL STREETS ey DETAIL A pproved / 1 4‘ , ":4 4, - -k----' TYPICAL SECTION CITY ENGINEER • Cote 7-13-76 100'0 Tc Scale Wr ANA * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * 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. PLAN, WEST FONTNA CHANNEL * Q 100 YEAR, DESIGN Q * JN 3547 *************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FILE NAME: WFONCHLR.DES TIME/DATE OF STUDY: 1:38 1/ 1/1980 USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: w -- *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) = .970 100 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.470 COMPUTED RAINFALL INTENSITY DATA: STORM EVENT = 100.00 1 -HOUR INTENSITY(INCH /HOUR) = 1.4700 SLOPE OF INTENSITY DURATION CURVE = .6000 r.. �., **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 108.33 TO NODE 108.33 IS CODE = 7 » » >USER SPECIFIED HYDROLOGY INFORMATION AT NODE ««< USER - SPECIFIED VALUES ARE AS FOLLOWS: FR04i1 TC(MIN) = 22.44 RAIN INTENSITY(INCH /HOUR) = 2.65 22,47x.4 EFFECTIVE AREA(ACRES) = 247.89 F'p,Q TOTAL AREA(ACRES) = 288.00 PEAK FLOW RATE(CFS) = 474.14 AO AVERAGED LOSS RATE, Fm(IN /HR) = .580 WFoA/ /, /oc.:: **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 108.33 TO NODE 108.34 IS CODE = 3 MR » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< wr » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) ««< DEPTH OF FLOW IN 102.0 INCH PIPE IS 77.8 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 10.2 1 .ir 0. ®w - or UPSTREAM NODE ELEVATION = 1241.00 DOWNSTREAM NODE ELEVATION = 1239.50 FLOWLENGTH(FEET) = 630.00 MANNINGS N = .013 rr, ESTIMATED PIPE DIAMETER(INCH) = 102.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 474.14 ,., TRAVEL TIME(MIN.) = 1.03 TC(MIN.) = 23.47 wrr **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** *■ FLOW PROCESS FROM NODE 108.34 TO NODE 109.40 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL - CHANNEL FLOW« «< » » >TRAVELTIME THRU SUBAREA ««< UPSTREAM NODE ELEVATION = 1239.50 DOWNSTREAM NODE ELEVATION = 1239.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 620.00 CHANNEL BASE(FEET) = 20.00 "Z" FACTOR = .000 MANNINGS FACTOR = .014 MAXIMUM DEPTH(FEET) = 5.00 CHANNEL FLOW THRU SUBAREA(CFS) = 474.14 FLOW VELOCITY(FEET /SEC) = 6.04 FLOW DEPTH(FEET) = 3.93 TRAVEL TIME(MIN.) = 1.71 TC(MIN.) = 25.18 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 109.40 TO NODE 109.40 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE ««< „", CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 25.18 RAINFALL INTENSITY (INCH. /HOUR) = 2.48 EFFECTIVE STREAM AREA(ACRES) = 247.89 .• TOTAL STREAM AREA(ACRES) = 288.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 474.14 rr+ **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 109.40 TO NODE 109.40 IS CODE = 7 w » » >USER SPECIFIED HYDROLOGY INFORMATION AT NODE ««< USER - SPECIFIED VALUES ARE AS FOLLOWS: F- , TC(MIN) = 28.54 RAIN INTENSITY (INCH /HOUR) = 2.30 Arcx/:h'L - 4-(747 .p EFFECTIVE AREA(ACRES) = 463.99 TOTAL AREA(ACRES) = 511.96 PEAK FLOW RATE(CFS) = 715.65 AVERAGED LOSS RATE, Fm(IN /HR) = .582 ** *ERROR; SPECIFIED LOSS RATE, FM IS LESS THAN MINIMUM % 2 aro POSSIBLE VALUE OF .58(INCHES /HOUR) **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 109.40 TO NODE 109.40 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< 2 MR O Oft » » >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES ««< MA CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: r TIME OF CONCENTRATION(MINUTES) = 28.54 RAINFALL INTENSITY (INCH. /HOUR) = 2.30 EFFECTIVE STREAM AREA(ACRES) = 463.99 TOTAL STREAM AREA(ACRES) = 511.96 we PEAK FLOW RATE(CFS) AT CONFLUENCE = 715.65 ow CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) *w 1 474.14 25.18 2.475 .58 247.89 2 715.65 28.54 2.296 .58 463.99 tau RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO "" CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 1171.55 657.25 2 1144.96 711.88 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 1171.55 TIME(MINUTES) = 25.180 EFFECTIVE AREA(ACRES) = 657.25 TOTAL AREA(ACRES) = 799.96 "". **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 109.40 TO NODE 1505.10 IS CODE = 5 , » » > COMPUTE TRAPEZOIDAL - CHANNEL FLOW««< » » >TRAVELTIME THRU SUBAREA« UPSTREAM NODE ELEVATION = 1239.00 DOWNSTREAM NODE ELEVATION = 1236.70 CHANNEL LENGTH THRU SUBAREA(FEET) = 1315.00 CHANNEL BASE(FEET) = 25.00 "Z" FACTOR = .000 MANNINGS FACTOR = .014 MAXIMUM DEPTH(FEET) = 6.00 CHANNEL FLOW THRU SUBAREA(CFS) = 1171.55 FLOW VELOCITY(FEET /SEC) = 10.02 FLOW DEPTH(FEET) = 4.68 "" TRAVEL TIME(MIN.) = 2.19 TC(MIN.) = 27.37 ow **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ow FLOW PROCESS FROM NODE 1505.10 TO NODE 1505.10 IS CODE = 1 ,rr » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE ««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 27.37 RAINFALL INTENSITY (INCH. /HOUR) = 2.35 EFFECTIVE STREAM AREA(ACRES) = 657.25 3 ow toom MO arr ` TOTAL STREAM AREA(ACRES) = 799.96 PEAK FLOW RATE(CFS) AT CONFLUENCE = 1171.55 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ..,, FLOW PROCESS FROM NODE 1505.10 TO NODE 1505.10 IS CODE = 7 rr » » >USER SPECIFIED HYDROLOGY INFORMATION AT NODE««< M" USER- SPECIFIED VALUES ARE AS FOLLOWS: j7 /7 TC(MIN) = 25.12 RAIN INTENSITY(INCH /HOUR) = 2.48 c.a,e .r EFFECTIVE AREA(ACRES) = 320.70 TOTAL AREA(ACRES) = 342.30 PEAK FLOW RATE(CFS) = 547.42 '"" AVERAGED LOSS RATE, Fm (IN /HR) = .582 Utiaic/eyL 3 GGL T - 3" **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 1505.10 TO NODE 1505.10 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) = 25.12 RAINFALL INTENSITY (INCH. /HOUR) = 2.48 EFFECTIVE STREAM AREA(ACRES) = 320.70 °" TOTAL STREAM AREA(ACRES) = 342.30 PEAK FLOW RATE(CFS) AT CONFLUENCE = 547.42 ,.� CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 1171.55 27.37 2.354 .58 657.25 2 547.42 25.12 2.479 .58 320.70 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 1683.13 977.95 MD 2 1698.10 924.00 .r COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 1698.10 TIME(MINUTES) = 25.120 EFFECTIVE AREA(ACRES) = 924.00 TOTAL AREA(ACRES) = 1142.26 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** or FLOW PROCESS FROM NODE 1505.10 TO NODE 114.40 IS CODE = 5 » »> COMPUTE TRAPEZOIDAL - CHANNEL FLOW««< m" » » >TRAVELTIME THRU SUBAREA« «< 4 .rr UPSTREAM NODE ELEVATION = 1236.70 DOWNSTREAM NODE ELEVATION = 1226.30 00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1425.00 CHANNEL BASE(FEET) = 25.00 "Z" FACTOR = .000 MANNINGS FACTOR = .013 MAXIMUM DEPTH(FEET) = 5.00 CHANNEL FLOW THRU SUBAREA(CFS) = 1698.10 FLOW VELOCITY(FEET /SEC) = 19.21 FLOW DEPTH(FEET) = 3.54 TRAVEL TIME(MIN.) = 1.24 TC(MIN.) = 26.36 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 114.40 TO NODE 114.40 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE ««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 26.36 060 RAINFALL INTENSITY (INCH. /HOUR) = 2.41 EFFECTIVE STREAM AREA(ACRES) = 924.00 .. TOTAL STREAM AREA(ACRES) = 1142.26 PEAK FLOW RATE(CFS) AT CONFLUENCE = 1698.10 ar m. **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 114.40 TO NODE 114.40 IS CODE = 7 » » >USER SPECIFIED HYDROLOGY INFORMATION AT NODE« «< _ - - - - -_ USER- SPECIFIED VALUES ARE AS FOLLOWS: p ,4 A t TC(MIN) = 28.42 RAIN INTENSITY(INCH /HOUR) = 2.30 EFFECTIVE AREA(ACRES) = 380.65 TOTAL AREA(ACRES) = 397.15 PEAK FLOW RATE(CFS) = 589.63 .. AVERAGED LOSS RATE, Fm(IN /HR) = .582 T 4 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 114.40 TO NODE 114.40 IS CODE = 1 »» >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< » » >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES« «< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 28.42 RAINFALL INTENSITY (INCH. /HOUR) = 2.30 EFFECTIVE STREAM AREA(ACRES) = 380.65 ,., TOTAL STREAM AREA(ACRES) = 397.15 PEAK FLOW RATE(CFS) AT CONFLUENCE = 589.63 arr CONFLUENCE INFORMATION: *• STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 4111 1 1698.10 26.36 2.408 .58 924.00 2 589.63 28.42 2.302 .58 380.65 r 5 .1111 WO w� OR ,rr RAINFALL INTENSITY AND TIME OF CONCENTRATION. RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. wr SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 2278.78 1277.00 2 2188.72 1304.65 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 2278.78 TIME(MINUTES) = 26.356 ° EFFECTIVE AREA(ACRES) = 1277.00 TOTAL AREA(ACRES) = 1539.41 sola wr **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 114.40 TO NODE 456.10 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL - CHANNEL FLOW « » » >TRAVELTIME THRU SUBAREA««< UPSTREAM NODE ELEVATION = 1226.40 DOWNSTREAM NODE ELEVATION = 1223.30 CHANNEL LENGTH THRU SUBAREA(FEET) = 620.00 CHANNEL BASE(FEET) = 35.00 "Z" FACTOR = .000 MANNINGS FACTOR = .014 MAXIMUM DEPTH(FEET) = 5.00 `MI CHANNEL FLOW THRU SUBAREA(CFS) = 2278.78 FLOW VELOCITY(FEET /SEC) = 16.42 FLOW DEPTH(FEET) = 3.96 TRAVEL TIME(MIN.) = .63 TC(MIN.) = 26.99 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 456.10 TO NODE 456.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: f a . TIME OF CONCENTRATION(MINUTES) = 26.99 RAINFALL INTENSITY (INCH. /HOUR) = 2.37 EFFECTIVE STREAM AREA(ACRES) = 1277.00 TOTAL STREAM AREA(ACRES) = 1539.41 PEAK FLOW RATE(CFS) AT CONFLUENCE = 2278.78 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 456.10 TO NODE 456.10 IS CODE = 7 » » >USER SPECIFIED HYDROLOGY INFORMATION AT NODE««< USER - SPECIFIED VALUES ARE AS FOLLOWS: D4�,4 °• TC(MIN) = 27.34 RAIN INTENSITY(INCH /HOUR) = 2.36 c /eon EFFECTIVE AREA(ACRES) = 481.31 TOTAL AREA(ACRES) = 515.00 PEAK FLOW RATE(CFS) = 768.43 AVERAGED LOSS RATE, Fm(IN /HR) = .582 � c,v � f /G � . �� V 6 0 rr **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 456.10 TO NODE 456.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< 00 » » >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES ««< dir CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 27.34 .. RAINFALL INTENSITY (INCH. /HOUR) = 2.36 EFFECTIVE STREAM AREA(ACRES) = 481.31 TOTAL STREAM AREA(ACRES) = 515.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 768.43 WO CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) did ddi 1 2278.78 26.99 2.374 .58 1277.00 2 768.43 27.34 2.356 .58 481.31 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO did CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) +rr 1 3045.16 1752.07 2 3023.66 1758.31 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: es PEAK FLOW RATE(CFS) = 3045.16 TIME(MINUTES) = 26.985 EFFECTIVE AREA(ACRES) = 1752.07 TOTAL AREA(ACRES) = 2054.41 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 456.10 TO NODE 458.10 IS CODE = 5 » » > COMPUTE TRAPEZOIDAL - CHANNEL FLOW««< » » >TRAVELTIME THRU SUBAREA««< UPSTREAM NODE ELEVATION = 1223.30 DOWNSTREAM NODE ELEVATION = 1207.30 CHANNEL LENGTH THRU SUBAREA(FEET) = 2640.00 CHANNEL BASE(FEET) = 35.00 "Z" FACTOR = .000 MANNINGS FACTOR = .014 MAXIMUM DEPTH(FEET) = 5.50 CHANNEL FLOW THRU SUBAREA(CFS) = 3045.16 FLOW VELOCITY(FEET /SEC) = 19.33 FLOW DEPTH(FEET) = 4.50 wr TRAVEL TIME(MIN.) = 2.28 TC(MIN.) = 29.26 .. **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** se FLOW PROCESS FROM NODE 458.10 TO NODE 458.10 IS CODE = 1 '"* » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< air 7 40 wamo +rr CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 29.26 RAINFALL INTENSITY (INCH. /HOUR) = 2.26 EFFECTIVE STREAM AREA(ACRES) = 1752.07 TOTAL STREAM AREA(ACRES) = 2054.41 PEAK FLOW RATE(CFS) AT CONFLUENCE = 3045.16 m. **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** .r FLOW PROCESS FROM NODE 458.10 TO NODE 458.10 IS CODE = 7 » » >USER SPECIFIED HYDROLOGY INFORMATION AT NODE « «< USER- SPECIFIED VALUES ARE AS FOLLOWS: 4X4 TC(MIN) = 22.84 RAIN INTENSITY(INCH /HOUR) = 2.62 ice 044 EFFECTIVE AREA(ACRES) = 186.00 "", TOTAL AREA(ACRES) = 186.00 PEAK FLOW RATE(CFS) = 341.85 ,,, AVERAGED LOSS RATE, Fm(IN /HR) = .582 ** *ERROR; SPECIFIED LOSS RATE, FM IS LESS THAN MINIMUM WFb'/ 'R./ ' ,,,. POSSIBLE VALUE OF .58(INCHES /HOUR) **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 458.10 TO NODE 458.10 IS CODE = 1 v » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE ««< » » >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES ««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 22.84 RAINFALL INTENSITY (INCH. /HOUR) = 2.62 EFFECTIVE STREAM AREA(ACRES) = 186.00 ..,,, TOTAL STREAM AREA(ACRES) = 186.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 341.85 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 3045.16 29.26 2.262 . .58 1752.07 2 341.85 22.84 2.624 .58 186.00 "" RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO as CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 3326.33 1938.07 2 3231.62 1553.57 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 3326.33 TIME(MINUTES) = 29.262 EFFECTIVE AREA(ACRES) = 1938.07 TOTAL AREA(ACRES) = 2240.41 wr m, 8 to ot **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 458.10 TO NODE 140.30 IS CODE = 5 » »> COMPUTE TRAPEZOIDAL - CHANNEL FLOW« « < » »>TRAVELTIME THRU SUBAREA ««< to UPSTREAM NODE ELEVATION = 1207.30 �* DOWNSTREAM NODE ELEVATION = 1199.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1955.00 or CHANNEL BASE(FEET) = 40.00 "Z" FACTOR = .000 MANNINGS FACTOR = .014 MAXIMUM DEPTH(FEET) = 6.00 o" CHANNEL FLOW THRU SUBAREA(CFS) = 3326.33 or FLOW VELOCITY(FEET /SEC) = 17.18 FLOW DEPTH(FEET) = 4.84 TRAVEL TIME(MIN.) = 1.90 TC(MIN.) = 31.16 to ,rr **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 140.30 TO NODE 140.30 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< 4M CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: o. TIME OF CONCENTRATION(MINUTES) = 31.16 RAINFALL INTENSITY (INCH. /HOUR) = 2.18 °"' EFFECTIVE STREAM AREA(ACRES) = 1938.07 TOTAL STREAM AREA(ACRES) = 2240.41 to PEAK FLOW RATE(CFS) AT CONFLUENCE = 3326.33 4110 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 140.30 TO NODE 140.30 IS CODE = 7 » » >USER SPECIFIED HYDROLOGY INFORMATION AT NODE « «< USER - SPECIFIED VALUES ARE AS FOLLOWS: /-7,17- TC(MIN) = 23.81 RAIN INTENSITY(INCH /HOUR) = 2.56 ��� EFFECTIVE AREA(ACRES) = 473.37 TOTAL AREA(ACRES) = 546.70 PEAK FLOW RATE(CFS) = 842.70 AVERAGED LOSS RATE, Fm(IN /HR) = .582 °�. **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 140.30 TO NODE 140.30 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE« «< » » >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES ««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 23.81 RAINFALL INTENSITY (INCH. /HOUR) = 2.56 to EFFECTIVE STREAM AREA(ACRES) = 473.37 TOTAL STREAM AREA(ACRES) = 546.70 to PEAK FLOW RATE(CFS) AT CONFLUENCE = 842.70 9 mot WM mow tow CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) eve , 1 3326.33 31.16 2.178 .58 1938.07 2 842.70 23.81 2.559 .58 473.37 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 4006.48 2411.44 2 3991.99 1954.39 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 4006.48 TIME(MINUTES) = 31.158 00 EFFECTIVE AREA(ACRES) = 2411.44 TOTAL AREA(ACRES) = 2787.11 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 140.30 TO NODE 600.04 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL - CHANNEL FLOW « « < » » >TRAVELTIME THRU SUBAREA« UPSTREAM NODE ELEVATION = 1200.00 DOWNSTREAM NODE ELEVATION = 1190.90 CHANNEL LENGTH THRU SUBAREA(FEET) = 1300.00 CHANNEL BASE(FEET) = 40.00 "Z" FACTOR = .000 MANNINGS FACTOR = .014 MAXIMUM DEPTH(FEET) = 6.00 CHANNEL FLOW THRU SUBAREA(CFS) = 4006.48 FLOW VELOCITY(FEET /SEC) = 21.53 FLOW DEPTH(FEET) = 4.65 TRAVEL TIME(MIN.) = 1.01 TC(MIN.) = 32.16 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** - FLOW PROCESS FROM NODE 140.30 TO NODE 140.30 IS CODE = 1 T » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 32.16 RAINFALL INTENSITY (INCH. /HOUR) = 2.14 EFFECTIVE STREAM AREA(ACRES) = 2411.44 TOTAL STREAM AREA(ACRES) = 2787.11 PEAK FLOW RATE(CFS) AT CONFLUENCE = 4006.48 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 600.04 TO NODE 600.04 IS CODE = 7 » » >USER SPECIFIED HYDROLOGY INFORMATION AT NODE « 0 10 err ' USER-SPECIFIED VALUES ARE AS FOLLOWS: ,0417 TC(MIN) = 30.06 RAIN INTENSITY(INCH/HOUR) = 2.23 EFFECTIVE AREA(ACRES) = 392.83 TOTAL AREA(ACRES) = 403.30 PEAK FLOW RATE(CFS) = 584.63 AVERAGED LOSS RATE, Fm(IN/HR) = .582 i4/ / 0 A 1 7 . 45 1 44. 1%110 0. • la 0 *********************************************************************** FLOW PROCESS FROM NODE 140.30 TO NODE 140.30 IS CODE = 1 >>>»DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< >>>>>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES<<<<< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 30.06 RAINFALL INTENSITY (INCH./HOUR) = 2.23 EFFECTIVE STREAM AREA(ACRES) = 392.83 TOTAL STREAM AREA(ACRES) = 403.30 PEAK FLOW RATE(CFS) AT CONFLUENCE = 584.63 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH/HOUR) (IN/HR) AREA(ACRES) 1 4006.48 32.16 2.137 .58 2411.44 2 584.63 30.06 2.225 .58 392.83 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 4559.62 2804.27 2 4542.18 2646.50 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 4559.62 TIME(MINUTES) = 32.164 EFFECTIVE AREA(ACRES) = 2804.27 TOTAL AREA(ACRES) = 3190.41 -r- am END OF STUDY SUMMARY: TOTAL AREA(ACRES) = 3190.41 EFFECTIVE AREA(ACRES) = 2804.27 PEAK FLOW RATE(CFS) = 4559.62 .10 END OF RATIONAL METHOD ANALYSIS 00 find 11 +., **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 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 it I00908 Especially prepared for: HALL & FOREMAN * * * * * * * * * * * * * * * * * * * * * * * * ** DESCRIPTION OF STUDY * * * * * * * * * * * * * * * * * * * * ** * N. FONTANA MASTER S.D. PLAN, W. FONTANA LAT. 1, ALONG JUNIPER * Q 100 YEAR, NOT DESIGN Q * JN 3547 *************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FILE NAME: WFONT1R.100 TIME/DATE OF STUDY: 0:31 1/ 1/1980 USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: IOW -- *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) = .970 100 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.470 COMPUTED RAINFALL INTENSITY DATA: STORM EVENT = 100.00 1 -HOUR INTENSITY(INCH /HOUR) = 1.4700 SLOPE OF INTENSITY DURATION CURVE = .6000 ... **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 105.00 TO NODE 105.01 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 = 800.00 UPSTREAM ELEVATION = 1365.00 M. DOWNSTREAM ELEVATION = 1355.00 ELEVATION DIFFERENCE = 10.00 TC = .412 *[( 800.00 ** 3.00)/( 10.00)] ** .20 = 14.347 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.469 SOIL CLASSIFICATION IS "A" ,1, RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA RUNOFF(CFS) = 20.78 w* TOTAL AREA(ACRES) = 8.00 PEAK FLOW RATE(CFS) = 20.78 1 WIN **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ,., FLOW PROCESS FROM NODE 105.01 TO NODE 105.02 IS CODE = 6 » » >COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA« «< UPSTREAM ELEVATION = 1355.00 DOWNSTREAM ELEVATION = 1340.00 u. STREET LENGTH(FEET) = 900.00 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) = 20.78 STREETFLOW MODEL RESULTS: STREET FLOWDEPTH(FEET) = .45 HALFSTREET FLOODWIDTH(FEET) = 16.24 AVERAGE FLOW VELOCITY(FEET /SEC.) = 3.77 PRODUCT OF DEPTH &VELOCITY = 1.70 STREETFLOW TRAVELTIME(MIN) = 3.98 TC(MIN) = 18.33 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.995 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) = 8.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 8.00 PEAK FLOW RATE(CFS) = 20.78 "" END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .45 HALFSTREET FLOODWIDTH(FEET) = 16.24 FLOW VELOCITY(FEET /SEC.) = 3.77 DEPTH *VELOCITY = 1.70 sto .• **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 105.10 TO NODE • 105.02 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< w. 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.995 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 19.00 SUBAREA RUNOFF(CFS) = 41.26 EFFECTIVE AREA(ACRES) = 27.00 q,. AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 27.00 """ PEAK FLOW RATE(CFS) = 58.63 TC(MIN) = 18.33 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 105.02 TO NODE 105.03 IS CODE = 6 » » >COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< "�. 2 was air UPSTREAM ELEVATION = 1340.00 DOWNSTREAM ELEVATION = 1318.50 STREET LENGTH(FEET) = 1300.00 CURB HEIGTH(INCHES) = 6. MO STREET HALFWIDTH(FEET) = 20.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 18.50 INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .020 AIM SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 .,. * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 58.63 ** *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.) = 5.34 PRODUCT OF DEPTH &VELOCITY = 3.18 STREETFLOW TRAVELTIME(MIN) = 4.05 TC(MIN) = 22.38 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.656 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) = 27.00 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 27.00 PEAK FLOW RATE(CFS) = 58.63 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = x.59 HALFSTREET FLOODWIDTH(FEET) = 20.00 FLOW VELOCITY(FEET /SEC.) = 5.34 DEPTH *VELOCITY = 3.18 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 105.20 TO NODE 105.03 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « ow 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.656 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 26.00 SUBAREA RUNOFF(CFS) = 48.54 +• EFFECTIVE AREA(ACRES) = 53.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 53.00 PEAK FLOW RATE(CFS) = 98.95 TC(MIN) = 22.38 arr **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 105.03 TO NODE 106.10 IS CODE = 4 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » » >USING USER - SPECIFIED PIPESIZE« «< PIPEFLOW VELOCITY(FEET /SEC.) = 10.3 UPSTREAM NODE ELEVATION = 1318.50 DOWNSTREAM NODE ELEVATION = 1318.00 nit FLOWLENGTH(FEET) = 320.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 42.00 NUMBER OF PIPES = 1 "" PIPEFLOW THRU SUBAREA(CFS) = 98.95 TRAVEL TIME(MIN.) = .52 TC(MIN.) = 22.90 ap **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 106.00 TO NODE 106.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< mo 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.620 �•• SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 36.69 EFFECTIVE AREA(ACRES) = 73.00 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 73.00 PEAK FLOW RATE(CFS) = 133.91 TC(MIN) = 22.90 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 106.10 TO NODE 107.10 IS CODE = 4 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« » » >USING USER - SPECIFIED PIPESIZE « «< PIPEFLOW VELOCITY(FEET /SEC.) = 13.9 -� UPSTREAM NODE ELEVATION = 1318.00 DOWNSTREAM NODE ELEVATION = 1317.00 FLOWLENGTH(FEET) = 320.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 42.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 133.91 TRAVEL TIME(MIN.) = .38 TC(MIN.) = 23.28 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 107.00 TO NODE 107.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.594 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 36.22 EFFECTIVE AREA(ACRES) = 93.00 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 93.00 °�.' 4 ro - air PEAK FLOW RATE(CFS) = 168.42 a. TC(MIN) = 23.28 air **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 107.10 TO NODE 108.10 IS CODE = 4 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« » » >USING USER - SPECIFIED PIPESIZE« PIPEFLOW VELOCITY(FEET /SEC.) = 13.4 •a• UPSTREAM NODE ELEVATION = 1317.00 DOWNSTREAM NODE ELEVATION = 1315.00 "" FLOWLENGTH(FEET) = 640.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 48.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 168.42 TRAVEL TIME(MIN.) = .80 TC(MIN.) = 24.08 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 108.00 TO NODE 108.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.542 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 70.58 EFFECTIVE AREA(ACRES) = 133.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 133.00 PEAK FLOW RATE(CFS) = 234.66 TC(MIN) = 24.08 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 108.10 TO NODE 108.12 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< ar DEPTH OF FLOW IN 54.0 INCH PIPE IS 43.4 INCHES 410 PIPEFLOW VELOCITY(FEET /SEC.) = 17.1 ,.r UPSTREAM NODE ELEVATION = 1315.00 DOWNSTREAM NODE ELEVATION = 1294.00 *• FLOWLENGTH(FEET) = 1350.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 54.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 234.66 41. TRAVEL TIME(MIN.) = 1.31 TC(MIN.) = 25.39 ale **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** mom FLOW PROCESS FROM NODE 108.11 TO NODE 108.12 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 5 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.463 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 67.71 EFFECTIVE AREA(ACRES) = 173.00 m• AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 173.00 PEAK FLOW RATE(CFS) = 292.83 TC(MIN) = 25.39 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 108.12 TO NODE 108.22 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLAW) « «< DEPTH OF FLOW IN 60.0 INCH PIPE IS 44.7 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 18.7 UPSTREAM NODE ELEVATION = 1294.00 DOWNSTREAM NODE ELEVATION = 1272.00 FLOWLENGTH(FEET) = 1350.00 MANNINGS N = .013 '�• ESTIMATED PIPE DIAMETER(INCH) = 60.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 292.83 TRAVEL TIME(MIN.) = 1.20 TC(MIN.) = 26.59 .� **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 108.20 TO NODE 108.22 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLAW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.395 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 65.27 EFFECTIVE AREA(ACRES) = 213.00 ,.a AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 213.00 PEAK FLOW RATE(CFS) = 347.59 TC(MIN) = 26.59 rr **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** i. FLOW PROCESS FROM NODE 108.22 TO NODE 108.31 IS CODE = 4 mm » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< » »>USING USER - SPECIFIED PIPESIZE««< MIR PIPEFLOW VELOCITY(FEET /SEC.) = 24.5 UPSTREAM NODE ELEVATION = 1272.00 DOWNSTREAM NODE ELEVATION = 1261.00 FLOWLENGTH(FEET) = 650.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 51.00 NUMBER OF PIPES = 1 6 Wit err WO PIPEFLOW THRU SUBAREA(CFS) = 347.59 .A. TRAVEL TIME(MIN.) = .44 TC(MIN.) = 27.04 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 108.31 TO NODE 108.31 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 27.04 RAINFALL INTENSITY (INCH. /HOUR) = 2.37 EFFECTIVE STREAM AREA(ACRES) = 213.00 TOTAL STREAM AREA(ACRES) = 213.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 347.59 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ..� FLOW PROCESS FROM NODE 108.52 TO NODE 108.51 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 = 800.00 UPSTREAM ELEVATION = 1276.00 DOWNSTREAM ELEVATION = 1268.00 ELEVATION DIFFERENCE = 8.00 TC = .412 *[( 800.00 ** 3.00)/( 8.00)] ** .20 = 15.001 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.377 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA RUNOFF(CFS) = 25.15 TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 25.15 • '... **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ,® FLOW PROCESS FROM NODE 108.51 TO NODE 108.41 IS CODE = 6 » » >COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< *"' UPSTREAM ELEVATION = 1268.00 DOWNSTREAM ELEVATION = 1263.00 STREET LENGTH(FEET) = 600.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 20.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 12.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 Aso as SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 25.15 STREETFLOW MODEL RESULTS: STREET FLOWDEPTH(FEET) = .63 7 HALFSTREET FLOODWIDTH(FEET) = 17.38 AVERAGE FLOW VELOCITY(FEET /SEC.) = 3.30 PRODUCT OF DEPTH &VELOCITY = 2.07 STREETFLOW TRAVELTIME(MIN) = 3.03 TC(MIN) = 18.03 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.024 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) = 10.00 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 25.15 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .63 HALFSTREET FLOODWIDTH(FEET) = 17.38 FLOW VELOCITY(FEET /SEC.) = 3.30 DEPTH *VELOCITY = 2.07 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 108.42 TO NODE 108.41 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.024 .. SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 21.98 EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 43.96 TC(MIN) = 18.03 INN **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 108.43 TO NODE 108.41 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.024 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 15.00 SUBAREA RUNOFF(CFS) = 32.97 EFFECTIVE AREA(ACRES) = 35.00 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 35.00 ... PEAK FLOW RATE(CFS) = 76.93 TC(MIN) = 18.03 "" **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 108.41 TO NODE 108.31 IS CODE = 3 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< 8 aw wa DEPTH OF FLOW IN 57.0 INCH PIPE IS 41.7 INCHES AMP PIPEFLOW VELOCITY(FEET /SEC.) = 5.5 UPSTREAM NODE ELEVATION = 1263.00 DOWNSTREAM NODE ELEVATION = 1261.00 FLOWLENGTH(FEET) = 1300.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 57.00 NUMBER OF PIPES = 1 .rw PIPEFLOW THRU SUBAREA(CFS) = 76.93 TRAVEL TIME(MIN.) = 3.91 TC(MIN.) = 21.94 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 108.30 TO NODE 108.31 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.688 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 37.91 EFFECTIVE AREA(ACRES) = 55.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 55.00 PEAK FLOW RATE(CFS) = 104.24 TC(MIN) = 21.94 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 108.35 TO NODE 108.31 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.688 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 37.91 .A EFFECTIVE AREA(ACRES) = 75.00 AVERAGED Fm(INCH/HR) = .582 '°"' TOTAL AREA(ACRES) = 75.00 PEAK FLOW RATE(CFS) = 142.15 TC(MIN) = 21.94 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 108.31 TO NODE 108.31 IS CODE = 1 411,, » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< » » >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< 40 CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 21.94 RAINFALL INTENSITY (INCH. /HOUR) = 2.69 EFFECTIVE STREAM AREA(ACRES) = 75.00 TOTAL STREAM AREA(ACRES) = 75.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 142.15 9 am NO CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) abe 1 347.59 27.04 2.372 .58 213.00 2 142.15 21.94 2.688 .58 75.00 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE ,., NUMBER Q(CFS) AREA(ACRES) 1 468.39 288.00 2 474.14 247.89 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 474.14 TIME(MINUTES) = 21.944 EFFECTIVE AREA(ACRES) = 247.89 «� TOTAL AREA(ACRES) = 288.00 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 108.31 TO NODE 108.32 IS CODE = 4 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< 1' » » >USING USER - SPECIFIED PIPESIZE« «< PIPEFLOW VELOCITY(FEET /SEC.) = 33.4 UPSTREAM NODE ELEVATION = 1261.00 DOWNSTREAM NODE ELEVATION = 1249.00 FLOWLENGTH(FEET) = 650.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 51.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 474.14 �., TRAVEL TIME(MIN.) = .32 TC(MIN.) = 22.27 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 108.32 TO NODE 108.33 IS CODE = 4 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< taw » » >USING USER - SPECIFIED PIPESIZE««< PIPEFLOW VELOCITY(FEET /SEC.) = 29.8 UPSTREAM NODE ELEVATION = 1249.00 DOWNSTREAM NODE ELEVATION = 1243.00 wit FLOWLENGTH(FEET) = 300.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 54.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 474.14 TRAVEL TIME(MIN.) = .17 TC(MIN.) = 22.44 END OF STUDY SUMMARY: TOTAL AREA(ACRES) = 288.00 m. EFFECTIVE AREA(ACRES) = 247.89 PEAK FLOW RATE(CFS) = 474.14 Y.. Aft 10 Oft OW END OF RATIONAL METHOD ANALYSIS ION IWO w.o vim NNW VOO son 0 r . r OM • +rr 11 ar **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE 4110 (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 suir Especially prepared for: HALL & FOREMAN `. * * * * * * * * * * * * * * * * * * * * * * * * ** DESCRIPTION OF STUDY * * * * * * * * * * * * * * * * * * * * ** * N. FONTANA MASTER S.D. PLAN, W. FONTANA CHANNEL DESIGN, LATERAL 2 ALO * CYPRESS, CHANNEL DESIGN -Q 100 YEAR + OVERFLOW FROM JUNIPER & BASELINE * + OVERFLOW FROM CYPRESS + BASELINE. JN 3547 *************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FILE NAME: WFONCHL2.DES TIME/DATE OF STUDY: 4:13 1/ 1/1980 v. 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) = .970 100 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.470 COMPUTED RAINFALL INTENSITY DATA: v» STORM EVENT = 100.00 1 -HOUR INTENSITY(INCH /HOUR) = 1.4700 SLOPE OF INTENSITY DURATION CURVE = .6000 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 100.00 TO NODE , 100.01 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 = 1417.00 DOWNSTREAM ELEVATION = 1408.00 ELEVATION DIFFERENCE = 9.00 TC = .412 *[( 900.00 ** 3.00)/( 9.00)] ** .20 = 15.725 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.283 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA RUNOFF(CFS) = 24.31 �,. TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 24.31 ev 1 vap a **************************************** * * * * * ** * * * * * * * * * * * * * * * * * * * * * * ** 4M FLOW PROCESS FROM NODE 100.01 TO NODE 100.02 IS CODE = 6 » » >COMPUTE.STREETFLOW TRAVELTIME THRU SUBAREA« «< UPSTREAM ELEVATION = 1408.00 DOWNSTREAM ELEVATION = 1364.00 STREET LENGTH(FEET) = 2200.00 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) = 24.31 STREETFLOW MODEL RESULTS: STREET FLOWDEPTH(FEET) = .46 HALFSTREET FLOODWIDTH(FEET) = 16.82 AVERAGE FLOW VELOCITY(FEET /SEC.) = 4.12 PRODUCT OF DEPTH &VELOCITY = 1.91 STREETFLOW TRAVELTIME(MIN) = 8.89 TC(MIN) = 24.62 Aft 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.509 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 EFFECTIVE AREA(ACRES) = 10.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 24.31 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .46 HALFSTREET FLOODWIDTH(FEET) = 16.82 FLOW VELOCITY(FEET /SEC.) = 4.12 DEPTH *VELOCITY = 1.91 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 100.10 TO NODE , 100.02 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.509 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA AREA(ACRES) = 41.00 SUBAREA RUNOFF(CFS) = 71.10 EFFECTIVE AREA(ACRES) = 51.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 51.00 PEAK FLOW RATE(CFS) = 88.44 TC(MIN) = 24.62 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 100.02 TO NODE 101.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< 2 OW OW » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLAW) ««< DEPTH OF FLOW IN 60.0 INCH PIPE IS 46.9 INCHES m" PIPEFLOW VELOCITY(FEET /SEC.) = 5.4 UPSTREAM NODE ELEVATION = 1364.00 DOWNSTREAM NODE ELEVATION = 1363.60 .,. FLOWLENGTH(FEET) = 300.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 60.00 NUMBER OF PIPES = 1 *� PIPEFLOW THRU SUBAREA(CFS) = 88.44 TRAVEL TIME(MIN.) = .93 TC(MIN.) = 25.55 0. **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** • FLOW PROCESS FROM NODE 101.00 TO NODE 101.10 IS CODE = 8 mg » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.454 �•• SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 33.69 EFFECTIVE AREA(ACRES) = 71.00 AVERAGED Fm(INCH/HR) = .582 ..� TOTAL AREA(ACRES) = 71.00 PEAK FLOW RATE(CFS) = 119.59 TC(MIN) = 25.55 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 101.10 TO NODE 102.10 IS CODE = 3 aro » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLAW) ««< ma DEPTH OF FLOW IN 69.0 INCH PIPE IS 50.6 INCHES ••- PIPEFLOW VELOCITY(FEET /SEC.) = 5.9 UPSTREAM NODE ELEVATION = 1363.60 DOWNSTREAM NODE ELEVATION = 1363.20 FLOWLENGTH(FEET) = 300.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 69.00 NUMBER OF PIPES = 1 60 PIPEFLOW THRU SUBAREA(CFS) = 119.59 TRAVEL TIME(MIN.) = .85 TC(MIN.) = 26.40 .. **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** .. FLOW PROCESS FROM NODE 102.00 TO NODE 102.10 IS CODE = 8 mg » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< "� 100 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) = 20.00 SUBAREA RUNOFF(CFS) = 32.83 EFFECTIVE AREA(ACRES) = 91.00 AVERAGED Fm(INCH/HR) = .582 3 TOTAL AREA(ACRES) = 91.00 4111 PEAK FLOW RATE(CFS) = 149.36 TC(MIN) = 26.40 err **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 102.10 TO NODE 103.10 IS CODE = 4 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » » >USING USER - SPECIFIED PIPESIZE « «< PIPEFLOW VELOCITY(FEET /SEC.) = 6.9 UPSTREAM NODE ELEVATION = 1363.20 DOWNSTREAM NODE ELEVATION = 1362.00 FLOWLENGTH(FEET) = 600.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 63.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 149.36 TRAVEL TIME(MIN.) = 1.45 TC(MIN.) = 27.85 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 103.00 TO NODE 103.10 IS CODE = 8 .�. » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.330 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 62.92 EFFECTIVE AREA(ACRES) = 131.00 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 131.00 PEAK FLOW RATE(CFS) = 206.06 TC(MIN) = 27.85 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 103.10 TO NODE 103.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< woo CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: "' TIME OF CONCENTRATION(MINUTES) = 27.85 RAINFALL INTENSITY (INCH. /HOUR) = 2.33 EFFECTIVE STREAM AREA(ACRES) = 131.00 �., TOTAL STREAM AREA(ACRES) = 131.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 206.06 AM A.' **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 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: 4 4 S ANO TC(MIN) = 19.10 RAIN INTENSITY(INCH /HOUR) = 2.92 EFFECTIVE AREA(ACRES) = 41.00 TOTAL AREA(ACRES) = 41.00 PEAK FLOW RATE(CFS) = 92.00 AVERAGED LOSS RATE, Fm(IN /HR) = .582 .., **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 211.10 TO NODE 103.10 IS CODE = 6 » » > COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA« ,.. UPSTREAM ELEVATION = 1412.00 DOWNSTREAM ELEVATION = 1362.00 STREET LENGTH(FEET) = 2750.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 20.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 12.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 92.00 ** *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) = .79 HALFSTREET FLOODWIDTH(FEET) = 20.00 AVERAGE FLOW VELOCITY(FEET /SEC.) = 6.63 PRODUCT OF DEPTH &VELOCITY = 5.21 STREETFLOW TRAVELTIME(MIN) = 6.91 TC(MIN) = 26.01 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.427 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA .LOSS RATE, Fm(INCH/HR) = .5 wry SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 EFFECTIVE AREA(ACRES) = 41.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 41.00 PEAK FLOW RATE(CFS) = 92.00 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .79 HALFSTREET FLOODWIDTH(FEET) = 20.00 „ FLOW VELOCITY(FEET /SEC.) = 6.63 DEPTH *VELOCITY = 5.21 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 103.10 TO NODE 103.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< dm' » » >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< ■- CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 26.01 RAINFALL INTENSITY (INCH. /HOUR) = 2.43 �." ' 5 EFFECTIVE STREAM AREA(ACRES) = 41.00 ,., TOTAL STREAM AREA(ACRES) = 41.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 92.00 CONFLUENCE INFORMATION: ",. STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE v,w NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 206.06 27.85 2.330 .58 131.00 2 92.00 26.01 2.427 .58 41.00 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 293.20 172.00 ... 2 295.19 163.35 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: "" PEAK FLOW RATE(CFS) = 295.19 TIME(MINUTES) = 26.013 EFFECTIVE AREA(ACRES) = 163.35 TOTAL AREA(ACRES) = 172.00 wr **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** rw FLOW PROCESS FROM NODE 103.10 TO NODE 104.22 IS CODE = 4 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA ««< » » >USING USER - SPECIFIED PIPESIZE««< ww PIPEFLOW VELOCITY(FEET /SEC.) = 13.6 UPSTREAM NODE ELEVATION = 1362.00 ems DOWNSTREAM NODE ELEVATION = 1359.00 FLOWLENGTH(FEET) = 600.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 63.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 295.19 , TRAVEL TIME(MIN.) = .73 TC(MIN.) = 26.75 anr **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 104.21 TO NODE 104.22 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< #. 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.387 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 64.98 EFFECTIVE AREA(ACRES) = 203.35 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 212.00 *• PEAK FLOW RATE(CFS) = 330.35 .r� TC(MIN) = 26.75 ism ONO 6 too **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 104.22 TO NODE 104.10 IS CODE = 4 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< » » >USING USER - SPECIFIED PIPESIZE««< oar PIPEFLOW VELOCITY(FEET /SEC.) = 15.3 UPSTREAM NODE ELEVATION = 1359.00 DOWNSTREAM NODE ELEVATION = 1356.00 FLOWLENGTH(FEET) = 600.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 63.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 330.35 TRAVEL TIME(MIN.) = .66 TC(MIN.) = 27.40 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 104.31 TO NODE 104.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.353 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 63.74 �- EFFECTIVE AREA(ACRES) = 243.35 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 252.00 PEAK FLOW RATE(CFS) = 387.79 TC(MIN) = 27.40 °.,. **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 104.10 TO NODE 104.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE« «< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 27.40 RAINFALL INTENSITY (INCH. /HOUR) = 2.35 ..r EFFECTIVE STREAM AREA(ACRES) = 243.35 TOTAL STREAM AREA(ACRES) = 252.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 387.79 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 212.10 TO NODE 212.10 IS CODE = 7 MIN » » >USER SPECIFIED HYDROLOGY INFORMATION AT NODE««< USER - SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 18.60 RAIN INTENSITY(INCH /HOUR) = 2.97 EFFECTIVE AREA(ACRES) = 45.10 TOTAL AREA(ACRES) = 45.10 PEAK FLOW RATE(CFS) = 96.40 O`" AVERAGED LOSS RATE, Fm(IN /HR) = .582 7 No ** *ERROR; SPECIFIED LOSS RATE, FM IS LESS THAN MINIMUM POSSIBLE VALUE OF .59(INCHES /HOUR) IMP **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ""' FLOW PROCESS FROM NODE 212.10 TO NODE 104.10 IS CODE = 6 AIM » » > COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA « .. UPSTREAM ELEVATION = 1408.00 DOWNSTREAM ELEVATION = 1356.00 "„ STREET LENGTH(FEET) = 2750.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 20.00 www DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 12.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 ow SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 96.40 ** *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) = .81 HALFSTREET FLOODWIDTH(FEET) = 20.00 AVERAGE FLOW VELOCITY(FEET /SEC.) = 6.58 PRODUCT OF DEPTH &VELOCITY = 5.30 STREETFLOW TRAVELTIME(MIN) = 6.97 TC(MIN) = 25.57 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.452 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) = 45.10 air AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 45.10 PEAK FLOW RATE(CFS) = 96.40 "w END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .81 HALFSTREET FLOODWIDTH(FEET) = 20.00 FLOW VELOCITY(FEET /SEC.) = 6.58 DEPTH *VELOCITY = 5.30 oo os **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** Now FLOW PROCESS FROM NODE 104.10 TO NODE 104.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE ««< » » >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES « «< www CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME.OF CONCENTRATION(MINUTES) = 25.57 .A. RAINFALL INTENSITY (INCH. /HOUR) = 2.45 EFFECTIVE STREAM AREA(ACRES) = 45.10 TOTAL STREAM AREA(ACRES) = 45.10 ,�. 8 rrr mM +rr PEAK FLOW RATE(CFS) AT CONFLUENCE = 96.40 CONFLUENCE INFORMATION: 40 STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 387.79 27.40 2.353 .58 243.35 2 96.40 25.57 2.452 .58 45.10 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 479.05 288.45 2 478.64 272.18 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: P.• PEAK FLOW RATE(CFS) = 479.05 TIME(MINUTES) = 27.401 EFFECTIVE AREA(ACRES) = 288.45 TOTAL AREA(ACRES) = 297.10 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 104.10 TO NODE 109.23 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 72.0 INCH PIPE IS 53.3 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 21.3 UPSTREAM NODE ELEVATION = 1356.00 DOWNSTREAM NODE ELEVATION = 1311.00 FLOWLENGTH(FEET) = 2700.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 72.00 NUMBER OF PIPES = 1 ... PIPEFLOW THRU SUBAREA(CFS) = 479.05 TRAVEL TIME(MIN.) = 2.11 TC(MIN.) =, 29.51 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** +■ FLOW PROCESS FROM NODE 109.23 TO NODE 109.23 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « « < Ais CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: „■, TIME OF CONCENTRATION(MINUTES) = 29.51 RAINFALL INTENSITY (INCH. /HOUR) = 2.25 EFFECTIVE STREAM AREA(ACRES) = 288.45 TOTAL STREAM AREA(ACRES) = 297.10 PEAK FLOW RATE(CFS) AT CONFLUENCE = 479.05 .r+ ,m **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 109.00 TO NODE 109.01 IS CODE = 2 9 Orr wr » » >RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< mm DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 3 -4 DWELLINGS /ACRE wr TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW- LENGTH = 1000.00 �., UPSTREAM ELEVATION = 1362.00 DOWNSTREAM ELEVATION = 1345.00 - ELEVATION DIFFERENCE = 17.00 TC = .412 *[( 1000.00 ** 3.00)/( 17.00))** .20 = 14.751 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.411 SOIL CLASSIFICATION'IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA RUNOFF(CFS) = 11.71 TOTAL AREA(ACRES) = 4.60 PEAK FLOW RATE(CFS) = 11.71 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** .,, FLOW PROCESS FROM NODE 109.01 TO NODE 109.11 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL - CHANNEL FLOW ««< » » >TRAVELTIME THRU SUBAREA « « < .�, UPSTREAM NODE ELEVATION = 1345.00 DOWNSTREAM NODE ELEVATION = 1326.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1000.00 CHANNEL BASE(FEET) = 3.00 "Z" FACTOR = 2.000 m. MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 2.00 CHANNEL FLOW THRU SUBAREA(CFS) = 11.71 FLOW VELOCITY(FEET /SEC) = 4.27 FLOW DEPTH(FEET) = .64 TRAVEL TIME(MIN.) = 3.90 TC(MIN.) = 18.65 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 109.10 TO NODE 109.11. IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.963 SOIL CLASSIFICATION IS "A" rrr RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 4.60 SUBAREA RUNOFF(CFS) = 9.86 EFFECTIVE AREA(ACRES) = 9.20 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 9.20 PEAK FLOW RATE(CFS) = 19.72 TC(MIN) = 18.65 NOM **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 109.11 TO NODE 109.02 IS CODE = 5 •• » » >COMPUTE TRAPEZOIDAL- CHANNEL FLOW « «< » » >TRAVELTIME THRU SUBAREA « «< amy -°' 10 wr UPSTREAM NODE ELEVATION = 1326.00 400 DOWNSTREAM NODE ELEVATION = 1314.30 CHANNEL LENGTH THRU SUBAREA(FEET) = 650.00 °r CHANNEL BASE(FEET) = 3.00 "Z" FACTOR = 2.000 MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 2.00 CHANNEL FLOW THRU SUBAREA(CFS) = 19.72 p,. FLOW VELOCITY(FEET /SEC) = 4.63 FLOW DEPTH(FEET) = .89 TRAVEL TIME(MIN.) = 2.34 TC(MIN.) = 20.99 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 109.20 TO NODE 109.02 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLAW ««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.760 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 3.00 SUBAREA RUNOFF(CFS) = 5.88 EFFECTIVE AREA(ACRES) = 12.20 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 12.20 PEAK FLOW RATE(CFS) = 23.92 .,, TC(MIN) = 20.99 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 109.02 TO NODE 109.12 IS CODE = 6 » » >COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA« «< UPSTREAM ELEVATION = 1314.30 DOWNSTREAM ELEVATION = 1313.50 STREET LENGTH(FEET) = 200.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 32.00 .... DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 24.00 INTERIOR STREET CROSSFALL(DECIMAL) = .Q20 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 23.92 STREETFLOW MODEL RESULTS: NOTE: STREETFLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREETFLOW RESULTS ARE BASED ON THE ASSUMPTION No, THAT NEGLIBLE FLOW OCCURS OUTSIDE OF THE STREET CHANNEL. THAT IS, ALL FLOW ALONG THE PARKWAY, ETC., IS NEGLECTED. STREET FLOWDEPTH(FEET) = .69 HALFSTREET FLOODWIDTH(FEET) = 20.37 AVERAGE FLOW VELOCITY(FEET /SEC.) = 2.42 PRODUCT OF DEPTH &VELOCITY = 1.66 STREETFLOW TRAVELTIME(MIN) = 1.38 TC(MIN) = 22.37 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.657 SOIL CLASSIFICATION IS "A" 11 ASO 1 RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 EFFECTIVE AREA(ACRES) = 12.20 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 12.20 PEAK FLOW RATE(CFS) = 23.92 "" END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .69 HALFSTREET FLOODWIDTH(FEET) = 20.37 FLOW VELOCITY(FEET /SEC.) = 2.42 DEPTH *VELOCITY = 1.66 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 109.30 TO NODE 109.12 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.657 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 ... SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 18.68 EFFECTIVE AREA(ACRES) = 22.20 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 22.20 PEAK FLOW RATE(CFS) = 41.46 TC(MIN) = 22.37 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 109.12 TO NODE 109.22 IS CODE = 6 » » >COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA « «< UPSTREAM ELEVATION = 1313.50 DOWNSTREAM ELEVATION = 1311.00 STREET LENGTH(FEET) = 350.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 32.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 24.00 INTERIOR STREET CROSSFALL(DECIMAL) = .Q20 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 41.46 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) = .75 HALFSTREET FLOODWIDTH(FEET) = 23.37 AVERAGE FLOW VELOCITY(FEET /SEC.) = 3.32 PRODUCT OF DEPTH &VELOCITY = 2.47 STREETFLOW TRAVELTIME(MIN) = 1.76 TC(MIN) = 24.13 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.539 SOIL CLASSIFICATION IS "A" 12 N M. ow RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 EFFECTIVE AREA(ACRES) = 22.20 air AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 22.20 PEAK FLOW RATE(CFS) = 41.46 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .75 HALFSTREET FLOODWIDTH(FEET) = 23.37 FLOW VELOCITY(FEET /SEC.) = 3.32 DEPTH *VELOCITY = 2.47 ,m. **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 109.21 TO NODE 109.22 IS CODE = 8 srrr » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.539 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 35.23 EFFECTIVE AREA(ACRES) = 42.20 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 42.20 PEAK FLOW RATE(CFS) = 74.33 TC(MIN) = 24.13 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 109.22 TO NODE 109.23 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA ««< ONO » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) ««< ° DEPTH OF FLOW IN 48.0 INCH PIPE IS 36.3 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 7.3 UPSTREAM NODE ELEVATION = 1311.00 . DOWNSTREAM NODE ELEVATION = 1309.00 FLOWLENGTH(FEET) = 600.00 MANNINGS N,= .013 ESTIMATED PIPE DIAMETER(INCH) = 48.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 74.33 TRAVEL TIME(MIN.) = 1.37 TC(MIN.) = 25.50 rr ,■. **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** r FLOW PROCESS FROM NODE 109.31 TO NODE 109.23 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< r 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.456 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 67.48 IMP EFFECTIVE AREA(ACRES) = 82.20 ,,. AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 82.20 ear PEAK FLOW RATE(CFS) = 138.66 own 4064/ 13 om `W TC(MIN) = 25.50 ***************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 109.23 TO NODE 109.23 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE« «< » » >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES ««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: wr TIME OF CONCENTRATION(MINUTES) = 25.50 RAINFALL INTENSITY (INCH. /HOUR) = 2.46 EFFECTIVE STREAM AREA(ACRES) = 82.20 TOTAL STREAM AREA(ACRES) = 82.20 PEAK FLOW RATE(CFS) AT CONFLUENCE = 138.66 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE ... NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 479.05 29.51 2.250 .58 288.45 2 138.66 25.50 2.456 .58 82.20 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 602.46 370.65 2 603.75 331.44 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 603.75 TIME(MINUTES) = 25.500 EFFECTIVE AREA(ACRES) = 331.44 TOTAL AREA(ACRES) = 379.30 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 109.23 TO NODE 109.24 IS CODE = 4 » »> COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< » » >USING USER - SPECIFIED PIPESIZE« «< PIPEFLOW VELOCITY(FEET /SEC.) = 23.3 UPSTREAM NODE ELEVATION = 1309.00 DOWNSTREAM NODE ELEVATION = 1290.00 FLOWLENGTH(FEET) = 1350.00 MANNINGS N = .013 ■4111P GIVEN PIPE DIAMETER(INCH) = 69.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 603.75 TRAVEL TIME(MIN.) = .97 TC(MIN.) = 26.47 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 1001.00 TO NODE 109.24 IS CODE = 8 "' 14 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.402 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 65.52 d,„ EFFECTIVE AREA(ACRES) = 371.44 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 419.30 PEAK FLOW RATE(CFS) = 608.44 �' TC(MIN) = 26.47 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 109.24 TO NODE 109.24 IS CODE = 1 4 . 4 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE« «< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 26.47 "" RAINFALL INTENSITY (INCH. /HOUR) = 2.40 EFFECTIVE STREAM AREA(ACRES) = 371.44 TOTAL STREAM AREA(ACRES) = 419.30 PEAK FLOW RATE(CFS) AT CONFLUENCE = 608.44 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 1001.00 TO NODE 109.24 IS CODE = 7 » » >USER SPECIFIED HYDROLOGY INFORMATION AT NODE ««< aue USER - SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 26.71 RAIN INTENSITY(INCH /HOUR) = 2.39 EFFECTIVE AREA(ACRES) = 12.66 TOTAL AREA(ACRES) = 12.66 PEAK FLOW RATE(CFS) = 20.58 AVERAGED LOSS RATE, Fm(IN /HR) = .582 ** *ERROR; SPECIFIED LOSS RATE, FM IS LES THAN MINIMUM POSSIBLE VALUE OF .58(INCHES /HOUR) ,. **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 109.24 TO NODE 109.24 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE ««< » » >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES« «< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 26.71 RAINFALL INTENSITY (INCH. /HOUR) = 2.39 EFFECTIVE STREAM AREA(ACRES) = 12.66 TOTAL STREAM AREA(ACRES) = 12.66 PEAK.FLOW RATE(CFS) AT CONFLUENCE = 20.58 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE 4- 15 4 NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 608.44 26.47 2.402 .58 371.44 as 2 20.58 26.71 2.389 .58 12.66 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: •-* STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 628.98 383.99 2 624.64 384.10 COMPUTED. CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 628.98 TIME(MINUTES) = 26.468 EFFECTIVE AREA(ACRES) = 383.99 TOTAL AREA(ACRES) = 431.96 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 109.24 TO NODE 109.30 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< DEPTH OF FLOW IN 75.0 INCH PIPE IS 59.3 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 24.2 UPSTREAM NODE ELEVATION = 1290.00 DOWNSTREAM NODE ELEVATION = 1264.00 FLOWLENGTH(FEET) = 1300.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 75.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 628.98 TRAVEL TIME(MIN.) = .90 TC(MIN.) = 27.36 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 1002.00 TO NODE , 109.30 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.355 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 63.81 EFFECTIVE AREA(ACRES) = 423.99 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 471.96 PEAK FLOW RATE(CFS) = 676.37 TC(MIN) = 27.36 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 109.30 TO NODE 109.40 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< 16 » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) ««< DEPTH OF FLOW IN 84.0 INCH PIPE IS 64.8 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 21.2 UPSTREAM NODE ELEVATION = 1264.00 DOWNSTREAM NODE ELEVATION = 1244.00 .r FLOWLENGTH(FEET) = 1500.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 84.00 NUMBER OF PIPES = 1 „., PIPEFLOW THRU SUBAREA(CFS) = 676.37 TRAVEL TIME(MIN.) = 1.18 TC(MIN.) = 28.54 aro m' **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 1003.00 TO NODE 109.40 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.296 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 61.70 EFFECTIVE AREA(ACRES) = 463.99 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 511.96 PEAK FLOW RATE(CFS) = 715.65 �- TC(MIN) = 28.54 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 109.40 TO NODE 109.40 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) = 28.54 RAINFALL INTENSITY (INCH. /HOUR) = 2.30, EFFECTIVE STREAM AREA(ACRES) = 463.99 TOTAL STREAM AREA(ACRES) = 511.96 PEAK FLOW RATE(CFS) AT CONFLUENCE = 715.65 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE wr NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) as 1 715.65 28.54 2.296 .58 463.99 err RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 1 STREAMS. '*l SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) MR 1 715.65 463.99 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: al. lam. 17 .44 PEAK FLOW RATE(CFS) = 715.65 TIME(MINUTES) = 28.541 EFFECTIVE AREA(ACRES) = 463.99 TOTAL AREA(ACRES) = 511.96 END OF STUDY SUMMARY: TOTAL AREA(ACRES) = 511.96 EFFECTIVE AREA(ACRES) = 463.99 PEAK FLOW RATE(CFS) = 715.65 END OF RATIONAL METHOD ANALYSIS , S4 woo 4W mom am,M, WO 444 wm AW 14M 40 WA 4114 memm 18 4s. am **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 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. PLAN, W. FONTANA CHANNEL DESIGN, LAT. 3 ALONG * OLEANDER DATA, Q 100 YEAR + OVERFLOW FROM BASELINE AND OLEANDER ," * JN 3547 *************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FILE NAME: WFONCHL3.DES 4W TIME /DATE OF STUDY: 4:38 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) = .970 100 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.470 COMPUTED RAINFALL INTENSITY DATA: STORM EVENT = 100.00 1 -HOUR INTENSITY(INCH /HOUR) = 1.4700 SLOPE OF INTENSITY DURATION CURVE = .6000 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 115.00 TO NODE 115.01 IS CODE = 2 » » > RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< am DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 3 -4 DWELLINGS /ACRE a ,„ TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW - LENGTH = 1000.00 UPSTREAM ELEVATION = 1408.00 DOWNSTREAM ELEVATION = 1385.00 ELEVATION DIFFERENCE = 23.00 �,. TC = .412 *[( 1000.00 ** 3.00)/( 23.00)] ** .20 = 13.885 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.537 am SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 ear SUBAREA RUNOFF(CFS) = 18.88 TOTAL AREA(ACRES) = 7.10 PEAK FLOW RATE(CFS) = 18.88 1 ti **************************************** * * * * * * * * * * ** * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 115.01 TO NODE 115.02 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL - CHANNEL FLOW ««< » » >TRAVELTIME THRU SUBAREA« «< UPSTREAM NODE ELEVATION = 1385.00 411" DOWNSTREAM NODE ELEVATION = 1369.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1000.00 CHANNEL BASE(FEET) = 3.00 "Z" FACTOR = 2.000 «0 MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 2.00 CHANNEL FLOW THRU SUBAREA(CFS) = 18.88 FLOW VELOCITY(FEET /SEC) = 4.43 FLOW DEPTH(FEET) = .89 TRAVEL TIME(MIN.) = 3.76 TC(MIN.) = 17.64 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 115.10 TO NODE 115.02 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.064 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 7.10 SUBAREA RUNOFF(CFS) = 15.86 ,., EFFECTIVE AREA(ACRES) = 14.20 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 14.20 PEAK FLOW RATE(CFS) = 31.72 TC(MIN) = 17.64 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 115.02 TO NODE 116.10 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL - CHANNEL FLOW««< » » >TRAVELTIME THRU SUBAREA « «< UPSTREAM NODE ELEVATION = 1369.00 DOWNSTREAM NODE ELEVATION = 1354.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 700.00 CHANNEL BASE(FEET) = 3.00 "Z" FACTOR = 2.000 MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 2.00 CHANNEL FLOW THRU SUBAREA(CFS) = 31.72 FLOW VELOCITY(FEET /SEC) = 5.71 FLOW DEPTH(FEET) = 1.08 TRAVEL TIME(MIN.) = 2.04 TC(MIN.) = 19.69 AM **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** �• FLOW PROCESS FROM NODE 116.00 TO NODE 116.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.869 SOIL CLASSIFICATION IS "A" 2 qm arr ,n. Or RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) _ .5 �• SUBAREA AREA(ACRES) = 5.00 SUBAREA RUNOFF(CFS) = 10.29 EFFECTIVE AREA(ACRES) = 19.20 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 19.20 PEAK FLOW RATE(CFS) = 39.51 TC(MIN) = 19.69 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 116.10 TO NODE 117.10 IS CODE = 6 » » >COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< UPSTREAM ELEVATION = 1354.00 DOWNSTREAM ELEVATION = 1352.00 STREET LENGTH(FEET) = 320.00 CURB HEIGTH(INCHES) = 8. .�. STREET HALFWIDTH(FEET) = 20.00 - DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 12.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 39.51 ** *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) = .73 HALFSTREET FLOODWIDTH(FEET) = 20.00 AVERAGE FLOW VELOCITY(FEET /SEC.) = 3.43 PRODUCT OF DEPTH &VELOCITY = 2.49 STREETFLOW TRAVELTIME(MIN) = 1.56 TC(MIN) = 21.24 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.741 ., 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) = 19.20 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 19.20 PEAK FLOW RATE(CFS) = 39.51 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .73 HALFSTREET FLOODWIDTH(FEET) = 20.00 FLOW VELOCITY(FEET /SEC.) = 3.43 DEPTH *VELOCITY = 2.49 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** �• FLOW PROCESS FROM NODE 117.00 TO NODE 117.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « « < 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.741 "�° 3 orom SOIL CLASSIFICATION IS "A" �.. RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA AREA(ACRES) = 19.00 SUBAREA RUNOFF(CFS) = 36.91 EFFECTIVE AREA(ACRES) = 38.20 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 38.20 PEAK FLOW RATE(CFS) = 74.22 TC(MIN) = 21.24 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 117.10 TO NODE 118.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« « < » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< ..� DEPTH OF FLOW IN 48.0 INCH PIPE IS 38.4 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 6.9 UPSTREAM NODE ELEVATION = 1352.00 DOWNSTREAM NODE ELEVATION = 1350.00 FLOWLENGTH(FEET) = 680.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 48.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 74.22 TRAVEL TIME(MIN.) = 1.65 TC(MIN.) = 22.89 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 118.00 TO NODE 118.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.621 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 41.00 SUBAREA RUNOFF(CFS) = 75.23 EFFECTIVE AREA(ACRES) = 79.20 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 79.20 �., PEAK FLOW RATE(CFS) = 145.32 TC(MIN) = 22.89 "' **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 118.10 TO NODE 118.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE« CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 22.89 IWO RAINFALL INTENSITY (INCH. /HOUR) = 2.62 EFFECTIVE STREAM AREA(ACRES) = 79.20 TOTAL STREAM AREA(ACRES) = 79.20 ®" PEAK FLOW RATE(CFS) AT CONFLUENCE = 145.32 4 4110 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 213.10 TO NODE 213.10 IS CODE = 7 dW » » >USER SPECIFIED HYDROLOGY INFORMATION AT NODE ««< USER - SPECIFIED VALUES ARE AS FOLLOWS: air TC(MIN) = 18.60 RAIN INTENSITY(INCH /HOUR) = 2.97 EFFECTIVE AREA(ACRES) = 44.70 TOTAL AREA(ACRES) = 44.70 PEAK FLOW RATE(CFS) = 93.00 AVERAGED LOSS RATE, Fm(IN /HR) = .582 ** *ERROR; SPECIFIED LOSS RATE, FM IS LESS THAN MINIMUM .. POSSIBLE VALUE OF .66(INCHES /HOUR) **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 213.10 TO NODE 118.10 IS CODE = 6 » » >COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA« «< UPSTREAM ELEVATION = 1403.00 DOWNSTREAM ELEVATION = 1350.00 STREET LENGTH(FEET) = 2760.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 20.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 12.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 93.00 ** *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) = .79 HALFSTREET FLOODWIDTH(FEET) = 20.00 AVERAGE FLOW VELOCITY(FEET /SEC.) = 6.70 PRODUCT OF DEPTH &VELOCITY = 5.27 am STREETFLOW TRAVELTIME(MIN) = 6.86 TC(MIN) = 25.46 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.458 mmo SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 mom SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 EFFECTIVE AREA(ACRES) = 44.70 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 44.70 PEAK FLOW RATE(CFS) = 93.00 END OF SUBAREA STREETFLOW HYDRAULICS: mm DEPTH(FEET) = .79 HALFSTREET FLOODWIDTH(FEET) = 20.00 FLOW'VELOCITY(FEET /SEC.) = 6.70 DEPTH *VELOCITY = 5.27 m. **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 5 err FLOW PROCESS FROM NODE 118.10 TO NODE 118.10 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) = 25.46 RAINFALL INTENSITY (INCH. /HOUR) = 2.46 EFFECTIVE STREAM AREA(ACRES) = 44.70 TOTAL STREAM AREA(ACRES) = 44.70 PEAK FLOW RATE(CFS) AT CONFLUENCE = 93.00 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 145.32 22.89 2.621 .58 79.20 2 93.00 25.46 2.458 .58 44.70 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 236.15 119.38 ,�. 2 226.75 123.90 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 236.15 TIME(MINUTES) = 22.890 EFFECTIVE AREA(ACRES) = 119.38 TOTAL AREA(ACRES) = 123.90 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 118.10 TO NODE 113.10 IS CODE = 3 » »> COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) ««< DEPTH OF FLOW IN 54.0 INCH PIPE IS 41.0 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 18.2 UPSTREAM NODE ELEVATION = 1350.00 DOWNSTREAM NODE ELEVATION = 1303.00 +.s FLOWLENGTH(FEET) = 2650.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 54.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 236.15 TRAVEL TIME(MIN.) = 2.42 TC(MIN.) = 25.31 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 113.10 TO NODE 113.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « « < CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: 4" 6 AMR AO TIME OF CONCENTRATION(MINUTES) = 25.31 RAINFALL INTENSITY (INCH. /HOUR) = 2.47 EFFECTIVE STREAM AREA(ACRES) = 119.38 TOTAL STREAM AREA(ACRES) = 123.90 PEAK FLOW RATE(CFS) AT CONFLUENCE = 236.15 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 110.00 TO NODE 110.10 IS CODE = 2 » » >RATIONAL METHOD INITIAL SUBAREA ANALYSIS« «< A. 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 = 1356.00 DOWNSTREAM ELEVATION = 1335.00 ELEVATION DIFFERENCE = 21.00 TC = .412 *[( 1000.00 ** 3.00)/( 21.00)] ** .20 = 14.140 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.499 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA RUNOFF(CFS) = 19.69 TOTAL AREA(ACRES) = 7.50 PEAK FLOW RATE(CFS) = 19.69 ******** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 110.10 TO NODE 110.20 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL - CHANNEL FLOW««< » » >TRAVELTIME THRU SUBAREA««< UPSTREAM NODE ELEVATION = 1335.00 DOWNSTREAM NODE ELEVATION = 1319.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1000.00 CHANNEL BASE(FEET) = 3.00 "Z" FACTOR = 2.000 MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 2.00 fl, CHANNEL FLOW THRU SUBAREA(CFS) = 19.69 FLOW VELOCITY(FEET /SEC) = 4.62 FLOW DEPTH(FEET) = .89 TRAVEL TIME(MIN.) = 3.60 TC(MIN.) = 17.74 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 111.00 TO NODE 110.20 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.053 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 7.50 SUBAREA RUNOFF(CFS) = 16.68 EFFECTIVE AREA(ACRES) = 15.00 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 15.00 7 PEAK FLOW RATE(CFS) = 33.36 *•• TC(MIN) = 17.74 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 111.20 TO NODE 111.10 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL - CHANNEL FLOW««< » » >TRAVELTIME THRU SUBAREA ««< UPSTREAM NODE ELEVATION = 1319.00 DOWNSTREAM NODE ELEVATION = 1309.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 650.00 CHANNEL BASE(FEET) = 3.00 "Z" FACTOR = 2.000 MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 2.00 CHANNEL FLOW THRU SUBAREA(CFS) = 33.36 ,ar FLOW VELOCITY(FEET /SEC) = 5.13 FLOW DEPTH(FEET) = 1.20 TRAVEL TIME(MIN.) = 2.11 TC(MIN.) = 19.86 00 ar **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ., FLOW PROCESS FROM NODE 111.20 TO NODE 111.10 IS CODE = 8 4111 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.854 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 5.30 SUBAREA RUNOFF(CFS) = 10.84 EFFECTIVE AREA(ACRES) = 20.30 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 20.30 PEAK FLOW RATE(CFS) = 41.51 TC(MIN) = 19.86 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 111.10 TO NODE 112.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< 000 » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 33.0 INCH PIPE IS 23.0 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 9.4 UPSTREAM NODE ELEVATION = 1309.00 DOWNSTREAM NODE ELEVATION = 1306.00 FLOWLENGTH(FEET) = 320.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 33.00 NUMBER OF PIPES = 1 0. PIPEFLOW THRU SUBAREA(CFS) = 41.51 TRAVEL TIME(MIN.) = .57 TC(MIN.) = 20.42 '� **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 112.00 TO NODE 112.10 IS CODE = 8 Aft a 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLAW ««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.806 4M SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 40.04 EFFECTIVE AREA(ACRES) = 40.30 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 40.30 PEAK FLOW RATE(CFS) = 80.67 TC(MIN) = 20.42 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 112.10 TO NODE 113.10 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.) = 8.5 UPSTREAM NODE ELEVATION = 1306.00 DOWNSTREAM NODE ELEVATION = 1303.00 FLOWLENGTH(FEET) = 650.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 48.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 80.67 TRAVEL TIME(MIN.) = 1.28 TC(MIN.) = 21.70 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 113.00 TO NODE 113.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLAW « « < 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.706 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA .LOSS RATE, Fm(INCH/HR) = .5 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 76.47 EFFECTIVE AREA(ACRES) = 80.30 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 80.30 PEAK FLOW RATE(CFS) = 153.51 TC(MIN) = 21.70 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 113.10 TO NODE 113.10 IS CODE = 1 ter » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE ««< » » >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 21.70 RAINFALL INTENSITY (INCH. /HOUR) = 2.71 EFFECTIVE STREAM AREA(ACRES) = 80.30 9 wr TOTAL STREAM AREA(ACRES) = 80.30 in PEAK FLOW RATE(CFS) AT CONFLUENCE = 153.51 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 236.15 25.31 2.467 .58 119.38 2 153.51 21.70 2.706 .58 80.30 �rw RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 372.39 199.68 2 381.59 182.64 m. COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 381.59 TIME(MINUTES) = 21.700 EFFECTIVE AREA(ACRES) = 182.64 TOTAL AREA(ACRES) = 204.20 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** mas FLOW PROCESS FROM NODE 113.10 TO NODE 1500.10 IS CODE = 3 wr » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< ,., » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< DEPTH OF FLOW IN 63.0 INCH PIPE IS 50.4 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 20.6 UPSTREAM NODE ELEVATION = 1303.00 DOWNSTREAM NODE ELEVATION = 1282.00 FLOWLENGTH(FEET) = 1150.00 MANNINGS N = .013 -• ESTIMATED PIPE DIAMETER(INCH) = 63.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 381.59 TRAVEL TIME(MIN.) = .93 TC(MIN.) = 22.63 �rr **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 1500.00 TO NODE 1500.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.639 SOIL CLASSIFICATION IS "A" "" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 74.04 EFFECTIVE AREA(ACRES) = 222.64 .. AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 244.20 mm PEAK FLOW RATE(CFS) = 412.09 TC(MIN) = 22.63 '""' ' 10 ear lam **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** A, FLOW PROCESS FROM NODE 1500.10 TO NODE 1500.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE ««< 40 CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 22.63 RAINFALL INTENSITY (INCH. /HOUR) = 2.64 EFFECTIVE STREAM AREA(ACRES) = 222.64 TOTAL STREAM AREA(ACRES) = 244.20 PEAK FLOW RATE(CFS) AT CONFLUENCE = 412.09 wr **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 1500.10 TO NODE 1500.10 IS CODE = 7 » » >USER SPECIFIED HYDROLOGY INFORMATION AT NODE««< USER - SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 22.70 RAIN INTENSITY(INCH /HOUR) = 2.63 EFFECTIVE AREA(ACRES) = 12.10 TOTAL AREA(ACRES) = 12.10 PEAK FLOW RATE(CFS) = 21.84 «. AVERAGED LOSS RATE, Fm(IN /HR) = .582 ** *ERROR; SPECIFIED LOSS RATE, FM IS LESS THAN MINIMUM °*- POSSIBLE VALUE OF .63(INCHES /HOUR) **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 1500.10 TO NODE 1500.10 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) = 22.70 RAINFALL INTENSITY (INCH. /HOUR) = 2.63, EFFECTIVE STREAM AREA(ACRES) = 12.10 TOTAL STREAM AREA(ACRES) = 12.10 PEAK FLOW RATE(CFS) AT CONFLUENCE = 21.84 CONFLUENCE INFORMATION: 4." STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) .,, 1 412.09 22.63 2.639 .58 222.64 2 21.84 22.70 2.634 .58 12.10 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO 0" CONFLUENCE FORMULA USED FOR 2 STREAMS. 0.• SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 433.92 234.70 11 2 432.98 234.74 ... COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 433.92 TIME(MINUTES) = 22.632 m. EFFECTIVE AREA(ACRES) = 234.70 TOTAL AREA(ACRES) = 256.30 IMP **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 1500.10 TO NODE 1504.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< ,., » »>USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) ««< ""' DEPTH OF FLOW IN 69.0 INCH PIPE IS 53.7 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 20.0 UPSTREAM NODE ELEVATION = 1282.00 DOWNSTREAM NODE ELEVATION = 1259.00 FLOWLENGTH(FEET) = 1500.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 69.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 433.92 TRAVEL TIME(MIN.) = 1.25 TC(MIN.) = 23.88 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 1501.00 TO NODE 1504.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< ... 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.555 SOIL CLASSIFICATION IS "A" Ms* RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 46.00 SUBAREA RUNOFF(CFS) = 81.68 EFFECTIVE AREA(ACRES) = 280.70 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 302.30 PEAK FLOW RATE(CFS) = 498.41 TC(MIN) = 23.88 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 1504.10 TO NODE 1505.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< ,., » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 75.0 INCH PIPE IS 58.1 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 19.5 UPSTREAM NODE ELEVATION = 1259.00 DOWNSTREAM NODE ELEVATION = 1240.00 ,. FLOWLENGTH(FEET) = 1450.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 75.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 498.41 TRAVEL TIME(MIN.) = 1.24 TC(MIN.) = 25.12 12 owl r **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 1505.00 TO NODE 1505.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.479 SOIL CLASSIFICATION IS "A" RESIDENTIAL —> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 •- SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 68.28 EFFECTIVE AREA(ACRES) = 320.70 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 342.30 PEAK FLOW RATE(CFS) = 547.42 TC(MIN) = 25.12 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 1505.10 TO NODE 1505.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE ««< MI6 » » >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES ««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 25.12 RAINFALL INTENSITY (INCH. /HOUR) = 2.48 �- EFFECTIVE STREAM AREA(ACRES) = 320.70 TOTAL STREAM AREA(ACRES) = 342.30 PEAK FLOW RATE(CFS) AT CONFLUENCE = 547.42 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 547.42 25.12 2.479 .58 320.70 ,... RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 1 STREAMS. , SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 547.42 320.70 .,. COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 547.42 TIME(MINUTES) = 25.119 EFFECTIVE AREA(ACRES) = 320.70 41I1 TOTAL AREA(ACRES) = 342.30 +O END OF STUDY SUMMARY: TOTAL AREA(ACRES) = 342.30 EFFECTIVE AREA(ACRES) = 320.70 sip PEAK FLOW RATE(CFS) = 547.42 .., END OF RATIONAL METHOD ANALYSIS ' 13 rr - MOM rr **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 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. PLAN, W. FONTANA CHANNEL LAT. 4, ALONG CITRUS 'm * Q 100 YEAR DESIGN + OVERFLOW FROM BASELINE o r * JN 3547 *************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FILE NAME: WFONT4R2.DES '� TIME /DATE OF STUDY: 4:53 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) = .970 100 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.470 COMPUTED RAINFALL INTENSITY DATA: r.r STORM EVENT = 100.00 1 -HOUR INTENSITY(INCH /HOUR) = 1.4700 SLOPE OF INTENSITY DURATION CURVE = .6000 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 119.00 TO NODE 119.01 IS CODE = 2 ION » »> RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ,n. 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 = 1403.00 DOWNSTREAM ELEVATION = 1382.00 ELEVATION DIFFERENCE = 21.00 .r TC = .412 *[( 1000.00 ** 3.00)/( 21.00)] ** .20 = 14.140 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.499 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA RUNOFF(CFS) = 19.69 mm TOTAL AREA(ACRES) = 7.50 PEAK FLOW RATE(CFS) = 19.69 ✓ r 1 err - ar **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ,. FLOW PROCESS FROM NODE .119.01 TO NODE 119.02 IS CODE = 5 """ » » >COMPUTE TRAPEZOIDAL - CHANNEL FLOW « » » >TRAVELTIME THRU SUBAREA««< +. UPSTREAM NODE ELEVATION = 1382.00 DOWNSTREAM NODE ELEVATION = 1363.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1000.00 CHANNEL BASE(FEET) = 3.00 "Z" FACTOR = 2.000 MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 2.00 CHANNEL FLOW THRU SUBAREA(CFS) = 19.69 FLOW VELOCITY(FEET /SEC) = 4.86 FLOW DEPTH(FEET) = .86 TRAVEL TIME(MIN.) = 3.43 TC(MIN.) = 17.57 as **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 119.10 TO NODE 119.02 IS CODE = 8 oft » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< arr 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.071 SOIL CLASSIFICATION IS "A" +� RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 7.50 SUBAREA RUNOFF(CFS) = 16.80 Mb EFFECTIVE AREA(ACRES) = 15.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 15.00 .,. PEAK FLOW RATE(CFS) = 33.60 TC(MIN) = 17.57 "" **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** .,, FLOW PROCESS FROM NODE 119.02 TO NODE 119.12 IS CODE = 5 *■ » » >COMPUTE TRAPEZOIDAL - CHANNEL FLOW ««< » » >TRAVELTIME THRU SUBAREA ««< oto , UPSTREAM NODE ELEVATION = 1363.00 DOWNSTREAM NODE ELEVATION = 1348.50 .rr CHANNEL LENGTH THRU SUBAREA(FEET) = 750.00 CHANNEL BASE(FEET) = 3.00 "Z" FACTOR = 2.000 MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 2.00 o , CHANNEL FLOW THRU SUBAREA(CFS) = 33.60 FLOW VELOCITY(FEET /SEC) = 5.58 FLOW DEPTH(FEET) = 1.14 ... TRAVEL TIME(MIN.) = 2.24 TC(MIN.) = 19.81 1 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 119.20 TO NODE 119.12 IS CODE = 8 r » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.858 SOIL CLASSIFICATION IS "A" 2 NW NO RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4 SUBAREA AREA(ACRES) = 5.30 SUBAREA RUNOFF(CFS) = 11.32 EFFECTIVE AREA(ACRES) = 20.30 AVERAGED Fm(INCH/HR) = .557 TOTAL AREA(ACRES) = 20.30 ON PEAK FLOW RATE(CFS) = 42.04 TC(MIN) = 19.81 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 119.12 TO NODE 119.22 IS CODE = 6 » » >COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA « «< wr UPSTREAM ELEVATION = 1348.50 DOWNSTREAM ELEVATION = 1346.80 STREET LENGTH(FEET) = 400.00 CURB HEIGTH(INCHES) = 8. ..r STREET HALFWIDTH(FEET) = 20.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 12.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 42.04 ** *STREET FLOWING FULL * ** STREETFLOW MODEL RESULTS: ■11 /gP 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) = .79 HALFSTREET FLOODWIDTH(FEET) = 20.00 AVERAGE FLOW VELOCITY(FEET /SEC.) = 3.03 PRODUCT OF DEPTH &VELOCITY = 2.38 �. STREETFLOW TRAVELTIME(MIN) = 2.20 TC(MIN) = 22.01 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.683 SOIL CLASSIFICATION IS "A" "a RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 rr SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 EFFECTIVE AREA(ACRES) = 20.30 AVERAGED Fm(INCH/HR) = .557 TOTAL AREA(ACRES) = 20.30 PEAK FLOW RATE(CFS) = 42.04 or END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .79 HALFSTREET FLOODWIDTH(FEET) = 20.00 FLOW VELOCITY(FEET /SEC.) = 3.03 DEPTH *VELOCITY = 2.38 rrr aa **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 119.21 TO NODE 119.22 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.683 - 3 0. SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 37.81 EFFECTIVE AREA(ACRES) = 40.30 AVERAGED Fm(INCH/HR) = .569 MOD TOTAL AREA(ACRES) = 40.30 PEAK FLOW RATE(CFS) = 76.66 TC(MIN) = 22.01 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 119.22 TO NODE 119.10 IS CODE = 3 .r » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< DEPTH OF FLOW IN 48.0 INCH PIPE IS 34.5 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 7.9 UPSTREAM NODE ELEVATION = 1346.80 DOWNSTREAM NODE ELEVATION = 1344.00 ere FLOWLENGTH(FEET) = 700.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 48.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 76.66 ,,., TRAVEL TIME(MIN.) = 1.47 TC(MIN.) = 23.48 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 'w FLOW PROCESS FROM NODE 119.31 TO NODE 119.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< .r. 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.581 eft SOIL CLASSIFICATION IS "A" au RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 71.95 A ., EFFECTIVE AREA(ACRES) = 80.30 AVERAGED Fm(INCH/HR) = .576 TOTAL AREA(ACRES) = 80.30 PEAK FLOW RATE(CFS) = 144.91 '" TC(MIN) = 23.48 rrr a **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** r.r FLOW PROCESS FROM NODE 119.10 TO NODE 119.10 IS CODE = 1 Ile » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE ««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 23.48 RAINFALL INTENSITY (INCH. /HOUR) = 2.58 r EFFECTIVE STREAM AREA(ACRES) = 80.30 TOTAL STREAM AREA(ACRES) = 80.30 ,,, PEAK FLOW RATE(CFS) AT CONFLUENCE = 144.91 tow *a, 4 .r aro **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** MO FLOW PROCESS FROM NODE 214.10 TO NODE 214.10 IS CODE = 7 » » >USER SPECIFIED HYDROLOGY INFORMATION AT NODE« «< USER- SPECIFIED VALUES ARE AS FOLLOWS: +rr TC(MIN) = 18.60 RAIN INTENSITY(INCH /HOUR) = 2.97 EFFECTIVE AREA(ACRES) = 48.30 TOTAL AREA(ACRES) = 48.30 PEAK FLOW RATE(CFS) = 95.70 AVERAGED LOSS RATE, Fm(IN /HR) = .582 ** *ERROR; SPECIFIED LOSS RATE, FM IS LESS THAN MINIMUM POSSIBLE VALUE OF .77(INCHES /HOUR) **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 214.10 TO NODE 119.10 IS CODE = 6 »» >COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA ««< UPSTREAM ELEVATION = 1395.00 DOWNSTREAM ELEVATION = 1344.00 STREET LENGTH(FEET) = 2800.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 32.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 24.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 ^~ OUTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 95.70 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) = .82 HALFSTREET FLOODWIDTH(FEET) = 27.12 AVERAGE FLOW VELOCITY(FEET /SEC.) = 5.87 4M PRODUCT OF DEPTH &VELOCITY = 4.82 STREETFLOW TRAVELTIME(MIN) = 7.95 TC(MIN) = 26.55 au 100 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) = .00 SUBAREA RUNOFF(CFS) = .00 ,,,. EFFECTIVE AREA(ACRES) = 48.30 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 48.30 PEAK FLOW RATE(CFS) = 95.70 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .82 HALFSTREET FLOODWIDTH(FEET) = 27.12 ,l, FLOW VELOCITY(FEET /SEC.) = 5.87 DEPTH *VELOCITY = 4.82 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 119.10 TO NODE 119.10 IS CODE = 1 �,° 5 au ,.., » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « « < » » >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES « « < wr CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: "M TIME OF CONCENTRATION(MINUTES) = 26.55 o w RAINFALL INTENSITY (INCH. /HOUR) = 2.40 EFFECTIVE STREAM AREA(ACRES) = 48.30 TOTAL STREAM AREA(ACRES) = 48.30 PEAK FLOW RATE(CFS) AT CONFLUENCE = 95.70 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) "" 1 144.91 23.48 2.581 .58 80.30 , 2 95.70 26.55 2.398 .58 48.30 ,.. RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 238.10 123.03 2 227.39 128.60 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: .� PEAK FLOW RATE(CFS) = 238.10 TIME(MINUTES) = 23.485 EFFECTIVE AREA(ACRES) = 123.03 TOTAL AREA(ACRES) = 128.60 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 119.10 TO NODE 114.10 IS CODE = 3 » » > COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA ««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 54.0 INCH PIPE IS 41.3 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 18.2 wr UPSTREAM NODE ELEVATION = 1344.00 DOWNSTREAM NODE ELEVATION = 1297.00 FLOWLENGTH(FEET) = 2650.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 54.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 238.10 u „ TRAVEL TIME(MIN.) = 2.42 TC(MIN.) = 25.91 Air **************************************** ********* * * * * ****************** FLOW PROCESS FROM NODE 114.10 TO NODE 114.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 25.91 6 vw moi RAINFALL INTENSITY (INCH. /HOUR) = 2.43 EFFECTIVE STREAM AREA(ACRES) = 123.03 TOTAL STREAM AREA(ACRES) = 128.60 mm PEAK FLOW RATE(CFS) AT CONFLUENCE = 238.10 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 114.00 TO NODE 114.01 IS CODE = 2 » » >RATIONAL METHOD INITIAL SUBAREA ANALYSIS« «< mit „ 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 = 1350.00 DOWNSTREAM ELEVATION = 1330.00 ELEVATION DIFFERENCE = 20.00 .•• TC = .412 *[( 1000.00 ** 3.00)/( 20.00)] ** .20 = 14.279 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.479 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA RUNOFF(CFS) = 19.55 TOTAL AREA(ACRES) = 7.50 PEAK FLOW RATE(CFS) = 19.55 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 114.01 TO NODE 114.02 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL - CHANNEL FLOW« «< » » >TRAVELTIME THRU SUBAREA ««< UPSTREAM NODE ELEVATION = 1330.00 DOWNSTREAM NODE ELEVATION = 1313.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1000.00 -- CHANNEL BASE(FEET) = 3.00 "Z" FACTOR = 2.000 MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 2.00 CHANNEL FLOW THRU SUBAREA(CFS) = 19.55 FLOW VELOCITY(FEET /SEC) = 4.59 FLOW DEPTH(FEET) = .89 wit TRAVEL TIME(MIN.) = 3.63 TC(MIN.) = 17.91 dm mm **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 114.20 TO NODE 114.02 IS CODE = 8 mm » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLAW« «< r 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.036 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 7.50 SUBAREA RUNOFF(CFS) = 16.57 EFFECTIVE AREA(ACRES) = 15.00 *• AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 15.00 ' PEAK FLOW RATE(CFS) = 33.14 7 m. arr - mm rr TC(MIN) = 17.91 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** m. FLOW PROCESS FROM NODE 114.02 TO NODE 114.12 IS CODE = 5 mm » » > COMPUTE TRAPEZOIDAL— CHANNEL FLOW««< » » >TRAVELTIME THRU SUBAREA« «< mi UPSTREAM NODE ELEVATION = 1313.00 DOWNSTREAM NODE ELEVATION = 1301.50 CHANNEL LENGTH THRU SUBAREA(FEET) = 680.00 CHANNEL BASE(FEET) = 3.00 "Z" FACTOR = 2.000 MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 2.00 CHANNEL FLOW THRU SUBAREA(CFS) = 33.14 FLOW VELOCITY(FEET /SEC) = 5.29 FLOW DEPTH(FEET) = 1.17 TRAVEL TIME(MIN.) = 2.14 TC(MIN.) = 20.05 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 114.30 TO NODE 114.12 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« « < 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.837 ^s* SOIL CLASSIFICATION IS "A" RESIDENTIAL —> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(IN'' SUBAREA AREA(ACRES) = 5.30 SUBAREA RUNOFF(CFS) ,„. EFFECTIVE AREA(ACRES) = 20.30 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 20.30 PEAK FLOW RATE(CFS) = 41.21 TC(MIN) = 20.05 .w **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 114.12 TO NODE , 114.22 IS CODE = 6 » » >COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA« «< am +g# UPSTREAM ELEVATION = 1301.50 DOWNSTREAM ELEVATION = 1299.80 STREET LENGTH(FEET) = 380.00 CURB HEIGTH(INCHES) = 8. 0 * STREET HALFWIDTH(FEET) = 20.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 12.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 41.21 ** *STREET FLOWING FULL * ** �• STREETFLOW MODEL RESULTS: NOTE: STREETFLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREETFLOW RESULTS ARE BASED ON THE ASSUMPTION 8 ww +r - THAT NEGLIBLE FLOW OCCURS OUTSIDE OF THE STREET CHANNEL. THAT IS, ALL FLOW ALONG THE PARKWAY, ETC., IS NEGLECTED. STREET FLOWDEPTH(FEET) = .77 HALFSTREET FLOODWIDTH(FEET) = 20.00 AVERAGE FLOW VELOCITY(FEET /SEC.) = 3.15 NM PRODUCT OF DEPTH &VELOCITY = 2.41 STREETFLOW TRAVELTIME(MIN) = 2.01 TC(MIN) = 22.06 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.679 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) = 20.30 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 20.30 PEAK FLOW RATE(CFS) = 41.21 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .77 HALFSTREET FLOODWIDTH(FEET) = 20.00 oio FLOW VELOCITY(FEET /SEC.) = 3.15 DEPTH *VELOCITY = 2.41 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 114.11 TO NODE 114.22 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< �- 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.679 SOIL CLASSIFICATION IS "A" or RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 37.75 EFFECTIVE AREA(ACRES) = 40.30 «• AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 40.30 PEAK FLOW RATE(CFS) = 76.07 TC(MIN) = 22.06 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 114.22 TO NODE 114.10 IS CODE = 3 m. » » >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.) = 7.8 eli UPSTREAM NODE ELEVATION = 1299.80 ,, DOWNSTREAM NODE ELEVATION = 1297.00 FLOWLENGTH(FEET) = 730.00 MANNINGS N = .013 w. ESTIMATED PIPE DIAMETER(INCH) = 48.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 76.07 """ TRAVEL TIME(MIN.) = 1.56 TC(MIN.) = 23.63 ,,. **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 114.31 TO NODE 114.10 IS CODE = 8 ler 9 err » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.571 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 71.62 EFFECTIVE AREA(ACRES) = 80.30 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 80.30 PEAK FLOW RATE(CFS) = 143.77 TC(MIN) = 23.63 +rr **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 114.10 TO NODE 114.10 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) = 23.63 RAINFALL INTENSITY (INCH. /HOUR) = 2.57 EFFECTIVE STREAM AREA(ACRES) = 80.30 +�► TOTAL STREAM AREA(ACRES) = 80.30 PEAK FLOW RATE(CFS) AT CONFLUENCE = 143.77 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) taw 1 238.10 25.91 2.433 .58 123.03 2 143.77 23.63 2.571 .58 80.30 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 371.88 203.33 2 377.10 192.50 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: ®" PEAK FLOW RATE(CFS) = 377.10 TIME(MINUTES) = 23.627 EFFECTIVE AREA(ACRES) = 192.50 TOTAL AREA(ACRES) = 208.90 Oft **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 114.10 TO NODE 114.20 IS CODE = 3 isi » »> 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.) = 20.1 10 ®rr ` UPSTREAM NODE ELEVATION = 1297.00 DOWNSTREAM NODE ELEVATION = 1283.00 FLOWLENGTH(FEET) = 840.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 66.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 377.10 TRAVEL TIME(MIN.) = .70 TC(MIN.) = 24.32 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 2001.00 TO NODE 114.20 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« ,., 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.527 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 28.00 SUBAREA RUNOFF(CFS) = 49.01 EFFECTIVE AREA(ACRES) = 220.50 AVERAGED Fm(INCH /HR) = .580 TOTAL AREA(ACRES) = 236.90 PEAK FLOW RATE(CFS) = 386.40 TC(MIN) = 24.32 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ,.. FLOW PROCESS FROM NODE 114.20 TO NODE 452.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< DEPTH OF FLOW IN 66.0 INCH PIPE IS 48.9 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 20.5 -� UPSTREAM NODE ELEVATION = 1283.00 DOWNSTREAM NODE ELEVATION = 1264.00 FLOWLENGTH(FEET) = 1100.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 66.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 386.40 TRAVEL TIME(MIN.) = .89 TC(MIN.) = 25.22 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 2002.00 TO NODE 452.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< err 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.473 em SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 37.00 SUBAREA RUNOFF(CFS) = 62.96 A. EFFECTIVE AREA(ACRES) = 257.50 AVERAGED Fm(INCH /HR) = .580 TOTAL AREA(ACRES) = 273.90 PEAK FLOW RATE(CFS) = 438.61 TC(MIN) = 25.22 11 WO **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** timo FLOW PROCESS FROM NODE 452.50 TO NODE 452.10 IS CODE = 8 to » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.473 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 27.00 SUBAREA RUNOFF(CFS) = 45.95 EFFECTIVE AREA(ACRES) = 284.50 AVERAGED Fm(INCH /HR) = .580 TOTAL AREA(ACRES) = 300.90 we PEAK FLOW RATE(CFS) = 484.56 TC(MIN) = 25.22 w. to **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 452.10 TO NODE 452.10 IS CODE = 1 *a' » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE« «< 'o CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: WA, TIME OF CONCENTRATION(MINUTES) = 25.22 RAINFALL INTENSITY (INCH. /HOUR) = 2.47 EFFECTIVE STREAM AREA(ACRES) = 284.50 TOTAL STREAM AREA(ACRES) = 300.90 taw PEAK FLOW RATE(CFS) AT CONFLUENCE = 484.56 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 452.10 TO NODE 452.10 IS CODE = 7 » » >USER SPECIFIED HYDROLOGY INFORMATION AT NODE««< ,�. USER - SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 25.34 RAIN INTENSITY(INCH /HOUR) = 2.47 EFFECTIVE AREA(ACRES) = 11.71 TOTAL AREA(ACRES) = 11.71 PEAK FLOW RATE(CFS) = 19.85 AVERAGED LOSS RATE, Fm(IN /HR) = .582 arr ** *ERROR; SPECIFIED LOSS RATE, FM IS LESS THAN MINIMUM POSSIBLE VALUE OF .58(INCHES /HOUR) to **************************************** ******************************* FLOW PROCESS FROM NODE 452.10 TO NODE 452.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE« «< "" CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: , TIME OF CONCENTRATION(MINUTES) = 25.34 RAINFALL INTENSITY (INCH. /HOUR) = 2.47 �.. EFFECTIVE STREAM AREA(ACRES) = 11.71 TOTAL STREAM AREA(ACRES) = 11.71 `o PEAK FLOW RATE(CFS) AT CONFLUENCE = 19.85 to 12 MIN **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** drr FLOW PROCESS FROM NODE 452.10 TO NODE 452.10 IS CODE = 7 » » >USER SPECIFIED HYDROLOGY INFORMATION AT NODE««< doo USER - SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 25.34 RAIN INTENSITY(INCH /HOUR) = 2.47 EFFECTIVE AREA(ACRES) = 8.54 "r TOTAL AREA(ACRES) = 8.54 PEAK FLOW RATE(CFS) = 14.49 AVERAGED LOSS RATE, Fm(IN /HR) = .582 smo mor **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 452.10 TO NODE 452.10 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) = 25.34 RAINFALL INTENSITY (INCH. /HOUR) = 2.47 am EFFECTIVE STREAM AREA(ACRES) = 8.54 TOTAL STREAM AREA(ACRES) = 8.54 PEAK FLOW RATE(CFS) AT CONFLUENCE = 14.49 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 484.56 25.22 2.473 .58 284.50 2 19.85 25.34 2.466 .58 11.71 3 14.49 25.34 2.466 .58 8.54 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 3 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 518.86 304.65 2 517.06 304.75 3 517.06 304.75 add COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 518.86 TIME(MINUTES) = 25.218 EFFECTIVE AREA(ACRES) = 304.65 TOTAL AREA(ACRES) = 321.15 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** duo FLOW.PROCESS FROM NODE 452.10 TO NODE 114.30 IS CODE = 3 » » > COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< " » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< 13 wr DEPTH OF FLOW IN 75.0 INCH PIPE IS 55.6 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 21.3 UPSTREAM NODE ELEVATION = 1264.00 DOWNSTREAM NODE ELEVATION = 1253.00 FLOWLENGTH(FEET) = 700.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 75.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 518.86 TRAVEL TIME(MIN.) = .55 TC(MIN.) = 25.77 00 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 2002.10 TO NODE 114.30 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.441 wet SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 23.00 SUBAREA RUNOFF(CFS) = 38.48 EFFECTIVE AREA(ACRES) = 327.65 AVERAGED Fm(INCH/HR) = .581 TOTAL AREA(ACRES) = 344.15 PEAK FLOW RATE(CFS) = 548.64 TC(MIN) = 25.77 **************************************** * * * * * * * * * * * * ** * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 114.30 TO NODE 114.31 IS CODE = 4 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA ««< » » >USING USER - SPECIFIED PIPESIZE««< DEPTH OF FLOW IN 60.0 INCH PIPE IS 7.2 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 7.7 UPSTREAM NODE ELEVATION = 1253.00 DOWNSTREAM NODE ELEVATION = 1233.00 OD? FLOWLENGTH(FEET) = 1150.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 60.00 NUMBER OF PIPES = 54 ,0" PIPEFLOW THRU SUBAREA(CFS) = 548.64 TRAVEL TIME(MIN.) = 2.50 TC(MIN.) = 28.27 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 01" FLOW PROCESS FROM NODE 114.31 TO NODE 114.40 IS CODE = 4 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« �• » » >USING USER - SPECIFIED PIPESIZE««< PIPEFLOW VELOCITY(FEET /SEC.) = 34.5 UPSTREAM NODE ELEVATION = 1233.00 DOWNSTREAM NODE ELEVATION = 1226.40 FLOWLENGTH(FEET) = 300.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 54.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 548.64 :. 14 TRAVEL TIME(MIN.) = .14 TC(MIN.) = 28.42 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 2003.00 TO NODE 114.40 IS CODE = 8 OP » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< Mb 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.302 SOIL CLASSIFICATION IS "A" RESIDENTIAL —> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA AREA(ACRES) = 53.00 SUBAREA RUNOFF(CFS) = 82.04 EFFECTIVE AREA(ACRES) = 380.65 AVERAGED Fm(INCH /HR) = .581 TOTAL AREA(ACRES) = 397.15 PEAK FLOW RATE(CFS) = 589.63 TC(MIN) = 28.42 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 114.40 TO NODE 114.40 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) = 28.42 to RAINFALL INTENSITY (INCH. /HOUR) = 2.30 EFFECTIVE STREAM AREA(ACRES) = 380.65 TOTAL STREAM AREA(ACRES) = 397.15 «f. PEAK FLOW RATE(CFS) AT CONFLUENCE = 589.63 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 589.63 28.42 2.302 , .58 380.65 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 1 STREAMS. ..w SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 589.63 380.65 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 589.63 TIME(MINUTES) = 28.415 EFFECTIVE AREA(ACRES) = 380.65 TOTAL AREA(ACRES) = 397.15 END OF STUDY SUMMARY: dal TOTAL AREA(ACRES) = 397.15 EFFECTIVE AREA(ACRES) = 380.65 PEAK FLOW RATE(CFS) = 589.63 a* 15 aid ale END OF RATIONAL METHOD ANALYSIS dad vim w dal d om r OBI O Wit arr r INN 16 ggia m.. **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 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 es Especially prepared for: HALL & FOREMAN * * * * * * * * * * * * * * * * * * * * * * * * ** DESCRIPTION OF STUDY * * * * * * * * * * * * * * * * * * * * ** .•. * N. FONTANA MASTER S.D. PLAN, W. FONTANA CHANNEL DESIGN LAT. 5 ALONG * TOKAY AVE., Q 100 YEAR + OVERFLOW FROM BASELINE * JN 3547 *************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FILE NAME: WFONCHL5 . DES TIME/DATE OF STUDY: 5: 0 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) = .970 100 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.470 COMPUTED RAINFALL INTENSITY DATA: STORM EVENT = 100.00 1 -HOUR INTENSITY(INCH /HOUR) = 1.4700 SLOPE OF INTENSITY DURATION CURVE = .6000 �- **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 125.00 TO NODE 125.01 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 = 1395.00 DOWNSTREAM ELEVATION = 1375.00 ELEVATION DIFFERENCE = 20.00 TC = .412 *[( 1000.00 ** 3.00)/( 20.00)] ** .20 = 14.279 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.479 SOIL CLASSIFICATION IS "A" MIS RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA RUNOFF(CFS) = 19.55 TOTAL AREA(ACRES) = 7.50 PEAK FLOW RATE(CFS) = 19.55 «� � 1 ann rr swot **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 4M11 FLOW PROCESS FROM NODE 125.01 TO NODE 126.01 IS CODE = 5 » »>COMPUTE TRAPEZOIDAL - CHANNEL FLOW ««< » » >TRAVELTIME THRU SUBAREA««< UPSTREAM NODE ELEVATION = 1375.00 DOWNSTREAM NODE ELEVATION = 1355.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1000.00 CHANNEL BASE(FEET) = 3.00 "Z" FACTOR = 2.000 eau MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 2.00 CHANNEL FLOW THRU SUBAREA(CFS) = 19.55 FLOW VELOCITY(FEET /SEC) = 4.82 FLOW DEPTH(FEET) = .86 TRAVEL TIME(MIN.) = 3.46 TC(MIN.) = 17.74 �., **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 126.00 TO NODE 126.01 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.054 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA AREA(ACRES) = 7.50 SUBAREA RUNOFF(CFS) = 16.69 EFFECTIVE AREA(ACRES) = 15.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 15.00 PEAK FLOW RATE(CFS) = 33.37 TC(MIN) = 17.74 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 126.01 TO NODE 126.10 IS CODE = 5 ^^^ » » >COMPUTE TRAPEZOIDAL - CHANNEL FLOW« «< » » >TRAVELTIME THRU SUBAREA««< UPSTREAM NODE ELEVATION = 1355.00 DOWNSTREAM NODE ELEVATION = 1342.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 650.00 CHANNEL BASE(FEET) = 3.00 "Z" FACTOR = 2.000 MOS MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 2.00 CHANNEL FLOW THRU SUBAREA(CFS) = 33.37 FLOW VELOCITY(FEET /SEC) = 5.76 FLOW DEPTH(FEET) = 1.11 TRAVEL TIME(MIN.) = 1.88 TC(MIN.) = 19.61 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 125.12 TO NODE 126.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.875 SOIL CLASSIFICATION IS "A" alb 2 % a6fY RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA AREA(ACRES) = 5.00 SUBAREA RUNOFF(CFS) = 10.32 EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 41.28 TC(MIN) = 19.61 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 126.10 TO NODE 127.10 IS CODE = 6 » » >COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA ««< UPSTREAM ELEVATION = 1342.00 DOWNSTREAM ELEVATION = 1341.00 STREET LENGTH(FEET) = 350.00 CURB HEIGTH(INCHES) = 8. ..w STREET HALFWIDTH(FEET) = 20.00 •- DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 12.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 41.28 ** *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) (FEET) = .82 HALFSTREET FLOODWIDTH(FEET) = 20.00 «- AVERAGE FLOW VELOCITY(FEET /SEC.) = 2.67 PRODUCT OF DEPTH &VELOCITY = 2.21 STREETFLOW TRAVELTIME(MIN) = 2.18 TC(MIN) = 21.80 100 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) = .00 SUBAREA RUNOFF(CFS) = .00 EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH /HR) = .582 err TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 41.28 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .82 HALFSTREET FLOODWIDTH(FEET) = 20.00 FLOW VELOCITY(FEET /SEC.) = 2.67 DEPTH *VELOCITY = 2.21 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 127.00 TO NODE 127.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.699 3 Ase SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 .r SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 38.10 EFFECTIVE AREA(ACRES) = 40.00 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 40.00 PEAK FLOW RATE(CFS) = 76.21 TC(MIN) = 21.80 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** �- FLOW PROCESS FROM NODE 127.10 TO NODE 128.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA ««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< DEPTH OF FLOW IN 45.0 INCH PIPE IS 33.2 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 8.7 UPSTREAM NODE ELEVATION = 1341.00 DOWNSTREAM NODE ELEVATION = 1337.50 FLOWLENGTH(FEET) = 670.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 45.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 76.21 TRAVEL TIME(MIN.) = 1.28 TC(MIN.) = 23.08 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 128.21 TO NODE 128.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.608 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 72.93 EFFECTIVE AREA(ACRES) = 80.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 80.00 •• PEAK FLOW RATE(CFS) = 145.87 TC(MIN) = 23.08 mom ar **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** mu FLOW PROCESS FROM NODE 128.10 TO NODE 129.10 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 MM PIPEFLOW VELOCITY(FEET /SEC.) = 10.2 *so UPSTREAM NODE ELEVATION = 1337.50 DOWNSTREAM NODE ELEVATION = 1334.00 FLOWLENGTH(FEET) = 670.00 MANNINGS N = .013 „ ESTIMATED PIPE DIAMETER(INCH) = 57.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 145.87 sw 4 An TRAVEL TIME(MIN.) = 1.09 TC(MIN.) = 24.17 YIN **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** A1, FLOW PROCESS FROM NODE 129.00 TO NODE 129.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< .11 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.537 «r SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 "" SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 70.37 EFFECTIVE AREA(ACRES) = 120.00 AVERAGED Fm(INCH /HR) = .582 .,,. TOTAL AREA(ACRES) = 120.00 PEAK FLOW RATE(CFS) = 211.10 TC(MIN) = 24.17 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 129.10 TO NODE 129.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 24.17 RAINFALL INTENSITY (INCH. /HOUR) = 2.54 EFFECTIVE STREAM AREA(ACRES) = 120.00 ""' TOTAL STREAM AREA(ACRES) = 120.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 211.10 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 221.20 TO NODE 221.20 IS CODE = 7 » » >USER SPECIFIED HYDROLOGY INFORMATION AT NODE« «< ®1111 j USER - SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 18.70 RAIN INTENSITY(INCH /HOUR) = 2.96 EFFECTIVE AREA(ACRES) = 68.50 TOTAL AREA(ACRES) = 68.50 PEAK FLOW RATE(CFS) = 134.80 AVERAGED LOSS RATE, Fm(IN /HR) = .582 ** *ERROR; SPECIFIED LOSS RATE, FM IS LESS THAN MINIMUM POSSIBLE VALUE OF .77(INCHES /HOUR) **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 221.20 TO NODE 129.10 IS CODE = 6 MO » » >COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA « UPSTREAM ELEVATION = 1385.00 DOWNSTREAM ELEVATION = 1334.00 STREET LENGTH(FEET) = 2650.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 20.00 m. 5 tag ige aio DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 12.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 134.80 ** *STREET FLOWING FULL * ** STREETFLOW MODEL RESULTS: IWO 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) = .88 HALFSTREET FLOODWIDTH(FEET) = 20.00 AVERAGE FLOW VELOCITY(FEET /SEC.) = 7.58 PRODUCT OF DEPTH &VELOCITY = 6.70 STREETFLOW TRAVELTIME(MIN) = 5.83 TC(MIN) = 24.53 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.514 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) = 68.50 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 68.50 PEAK FLOW RATE(CFS) = 134.80 w. END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .88 HALFSTREET FLOODWIDTH(FEET) = 20.00 FLOW VELOCITY(FEET /SEC.) = 7.58 DEPTH *VELOCITY = 6.70 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 129.10 TO NODE 129.10 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) = 24.53 RAINFALL INTENSITY (INCH. /HOUR) = 2.51 EFFECTIVE STREAM AREA(ACRES) = 68.50 TOTAL STREAM AREA(ACRES) = 68.50 PEAK FLOW RATE(CFS) AT CONFLUENCE = 134.80 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) Nal 1 211.10 24.17 2.537 .58 120.00 2 134.80 24.53 2.514 .58 68.50 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE mom mao 6 Aft A NUMBER Q(CFS) AREA(ACRES) 1 345.47 187.50 2 343.50 188.50 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 345.47 TIME(MINUTES) = 24.168 EFFECTIVE AREA(ACRES) = 187.50 TOTAL AREA(ACRES) = 188.50 m, A **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ,". FLOW PROCESS FROM NODE 129.10 TO NODE 124.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) ««< DEPTH OF FLOW IN 63.0 INCH PIPE IS 47.8 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 19.6 *-° UPSTREAM NODE ELEVATION = 1334.00 DOWNSTREAM NODE ELEVATION = 1288.00 FLOWLENGTH(FEET) = 2750.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 63.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 345.47 TRAVEL TIME(MIN.) = 2.34 TC(MIN.) = 26.51 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 124.10 TO NODE 124.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE ««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 26.51 RAINFALL INTENSITY (INCH. /HOUR) = 2.40 EFFECTIVE STREAM AREA(ACRES) = 187.50 TOTAL STREAM AREA(ACRES) = 188.50 PEAK FLOW RATE(CFS) AT CONFLUENCE = 345.47 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 120.00 TO NODE 120.01 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 = 1000.00 UPSTREAM ELEVATION = 1344.00 DOWNSTREAM ELEVATION = 1325.00 INN ELEVATION DIFFERENCE = 19.00 TC =' .412 *[( 1000.00 ** 3.00)/( 19.00)] ** .20 = 14.426 m" 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.457 AW SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA RUNOFF(CFS) = 19.41 ,. TOTAL AREA(ACRES) = 7.50 PEAK FLOW RATE(CFS) = 19.41 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 120.01 TO NODE 120.02 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL - CHANNEL FLOW ««< » » >TRAVELTIME THRU SUBAREA««< UPSTREAM NODE ELEVATION = 1325.00 DOWNSTREAM NODE ELEVATION = 1308.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1000.00 CHANNEL BASE(FEET) = 3.00 "Z" FACTOR = 2.000 MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 2.00 CHANNEL FLOW THRU SUBAREA(CFS) = 19.41 FLOW VELOCITY(FEET /SEC) = 4.56 FLOW DEPTH(FEET) = .89 TRAVEL TIME(MIN.) = 3.66 TC(MIN.) = 18.08 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 120.12 TO NODE 120.02 IS CODE = 8 MI" » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.019 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 7.50 SUBAREA RUNOFF(CFS) = 16.45 EFFECTIVE AREA(ACRES) = 15.00 """ AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 15.00 PEAK FLOW RATE(CFS) = 32.90 TC(MIN) = 18.08 ***************************************** * *,* * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 120.02 TO NODE 121.10 IS CODE = 5 we. » » >COMPUTE TRAPEZOIDAL - CHANNEL FLOW « «< °"• » » >TRAVELTIME THRU SUBAREA««< UPSTREAM NODE ELEVATION = 1308.00 .r DOWNSTREAM NODE ELEVATION = 1296.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 320.00 - CHANNEL BASE(FEET) = 3.00 "Z" FACTOR = 2.000 MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 2.00 CHANNEL FLOW THRU SUBAREA(CFS) = 32.90 FLOW VELOCITY(FEET /SEC) = 7.04 FLOW DEPTH(FEET) = .95 TRAVEL TIME(MIN.) = .76 TC(MIN.) = 18.84 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 121.00 TO NODE 121.10 IS CODE = 8 8 m.r f./ » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 6110 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.945 SOIL CLASSIFICATION IS "A" A,. RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 5.00 SUBAREA RUNOFF(CFS) = 10.64 EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 20.00 or PEAK FLOW RATE(CFS) = 42.54 TC(MIN) = 18.84 wr **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 121.10 TO NODE 122.10 IS CODE = 6 » » >COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA « «< UPSTREAM ELEVATION = 1296.00 DOWNSTREAM ELEVATION = 1295.00 STREET LENGTH(FEET) = 320.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 32.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 24.00 `AW INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 "- * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 42.54 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) = .84 HALFSTREET FLOODWIDTH(FEET) = 27.87 AVERAGE FLOW VELOCITY(FEET /SEC.) 2.48 PRODUCT OF DEPTH &VELOCITY = 2.08 STREETFLOW TRAVELTIME(MIN) = 2.15 TC(MIN) = 20.99 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.761 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 as SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 42.54 END OF SUBAREA STREETFLOW HYDRAULICS: ... DEPTH(FEET) = .84 HALFSTREET FLOODWIDTH(FEET) = 27.87 rr FLOW VELOCITY(FEET /SEC.) = 2.48 DEPTH *VELOCITY = 2.08 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ..� FLOW PROCESS FROM NODE 122.00 TO NODE 122.10 IS CODE = 8 Mr � 9 WIN WO » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.761 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 39.22 EFFECTIVE AREA(ACRES) = 40.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 40.00 PEAK FLOW RATE(CFS) = 78.44 TC(MIN) = 20.99 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ... FLOW PROCESS FROM NODE 122.10 TO NODE 123.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< DEPTH OF FLOW IN 42.0 INCH PIPE IS 31.3 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = '10.2 UPSTREAM NODE ELEVATION = 1295.00 DOWNSTREAM NODE ELEVATION = 1290.00 FLOWLENGTH(FEET) = 640.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 42.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 78.44 TRAVEL TIME(MIN.) = 1.05 TC(MIN.) = 22.03 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 123.00 TO NODE 123.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.681 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA 'LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 75.58 EFFECTIVE AREA(ACRES) = 80.00 AVERAGED Fm(INCH /HR) _ .582 gior TOTAL AREA(ACRES) = 80.00 .., PEAK FLOW RATE(CFS) = 151.16 TC(MIN) = 22.03 aw so **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 40 FLOW PROCESS FROM NODE 123.10 TO NODE 124.10 IS CODE = 3 so » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< »» >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 63.0 INCH PIPE IS 48.3 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 8.5 UPSTREAM NODE ELEVATION = 1290.00 DOWNSTREAM NODE ELEVATION = 1288.00 10 Mr Amt FLOWLENGTH(FEET) = 640.00 MANNINGS N = .013 A" ESTIMATED PIPE DIAMETER(INCH) = 63.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 151.16 TRAVEL TIME(MIN.) = 1.26 TC(MIN.) = 23.29 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 124.00 TO NODE 124.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLAW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.594 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 ,., SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 72.42 EFFECTIVE AREA(ACRES) = 120.00 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 120.00 PEAK FLOW RATE(CFS) = 217.26 TC(MIN) = 23.29 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 124.10 TO NODE 124.10 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) = 23.29 RAINFALL INTENSITY (INCH. /HOUR) = 2.59 .�. EFFECTIVE STREAM AREA(ACRES) = 120.00 TOTAL STREAM AREA(ACRES) = 120.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 217.26 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) mem 1 345.47 26.51 2.400 .58 187.50 2 217.26 23.29 2.594 .58 120.00 a.. RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE „l, NUMBER Q(CFS) AREA(ACRES) 1 541.81 307.50 2 553.15 284.75 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 553.15 TIME(MINUTES) = 23.290 EFFECTIVE AREA(ACRES) = 284.75 TOTAL AREA(ACRES) = 308.50 11 NIP a,. **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 124.10 TO NODE 124.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 23.29 RAINFALL INTENSITY (INCH. /HOUR) = 2.59 EFFECTIVE STREAM AREA(ACRES) = 284.75 TOTAL STREAM AREA(ACRES) = 308.50 •• PEAK FLOW RATE(CFS) AT CONFLUENCE = 553.15 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 129.10 TO NODE 129.10 IS CODE = 7 » » >USER SPECIFIED HYDROLOGY INFORMATION AT NODE««< USER — SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 24.17 RAIN INTENSITY(INCH /HOUR) = 2.54 EFFECTIVE AREA(ACRES) = 37.60 TOTAL AREA(ACRES) = 37.60 PEAK FLOW RATE(CFS) = 66.10 AVERAGED LOSS RATE, Fm(IN /HR) = .582 ** *ERROR; SPECIFIED LOSS RATE, FM IS LESS THAN MINIMUM POSSIBLE VALUE OF .58(INCHES /HOUR) ,.. **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 129.10 TO NODE 124.10 IS CODE = 6 » » >COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA « « < UPSTREAM ELEVATION = 1334.00 DOWNSTREAM ELEVATION = 1288.00 STREET LENGTH(FEET) = 1750.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 20.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 12.00 .,. INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 66.10 ** *STREET FLOWING FULL * ** MIR STREETFLOW MODEL RESULTS: NOTE: STREETFLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREETFLOW RESULTS ARE BASED ON THE ASSUMPTION 9e THAT NEGLIBLE FLOW OCCURS OUTSIDE OF THE STREET CHANNEL. THAT IS, ALL FLOW ALONG THE PARKWAY, ETC., IS NEGLECTED. +w STREET FLOWDEPTH(FEET) = .71 HALFSTREET FLOODWIDTH(FEET) = 20.00 "" AVERAGE FLOW VELOCITY(FEET /SEC.) = 6.15 PRODUCT OF DEPTH &VELOCITY = 4.35 STREETFLOW TRAVELTIME(MIN) = 4.74 TC(MIN) = 28.91 ""` 12 nr gon 111. **w 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.278 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) = 37.60 "'"' AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 37.60 PEAK FLOW RATE(CFS) = 66.10 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .71 HALFSTREET FLOODWIDTH(FEET) = 20.00 FLOW VELOCITY(FEET /SEC.) = 6.15 DEPTH *VELOCITY = 4.35 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 124.10 TO NODE 124.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 28.91 RAINFALL INTENSITY (INCH. /HOUR) = 2.28 EFFECTIVE STREAM AREA(ACRES) = 37.60 TOTAL STREAM AREA(ACRES) = 37.60 PEAK FLOW RATE(CFS) AT CONFLUENCE = 66.10 ... **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 124.10 TO NODE 24.10 IS CODE = 7 » » >USER SPECIFIED HYDROLOGY INFORMATION AT NODE««< USER - SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 24.34 RAIN INTENSITY(INCH /HOUR) = 2.53 EFFECTIVE AREA(ACRES) = 36.50 TOTAL AREA(ACRES) = 36.50 PEAK FLOW RATE(CFS) = 63.90 AVERAGED LOSS RATE, Fm(IN /HR) = .582 ,.. **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 124.10 TO NODE 124.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE« «< » » >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES ««< aw. CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: �* TIME OF CONCENTRATION(MINUTES) = 24.34 RAINFALL INTENSITY (INCH. /HOUR) = 2.53 err EFFECTIVE STREAM AREA(ACRES) = 36.50 TOTAL STREAM AREA(ACRES) = 36.50 PEAK FLOW RATE(CFS) AT CONFLUENCE = 63.90 40 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 13 low gig 11r 1 553.15 23.29 2.594 .58 284.75 2 66.10 28.91 2.278 .58 37.60 3 63.90 24.34 2.526 .58 36.50 4111 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 3 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 679.57 349.96 '- 2 588.19 358.85 3 662.20 352.90 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 679.57 TIME(MINUTES) = 23.290 EFFECTIVE AREA(ACRES) = 349.96 60 " TOTAL AREA(ACRES) = 382.60 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 124.10 TO NODE 450.10 IS CODE = 3 INN » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) ««< DEPTH OF FLOW IN 81.0 INCH PIPE IS 63.5 INCHES +�► PIPEFLOW VELOCITY(FEET /SEC.) = 22.6 UPSTREAM NODE ELEVATION = 1288.00 DOWNSTREAM NODE ELEVATION = 1273.00 ,OW FLOWLENGTH(FEET) = 950.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 81.00 NUMBER OF PIPES = 1 1111 PIPEFLOW THRU SUBAREA(CFS) = 679.57 TRAVEL TIME(MIN.) = .70 TC(MIN.) = 23.99 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 450.00 TO NODE 450.10 IS CODE = 8 1111 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< air 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.548 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 Ile SUBAREA AREA(ACRES) = 16.40 SUBAREA RUNOFF(CFS) = 29.02 EFFECTIVE AREA(ACRES) = 366.36 AVERAGED Fm (INCH /HR) = .582 TOTAL AREA(ACRES) = 399.00 PEAK FLOW RATE(CFS) = 679.57 4w. TC(MIN) = 23.99 as **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** v.. FLOW PROCESS FROM NODE 450.10 TO NODE 450.10 IS CODE = 1 11r » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< 14 mft ONO AIM CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 23.99 RAINFALL INTENSITY (INCH. /HOUR) = 2.55 EFFECTIVE STREAM AREA(ACRES) = 366.36 TOTAL STREAM AREA(ACRES) = 399.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 679.57 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 450.10 TO NODE 450.10 IS CODE = 7 » » >USER SPECIFIED HYDROLOGY INFORMATION AT NODE « « < USER - SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 25.13 RAIN INTENSITY(INCH /HOUR) = 2.48 EFFECTIVE AREA(ACRES) = 5.00 TOTAL AREA(ACRES) = 5.00 PEAK FLOW RATE(CFS) = 25.13 AVERAGED LOSS RATE, Fm(IN /HR) = .582 .., **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 450.10 TO NODE 450.10 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) = 25.13 „fto RAINFALL INTENSITY (INCH. /HOUR) = 2.48 EFFECTIVE STREAM AREA(ACRES) = 5.00 .., TOTAL STREAM AREA(ACRES) = 5.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 25.13 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) a. 1 679.57 23.99 2.548 .58 366.36 2 25.13 25.13 2.478 .58 5.00 me RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. I"" SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) dig 1 704.45 371.14 2 680.53 371.36 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 704.45 TIME(MINUTES) = 23.991 EFFECTIVE AREA(ACRES) = 371.14 TOTAL AREA(ACRES) = 404.00 MW 15 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 450.10 TO NODE 452.10 IS CODE = 4 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » » >USING USER - SPECIFIED PIPESIZE ««< •• PIPEFLOW VELOCITY(FEET /SEC.) = 19.7 UPSTREAM NODE ELEVATION = 1273.00 mmm DOWNSTREAM NODE ELEVATION = 1266.00 FLOWLENGTH(FEET) = 1500.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 81.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 704.45 TRAVEL TIME(MIN.) = 1.27 TC(MIN.) = 25.26 ***************************************** * *__ * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 452.00 TO NODE 452.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.470 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 38.80 SUBAREA RUNOFF(CFS) = 65.94 EFFECTIVE AREA(ACRES) = 409.94 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 442.80 PEAK FLOW RATE(CFS) = 704.45 TC(MIN) = 25.26 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 452.10 TO NODE 452.10 IS CODE = 1 am » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: ea.. TIME OF CONCENTRATION(MINUTES) = 25.26 RAINFALL INTENSITY (INCH. /HOUR) = 2.47 EFFECTIVE STREAM AREA(ACRES) = 409.94 ""' TOTAL STREAM AREA(ACRES) = 442.80 PEAK FLOW RATE(CFS) AT CONFLUENCE = 704.45 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ,.i FLOW PROCESS FROM NODE 452.10 TO NODE 452.10 IS CODE = 7 » » >USER SPECIFIED HYDROLOGY INFORMATION AT NODE« «< USER - SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 27.11 RAIN INTENSITY(INCH /HOUR) = 2.37 EFFECTIVE AREA(ACRES) = 12.20 TOTAL AREA(ACRES) = 12.20 PEAK FLOW RATE(CFS) = 19.60 AVERAGED LOSS RATE, Fm(IN /HR) = .582 ** *ERROR; SPECIFIED LOSS RATE, FM IS LESS THAN MINIMUM �"' 16 POSSIBLE VALUE OF .58(INCHES /HOUR) eel ew ************* *** ** ** * * * *** * * *** * ** * * * * * * * * ** 0. FLOW PROCESS FROM NODE 452.10 TO NODE 452.10 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) = 27.11 RAINFALL INTENSITY (INCH. /HOUR) = 2.37 EFFECTIVE STREAM AREA(ACRES) = 12.20 0. TOTAL STREAM AREA(ACRES) = 12.20 PEAK FLOW RATE(CFS) AT CONFLUENCE = 19.60 0. CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 704.45 25.26 2.470 .58 409.94 2 19.60 27.11 2.368 .58 12.20 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 723.76 421.31 2 685.80 422.14 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: s " PEAK FLOW RATE(CFS) = 723.76 TIME(MINUTES) = 25.261 EFFECTIVE AREA(ACRES) = 421.31 TOTAL AREA(ACRES) = 455.00 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 452.10 TO NODE 453.10 IS CODE = 4 » »> COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< » » >USING USER - SPECIFIED PIPESIZE ««< 0 , PIPEFLOW VELOCITY(FEET /SEC.) = 20.2 UPSTREAM NODE ELEVATION = 1266.00 �,. DOWNSTREAM NODE ELEVATION = 1251.00 FLOWLENGTH(FEET) = 980.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 81.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 723.76 0. TRAVEL TIME(MIN.) = .81 TC(MIN.) = 26.07 • **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 453.00 TO NODE 453.10 IS CODE = 8 17 onft air » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.424 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 16.58 woe EFFECTIVE AREA(ACRES) = 431.31 AVERAGED Fm(INCH /HR) = .582 ""' TOTAL AREA(ACRES) = 465.00 PEAK FLOW RATE(CFS) = 723.76 TC(MIN) = 26.07 +l+ **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 453.10 TO NODE 456.10 IS CODE = 3 0. » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA ««< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 87.0 INCH PIPE IS 65.5 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 21.7 UPSTREAM NODE ELEVATION = 1251.00 DOWNSTREAM NODE ELEVATION = 1229.00 FLOWLENGTH(FEET) = 1650.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 87.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 723.76 TRAVEL TIME(MIN.) = 1.27 TC(MIN.) = 27.34 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 456.00 TO NODE 456.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< ear 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.356 -- SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 24.00 SUBAREA RUNOFF(CFS) = 38.32 EFFECTIVE AREA(ACRES) = 455.31 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 489.00 PEAK FLOW RATE(CFS) = 726.92 TC(MIN) = 27.34 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 457.00 TO NODE 456.10 IS CODE = 8 IM » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.356 SOIL 'CLASSIFICATION IS "A" *► RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 26.00 SUBAREA RUNOFF(CFS) = 41.51 EFFECTIVE AREA(ACRES) = 481.31 18 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 515.00 PEAK FLOW RATE(CFS) = 768.43 TC(MIN) = 27.34 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 456.10 TO NODE 456.10 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) = 27.34 RAINFALL INTENSITY (INCH. /HOUR) = 2.36 EFFECTIVE STREAM AREA(ACRES) = 481.31 .�. TOTAL STREAM AREA(ACRES) = 515.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 768.43 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE ,., NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) Niw 1 768.43 27.34 2.356 .58 481.31 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 1 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 768.43 481.31 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 768.43 TIME(MINUTES) = 27.336 EFFECTIVE AREA(ACRES) = 481.31 TOTAL AREA(ACRES) = 515.00 END OF STUDY SUMMARY: TOTAL AREA(ACRES) = 515.00 EFFECTIVE AREA(ACRES) = 481.31 'V' PEAK FLOW RATE(CFS) = 768.43 END OF RATIONAL METHOD ANALYSIS .r air mm Aar mm '°rN 19 WOO ant OW ,.. **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 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. PLAN, W. FONTANA CHANNEL LAT. 6 * Q 100 YEAR, NO OVERFLOW FOR THIS PORTION OF S.D. * JN 3547 *************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FILE NAME: WFONT6R.100 TIME /DATE OF STUDY: 5:14 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) = .970 .•. 100 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.470 COMPUTED RAINFALL INTENSITY DATA: STORM EVENT = 100.00 1 -HOUR INTENSITY(INCH /HOUR) = 1.4700 SLOPE OF INTENSITY DURATION CURVE = .6000 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 454.00 TO NODE • 454.10 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 Wo INITIAL SUBAREA FLOW - LENGTH = 1000.00 UPSTREAM ELEVATION = 1266.00 +• DOWNSTREAM ELEVATION = 1249.00 ELEVATION DIFFERENCE = 17.00 O` TC = .412 *[( 1000.00 ** 3.00)/( 17.00)] ** .20 = 14.751 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.411 aw SOIL CLASSIFICATION IS "A" 460 RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA RUNOFF(CFS) = 25.46 TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 25.46 1 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ... FLOW PROCESS FROM NODE 454.10 TO NODE 455.21 IS CODE = 6 » » >COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA« «< UPSTREAM ELEVATION = 1249.00 DOWNSTREAM ELEVATION = 1247.30 STREET LENGTH(FEET) = 350.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 36.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 24.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 au SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 25.46 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) = .71 HALFSTREET FLOODWIDTH(FEET) = 17.62 AVERAGE FLOW VELOCITY(FEET /SEC.) = 2.71 PRODUCT OF DEPTH &VELOCITY = 1.93 STREETFLOW TRAVELTIME(MIN) = 2.15 TC(MIN) = 16.90 aso 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.144 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) = 10.00 AVERAGED Fm(INCH /HR) = .582 .r+ TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 25.46 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .71 HALFSTREET FLOODWIDTH(FEET) = 17.62 FLOW VELOCITY(FEET /SEC.) = 2.71 DEPTH *VELOCITY = 1.93 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** moo FLOW PROCESS FROM NODE 455.00 TO NODE 455.21 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« wr 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.144 «*• SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 23.06 EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 20.00 PEAK 'FLOW RATE(CFS) = 46.11 TC(MIN) = 16.90 2 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 455.21 TO NODE 456.01 IS CODE = 3 "w' » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA ««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) ««< DEPTH OF FLOW IN 39.0 INCH PIPE IS 29.1 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 6.9 UPSTREAM NODE ELEVATION = 1247.30 DOWNSTREAM NODE ELEVATION = 1245.00 FLOWLENGTH(FEET) = 575.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 39.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 46.11 "" TRAVEL TIME(MIN.) = 1.38 TC(MIN.) = 18.28 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 456.00 TO NODE 456.01 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) = 20.00 SUBAREA RUNOFF(CFS) = 43.51 EFFECTIVE AREA(ACRES) = 40.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 40.00 PEAK FLOW RATE(CFS) = 87.02 TC(MIN) = 18.28 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 456.01 TO NODE 457.01 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) ««< DEPTH OF FLOW IN 51.0 INCH PIPE IS 37.6 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 7.8 UPSTREAM NODE ELEVATION = 1245.00 DOWNSTREAM NODE ELEVATION =. 1242.80 FLOWLENGTH(FEET) = 630.00 MANNINGS N = .013 4111 ESTIMATED PIPE DIAMETER(INCH) = 51.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 87.02 AM. TRAVEL TIME(MIN.) = 1.35 TC(MIN.) = 19.64 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 666 FLOW PROCESS FROM NODE 457.00 TO NODE 457.01 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.873 SOIL CLASSIFICATION IS "A" 3 RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 28.00 SUBAREA RUNOFF(CFS) = 57.74 EFFECTIVE AREA(ACRES) = 68.00 "`" AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 68.00 PEAK FLOW RATE(CFS) = 140.23 TC(MIN) = 19.64 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 457.01 TO NODE 455.10 IS CODE = 3 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< DEPTH OF FLOW IN 57.0 INCH PIPE IS 41.9 INCHES ew PIPEFLOW VELOCITY(FEET /SEC.) = 10.0 UPSTREAM NODE ELEVATION = 1242.80 DOWNSTREAM NODE ELEVATION = 1239.00 FLOWLENGTH(FEET) = 750.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 57.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 140.23 TRAVEL TIME(MIN.) = 1.24 TC(MIN.) = 20.88 -" **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 457.10 TO NODE 455.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.769 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 78.74 EFFECTIVE AREA(ACRES) = 108.00 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 108.00 PEAK FLOW RATE(CFS) = 212.61 „.. TC(MIN) = 20.88 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 455.10 TO NODE 458.10 IS CODE = 3 Ito » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLAW) ««< DEPTH OF FLOW IN 57.0 INCH PIPE IS 45.5 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 14.0 UPSTREAM NODE ELEVATION = 1239.00 DOWNSTREAM NODE ELEVATION = 1223.00 FLOWLENGTH(FEET) = 1650.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 57.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 212.61 TRAVEL TIME(MIN.) = 1.96 TC(MIN.) = 22.84 4 aMaS ATIO **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 458.00 TO NODE 458.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.624 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 78.00 SUBAREA RUNOFF(CFS) = 143.36 EFFECTIVE AREA(ACRES) = 186.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 186.00 PEAK FLOW RATE(CFS) = 341.85 TC(MIN) = 22.84 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 458.10 TO NODE 458.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< 411 CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 22.84 RAINFALL INTENSITY (INCH. /HOUR) = 2.62 EFFECTIVE STREAM AREA(ACRES) = 186.00 TOTAL STREAM AREA(ACRES) = 186.00 �- PEAK FLOW RATE(CFS) AT CONFLUENCE = 341.85 END OF STUDY SUMMARY: TOTAL AREA(ACRES) = 186.00 EFFECTIVE AREA(ACRES) = 186.00 PEAK FLOW RATE(CFS) = 341.85 END OF RATIONAL METHOD ANALYSIS Walla Adig "� 5 osat **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 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. PLAN, W. FONTANA CHANNEL LAT. 7 NORTHERN PORTI * Q 100 YEAR + OVERFLOW FROM BASELINE S.D. * JN 3547 *************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FILE NAME: WFONT7RA.100 TIME /DATE OF STUDY: 5:49 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) = .970 100 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.470 COMPUTED RAINFALL INTENSITY DATA: STORM EVENT = 100.00 1 -HOUR INTENSITY(INCH /HOUR) = 1.4700 SLOPE OF INTENSITY DURATION CURVE = .6000 ... **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 133.00 TO NODE .133.01 IS CODE = 2 » »> RATIONAL METHOD INITIAL SUBAREA ANALYSIS« DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 3 -4 DWELLINGS /ACRE MI' TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW-LENGTH = 1000.00 UPSTREAM ELEVATION = 1385.00 DOWNSTREAM ELEVATION = 1362.00 ELEVATION DIFFERENCE = 23.00 TC = .412 *[( 1000.00 ** 3.00)/( 23.00)] ** .20 = 13.885 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.537 SOIL CLASSIFICATION IS "A" �,. RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA RUNOFF(CFS) = 19.95 TOTAL AREA(ACRES) = 7.50 PEAK FLOW RATE(CFS) = 19.95 "' 1 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 133.01 TO NODE 134.01 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL- CHANNEL FLOW««< » » >TRAVELTIME THRU SUBAREA««< UPSTREAM NODE ELEVATION = 1362.00 DOWNSTREAM NODE ELEVATION = 1344.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1000.00 CHANNEL BASE(FEET) = 3.00 "Z" FACTOR = 2.000 MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 2.00 CHANNEL FLOW THRU SUBAREA(CFS) = 19.95 FLOW VELOCITY(FEET /SEC) = 4.68 FLOW DEPTH(FEET) = .89 a" TRAVEL TIME(MIN.) = 3.56 TC(MIN.) = 17.44 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 134.00 TO NODE 134.01 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« « < 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.085 SOIL CLASSIFICATION IS "A" *IN RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA AREA(ACRES) = 7.50 SUBAREA RUNOFF(CFS) = 16.89 EFFECTIVE AREA(ACRES) = 15.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 15.00 ,... PEAK FLOW RATE(CFS) = 33.79 TC(MIN) = 17.44 .,. **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** MIN FLOW PROCESS FROM NODE 134.01 TO NODE 134.10 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL - CHANNEL FLOW««< » » >TRAVELTIME THRU SUBAREA««< UPSTREAM NODE ELEVATION = 1344.00 DOWNSTREAM NODE ELEVATION = 1332.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 670.00 CHANNEL BASE(FEET) = 3.00 "Z" FACTOR = 2.000 MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 2.00 CHANNEL FLOW THRU SUBAREA(CFS) = 33.79 FLOW VELOCITY(FEET /SEC) = 5.40 FLOW DEPTH(FEET) = 1.17 TRAVEL TIME(MIN.) = 2.07 TC(MIN.) = 19.51 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 133.12 TO NODE 134.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.884 SOIL CLASSIFICATION IS "A" 2 RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 5.00 SUBAREA RUNOFF(CFS) = 10.36 EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 41.44 ... TC(MIN) = 19.51 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 134.10 TO NODE 135.10 IS CODE = 6 » » >COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< UPSTREAM ELEVATION = 1332.00 DOWNSTREAM ELEVATION = 1330.00 STREET LENGTH(FEET) = 320.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 20.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 12.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 v. OUTSIDE STREET CROSSFALL(DECIMAL) =. .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 41.44 ** *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) = .75 HALFSTREET FLOODWIDTH(FEET) = 20.00 AVERAGE FLOW VELOCITY(FEET /SEC.) = 3.37 PRODUCT OF DEPTH &VELOCITY = 2.51 STREETFLOW TRAVELTIME(MIN) = 1.58 TC(MIN) = 21.10 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.752 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 aro SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 41.44 END OF SUBAREA STREETFLOW HYDRAULICS: ,., DEPTH(FEET) = .75 HALFSTREET FLOODWIDTH(FEET) = 20.00 FLOW VELOCITY(FEET /SEC.) = 3.37 DEPTH *VELOCITY = 2.51 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 135.00 TO NODE 135.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< '� 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.752 3 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 39.06 EFFECTIVE AREA(ACRES) = 40.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 40.00 PEAK FLOW RATE(CFS) = 78.13 TC(MIN) = 21.10 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 135.10 TO NODE 135.10 IS CODE = 1 d"' » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE« «< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: d. TIME OF CONCENTRATION(MINUTES) = 21.10 RAINFALL INTENSITY (INCH. /HOUR) = 2.75 EFFECTIVE STREAM AREA(ACRES) = 40.00 TOTAL STREAM AREA ACRES) = 40.00 00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 78.13 .id **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 221.10 TO NODE 221.10 IS CODE = 7 » » >USER SPECIFIED HYDROLOGY INFORMATION AT NODE««< „*. USER - SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 18.60 RAIN INTENSITY(INCH /HOUR) = 2.97 EFFECTIVE AREA(ACRES) = 19.70 TOTAL AREA(ACRES) = 19.70 PEAK FLOW RATE(CFS) = 44.10 AVERAGED LOSS RATE, Fm(IN /HR) = .582 Nig -- **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 221.10 TO NODE 135.10 IS CODE = 6 » » >COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA « «< UPSTREAM ELEVATION = 1380.00 DOWNSTREAM ELEVATION = 1330.00 STREET LENGTH(FEET) = 2600.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 20.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 12.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 mon * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 44.10 STREETFLOW MODEL RESULTS: STREET FLOWDEPTH(FEET) = .66 HALFSTREET FLOODWIDTH(FEET) = 18.87 AMY AVERAGE FLOW VELOCITY(FEET /SEC.) = 5.07 4 PRODUCT OF DEPTH &VELOCITY = 3.32 STREETFLOW TRAVELTIME(MIN) = 8.55 TC(MIN) = 27.15 100 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) = .00 SUBAREA RUNOFF(CFS) = .00 EFFECTIVE AREA(ACRES) = 19.70 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 19.70 PEAK FLOW RATE(CFS) = 44.10 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .66 HALFSTREET FLOODWIDTH(FEET) = 18.87 FLOW VELOCITY(FEET /SEC.) = 5.07 DEPTH *VELOCITY = 3.32 �- **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 135.10 TO NODE 135.10 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) = 27.15 .�. RAINFALL INTENSITY (INCH. /HOUR) = 2.37 EFFECTIVE STREAM AREA(ACRES) = 19.70 TOTAL STREAM AREA(ACRES) = 19.70 PEAK FLOW RATE(CFS) AT CONFLUENCE = 44.10 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 78.13 21.10 2.752 .58 40.00 2 44.10 27.15 2.365 .58 19.70 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 119.82 55.31 2 108.30 59.70 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 119.82 TIME(MINUTES) = 21.097 EFFECTIVE AREA(ACRES) = 55.31 TOTAL AREA(ACRES) = 59.70 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ,,,. FLOW PROCESS FROM NODE 135.10 TO NODE 136.10 IS CODE = 3 » »> COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< 5 .r. DEPTH OF FLOW IN 51.0 INCH PIPE IS 38.6 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 10.4 UPSTREAM NODE ELEVATION = 1330.00 DOWNSTREAM NODE ELEVATION = 1325.50 FLOWLENGTH(FEET) = 720.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 51.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 119.82 TRAVEL TIME(MIN.) = 1.15 TC(MIN.) = 22.25 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ,,. FLOW PROCESS FROM NODE 136.00 TO NODE 136.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.666 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 -- SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 75.01 EFFECTIVE AREA(ACRES) = 95.31 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 99.70 PEAK FLOW RATE(CFS) = 178.73 TC(MIN) = 22.25 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 136.10 TO NODE 130.10 IS CODE = 3 » »> COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) ««< DEPTH OF FLOW IN 48.0 INCH PIPE IS 39.0 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 16.3 UPSTREAM NODE ELEVATION = 1325.50 a- DOWNSTREAM NODE ELEVATION = 1280.00 FLOWLENGTH(FEET) = 2750.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 48.00 NUMBER OF PIPES = 1 ... PIPEFLOW THRU SUBAREA(CFS) = 178.73 TRAVEL TIME(MIN.) = 2.81 TC(MIN.) = 25.06 a* °m **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 130.10 TO NODE 130.10 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) = 25.06 ... RAINFALL INTENSITY (INCH. /HOUR) = 2.48 EFFECTIVE STREAM AREA(ACRES) = 95.31 TOTAL STREAM AREA(ACRES) = 99.70 PEAK FLOW RATE(CFS) AT CONFLUENCE = 178.73 6 AAA Am A' CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 178.73 25.06 2.482 .58 95.31 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 1 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE °" NUMBER Q(CFS) AREA(ACRES) 1 178.73 95.31 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 178.73 TIME(MINUTES) = 25.056 EFFECTIVE AREA(ACRES) = 95.31 TOTAL AREA(ACRES) = 99.70 END OF STUDY SUMMARY: TOTAL AREA(ACRES) = 99.70 EFFECTIVE AREA(ACRES) = 95.31 PEAK FLOW RATE(CFS) = 178.73 0. 0 . END OF RATIONAL METHOD ANALYSIS AW Awe woo mai err oar mm 7 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE 40' (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. PLAN, W. FONTANA CHANNEL LAT. 7 SOUTH PORTION * Q 100 YEAR + OVERFLOW FROM BASELINE S.D. * JN 3547 *************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FILE NAME: WFONT7RB.100 TIME /DATE OF STUDY: 6: 2 1/ 1/1980 USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: am -- *TIME -OF- CONCENTRATION MODEL*- - .r, USER SPECIFIED STORM EVENT(YEAR) = 100.00 SPECIFIED MINIMUM PIPE SIZE(INCH) = 18.00 *r - 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) = .970 100 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.470 COMPUTED RAINFALL INTENSITY DATA: STORM EVENT = 100.00 1 -HOUR INTENSITY(INCH /HOUR) = 1.4700 SLOPE OF INTENSITY DURATION CURVE = .6000 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 130.00 TO NODE 130.01 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.r INITIAL SUBAREA FLOW- LENGTH = 1000.00 UPSTREAM ELEVATION = 1334.00 DOWNSTREAM ELEVATION = 1313.00 ELEVATION DIFFERENCE = 21.00 TC = .412 *[( 1000.00 ** 3.00)/( 21.00)] ** .20 = 14.140 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.499 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA RUNOFF(CFS) = 19.69 TOTAL AREA(ACRES) = 7.50 PEAK FLOW RATE(CFS) = 19.69 wont 1 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 130.01 TO NODE 130.02 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL - CHANNEL FLOW ««< »» >TRAVELTIME THRU SUBAREA ««< .o UPSTREAM NODE ELEVATION = 1313.00 DOWNSTREAM NODE ELEVATION = 1297.00 °" CHANNEL LENGTH THRU SUBAREA(FEET) = 1000.00 CHANNEL BASE(FEET) = 3.00 "Z" FACTOR = 2.000 MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 2.00 .., CHANNEL FLOW THRU SUBAREA(CFS) = 19.69 FLOW VELOCITY(FEET /SEC) = 4.62 FLOW DEPTH(FEET) = .89 TRAVEL TIME(MIN.) = 3.60 TC(MIN.) = 17.74 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 130.10 TO NODE 130.02 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.053 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA AREA(ACRES) = 7.50 SUBAREA RUNOFF(CFS) = 16.68 EFFECTIVE AREA(ACRES) = 15.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 15.00 ,... PEAK FLOW RATE(CFS) = 33.36 TC(MIN) = 17.74 ..." **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** VLF FLOW PROCESS FROM NODE 130.02 TO NODE 130.12 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL - CHANNEL FLOW « «< » » >TRAVELTIME THRU SUBAREA ««< UPSTREAM NODE ELEVATION = 1297.00 DOWNSTREAM NODE ELEVATION = 1285.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 720.00 CHANNEL BASE(FEET) = 3.00 "Z" FACTOR = 2.000 MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 2.00 60 CHANNEL FLOW THRU SUBAREA(CFS) = 33.36 FLOW VELOCITY(FEET /SEC) = 5.33 FLOW DEPTH(FEET) = 1.17 'A» TRAVEL TIME(MIN.) = 2.25 TC(MIN.) = 20.00 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLAW PROCESS FROM NODE 130.20 TO NODE 130.12 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.842 SOIL CLASSIFICATION IS "A" 2 AR RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 5.00 SUBAREA RUNOFF(CFS) = 10.17 EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 40.68 0. TC(MIN) = 20.00 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 130.12 TO NODE 130.22 IS CODE = 6 » » >COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA« « < IMP UPSTREAM ELEVATION = 1285.00 DOWNSTREAM ELEVATION = 1283.00 44. STREET LENGTH(FEET) = 320.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 32.00 ,... DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 24.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 40.68 .� 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) = .75 HALFSTREET FLOODWIDTH(FEET) = 23.37 AVERAGE FLOW VELOCITY(FEET /SEC.) = 3.25 PRODUCT OF DEPTH &VELOCITY = 2.43 STREETFLOW TRAVELTIME(MIN) = 1.64 TC(MIN) = 21.64 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.711 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) _ .00 air EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH /HR) = .582 am TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 40.68 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .75 HALFSTREET FLOODWIDTH(FEET) = 23.37 FLOW VELOCITY(FEET /SEC.) = 3.25 DEPTH *VELOCITY = 2.43 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 130.21 TO NODE 130.22 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.711 4"" SOIL CLASSIFICATION IS "A" 3 RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 38.32 EFFECTIVE AREA(ACRES) = 40.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 40.00 PEAK FLOW RATE(CFS) = 76.64 TC(MIN) = 21.64 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 130.22 TO NODE 130.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< °~ DEPTH OF FLOW IN 45.0 INCH PIPE IS 36.1 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 8.1 UPSTREAM NODE ELEVATION = 1283.00 �,. DOWNSTREAM NODE ELEVATION = 1280.00 FLOWLENGTH(FEET) = 680.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 45.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 76.64 TRAVEL TIME(MIN.) = 1.40 TC(MIN.) = 23.04 X54 .IM. * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * FLOW PROCESS FROM NODE 130.31 TO NODE 130.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.611 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 73.03 EFFECTIVE AREA(ACRES) = 80.00 ...,, AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 80.00 PEAK FLOW RATE(CFS) = 146.05 TC(MIN) = 23.04 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 130.10 TO NODE 130.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 23.04 RAINFALL INTENSITY (INCH. /HOUR) = 2.61 EFFECTIVE STREAM AREA(ACRES) = 80.00 TOTAL STREAM AREA(ACRES) = 80.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 146.05 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 4 MN FLOW PROCESS FROM NODE 130.10 TO NODE 130.10 IS CODE = 7 » » >USER SPECIFIED HYDROLOGY INFORMATION AT NODE««< USER - SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 25.10 RAIN INTENSITY(INCH /HOUR) = 2.48 EFFECTIVE AREA(ACRES) = 95.31 TOTAL AREA(ACRES) = 99.70 PEAK FLOW RATE(CFS) = 178.73 AVERAGED LOSS RATE, Fm(IN /HR) = .580 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 130.10 TO NODE 130.10 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) = 25.10 RAINFALL INTENSITY (INCH. /HOUR) = 2.48 4" EFFECTIVE STREAM AREA(ACRES) = 95.31 TOTAL STREAM AREA(ACRES) = 99.70 PEAK FLOW RATE(CFS) AT CONFLUENCE = 178.73 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 146.05 23.04 2.611 .58 80.00 2 178.73 25.10 2.480 .58 95.31 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE ,.. NUMBER Q(CFS) AREA(ACRES) 1 321.40 167.49 2 315.37 175.31 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 321.40 TIME(MINUTES) = 23.039 EFFECTIVE AREA(ACRES) = 167.49 TOTAL AREA(ACRES) = 179.70 ea **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 130.10 TO NODE 131.10 IS CODE = 3 » »> COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 75.0 INCH PIPE IS 56.0 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 13.1 UPSTREAM NODE ELEVATION = 1280.00 "" DOWNSTREAM NODE ELEVATION = 1272.00 5 FLOWLENGTH(FEET) = 1350.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 75.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 321.40 TRAVEL TIME(MIN.) = 1.72 TC(MIN.) = 24.76 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 131.00 TO NODE 131.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.500 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 80.00 SUBAREA RUNOFF(CFS) = 138.11 EFFECTIVE AREA(ACRES) = 247.49 AVERAGED Fm(INCH /HR) = .581 TOTAL AREA(ACRES) = 259.70 PEAK FLOW RATE(CFS) = 427.40 TC(MIN) = 24.76 �." **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** .�. FLOW PROCESS FROM NODE 131.10 TO NODE 132.10 IS CODE = 4 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA ««< » »>USING USER - SPECIFIED PIPESIZE ««< PIPEFLOW VELOCITY(FEET /SEC.) = 16.5 UPSTREAM NODE ELEVATION = 1272.00 DOWNSTREAM NODE ELEVATION -= 1267.00 FLOWLENGTH(FEET) = 700.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 69.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 427.40 TRAVEL TIME(MIN.) = .71 TC(MIN.) = 25.47 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 132.20 TO NODE 132.10 IS CODE = 8 ma• » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.458 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 67.54 EFFECTIVE AREA(ACRES) = 287.49 AVERAGED Fm(INCH /HR) = .581 TOTAL AREA(ACRES) = 299.70 PEAK FLOW RATE(CFS) = 485.59 TC(MIN) = 25.47 • **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** "N FLOW PROCESS FROM NODE 132.10 TO NODE 140.10 IS CODE = 3 6 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) ««< DEPTH OF FLOW IN 72.0 INCH PIPE IS 56.4 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 20.4 UPSTREAM NODE ELEVATION = 1267.00 DOWNSTREAM NODE ELEVATION = 1227.00 FLOWLENGTH(FEET) = 2650.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 72.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 485.59 TRAVEL TIME(MIN.) = 2.16 TC(MIN.) = 27.63 4W **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** *n" FLOW PROCESS FROM NODE 140.10 TO NODE 140.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE« «< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 27.63 RAINFALL INTENSITY (INCH. /HOUR) = 2.34 EFFECTIVE STREAM AREA(ACRES) = 287.49 +�• TOTAL STREAM AREA(ACRES) = 299.70 PEAK FLOW RATE(CFS) AT CONFLUENCE = 485.59 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** .., FLOW PROCESS FROM NODE 132.10 TO NODE 132.10 IS CODE = 7 *' » » >USER SPECIFIED HYDROLOGY INFORMATION AT NODE « «< USER- SPECIFIED VALUES ARE AS FOLLOWS: .�„ TC(MIN) = 25.60 RAIN INTENSITY(INCH /HOUR) = 2.45 EFFECTIVE AREA(ACRES) = 77.00 TOTAL AREA(ACRES) = 77.00 PEAK FLOW RATE(CFS) = 143.70 AVERAGED LOSS RATE, Fm(IN /HR) = .580 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** +1' FLOW PROCESS FROM NODE 132.10 TO NODE 132.10 IS CODE = 1 00 »» >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: ,.s TIME OF CONCENTRATION(MINUTES) = 25.60 RAINFALL INTENSITY (INCH. /HOUR) = 2.45 EFFECTIVE STREAM AREA(ACRES) = 77.00 TOTAL STREAM AREA(ACRES) = 77.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 143.70 00 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 00 FLOW PROCESS FROM NODE 2004.00 TO NODE 2004.01 IS CODE = 2 7 » » >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 = 1280.00 DOWNSTREAM ELEVATION = 1262.00 *�* ELEVATION DIFFERENCE = 18.00 TC = .412 *[( 1000.00 ** 3.00)/( 18.00)] ** .20 = 14.583 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.435 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA RUNOFF(CFS) = 19.26 TOTAL AREA(ACRES) = 7.50 PEAK FLOW RATE(CFS) = 19.26 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** - FLOW PROCESS FROM NODE 2004.01 TO NODE 2004.02 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL - CHANNEL FLOW««< » » >TRAVELTIME THRU SUBAREA««< UPSTREAM NODE ELEVATION = 1262.00 DOWNSTREAM NODE ELEVATION = 1244.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1000.00 CHANNEL BASE(FEET) = 3.00 "Z" FACTOR = 2.000 MANNINGS FACTOR = .013 MAXIMUM DEPTH(FEET) = 2.00 ,., CHANNEL FLOW THRU SUBAREA(CFS) = 19.26 FLOW VELOCITY(FEET /SEC) = 8.60 FLOW DEPTH(FEET) = .55 TRAVEL TIME(MIN.) = 1.94 TC(MIN.) = 16.52 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 2004.10 TO NODE 2004.02 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK,FLOW ««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.187 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 7.50 SUBAREA RUNOFF(CFS) = 17.58 EFFECTIVE AREA(ACRES) = 15.00 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 15.00 PEAK FLOW RATE(CFS) = 35.17 TC(MIN) = 16.52 deo **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 2004.02 TO NODE 2004.03 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL - CHANNEL FLOW« «< » »>TRAVELTIME THRU SUBAREA««< aer '.�' 8 stAM ' UPSTREAM NODE ELEVATION = 1244.00 DOWNSTREAM NODE ELEVATION = 1237.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 640.00 CHANNEL BASE(FEET) = 3.00 "Z" FACTOR = 2.000 MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 2.00 CHANNEL FLOW THRU SUBAREA(CFS) = 35.17 ,., FLOW VELOCITY(FEET /SEC) = 4.68 FLOW DEPTH(FEET) = 1.33 TRAVEL TIME(MIN.) = 2.28 TC(MIN.) = 18.80 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ,em FLOW PROCESS FROM NODE 2004.20 TO NODE 2004.03 IS CODE = 8 �» » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.949 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 ,.. SUBAREA AREA(ACRES) = 5.00 SUBAREA RUNOFF(CFS) = 10.65 EFFECTIVE AREA(ACRES) = 20.00 "m' AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 42.61 .,, TC(MIN) = 18.80 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 2004.03 TO NODE 2006.10 IS CODE = 6 » » >COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA««< UPSTREAM ELEVATION = 1237.00 DOWNSTREAM ELEVATION = 1235.00 STREET LENGTH(FEET) = 320.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 32.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 24.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 42.61 -0 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) = .76 HALFSTREET FLOODWIDTH(FEET) = 24.13 .AVERAGE FLOW VELOCITY(FEET /SEC.) = 3.22 "„ PRODUCT OF DEPTH &VELOCITY = 2.45 STREETFLOW TRAVELTIME(MIN) = 1.65 TC(MIN) = 20.45 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.804 SOIL CLASSIFICATION IS "A" ., 9 "` 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 TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 42.61 "" END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .76 HALFSTREET FLOODWIDTH(FEET) = 24.13 FLOW VELOCITY(FEET /SEC.) = 3.22 DEPTH *VELOCITY = 2.45 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 2006.00 TO NODE 2006.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.804 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 39.99 EFFECTIVE AREA(ACRES) = 40.00 moo AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 40.00 PEAK FLOW RATE(CFS) = 79.98 TC(MIN) = 20.45 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 2006.10 TO NODE 2007.10 IS CODE = 3 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 45.0 INCH PIPE IS 36.5 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 8.3 UPSTREAM NODE ELEVATION = 1235.00 ,." DOWNSTREAM NODE ELEVATION = 1232.00 FLOWLENGTH(FEET) = 640.00 MANNINGS N = .013 '"° ESTIMATED PIPE DIAMETER(INCH) = 45.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 79.98 TRAVEL TIME(MIN.) = 1.28 TC(MIN.) = 21.73 �., **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 2007.00 TO NODE 2007.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.703 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 76.37 EFFECTIVE AREA(ACRES) = 80.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 80.00 PEAK FLOW RATE(CFS) = 152.75 10 TC(MIN) = 21.73 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 2007.10 TO NODE 140.10 IS CODE = 3 » » > COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 54.0 INCH PIPE IS 40.1 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 12.1 UPSTREAM NODE ELEVATION = 1232.00 DOWNSTREAM NODE ELEVATION = 1227.00 Ol" FLOWLENGTH(FEET) = 640.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 54.00 NUMBER OF PIPES = 1 """" PIPEFLOW THRU SUBAREA(CFS) = 152.75 TRAVEL TIME(MIN.) = .88 TC(MIN.) = 22.62 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 2008.21 TO NODE 140.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.640 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 74.07 EFFECTIVE AREA(ACRES) = 120.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 120.00 PEAK FLOW RATE(CFS) = 222.21 TC(MIN) = 22.62 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 140.10 TO NODE 140.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE« «< » »>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< as CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: TIME OF CONCENTRATION(MINUTES) = 22.62 a. RAINFALL INTENSITY (INCH. /HOUR) = 2.64 EFFECTIVE STREAM AREA(ACRES) = 120.00 TOTAL STREAM AREA(ACRES) = 120.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 222.21 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 485.59 27.63 2.341 .58 287.49 2 143.70 25.60 2.451 .58 77.00 3 222.21 22.62 2.640 .58 120.00 11 a q „ RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 3 STREAMS. **'" SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 810.81 484.49 2 823.46 463.36 3 826.99 423.37 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: �,. PEAK FLOW RATE(CFS) = 826.99 TIME(MINUTES) = 22.619 EFFECTIVE AREA(ACRES) = 423.37 TOTAL AREA(ACRES) = 496.70 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 140.10 TO NODE 140.30 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA ««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< DEPTH OF FLOW IN 87.0 INCH PIPE IS 68.4 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 23.8 UPSTREAM NODE ELEVATION = 1227.00 DOWNSTREAM NODE ELEVATION = 1200.00 FLOWLENGTH(FEET) = 1700.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 87.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 826.99 TRAVEL TIME(MIN.) = 1.19 TC(MIN.) = 23.81 ,.. **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 2009.00 TO NODE 140.30 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 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) = 50.00 SUBAREA RUNOFF(CFS) = 88.98 EFFECTIVE AREA(ACRES) = 473.37 AVERAGED Fm(INCH /HR) = .581 TOTAL AREA(ACRES) = 546.70 PEAK FLOW RATE(CFS) = 842.70 TC(MIN) = 23.81 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 140.30 TO NODE 140.30 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 23.81 -� 12 RAINFALL INTENSITY (INCH./HOUR) = 2.56 EFFECTIVE STREAM AREA(ACRES) = 473.37 TOTAL STREAM AREA(ACRES) = 546.70 PEAK FLOW RATE(CFS) AT CONFLUENCE = 842.70 END OF STUDY SUMMARY: TOTAL AREA(ACRES) = 546.70 EFFECTIVE AREA(ACRES) = 473.37 PEAK FLOW RATE(CFS) = 842.70 END OF RATIONAL METHOD ANALYSIS *Err oga. 414. ,tfts kae. .ate AIM Aft , AIM JAW oow +4,r 3.3 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE um (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. PLAN, W. FONTANA CHANNEL LAT. 8 * Q 100 YEAR + OVERFLOW FROM BASELINE S.D. * JN 3547 *************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FILE NAME: WFONT8RA.100 TIME/DATE OF STUDY: 5:53 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) = .970 100 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.470 COMPUTED RAINFALL INTENSITY DATA: STORM EVENT = 100.00 1 -HOUR INTENSITY(INCH /HOUR) = 1.4700 SLOPE OF INTENSITY DURATION CURVE = .6000 �.. **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 137.00 TO NODE ,137.01 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 = 1375.00 DOWNSTREAM ELEVATION = 1352.00 ELEVATION DIFFERENCE = 23.00 as TC = .412 *[( 1000.00 ** 3.00)/( 23.00)] ** .20 = 13.885 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.537 — SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA RUNOFF(CFS) = 19.95 TOTAL AREA(ACRES) = 7.50 PEAK FLOW RATE(CFS) = 19.95 1 tose **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** �., FLOW PROCESS FROM NODE 137.01 TO NODE 137.02 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL - CHANNEL FLOW««< » » >TRAVELTIME THRU SUBAREA ««< UPSTREAM NODE ELEVATION = 1352.00 DOWNSTREAM NODE ELEVATION = 1335.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1000.00 CHANNEL BASE(FEET) = 3.00 "Z" FACTOR = 2.000 MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 2.00 .� CHANNEL FLOW THRU SUBAREA(CFS) = 19.95 FLOW VELOCITY(FEET /SEC) = 4.68 FLOW DEPTH(FEET) = .89 TRAVEL TIME(MIN.) = 3.56 TC(MIN.) = 17.44 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 137.10 TO NODE 137.02 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.085 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 7.50 SUBAREA RUNOFF(CFS) = 16.89 EFFECTIVE AREA(ACRES) = 15.00 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 15.00 PEAK FLOW RATE(CFS) = 33.79 TC(MIN) = 17.44 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 137.02 TO NODE 132.12 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL - CHANNEL FLOW ««< » » >TRAVELTIME THRU SUBAREA« «< UPSTREAM NODE ELEVATION = 1335.00 DOWNSTREAM NODE ELEVATION = 1323.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 630.00 CHANNEL BASE(FEET) = 3.00 "Z" FACTOR = 2.000 MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 2.00 CHANNEL FLOW THRU SUBAREA(CFS) = 33.79 FLOW VELOCITY(FEET /SEC) = 5.61 FLOW DEPTH(FEET) = 1.14 *.. TRAVEL TIME(MIN.) = 1.87 TC(MIN.) = 19.31 ************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 137.20 TO NODE 132.12 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.902 SOIL CLASSIFICATION IS "A" �.. J 2 mw pew RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 5.00 SUBAREA RUNOFF(CFS) = 10.44 EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 41.76 TC(MIN) = 19.31 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 132.12 TO NODE 137.10 IS CODE = 6 » » >COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA « UPSTREAM ELEVATION = 1323.00 DOWNSTREAM ELEVATION = 1321.00 STREET LENGTH(FEET) = 320.00 CURB HEIGTH(INCHES) = 8. .�. STREET HALFWIDTH(FEET) = 20.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 12.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 41.76 ** *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) = .75 HALFSTREET FLOODWIDTH(FEET) = 20.00 Atie AVERAGE FLOW VELOCITY(FEET /SEC.) = 3.39 PRODUCT OF DEPTH &VELOCITY = 2.53 STREETFLOW TRAVELTIME(MIN) = 1.57 TC(MIN) = 20.89 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.769 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 TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 41.76 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .75 HALFSTREET FLOODWIDTH(FEET) = 20.00 FLOW VELOCITY(FEET /SEC.) = 3.39 DEPTH *VELOCITY = 2.53 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 137.21 TO NODE 137.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.769 �`" 3 man l SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 39.36 EFFECTIVE AREA(ACRES) = 40.00 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 40.00 PEAK FLOW RATE(CFS) = 78.72 TC(MIN) = 20.89 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 137.10 TO NODE 138.10 IS CODE = 3 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA « «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< DEPTH OF FLOW IN 45.0 INCH PIPE IS 31.5 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 9.5 UPSTREAM NODE ELEVATION = 1321.00 DOWNSTREAM NODE ELEVATION = 1317.00 FLOWLENGTH(FEET) = 630.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 45.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 78.72 TRAVEL TIME (MIN.) = 1.10 TC(MIN.) = 21.99 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 138.00 TO NODE 138.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « « < 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.685 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .5 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 75.69 EFFECTIVE AREA(ACRES) = 80.00 AVERAGED Fm(INCH/HR) = .582 TOTAL AREA(ACRES) = 80.00 PEAK FLOW RATE(CFS) = 151.38 TC(MIN) = 21.99 fie *************************************:** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 138.10 TO NODE 138.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE« «< so CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 21.99 RAINFALL INTENSITY (INCH. /HOUR) = 2.68 EFFECTIVE STREAM AREA(ACRES) = 80.00 TOTAL' STREAM AREA(ACRES) = 80.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 151.38 4 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 227.11 TO NODE 227.11 IS CODE = 7 » » >USER SPECIFIED HYDROLOGY INFORMATION AT NODE««< USER - SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 18.60 RAIN INTENSITY(INCH /HOUR) = 2.97 EFFECTIVE AREA(ACRES) = 50.70 TOTAL AREA(ACRES) = 50.70 PEAK FLOW RATE(CFS) = 84.60 AVERAGED LOSS RATE, Fm(IN /HR) = .582 ** *ERROR; SPECIFIED LOSS RATE, FM IS LESS THAN MINIMUM POSSIBLE VALUE OF 1.11(INCHES /HOUR) **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 227.11 TO NODE 138.10 IS CODE = 6 MAW » » >COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA« «< UPSTREAM ELEVATION = 1365.00 DOWNSTREAM ELEVATION = 1317.00 STREET LENGTH(FEET) = 2600.00 CURB HEIGTH(INCHES) = 8. owol STREET HALFWIDTH(FEET) = 20.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 12.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 84.60 ** *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) = .77 HALFSTREET FLOODWIDTH(FEET) = 20.00 �., AVERAGE FLOW VELOCITY(FEET /SEC.) = 6.46 PRODUCT OF DEPTH &VELOCITY = 4.95 STREETFLOW TRAVELTIME(MIN) = 6.71 TC(MIN) = 25.31 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.468 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) = 50.70 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 50.70 PEAK FLOW RATE(CFS) = 86.04 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .79 HALFSTREET FLOODWIDTH(FEET) = 20.00 FLOW VELOCITY(FEET /SEC.) = 6.20 DEPTH *VELOCITY = 4.87 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 5 auY FLOW PROCESS FROM NODE 138.10 TO NODE 138.10 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) = 25.31 RAINFALL INTENSITY (INCH. /HOUR) = 2.47 EFFECTIVE STREAM AREA(ACRES) = 50.70 TOTAL STREAM AREA(ACRES) = 50.70 PEAK FLOW RATE(CFS) AT CONFLUENCE = 86.04 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) areo 1 151.38 21.99 2.685 .58 80.00 2 86.04 25.31 2.468 .58 50.70 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 234.75 124.05 2 221.79 130.70 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 234.75 TIME(MINUTES) = 21.990 EFFECTIVE AREA(ACRES) = 124.05 TOTAL AREA(ACRES) = 130.70 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 138.10 TO NODE 139.11 IS CODE = 3 » » > COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< »»>USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< DEPTH OF FLOW IN 63.0 INCH PIPE IS 47.2 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 13.5 UPSTREAM NODE ELEVATION = 1317.00 "'"' DOWNSTREAM NODE ELEVATION = 1312.00 FLOWLENGTH(FEET) = 630.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 63.00 NUMBER OF PIPES = 1 *• PIPEFLOW THRU SUBAREA(CFS) = 234.75 TRAVEL TIME(MIN.) = .78 TC(MIN.) = 22.77 dig **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** �• FLOW PROCESS FROM NODE 139.20 TO NODE 139.11 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.629 6 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 73.70 "'"' EFFECTIVE AREA(ACRES) = 164.05 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 170.70 PEAK FLOW RATE(CFS) = 302.25 TC(MIN) = 22.77 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** .., FLOW PROCESS FROM NODE 139.11 TO NODE 139.11 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 22.77 RAINFALL INTENSITY (INCH. /HOUR) = 2.63 ^^ EFFECTIVE STREAM AREA(ACRES) = 164.05 TOTAL STREAM AREA(ACRES) = 170.70 PEAK FLOW RATE(CFS) AT CONFLUENCE = 302.25 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 227.10 TO NODE 227.10 IS CODE = 7 » » >USER SPECIFIED HYDROLOGY INFORMATION AT NODE««< USER- SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN) = 18.60 RAIN INTENSITY(INCH /HOUR) = 2.97 EFFECTIVE AREA(ACRES) = 43.60 TOTAL AREA(ACRES) = 43.60 PEAK FLOW RATE(CFS) = 99.90 AVERAGED LOSS RATE, Fm(IN /HR) = .582 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 227.10 TO NODE .139.11 IS CODE = 6 » » >COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA ««< UPSTREAM ELEVATION = 1362.00 DOWNSTREAM ELEVATION = 1312.00 STREET LENGTH(FEET) = 2600.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 20.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 12.00 �+* INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 99.90 ** *STREET FLOWING FULL * ** ft STREETFLOW MODEL RESULTS: NOTE: STREETFLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREETFLOW RESULTS ARE BASED ON THE ASSUMPTION 40 7 4y; moM THAT NEGLIBLE FLOW OCCURS OUTSIDE OF THE STREET CHANNEL. ..,. THAT IS, ALL FLOW ALONG THE PARKWAY, ETC., IS NEGLECTED. STREET FLOWDEPTH(FEET) = .81 .0 HALFSTREET FLOODWIDTH(FEET) = 20.00 AVERAGE FLOW VELOCITY(FEET /SEC.) = 6.82 PRODUCT OF DEPTH &VELOCITY = 5.49 STREETFLOW TRAVELTIME(MIN) = 6.36 TC(MIN) = 24.96 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.488 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) = 43.60 'M AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 43.60 PEAK FLOW RATE(CFS) = 99.90 END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .81 HALFSTREET FLOODWIDTH(FEET) = 20.00 FLOW VELOCITY(FEET /SEC.) = 6.82 DEPTH *VELOCITY = 5.49 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 139.11 TO NODE 139.11 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE« «< » » >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES « «< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 24.96 RAINFALL INTENSITY (INCH. /HOUR) = 2.49 EFFECTIVE STREAM AREA(ACRES) = 43.60 TOTAL STREAM AREA(ACRES) = 43.60 PEAK FLOW RATE(CFS) AT CONFLUENCE = 99.90 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 302.25 22.77 2.629 .58 164.05 2 99.90 24.96 2.488 .58 43.60 AO RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 400.13 203.83 2 381.35 207.65 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 400.13 TIME(MINUTES) = 22.769 ,0 EFFECTIVE AREA(ACRES) = 203.83 TOTAL•AREA(ACRES) = 214.30 .' **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 8 FLAW PROCESS FROM NODE 139.11 TO NODE 139.12 IS CODE = 3 » » > COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA ««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLAW) ««< DEPTH OF FLOW IN 66.0 INCH PIPE IS 52.8 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 19.6 UPSTREAM NODE ELEVATION = 1312.00 e"' DOWNSTREAM NODE ELEVATION = 1287.00 FLOWLENGTH(FEET) = 1600.00 MANNINGS N = .013 N. ESTIMATED PIPE DIAMETER(INCH) = 66.00 NUMBER OF PIPES = 1 ,... PIPEFLOW THRU SUBAREA(CFS) = 400.13 TRAVEL TIME(MIN.) = 1.36 TC(MIN.) = 24.13 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 509.00 TO NODE 139.12 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.539 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 21.00 SUBAREA RUNOFF(CFS) = 36.99 EFFECTIVE AREA(ACRES) = 224.83 AVERAGED Fm(INCH /HR) = .582 TOTAL AREA(ACRES) = 235.30 PEAK FLOW RATE(CFS) = 400.13 ... TC(MIN) = 24.13 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 139.12 TO NODE 132.10 IS CODE = 3 » » > COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 66.0 INCH PIPE IS 49.6 INCHES .,, PIPEFLOW VELOCITY(FEET /SEC.) = 20.9 UPSTREAM NODE ELEVATION = 1287.00 DOWNSTREAM NODE ELEVATION = 1267.00 FLOWLENGTH(FEET) = 1120.00 MANNINGS N = .013 ESTIMATED PIPE DIAMETER(INCH) = 66.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 400.13 TRAVEL TIME(MIN.) = .89 TC(MIN.) = 25.02 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 132.10 TO NODE 132.10 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) = 25.02 9 VANI RAINFALL INTENSITY (INCH. /HOUR) = 2.48 ... EFFECTIVE STREAM AREA(ACRES) = 224.83 TOTAL STREAM AREA(ACRES) = 235.30 PEAK FLOW RATE(CFS) AT CONFLUENCE = 400.13 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 400.13 25.02 2.484 .58 224.83 dW RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 1 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 400.13 224.83 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 400.13 TIME(MINUTES) = 25.021 EFFECTIVE AREA(ACRES) = 224.83 TOTAL AREA(ACRES) = 235.30 END OF STUDY SUMMARY: TOTAL AREA(ACRES) = 235.30 "i" EFFECTIVE AREA(ACRES) = 224.83 PEAK FLOW RATE(CFS) = 400.13 ..,, END OF RATIONAL METHOD ANALYSIS wed wele ewe 10 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 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. PLAN, W. FONTANA CHANNEL LAT. 8 * Q 100 YEAR + OVERFLOW FROM BASELINE AVE., SOUTH PORTION OF LINE T -8 * JN 3547 *************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FILE NAME: WFONT8RB.100 TIME/DATE OF STUDY: 2:48 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) = .970 100 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.470 COMPUTED RAINFALL INTENSITY DATA: STORM EVENT = 100.00 1 -HOUR INTENSITY(INCH /HOUR) = 1.4700 SLOPE OF INTENSITY DURATION CURVE = .6000 ,.. **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 132.10 TO NODE 132.10 IS CODE = 7 » » >USER SPECIFIED HYDROLOGY INFORMATION AT NODE ««< USER - SPECIFIED VALUES ARE AS FOLLOWS: • TC(MIN) = 25.01 RAIN INTENSITY(INCH /HOUR) = 2.49 EFFECTIVE AREA(ACRES) = 224.83 TOTAL AREA(ACRES) = 235.30 PEAK FLOW RATE(CFS) = 400.13 416 AVERAGED LOSS RATE, Fm(IN /HR) = .580 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 132.10 TO NODE 132.11 IS CODE = 4 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< » » >USING USER - SPECIFIED PIPESIZE ««< PIPEFLOW VELOCITY(FEET /SEC.) = 16.8 UPSTREAM NODE ELEVATION = 1267.00 �., 1 m DOWNSTREAM NODE ELEVATION = 1260.00 FLOWLENGTH(FEET) = 1000.00 MANNINGS N = .013 >r GIVEN PIPE DIAMETER(INCH) = 66.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 400.13 TRAVEL TIME(MIN.) = .99 TC(MIN.) = 26.00 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 509.10 TO NODE 132.11 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.428 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 27.00 SUBAREA RUNOFF(CFS) = 44.86 EFFECTIVE AREA(ACRES) = 251.83 AVERAGED Fm(INCH /HR) = .580 TOTAL AREA(ACRES) = 262.30 PEAK FLOW RATE(CFS) = 418.77 TC(MIN) = 26.00 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 132.11 TO NODE 600.01 IS CODE = 4 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< » » >USING USER - SPECIFIED PIPESIZE « «< PIPEFLOW VELOCITY(FEET /SEC.) = 16.1 UPSTREAM NODE ELEVATION = 1260.00 DOWNSTREAM NODE ELEVATION = 1258.00 FLOWLENGTH(FEET) = 300.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 69.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 418.77 TRAVEL TIME(MIN.) = .31 TC(MIN.) = 26.31 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 600.01 TO NODE 600.02 IS CODE = 4 » »>COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA« «< » »>USING USER - SPECIFIED PIPESIZE « «< DEPTH OF FLOW IN 69.0 INCH PIPE IS 51.6 INCHES PIPEFLOW VELOCITY(FEET /SEC.) = 20.1 UPSTREAM NODE ELEVATION = 1258.00 DOWNSTREAM NODE ELEVATION = 1240.00 FLOWLENGTH(FEET) = 1150.00 MANNINGS N = .013 GIVEN PIPE DIAMETER(INCH) = 69.00 NUMBER OF PIPES = 1 *• PIPEFLOW THRU SUBAREA(CFS) = 418.77 TRAVEL TIME(MIN.) = .95 TC(MIN.) = 27.26 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 2 . 03/26/03 15:05 FAX 9094849084 HALL & FOREMAN _ 0002/002 FLOW PROCESS FROM NODE 600.02 TO NODE 600.02 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « « <___ CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINTJTES) = 27.26 RAINFALL INTENSITY (INCH. /HOUR) = 2.36 EFFECTIVE STREAM AREA(ACRES) = 251.83 TOTAL STREAM AREA(ACRES) = 262.30 PEAK FLOW RATE(CFS) AT CONFLUENCE = 418.77 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 600.50 TO NODE 600.51 IS CODE = 2 » » >RATIONAL METHOD INITIAL SUBAREA ANALYSIS « «< ===.======- ___= DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 5 -7 DWELLINGS /ACRE TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW - LENGTH = 900.00 UPSTREAM ELEVATION = 1267.00 DOWNSTREAM ELEVATION = 1252.00 ELEVATION DIFFERENCE = 15.00 TC = .389 *(( 900.00 ** 3.00)/( 15.00)] ** .20 = 13.405 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.613 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4 SUBAREA RUNOFF(CFS) = 26.74 TOTAL AREA(ACRES) = 9.50 PEAK FLOW RATE(CFS) = 26.74 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 600.51 TO NODE 600.61 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL - CHANNEL FLOW « «< » » >TRAVELTIME THRU SUBAREA « «< UPSTREAM NODE ELEVATION = 1252.00 DOWNSTREAM NODE ELEVATION = 1242.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 550.00 CHANNEL BASE(FEET) = 40.00 "Z" FACTOR = 99.990 MANNINGS FACTOR = .030 MAXIMUM DEPTH(FEET) = 1.00 CHANNEL FLOW THRU SUBAREA(CFS) = 26.74 FLOW VELOCITY(FEET /SEC) = 2.18 FLOW DEPTH(FEET) = .20 TRAVEL TIME(MIN.) = 4.20 TC(MIN.) = 17.60 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * *f* FLOW PROCESS FROM NODE 600.60 TO NODE 600.61 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.068 SOIL CLASSIFICATION IS "A" 3 RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4 SUBAREA AREA(ACRES) = 9.50 SUBAREA RUNOFF(CFS) = 22.08 d" EFFECTIVE AREA(ACRES) = 19.00 AVERAGED Fm(INCH /HR) = .485 TOTAL AREA(ACRES) = 19.00 PEAK FLOW RATE(CFS) = 44.17 TC(MIN) = 17.60 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 600.61 TO NODE 600.02 IS CODE = 6 » » >COMPUTE STREETFLOW TRAVELTIME THRU SUBAREA « «< „ UPSTREAM ELEVATION = 1242.00 DOWNSTREAM ELEVATION = 1240.00 STREET LENGTH(FEET) = 700.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 18.00 ,.. DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK = 10.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 •-• OUTSIDE STREET CROSSFALL(DECIMAL) = .040 A°° SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 "°' * *TRAVELTIME COMPUTED USING MEAN FLOW(CFS) = 44.17 ** *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) = .82 HALFSTREET FLOODWIDTH(FEET) = 18.00 �• AVERAGE FLOW VELOCITY(FEET /SEC.) = 2.88 PRODUCT OF DEPTH &VELOCITY = 2.37 STREETFLOW TRAVELTIME(MIN) = 4.05 TC(MIN) = 21.65 .00 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.709 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4 SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 did EFFECTIVE AREA(ACRES) = 19.00 AVERAGED Fm(INCH/HR) = .485 TOTAL AREA(ACRES) = 19.00 PEAK FLOW RATE(CFS) = 44.17 deo END OF SUBAREA STREETFLOW HYDRAULICS: DEPTH(FEET) = .82 HALFSTREET FLOODWIDTH(FEET) = 18.00 ..,, FLOW VELOCITY(FEET /SEC.) = 2.88 DEPTH *VELOCITY = 2.37 ar **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 600.30 TO NODE 600.02 IS CODE = 8 deo » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.709 ,,� 4 left OW SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4 SUBAREA AREA(ACRES) = 18.00 SUBAREA RUNOFF(CFS) = 36.04 EFFECTIVE AREA(ACRES) = 37.00 AVERAGED Fm(INCH/HR) = .485 TOTAL AREA(ACRES) = 37.00 PEAK FLOW RATE(CFS) = 74.07 TC(MIN) = 21.65 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 600.02 TO NODE 600.02 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< » » >AND 'COMPUTE VARIOUS CONFLUENCED STREAM VALUES« «< CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MINUTES) = 21.65 RAINFALL INTENSITY (INCH. /HOUR) = 2.71 EFFECTIVE STREAM AREA(ACRES) = 37.00 �., TOTAL STREAM AREA(ACRES) = 37.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 74.07 CONFLUENCE INFORMATION: STREAM PEAK FLOW TIME INTENSITY FM EFFECTIVE NUMBER RATE(CFS) (MIN.) (INCH /HOUR) (IN /HR) AREA(ACRES) 1 418.77 27.26 2.360 .58 251.83 2 74.07 21.65 2.709 .48 37.00 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. SUMMARY RESULTS: STREAM CONFLUENCE EFFECTIVE NUMBER Q(CFS) AREA(ACRES) 1 481.20 288.83 .60 2 472.06 237.03 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 481.20 TIME(MINUTES) = 27.263 EFFECTIVE AREA(ACRES) = 288.83 TOTAL AREA(ACRES) = 299.30 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 600.02 TO NODE 600.03 IS CODE = 4 » »> COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< » » >USING USER - SPECIFIED PIPESIZE« PIPEFLOW VELOCITY(FEET /SEC.) = 18.5 UPSTREAM NODE ELEVATION = 1240.00 'w DOWNSTREAM NODE ELEVATION = 1215.00 FLOWLENGTH(FEET) = 1500.00 MANNINGS N = .013 "" GIVEN PIPE DIAMETER(INCH) = 69.00 NUMBER OF PIPES = 1 5 PIPEFLOW THRU SUBAREA(CFS) = 481.20 TRAVEL TIME(MIN.) = 1.35 TC(MIN.) = 28.•61 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 600.40 TO NODE 600.03 IS CODE = 8 0. » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = • 2.292 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 48.00 SUBAREA RUNOFF(CFS) = 73.89 "" EFFECTIVE AREA(ACRES) = 336.83 AVERAGED Fm(INCH/HR) = .570 "" TOTAL AREA(ACRES) = 347.30 PEAK FLOW RATE(CFS) = 522.13 TC(MIN) = 28.61 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 600.03 TO NODE 600.04 IS CODE = 4 » » >COMPUTE PIPEFLOW TRAVELTIME THRU SUBAREA««< » » >USING USER - SPECIFIED PIPESIZE « « < PIPEFLOW VELOCITY(FEET /SEC.) = 20.1 UPSTREAM NODE ELEVATION = 1215.00 DOWNSTREAM NODE ELEVATION = 1191.00 FLOWLENGTH(FEET) = 1750.00 MANNINGS N = .013 ." GIVEN PIPE DIAMETER(INCH) = 69.00 NUMBER OF PIPES = 1 PIPEFLOW THRU SUBAREA(CFS) = 522.13 TRAVEL TIME(MIN.) = 1.45 TC(MIN.) = 30.06 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 600.50 TO NODE 600.04 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) T 2.225 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .5 SUBAREA AREA(ACRES) = 56.00 SUBAREA RUNOFF(CFS) = 82.82 ti EFFECTIVE AREA(ACRES) = 392.83 AVERAGED Fm(INCH /HR) = .572 TOTAL AREA(ACRES) = 403.30 PEAK FLOW RATE(CFS) = 584.63 TC(MIN) = 30.06 ***************************************** * * * !lc * * * * * * * * * * * * * * * * * * * * * * * * ** asi FLOW PROCESS FROM NODE 600.04 TO NODE 600.04 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< • 6 mov vim age CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MINUTES) = 30.06 RAINFALL INTENSITY (INCH./HOUR) = 2.23 EFFECTIVE STREAM AREA(ACRES) = 392.83 TOTAL STREAM AREA(ACRES) = 403.30 PEAK FLOW RATE(CFS) AT CONFLUENCE = 584.63 46, END OF STUDY SUMMARY: TOTAL AREA(ACRES) = 403.30 EFFECTIVE AREA(ACRES) = 392.83 PEAK FLOW RATE(CFS) = 584.63 END OF RATIONAL METHOD ANALYSIS 0. 00 0. 641/0 .440M 1ms OW 7 .0