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HomeMy WebLinkAboutMaster Storm Drain Hydrology Vol IV m ate. CIVIL ENGINEERING • LAND PLANNING • LAND SURVEYING ow •r rw MASTER STORM DRAIN HYDROLOGY CALCS. +. FOR THE CITY OF FONTANA M. VOL. IV BY HALL & FOREMAN, INC. 3170 REDHILL AVE. COSTA MESA, CA 92626 (714)641 -8777 let ..� MAY, 1992 at JOB #4042 HYDRCALC !�c w Wit at aw• all rr wr- 13821 NEWPORT AVENUE • SUITE 200 • TUSTIN, CALIFORNIA 92680-7803 • (714) 544.3404 • FAX (714) 544 -3155 er. TUSTIN • ONTARIO MASTER STORM DRAINAGE PLAN REFERENCE INDEX (ALL VOLUMES) Volume I - Engineer's Report Summary Report Detention Basin Policy and Design Criteria Cost Estimates Exhibit Map Storm Drain Profiles Volume IA - Hawker - Crawford Channel and Rich Basin Drainage Analysis Discussion Calculations Recommendations Cost Estimates Volume II A, B, C and D Systems Hydrology Calculations Volume III Lines T -1 to T -8 and West Fontana Channel (East of Hemlock) Hydrology Calculations Street Capacity Charts Volume V Lines DZ -4 thru DZ -16, Lines MI thru M8 and the I -10 Channel System Hydrology Calculations Lines SS2 thru SS11, Lines T1C through T4C, and West Fontana Channel Hydrology Calculations Street Capacity Calculations INDEX r. Volume I 1. Report 2. Cost Estimates 3. Plan and Profile Sheets Volume IA r 1. Hawker - Crawford Channel 2. Rich Basin Volume II 1. Line "A" a. Hawker 1 b. Hawker 2 c. Crawford 2. Line "B" a. Line "B-3" b. Line 'B -5" 3. Line "C" 4. Line "D" a. Line "DA" Volume III 1. Lines T -1 to T -8 2. West Fontana Channel (East of Hemlock) 3. Street Capacity Charts Volume IV 1. Lines DZ -4 to DZ -7 2. Lines DZ -8 to DZ -10 3. Lines DZ -11 to DZ -16 4. Lines M1 to M8 5. I -10 Channel w ar 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 4.1 5 . West Fontana Channel (West of Hemlock) 6. Street Capacity Calculations ims ors who wow as two wn �wr r Q. rw **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE (Reference: 1986 SAN BERNARDINO CO. HYDROLOGY CRITERION) (c) Copyright 1983 -88 Advanced Engineering Software (aes) Ver. 5.2A Release Date: 7/08/88 Serial # 2929 Analysis prepared by: HALL & FOREMAN, INC. ,err, * * * * * * * * * * * * * * * * * * * * * * * * ** DESCRIPTION OF STUDY * * * * * * * * * * * * * * * * * * * * ** * S. FONTANA MASTER S.D. PLAN, LINES DZ -4, DZ -5, DZ -6, DZ -7 * 25 YEAR STORM, DESIGN Q FOR DZ -4, DZ -6, DZ -7, NOT DESIGN Q FOR DZ -5 * JN 4042 *************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FILE NAME: SFONTD4.025 TIME/DATE OF STUDY: 0:12 1/ 1/1980 USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: -- *TIME -OF- CONCENTRATION MODEL*- - m 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) = .910 100 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.350 COMPUTED RAINFALL INTENSITY DATA: STORM EVENT = 25.00 1 -HOUR INTENSITY(INCH /HOUR) = 1.0639 SLOPE OF INTENSITY DURATION CURVE = .6000 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 545.00 TO NODE 545.10 IS CODE = 2 rr » »> RATIONAL METHOD INITIAL SUBAREA ANALYSIS ««< DEVELOPMENT IS AGRICULTURE TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW - LENGTH(FEET) = 950.00 UPSTREAM ELEVATION(FEET) = 1063.00 wr DOWNSTREAM ELEVATION(FEET) = 1054.00 ELEVATION DIFFERENCE(FEET) = 9.00 a.. TC(MIN.) = .525 *[( 950.00 ** 3.00)/( 9.00)] ** .20 = 20.699 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.015 SOIL CLASSIFICATION IS "B" AGRICULTURE "ROWCROPS" SUBAREA LOSS RATE, Fm(INCH /HR) = .4100 SUBAREA RUNOFF(CFS) = 14.44 '"" 1 ww TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 14.44 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** •i" FLOW PROCESS FROM NODE 545.10 TO NODE 546.10 IS CODE = 6 » » >COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA« «< UPSTREAM ELEVATION(FEET) = 1054.00 DOWNSTREAM ELEVATION(FEET) = 1050 w. STREET LENGTH(FEET) = 650.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 18.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK(FEET) = 10.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 err * *TRAVEL TIME COMPUTED USING MEAN FLOW(CFS) = 14.44 STREET FLOW MODEL RESULTS: NOTE: STREET FLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREET FLOW 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 FLOW DEPTH(FEET) = .55 HALFSTREET FLOOD WIDTH(FEET) = 14.56 ,w AVERAGE FLOW VELOCITY(FEET /SEC.) = 2.53 PRODUCT OF DEPTH &VELOCITY = 1.38 * STREET FLOW TRAVEL TIME(MIN.) = 4.28 TC(MIN.) = 24.98 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.800 .,. SOIL CLASSIFICATION IS "B" AGRICULTURE "ROWCROPS" SUBAREA LOSS RATE, Fm(INCH /HR) = .4100 SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 EFFECTIVE AREA(ACRES) = 10.00 AVERAGED Fm(INCH/HR) = .41 TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 14.44 END OF SUBAREA STREET FLOW HYDRAULICS: DEPTH(FEET) = .55 HALFSTREET FLOOD WIDTH(FEET) = 14.56 FLOW VELOCITY(FEET /SEC.) = 2.53 DEPTH *VELOCITY = 1.38 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 546.00 TO NODE 546.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.800 SOIL CLASSIFICATION IS "B" AGRICULTURE " ROWCROPS" SUBAREA LOSS RATE, Fm(INCH/HR) = .4100 SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 12.51 EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH/HR) = .410 TOTAL AREA(ACRES) = 20.00 ow PEAK FLOW RATE(CFS) = 25.01 TC(MIN) = 24.98 mit 2 ea ame ism **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 546.10 TO NODE 547.10 IS CODE = 6 gar » » >COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA« «< UPSTREAM ELEVATION(FEET) = 1050.00 DOWNSTREAM ELEVATION(FEET) = 1047 STREET LENGTH(FEET) = 650.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 26.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK(FEET) = 18.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVEL TIME COMPUTED USING MEAN FLOW(CFS) = 25.01 STREET FLOW MODEL RESULTS: NOTE: STREET FLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREET FLOW 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 FLOW DEPTH(FEET) = .68 HALFSTREET FLOOD WIDTH(FEET) = 20.09 AVERAGE FLOW VELOCITY(FEET /SEC.) = 2.59 PRODUCT OF DEPTH &VELOCITY = 1.76 STREET FLOW TRAVEL TIME(MIN.) = 4.18 TC(MIN.) = 29.16 ear 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.640 SOIL CLASSIFICATION IS "A" �,. AGRICULTURE "ROWCROPS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5900 SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH/HR) = .41 TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 25.01 END OF SUBAREA STREET FLOW HYDRAULICS: DEPTH(FEET) = .68 HALFSTREET FLOOD WIDTH(FEET) = 20.09 FLOW VELOCITY(FEET /SEC.) = 2.59 DEPTH *VELOCITY = 1.76 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 547.00 TO NODE 547.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.640 SOIL CLASSIFICATION IS "B" AGRICULTURE "ROWCROPS" SUBAREA LOSS RATE, Fm(INCH /HR) = .4100 rlr SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 22.14 EFFECTIVE AREA(ACRES) = 40.00 AVERAGED Fm(INCH /HR) = .410 TOTAL AREA(ACRES) = 40.00 PEAK FLOW RATE(CFS) = 44.28 TC(MIN) = 29.16 3 rr **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 547.10 TO NODE 548.10 IS CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA ««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « « < DEPTH OF FLOW IN 36.0 INCH PIPE IS 24.5 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 8.6 UPSTREAM NODE ELEVATION(FEET) = 1047.00 DOWNSTREAM NODE ELEVATION(FEET) = 1042.00 FLOW LENGTH(FEET) = 700.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES = 1 PIPE- FLOW(CFS) = 44.28 ON TRAVEL TIME(MIN.) = 1.35 TC(MIN.) = 30.51 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 548.00 TO NODE 548.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.596 SOIL CLASSIFICATION IS "B" AGRICULTURE "ROWCROPS" SUBAREA LOSS RATE, Fm(INCH /HR) = .4100 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 21.35 EFFECTIVE AREA(ACRES) = 60.00 AVERAGED Fm(INCH /HR) = .410 " TOTAL AREA(ACRES) = 60.00 PEAK FLOW RATE(CFS) = 64.05 TC(MIN) = 30.51 few �., **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** rr FLOW PROCESS FROM NODE 548.10 TO NODE 549.10 IS CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA« «< »» >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) ««< DEPTH OF FLOW IN 42.0 INCH PIPE IS 31.9 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 8.2 UPSTREAM NODE ELEVATION(FEET) = 1042.00 DOWNSTREAM NODE ELEVATION(FEET) = 1038.50 FLOW LENGTH(FEET) = 700.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 42.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 64.05 mo TRAVEL TIME(MIN.) = 1.43 TC(MIN.) = 31.94 +rr **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** NO FLOW PROCESS FROM NODE 549.00 TO NODE 549.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.553 4 err ANN ANN SOIL CLASSIFICATION IS "B" AGRICULTURE "ROWCROPS" SUBAREA LOSS RATE, Fm(INCH /HR) = .4100 SUBAREA AREA(ACRES) = 23.00 SUBAREA RUNOFF(CFS) = 23.66 EFFECTIVE AREA(ACRES) = 83.00 AVERAGED Fm(INCH/HR) = .410 TOTAL AREA(ACRES) = 83.00 PEAK FLOW RATE(CFS) = 85.38 TC(MIN) = 31.94 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 549.10 TO NODE 549.11 IS CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< •• DEPTH OF FLOW IN 45.0 INCH PIPE IS 32.3 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 10.1 UPSTREAM NODE ELEVATION(FEET) = 1038.50 DOWNSTREAM NODE ELEVATION(FEET) = 1029.00 FLOW LENGTH(FEET) = 1350.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 45.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 85.38 TRAVEL TIME(MIN.) = 2.23 TC(MIN.) = 34.17 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 549.01 TO NODE 549.11 IS CODE = 8 ANN » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.491 SOIL CLASSIFICATION IS "B" AGRICULTURE " ROWCROPS" SUBAREA LOSS RATE, Fm(INCH/HR) = .4100 SUBAREA AREA(ACRES) = 83.00 SUBAREA RUNOFF(CFS) = 80.77 EFFECTIVE AREA(ACRES) = 166.00 AVERAGED Fm(INCH/HR) = .410 TOTAL AREA(ACRES) = 166.00 PEAK FLOW RATE(CFS) = 161.55 TC(MIN) = 34.17 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** �., FLOW PROCESS FROM NODE 530.00 TO NODE 530.10 IS CODE = 2 »»>RATIONAL METHOD INITIAL SUBAREA ANALYSIS « «< DEVELOPMENT IS AGRICULTURE TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW - LENGTH(FEET) = 900.00 UPSTREAM ELEVATION(FEET) = 1109.00 DOWNSTREAM ELEVATION(FEET) = 1095.00 ELEVATION DIFFERENCE(FEET) = 14.00 TC(MIN.) = .525 *[( 900.00 ** 3.00)/( 14.00)] ** .20 = 18.343 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.166 5 SOIL CLASSIFICATION IS "A" AGRICULTURE "ROWCROPS" SUBAREA LOSS RATE, Fm(INCH /HR) = .5900 SUBAREA RUNOFF(CFS) = 14.19 TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 14.19 rr *m **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 530.10 TO NODE 531.10 IS CODE = 6 » » >COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA ««< "" UPSTREAM ELEVATION(FEET) = 1095.00 DOWNSTREAM ELEVATION(FEET) = 1092 STREET LENGTH(FEET) = 700.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 26.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK(FEET) = 18.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVEL TIME COMPUTED USING MEAN FLOW(CFS) = 14.19 STREET FLOW MODEL RESULTS: NOTE: STREET FLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREET FLOW 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 FLOW DEPTH(FEET) = .57 HALFSTREET FLOOD WIDTH(FEET) = 15.59 AVERAGE FLOW VELOCITY(FEET /SEC.) = 2.24 PRODUCT OF DEPTH &VELOCITY = 1.27 ,.� STREET FLOW TRAVEL TIME(MIN.) = 5.21 TC(MIN.) = 23.55 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.864 SOIL CLASSIFICATION IS "A" AGRICULTURE "ROWCROPS" SUBAREA LOSS RATE, Fm(INCH /HR) = .5900 SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 EFFECTIVE AREA(ACRES) = 10.00 AVERAGED Fm(INCH/HR) = .59 TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 14.19 END OF SUBAREA STREET FLOW HYDRAULICS: DEPTH(FEET) = .57 HALFSTREET FLOOD WIDTH(FEET) = 15.59 FLOW VELOCITY(FEET /SEC.) = 2.24 DEPTH *VELOCITY = 1.27 min **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 531.00 TO NODE 531.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< Mr 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.864 SOIL CLASSIFICATION IS "A" AGRICULTURE "ROWCROPS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5900 SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 11.47 EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH/HR) = .590 arr 6 IM TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 22.94 TC(MIN) = 23.55 r **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 531.10 TO NODE 532.10 IS CODE = 6 » » >COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA ««< MI UPSTREAM ELEVATION(FEET) = 1092.00 DOWNSTREAM ELEVATION(FEET) = 1082 STREET LENGTH(FEET) = 700.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 26.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK(FEET) = 18.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 •.. OUTSIDE STREET CROSSFALL(DECIMAL) = .040 ea SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVEL TIME COMPUTED USING MEAN FLOW(CFS) = 22.94 STREET FLOW MODEL RESULTS: STREET FLOW DEPTH(FEET) = .57 HALFSTREET FLOOD WIDTH(FEET) = 14.47 AVERAGE FLOW VELOCITY(FEET /SEC.) = 3.98 PRODUCT OF DEPTH &VELOCITY = 2.26 STREET FLOW TRAVEL TIME(MIN.) = 2.93 TC(MIN.) = 26.49 " 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.738 SOIL CLASSIFICATION IS "A" AGRICULTURE "ROWCROPS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5900 SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH /HR) = .59 TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 22.94 END OF SUBAREA STREET FLOW HYDRAULICS: DEPTH(FEET) = .57 HALFSTREET FLOOD WIDTH(FEET) = 14.47 FLOW VELOCITY(FEET /SEC.) = 3.98 DEPTH *VELOCITY = 2.26 sum UM **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 532.00 TO NODE 532.10 IS CODE = 8 » OF SUBAREA TO MAINLINE PEAK FLOW« « < 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.738 - SOIL CLASSIFICATION IS "A" AGRICULTURE "ROWCROPS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5900 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 20.66 ✓ EFFECTIVE AREA(ACRES) = 40.00 AVERAGED Fm(INCH/HR) = .590 TOTAL AREA(ACRES) = 40.00 PEAK FLOW RATE(CFS) = 41.32 TC(MIN) = 26.49 rr ®® 7 rr **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 532.10 TO NODE 533.10 IS CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA ««< +i• » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< DEPTH OF FLOW IN 33.0 INCH PIPE IS 22.1 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 9.8 UPSTREAM NODE ELEVATION(FEET) = 1082.30 DOWNSTREAM NODE ELEVATION(FEET) = 1072.00 FLOW LENGTH(FEET) = 1000.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 33.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 41.32 TRAVEL TIME(MIN.) = 1.71 TC(MIN.) = 28.19 ,.. **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 533.00 TO NODE 533.10 IS CODE = 8 Nit » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.674 SOIL CLASSIFICATION IS "B" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4 SUBAREA AREA(ACRES) = 31.00 SUBAREA RUNOFF(CFS) = 34.14 EFFECTIVE AREA(ACRES) = 71.00 AVERAGED Fm(INCH /HR) = .529 TOTAL AREA(ACRES) = 71.00 PEAK FLOW RATE(CFS) = 73.16 TC(MIN) = 28.19 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** -- FLOW PROCESS FROM NODE 533.10 TO NODE 534.10 IS CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< »» >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) ««< O.. DEPTH OF FLOW IN 39.0 INCH PIPE IS 31.5 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 10.2 UPSTREAM NODE ELEVATION(FEET) = 1072.00 DOWNSTREAM NODE ELEVATION(FEET) = 1058.00 FLOW LENGTH(FEET) = 1650.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 39.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 73.16 TRAVEL TIME(MIN.) = 2.70 TC(MIN.) = 30.89 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 534.00 TO NODE 534.10 IS CODE = 8 rrr » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.584 SOIL CLASSIFICATION IS "B" NW "" 8 ww RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4 " SUBAREA AREA(ACRES) = 51.00 SUBAREA RUNOFF(CFS) = 52.07 EFFECTIVE AREA(ACRES) = 122.00 AVERAGED Fm(INCH /HR) = .496 TOTAL AREA(ACRES) = 122.00 PEAK FLOW RATE(CFS) = 119.52 TC(MIN) = 30.89 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 534.10 TO NODE 539.10 IS CODE = 3 err » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA ««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) ««< DEPTH OF FLOW IN 51.0 INCH PIPE IS 37.5 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 10.7 UPSTREAM NODE ELEVATION(FEET) = 1058.00 DOWNSTREAM NODE ELEVATION(FEET) = 1049.00 FLOW LENGTH(FEET) = 1350.00 MANNING'S N = .013 g. ESTIMATED PIPE DIAMETER(INCH) = 51.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 119.52 TRAVEL TIME(MIN.) = 2.10 TC(MIN.) = 32.99 wr **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 539.10 TO NODE 539.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< TOTAL NUMBER OF STREAMS = 2 CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MIN.) = 32.99 •-• RAINFALL INTENSITY(INCH /HR) = 1.52 AVERAGED Fm(INCH/HR) = .50 EFFECTIVE STREAM AREA(ACRES) = 122.00 TOTAL STREAM AREA(ACRES) = 122.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 119.52 em �. **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 535.00 TO NODE 535.10 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(FEET) = 900.00 UPSTREAM ELEVATION(FEET) = 1100.00 DOWNSTREAM ELEVATION(FEET) = 1091.00 ELEVATION DIFFERENCE(FEET) = 9.00 TC(MIN.) = .389 *[( 900.00 ** 3.00)/( 9.00)] ** .20 = 14.847 ° 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.459 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4 ,rr "" 9 rir ded NO SUBAREA RUNOFF(CFS) = 17.77 TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 17.77 se au **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 535.10 TO NODE 536.10 IS CODE = 6 se » » >COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA ««< UPSTREAM ELEVATION(FEET) = 1091.00 DOWNSTREAM ELEVATION(FEET) = 1089 STREET LENGTH(FEET) = 650.00 CURB HEIGTH(INCHES) = 6. aw STREET HALFWIDTH(FEET) = 26.00 es DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK(FEET) = 18.00 r., INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVEL TIME COMPUTED USING MEAN FLOW(CFS) = 17.77 STREET FLOW MODEL RESULTS: w. NOTE: STREET FLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREET FLOW 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. se STREET FLOW DEPTH(FEET) = .64 s „ HALFSTREET FLOOD WIDTH(FEET) = 18.97 AVERAGE FLOW VELOCITY(FEET /SEC.) = 2.05 PRODUCT OF DEPTH &VELOCITY = 1.30 STREET FLOW TRAVEL TIME(MIN.) = 5.28 TC(MIN.) = 20.13 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.049 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) = 10.00 AVERAGED Fm(INCH /HR) = .49 TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 17.77 END OF SUBAREA STREET FLOW HYDRAULICS: DEPTH(FEET) = .64 HALFSTREET FLOOD WIDTH(FEET) = 18.97 FLOW VELOCITY(FEET /SEC.) = 2.05 DEPTH *VELOCITY = 1.30 es r�r **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 536.00 TO NODE 536.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.049 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4 A. SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 14.07 EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH /HR) = .485 TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 28.14 10 err rw TC(MIN) = 20.13 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 536.10 TO NODE 537.10 IS CODE = 6 » » >COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA ««< UPSTREAM ELEVATION(FEET) = 1089.00 DOWNSTREAM ELEVATION(FEET) = 1081 STREET LENGTH(FEET) = 650.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 26.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK(FEET) = 18.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 rir OUTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVEL TIME COMPUTED USING MEAN FLOW(CFS) = 28.14 STREET FLOW MODEL RESULTS: STREET FLOW DEPTH(FEET) = .62 HALFSTREET FLOOD WIDTH(FEET) = 17.28 AVERAGE FLOW VELOCITY(FEET /SEC.) = 3.73 PRODUCT OF DEPTH &VELOCITY = 2.33 STREET FLOW TRAVEL TIME(MIN.) = 2.91 TC(MIN.) = 23.04 ... 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.889 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) = 20.00 AVERAGED Fm(INCH /HR) = .49 TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 28.14 END OF SUBAREA STREET FLOW HYDRAULICS: DEPTH(FEET) = .62 HALFSTREET FLOOD WIDTH(FEET) = 17.28 w. FLOW VELOCITY(FEET /SEC.) = 3.73 DEPTH *VELOCITY = 2.33 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** r. FLOW PROCESS FROM NODE 537.00 TO NODE 537.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.889 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4 am SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 25.28 EFFECTIVE AREA(ACRES) = 40.00 AVERAGED Fm(INCH /HR) = .485 TOTAL AREA(ACRES) = 40.00 PEAK FLOW RATE(CFS) = 50.56 TC(MIN) = 23.04 NW **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 537.10 TO NODE 538.10 IS CODE = 3 11 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA« » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) ««< NO DEPTH OF FLOW IN 33.0 INCH PIPE IS 23.2 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 11.3 .w UPSTREAM NODE ELEVATION(FEET) = 1081.50 .ir DOWNSTREAM NODE ELEVATION(FEET) = 1068.00 FLOW LENGTH(FEET) = 1000.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 33.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 50.56 TRAVEL TIME(MIN.) = 1.47 TC(MIN.) = 24.51 +rr **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 538.00 TO NODE 538.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< ,,. 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.820 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4 SUBAREA AREA(ACRES) = 31.00 SUBAREA RUNOFF(CFS) = 37.26 EFFECTIVE AREA(ACRES) = 71.00 wr AVERAGED Fm(INCH/HR) = .485 TOTAL AREA(ACRES) = 71.00 PEAK FLOW RATE(CFS) = 85.33 NO TC(MIN) = 24.51 moN **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 538.10 TO NODE 539.10 IS CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA««< »» >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< ... DEPTH OF FLOW IN 39.0 INCH PIPE IS 31.6 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 11.9 UPSTREAM NODE ELEVATION(FEET) = 1068.00 DOWNSTREAM NODE ELEVATION(FEET) = 1049.00 FLOW LENGTH(FEET) = 1650.00 MANNING'S N = .013 wr ESTIMATED PIPE DIAMETER(INCH) = 39.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 85.33 TRAVEL TIME(MIN.) = 2.32 TC(MIN.) = 26.83 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 539.00 TO NODE 539.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< or 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.724 SOIL CLASSIFICATION IS "B" AGRICULTURE "ROWCROPS" SUBAREA LOSS RATE, Fm(INCH/HR) = .4100 SUBAREA AREA(ACRES) = 51.00 SUBAREA RUNOFF(CFS) = 60.33 12 rrr new EFFECTIVE AREA(ACRES) = 122.00 AVERAGED Fm(INCH/HR) = .454 TOTAL AREA(ACRES) = 122.00 PEAK FLOW RATE(CFS) = 139.52 TC(MIN) = 26.83 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 539.10 TO NODE 539.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< ad » » >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< TOTAL NUMBER OF STREAMS = 2 rrr CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MIN.) = 26.83 RAINFALL INTENSITY(INCH /HR) = 1.72 AVERAGED Fm(INCH/HR) = .45 EFFECTIVE STREAM AREA(ACRES) = 122.00 TOTAL STREAM AREA(ACRES) = 122.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 139.52 am RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. ** PEAK FLOW RATE TABLE ** Q(CFS) Tc(MIN.) Fm(INCH /HR) Ae(ACRES) 1 236.94 32.99 .475 244.00 2 255.75 26.83 .473 221.21 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: • PEAK FLOW RATE(CFS) = 255.75 Tc(MIN.) = 26.830 EFFECTIVE AREA(ACRES) = 221.21 AVERAGED Fm(INCH/HR) = .47 TOTAL AREA(ACRES) = 244.00 ,,. **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 539.10 TO NODE 544.10 IS CODE = 3 » »> COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 78.0 INCH PIPE IS 58.9 INCHES �• PIPE -FLOW VELOCITY(FEET /SEC.) = 9.5 UPSTREAM NODE ELEVATION(FEET) = 1049.00 am DOWNSTREAM NODE ELEVATION(FEET) = 1045.00 FLOW LENGTH(FEET) = 1350.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 78.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 255.75 TRAVEL TIME(MIN.) = 2.37 TC(MIN.) = 29.20 de **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ,,. FLOW PROCESS FROM NODE 544.00 TO NODE 544.10 IS CODE = 8 13 air » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.639 SOIL CLASSIFICATION IS "B" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4 SUBAREA AREA(ACRES) = 51.00 SUBAREA RUNOFF(CFS) = 54.58 EFFECTIVE AREA(ACRES) = 272.21 mr AVERAGED Fm(INCH /HR) = .468 TOTAL AREA(ACRES) = 295.00 PEAK FLOW RATE(CFS) = 286.80 rw TC(MIN) = 29.20 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 544.10 TO NODE 544.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE ««< der TOTAL NUMBER OF STREAMS = 2 AIWA CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MIN.) = 29.20 RAINFALL INTENSITY(INCH /HR) = 1.64 AVERAGED Fm(INCH /HR) = .47 EFFECTIVE STREAM AREA(ACRES) = 272.21 TOTAL STREAM AREA(ACRES) = 295.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 286.80 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 540.00 TO NODE 540.10 IS CODE = 2 » 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(FEET) = 900.00 UPSTREAM ELEVATION(FEET) = 1096.00 DOWNSTREAM ELEVATION(FEET) = 1087.00 ELEVATION DIFFERENCE(FEET) = 9.00 TC(MIN.) = .389 *[( 900.00 ** 3.00)/( 9.00)] ** .20 = 14.847 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.459 +rrr SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4 SUBAREA RUNOFF(CFS) = 17.77 rr TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 17.77 mum **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 540.10 TO NODE 541.10 IS CODE = 6 » » >COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA« mgr UPSTREAM ELEVATION(FEET) = 1087.00 DOWNSTREAM ELEVATION(FEET) = 1084 STREET LENGTH(FEET) = 700.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 18.00 des 14 we err DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK(FEET) = 10.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 .r1 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 d. * *TRAVEL TIME COMPUTED USING MEAN FLOW(CFS) = 17.77 STREET FLOW MODEL RESULTS: 0• NOTE: STREET FLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREET FLOW 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 FLOW DEPTH(FEET) = .61 .• HALFSTREET FLOOD WIDTH(FEET) = 17.69 AVERAGE FLOW VELOCITY(FEET /SEC.) = 2.30 "" PRODUCT OF DEPTH &VELOCITY = 1.40 aw STREET FLOW TRAVEL TIME(MIN.) = 5.07 TC(MIN.) = 19.92 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.062 SOIL CLASSIFICATION IS "A" m' RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4 SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 EFFECTIVE AREA(ACRES) = 10.00 AVERAGED Fm(INCH /HR) = .49 TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 17.77 END OF SUBAREA STREET FLOW HYDRAULICS: -• DEPTH(FEET) = .61 HALFSTREET FLOOD WIDTH(FEET) = 17.69 FLOW VELOCITY(FEET /SEC.) = 2.30 DEPTH *VELOCITY = 1.40 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 541.00 TO NODE 541.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.062 .,. SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4 SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 14.19 EFFECTIVE AREA(ACRES) = 20.00 ""' AVERAGED Fm(INCH/HR) = .485 TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 28.38 ... TC(MIN) = 19.92 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 541.10 TO NODE 542.10 IS CODE = 6 tor » » >COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA««< maa 0 " UPSTREAM ELEVATION(FEET) = 1084.00 DOWNSTREAM ELEVATION(FEET) = 1075 STREET LENGTH(FEET) = 650.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 26.00 r. 00 15 OM DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK(FEET). = 18.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVEL TIME COMPUTED USING MEAN FLOW(CFS) = 28.38 STREET FLOW MODEL RESULTS: STREET FLOW DEPTH(FEET) = .61 " HALFSTREET FLOOD WIDTH(FEET) = 16.72 AVERAGE FLOW VELOCITY(FEET /SEC.) = 3.96 PRODUCT OF DEPTH &VELOCITY = 2.42 STREET FLOW TRAVEL TIME(MIN.) = 2.74 TC(MIN.) = 22.66 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.908 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) = 20.00 AVERAGED Fm(INCH/HR) = .49 TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 28.38 END OF SUBAREA STREET FLOW HYDRAULICS: "" DEPTH(FEET) = .61 HALFSTREET FLOOD WIDTH(FEET) = 16.72 r FLOW VELOCITY(FEET /SEC.) = 3.96 DEPTH *VELOCITY = 2.42 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 542.00 TO NODE 542.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.908 rr SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4 "" SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 25.62 EFFECTIVE AREA(ACRES) = 40.00 AVERAGED Fm(INCH/HR) = .485 TOTAL AREA(ACRES) = 40.00 PEAK FLOW RATE(CFS) = 51.24 TC(MIN) = 22.66 me ,r **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 542.10 TO NODE 543.10 IS CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< » »> USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< DEPTH OF FLOW IN 33.0 INCH PIPE IS 22.6 INCHES ✓ PIPE -FLOW VELOCITY(FEET /SEC.) = 11.8 UPSTREAM NODE ELEVATION(FEET) = 1075.00 o "' DOWNSTREAM NODE ELEVATION(FEET) = 1060.00 FLOW LENGTH(FEET) = 1000.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 33.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 51.24 TRAVEL TIME(MIN.) = 1.41 TC(MIN.) = 24.07 rr MR 16 WO **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 543.00 TO NODE 543.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< OW err 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.841 SOIL CLASSIFICATION IS "A" AGRICULTURE "ROWCROPS" SUBAREA LOSS RATE, Fm(INCH /HR) = .5900 SUBAREA AREA(ACRES) = 31.00 SUBAREA RUNOFF(CFS) = 34.89 EFFECTIVE AREA(ACRES) = 71.00 AVERAGED Fm(INCH /HR) = .531 TOTAL AREA(ACRES) = 71.00 PEAK FLOW RATE(CFS) = 83.69 TC(MIN) = 24.07 ,rr **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ,.. FLOW PROCESS FROM NODE 543.10 TO NODE 544.10 IS CODE = 3 » »> COMPUTE PIPE - FLOW TRAVEL TIME THRU SUBAREA « «< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< OW DEPTH OF FLOW IN 42.0 INCH PIPE IS 31.0 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 11.0 UPSTREAM NODE ELEVATION(FEET) = 1060.00 DOWNSTREAM NODE ELEVATION(FEET) = 1045.00 FLOW LENGTH(FEET) = 1650.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 42.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 83.69 ". TRAVEL TIME(MIN.) = 2.50 TC(MIN.) = 26.57 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 544.10 TO NODE 544.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< » » >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES « «< TOTAL NUMBER OF STREAMS = 2 rr CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MIN.) = 26.57 **s RAINFALL INTENSITY(INCH /HR) = 1.73 AVERAGED Fm(INCH /HR) = .53 EFFECTIVE STREAM AREA(ACRES) = 71.00 TOTAL STREAM AREA(ACRES) = 71.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 83.69 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. ** PEAK FLOW RATE TABLE ** ,■, Q(CFS) Tc(MIN.) Fm(INCH/HR) Ae(ACRES) 1 363.85 29.20 .481 343.21 17 2 327.22 35.42 .482 366.00 MN 3 365.95 26.57 .482 318.71 ... COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: ""'' PEAK FLOW RATE(CFS) = 365.95 Tc(MIN.) = 26.569 EFFECTIVE AREA(ACRES) = 318.71 AVERAGED Fm(INCH /HR) = .48 TOTAL AREA(ACRES) = 366.00 4. ... **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 544.10 TO NODE 549.12 IS CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA ««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< DEPTH OF FLOW IN 72.0 INCH PIPE IS 57.9 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 15.0 em UPSTREAM NODE ELEVATION(FEET) = 1045.00 DOWNSTREAM NODE ELEVATION(FEET) = 1023.00 FLOW LENGTH(FEET) = 2700.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 72.00 NUMBER OF PIPES = 1 PIPE- FLOW(CFS) = 365.95 TRAVEL TIME(MIN.) = 3.00 TC(MIN.) = 29.56 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 4* FLOW PROCESS FROM NODE 549.02 TO NODE 549.12 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.627 SOIL CLASSIFICATION IS "B" AGRICULTURE "ROWCROPS" SUBAREA LOSS RATE, Fm(INCH/HR) = .4100 SUBAREA AREA(ACRES) = 83.00 SUBAREA RUNOFF(CFS) = 90.89 EFFECTIVE AREA(ACRES) = 401.71 AVERAGED Fm(INCH/HR) = .467 TOTAL AREA(ACRES) = 449.00 PEAK FLOW RATE(CFS) = 419.17 TC(MIN) = 29.56 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ar FLOW PROCESS FROM NODE 549.12 TO NODE 549.13 IS CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA ««< »» >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< DEPTH OF FLOW IN 87.0 INCH PIPE IS 67.3 INCHES ais PIPE -FLOW VELOCITY(FEET /SEC.) = 12.2 UPSTREAM NODE ELEVATION(FEET) = 1023.00 . DOWNSTREAM NODE ELEVATION(FEET) = 1019.00 FLOW LENGTH(FEET) = 950.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 87.00 NUMBER OF PIPES = 1 PIPE-FLOW(CFS) = 419.17 TRAVEL TIME(MIN.) = 1.30 TC(MIN.) = 30.86 *r 18 ases END OF STUDY SUMMARY: TOTAL AREA(ACRES) = 449.00 TC(MIN.) = 30.86 m. EFFECTIVE AREA(ACRES) = 401.71 AVERAGED Fm(INCH/HR)= .47 PEAK FLOW RATE(CFS) = 419.17 *** PEAK FLOW RATE TABLE *** Q(CFS) Tc(MIN.) Fm(INCH/HR) Ae(ACRES) 1 413.63 33.49 .467 426.21 2 371.59 39.83 .469 449.00 MON 3 419.17 30.86 .467 401.71 END OF RATIONAL METHOD ANALYSIS ea am Sid son 4ist mem *ea de lel 19 w IMO ON IMO as OM ON .._ ROM Awe rr r r oft ual aw din 20 '°r' **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE (Reference: 1986 SAN BERNARDINO CO. HYDROLOGY CRITERION) (c) Copyright 1983 -88 Advanced Engineering Software (aes) Ver. 5.2A Release Date: 7/08/88 Serial # 2929 Analysis prepared by: HALL & FOREMAN, INC. r * * * * * * * * * * * * * * * * * * * * * * * * ** DESCRIPTION OF STUDY * * * * * * * * * * * * * * * * * * * * ** * S. FONTANA MASTER S.D. PLAN, LINES DZ -4, DZ -5, DZ -6, DZ -7 * 100 YEAR STORM, DESIGN Q FOR LINE DZ -5 ONLY * JN 4042 *************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FILE NAME: SFONTD4.100 TIME /DATE OF STUDY: 6:11 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) = .910 100 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.350 ^� COMPUTED RAINFALL INTENSITY DATA: STORM EVENT = 100.00 1 -HOUR INTENSITY(INCH /HOUR) = 1.3500 SLOPE OF INTENSITY DURATION CURVE = .6000 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** * FLOW PROCESS FROM NODE 545.00 TO NODE 545.10 IS CODE = 2 » »> RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< DEVELOPMENT IS AGRICULTURE TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW - LENGTH(FEET) = 950.00 'M. UPSTREAM ELEVATION(FEET) = 1063.00 DOWNSTREAM ELEVATION(FEET) = 1054.00 ELEVATION DIFFERENCE(FEET) = 9.00 TC(MIN.) = .525 *[( 950.00 ** 3.00)/( 9.00)] ** .20 = 20.699 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.557 eir SOIL CLASSIFICATION IS "B" AGRICULTURE "ROWCROPS" SUBAREA LOSS RATE, Fm(INCH /HR) = .4100 SUBAREA RUNOFF(CFS) = 19.32 Air 1 mai ale TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 19.32 ame **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 545.10 TO NODE 546.10 IS CODE = 6 » » >COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA« «< ;wr UPSTREAM ELEVATION(FEET) = 1054.00 DOWNSTREAM ELEVATION(FEET) = 1050 STREET LENGTH(FEET) = 650.00 CURB HEIGTH(INCHES) = 6. rr STREET HALFWIDTH(FEET) = 18.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK(FEET) = 10.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 ,rr OUTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVEL TIME COMPUTED USING MEAN FLOW(CFS) = 19.32 STREET FLOW MODEL RESULTS: NOTE: STREET FLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREET FLOW 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. aw STREET FLOW DEPTH(FEET) = .60 HALFSTREET FLOOD WIDTH(FEET) = 17.06 -• AVERAGE FLOW VELOCITY(FEET /SEC.) = 2.65 PRODUCT OF DEPTH &VELOCITY = 1.58 STREET FLOW TRAVEL TIME(MIN.) = 4.09 TC(MIN.) = 24.79 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.294 SOIL CLASSIFICATION IS "B" AGRICULTURE "ROWCROPS" SUBAREA LOSS RATE, Fm(INCH/HR) = .4100 SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 EFFECTIVE AREA(ACRES) = 10.00 AVERAGED Fm(INCH /HR) = .41 TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 19.32 END OF SUBAREA STREET FLOW HYDRAULICS: DEPTH(FEET) = .60 HALFSTREET FLOOD WIDTH(FEET) = 17.06 FLOW VELOCITY(FEET /SEC.) = 2.65 DEPTH *VELOCITY = 1.58 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 546.00 TO NODE 546.10 IS CODE = 8 #4r » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.294 SOIL CLASSIFICATION IS "B" AGRICULTURE "ROWCROPS" SUBAREA LOSS RATE, Fm(INCH/HR) = .4100 SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 16.96 EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH /HR) = .410 TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 33.92 TC(MIN) = 24.79 Awa me 2 Atif moul **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 546.10 TO NODE 547.10 IS CODE = 6 rr. » » >COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA « «< AO UPSTREAM ELEVATION(FEET) = 1050.00 DOWNSTREAM ELEVATION(FEET) = 1047 STREET LENGTH(FEET) = 650.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 26.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK(FEET) = 18.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 all SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 ml * *TRAVEL TIME COMPUTED USING MEAN FLOW(CFS) = 33.92 STREET FLOW MODEL RESULTS: NOTE: STREET FLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREET FLOW 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 FLOW DEPTH(FEET) = .75 HALFSTREET FLOOD WIDTH(FEET) = 23.47 AWN AVERAGE FLOW VELOCITY(FEET /SEC.) = 2.69 PRODUCT OF DEPTH &VELOCITY = 2.01 STREET FLOW TRAVEL TIME(MIN.) = 4.02 TC(MIN.) = 28.81 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.096 SOIL CLASSIFICATION IS "A" AGRICULTURE "ROWCROPS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5900 SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH /HR) = .41 TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 33.92 END OF SUBAREA STREET FLOW HYDRAULICS: DEPTH(FEET) = .75 HALFSTREET FLOOD WIDTH(FEET) = 23.47 FLOW VELOCITY(FEET /SEC.) = 2.69 DEPTH *VELOCITY = 2.01 °#' **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 547.00 TO NODE 547.10 IS CODE = 8 ,.. » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.096 SOIL CLASSIFICATION IS "B" AGRICULTURE "ROWCROPS" SUBAREA LOSS RATE, Fm(INCH /HR) = .4100 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 30.36 EFFECTIVE AREA(ACRES) = 40.00 AVERAGED Fm(INCH/HR) = .410 TOTAL AREA(ACRES) = 40.00 PEAK FLOW RATE(CFS) = 60.71 TC(MIN) = 28.81 wr '"� 3 ANW mem ■w arr **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 547.10 TO NODE 548.10 IS CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA« «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) ««< DEPTH OF FLOW IN 39.0 INCH PIPE IS 28.7 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 9.3 .., UPSTREAM NODE ELEVATION(FEET) = 1047.00 DOWNSTREAM NODE ELEVATION(FEET) = 1042.00 FLOW LENGTH(FEET) = 700.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 39.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 60.71 TRAVEL TIME(MIN.) = 1.26 TC(MIN.) = 30.07 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 548.00 TO NODE 548.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.043 SOIL CLASSIFICATION IS "B" AGRICULTURE "ROWCROPS" SUBAREA LOSS RATE, Fm(INCH/HR) = .4100 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 29.40 EFFECTIVE AREA(ACRES) = 60.00 AVERAGED Fm(INCH /HR) = .410 ON TOTAL AREA(ACRES) = 60.00 PEAK FLOW RATE(CFS) = 88.20 TC(MIN) = 30.07 Of o. **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** r�r FLOW PROCESS FROM NODE 548.10 TO NODE 549.10 IS CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA ««< »» >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< OW DEPTH OF FLOW IN 48.0 INCH PIPE IS 35.3 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 8.9 UPSTREAM NODE ELEVATION(FEET) = 1042.00 DOWNSTREAM NODE ELEVATION(FEET) = 1038.50 FLOW LENGTH(FEET) = 700.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 48.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 88.20 TRAVEL TIME(MIN.) = 1.31 TC(MIN.) = 31.38 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 549.00 TO NODE 549.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.992 "" 4 w MI SOIL CLASSIFICATION IS "B" AGRICULTURE "ROWCROPS" SUBAREA LOSS RATE, Fm(INCH /HR) = .4100 MO SUBAREA AREA(ACRES) = 23.00 SUBAREA RUNOFF(CFS) = 32.74 EFFECTIVE AREA(ACRES) = 83.00 me AVERAGED Fm(INCH /HR) = .410 TOTAL AREA(ACRES) = 83.00 PEAK FLOW RATE(CFS) = 118.15 TC(MIN) = 31.38 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 549.10 TO NODE 549.11 IS CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA« «< wrr » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « « < DEPTH OF FLOW IN 51.0 INCH PIPE IS 36.3 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 10.9 "rr UPSTREAM NODE ELEVATION(FEET) = 1038.50 on DOWNSTREAM NODE ELEVATION(FEET) = 1029.00 FLOW LENGTH(FEET) = 1350.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 51.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 118.15 TRAVEL TIME(MIN.) = 2.06 TC(MIN.) = 33.44 .., **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 549.01 TO NODE 549.11 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.917 SOIL CLASSIFICATION IS "B" AGRICULTURE "ROWCROPS" SUBAREA LOSS RATE, Fm(INCH/HR) = .4100 SUBAREA AREA(ACRES) = 83.00 SUBAREA RUNOFF(CFS) = 112.59 EFFECTIVE AREA(ACRES) = 166.00 AVERAGED Fm(INCH /HR) = .410 TOTAL AREA(ACRES) = 166.00 PEAK FLOW RATE(CFS) = 225.18 TC(MIN) = 33.44 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 530.00 TO NODE 530.10 IS CODE = 2 or » » >RATIONAL METHOD INITIAL SUBAREA ANALYSIS ««< DEVELOPMENT IS AGRICULTURE oar TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW - LENGTH(FEET) = 900.00 4. UPSTREAM ELEVATION(FEET) = 1109.00 DOWNSTREAM ELEVATION(FEET) = 1095.00 ELEVATION DIFFERENCE(FEET) = 14.00 TC(MIN.) = .525 *[( 900.00 ** 3.00)/( 14.00)] ** .20 = 18.343 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.749 5 mos SOIL CLASSIFICATION IS "A" ell AGRICULTURE "ROWCROPS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5900 SUBAREA RUNOFF(CFS) = 19.43 TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 19.43 ,.' **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 530.10 TO NODE 531.10 IS CODE = 6 •. » » >COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA « «< UPSTREAM ELEVATION(FEET) = 1095.00 DOWNSTREAM ELEVATION(FEET) = 1092 STREET LENGTH(FEET) = 700.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 26.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK(FEET) = 18.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVEL TIME COMPUTED USING MEAN FLOW(CFS) = 19.43 STREET FLOW MODEL RESULTS: NOTE: STREET FLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREET FLOW 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 FLOW DEPTH(FEET) = .62 HALFSTREET FLOOD WIDTH(FEET) = 18.41 AVERAGE FLOW VELOCITY(FEET /SEC.) = 2.36 PRODUCT OF DEPTH &VELOCITY = 1.47 .1/M STREET FLOW TRAVEL TIME(MIN.) = 4.95 TC(MIN.) = 23.30 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.382 SOIL CLASSIFICATION IS "A" AGRICULTURE "ROWCROPS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5900 SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 EFFECTIVE AREA(ACRES) = 10.00 AVERAGED Fm(INCH /HR) = .59 4 " TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 19.43 END OF SUBAREA STREET FLOW HYDRAULICS: "r DEPTH(FEET) = .62 HALFSTREET FLOOD WIDTH(FEET) = 18.41 FLOW VELOCITY(FEET /SEC.) = 2.36 DEPTH *VELOCITY = 1.47 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** f1° FLOW PROCESS FROM NODE 531.00 TO NODE 531.10 IS CODE = 8 » OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.382 SOIL CLASSIFICATION IS "A" AGRICULTURE "ROWCROPS" SUBAREA LOSS RATE, Fm(INCH/HR) = .5900 SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 16.12 m ., EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH /HR) = .590 air 6 ++orr TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 32.25 ... TC(MIN) = 23.30 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 531.10 TO NODE 532.10 IS CODE = 6 » » >COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA ««< UPSTREAM ELEVATION(FEET) = 1092.00 DOWNSTREAM ELEVATION(FEET) = 1082 STREET LENGTH(FEET) = 700.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 26.00 - DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK(FEET) = 18.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 err SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVEL TIME COMPUTED USING MEAN FLOW(CFS) = 32.25 STREET FLOW MODEL RESULTS: STREET FLOW DEPTH(FEET) = .64 HALFSTREET FLOOD WIDTH(FEET) = 17.84 rw AVERAGE FLOW VELOCITY(FEET /SEC.) = 4.06 PRODUCT OF DEPTH &VELOCITY = 2.58 STREET FLOW TRAVEL TIME(MIN.) = 2.88 TC(MIN.) = 26.17 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.221 SOIL CLASSIFICATION IS "A" AGRICULTURE "ROWCROPS" SUBAREA LOSS RATE, Fm(INCH /HR) = .5900 SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH /HR) = .59 TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 32.25 END OF SUBAREA STREET FLOW HYDRAULICS: DEPTH(FEET) = .64 HALFSTREET FLOOD WIDTH(FEET) = 17.84 FLOW VELOCITY(FEET /SEC.) = 4.06 DEPTH *VELOCITY = 2.58 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 532.00 TO NODE 532.10 IS CODE = 8 rr » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « « < 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.221 SOIL CLASSIFICATION IS "A" AGRICULTURE "ROWCROPS" SUBAREA LOSS RATE, Fm(INCH /HR) = .5900 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 29.36 rr EFFECTIVE AREA(ACRES) = 40.00 AVERAGED Fm(INCH/HR) = .590 TOTAL AREA(ACRES) = 40.00 PEAK FLOW RATE(CFS) = 58.71 TC(MIN) = 26.17 7 w. e.. **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 532.10 TO NODE 533.10 IS CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA ««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< " DEPTH OF FLOW IN 36.0 INCH PIPE IS 26.5 INCHES „ PIPE -FLOW VELOCITY(FEET /SEC.) = 10.5 UPSTREAM NODE ELEVATION(FEET) = 1082.30 DOWNSTREAM NODE ELEVATION(FEET) = 1072.00 FLOW LENGTH(FEET) = 1000.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 58.71 TRAVEL TIME(MIN.) = 1.58 TC(MIN.) = 27.75 ,rs .., **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 533.00 TO NODE 533.10 IS CODE = 8 gmg » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< +g 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.144 SOIL CLASSIFICATION IS "B" gm RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4 SUBAREA AREA(ACRES) = 31.00 SUBAREA RUNOFF(CFS) = 47.27 EFFECTIVE AREA(ACRES) = 71.00 .,. AVERAGED Fm(INCH /HR) = .529 TOTAL AREA(ACRES) = 71.00 m' PEAK FLOW RATE(CFS) = 103.22 TC(MIN) = 27.75 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 533.10 TO NODE 534.10 IS CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< DEPTH OF FLOW IN 45.0 INCH PIPE IS 35.0 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 11.2 UPSTREAM NODE ELEVATION(FEET) = 1072.00 DOWNSTREAM NODE ELEVATION(FEET) = 1058.00 FLOW LENGTH(FEET) = 1650.00 MANNING'S N = .013 ... ESTIMATED PIPE DIAMETER(INCH) = 45.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 103.22 TRAVEL TIME(MIN.) = 2.46 TC(MIN.) = 30.21 � **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 534.00 TO NODE 534.10 IS CODE = 8 gm » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.038 SOIL CLASSIFICATION IS "B" rir 014 8 me RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4 SUBAREA AREA(ACRES) = 51.00 SUBAREA RUNOFF(CFS) = 72.88 .«. EFFECTIVE AREA(ACRES) = 122.00 AVERAGED Fm(INCH/HR) = .496 °'"` TOTAL AREA(ACRES) = 122.00 PEAK FLOW RATE(CFS) = 169.29 TC(MIN) = 30.21 ... **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 534.10 TO NODE 539.10 IS CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA« «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) ««< DEPTH OF FLOW IN 57.0 INCH PIPE IS 43.8 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 11.6 UPSTREAM NODE ELEVATION(FEET) = 1058.00 DOWNSTREAM NODE ELEVATION(FEET) = 1049.00 FLOW LENGTH(FEET) = 1350.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 57.00 NUMBER OF PIPES = 1 aro PIPE - FLOW(CFS) = 169.29 TRAVEL TIME(MIN.) = 1.94 TC(MIN.) = 32.15 0. **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** �^ FLOW PROCESS FROM NODE 539.10 TO NODE 539.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE ««< TOTAL NUMBER OF STREAMS = 2 .ft CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MIN.) = 32.15 RAINFALL INTENSITY(INCH /HR) = 1.96 AVERAGED Fm(INCH/HR) = .50 EFFECTIVE STREAM AREA(ACRES) = 122.00 ... TOTAL STREAM AREA(ACRES) = 122.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 169.29 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ..r FLOW PROCESS FROM NODE 535.00 TO NODE 535.10 IS CODE = 2 » 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(FEET) = 900.00 UPSTREAM ELEVATION(FEET) = 1100.00 DOWNSTREAM ELEVATION(FEET) = 1091.00 ELEVATION DIFFERENCE(FEET) = 9.00 AN TC(MIN.) = .389 *[( 900.00 ** 3.00)/( 9.00)] ** .20 = 14.847 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.121 m. SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4 9 irr SUBAREA RUNOFF(CFS) = 23.72 TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 23.72 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 535.10 TO NODE 536.10 IS CODE = 6 » » >COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA « « < •* UPSTREAM ELEVATION(FEET) = 1091.00 DOWNSTREAM ELEVATION(FEET) = 1089 STREET LENGTH(FEET) = 650.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 26.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK(FEET) = 18.00 • INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVEL TIME COMPUTED USING MEAN FLOW(CFS) = 23.72 STREET FLOW MODEL RESULTS: NOTE: STREET FLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREET FLOW 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 FLOW DEPTH(FEET) = .69 ft. HALFSTREET FLOOD WIDTH(FEET) = 21.78 AVERAGE FLOW VELOCITY(FEET /SEC.) = 2.16 PRODUCT OF DEPTH &VELOCITY = 1.50 ,A) STREET FLOW TRAVEL TIME(MIN.) = 5.01 TC(MIN.) = 19.85 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.621 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) = 10.00 AVERAGED Fm(INCH /HR) = .49 TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 23.72 END OF SUBAREA STREET FLOW HYDRAULICS: 40" DEPTH(FEET) = .69 HALFSTREET FLOOD WIDTH(FEET) = 21.78 FLOW VELOCITY(FEET /SEC.) = 2.16 DEPTH *VELOCITY = 1.50 ,mrr **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 536.00 TO NODE 536.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.621 4w SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4 SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 19.23 EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH/HR) = .485 TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 38.46 10 TC(MIN) = 19.85 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** o"' FLOW PROCESS FROM NODE 536.10 TO NODE 537.10 IS CODE = 6 » » >COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA««< rr UPSTREAM ELEVATION(FEET) = 1089.00 DOWNSTREAM ELEVATION(FEET) = 1081 STREET LENGTH(FEET) = 650.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 26.00 rrr DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK(FEET) = 18.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 ow * *TRAVEL TIME COMPUTED USING MEAN FLOW(CFS) = 38.46 STREET FLOW MODEL RESULTS: NOTE: STREET FLOW EXCEEDS TOP OF CURB. sof THE FOLLOWING STREET FLOW 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 FLOW DEPTH(FEET) = .68 HALFSTREET FLOOD WIDTH(FEET) = 20.09 .." AVERAGE FLOW VELOCITY(FEET /SEC.) = 3.98 PRODUCT OF DEPTH &VELOCITY = 2.71 i """ STREET FLOW TRAVEL TIME(MIN.) = 2.72 TC(MIN.) = 22.57 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.427 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) = 20.00 AVERAGED Fm(INCH/HR) = .49 TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 38.46 END OF SUBAREA STREET FLOW HYDRAULICS: DEPTH(FEET) = .68 HALFSTREET FLOOD WIDTH(FEET) = 20.09 ,w. FLOW VELOCITY(FEET /SEC.) = 3.98 DEPTH *VELOCITY = 2.71 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 4. FLOW PROCESS FROM NODE 537.00 TO NODE 537.10 IS CODE = 8 ow » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< s.r 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.427 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 34.96 EFFECTIVE AREA(ACRES) = 40.00 AVERAGED Fm(INCH/HR) = .485 AW TOTAL AREA(ACRES) = 40.00 PEAK FLOW RATE(CFS) = 69.91 TC(MIN) = 22.57 11 OW or **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** oft FLOW PROCESS FROM NODE 537.10 TO NODE 538.10 IS CODE = 3 w » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA ««< ow » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) ««< DEPTH OF FLOW IN 36.0 INCH PIPE IS 27.4 INCHES «» PIPE -FLOW VELOCITY(FEET /SEC.) = 12.1 UPSTREAM NODE ELEVATION(FEET) = 1081.50 DOWNSTREAM NODE ELEVATION(FEET) = 1068.00 FLOW LENGTH(FEET) = 1000.00 MANNING'S N = .013 o. ESTIMATED PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES = 1 �r. PIPE - FLOW(CFS) = 69.91 TRAVEL TIME(MIN.) = 1.37 TC(MIN.) = 23.95 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 538.00 TO NODE 538.10 IS CODE = 8 'r' » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.343 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4 «. SUBAREA AREA(ACRES) = 31.00 SUBAREA RUNOFF(CFS) = 51.82 EFFECTIVE AREA(ACRES) = 71.00 "`" AVERAGED Fm(INCH/HR) = .485 TOTAL AREA(ACRES) = 71.00 PEAK FLOW RATE(CFS) = 118.70 oot TC(MIN) = 23.95 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** JAW FLOW PROCESS FROM NODE 538.10 TO NODE 539.10 IS CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA««< "" »» >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) ««< DEPTH OF FLOW IN 45.0 INCH PIPE IS 34.6 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 13.0 UPSTREAM NODE ELEVATION(FEET) = 1068.00 •.. DOWNSTREAM NODE ELEVATION(FEET) = 1049.00 FLOW LENGTH(FEET) = 1650.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 45.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 118.70 «r TRAVEL TIME(MIN.) = 2.11 TC(MIN.) = 26.06 w ow **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** w FLOW PROCESS FROM NODE 539.00 TO NODE 539.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< Agt 12 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.227 SOIL CLASSIFICATION IS "B" AGRICULTURE "ROWCROPS" SUBAREA LOSS RATE, Fm(INCH /HR) = .4100 SUBAREA AREA(ACRES) = 51.00 SUBAREA RUNOFF(CFS) = 83.38 EFFECTIVE AREA(ACRES) = 122.00 AVERAGED Fm(INCH/HR) = .454 TOTAL AREA(ACRES) = 122.00 PEAK FLOW RATE(CFS) = 194.68 TC(MIN) = 26.06 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 539.10 TO NODE 539.10 IS CODE = 1 as » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE ««< » » >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< TOTAL NUMBER OF STREAMS = 2 CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MIN.) = 26.06 RAINFALL INTENSITY(INCH /HR) = 2.23 AVERAGED Fm(INCH/HR) = .45 EFFECTIVE STREAM AREA(ACRES) = 122.00 TOTAL STREAM AREA(ACRES) = 122.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 194.68 •- RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. ** PEAK FLOW RATE TABLE ** Q(CFS) Tc(MIN.) Fm(INCH/HR) Ae(ACRES) 1 335.02 32.15 .475 244.00 2 356.56 26.06 .473 220.89 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 356.56 Tc(MIN.) = 26.059 EFFECTIVE AREA(ACRES) = 220.89 AVERAGED Fm(INCH /HR) = .47 TOTAL AREA(ACRES) = 244.00 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 539.10 TO NODE 544.10 IS CODE = 3 » »> COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA« «< wrr » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) ««< DEPTH OF FLOW IN 87.0 INCH PIPE IS 68.2 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 10.3 *"► UPSTREAM NODE ELEVATION(FEET) = 1049.00 DOWNSTREAM NODE ELEVATION(FEET) = 1045.00 FLOW LENGTH(FEET) = 1350.00 MANNING'S N = .013 AO ESTIMATED PIPE DIAMETER(INCH) = 87.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 356.56 ... TRAVEL TIME(MIN.) = 2.19 TC(MIN.) = 28.25 13 IWO .rr **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 544.00 TO NODE 544.10 IS CODE = 8 00 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.121 SOIL CLASSIFICATION IS "B" RESIDENTIAL -> 3 -4 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4 SUBAREA AREA(ACRES) = 51.00 SUBAREA RUNOFF(CFS) = 76.71 EFFECTIVE AREA(ACRES) = 271.89 AVERAGED Fm(INCH/HR) = .468 TOTAL AREA(ACRES) = 295.00 PEAK FLOW RATE(CFS) = 404.49 +w TC(MIN) = 28.25 4110 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 544.10 TO NODE 544.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE« «< 00 TOTAL NUMBER OF STREAMS = 2 CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MIN.) = 28.25 RAINFALL INTENSITY(INCH /HR) = 2.12 AVERAGED Fm(INCH/HR) = .47 EFFECTIVE STREAM AREA(ACRES) = 271.89 TOTAL STREAM AREA(ACRES) = 295.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 404.49 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 540.00 TO NODE 540.10 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(FEET) = 900.00 UPSTREAM ELEVATION(FEET) = 1096.00 ... DOWNSTREAM ELEVATION(FEET) = 1087.00 ELEVATION DIFFERENCE(FEET) = 9.00 TC(MIN.) = .389 *[( 900.00 ** 3.00)/( 9.00)] ** .20 = 14.847 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.121 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4 SUBAREA RUNOFF(CFS) = 23.72 0 ' TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 23.72 w. **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** AV FLOW PROCESS FROM NODE 540.10 TO NODE 541.10 IS CODE = 6 » » >COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA««< 14 Nes UPSTREAM ELEVATION(FEET) = 1087.00 DOWNSTREAM ELEVATION(FEET) = 1084 STREET LENGTH(FEET) = 700.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 18.00 rr�r DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK(FEET) = 10.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 •• SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVEL TIME COMPUTED USING MEAN FLOW(CFS) = 23.72 ** *STREET FLOWING FULL * ** STREET FLOW MODEL RESULTS: NOTE: STREET FLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREET FLOW 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 FLOW DEPTH(FEET) = .65 HALFSTREET FLOOD WIDTH(FEET) = 18.00 AVERAGE FLOW VELOCITY(FEET /SEC.) = 2.63 °" PRODUCT OF DEPTH &VELOCITY = 1.70 STREET FLOW TRAVEL TIME(MIN.) = 4.43 TC(MIN.) = 19.28 , 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.668 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) = 10.00 AVERAGED Fm(INCH/HR) = .49 TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 23.72 END OF SUBAREA STREET FLOW HYDRAULICS: aw DEPTH(FEET) = .65 HALFSTREET FLOOD WIDTH(FEET) = 18.00 FLOW VELOCITY(FEET /SEC.) = 2.63 DEPTH *VELOCITY = 1.70 1 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 541.00 TO NODE 541.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.668 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4 SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 19.65 EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH/HR) = .485 TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 39.30 Agt TC(MIN) = 19.28 . **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** woo FLOW PROCESS FROM NODE 541.10 TO NODE 542.10 IS CODE = 6 » » >COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA ««< 15 om UPSTREAM ELEVATION(FEET) = 1084.00 DOWNSTREAM ELEVATION(FEET) = 1075 STREET LENGTH(FEET) = 650.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 26.00 sw DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK(FEET) = 18.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 0' * *TRAVEL TIME COMPUTED USING MEAN FLOW(CFS) = 39.30 STREET FLOW MODEL RESULTS: NOTE: STREET FLOW EXCEEDS TOP OF CURB. 40 THE FOLLOWING STREET FLOW 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 FLOW DEPTH(FEET) = .67 AM HALFSTREET FLOOD WIDTH(FEET) = 19.53 AVERAGE FLOW VELOCITY(FEET /SEC.) = 4.27 PRODUCT OF DEPTH &VELOCITY = 2.85 00 STREET FLOW TRAVEL TIME(MIN.) = 2.54 TC(MIN.) = 21.82 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.477 ear 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) = 20.00 AVERAGED Fm(INCH /HR) = .49 TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 39.30 END OF SUBAREA STREET FLOW HYDRAULICS: DEPTH(FEET) = .67 HALFSTREET FLOOD WIDTH(FEET) = 19.53 FLOW VELOCITY(FEET /SEC.) = 4.27 DEPTH *VELOCITY = 2.85 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 542.00 TO NODE 542.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.477 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 35.86 ..., EFFECTIVE AREA(ACRES) = 40.00 AVERAGED Fm(INCH/HR) = .485 or TOTAL AREA(ACRES) = 40.00 PEAK FLOW RATE(CFS) = 71.72 TC(MIN) = 21.82 me ,�. **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 542.10 TO NODE 543.10 IS CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA« «< » » USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) ««< ale """ 16 wom gm DEPTH OF FLOW IN 36.0 INCH PIPE IS 26.7 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 12.7 UPSTREAM NODE ELEVATION(FEET) = 1075.00 m" DOWNSTREAM NODE ELEVATION(FEET) = 1060.00 FLOW LENGTH(FEET) = 1000.00 MANNING'S N = .013 '"' ESTIMATED PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES = 1 are PIPE- FLOW(CFS) = 71.72 TRAVEL TIME(MIN.) = 1.31 TC(MIN.) = 23.12 .w **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 543.00 TO NODE 543.10 IS CODE = 8 00 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.392 SOIL CLASSIFICATION IS "A" AGRICULTURE "ROWCROPS" SUBAREA LOSS RATE, Fm(INCH /HR) = .5900 w SUBAREA AREA(ACRES) = 31.00 SUBAREA RUNOFF(CFS) = 50.28 EFFECTIVE AREA(ACRES) = 71.00 AVERAGED Fm(INCH/HR) = .531 TOTAL AREA(ACRES) = 71.00 "- PEAK FLOW RATE(CFS) = 118.94 TC(MIN) = 23.12 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** gm FLOW PROCESS FROM NODE 543.10 TO NODE 544.10 IS CODE = 3 » » > COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA« «< mg » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< "'" DEPTH OF FLOW IN 48.0 INCH PIPE IS 35.3 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 12.0 mg UPSTREAM NODE ELEVATION(FEET) = 1060.00 DOWNSTREAM NODE ELEVATION(FEET) = 1045.00 FLOW LENGTH(FEET) = 1650.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 48.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 118.94 TRAVEL TIME(MIN.) = 2.29 TC(MIN.) = 25.41 .. **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 544.10 TO NODE 544.10 IS CODE = 1 ay » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< » »>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES ««< m• TOTAL NUMBER OF STREAMS = 2 CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MIN.) = 25.41 mg RAINFALL INTENSITY(INCH /HR) = 2.26 �.. AVERAGED Fm(INCH/HR) = .53 EFFECTIVE STREAM AREA(ACRES) = 71.00 gar �"' 17 wr TOTAL STREAM AREA(ACRES) = 71.00 wo PEAK FLOW RATE(CFS) AT CONFLUENCE = 118.94 oft RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. ** PEAK FLOW RATE TABLE ** ., Q(CFS) Tc(MIN.) Fm(INCH /HR) Ae(ACRES) 1 513.86 28.25 .481 342.89 ,o 2 468.75 34.39 .482 366.00 3 513.42 25.41 .482 315.58 MN COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 513.86 Tc(MIN.) = 28.250 40 EFFECTIVE AREA(ACRES) = 342.89 AVERAGED Fm(INCH /HR) = .48 TOTAL AREA(ACRES) = 366.00 goo **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 544.10 TO NODE 549.12 IS CODE = 3 » PIPE -FLOW TRAVEL TIME THRU SUBAREA ««< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 84.0 INCH PIPE IS 63.1 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 16.6 +.. UPSTREAM NODE ELEVATION(FEET) = 1045.00 DOWNSTREAM NODE ELEVATION(FEET) = 1023.00 FLOW LENGTH(FEET) = 2700.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 84.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 513.86 MOW TRAVEL TIME(MIN.) = 2.72 TC(MIN.) = 30.97 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 549.02 TO NODE 549.12 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.008 SOIL CLASSIFICATION IS "B" o , AGRICULTURE "ROWCROPS" SUBAREA LOSS RATE, Fm(INCH /HR) = .4100 SUBAREA AREA(ACRES) = 83.00 SUBAREA RUNOFF(CFS) = 119.34 o.. EFFECTIVE AREA(ACRES) = 425.89 AVERAGED Fm(INCH /HR) = .467 art TOTAL AREA(ACRES) = 449.00 PEAK FLOW RATE(CFS) = 590.36 oo TC(MIN) = 30.97 40 ** PEAK FLOW RATE TABLE ** Q(CFS) Tc(MIN.) Fm(INCH/HR) Ae(ACRES) 1 590.36 30.97 .467 425.89 2 537.61 37.17 .469 449.00 3 595.27 28.13 .467 398.58 ow NEW PEAK FLOW DATA ARE: PEAK FLOW RATE(CFS) = 595.27 Tc(MIN.) = 28.13 18 ow �wr AVERAGED Fm(INCH /HR) = .47 EFFECTIVE AREA(ACRES) = 398.58 **************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 549.12 TO NODE 549.13 IS CODE = 3 "" » » >COMPUTE PIPE —FLOW TRAVEL TIME THRU SUBAREA««< » » >USING COMPUTER — ESTIMATED PIPESIZE (NON — PRESSURE FLOW) ««< DEPTH OF FLOW IN 102.0 INCH PIPE IS 74.1 INCHES PIPE —FLOW VELOCITY(FEET /SEC.) = 13.5 dal UPSTREAM NODE ELEVATION(FEET) = 1023.00 DOWNSTREAM NODE ELEVATION(FEET) = 1019.00 FLOW LENGTH(FEET) = 950.00 MANNING'S N = .013 Al. ESTIMATED PIPE DIAMETER(INCH) = 102.00 NUMBER OF PIPES = 1 PIPE — FLOW(CFS) = 595.27 TRAVEL TIME(MIN.) = 1.17 TC(MIN.) = 29.31 moo END OF STUDY SUMMARY: TOTAL AREA(ACRES) = 449.00 TC(MIN.) = 29.31 EFFECTIVE AREA(ACRES) = 398.58 AVERAGED Fm(INCH/HR)= .47 PEAK FLOW RATE(CFS) = 595.27 * ** PEAK FLOW RATE TABLE * ** Q(CFS) Tc(MIN.) Fm(INCH/HR) Ae(ACRES) maw 1 590.36 32.14 .467 425.89 2 537.61 38.39 .469 449.00 3 595.27 29.31 .467 398.58 END OF RATIONAL METHOD ANALYSIS 00 a• 00 .0 19 OMB gee NW AIN tea anie MIR r.r ar Ar A. 2 0 tar ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE (Reference: 1986 SAN BERNARDINO CO. HYDROLOGY CRITERION) (c) Copyright 1983 -88 Advanced Engineering Software (aes) Ver. 5.2A Release Date: 7/08/88 Serial # 2929 rr. m. Analysis prepared by: rr HALL & FOREMAN INC., 3170 REDHILL AVE., COSTA MESA, CA,92626 13 MARCH 1989, VERS. 5.2A 08 -15 -88 AUTHORIZATION CODE 136020001 .rr * * * * * * * * * * * * * * * * * * * * * * * * ** DESCRIPTION OF STUDY * * * * * * * * * * * * * * * * * * * * * * * * ** ,,,. * 8. FONTANA MASTER B.D. PLAN. LINES DZ- 8,9,10 FOR 25 -YR. STORM. * * DESIGN Q. LINES RUN SOUTH OF I -10 FWY. TO DECLEZ CHANNEL. * so * T. ARROYO, 1/24/90. * ******************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FILE NAME: SFONTD8.025 "" TIME /DATE OF STUDY: 15:43 1/24/1990 — 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* 1 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = .910 ..00 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.350 COMPUTED RAINFALL INTENSITY DATA: — STORM EVENT = 25.00 1 -HOUR INTENSITY(INCH /HOUR) = 1.0639 SLOPE OF INTENSITY DURATION CURVE = .6000 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 550.00 TO NODE 550.10 I8 CODE = 2 — » » > RATIONAL METHOD INITIAL SUBAREA ANALYSIS « «< DEVELOPMENT I8 SINGLE FAMILY RESIDENTIAL -> 5 -7 DWELLINGS /ACRE ,.. TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW - LENGTH(FEET) = 900.00 0 ' UPSTREAM ELEVATION(FEET) = 1096.00 DOWNSTREAM ELEVATION(FEET) = 1081.00 *w ELEVATION DIFFERENCE(FEET) = 15.00 TC(MIN.) = .389 *[( 900.00 ** 3.00)/( 15.00)] ** .20 = 13.405 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.615 SOIL CLASSIFICATION I8 r"A" • RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA RUNOFF(CFS) = 19.17 TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 19.17 err********************************************* * * * * * * ** * ** * * * * * * * * * * * * * * * ** * ** AN PROCESS FROM NODE 550.10 TO NODE 551.10 I8 CODE = 6 err » » >COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA « «< UPSTREAM ELEVATION(FEET) = 1081.00 DOWNSTREAM ELEVATION(FEET) = 1080.00 irr woe .r. STREET LENGTH(FEET) = 750.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 18.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK(FEET) = 10.00 - NTERIOR STREET CROSSFALL(DECIMAL) = .020 JTSIDE STREET CROSSFALL(DECIMAL) = .040 0. ..r SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVEL TIME COMPUTED USING MEAN FLOW(CFS) = 19.17 "" ** *STREET FLOWING FULL * ** STREET FLOW MODEL RESULTS: NOTE: STREET FLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREET FLOW RESULTS ARE BASED ON THE ASSUMPTION THAT NEGLIBLE FLOW OCCURS OUTSIDE OF THE STREET CHANNEL. OW THAT I8, ALL FLOW ALONG THE PARKWAY, ETC., IS NEGLECTED. STREET FLOW DEPTH(FEET) = .72 HALFSTREET FLOOD WIDTH(FEET) = 18.00 AVERAGE FLOW VELOCITY(FEET /SEC.) = 1.62 PRODUCT OF DEPTH&VELOCITY = 1.17 STREET FLOW TRAVEL TIME(MIN.) = 7.71 TC(MIN.) = 21.11 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.991 "'" SOIL CLASSIFICATION I8 "An RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 „ EFFECTIVE AREA(ACRES) = 10.00 AVERAGED Fm(INCH/HR) = .49 TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 19.17 END OF SUBAREA STREET FLOW HYDRAULICS: DEPTH(FEET) = .72 HALFSTREET FLOOD WIDTH(FEET) = 18.00 .w FLOW VELOCITY(FEET /SEC.) = 1.62 DEPTH *VELOCITY = 1.17 A s***************************************** * * * * * * * * * * * *** * * * * * * * * * * * * * ** ** £LOW PROCESS FROM NODE 551.00 TO NODE 551.10 I8 CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « « < °" 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.991 SOIL CLASSIFICATION IS "An - RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 Yaw SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 13.55 EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH/HR) = .485 TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 27.11 TC(MIN) = 21.11 • ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 551.10 TO NODE 552.10 IS CODE = 6 » » >COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA « «< UPSTREAM ELEVATION(FEET) = 1080.00 DOWNSTREAM ELEVATION(FEET) = 1067.00 STREET LENGTH(FEET) = 650.00 CURB HEIGTH(INCHES) = 8. are STREET HALFWIDTH(FEET) = 32.00 mg DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK(FEET) = 24.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 nUTSIDE STREET CROSSFALL(DECIMAL) = .040 " SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVEL TIME COMPUTED USING MEAN FLOW(CFS) = 27.11 STREET FLOW MODEL RESULTS: +.. STREET FLOW DEPTH(FEET) = .57 HALFSTREET FLOOD WIDTH(FEET) = 14.37 �•. AVERAGE FLOW VELOCITY(FEET /SEC.) = 4.75 PRODUCT OF DEPTH &VELOCITY = 2.68 "" ^TREET FLOW TRAVEL TIME(MIN.) = 2.28 TC(MIN.) = 23.40 "" 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.872 SOIL CLASSIFICATION I8 "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 "' EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH /HR) = .49 TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 27.11 END OF SUBAREA STREET FLOW HYDRAULICS: am DEPTH(FEET) = .57 HALFSTREET FLOOD WIDTH(FEET) = 14.37 FLOW VELOCITY(FEET /SEC.) = 4.75 DEPTH *VELOCITY = 2.68 aiV .,. ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 552.00 TO NODE 552.10 I8 CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.872 SOIL CLASSIFICATION IS "Au AGRICULTURE "ROWCROPB" SUBAREA LOSS RATE, Fm(INCH /HR) = .5900 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 23.08 • EFFECTIVE AREA(ACRES) = 40.00 AVERAGED Fm(INCH /HR) = .538 ,., TOTAL AREA(ACRES) = 40.00 PEAK FLOW RATE(CFS) = 48.04 TC(MIN) = 23.40 * :***************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ▪ a LOW PROCESS FROM NODE 552.10 TO NODE 553.10 IS CODE = 3 "di » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< » » >USING COMPUTER- ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « « < DEPTH OF FLOW IN 33.0 INCH PIPE I8 25.2 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 9.9 UPSTREAM NODE ELEVATION(FEET) = 1067.00 DOWNSTREAM NODE ELEVATION(FEET) = 1056.00 ., FLOW LENGTH(FEET) = 1100.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 33.00 NUMBER OF PIPES = 1 PIPE- FLOW(CFS) = 48.04 TRAVEL TIME(MIN.) = 1.86 TC(MIN.) = 25.26 alg ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * ** * ** FLOW PROCESS FROM NODE 553.00 TO NODE 553.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< gor 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.788 SOIL CLASSIFICATION I8 "A" err RESIDENTIAL -> 1 DWELLING /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .7760 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 36.43 w EFFECTIVE AREA(ACRES) = 80.00 AVERAGED Fm(INCH /HR) = .657 • TOTAL AREA(ACRES) = 80.00 .AR FLOW RATE(CFS) = 81.45 .C(MIN) = 25.26 ******************************** r**************** * * **r ** * * **** * * * * ** ** * **r*: ** ** am FLOW PROCESS FROM NODE 553.10 TO NODE 554.10 IS CODE = 3 004 » »COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< > »USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< irr :PTH OF FLOW IN 39.0 INCH PIPE IS 30.4 INCHES "' rIPE -FLOW VELOCITY(FEET /SEC.) = 11.8 or UPSTREAM NODE ELEVATION(FEET) = 1056.00 DOWNSTREAM NODE ELEVATION(FEET) = 1039.00 FLOW LENGTH(FEET) = 1500.00 MANNING'S N = .013 • ESTIMATED PIPE DIAMETER(INCH) = 39.00 NUMBER OF PIPES = 1 PIPE- FLOW(CFS) = 81.45 TRAVEL TIME(MIN.) = 2.13 TC(MIN.) = 27.38 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 554.00 TO NODE 554.10 I8 CODE = 8 > »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< wo 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.703 • SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 1 DWELLING /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .7760 rr SUBAREA AREA(ACRES) = 55.00 SUBAREA RUNOFF(CFS) = 45.90 EFFECTIVE AREA(ACRES) = 135.00 A. AVERAGED Fm(INCH /HR) = .705 , TOTAL AREA(ACRES) = 135.00 PEAK FLOW RATE(CFS) = 121.26 ,,., TC(MIN) = 27.38 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** •• "LOW PROCESS FROM NODE 554.10 TO NODE 555.10 I8 CODE = 3 • > »COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « « < > »USING COMPUTER- ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< DEPTH OF FLOW IN 48.0 INCH PIPE I8 34.3 INCHES me PIPE -FLOW VELOCITY(FEET /SEC.) = 12.6 UPSTREAM NODE ELEVATION(FEET) = 1039.00 ▪ DOWNSTREAM NODE ELEVATION(FEET) = 1011.00 „ FLOW LENGTH(FEET) = 2750.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 48.00 NUMBER OF PIPES = 1 ... PIPE - FLOW(CFS) = 121.26 TRAVEL TIME(MIN.) = 3.63 TC(MIN.) = 31.01 Iwo ... ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** .rr FLOW PROCESS FROM NODE 555.00 TO NODE 555.10 I8 CODE = 8 > »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.581 am SOIL CLASSIFICATION I8 "A" „„ RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = 98.00 SUBAREA RUNOFF(CFS) = 96.65 r• EFFECTIVE AREA(ACRES) = 233.00 AVERAGED Fm(INCH /HR) = .613 TOTAL AREA(ACRES) = 233.00 PEAK FLOW RATE(CFS) = 203.03 mC (MIN) = 31.01 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 555.10 TO NODE 555.11 IS CODE = 4 wi or » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< » » > USING USER- SPECIFIED PIPESIZE « «< DEPTH OF FLOW IN 72.0 INCH PIPE I8 38.9 INCHES ?PE -FLOW VELOCITY(FEET /SEC.) = 13.0 STREAM NODE ELEVATION(FEET) = 1011.00 ▪ DOWNSTREAM NODE ELEVATION(FEET) = 1005.00 al FLOW LENGTH(FEET) = 800.00 MANNING'B N = .013 GIVEN PIPE DIAMETER(INCH) = 72.00 NUMBER OF PIPES = 1 PIPE- FLOW(CFS) = 203.03 .. TRAVEL TIME(MIN.) = 1.02 TC(MIN.) = 32.03 is ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 556.00 TO NODE 556.10 I8 CODE = 2 or » » >RATIONAL METHOD INITIAL SUBAREA ANALYSIS « «< DEVELOPMENT I8 SINGLE FAMILY RESIDENTIAL -> 5 -7 DWELLINGS /ACRE TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW - LENGTH(FEET) = 850.00 4 " UPSTREAM ELEVATION(FEET) = 1087.00 DOWNSTREAM ELEVATION(FEET) = 1069.00 av ELEVATION DIFFERENCE(FEET) = 18.00 TC(MIN.) = .389 *[( 850.00 ** 3.00)/( 18.00)] ** .20 = 12.490 25 YEAR RAINFALL INTENBITY(INCH /HOUR) = 2.728 , SOIL CLASSIFICATION I8 HA" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 in SUBAREA RUNOFF(CFS) = 18.17 TOTAL AREA(ACRES) = 9.00 PEAK FLOW RATE(CFS) = 18.17 nrr .. **+****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 10W PROCESS FROM NODE 556.10 TO NODE 557.10 I8 CODE = 6 irr » » >COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA « «< .w UPSTREAM ELEVATION(FEET) = 1069.00 DOWNSTREAM ELEVATION(FEET) = 1066.00 STREET LENGTH(FEET) = 700.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 18.00 , DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK(FEET) = 10.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 ,.. OUTSIDE STREET CROSSFALL(DECIMAL) = .040 - SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVEL TIME COMPUTED USING MEAN FLOW(CFS) = 18.17 STREET FLOW MODEL RESULTS: NOTE: STREET FLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREET FLOW RESULTS ARE BASED ON THE ASSUMPTION THAT NEGLIBLE FLOW OCCURS OUTSIDE OF THE STREET CHANNEL. THAT I8, ALL FLOW ALONG THE PARKWAY, ETC., I8 NEGLECTED. STREET FLOW DEPTH(FEET) = .61 HALFSTREET FLOOD WIDTH(FEET) = 17.69 AVERAGE FLOW VELOCITY(FEET /SEC.) = 2.35 PRODUCT OF DEPTH &VELOCITY = 1.43 STREET FLOW TRAVEL TIME(MIN.) = 4.96 TC(MIN.) = 17.45 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.232 • QOIL CLASSIFICATION I8 "An ;SIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 • 00BAREA AREA(ACRES) .00 SUBAREA RUNOFF(CFS) = .00 EFFECTIVE AREA(ACRES) = 9.00 AVERAGED Fm(INCH/HR) = .49 TOTAL AREA(ACRES) = 9.00 PEAK FLOW RATE(CFS) = 18.17 END OF SUBAREA STREET FLOW HYDRAULICS: DEPTH(FEET) = .61 HALFSTREET FLOOD WIDTH(FEET) = 17.69 FLOW VELOCITY(FEET /SEC.) = 2.35 DEPTH *VELOCITY = 1.43 err * t+*********** *tkak****** *drt k******************************** * * *tk**#ttk***ak*ak*tk** OW PROCESS FROM NODE 557.00 TO NODE 557.10 I8 CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.232 °" SOIL CLASSIFICATION IS 1,A0 RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 SUBAREA AREA(ACRES) = 9.00 SUBAREA RUNOFF(CFS) = 14.15 EFFECTIVE AREA(ACRES) = 18.00 AVERAGED Fm(INCH /HR) = .485 am TOTAL AREA(ACRES) = 18.00 PEAK FLOW RATE(CFS) = 28.30 .. TC(MIN) = 17.45 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** "' FLOW PROCESS FROM NODE 557.10 TO NODE 558.10 I8 CODE = 6 " » » >COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA « «< "'" UPSTREAM ELEVATION(FEET) = 1066.00 DOWNSTREAM ELEVATION(FEET) = 1060.00 STREET LENGTH(FEET) = 550.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 20.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK(FEET) = 12.00 ... INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 )ECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVEL TIME COMPUTED USING MEAN FLOW(CFS) = 28.30 " STREET FLOW MODEL RESULTS: STREET FLOW DEPTH(FEET) = .63 HALFSTREET FLOOD WIDTH(FEET) = 17.38 AVERAGE FLOW VELOCITY(FEET /SEC.) = 3.72 PRODUCT OF DEPTH &VELOCITY = 2.32 STREET FLOW TRAVEL TIME(MIN.) = 2.47 TC(MIN.) = 19.92 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.062 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 •• EFFECTIVE AREA(ACRES) = 18.00 AVERAGED Fm(INCH/HR) = .49 TOTAL AREA(ACRES) = 18.00 PEAK FLOW RATE(CFS) = 28.30 'II END OF SUBAREA STREET FLOW HYDRAULICS: DEPTH(FEET) = .63 HALFSTREET FLOOD WIDTH(FEET) = 17.38 "", FLOW VELOCITY(FEET /SEC.) = 3.72 DEPTH *VELOCITY = 2.32 +rr ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 558.00 TO NODE 558.10 I8 CODE = 8 me » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< .er 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.062 g' ROIL CLASSIFICATION I8 ',All ;SIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 QOBAREA AREA(ACRES) = 18.00 SUBAREA RUNOFF(CFS) = 25.54 EFFECTIVE AREA(ACRES) = 36.00 mi AVERAGED Fm(INCH /HR) = .485 TOTAL AREA(ACRES) = 36.00 rrr Ins ON PEAR FLOW RATE(CFS) = 51.08 TC(MIN) = 19.92 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** :OW PROCESS FROM NODE 558.10 TO NODE 559.10 I8 CODE = 3 mm » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « « < mid » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< • DEPTH OF FLOW IN 33.0 INCH PIPE I8 23.8 INCHES • PIPE -FLOW VELOCITY(FEET /SEC.) = 11.2 UPSTREAM NODE ELEVATION(FEET) = 1060.00 mm DOWNSTREAM NODE ELEVATION(FEET) = 1045.00 FLOW LENGTH(FEET) = 1150.00 MANNING'S N = .013 or ESTIMATED PIPE DIAMETER(INCH) = 33.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 51.08 ... TRAVEL TIME(MIN.) = 1.72 TC(MIN.) = 21.64 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** "" FLOW PROCESS FROM NODE 559.00 TO NODE 559.10 I8 CODE = 8 mm » » >ADDITION OF SUBAREA TO MAINLINE PEAR FLOW « « < 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.962 4. SOIL CLASSIFICATION I8 "Au RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 SUBAREA AREA(ACRES) = 36.00 SUBAREA RUNOFF(CFS) = 47.85 EFFECTIVE AREA(ACRES) = 72.00 mid AVERAGED Fm(INCH /HR) = .485 TOTAL AREA(ACRES) = 72.00 #- 'SEAR FLOW RATE(CFS) = 95.70 :(MIN) = 21.64 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** mid FLOW PROCESS FROM NODE 559.10 TO NODE 560.10 I8 CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< » » >USING COMPUTER- ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< DEPTH OF FLOW IN 42.0 INCH PIPE IS 32.5 INCHES ▪ PIPE -FLOW VELOCITY(FEET /SEC.) = 12.0 UPSTREAM NODE ELEVATION(FEET) = 1045.00 v.. DOWNSTREAM NODE ELEVATION(FEET) = 1029.00 FLOW LENGTH(FEET) = 1500.00 MANNING'S N = .013 M. ESTIMATED PIPE DIAMETER(INCH) = 42.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 95.70 " TRAVEL TIME(MIN.) = 2.09 TC(MIN.) = 23.72 mm am ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 560.00 TO NODE 560.10 I8 CODE = 8 �+w » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< wr 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.856 ". SOIL CLASSIFICATION I8 "An RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 • RUBAREA AREA(ACRES) = 46.00 SUBAREA RUNOFF(CFS) = 56.78 'FECTIVE AREA(ACRES) = 118.00 "" £VERAGED Fm(INCH/HR) = .485 TOTAL AREA(ACRES) = 118.00 PEAK FLOW RATE(CFS) = 145.64 TC(MIN) = 23.72 mm or ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 560.10 TO NODE 561.10 I8 CODE = 3 rw »>COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< *" » »>USING COMPUTER- ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< ■ r DEPTH OF FLOW IN 51.0 INCH PIPE I8 39.6 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 12.3 4 " UPSTREAM NODE ELEVATION(FEET) = 1029.00 el DOWNSTREAM NODE ELEVATION(FEET) = 1005.00 FLOW LENGTH(FEET) = 2750.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 51.00 NUMBER OF PIPES = 1 PIPE- FLOW(CFS) = 145.64 . r TRAVEL TIME(MIN.) = 3.72 TC(MIN.) = 27.44 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** as FLOW PROCESS FROM NODE 561.00 TO NODE 561.10 I8 CODE = 8 "° » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< ""r 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.701 SOIL CLASSIFICATION I8 "An RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = 85.00 SUBAREA RUNOFF(CFS) = 93.03 EFFECTIVE AREA(ACRES) = 203.00 .�. AVERAGED Fm(INCH /HR) = .485 TOTAL AREA(ACRES) = 203.00 rr PEAK FLOW RATE(CFS) = 222.19 TC(MIN) = 27.44 .. ** ****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 561.10 TO NODE 561.11 I8 CODE = 5 » » >COMPUTE TRAPEZOIDAL - CHANNEL FLOW « «< » » > TRAVEL TIME THRU SUBAREA « «< UPSTREAM NODE ELEVATION(FEET) = 1005.00 a , DOWNSTREAM NODE ELEVATION(FEET) = 997.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 800.00 CHANNEL BASE(FEET) = 8.00 "Z" FACTOR = .000 MANNING'S FACTOR = .030 MAXIMUM DEPTH(FEET) = 6.00 do CHANNEL FLOW THRU SUBAREA(CFS) = 222.19 FLOW VELOCITY(FEET /SEC.) = 7.62 FLOW DEPTH(FEET) = 3.64 ... TRAVEL TIME(MIN.) = 1.75 TC(MIN.) = 29.19 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** '"" FLOW PROCESS FROM NODE 562.00 TO NODE 562.10 I8 CODE = 2 av » » >RATIONAL METHOD INITIAL SUBAREA ANALYSIS « «< IN DEVELOPMENT I8 SINGLE FAMILY RESIDENTIAL -> 5 -7 DWELLINGS /ACRE • TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW - LENGTH(FEET) = 900.00 ,,,. UPSTREAM ELEVATION(FEET) = 1073.00 DOWNSTREAM ELEVATION(FEET) = 1062.00 *r rLEVATION DIFFERENCE(FEET) = 11.00 = .389 *[( 900.00 ** 3.00)/( 11.00)] ** .20 = 14.263 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.519 SOIL CLASSIFICATION I8 "Au RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 SUBAREA RUNOFF(CFS) = 15.56 r�r ".r TOTAL AREA(ACRES) = 8.50 PEAK FLOW RATE(CFS) = 15.56 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** m FLOW PROCESS FROM NODE 562.10 TO NODE 563.10 I8 CODE = 6 *■ >» »COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA « «< IN UPSTREAM ELEVATION(FEET) = 1062.00 DOWNSTREAM ELEVATION(FEET) = 1060.00 STREET LENGTH(FEET) = 650.00 CURB HEIGTH(INCHES) = 6. " STREET HALFWIDTH(FEET) = 18.00 err DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK(FEET) = 10.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVEL TIME COMPUTED USING MEAN FLOW(CFS) = 15.56 STREET FLOW MODEL RESULTS: NOTE: STREET FLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREET FLOW RESULTS ARE BASED ON THE ASSUMPTION THAT NEGLIBLE FLOW OCCURS OUTSIDE OF THE STREET CHANNEL. THAT IS, ALL FLOW ALONG THE PARKWAY, ETC., I8 NEGLECTED. STREET FLOW DEPTH(FEET) = .61 "' HALFSTREET FLOOD WIDTH(FEET) = 17.69 AVERAGE FLOW VELOCITY(FEET /SEC.) = 2.01 PRODUCT OF DEPTH &VELOCITY = 1.23 STREET FLOW TRAVEL TIME(MIN.) = 5.38 TC(MIN.) = 19.64 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.079 SOIL CLASSIFICATION I8 "A" • PESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 )BAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 • J,FFECTIVE AREA(ACRES) = 8.50 AVERAGED Fm(INCH/HR) = .48 TOTAL AREA(ACRES) = 8.50 PEAK FLOW RATE(CFS) = 15.56 wai END OF SUBAREA STREET FLOW HYDRAULICS: DEPTH(FEET) = .61 HALFSTREET FLOOD WIDTH(FEET) = 17.69 "' FLOW VELOCITY(FEET /SEC.) = 2.01 DEPTH *VELOCITY = 1.23 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 563.00 TO NODE 563.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.079 .. SOIL CLASSIFICATION I8 "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 'r" SUBAREA AREA(ACRES) = 8.50 SUBAREA RUNOFF(CFS) = 12.19 EFFECTIVE AREA(ACRES) = 17.00 AVERAGED Fm(INCH/HR) = .485 TOTAL AREA(ACRES) = 17.00 PEAK FLOW RATE(CFS) = 24.39 TC(MIN) = 19.64 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 563.10 TO NODE 564.10 IS CODE = 6 » » > COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA « «< moo .,PSTREAM ELEVATION(FEET) = 1060.00 DOWNSTREAM ELEVATION(FEET) = 1045.00 STREET LENGTH(FEET) = 550.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 32.00 m DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK(FEET) = 24.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 ,.. OUTSIDE STREET CROSSFALL(DECIMAL) = .040 m ^VECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 `■ * *TRAVEL TIME COMPUTED USING MEAN FLOW(CFS) = 24.39 STREET FLOW MODEL RESULTS: STREET FLOW DEPTH(FEET) = .52 HALFSTREET FLOOD WIDTH(FEET) = 12.12 AVERAGE FLOW VELOCITY(FEET /SEC.) = 5.40 or PRODUCT OF DEPTH &VELOCITY = 2.81 STREET FLOW TRAVEL TIME(MIN.) = 1.70 TC(MIN.) = 21.34 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.978 * SOIL CLASSIFICATION I8 "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LO88 RATE, Fm(INCH/HR) = .4850 ,,, SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 EFFECTIVE AREA(ACRES) = 17.00 AVERAGED Fm(INCH/HR) = .48 m TOTAL AREA(ACRES) = 17.00 PEAK FLOW RATE(CFS) = 24.39 END OF SUBAREA STREET FLOW HYDRAULICS: ▪ DEPTH(FEET) = .52 HALFSTREET FLOOD WIDTH(FEET) = 12.12 rrr FLOW VELOCITY(FEET /SEC.) = 5.40 DEPTH *VELOCITY = 2.81 um ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 564.00 TO NODE 564.10 IS CODE = 8 » » > ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « « < ✓ 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.978 SOIL CLASSIFICATION I8 "A" ,. °ESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 TBAREA AREA(ACRES) = 17.00 SUBAREA RUNOFF(CFS) = 22.84 LFFECTIVE AREA(ACRES) = 34.00 AVERAGED Fm(INCH /HR) = .485 n o TOTAL AREA(ACRES) = 34.00 PEAK FLOW RATE(CFS) = 45.69 • TC(MIN) = 21.34 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 564.10 TO NODE 565.10 I8 CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< - » » > USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « « < m DEPTH OF FLOW IN 36.0 INCH PIPE I8 24.9 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 8.8 rr UPSTREAM NODE ELEVATION(FEET) = 1045.00 DOWNSTREAM NODE ELEVATION(FEET) = 1037.00 ▪ FLOW LENGTH(FEET) = 1100.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES = 1 In PIPE - FLOW(CFS) = 45.69 TRAVEL TIME(MIN.) = 2.09 TC(MIN.) = 23.44 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ,,,, FLOW PROCESS FROM NODE 565.00 TO NODE 565.10 I8 CODE = 8 +» »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.870 SOIL CLASSIFICATION IS "A" IN COMMERCIAL SUBAREA LOSS RATE, Fm(INCH /HR) = .0970 SUBAREA AREA(ACRES) = 33.00 SUBAREA RUNOFF(CFS) = 52.66 +r EFFECTIVE AREA(ACRES) = 67.00 AVERAGED Fm(INCH/HR) = .294 •• TOTAL AREA(ACRES) = 67.00 PEAK FLOW RATE(CFS) = 95.04 m^ (MIN) = 23.44 s• ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 565.10 TO NODE 566.10 I8 CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< DEPTH OF FLOW IN 42.0 INCH PIPE IB 31.2 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 12.4 +g UPSTREAM NODE ELEVATION(FEET) = 1037.00 DOWNSTREAM NODE ELEVATION(FEET) = 1018.00 ▪ FLOW LENGTH(FEET) = 1650.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 42.00 NUMBER OF PIPES = 1 PIPE- FLOW(CFS) = 95.04 TRAVEL TIME(MIN.) = 2.22 TC(MIN.) = 25.66 • ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 566.00 TO NODE 566.10 I8 CODE = 8 WIN ,,. » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.771 SOIL CLASSIFICATION I8 "A" m COMMERCIAL SUBAREA LOSS RATE, Fm(INCH/HR) = .0970 SUBAREA AREA(ACRES) = 47.00 SUBAREA RUNOFF(CFS) = 70.82 - z'FFECTIVE AREA(ACRES) = 114.00 'ERAGED Fm(INCH /HR) = .213 • TOTAL AREA(ACRES) = 114.00 PEAK FLOW RATE(CFS) = 159.90 "' TC(MIN) = 25.66 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 566.10 TO NODE 567.10 I8 CODE = 3 trig » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< - » » >USING COMPUTER- ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< u- DEPTH OF FLOW IN 51.0 INCH PIPE IB 41.8 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 12.9 +• UPSTREAM NODE ELEVATION(FEET) = 1018.00 DOWNSTREAM NODE ELEVATION(FEET) = 992.00 ` FLOW LENGTH(FEET) = 2750.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 51.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 159.90 TRAVEL TIME(MIN.) = 3.56 TC(MIN.) = 29.22 im min ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** +w FLOW PROCESS FROM NODE 567.00 TO NODE 567.10 I8 CODE = 8 • » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.638 IL CLASSIFICATION IS "An .:OMMERCIAL SUBAREA LOSS RATE, Fm(INCH/HR) = .0970 SUBAREA AREA(ACRES) = 85.00 SUBAREA RUNOFF(CFS) = 117.90 EFFECTIVE AREA(ACRES) = 199.00 AVERAGED Fm(INCH /HR) = .163 r. TOTAL AREA(ACRES) = 199.00 PEAK FLOW RATE(CFS) = 264.16 TC(MIN) = 29.22 * +***************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** "' r PROCESS FROM NODE 567.10 TO NODE 567.11 I8 CODE = 4 * » » >COMPUTE PIPE —FLOW TRAVEL TIME THRU SUBAREA ««< » »SING USER— SPECIFIED PIPESIZE « «< DEPTH OF FLOW IN 72.0 INCH PIPE IS 43.5 INCHES PIPE —FLOW VELOCITY(FEET /SEC.) = 14.8 UPSTREAM NODE ELEVATION(FEET) = 992.00 DOWNSTREAM NODE ELEVATION(FEET) = 980.00 or FLOW LENGTH(FEET) = 1350.00 MANNING'S N = .013 GIVEN PIPE DIAMETER(INCH) = 72.00 NUMBER OF PIPES = 1 s.. PIPE — FLOW(CFS) = 264.16 TRAVEL TIME(MIN.) = 1.52 TC(MIN.) = 30.74 r END OF STUDY SUMMARY: °" TOTAL AREA(ACRES) = 199.00 TC(MIN.) = 30.74 EFFECTIVE AREA(ACRES) = 199.00 AVERAGED Fm(INCH /HR)= .16 PEAK FLOW RATE(CFS) = 264.16 air END OF RATIONAL METHOD ANALYSIS rr air moo err r gor rr rir r Mit ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE (Reference: 1986 SAN BERNARDINO CO. HYDROLOGY CRITERION) (c) Copyright 1983 -88 Advanced Engineering Software (aes) Ver. 5.2A Release Date: 7/08/88 Serial # 2929 Analysis prepared by: HALL & FOREMAN INC., 3170 REDHILL AVE., COSTA MESA, CA,92626 13 MARCH 1989, VERS. 5.2A 08 -15 -88 AUTHORIZATION CODE 136020001 * * * * * * * * * * * * * * * * * * * * * * * * ** DESCRIPTION OF STUDY * * * * * * * * * * * * * * * * * * * * * * * * ** .., * S. FONTANA MASTER S.D. PLAN: LINES DZ- 8,9,10 FOR 100 -YR. STORM. * NOT DESIGN Q. LINES RUN SOUTH OF I -10 FWY. TO DECLEZ CHANNEL. * T. ARROYO, 1/24/90. * ******************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FILE NAME: SFONTD8.100 "lla TIME /DATE OF STUDY: 17: 5 1/24/1990 46. USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: mfir -- *TIME -OF- CONCENTRATION MODEL * -- ... USER SPECIFIED STORM EVENT(YEAR) = 100.00 .r SPECIFIED MINIMUM PIPE SIZE(INCH) = 18.00 SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE = .95 .a. *USER- DEFINED LOGARITHMIC INTERPOLATION USED FOR RAINFALL* )-YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = .910 «rr 4.00 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.350 COMPUTED RAINFALL INTENSITY DATA: ■- STORM EVENT = 100.00 1 -HOUR INTENSITY(INCH /HOUR) = 1.3500 SLOPE OF INTENSITY DURATION CURVE = .6000 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 550.00 TO NODE 550.10 IS CODE = 2 » » > RATIONAL METHOD INITIAL SUBAREA ANALYSIS « «< AM DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 5 -7 DWELLINGS /ACRE •.. TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW - LENGTH(FEET) = 900.00 91 " UPSTREAM ELEVATION(FEET) = 1096.00 DOWNSTREAM ELEVATION(FEET) = 1081.00 '" ELEVATION DIFFERENCE(FEET) = 15.00 TC(MIN.) = .389 *[( 900.00 ** 3.00)/( 15.00)] ** .20 = 13.405 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.318 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 dig SUBAREA RUNOFF(CFS) = 25.50 TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 25.50 + l********************************************* * * * * * * ** * * * * * * * * * * * * * * * * * * * * * ** ,OW PROCESS FROM NODE 550.10 TO NODE 551.10 IS CODE = 6 » » >COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA « « < „�, UPSTREAM ELEVATION(FEET) = 1081.00 DOWNSTREAM ELEVATION(FEET) = 1080.00 +w STREET LENGTH(FEET) = 750.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 18.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK(FEET) = 10.00 " - NTERIOR STREET CROSSFALL(DECIMAL) = .020 ;TBIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVEL TIME COMPUTED USING MEAN FLOW(CFS) = 25.50 ** *STREET FLOWING FULL * ** me STREET FLOW MODEL RESULTS: NOTE: STREET FLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREET FLOW RESULTS ARE BASED ON THE ASSUMPTION THAT NEGLIBLE FLOW OCCURS OUTSIDE OF THE STREET CHANNEL. THAT I8, ALL FLOW ALONG THE PARKWAY, ETC., I8 NEGLECTED. STREET FLOW DEPTH(FEET) = .78 HALFSTREET FLOOD WIDTH(FEET) = 18.00 AVERAGE FLOW VELOCITY(FEET /SEC.) = 1.83 PRODUCT OF DEPTH &VELOCITY = 1.43 STREET FLOW TRAVEL TIME(MIN.) = 6.83 TC(MIN.) = 20.23 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.592 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 ,,,„, EFFECTIVE AREA(ACRES) = 10.00 AVERAGED Fm(INCH/HR) = .49 TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 25.50 END OF SUBAREA STREET FLOW HYDRAULICS: DEPTH(FEET) = .78 HALFSTREET FLOOD WIDTH(FEET) = 18.00 FLOW VELOCITY(FEET /SEC.) = 1.83 DEPTH *VELOCITY = 1.43 * :***************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** °°' FLOW PROCESS FROM NODE 551.00 TO NODE 551.10 I8 CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.592 SOIL CLASSIFICATION IB 'A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 18.96 EFFECTIVE AREA(ACRES) = 20.00 .- AVERAGED Fm(INCH/HR) = .485 TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 37.92 TC(MIN) = 20.23 00 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 551.10 TO NODE 552.10 I8 CODE = 6 „ » » >COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA « «< . UPSTREAM ELEVATION(FEET) = 1080.00 DOWNSTREAM ELEVATION(FEET) = 1067.00 STREET LENGTH(FEET) = 650.00 CURB HEIGTH(INCHES) = 8. Al STREET HALFWIDTH(FEET) = 32.00 ... DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK(FEET) = 24.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 " ^JTSIDE STREET CROSSFALL(DECIMAL) = .040 "" SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVEL TIME COMPUTED USING MEAN FLOW(CFS) = 37.92 STREET FLOW MODEL RESULTS: STREET FLOW DEPTH(FEET) = .63 HALFSTREET FLOOD WIDTH(FEET) = 17.37 AVERAGE FLOW VELOCITY(FEET /SEC.) = 4.98 PRODUCT OF DEPTH &VELOCITY = 3.12 ^TREET FLOW TRAVEL TIME(MIN.) = 2.18 TC(MIN.) = 22.41 co* 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.438 SOIL CLASSIFICATION IS NO m ` f RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 °I EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH /HR) = .49 ems TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 37.92 END OF SUBAREA STREET FLOW HYDRAULICS: DEPTH(FEET) = .63 HALFSTREET FLOOD WIDTH(FEET) = 17.37 FLOW VELOCITY(FEET /SEC.) = 4.98 DEPTH *VELOCITY = 3.12 • ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 552.00 TO NODE 552.10 I8 CODE = 8 ar » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.438 "` SOIL CLASSIFICATION IS "A" AGRICULTURE r "ROWCROPS" SUBAREA LOSS RATE, Fm(INCH /HR) = .5900 '° SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 33.26 EFFECTIVE AREA(ACRES) = 40.00 AVERAGED Fm(INCH /HR) = .538 TOTAL AREA(ACRES) = 40.00 PEAK FLOW RATE(CFS) = 68.40 - TC(MIN) = 22.41 * ***************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** • ELOW PROCESS FROM NODE 552.10 TO NODE 553.10 I8 CODE = 3 - » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< ... » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< DEPTH OF FLOW IN 39.0 INCH PIPE I8 27.6 INCHES - PIPE -FLOW VELOCITY(FEET /SEC.) = 10.9 UPSTREAM NODE ELEVATION(FEET) = 1067.00 DOWNSTREAM NODE ELEVATION(FEET) = 1056.00 ,�. FLOW LENGTH(FEET) = 1100.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 39.00 NUMBER OF PIPES = 1 • PIPE- FLOW(CFS) = 68.40 TRAVEL TIME(MIN.) = 1.68 TC(MIN.) = 24.09 + rrr********************************************* * * * * * * * * * * * * * * * * * * * * * ** * * * ** * ** FLOW PROCESS FROM NODE 553.00 TO NODE 553.10 I8 CODE = 8 rr » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.334 SOIL CLASSIFICATION IS "A" rro RESIDENTIAL -> 1 DWELLING /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .7760 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 56.09 ... EFFECTIVE AREA(ACRES) = 80.00 AVERAGED Fm(INCH /HR) = .657 a' TOTAL AREA(ACRES) = 80.00 AK FLOW RATE(CFS) = 120.76 "" iC(MIN) = 24.09 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** das • FLOW PROCESS FROM NODE 553.10 TO NODE 554.10 I8 CODE = 3 ,.. » »>COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « <« » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< .PTH OF FLOW IN 45.0 INCH PIPE I8 35.4 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 12.9 UPSTREAM NODE ELEVATION(FEET) = 1056.00 DOWNSTREAM NODE ELEVATION(FEET) = 1039.00 FLOW LENGTH(FEET) = 1500.00 MANNING'S N = .013 "" ESTIMATED PIPE DIAMETER(INCH) = 45.00 NUMBER OF PIPES = 1 PIPE- FLOW(CFS) = 120.76 Ami TRAVEL TIME(MIN.) = 1.93 TC(MIN.) = 26.03 ✓ ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 554.00 TO NODE 554.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.228 '""' SOIL CLASSIFICATION I8 "A" RESIDENTIAL -> 1 DWELLING /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .7760 SUBAREA AREA(ACRES) = 55.00 SUBAREA RUNOFF(CFS) = 71.89 EFFECTIVE AREA(ACRES) = 135.00 AVERAGED Fm(INCH/HR) = .705 TOTAL AREA(ACRES) = 135.00 PEAK FLOW RATE(CFS) = 185.05 - TC(MIN) = 26.03 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** -- - LOW PROCESS FROM NODE 554.10 TO NODE 555.10 I8 CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< DEPTH OF FLOW IN 54.0 INCH PIPE I8 42.3 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 13.8 UPSTREAM NODE ELEVATION(FEET) = 1039.00 DOWNSTREAM NODE ELEVATION(FEET) = 1011.00 FLOW LENGTH(FEET) = 2750.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 54.00 NUMBER OF PIPES = 1 - PIPE - FLOW(CFS) = 185.05 TRAVEL TIME(MIN.) = 3.31 TC(MIN.) = 29.34 - ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 555.00 TO NODE 555.10 I8 CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.074 BOIL CLASSIFICATION I8 "An RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOBS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = 98.00 SUBAREA RUNOFF(CFS) = 140.14 es EFFECTIVE AREA(ACRES) = 233.00 AVERAGED Fm(INCH/HR) = .613 TOTAL AREA(ACRES) = 233.00 PEAK FLOW RATE(CFS) = 306.42 "'' '"C (MIN) = 29.34 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 555.10 TO NODE 555.11 I8 CODE = 4 ,.„ » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< » » > USING USER- SPECIFIED PIPESIZE « «< DEPTH OF FLOW IN 72.0 INCH PIPE IS 51.3 INCHES ++m ^IPE -FLOW VELOCITY(FEET /SEC.) = 14.2 ?STREAM NODE ELEVATION(FEET) = 1011.00 .. DOWNSTREAM NODE ELEVATION(FEET) = 1005.00 FLOW LENGTH(FEET) = 800.00 MANNING "S N = .013 " GIVEN PIPE DIAMETER(INCH) = 72.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 306.42 '" TRAVEL TIME(MIN.) = .94 TC(MIN.) = 30.27 irr ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 556.00 TO NODE 556.10 I8 CODE = 2 dl » » >RATIONAL METHOD INITIAL SUBAREA ANALYSIS « «< DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 5 -7 DWELLINGS /ACRE +r TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW- LENGTH(FEET) = 850.00 .. UPSTREAM ELEVATION(FEET) = 1087.00 DOWNSTREAM ELEVATION(FEET) = 1069.00 "'" ELEVATION DIFFERENCE(FEET) = 18.00 TC(MIN.) = .389 *[( 850.00 ** 3.00)/( 18.00)] ** .20 = 12.490 "" 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.462 AN SOIL CLASSIFICATION I8 " "A "" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA RUNOFF(CFS) = 24.11 TOTAL AREA(ACRES) = 9.00 PEAR FLOW RATE(CFS) = 24.11 .. **4 ****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** AM PROCESS FROM NODE 556.10 TO NODE 557.10 I8 CODE = 6 roe » » >COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA « «< UPSTREAM ELEVATION(FEET) = 1069.00 DOWNSTREAM ELEVATION(FEET) = 1066.00 "' STREET LENGTH(FEET) = 700.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 18.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK(FEET) = 10.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 ... SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 ... * *TRAVEL TIME COMPUTED USING MEAN FLOW(CFS) = 24.11 ** *STREET FLOWING FULL * ** STREET FLOW MODEL RESULTS: NOTE: STREET FLOW EXCEEDS TOP OF CURB. - THE FOLLOWING STREET FLOW RESULTS ARE BASED ON THE ASSUMPTION THAT NEGLIBLE FLOW OCCURS OUTSIDE OF THE STREET CHANNEL. ` THAT IS, ALL FLOW ALONG THE PARKWAY, ETC., I8 NEGLECTED. STREET FLOW DEPTH(FEET) = .65 HALFSTREET FLOOD WIDTH(FEET) = 18.00 „r AVERAGE FLOW VELOCITY(FEET /SEC.) = 2.68 PRODUCT OF DEPTH &VELOCITY = 1.73 ,, STREET FLOW TRAVEL TIME(MIN.) = 4.36 TC(MIN.) = 16.85 0 + 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.893 IL CLASSIFICATION I8 " "A "" 0 SIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) _ .00 's EFFECTIVE AREA(ACRES) = 9.00 AVERAGED Fm(INCH /HR) = .49 TOTAL AREA(ACRES) = 9.00 PEAK FLOW RATE(CFS) = 24.11 • ow END OF SUBAREA STREET FLOW HYDRAULICS: DEPTH(FEET) = .65 HALFSTREET FLOOD WIDTH(FEET) = 18.00 ... FLOW VELOCITY(FEET /SEC.) = 2.68 DEPTH *VELOCITY = 1.73 wr * ***************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** "" FLOW PROCESS FROM NODE 557.00 TO NODE 557.10 IS CODE = 8 " » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.893 ,*„ SOIL CLASSIFICATION I8 IA" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 ,,, SUBAREA AREA(ACRES) = 9.00 SUBAREA RUNOFF(CFS) = 19.50 EFFECTIVE AREA(ACRES) = 18.00 rr. AVERAGED Fm(INCH/HR) = .485 TOTAL AREA(ACRES) = 18.00 .,. PEAK FLOW RATE(CFS) = 39.01 TC(MIN) = 16.85 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ow FLOW PROCESS FROM NODE 557.10 TO NODE 558.10 I8 CODE = 6 » » >COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA « «< UPSTREAM ELEVATION(FEET) = 1066.00 DOWNSTREAM ELEVATION(FEET) = 1060.00 STREET LENGTH(FEET) = 550.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 20.00 +w DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK(FEET) = 12.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 �• ^UTSIDE STREET CROSSFALL(DECIMAL) = .040 bPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVEL TIME COMPUTED USING MEAN FLOW(CFS) = 39.01 ** *STREET FLOWING FULL * ** STREET FLOW MODEL RESULTS: NOTE: STREET FLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREET FLOW RESULTS ARE BASED ON THE ASSUMPTION THAT NEGLIBLE FLOW OCCURS OUTSIDE OF THE STREET CHANNEL. THAT IS, ALL FLOW ALONG THE PARKWAY, ETC., I8 NEGLECTED. STREET FLOW DEPTH(FEET) = .69 HALFSTREET FLOOD WIDTH(FEET) = 20.00 ,. AVERAGE FLOW VELOCITY(FEET /SEC.) = 3.91 PRODUCT OF DEPTH&VELOCITY = 2.69 ow STREET FLOW TRAVEL TIME(MIN.) = 2.34 TC(MIN.) = 19.19 w "' 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.675 SOIL CLASSIFICATION I8 ”Au 'mu RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 EFFECTIVE AREA(ACRES) = 18.00 AVERAGED Fm(INCH /HR) = .49 TOTAL AREA(ACRES) = 18.00 PEAK FLOW RATE(CFS) = 39.01 END OF SUBAREA STREET FLOW HYDRAULICS: DEPTH(FEET) = .69 HALFSTREET FLOOD WIDTH(FEET) = 20.00 FLOW VELOCITY(FEET /SEC.) = 3.91 DEPTH *VELOCITY = 2.69 air ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** AN PROCESS FROM NODE 558.00 TO NODE 558.10 I8 CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.675 SOIL CLASSIFICATION I8 "An RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 we SUBAREA AREA(ACRES) = 18.00 SUBAREA RUNOFF(CFS) = 35.48 EFFECTIVE AREA(ACRES) = 36.00 ''TERAGED Fm(INCH/HR) = .485 MAL AREA(ACRES) = 36.00 *■ PEAK FLOW RATE(CFS) = 70.97 TC(MIN) = 19.19 rrr ^® ***************************** * * * * ** ** * * *** * * *** * * * * ** ** * * * ** *fir *** * * #*** * * *#t* ese FLOW PROCESS FROM NODE 558.10 TO NODE 559.10 I8 CODE = 3 » PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< Nee » » >USING COMPUTER- ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< DEPTH OF FLOW IN 36.0 INCH PIPE I8 28.2 INCHES • PIPE -FLOW VELOCITY(FEET /SEC.) = 12.0 UPSTREAM NODE ELEVATION(FEET) = 1060.00 r DOWNSTREAM NODE ELEVATION(FEET) = 1045.00 FLOW LENGTH(FEET) = 1150.00 MANNING'S N = .013 wo ESTIMATED PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES = 1 PIPE- FLOW(CFS) = 70.97 TRAVEL TIME(MIN.) = 1.60 TC(MIN.) = 20.79 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 559.00 TO NODE 559.10 IS CODE = 8 we » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< +r 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.550 - "11L CLASSIFICATION I8 HA'' ;SIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 - SUBAREA AREA(ACRES) = 36.00 SUBAREA RUNOFF(CFS) = 66.89 EFFECTIVE AREA(ACRES) = 72.00 w. AVERAGED Fm(INCH /HR) = .485 TOTAL AREA(ACRES) = 72.00 PEAK FLOW RATE(CFS) = 133.79 TC(MIN) = 20.79 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 559.10 TO NODE 560.10 I8 CODE = 3 ... » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< me DEPTH OF FLOW IN 48.0 INCH PIPE I8 36.5 INCHES "" PIPE -FLOW VELOCITY(FEET /SEC.) = 13.1 UPSTREAM NODE ELEVATION(FEET) = 1045.00 • DOWNSTREAM NODE ELEVATION(FEET) = 1029.00 FLOW LENGTH(FEET) = 1500.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 48.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 133.79 TRAVEL TIME(MIN.) = 1.91 TC(MIN.) = 22.71 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 560.00 TO NODE 560.10 I8 CODE = 8 eie »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.418 • SOIL CLASSIFICATION I8 "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 Amp a. SUBAREA AREA(ACRES) = 46.00 SUBAREA RUNOFF(CFS) = 80.04 EFFECTIVE AREA(ACRES) = 118.00 .., AVERAGED Fm(INCH/HR) = .485 TOTAL AREA(ACRES) = 118.00 .■ ' AK FLOW RATE(CFS) = 205.33 (MIN) = 22.71 6 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 560.10 TO NODE 561.10 IS CODE = 3 » »>COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< » »>USING COMPUTER- ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< DEPTH OF FLOW IN 57.0 INCH PIPE I8 46.3 INCHES .r PIPE -FLOW VELOCITY(FEET /SEC.) = 13.3 UPSTREAM NODE ELEVATION(FEET) = 1029.00 .. DOWNSTREAM NODE ELEVATION(FEET) = 1005.00 FLOW LENGTH(FEET) = 2750.00 MANNING'S N = .013 • ESTIMATED PIPE DIAMETER(INCH) = 57.00 NUMBER OF PIPES = 1 PIPE- FLOW(CFS) = 205.33 .. TRAVEL TIME(MIN.) = 3.44 TC(MIN.) = 26.15 r ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 4" FLOW PROCESS FROM NODE 561.00 TO NODE 561.10 I8 CODE = 8 wr » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.222 wo SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 ... "UBAREA AREA(ACRES) = 85.00 SUBAREA RUNOFF(CFS) = 132.87 'FECTIVE AREA(ACRES) = 203.00 ow AVERAGED Fm(INCH/HR) = .485 TOTAL AREA(ACRES) = 203.00 - PEAK FLOW RATE(CFS) = 317.34 ow TC(MIN) = 26.15 --********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 561.10 TO NODE 561.11 I8 CODE = 5 - » »>COMPUTE TRAPEZOIDAL - CHANNEL FLOW « «< » »> TRAVEL TIME THRU SUBAREA « « < ow UPSTREAM NODE ELEVATION(FEET) = 1005.00 ""• DOWNSTREAM NODE ELEVATION(FEET) = 997.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 800.00 " CHANNEL BASE(FEET) = 8.00 "Z" FACTOR = .000 MANNING'S FACTOR = .030 MAXIMUM DEPTH(FEET) = 6.00 "• CHANNEL FLOW THRU SUBAREA(CFS) = 317.34 FLOW VELOCITY(FEET /SEC.) = 8.31 FLOW DEPTH(FEET) = 4.77 TRAVEL TIME(MIN.) = 1.60 TC(MIN.) = 27.76 mr********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 562.00 TO NODE 562.10 I8 CODE = 2 » »>RATIONAL METHOD INITIAL SUBAREA ANALYSIS « «< as VELOPMENT I8 SINGLE FAMILY RESIDENTIAL -> 5 -7 DWELLINGS /ACRE "" •rC = K*[(LENGTH** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW - LENGTH(FEET) = 900.00 UPSTREAM ELEVATION(FEET) = 1073.00 DOWNSTREAM ELEVATION(FEET) = 1062.00 arw ELEVATION DIFFERENCE(FEET) = 11.00 TC(MIN.) = .389 *[( 900.00 ** 3.00)/( 11.00)] ** .20 = 14.263 .. 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.197 SOIL CLASSIFICATION I8 "An • - 1SIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 'BAREA RUNOFF(CFS) = 20.74 • TOTAL AREA(ACRES) = 8.50 PEAK FLOW RATE(CFS) = 20.74 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** "" FLOW PROCESS FROM NODE 562.10 TO NODE 563.10 I8 CODE = 6 » » >COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA « «< UPSTREAM ELEVATION(FEET) = 1062.00 DOWNSTREAM ELEVATION(FEET) = 1060.00 ✓ STREET LENGTH(FEET) = 650.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 18.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK(FEET) = 10.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVEL TIME COMPUTED USING MEAN FLOW(CFS) = 20.74 "" ** *STREET FLOWING FULL * ** AVS STREET FLOW MODEL RESULTS: NOTE: STREET FLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREET FLOW RESULTS ARE BASED ON THE ASSUMPTION THAT NEGLIBLE FLOW OCCURS OUTSIDE OF THE STREET CHANNEL. ate THAT IS, ALL FLOW ALONG THE PARKWAY, ETC., IS NEGLECTED. STREET FLOW DEPTH(FEET) = .67 '." HALFSTREET FLOOD WIDTH(FEET) = 18.00 AVERAGE FLOW VELOCITY(FEET /SEC.) = 2.14 PRODUCT OF DEPTH &VELOCITY = 1.42 STREET FLOW TRAVEL TIME(MIN.) = 5.07 TC(MIN.) = 19.33 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.663 SOIL CLASSIFICATION I8 "An RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 aw EFFECTIVE AREA(ACRES) = 8.50 AVERAGED Fm(INCH /HR) = .48 TOTAL AREA(ACRES) = 8.50 PEAK FLOW RATE(CFS) = 20.74 END OF SUBAREA STREET FLOW HYDRAULICS: DEPTH(FEET) = .67 HALFSTREET FLOOD WIDTH(FEET) = 18.00 w++ FLOW VELOCITY(FEET /SEC.) = 2.14 DEPTH *VELOCITY = 1.42 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 563.00 TO NODE 563.10 IB CODE = 8 "" » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< mg 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.663 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 AO SUBAREA AREA(ACRES) = 8.50 SUBAREA RUNOFF(CFS) = 16.66 EFFECTIVE AREA(ACRES) = 17.00 .■, AVERAGED Fm(INCH /HR) = .485 TOTAL AREA(ACRES) = 17.00 • l'EAK FLOW RATE(CFS) = 33.33 :(MIN) = 19.33 61 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 563.10 TO NODE 564.10 I8 CODE = 6 awe ww ww » »>COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA « «< UPSTREAM ELEVATION(FEET) = 1060.00 DOWNSTREAM ELEVATION(FEET) = 1045.00 "■' ^TREET LENGTH(FEET) = 550.00 CURB HEIGTH(INCHES) = 8. 'BEET HALFWIDTH(FEET) = 32.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK(FEET) = 24.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROBSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVEL TIME COMPUTED USING MEAN FLOW(CFS) = 33.33 ow STREET FLOW MODEL RESULTS: STREET FLOW DEPTH(FEET) = .58 HALFSTREET FLOOD WIDTH(FEET) = 15.12 ... AVERAGE FLOW VELOCITY(FEET /SEC.) = 5.42 PRODUCT OF DEPTH &VELOCITY = 3.15 *IN STREET FLOW TRAVEL TIME(MIN.) = 1.69 TC(MIN.) = 21.03 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.533 SOIL CLASSIFICATION I8 "An or RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 EFFECTIVE AREA(ACRES) = 17.00 AVERAGED Fm(INCH/HR) = .48 TOTAL AREA(ACRES) = 17.00 PEAK FLOW RATE(CFS) = 33.33 END OF SUBAREA STREET FLOW HYDRAULICS: DEPTH(FEET) = .58 HALFSTREET FLOOD WIDTH(FEET) = 15.12 FLOW VELOCITY(FEET /SEC.) = 5.42 DEPTH *VELOCITY = 3.15 an ... **+****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ,OW PROCESS FROM NODE 564.00 TO NODE 564.10 I8 CODE = 8 ow » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< ow r 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.533 SOIL CLASSIFICATION IS "An RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = 17.00 SUBAREA RUNOFF(CFS) = 31.33 ,,.,, EFFECTIVE AREA(ACRES) = 34.00 AVERAGED Fm(INCH/HR) = .485 woo TOTAL AREA(ACRES) = 34.00 PEAK FLOW RATE(CFS) = 62.66 +w TC(MIN) = 21.03 MPS ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ' 11. FLOW PROCESS FROM NODE 564.10 TO NODE 565.10 IS CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< » » > USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< DEPTH OF FLOW IN 39.0 INCH PIPE I8 29.3 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 9.4 «�r UPSTREAM NODE ELEVATION(FEET) = 1045.00 DOWNSTREAM NODE ELEVATION(FEET) = 1037.00 o FLOW LENGTH(FEET) = 1100.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 39.00 NUMBER OF PIPES = 1 4111 VtPE- FLOW(CFS) = 62.66 AVEL TIME(MIN.) = 1.95 TC(MIN.) = 22.98 goo ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 565.00 TO NODE 565.10 I8 CODE = 8 ow » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.401 "1IL CLASSIFICATION I8 "A" MMERCIAL SUBAREA LOSS RATE, Fm(INCH /HR) = .0970 SUBAREA AREA(ACRES) = 33.00 SUBAREA RUNOFF(CFS) = 68.43 EFFECTIVE AREA(ACRES) = 67.00 ' AVERAGED Fm(INCH/HR) = .294 TOTAL AREA(ACRES) = 67.00 "" PEAK FLOW RATE(CFS) = 127.06 • TC(MIN) = 22.98 "." ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ",,, FLOW PROCESS FROM NODE 565.10 TO NODE 566.10 I8 CODE = 3 ,., > »COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< » »USING COMPUTER- ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< wir DEPTH OF FLOW IN 48.0 INCH PIPE I8 33.9 INCHES *+� PIPE -FLOW VELOCITY(FEET /SEC.) = 13.4 UPSTREAM NODE ELEVATION(FEET) = 1037.00 " DOWNSTREAM NODE ELEVATION(FEET) = 1018.00 FLOW LENGTH(FEET) = 1650.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 48.00 NUMBER OF PIPES = 1 PIPE- FLOW(CFS) = 127.06 oro TRAVEL TIME(MIN.) = 2.05 TC(MIN.) = 25.03 me aY1 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 566.00 TO NODE 566.10 I8 CODE = 8 »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.281 -■ SOIL CLASSIFICATION I8 'A" COMMERCIAL SUBAREA LO88 RATE, Fm(INCH /HR) = .0970 °" SUBAREA AREA(ACRES) = 47.00 SUBAREA RUNOFF(CFS) = 92.38 EFFECTIVE AREA(ACRES) = 114.00 ' AVERAGED Fm(INCH /HR) = .213 TOTAL AREA(ACRES) = 114.00 PEAK FLOW RATE(CFS) = 212.21 - TC(MIN) = 25.03 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 566.10 TO NODE 567.10 IS CODE = 3 40 " » »COMPUTE PIPE -FLOW TRAVEL TIME THRII SUBAREA « «< » »SING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< mg DEPTH OF FLOW IN 57.0 INCH PIPE I8 46.0 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 13.8 UPSTREAM NODE ELEVATION(FEET) = 1018.00 mi DOWNSTREAM NODE ELEVATION(FEET) = 992.00 "w FLOW LENGTH(FEET) = 2750.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 57.00 NUMBER OF PIPES = 1 PIPE- FLOW(CFS) = 212.21 TRAVEL TIME(MIN.) = 3.31 TC(MIN.) = 28.34 "..** x****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** err FLOW PROCESS FROM NODE 567.00 TO NODE 567.10 I8 CODE = 8 » »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< +rr 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.117 .. SOIL CLASSIFICATION I8 HA" COMMERCIAL SUBAREA LOSS RATE, Fm(INCH /HR) = .0970 • ^TBAREA AREA(ACRES) = 85.00 SUBAREA RUNOFF(CFS) = 154.55 FECTIVE AREA(ACRES) = 199.00 - � AVERAGED Fm(INCH /HR) = .163 TOTAL AREA(ACRES) = 199.00 41" PEAK FLOW RATE(CFS) = 349.95 TC(MIN) = 28.34 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** my FLOW PROCESS FROM NODE 567.10 TO NODE 567.11 I8 CODE = 4 • » » >COMPUTE PIPE —FLOW TRAVEL TIME THRU SUBAREA « «< » »SING USER— SPECIFIED PIPESIZE « «< my DEPTH OF FLOW IN 72.0 INCH PIPE I8 53.4 INCHES 111 PIPE —FLOW VELOCITY(FEET /SEC.) = 15.6 UPSTREAM NODE ELEVATION(FEET) = 992.00 4M DOWNSTREAM NODE ELEVATION(FEET) = 980.00 FLOW LENGTH(FEET) = 1350.00 MANNING'S N = .013 41'" GIVEN PIPE DIAMETER(INCH) = 72.00 NUMBER OF PIPES = 1 PIPE— FLOW(CFS) = 349.95 I ' m TRAVEL TIME(MIN.) = 1.44 TC(MIN.) = 29.79 END OF STUDY SUMMARY: mm TOTAL AREA(ACRES) = 199.00 TC(MIN.) = 29.79 EFFECTIVE AREA(ACRES) = 199.00 AVERAGED Fm(INCH /HR)= .16 qrr PEAK FLOW RATE(CFS) = 349.95 D OF RATIONAL METHOD ANALYSIS air mu ww MO ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE (Reference: 1986 SAN BERNARDINO CO. HYDROLOGY CRITERION) ".4 (c) Copyright 1983 -88 Advanced Engineering Software (aes) Ver. 5.2A Release Date: 7/08/88 Serial # 2929 Analysis prepared by: HALL & FOREMAN INC., 3170 REDHILL AVE., COSTA MESA, CA,92626 13 MARCH 1989, VERS. 5.2A 08 -15 -88 ... AUTHORIZATION CODE 136020001 * * * * * * * * * * * * * * * * * * * * * * * * ** DESCRIPTION OF STUDY * * * * * * * * * * * * * * * * * * * * * * * * ** m * 8. FONTANA MASTER S.D. PLAN: LINES DZ- 11,12,13,14,15,16. * * Q 25 -YR. DESIGN Q. LINES RUN FROM 8. OF I -10 FWY. TO DECLEZ CHANNEL. * T. ARROYO, 1/24/90. * ******************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FILE NAME: SFONTD11.025 TIME /DATE OF STUDY: 16:16 1/24/1990 USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: -- *TIME -OF- CONCENTRATION MODEL*- - USER SPECIFIED STORM EVENT(YEAR) = 25.00 m SPECIFIED MINIMUM PIPE SIZE(INCH) = 36.00 SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE = .95 m *USER- DEFINED LOGARITHMIC INTERPOLATION USED FOR RAINFALL* 3 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = .910 "" X00 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.350 COMPUTED RAINFALL INTENSITY DATA: -- STORM EVENT = 25.00 1 -HOUR INTENSITY(INCH /HOUR) = 1.0639 SLOPE OF INTENSITY DURATION CURVE = .6000 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 607.00 TO NODE 607.10 I8 CODE = 2 » »> RATIONAL METHOD INITIAL SUBAREA ANALYSIS « « < DEVELOPMENT I8 SINGLE FAMILY RESIDENTIAL -> 5 -7 DWELLINGS /ACRE TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW - LENGTH(FEET) = 750.00 UPSTREAM ELEVATION(FEET) = 1045.00 DOWNSTREAM ELEVATION(FEET) = 1037.00 ELEVATION DIFFERENCE(FEET) = 8.00 TC(MIN.) = .389 *[( 750.00 ** 3.00)/( 8.00)] ** .20 = 13.626 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.589 SOIL CLASSIFICATION I8 "An RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 mr SUBAREA RUNOFF(CFS) = 14.20 TOTAL AREA(ACRES) = 7.50 PEAK FLOW RATE(CFS) = 14.20 m ********************************************* * * * * * * * * * * * * * * * * * ** * * * ** * ** * * ** OW PROCESS FROM NODE 607.10 TO NODE 608.10 I8 CODE = 5 » >COMPUTE TRAPEZOIDAL - CHANNEL FLOW « «< » » >TRAVEL TIME THRU SUBAREA « «< UPSTREAM NODE ELEVATION(FEET) = 1037.00 DOWNSTREAM NODE ELEVATION(FEET) = 1034.00 w.• CHANNEL LENGTH THRU SUBAREA(FEET) = 300.00 CHANNEL BASE(FEET) = 50.00 "Z" FACTOR = 2.000 i" MANNING'S FACTOR = .030 MAXIMUM DEPTH(FEET) = 1.00 HANNEL FLOW THRU SUBAREA(CFS) = 14.20 '° r'LOW VELOCITY(FEET /SEC.) = 1.64 FLOW DEPTH(FEET) = .17 rr TRAVEL TIME(MIN.) = 3.04 TC(MIN.) = 16.67 ..' ********************************************* * * * * * * * * * * ** * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 608.00 TO NODE 608.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.294 SOIL CLASSIFICATION I8 "An N. RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 SUBAREA AREA(ACRES) = 7.50 SUBAREA RUNOFF(CFS) = 12.21 "m EFFECTIVE AREA(ACRES) = 15.00 AVERAGED Fm(INCH/HR) = .485 am TOTAL AREA(ACRES) = 15.00 PEAK FLOW RATE(CFS) = 24.43 TC(MIN) = 16.67 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 608.10 TO NODE 609.10 I8 CODE = 5 » » >COMPUTE TRAPEZOIDAL - CHANNEL FLOW « «< - » »> TRAVEL TIME THRU SUBAREA « «< w., UPSTREAM NODE ELEVATION(FEET) = 1034.00 1WNSTREAM NODE ELEVATION(FEET) = 1027.00 "• .. HANNEL LENGTH THRU SUBAREA(FEET) = 500.00 CHANNEL BASE(FEET) = 50.00 "Z" FACTOR = 2.000 ▪ MANNING'S FACTOR = .030 MAXIMUM DEPTH(FEET) = 1.00 CHANNEL FLOW THRU SUBAREA(CFS) = 24.43 FLOW VELOCITY(FEET /SEC.) = 2.15 FLOW DEPTH(FEET) = .23 TRAVEL TIME(MIN.) = 3.87 TC(MIN.) = 20.54 ■r ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 609.00 TO NODE 609.10 IS CODE = 8 ++� » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.024 SOIL CLASSIFICATION I8 HAI • RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = 15.00 SUBAREA RUNOFF(CFS) = 20.78 "" EFFECTIVE AREA(ACRES) = 30.00 AVERAGED Fm(INCH /HR) = .485 TOTAL AREA(ACRES) = 30.00 PEAK FLOW RATE(CFS) = 41.55 TC(MIN) = 20.54 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 609.10 TO NODE 610.10 IS CODE = 3 »>COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< � » »USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< ESTIMATED PIPE DIAMETER(INCH) INCREASED TO 36.000 DEPTH OF FLOW IN 36.0 INCH PIPE I8 18.8 INCHES ,.. PIPE -FLOW VELOCITY(FEET /SEC.) = 11.1 UPSTREAM NODE ELEVATION(FEET) = 1027.00 - DOWNSTREAM NODE ELEVATION(FEET) = 1013.00 FLOW LENGTH(FEET) = 1000.00 MANNING'S N = .013 • MSTIMATED PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES = 1 IPE- FLOW(CFS) = 41.55 404 TRAVEL TIME(MIN.) = 1.50 TC(MIN.) = 22.04 rr ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** """ FLOW PROCESS FROM NODE 610.00 TO NODE 610.10 IS CODE = 8 » »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.940 .r SOIL CLASSIFICATION I8 'A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 ..,, SUBAREA AREA(ACRES) = 30.00 SUBAREA RUNOFF(CFS) = 39.28 EFFECTIVE AREA(ACRES) = 60.00 sal AVERAGED Fm(INCH/HR) = .485 TOTAL AREA(ACRES) = 60.00 • PEAK FLOW RATE(CFS) = 78.57 me TC(MIN) = 22.04 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 610.10 TO NODE 611.10 I8 CODE = 3 » »COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< » »USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< r DEPTH OF FLOW IN 39.0 INCH PIPE I8 28.2 INCHES .. PIPE -FLOW VELOCITY(FEET /SEC.) = 12.2 PSTREAM NODE ELEVATION(FEET) = 1013.00 aa ,DOWNSTREAM NODE ELEVATION(FEET) = 998.00 FLOW LENGTH(FEET) = 1200.00 MANNING'S N = .013 - ESTIMATED PIPE DIAMETER(INCH) = 39.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 78.57 • TRAVEL TIME(MIN.) = 1.64 TC(MIN.) = 23.68 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 611.00 TO NODE 611.10 I8 CODE = 8 » »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< ille 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.858 .. SOIL CLASSIFICATION I8 "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOBS RATE, Fm(INCH /HR) = .4850 an SUBAREA AREA(ACRES) = 36.00 SUBAREA RUNOFF(CFS) = 44.50 EFFECTIVE AREA(ACRES) = 96.00 • AVERAGED Fm(INCH /HR) = .485 TOTAL AREA(ACRES) = 96.00 PEAK FLOW RATE(CFS) = 118.66 TC(MIN) = 23.68 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** gam FLOW PROCESS FROM NODE 611.10 TO NODE 611.11 I8 CODE = 3 » »COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< »USING COMPUTER- ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< DEPTH OF FLOW IN 45.0 INCH PIPE I8 34.0 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 13.3 UPSTREAM NODE ELEVATION(FEET) = 998.00 me DOWNSTREAM NODE ELEVATION(FEET) = 992.00 FLOW LENGTH(FEET) = 500.00 MANNING'S N = .013 • ESTIMATED PIPE DIAMETER(INCH) = 45.00 NUMBER OF PIPES = 1 PIPE- FLOW(CFS) = 118.66 j. " - "RAVEL TIME(MIN.) = .63 TC(MIN.) = 24.31 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 611.01 TO NODE 611.11 I8 CODE = 8 » »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW< « < ar 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.829 .,. SOIL CLASSIFICATION I8 "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LO88 RATE, Fm(INCH/HR) = .4850 w SUBAREA AREA(ACRES) = 16.00 SUBAREA RUNOFF(CFS) = 19.36 EFFECTIVE AREA(ACRES) = 112.00 Wk AVERAGED Fm(INCH /HR) = .485 TOTAL AREA(ACRES) = 112.00 *" PEAK FLOW RATE(CFS) = 135.52 TC(MIN) = 24.31 WY' ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 611.11 TO NODE 612.10 I8 CODE = 3 as » »COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< » »USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< DEPTH OF FLOW IN 45.0 INCH PIPE IS 33.7 INCHES "■ PIPE -FLOW VELOCITY(FEET /SEC.) = 15.3 UPSTREAM NODE ELEVATION(FEET) = 992.00 .. ^ OWNSTREAM NODE ELEVATION(FEET) = 949.00 SOW LENGTH(FEET) = 2700.00 MANNING'S N = .013 "" ESTIMATED PIPE DIAMETER(INCH) = 45.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 135.52 x"" TRAVEL TIME(MIN.) = 2.95 TC(MIN.) = 27.26 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 612.00 TO NODE 612.10 I8 CODE = 8 » »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.708 " SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 • SUBAREA AREA(ACRES) = 80.00 SUBAREA RUNOFF(CFS) = 88.06 EFFECTIVE AREA(ACRES) = 192.00 • AVERAGED Fm(INCH/HR) = .485 TOTAL AREA(ACRES) = 192.00 PEAK FLOW RATE(CFS) = 211.34 • TC(MIN) = 27.26 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 612.10 TO NODE 612.11 IS CODE = 4 » »COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA ««< err_ » »USING USER- SPECIFIED PIPESIZE««< :PTH OF FLOW IN 72.0 INCH PIPE I8 34.6 INCHES " PIPE -FLOW VELOCITY(FEET /SEC.) = 15.7 es UPSTREAM NODE ELEVATION(FEET) = 949.00 DOWNSTREAM NODE ELEVATION(FEET) = 937.00 ... FLOW LENGTH(FEET) = 1000.00 MANNING'S N = .013 ,.. GIVEN PIPE DIAMETER(INCH) = 72.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 211.34 -- TRAVEL TIME(MIN.) = 1.06 TC(MIN.) = 28.32 am ****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** °" FLOW PROCESS FROM NODE 613.00 TO NODE 613.10 I8 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(FEET) = 900.00 UPSTREAM ELEVATION(FEET) = 1040.00 DOWNSTREAM ELEVATION(FEET) = 1024.00 ar ELEVATION DIFFERENCE(FEET) = 16.00 TC(MIN.) = .389 *[( 900.00 ** 3.00)/( 16.00)] ** .20 = 13.233 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.635 SOIL CLASSIFICATION I8 ""A" 66 RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA RUNOFF(CFS) = 17.42 4" TOTAL AREA(ACRES) = 9.00 PEAK FLOW RATE(CFS) = 17.42 •ar ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 613.10 TO NODE 614.10 IS CODE = 6 or » »>COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA « «< UPSTREAM ELEVATION(FEET) = 1024.00 DOWNSTREAM ELEVATION(FEET) = 1020.00 ta STREET LENGTH(FEET) = 600.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 18.00 ISTANCE FROM CROWN TO CROSSFALL GRADEBREAK(FEET) = 10.00 " INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVEL TIME COMPUTED USING MEAN FLOW(CFS) = 17.42 STREET FLOW MODEL RESULTS: NOTE: STREET FLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREET FLOW RESULTS ARE BASED ON THE ASSUMPTION �. THAT NEGLIBLE FLOW OCCURS OUTSIDE OF THE STREET CHANNEL. THAT IS, ALL FLOW ALONG THE PARKWAY, ETC., I8 NEGLECTED. STREET FLOW DEPTH(FEET) = .57 HALFSTREET FLOOD WIDTH(FEET) = 15.81 AVERAGE FLOW VELOCITY(FEET /SEC.) = 2.69 PRODUCT OF DEPTH &VELOCITY = 1.54 41I STREET FLOW TRAVEL TIME(MIN.) = 3.72 TC(MIN.) = 16.95 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.271 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 EFFECTIVE AREA(ACRES) = 9.00 AVERAGED Fm(INCH/HR) = .49 * TOTAL AREA(ACRES) = 9.00 PEAK FLOW RATE(CFS) = 17.42 END OF SUBAREA STREET FLOW HYDRAULICS: .�. DEPTH(FEET) = .57 HALFSTREET FLOOD WIDTH(FEET) = 15.81 FLOW VELOCITY(FEET /SEC.) = 2.69 DEPTH *VELOCITY = 1.54 as en *u..****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 614.00 TO NODE 614.10 I8 CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.271 *■ SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 QUBAREA AREA(ACRES) = 5.50 SUBAREA RUNOFF(CFS) = 8.84 'FECTIVE AREA(ACRES) = 14.50 im AVERAGED Fm(INCH/HR) = .485 TOTAL AREA(ACRES) = 14.50 PEAK FLOW RATE(CFS) = 23.31 TC(MIN) = 16.95 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 614.10 TO NODE 615.10 I8 CODE = 6 • » » >COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA « «< .. UPSTREAM ELEVATION(FEET) = 1020.00 DOWNSTREAM ELEVATION(FEET) = 1014.00 STREET LENGTH(FEET) = 450.00 CURB HEIGTH(INCHES) = 8. *a' STREET HALFWIDTH(FEET) = 26.00 'm DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK(FEET) = 18.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 vie OUTSIDE STREET CROSSFALL(DECIMAL) = .040 • SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVEL TIME COMPUTED USING MEAN FLOW(CFS) = 23.31 ,., STREET FLOW MODEL RESULTS: STREET FLOW DEPTH(FEET) = .58 HALFSTREET FLOOD WIDTH(FEET) = 15.03 AVERAGE FLOW VELOCITY(FEET /SEC.) = 3.82 PRODUCT OF DEPTH &VELOCITY = 2.21 MEET FLOW TRAVEL TIME(MIN.) = 1.96 TC(MIN.) = 18.91 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.127 • SOIL CLASSIFICATION I8 "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 EFFECTIVE AREA(ACRES) = 14.50 AVERAGED Fm(INCH/HR) = .49 TOTAL AREA(ACRES) = 14.50 PEAK FLOW RATE(CFS) = 23.31 „. END OF SUBAREA STREET FLOW HYDRAULICS: DEPTH(FEET) = .58 HALFSTREET FLOOD WIDTH(FEET) = 15.03 .,. FLOW VELOCITY(FEET /SEC.) = 3.82 DEPTH *VELOCITY = 2.21 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ... FLOW PROCESS FROM NODE 615.00 TO NODE 615.10 I8 CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.127 ,,ro SOIL CLASSIFICATION I8 "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = 14.50 SUBAREA RUNOFF(CFS) = 21.43 EFFECTIVE AREA(ACRES) = 29.00 *r AVERAGED Fm(INCH /HR) = .485 TOTAL AREA(ACRES) = 29.00 PEAK FLOW RATE(CFS) = 42.85 TC(MIN) = 18.91 • *.:. ****************************************** * * * ** * * * * ** * * *** * * * * * * * * * * * ** ** AO FLOW PROCESS FROM NODE 615.10 TO NODE 616.10 I8 CODE = 6 » » >COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA « «< UPSTREAM ELEVATION(FEET) = 1014.00 DOWNSTREAM ELEVATION(FEET) = 1001.00 .. STREET LENGTH(FEET) = 950.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 26.00 rrr :STANCE FROM CROWN TO CROBSFALL GRADEBREAK(FEET) = 18.00 • INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVEL TIME COMPUTED USING MEAN FLOW(CF8) = 42.85 STREET FLOW MODEL RESULTS: NOTE: STREET FLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREET FLOW RESULTS ARE BASED ON THE ASSUMPTION THAT NEGLIBLE FLOW OCCURS OUTSIDE OF THE STREET CHANNEL. THAT I8, ALL FLOW ALONG THE PARKWAY, ETC., I8 NEGLECTED. STREET FLOW DEPTH(FEET) = .68 HALFSTREET FLOOD WIDTH(FEET) = 20.09 AVERAGE FLOW VELOCITY(FEET /SEC.) = 4.44 PRODUCT OF DEPTH &VELOCITY = 3.02 "" STREET FLOW TRAVEL TIME(MIN.) = 3.57 TC(MIN.) = 22.48 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.917 SOIL CLASSIFICATION I8 HAI RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOBS RATE, Fm(INCH/HR) = .4850 to SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 EFFECTIVE AREA(ACRES) = 29.00 AVERAGED Fm(INCH /HR) = .49 . TOTAL AREA(ACRES) = 29.00 PEAK FLOW RATE(CFS) = 42.85 END OF SUBAREA STREET FLOW HYDRAULICS: so DEPTH(FEET) = .68 HALFSTREET FLOOD WIDTH(FEET) = 20.09 FLOW VELOCITY(FEET /SEC.) = 4.44 DEPTH *VELOCITY = 3.02 - *k u****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 616.00 TO NODE 616.10 I8 CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.917 SOIL CLASSIFICATION I8 HA" ▪ RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = 29.00 SUBAREA RUNOFF(CFS) = 37.39 - EFFECTIVE AREA(ACRES) = 58.00 AVERAGED Fm(INCH /HR) = .485 TOTAL AREA(ACRES) = 58.00 PEAK FLOW RATE(CFS) = 74.77 TC(MIN) = 22.48 wr ********************************************* * * * * * * * * * * * * * * ** * * * * * * * * * * * * * ** '"" FLOW PROCESS FROM NODE 616.10 TO NODE 617.10 IS CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< » » > USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « « < ow DEPTH OF FLOW IN 39.0 INCH PIPE I8 27.3 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 12.1 UPSTREAM NODE ELEVATION(FEET) = 1001.00 DOWNSTREAM NODE ELEVATION(FEET) = 980.00 g " FLOW LENGTH(FEET) = 1700.00 MANNING'S N = .013 3TIMATED PIPE DIAMETER(INCH) = 39.00 NUMBER OF PIPES = 1 6.1 kIPE- FLOW(CFS) = 74.77 Wi TRAVEL TIME(MIN.) = 2.35 TC(MIN.) = 24.83 vow Iwo ***** *tk*** * * * *#r*** * * * *tk*** ** *** ** *fit*** * *** * *** * *** *** * * * * *** * * * ** * **** **** *fit FLOW PROCESS FROM NODE 617.00 TO NODE 617.10 I8 CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< s 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.807 "' dOIL CLASSIFICATION I8 "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = 54.00 SUBAREA RUNOFF(CFS) = 64.23 EFFECTIVE AREA(ACRES) = 112.00 - AVERAGED Fm(INCH /HR) = .485 ow TOTAL AREA(ACRES) = 112.00 PEAK FLOW RATE(CFS) = 133.21 TC(MIN) = 24.83 +.r ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ow FLOW PROCESS FROM NODE 617.10 TO NODE 618.10 I8 CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< » »SING COMPUTER- ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< .wr DEPTH OF FLOW IN 45.0 INCH PIPE I8 36.9 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 13.8 UPSTREAM NODE ELEVATION(FEET) = 980.00 DOWNSTREAM NODE ELEVATION(FEET) = 945.50 „„„ FLOW LENGTH(FEET) = 2700.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 45.00 NUMBER OF PIPES = 1 ,.. PIPE- FLOW(CFS) = 133.21 TRAVEL TIME(MIN.) = 3.27 TC(MIN.) = 28.10 ... ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** LOW PROCESS FROM NODE 618.00 TO NODE 618.10 I8 CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.677 SOIL CLASSIFICATION IS "Au RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = 80.00 SUBAREA RUNOFF(CFS) = 85.84 - EFFECTIVE AREA(ACRES) = 192.00 AVERAGED Fm(INCH /HR) = .485 - TOTAL AREA(ACRES) = 192.00 PEAK FLOW RATE(CFS) = 206.01 - TC(MIN) = 28.10 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** • FLOW PROCESS FROM NODE 618.10 TO NODE 624.10 I8 CODE = 4 • » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< 401 » »SING USER- SPECIFIED PIPESIZE««< DEPTH OF FLOW IN 78.0 INCH PIPE I8 40.9 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 11.7 UPSTREAM NODE ELEVATION(FEET) = 945.50 DOWNSTREAM NODE ELEVATION(FEET) = 938.00 •• FLOW LENGTH(FEET) = 1350.00 MANNING'S N = .013 GIVEN PIPE DIAMETER(INCH) = 78.00 NUMBER OF PIPES = 1 • PIPE - FLOW(CFS) = 206.01 tAVEL TIME(MIN.) = 1.92 TC(MIN.) = 30.02 ,er ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 624.10 TO NODE 624.10 IS CODE = 1 .w » »>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « « < oo TOTAL NUMBER OF STREAMS = 2 wr ^ ONFLUENCE VALUER USED FOR INDEPENDENT STREAM 1 ARE: [ME OF CONCENTRATION(MIN.) = 30.02 KAINFALL INTENSITY(INCH/HR) = 1.61 AVERAGED Fm(INCH/HR) = .49 " EFFECTIVE STREAM AREA(ACRES) = 192.00 TOTAL STREAM AREA(ACRES) = 192.00 """ PEAK FLOW RATE(CFS) AT CONFLUENCE = 206.01 40 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 619.00 TO NODE 619.10 I8 CODE = 2 wr » »>RATIONAL METHOD INITIAL SUBAREA ANALYSIS « «< DEVELOPMENT I8 SINGLE FAMILY RESIDENTIAL -> 5 -7 DWELLINGS /ACRE TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW- LENGTH(FEET) = 800.00 m. UPSTREAM ELEVATION(FEET) = 1025.00 DOWNSTREAM ELEVATION(FEET) = 1015.00 ELEVATION DIFFERENCE(FEET) = 10.00 TC(MIN.) = .389 *[( 800.00 ** 3.00)/( 10.00)] ** .20 = 13.546 oo 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.598 +rr SOIL CLASSIFICATION IS " "A "" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA RUNOFF(CFS) = 13.31 TOTAL AREA(ACRES) = 7.00 PEAK FLOW RATE(CFS) = 13.31 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** LOW PROCESS FROM NODE 619.10 TO NODE 620.10 I8 CODE = 6 "rr. » » >COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA « «< UPSTREAM ELEVATION(FEET) = 1015.00 DOWNSTREAM ELEVATION(FEET) = 1013.00 " STREET LENGTH(FEET) = 650.00 CURB HEIGTH(INCHES).= 6. STREET HALFWIDTH(FEET) = 18.00 low DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK(FEET) = 10.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 .�• SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVEL TIME COMPUTED USING MEAN FLOW(CFS) = 13.31 STREET FLOW MODEL RESULTS: NOTE: STREET FLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREET FLOW 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 FLOW DEPTH(FEET) = .58 HALFSTREET FLOOD WIDTH(FEET) = 16.44 AVERAGE FLOW VELOCITY(FEET /SEC.) = 1.94 PRODUCT OF DEPTH &VELOCITY = 1.13 STREET FLOW TRAVEL TIME(MIN.) = 5.59 TC(MIN.) = 19.14 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.112 ROIL CLASSIFICATION IS " "A "" ESIDENTIAL-> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 ■* SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 EFFECTIVE AREA(ACRES) = 7.00 AVERAGED Fm(INCH /HR) = .48 TOTAL AREA(ACRES) = 7.00 PEAK FLOW RATE(CFS) = 13.31 END OF SUBAREA STREET FLOW HYDRAULICS: 411 DEPTH(FEET) = .58 HALFSTREET FLOOD WIDTH(FEET) = 16.44 FLOW VELOCITY(FEET /SEC.) = 1.94 DEPTH *VELOCITY = 1.13 ..k tip *'" k****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** LOW PROCESS FROM NODE 620.00 TO NODE 620.10 IS CODE = 8 tirr » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.112 "". SOIL CLASSIFICATION IS 'Au RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = 7.00 SUBAREA RUNOFF(CFS) = 10.25 .,, EFFECTIVE AREA(ACRES) = 14.00 AVERAGED Fm(INCH /HR) = .485 +w TOTAL AREA(ACRES) = 14.00 PEAK FLOW RATE(CFS) = 20.50 •.. TC(MIN) = 19.14 d. ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 620.10 TO NODE 621.10 I8 CODE = 6 0. » » >COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA « «< - UPSTREAM ELEVATION(FEET) = 1013.00 DOWNSTREAM ELEVATION(FEET) = 1004.00 • STREET LENGTH(FEET) = 450.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 47.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK(FEET) = 35.00 �• INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 PECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVEL TIME COMPUTED USING MEAN FLOW(CFS) = 20.50 STREET FLOW MODEL RESULTS: STREET FLOW DEPTH(FEET) = .52 HALFSTREET FLOOD WIDTH(FEET) = 9.97 AVERAGE FLOW VELOCITY(FEET /SEC.) = 4.80 PRODUCT OF DEPTH &VELOCITY = 2.48 • STREET FLOW TRAVEL TIME(MIN.) = 1.56 TC(MIN.) = 20.70 .... 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.014 SOIL CLASSIFICATION I8 "A" • RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 s* EFFECTIVE AREA(ACRES) = 14.00 AVERAGED Fm(INCH /HR) = .48 TOTAL AREA(ACRES) = 14.00 PEAK FLOW RATE(CFS) = 20.50 • END OF SUBAREA STREET FLOW HYDRAULICS: DEPTH(FEET) = .52 HALFSTREET FLOOD WIDTH(FEET) = 9.97 ' FLOW VELOCITY(FEET /SEC.) = 4.80 DEPTH *VELOCITY = 2.48 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 621.00 TO NODE 621.10 I8 CODE = 8 air » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.014 41 " QOIL CLASSIFICATION I8 "A" ESIDENTIAL-> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 "" SUBAREA AREA(ACRES) = 14.00 SUBAREA RUNOFF(CFS) = 19.27 EFFECTIVE AREA(ACRES) = 28.00 of AVERAGED Fm(INCH/HR) = .485 TOTAL AREA(ACRES) = 28.00 ow PEAK FLOW RATE(CFS) = 38.54 TC(MIN) = 20.70 • * -******************************************* * * * * * * * * * * *** * ** * * ** * * * * * * * * * ** 'LOW PROCESS FROM NODE 621.10 TO NODE 622.10 I8 CODE = 6 » » »COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA « «< UPSTREAM ELEVATION(FEET) = 1004.00 DOWNSTREAM ELEVATION(FEET) = 991.00 STREET LENGTH(FEET) = 950.00 CURB HEIGTH(INCHES) = 8. mo STREET HALFWIDTH(FEET) = 47.00 ... DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK(FEET) = 35.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 o+ OUTSIDE STREET CROSSFALL(DECIMAL) = .040 • SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVEL TIME COMPUTED USING MEAN FLOW(CFS) = 38.54 STREET FLOW MODEL RESULTS: NOTE: STREET FLOW EXCEEDS TOP OF CURB. or THE FOLLOWING STREET FLOW RESULTS ARE BASED ON THE ASSUMPTION THAT NEGLIBLE FLOW OCCURS OUTSIDE OF THE STREET CHANNEL. THAT IS, ALL FLOW ALONG THE PARKWAY, ETC., I8 NEGLECTED. STREET FLOW DEPTH(FEET) = .68 anr HALFSTREET FLOOD WIDTH(FEET) = 16.10 AVERAGE FLOW VELOCITY(FEET /SEC.) = 4.61 ,., PRODUCT OF DEPTH &VELOCITY = 3.13 STREET FLOW TRAVEL TIME(MIN.) = 3.44 TC(MIN.) = 24.14 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.837 «W ft SOIL CLASSIFICATION I8 HA" ESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 'Y"' dUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 EFFECTIVE AREA(ACRES) = 28.00 AVERAGED Fm(INCH/HR) = .48 TOTAL AREA(ACRES) = 28.00 PEAK FLOW RATE(CFS) = 38.54 r. END OF SUBAREA STREET FLOW HYDRAULICS: DEPTH(FEET) = .68 HALFSTREET FLOOD WIDTH(FEET) = 16.10 FLOW VELOCITY(FEET /SEC.) = 4.61 DEPTH *VELOCITY = 3.13 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 622.00 TO NODE 622.10 IS CODE = 8 • » »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.837 SOIL CLASSIFICATION I8 "A" • RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = 28.00 SUBAREA RUNOFF(CFS) = 34.07 """' EFFECTIVE AREA(ACRES) = 56.00 dr AVERAGED Fm(INCH/HR) = .485 TOTAL AREA(ACRES) = 56.00 PEAK FLOW RATE(CFS) = 68.15 TC(MIN) = 24.14 Ay ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 622.10 TO NODE 623.10 I8 CODE = 3 dee -» »COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< .» »USING COMPUTER- ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< wit DEPTH OF FLOW IN 39.0 INCH PIPE I8 27.5 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 10.9 on UPSTREAM NODE ELEVATION(FEET) = 991.00 DOWNSTREAM NODE ELEVATION(FEET) = 974.00 FLOW LENGTH(FEET) = 1700.00 MANNING'B N = .013 ESTIMATED PIPE DIAMETER(INCH) = 39.00 NUMBER OF PIPES = 1 WIPE- FLOW(CFS) = 68.15 2AVEL TIME(MIN.) = 2.60 TC(MIN.) = 26.74 ********************************************* * * * * * ** * * * * * * ** * * * * * ** * * * ** * * ** FLOW PROCESS FROM NODE 623.00 TO NODE 623.10 I8 CODE = 8 • » » »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< ,,. 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.728 SOIL CLASSIFICATION I8 MATT • RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = 55.00 SUBAREA RUNOFF(CFS) = 61.51 EFFECTIVE AREA(ACRES) = 111.00 AVERAGED Fm(INCH /HR) = .485 "" TOTAL AREA(ACRES) = 111.00 PEAK FLOW RATE(CFS) = 124.14 TC(MIN) = 26.74 er ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 623.10 TO NODE 624.10 I8 CODE = 3 » » »COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< • » »USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< no DEPTH OF FLOW IN 45.0 INCH PIPE I8 33.8 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 14.0 • TPSTREAM NODE ELEVATION(FEET) = 974.00 3WNSTREAM NODE ELEVATION(FEET) = 938.00 """ r'LOW LENGTH(FEET) = 2700.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 45.00 NUMBER OF PIPES = 1 PIPE- FLOW(CFS) = 124.14 TRAVEL TIME(MIN.) = 3.22 TC(MIN.) = 29.96 " ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 624.00 TO NODE 624.10 I8 CODE = 8 » » »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< .". 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.614 SOIL CLASSIFICATION I8 "A" • RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = 83.00 SUBAREA RUNOFF(CFS) = 84.31 air EFFECTIVE AREA(ACRES) = 194.00 AVERAGED Fm(INCH /HR) = .485 ""` TOTAL AREA(ACRES) = 194.00 PEAK FLOW RATE(CFS) = 197.07 TC(MIN) = 29.96 „********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 624.10 TO NODE 624.10 IS CODE = 1 » » »DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « « < 'M' »»AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES « «< "" TOTAL NUMBER OF STREAMS = 2 CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MIN.) = 29.96 ,,. RAINFALL INTENSITY(INCH/HR) = 1.61 um AVERAGED Fm(INCH /HR) = .49 EFFECTIVE STREAM AREA(ACRES) = 194.00 .." TOTAL STREAM AREA(ACRES) = 194.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 197.07 .INFALL INTENSITY AND TIME OF CONCENTRATION RATIO """ %, ONFLUENCE FORMULA USED FOR 2 STREAMS. 0" ** PEAK FLOW RATE TABLE ** Q(CFS) Tc(MIN.) Fm(INCH /HR) Ae(ACRES) 1 402.76 30.02 .485 386.00 2 403.02 29.96 .485 385.64 mom COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 403.02 Tc(MIN.) = 29.965 rn EFFECTIVE AREA(ACRES) = 385.64 AVERAGED Fm(INCH /HR) = .49 TOTAL AREA(ACRES) = 386.00 rrr * ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 624.10 TO NODE 624.11 I8 CODE = 4 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA ««< i" » » >USING USER- SPECIFIED PIPESIZE « «< " DEPTH OF FLOW IN 78.0 INCH PIPE I8 46.2 INCHES 4, PIPE -FLOW VELOCITY(FEET /SEC.) = 19.7 UPSTREAM NODE ELEVATION(FEET) = 938.00 ,,, DOWNSTREAM NODE ELEVATION(FEET) = 915.00 FLOW LENGTH(FEET) = 1600.00 MANNING'S N = .013 err GIVEN PIPE DIAMETER(INCH) = 78.00 NUMBER OF PIPES = 1 PIPE- FLOW(CFS) = 403.02 •". "RAVEL TIME (MIN.) = 1.35 TC(MIN.) = 31.32 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 625.00 TO NODE 625.10 I8 CODE = 2 " » METHOD INITIAL SUBAREA ANALYSIS « «< - DEVELOPMENT IB SINGLE FAMILY RESIDENTIAL -> 5 -7 DWELLINGS /ACRE , TC = R *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW- LENGTH(FEET) = 1000.00 .,. UPSTREAM ELEVATION(FEET) = 1020.00 DOWNSTREAM ELEVATION(FEET) = 1002.00 ... ELEVATION DIFFERENCE(FEET) = 18.00 TC(MIN.) = .389 *[( 1000.00 ** 3.00)/( 18.00)] ** .20 = 13.769 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.573 SOIL CLASSIFICATION I8 'Au '-' RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA RUNOFF(CFS) = 18.79 TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 18.79 Ai ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 625.10 TO NODE 626.10 I8 CODE = 6 "rr » » >COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA « «< ow UPSTREAM ELEVATION(FEET) = 1002.00 DOWNSTREAM ELEVATION(FEET) = 1000.00 qTREET LENGTH(FEET) = 450.00 CURB HEIGTH(INCHES) = 6. MEET HALFWIDTH(FEET) = 20.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK(FEET) = 12.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVEL TIME COMPUTED USING MEAN FLOW(CFS) = 18.79 4.0 STREET FLOW MODEL RESULTS: NOTE: STREET FLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREET FLOW RESULTS ARE BASED ON THE ASSUMPTION THAT NEGLIBLE FLOW OCCURS OUTSIDE OF THE STREET CHANNEL. THAT I8, ALL FLOW ALONG THE PARKWAY, ETC., IS NEGLECTED. STREET FLOW DEPTH(FEET) = .62 HALFSTREET FLOOD WIDTH(FEET) = 18.13 or AVERAGE FLOW VELOCITY(FEET /SEC.) = 2.34 PRODUCT OF DEPTH &VELOCITY = 1.45 STREET FLOW TRAVEL TIME(MIN.) = 3.21 TC(MIN.) = 16.98 or 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.269 SOIL CLASSIFICATION I8 "A" •. RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOBS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 " EFFECTIVE AREA(ACRES) = 10.00 AVERAGED Fm(INCH/HR) = .49 TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 18.79 • " END OF SUBAREA STREET FLOW HYDRAULICS: so DEPTH(FEET) = .62 HALFSTREET FLOOD WIDTH(FEET) = 18.13 FLOW VELOCITY(FEET /SEC.) = 2.34 DEPTH *VELOCITY = 1.45 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 626.00 TO NODE 626.10 IS CODE = 8 » » »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< .wr 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.269 •• SOIL CLASSIFICATION I8 "A" ESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 i OUBAREA AREA(ACRES) = 9.00 SUBAREA RUNOFF(CFS) = 14.45 EFFECTIVE AREA(ACRES) = 19.00 '" AVERAGED Fm(INCH /HR) = .485 TOTAL AREA(ACRES) = 19.00 PEAK FLOW RATE(CFS) = 30.51 A. TC(MIN) = 16.98 .r ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** wig FLOW PROCESS FROM NODE 626.10 TO NODE 627.10 I8 CODE = 6 » » »COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA « «< UPSTREAM ELEVATION(FEET) = 1000.00 DOWNSTREAM ELEVATION(FEET) = 998.00 STREET LENGTH(FEET) = 400.00 CURB HEIGTH(INCHES) = 6. ''W STREET HALFWIDTH(FEET) = 20.00 "°' DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK(FEET) = 12.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 4. * *TRAVEL TIME COMPUTED USING MEAN FLOW(CFS) = 30.51 •, ** *STREET FLOWING FULL * ** STREET FLOW MODEL RESULTS: .60 NOTE: STREET FLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREET FLOW RESULTS ARE BASED ON THE ASSUMPTION THAT NEGLIBLE FLOW OCCURS OUTSIDE OF THE STREET CHANNEL. THAT IS, ALL FLOW ALONG THE PARKWAY, ETC., I8 NEGLECTED. STREET FLOW DEPTH(FEET) = .69 HALFSTREET FLOOD WIDTH(FEET) = 20.00 AVERAGE FLOW VELOCITY(FEET /SEC.) = 2.87 PRODUCT OF DEPTH &VELOCITY = 1.97 .. STREET FLOW TRAVEL TIME(MIN.) = 2.33 TC(MIN.) = 19.30 o w 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.101 ;OIL CLASSIFICATION IS "An *in RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LO88 RATE, Fm(INCH/HR) = .4850 SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 °"" EFFECTIVE AREA(ACRES) = 19.00 AVERAGED Fm(INCH /HR) = .49 TOTAL AREA(ACRES) = 19.00 PEAK FLOW RATE(CFS) = 30.51 END OF SUBAREA STREET FLOW HYDRAULICS: DEPTH(FEET) = .69 HALFSTREET FLOOD WIDTH(FEET) = 20.00 FLOW VELOCITY(FEET /SEC.) = 2.87 DEPTH *VELOCITY = 1.97 o s• ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 627.00 TO NODE 627.10 I8 CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « « < 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.101 "m SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = 9.00 SUBAREA RUNOFF(CFS) = 13.09 EFFECTIVE AREA(ACRES) = 28.00 ". AVERAGED Fm(INCH/HR) = .485 TOTAL AREA(ACRES) = 28.00 PEAK FLOW RATE(CFS) = 40.72 TC(MIN) = 19.30 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** -• FLOW PROCESS FROM NODE 627.10 TO NODE 628.10 I8 CODE = 6 No' .» »COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA « «< -" UPSTREAM ELEVATION(FEET) = 998.00 DOWNSTREAM ELEVATION(FEET) = 985.00 STREET LENGTH(FEET) = 900.00 CURB HEIGTH(INCHES) = 8. "" STREET HALFWIDTH(FEET) = 24.00 - DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK(FEET) = 16.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVEL TIME COMPUTED USING MEAN FLOW(CFS) = 40.72 STREET FLOW MODEL RESULTS: NOTE: STREET FLOW EXCEEDS TOP OF CURB. ais THE FOLLOWING STREET FLOW RESULTS ARE BASED ON THE ASSUMPTION THAT NEGLIBLE FLOW OCCURS OUTSIDE OF THE STREET CHANNEL. THAT IS, ALL FLOW ALONG THE PARKWAY, ETC., I8 NEGLECTED. STREET FLOW DEPTH(FEET) = .67 HALFSTREET FLOOD WIDTH(FEET) = 19.50 AVERAGE FLOW VELOCITY(FEET /SEC.) = 4.43 PRODUCT OF DEPTH &VELOCITY = 2.96 STREET FLOW TRAVEL TIME(MIN.) = 3.38 TC(MIN.) = 22.69 m. 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.907 SOIL CLASSIFICATION IS "A" MO RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 TBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 • ...2FECTIVE AREA(ACRES) = 28.00 AVERAGED Fm(INCH /HR) = .48 TOTAL AREA(ACRES) = 28.00 PEAK FLOW RATE(CFS) = 40.72 END OF SUBAREA STREET FLOW HYDRAULICS: DEPTH(FEET) = .67 HALFSTREET FLOOD WIDTH(FEET) = 19.50 our FLOW VELOCITY(FEET /SEC.) = 4.43 DEPTH *VELOCITY = 2.96 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** m" "LOW PROCESS FROM NODE 628.00 TO NODE 628.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< or 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.907 SOIL CLASSIFICATION I8 'An "" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LO88 RATE, Fm(INCH /HR) = .4850 or SUBAREA AREA(ACRES) = 27.00 SUBAREA RUNOFF(CFS) = 34.55 EFFECTIVE AREA(ACRES) = 55.00 r . AVERAGED Fm(INCH /HR) = .485 TOTAL AREA(ACRES) = 55.00 r PEAK FLOW RATE(CFS) = 70.38 TC(MIN) = 22.69 rrr ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 628.10 TO NODE 629.10 IS CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< » » >UBING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< '°' DEPTH OF FLOW IN 36.0 INCH PIPE I8 26.5 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 12.6 UPSTREAM NODE ELEVATION(FEET) = 985.00 DOWNSTREAM NODE ELEVATION(FEET) = 960.00 FLOW LENGTH(FEET) = 1700.00 MANNING'S N = .013 or ESTIMATED PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES = 1 PIPE- FLOW(CFS) = 70.38 .". TRAVEL TIME(MIN.) = 2.25 TC(MIN.) = 24.93 rr ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** w" FLOW PROCESS FROM NODE 629.00 TO NODE 629.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< oft 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.802 , SOIL CLASSIFICATION IS "An RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 SUBAREA AREA(ACRES) = 55.00 SUBAREA RUNOFF(CFS) = 65.18 EFFECTIVE AREA(ACRES) = 110.00 ow AVERAGED Fm(INCH /HR) = .485 TOTAL AREA(ACRES) = 110.00 o. PEAK FLOW RATE(CFS) = 130.36 TC(MIN) = 24.93 """********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 629.10 TO NODE 630.10 I8 CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< or DEPTH OF FLOW IN 48.0 INCH PIPE IB 34.8 INCHES ... PIPE -FLOW VELOCITY(FEET /SEC.) = 13.3 UPSTREAM NODE ELEVATION(FEET) = 960.00 +r ' nOWNSTREAM NODE ELEVATION(FEET) = 929.00 .OW LENGTH(FEET) = 2750.00 MANNING'S N = .013 '"' xSTIMATED PIPE DIAMETER(INCH) = 48.00 NUMBER OF PIPES = 1 PIPE- FLOW(CFS) = 130.36 tri TRAVEL TIME(MIN.) = 3.44 TC(MIN.) = 28.37 Amt eat ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** .. FLOW PROCESS FROM NODE 630.00 TO NODE 630.10 I8 CODE = 8 " >•>•»ADDITION OF SUBAREA TO MAINLINE PEAR FLOW « «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.668 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 SUBAREA AREA(ACRES) = 83.00 SUBAREA RUNOFF(CFS) = 88.33 EFFECTIVE AREA(ACRES) = 193.00 „", AVERAGED Fm(INCH/HR) = .485 TOTAL AREA(ACRES) = 193.00 ,.. PEAK FLOW RATE(CFS) = 205.40 TC(MIN) = 28.37 ow ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 630.10 TO NODE 636.10 IS CODE = 4 ow » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< 6 " 1 » »SING USER- SPECIFIED PIPESIZE « «< DEPTH OF FLOW IN 66.0 INCH PIPE I8 43.4 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 12.4 UPSTREAM NODE ELEVATION(FEET) = 929.00 • DOWNSTREAM NODE ELEVATION(FEET) = 920.00 FLOW LENGTH(FEET) = 1350.00 MANNING'S N = .013 - GIVEN PIPE DIAMETER(INCH) = 66.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 205.40 two TRAVEL TIME(MIN.) = 1.81 TC(MIN.) = 30.18 • ****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ""' 'LOW PROCESS FROM NODE 636.10 TO NODE 636.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< - TOTAL NUMBER OF STREAMS = 3 CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MIN.) = 30.18 RAINFALL INTENSITY(INCH /HR) = 1.61 AVERAGED Fm(INCH /HR) = .49 - EFFECTIVE STREAM AREA(ACRES) = 193.00 TOTAL STREAM AREA(ACRES) = 193.00 - PEAK FLOW RATE(CFS) AT CONFLUENCE = 205.40 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** " FLOW PROCESS FROM NODE 631.00 TO NODE 631.10 I8 CODE = 2 » » >RATIONAL METHOD INITIAL SUBAREA ANALYSIS « « < ow DEVELOPMENT I8 COMMERCIAL TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 ... INITIAL SUBAREA FLOW- LENGTH(FEET) = 900.00 ✓ UPSTREAM ELEVATION(FEET) = 1016.00 DOWNSTREAM ELEVATION(FEET) = 996.00 .. ELEVATION DIFFERENCE(FEET) = 20.00 TC(MIN.) = .304 *[( 900.00 ** 3.00)/( 20.00)] ** .20 = 9.890 °"" 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.138 'IL CLASSIFICATION I8 "A" • ...)MMERCIAL SUBAREA LOSS RATE, Fm(INCH/HR) = .0970 SUBAREA RUNOFF(CFS) = 27.37 TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 27.37 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** . FLOW PROCESS FROM NODE 631.10 TO NODE 632.10 I8 CODE = 6 00 - » »COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA « «< "" .iPSTREAM ELEVATION(FEET) = 996.00 DOWNSTREAM ELEVATION(FEET) = 994.00 STREET LENGTH(FEET) = 450.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 20.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK(FEET) = 12.00 • INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVEL TIME COMPUTED USING MEAN FLOW(CFS) = 27.37 ... ** *STREET FLOWING FULL * ** STREET FLOW MODEL RESULTS: NOTE: STREET FLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREET FLOW RESULTS ARE BASED ON THE ASSUMPTION m' THAT NEGLIBLE FLOW OCCURS OUTSIDE OF THE STREET CHANNEL. THAT IS, ALL FLOW ALONG THE PARKWAY, ETC., I8 NEGLECTED. STREET FLOW DEPTH(FEET) = .69 HALFSTREET FLOOD WIDTH(FEET) = 20.00 AVERAGE FLOW VELOCITY(FEET /SEC.) = 2.57 PRODUCT OF DEPTH &VELOCITY = 1.76 STREET FLOW TRAVEL TIME(MIN.) = 2.92 TC(MIN.) = 12.81 .- 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.687 NW SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 - QUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 'FECTIVE AREA(ACRES) = 10.00 AVERAGED Fm(INCH/HR) = .10 ` - DOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 27.37 END OF SUBAREA STREET FLOW HYDRAULICS: DEPTH(FEET) = .69 HALFSTREET FLOOD WIDTH(FEET) = 20.00 FLOW VELOCITY(FEET /SEC.) = 2.57 DEPTH *VELOCITY = 1.76 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 632.00 TO NODE 632.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.687 SOIL CLASSIFICATION I8 HA" ®. RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = 9.00 SUBAREA RUNOFF(CFS) = 17.84 i° EFFECTIVE AREA(ACRES) = 19.00 AVERAGED Fm(INCH /HR) = .281 °' TOTAL AREA(ACRES) = 19.00 PEAK FLOW RATE(CFS) = 41.15 TC(MIN) = 12.81 • ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 632.10 TO NODE 633.10 IS CODE = 6 » » > COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA « «< ..irr 'STREAM ELEVATION(FEET) = 994.00 DOWNSTREAM ELEVATION(FEET) = 992.00 6 °' 0TREET LENGTH(FEET) = 450.00 CURB HEIGTH(INCHES) = 6. *r STREET HALFWIDTH(FEET) = 20.00 „�, DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK(FEET) = 12.00 *N+ INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVEL TIME COMPUTED USING MEAN FLOW(CFS) = 41.15 "" ** *STREET FLOWING FULL * ** STREET FLOW MODEL RESULTS: NOTE: STREET FLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREET FLOW RESULTS ARE BASED ON THE ASSUMPTION THAT NEGLIBLE FLOW OCCURS OUTSIDE OF THE STREET CHANNEL. THAT I8, ALL FLOW ALONG THE PARKWAY, ETC., I8 NEGLECTED. STREET FLOW DEPTH(FEET) = .74 HALFSTREET FLOOD WIDTH(FEET) = 20.00 AVERAGE FLOW VELOCITY(FEET /SEC.) = 3.17 PRODUCT OF DEPTH &VELOCITY = 2.36 STREET FLOW TRAVEL TIME(MIN.) = 2.37 TC(MIN.) = 15.17 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.427 '*" SOIL CLASSIFICATION I8 "An RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 '°"" SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 Nis EFFECTIVE AREA(ACRES) = 19.00 AVERAGED Fm(INCH /HR) = .28 TOTAL AREA(ACRES) = 19.00 PEAK FLOW RATE(CFS) = 41.15 - END OF SUBAREA STREET FLOW HYDRAULICS: DEPTH(FEET) = .74 HALFSTREET FLOOD WIDTH(FEET) = 20.00 - FLOW VELOCITY(FEET /SEC.) = 3.17 DEPTH *VELOCITY = 2.36 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** • FLOW PROCESS FROM NODE 633.00 TO NODE 633.10 I8 CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « « < 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.427 SOIL CLASSIFICATION IS "An ▪ RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 SUBAREA AREA(ACRES) = 9.00 SUBAREA RUNOFF(CFS) = 15.73 bbo EFFECTIVE AREA(ACRES) = 28.00 - AVERAGED Fm(INCH /HR) = .346 TOTAL AREA(ACRES) = 28.00 PEAK FLOW RATE(CFS) = 52.44 TC(MIN) = 15.17 - ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 633.10 TO NODE 634.10 IB CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< » » > USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< - ESTIMATED PIPE DIAMETER(INCH) INCREASED TO 36.000 • DEPTH OF FLOW IN 36.0 INCH PIPE IS 22.2 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 11.5 • UPSTREAM NODE ELEVATION(FEET) = 992.00 DOWNSTREAM NODE ELEVATION(FEET) = 980.00 Mr FLOW LENGTH(FEET) = 900.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES = 1 .0* PIPE - FLOW(CFS) = 52.44 TRAVEL TIME(MIN.) = 1.31 TC(MIN.) = 16.48 "'" *.. _,***************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 634.00 TO NODE 634.10 I8 CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.310 ■- SOIL CLASSIFICATION I8 "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOBS RATE, Fm(INCH/HR) = .4850 " ^UBAREA AREA(ACRES) = 27.00 SUBAREA RUNOFF(CFS) = 44.35 .'FECTIVE AREA(ACRES) = 55.00 AVERAGED Fm(INCH/HR) = .414 TOTAL AREA(ACRES) = 55.00 PEAK FLOW RATE(CFS) = 93.83 TC(MIN) = 16.48 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** „.,. FLOW PROCESS FROM NODE 634.10 TO NODE 635.10 I8 CODE = 3 NO » » »COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< » » »USING COMPUTER- ESTIMATED PIPEBIZE (NON - PRESSURE FLOW) « «< DEPTH OF FLOW IN 42.0 INCH PIPE I8 29.0 INCHES °" PIPE -FLOW VELOCITY(FEET /SEC.) = 13.2 UPSTREAM NODE ELEVATION(FEET) = 980.00 ""' DOWNSTREAM NODE ELEVATION(FEET) = 957.00 FLOW LENGTH(FEET) = 1700.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 42.00 NUMBER OF PIPES = 1 - PIPE- FLOW(CFS) = 93.83 TRAVEL TIME(MIN.) = 2.14 TC(MIN.) = 18.62 .., ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 635.00 TO NODE 635.10 IS CODE = 8 » » »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.147 6 " SOIL CLASSIFICATION I8 HAI RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 "" SUBAREA AREA(ACRES) = 55.00 SUBAREA RUNOFF(CFB) = 82.26 EFFECTIVE AREA(ACRES) = 110.00 AVERAGED Fm(INCH /HR) = .450 TOTAL AREA(ACRES) = 110.00 PEAK FLOW RATE(CFS) = 168.01 „ TC(MIN) = 18.62 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 635.10 TO NODE 636.10 I8 CODE = 3 » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< » » »USING COMPUTER- ESTIMATED PIPEBIZE (NON - PRESSURE FLOW) « «< . r DEPTH OF FLOW IN 51.0 INCH PIPE IS 36.9 INCHES "" PIPE -FLOW VELOCITY(FEET /SEC.) = 15.3 UPSTREAM NODE ELEVATION(FEET) = 957.00 DOWNSTREAM NODE ELEVATION(FEET) = 920.00 FLOW LENGTH(FEET) = 2700.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 51.00 NUMBER OF PIPES = 1 err PIPE - FLOW(CFS) = 168.01 TRAVEL TIME(MIN.) = 2.94 TC(MIN.) = 21.56 - ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** '.1OW PROCESS FROM NODE 636.00 TO NODE 636.10 IS CODE = 8 » »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.966 +mo SOIL CLASSIFICATION I8 ""A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 '° SUBAREA AREA(ACRES) = 83.00 SUBAREA RUNOFF(CFS) = 110.63 EFFECTIVE AREA(ACRES) = 193.00 • "VERAGED Fm(INCH/HR) = .465 )TAL AREA(ACRES) = 193.00 LEAK FLOW RATE(CFS) = 260.74 „® TC(MIN) = 21.56 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 636.10 TO NODE 636.10 I8 CODE = 1 • » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE ««< m" TOTAL NUMBER OF STREAMS = 3 CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MIN.) = 21.56 RAINFALL INTENSITY(INCH /HR) = 1.97 • AVERAGED Fm(INCH /HR) = .46 EFFECTIVE STREAM AREA(ACRES) = 193.00 - TOTAL STREAM AREA(ACRES) = 193.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 260.74 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** +.. FLOW PROCESS FROM NODE 637.00 TO NODE 637.10 I8 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(FEET) = 1000.00 ?STREAM ELEVATION(FEET) = 1004.00 : 3OWNSTREAM ELEVATION(FEET) = 990.00 ELEVATION DIFFERENCE(FEET) = 14.00 TC(MIN.) = .389 *[( 1000.00 ** 3.00)/( 14.00)] ** .20 = 14.479 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.497 SOIL CLASSIFICATION I8 "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA RUNOFF(CFS) = 18.10 ..• TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 18.10 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** • FLOW PROCESS FROM NODE 637.10 TO NODE 638.10 IS CODE = 6 "' » » >COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA « «< 0. UPSTREAM ELEVATION(FEET) = 990.00 DOWNSTREAM ELEVATION(FEET) = 988.00 STREET LENGTH(FEET) = 450.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 36.00 rrr DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK(FEET) = 24.00 .., INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVEL TIME COMPUTED USING MEAN FLOW(CFS) = 18.10 STREET FLOW MODEL RESULTS: STREET FLOW DEPTH(FEET) = .64 HALFSTREET FLOOD WIDTH(FEET) = 13.88 AVERAGE FLOW VELOCITY(FEET /SEC.) = 2.58 PRODUCT OF DEPTH &VELOCITY = 1.64 ... STREET FLOW TRAVEL TIME(MIN.) = 2.91 TC(MIN.) = 17.39 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.237 - SOIL CLASSIFICATION I8 HA" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 211 SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 ';FFECTIVE AREA(ACRES) = 10.00 AVERAGED Fm(INCH /HR) = .49 TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 18.10 END OF SUBAREA STREET FLOW HYDRAULICS: DEPTH(FEET) = .64 HALFSTREET FLOOD WIDTH(FEET) = 13.88 FLOW VELOCITY(FEET /SEC.) = 2.58 DEPTH *VELOCITY = 1.64 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 638.00 TO NODE 638.10 I8 CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.237 SOIL CLASSIFICATION I8 "An 'r"' RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = 9.00 SUBAREA RUNOFF(CFS) = 14.19 "` EFFECTIVE AREA(ACRES) = 19.00 AVERAGED Fm(INCH/HR) = .485 TOTAL AREA(ACRES) = 19.00 PEAK FLOW RATE(CFS) = 29.95 - TC(MIN) = 17.39 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 638.10 TO NODE 639.10 IS CODE = 6 » » >COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA « «< PSTREAM ELEVATION(FEET) = 988.00 DOWNSTREAM ELEVATION(FEET) = 986.00 '""' .STREET LENGTH(FEET) = 450.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 36.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK(FEET) = 24.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVEL TIME COMPUTED USING MEAN FLOW(CFS) = 29.95 STREET FLOW MODEL RESULTS: NOTE: STREET FLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREET FLOW RESULTS ARE BASED ON THE ASSUMPTION THAT NEGLIBLE FLOW OCCURS OUTSIDE OF THE STREET CHANNEL. THAT IS, ALL FLOW ALONG THE PARKWAY, ETC., I8 NEGLECTED. " STREET FLOW DEPTH(FEET) = .76 HALFSTREET FLOOD WIDTH(FEET) = 19.87 AVERAGE FLOW VELOCITY(FEET /SEC.) = 2.70 PRODUCT OF DEPTH &VELOCITY = 2.04 STREET FLOW TRAVEL TIME(MIN.) = 2.77 TC(MIN.) = 20.16 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.047 rir SOIL CLASSIFICATION I8 HA" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 . SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 EFFECTIVE AREA(ACRES) = 19.00 AVERAGED Fm(INCH /HR) = .49 TOTAL AREA(ACRES) = 19.00 PEAK FLOW RATE(CFS) = 29.95 iD OF SUBAREA STREET FLOW HYDRAULICS: "' - APTH(FEET) = .76 HALFSTREET FLOOD WIDTH(FEET) = 19.87 FLOW VELOCITY(FEET /SEC.) = 2.70 DEPTH *VELOCITY = 2.04 rr * * * * * ********* ********** ************** * * *** *** * *** ** * **** **** * ** * * *i k #sir *** ** FLOW PROCESS FROM NODE 639.00 TO NODE 639.10 I8 CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.047 "" 30IL CLASSIFICATION I8 "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = 9.00 SUBAREA RUNOFF(CFS) = 12.65 EFFECTIVE AREA(ACRES) = 28.00 AVERAGED Fm(INCH/HR) = .485 """ TOTAL AREA(ACRES) = 28.00 PEAK FLOW RATE(CF8) = 39.35 ▪ TC(MIN) = 20.16 rr ********************************************* * * * * * * * * ** * * * * * * *** * * * * * * * * * * ** N. FLOW PROCESS FROM NODE 639.10 TO NODE 640.10 I8 CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< » » >USING COMPUTER- ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< ESTIMATED PIPE DIAMETER(INCH) INCREASED TO 36.000 DEPTH OF FLOW IN 36.0 INCH PIPE I8 21.9 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 8.7 UPSTREAM NODE ELEVATION(FEET) = 986.00 . DOWNSTREAM NODE ELEVATION(FEET) = 979.00 FLOW LENGTH(FEET) = 900.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES = 1 PIPE- FLOW(CFS) = 39.35 +" TRAVEL TIME(MIN.) = 1.72 TC(MIN.) = 21.88 ****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** • ILOW PROCESS FROM NODE 640.00 TO NODE 640.10 I8 CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< MI 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.949 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOBS RATE, Fm(INCH/HR) = .4850 • SUBAREA AREA(ACRES) = 27.00 SUBAREA RUNOFF(CFS) = 35.57 EFFECTIVE AREA(ACRES) = 55.00 -. AVERAGED Fm(INCH/HR) = .485 TOTAL AREA(ACRES) = 55.00 PEAK FLOW RATE(CF8) = 72.45 TC(MIN) = 21.88 ' nrl" ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 640.10 TO NODE 641.10 IS CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< » » >USING COMPUTER- ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< DEPTH OF FLOW IN 36.0 INCH PIPE I8 26.2 INCHES err PIPE -FLOW VELOCITY(FEET /SEC.) = 13.1 UPSTREAM NODE ELEVATION(FEET) = 979.00 . DOWNSTREAM NODE ELEVATION(FEET) = 951.00 FLOW LENGTH(FEET) = 1750.00 MANNING'S N = .013 " ESTIMATED PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES = 1 [PE- FLOW(CFS) = 72.45 "" GRAVEL TIME(MIN.) = 2.22 TC(MIN.) = 24.10 "m ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** r„ FLOW PROCESS FROM NODE 641.00 TO NODE 641.10 IS CODE = 8 • » »> ADDITION OF SUBAREA TO MAINLINE PEAR FLOW « « < .0 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.839 OIL CLASSIFICATION I8 "An • AESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = 55.00 SUBAREA RUNOFF(CFS) = 67.01 EFFECTIVE AREA(ACRES) = 110.00 AVERAGED Fm(INCH/HR) = .485 - TOTAL AREA(ACRES) = 110.00 ,,,, PEAK FLOW RATE(CFS) = 134.03 TC(MIN) = 24.10 • ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 641.10 TO NODE 642.10 IS CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< • » » >USING COMPUTER- ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< "' DEPTH OF FLOW IN 51.0 INCH PIPE I8 38.3 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 11.7 • UPSTREAM NODE ELEVATION(FEET) = 951.00 DOWNSTREAM NODE ELEVATION(FEET) = 929.50 • FLOW LENGTH(FEET) = 2700.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 51.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 134.03 TRAVEL TIME(MIN.) = 3.83 TC(MIN.) = 27.94 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** - FLOW PROCESS FROM NODE 642.00 TO NODE 642.10 IS CODE = 8 4,4 >» »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.683 SOIL CLASSIFICATION I8 "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 SUBAREA AREA(ACRES) = 83.00 SUBAREA RUNOFF(CFS) = 89.49 EFFECTIVE AREA(ACRES) = 193.00 „„, AVERAGED Fm(INCH/HR) = .485 TOTAL AREA(ACRES) = 193.00 ... PEAK FLOW RATE(CFS) = 208.08 TC(MIN) = 27.94 ... ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 642.10 TO NODE 636.10 I8 CODE = 4 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< • » » >USING USER- SPECIFIED PIPESIZE««< DEPTH OF FLOW IN 60.0 INCH PIPE I8 48.0 INCHES „ PIPE -FLOW VELOCITY(FEET /SEC.) = 12.4 MO UPSTREAM NODE ELEVATION(FEET) = 929.50 r.r DOWNSTREAM NODE ELEVATION(FEET) = 920.00 FLOW LENGTH(FEET) = 1350.00 MANNING'S N = .013 •• GIVEN PIPE DIAMETER(INCH) = 60.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 208.08 ""' 'TRAVEL TIME(MIN.) = 1.82 TC(MIN.) = 29.76 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 636.10 TO NODE 636.10 I8 CODE = 1 •• tun » »DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « « < » » >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES « «< .. TOTAL NUMBER OF STREAMS = 3 "' e:ONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: . IME OF CONCENTRATION(MIN.) = 29.76 "" RAINFALL INTENSITY(INCH /HR) = 1.62 AVERAGED Fm(INCH /HR) = .49 .r EFFECTIVE STREAM AREA(ACRES) = 193.00 TOTAL STREAM AREA(ACRES) = 193.00 "" PEAK FLOW RATE(CFS) AT CONFLUENCE = 208.08 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO "., CONFLUENCE FORMULA USED FOR 3 STREAMS. A. ** PEAK FLOW RATE TABLE ** Q(CFS) TC(MIN.) Fm(INCH/HR) Ae(ACRES) A. 1 651.13 21.56 .477 470.70 2 609.28 30.18 .478 579.00 411' 3 613.78 29.76 .478 576.27 "'" COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 651.13 TC(MIN.) = 21.561 EFFECTIVE AREA(ACRES) = 470.70 AVERAGED Fm(INCH /HR) = .48 TOTAL AREA(ACRES) = 579.00 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** .., FLOW PROCESS FROM NODE 636.10 TO NODE 636.11 IS CODE = 4 » »COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< » »USING USER- SPECIFIED PIPESIZE « «< SSUME FULL- FLOWING PIPELINE eIPE -FLOW VELOCITY(FEET /SEC.) = 23.0 UPSTREAM NODE ELEVATION(FEET) = 920.00 "' DOWNSTREAM NODE ELEVATION(FEET) = 886.00 FLOW LENGTH(FEET) = 2700.00 MANNING'S N = .013 GIVEN PIPE DIAMETER(INCH) = 72.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 651.13 - TRAVEL TIME(MIN.) = 1.95 TC(MIN.) = 23.51 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 643.00 TO NODE 643.10 I8 CODE = 2 » »RATIONAL METHOD INITIAL SUBAREA ANALYSIS « «< DEVELOPMENT I8 COMMERCIAL TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW - LENGTH(FEET) = 750.00 '" UPSTREAM ELEVATION(FEET) = 942.00 DOWNSTREAM ELEVATION(FEET) = 934.00 ELEVATION DIFFERENCE(FEET) = 8.00 TC(MIN.) = .304 *[( 750.00 ** 3.00)/( 8.00)] ** .20 = 10.649 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.002 m SOIL CLASSIFICATION I8 "AEI COMMERCIAL SUBAREA LOSS RATE, Fm(INCH /HR) = .0970 .. SUBAREA RUNOFF(CFS) = 13.07 TOTAL AREA(ACRES) = 5.00 PEAK FLOW RATE(CFS) = 13.07 4111 * . ..****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 643.10 TO NODE 644.10 IS CODE = 6 > »COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA « «< UPSTREAM ELEVATION(FEET) = 934.00 DOWNSTREAM ELEVATION(FEET) = 926.00 �• STREET LENGTH(FEET) = 650.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 47.00 ISTANCE FROM CROWN TO CROSSFALL GRADEBREAK(FEET) = 35.00 - INTERIOR STREET CROSSFALL(DECIMAL) = .020 rr OUTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVEL TIME COMPUTED USING MEAN FLOW(CFS) = 13.07 STREET FLOW MODEL RESULTS: STREET FLOW DEPTH(FEET) = .48 HALFSTREET FLOOD WIDTH(FEET) = 9.03 AVERAGE FLOW VELOCITY(FEET /SEC.) = 3.67 PRODUCT OF DEPTH &VELOCITY = 1.76 e, STREET FLOW TRAVEL TIME(MIN.) = 2.95 TC(MIN.) = 13.60 as 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.592 SOIL CLASSIFICATION IS "A" "'" COMMERCIAL SUBAREA LOSS RATE, Fm(INCH /HR) = .0970 SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 EFFECTIVE AREA(ACRES) = 5.00 AVERAGED Fm(INCH /HR) = .10 TOTAL AREA(ACRES) = 5.00 PEAK FLOW RATE(CFS) = 13.07 • END OF SUBAREA STREET FLOW HYDRAULICS: DEPTH(FEET) = .48 HALFSTREET FLOOD WIDTH(FEET) = 9.03 FLOW VELOCITY(FEET /SEC.) = 3.67 DEPTH *VELOCITY = 1.76 ,w ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 644.00 TO NODE 644.10 I8 CODE = 8 » »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< owr 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.592 "" SOIL CLASSIFICATION IS "An COMMERCIAL SUBAREA LOSS RATE, Fm(INCH /HR) = .0970 rrr SUBAREA AREA(ACRES) = 5.00 SUBAREA RUNOFF(CFS) = 11.23 EFFECTIVE AREA(ACRES) = 10.00 • AVERAGED Fm(INCH /HR) = .097 , TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 22.46 • TC(MIN) = 13.60 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** la FLOW PROCESS FROM NODE 644.10 TO NODE 645.10 IS CODE = 6 » » >COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA «<« "" UPSTREAM ELEVATION(FEET) = 926.00 DOWNSTREAM ELEVATION(FEET) = 923.00 STREET LENGTH(FEET) = 350.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 47.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK(FEET) = 35.00 .w INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVEL TIME COMPUTED USING MEAN FLOW(CFS) = 22.46 STREET FLOW MODEL RESULTS: STREET FLOW DEPTH(FEET) = .61 xx HALFSTREET FLOOD WIDTH(FEET) = 12.82 AVERAGE FLOW VELOCITY(FEET /SEC.) = 3.47 +■+ PRODUCT OF DEPTH &VELOCITY = 2.13 STREET FLOW TRAVEL TIME(MIN.) = 1.68 TC(MIN.) = 15.28 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.417 "" SOIL CLASSIFICATION IS "Au ;OMMERCIAL SUBAREA LOSS RATE, Fm(INCH/HR) = .0970 '"` SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 EFFECTIVE AREA(ACRES) = 10.00 AVERAGED Fm(INCH/HR) = .10 TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 22.46 END OF SUBAREA STREET FLOW HYDRAULICS: DEPTH(FEET) = .61 HALFSTREET FLOOD WIDTH(FEET) = 12.82 ,,„ FLOW VELOCITY(FEET /SEC.) = 3.47 DEPTH *VELOCITY = 2.13 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** k+ FLOW PROCESS FROM NODE 645.00 TO NODE 645.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< at 25 YEAR RAINFALL INTENBITY(INCH /HOUR) = 2.417 SOIL CLASSIFICATION IS "Au "" COMMERCIAL SUBAREA LOSS RATE, Fm(INCH/HR) = .0970 SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 20.88 EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH/HR) = .097 TOTAL AREA(ACRES) = 20.00 w„ PEAK FLOW RATE(CFS) = 41.76 TC(MIN) = 15.28 wr ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 645.10 TO NODE 646.10 IS CODE = 3 » »COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< • .» »USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< 'um' ESTIMATED PIPE DIAMETER(INCH) INCREASED TO 36.000 DEPTH OF FLOW IN 36.0 INCH PIPE I8 21.5 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 9.5 UPSTREAM NODE ELEVATION(FEET) = 923.00 DOWNSTREAM NODE ELEVATION(FEET) = 916.00 • FLOW LENGTH(FEET) = 750.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES = 1 ..., PIPE- FLOW(CFS) = 41.76 TRAVEL TIME(MIN.) = 1.31 TC(MIN.) = 16.59 ..********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 646.00 TO NODE 646.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.300 SOIL CLASSIFICATION IS HA" COMMERCIAL SUBAREA LOSS RATE, Fm(INCH/HR) = .0970 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 39.66 rr EFFECTIVE AREA(ACRES) = 40.00 AVERAGED Fm(INCH /HR) = .097 ,.. TOTAL AREA(ACRES) = 40.00 PEAK FLOW RATE(CFS) = 79.32 ' TC(MIN) = 16.59 ow ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 646.10 TO NODE 646.11 I8 CODE = 3 ,lr *so » » >COMPUTE PIPE —FLOW TRAVEL TIME THRU SUBAREA « « < » » >USING COMPUTER— ESTIMATED PIPESIZE (NON — PRESSURE FLOW) « «< DEPTH OF FLOW IN 39.0 INCH PIPE I8 31.5 INCHES "" ^IPE —FLOW VELOCITY(FEET /SEC.) = 11.1 ?STREAM NODE ELEVATION(FEET) = 916.00 '" DOWNSTREAM NODE ELEVATION(FEET) = 914.00 mi FLOW LENGTH(FEET) = 200.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 39.00 NUMBER OF PIPES = 1 PIPE— FLOW(CFS) = 79.32 ' TRAVEL TIME(MIN.) = .30 TC(MIN.) = 16.90 rrr END OF STUDY SUMMARY: ,,„ TOTAL AREA(ACRES) = 40.00 TC(MIN.) = 16.90 EFFECTIVE AREA(ACRES) = 40.00 AVERAGED Fm(INCH /HR)= .10 me PEAK FLOW RATE(CFS) = 79.32 END OF RATIONAL METHOD ANALYSIS rr. mit tor row aer deo ale Mr rr Or ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE (Reference: 1986 SAN BERNARDINO CO. HYDROLOGY CRITERION) -. (c) Copyright 1983 -88 Advanced Engineering Software (aes) Ver. 5.2A Release Date: 7/08/88 Serial # 2929 Analysis prepared by: HALL & FOREMAN INC., 3170 REDHILL AVE., COSTA MESA, CA,92626 13 MARCH 1989, VERS. 5.2A 08 -15 -88 AUTHORIZATION CODE 136020001 * * * * * * * * * * * * * * * * * * * * * * * * ** DESCRIPTION OF STUDY * * * * * * * * * * * * * * * * * * * * * * * * ** * S. FONTANA MASTER S.D. PLAN: LINES DZ- 11,12,13,14,15,16. * Q 100 -YR. NOT DESIGN Q. LINES RUN FROM 8. OF I -10 FWY. TO DECLEZ CHANNEL * * T. ARROYO, 1/25/90. ******************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FILE NAME: SFONTD11.100 '" TIME /DATE OF STUDY: 12: 7 1/25/1990 "um USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: -- *TIME -OF- CONCENTRATION MODEL*- - USER SPECIFIED STORM EVENT(YEAR) = 100.00 — SPECIFIED MINIMUM PIPE SIZE(INCH) = 18.00 SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE = .95 *USER- DEFINED LOGARITHMIC INTERPOLATION USED FOR RAINFALL* 10 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = .910 -- '00 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.350 )MPUTED RAINFALL INTENSITY DATA: OTORM EVENT = 100.00 1 -HOUR INTENSITY(INCH /HOUR) = 1.3500 SLOPE OF INTENSITY DURATION CURVE = .6000 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ,- FLOW PROCESS FROM NODE 607.00 TO NODE 607.10 I8 CODE = 2 » »RATIONAL METHOD INITIAL - SUBAREA ANALYSIS « «< DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 5 -7 DWELLINGS /ACRE ftd TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW - LENGTH(FEET) = 750.00 ... UPSTREAM ELEVATION(FEET) = 1045.00 DOWNSTREAM ELEVATION(FEET) = 1037.00 ELEVATION DIFFERENCE(FEET) = 8.00 TC(MIN.) = .389 *[( 750.00 ** 3.00)/( 8.00)] ** .20 = 13.626 `"" 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.286 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA RUNOFF(CFS) = 18.90 TOTAL AREA(ACRES) = 7.50 PEAK FLOW RATE(CFS) = 18.90 . ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 607.10 TO NODE 608.10 I8 CODE = 5 »COMPUTE TRAPEZOIDAL - CHANNEL FLOW « «< .» »TRAVEL TIME THRU SUBAREA « «< UPSTREAM NODE ELEVATION(FEET) = 1037.00 DOWNSTREAM NODE ELEVATION(FEET) = 1034.00 gm CHANNEL LENGTH THRU SUBAREA(FEET) = 300.00 CHANNEL BASE(FEET) = 50.00 ""Z" FACTOR = 2.000 MANNING'S FACTOR = .030 MAXIMUM DEPTH(FEET) = 1.00 CHANNEL FLOW THRU SUBAREA(CFS) = 18.90 4111 "T,OW VELOCITY(FEET /SEC.) = 1.85 FLOW DEPTH(FEET) = .20 AVEL TIME(MIN.) = 2.70 TC(MIN.) = 16.32 '°° ********** ******#******* ******* ***** tktktk***** * **** * ** * *** *** *dr***t * ** *** ***** FLOW PROCESS FROM NODE 608.00 TO NODE 608.10 IS CODE = 8 » »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « « < 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.948 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = 7.50 SUBAREA RUNOFF(CFS) = 16.63 EFFECTIVE AREA(ACRES) = 15.00 AVERAGED Fm(INCH/HR) = .485 TOTAL AREA(ACRES) = 15.00 PEAK FLOW RATE(CFS) = 33.25 • TC(MIN) = 16.32 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** °" FLOW PROCESS FROM NODE 608.10 TO NODE 609.10 IS CODE = 5 » »COMPUTE TRAPEZOIDAL - CHANNEL FLOW « «< » »TRAVEL TIME THRU SUBAREA « «< .rw UPSTREAM NODE ELEVATION(FEET) = 1034.00 DOWNSTREAM NODE ELEVATION(FEET) = 1027.00 ^NANNEL LENGTH THRU SUBAREA(FEET) = 500.00 :ANNEL BASE(FEET) = 50.00 "Z" FACTOR = 2.000 • mANNING'S FACTOR = .030 MAXIMUM DEPTH(FEET) = 1.00 CHANNEL FLOW THRU SUBAREA(CFS) = 33.25 -• FLOW VELOCITY(FEET /SEC.) = 2.50 FLOW DEPTH(FEET) = .26 TRAVEL TIME(MIN.) = 3.33 TC(MIN.) = 19.65 `..°********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 609.00 TO NODE 609.10 I8 CODE = 8 ., » »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « « < • 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.637 SOIL CLASSIFICATION I8 "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 SUBAREA AREA(ACRES) = 15.00 SUBAREA RUNOFF(CFS) = 29.06 " EFFECTIVE AREA(ACRES) = 30.00 AVERAGED Fm(INCH /HR) = .485 "" TOTAL AREA(ACRES) = 30.00 err PEAK FLOW RATE(CFS) = 58.11 TC(MIN) = 19.65 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 609.10 TO NODE 610.10 IS CODE = 3 » »COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< • > » »USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< • ,DEPTH OF FLOW IN 33.0 INCH PIPE I8 25.7 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 11.7 NO UPSTREAM NODE ELEVATION(FEET) = 1027.00 DOWNSTREAM NODE ELEVATION(FEET) = 1013.00 .,r FLOW LENGTH(FEET) = 1000.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 33.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 58.11 TRAVEL TIME(MIN.) = 1.43 TC(MIN.) = 21.08 **:****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 610.00 TO NODE 610.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.529 SOIL CLASSIFICATION IS "A" - RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 SUBAREA AREA(ACRES) = 30.00 SUBAREA RUNOFF(CFS) = 55.18 •W EFFECTIVE AREA(ACRES) = 60.00 AVERAGED Fm(INCH /HR) = .485 •- TOTAL AREA(ACRES) = 60.00 PEAK FLOW RATE(CFS) = 110.36 TC(MIN) = 21.08 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** "" FLOW PROCESS FROM NODE 610.10 TO NODE 611.10 I8 CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « « < DEPTH OF FLOW IN 45.0 INCH PIPE IS 31.5 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 13.4 UPSTREAM NODE ELEVATION(FEET) = 1013.00 DOWNSTREAM NODE ELEVATION(FEET) = 998.00 - "LOW LENGTH(FEET) = 1200.00 MANNING'S N = .013 :TIMATED PIPE DIAMETER(INCH) = 45.00 NUMBER OF PIPES = 1 - YIPE- FLOW(CFS) = 110.36 TRAVEL TIME(MIN.) = 1.50 TC(MIN.) = 22.58 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 611.00 TO NODE 611.10 I8 CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.427 SOIL CLASSIFICATION I8 "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA L088 RATE, Fm(INCH/HR) = .4850 SUBAREA AREA(ACRES) = 36.00 SUBAREA RUNOFF(CFS) = 62.91 EFFECTIVE AREA(ACRES) = 96.00 AVERAGED Fm(INCH /HR) = .485 TOTAL AREA(ACRES) = 96.00 PEAK FLOW RATE(CFS) = 167.77 TC(MIN) = 22.58 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 611.10 TO NODE 611.11 I8 CODE = 3 are » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< ** » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< °"" nEPTH OF FLOW IN 51.0 INCH PIPE IS 38.9 INCHES :PE -FLOW VELOCITY(FEET /SEC.) = 14.4 "" UPSTREAM NODE ELEVATION(FEET) = 998.00 DOWNSTREAM NODE ELEVATION(FEET) = 992.00 FLOW LENGTH(FEET) = 500.00 MANNING'S N = .013 ®.. ESTIMATED PIPE DIAMETER(INCH) = 51.00 NUMBER OF PIPES = 1 • PIPE - FLOW(CFS) = 167.77 TRAVEL TIME(MIN.) = .58 TC(MIN.) = 23.15 **-.****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** AMP PROCESS FROM NODE 611.01 TO NODE 611.11 I8 CODE = 8 err » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « « < --- -- - --- ---- -- - 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.390 "" SOIL CLASSIFICATION I8 "A" • RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 SUBAREA AREA(ACRES) = 16.00 SUBAREA RUNOFF(CFS) = 27.44 EFFECTIVE AREA(ACRES) = 112.00 AVERAGED Fm(INCH /HR) = .485 ..• TOTAL AREA(ACRES) = 112.00 PEAK FLOW RATE(CFS) = 192.05 TC(MIN) = 23.15 VINO ********************************************* ** **** ** * * * * * * * ** * * * ******** *** '"" FLOW PROCESS FROM NODE 611.11 TO NODE 612.10 IS CODE = 3 • » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< , DEPTH OF FLOW IN 51.0 INCH PIPE I8 38.7 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 16.6 .,, UPSTREAM NODE ELEVATION(FEET) = 992.00 DOWNSTREAM NODE ELEVATION(FEET) = 949.00 FLOW LENGTH(FEET) = 2700.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 51.00 NUMBER OF PIPES = 1 �- "IPE- FLOW(CFS) = 192.05 tAVEL TIME(MIN.) = 2.71 TC(MIN.) = 25.86 ^-* ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 612.00 TO NODE 612.10 I8 CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.237 SOIL CLASSIFICATION I8 "A" - RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 SUBAREA AREA(ACRES) = 80.00 SUBAREA RUNOFF(CFS) = 126.13 ..� EFFECTIVE AREA(ACRES) = 192.00 AVERAGED Fm(INCH /HR) = .485 TOTAL AREA(ACRES) = 192.00 PEAK FLOW RATE(CFS) = 302.71 41 " TC(MIN) = 25.86 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 612.10 TO NODE 612.11 I8 CODE = 4 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « « < • » » >USING USER- SPECIFIED PIPESIZE««< DEPTH OF FLOW IN 72.0 INCH PIPE IS 43.1 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 17.1 TPSTREAM NODE ELEVATION(FEET) = 949.00 )WNSTREAM NODE ELEVATION(FEET) = 937.00 - rLOW LENGTH(FEET) = 1000.00 MANNING'S N = .013 mr GIVEN PIPE DIAMETER(INCH) = 72.00 NUMBER OF PIPES = 1 PIPE- FLOW(CFS) = 302.71 „ TRAVEL TIME(MIN.) = .97 TC(MIN.) = 26.83 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 41. FLOW PROCESS FROM NODE 613.00 TO NODE 613.10 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(FEET) = 900.00 UPSTREAM ELEVATION(FEET) = 1040.00 • DOWNSTREAM ELEVATION(FEET) = 1024.00 ELEVATION DIFFERENCE(FEET) = 16.00 .., TC(MIN.) = .389 *[( 900.00 ** 3.00)/( 16.00)] ** .20 = 13.233 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.344 40 SOIL CLASSIFICATION IS 'AEI RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 SUBAREA RUNOFF(CFS) = 23.16 TOTAL AREA(ACRES) = 9.00 PEAK FLOW RATE(CFS) = 23.16 "" ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** Aes FLOW PROCESS FROM NODE 613.10 TO NODE 614.10 IB CODE = 6 > »COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA « «< ow UPSTREAM ELEVATION(FEET) = 1024.00 DOWNSTREAM ELEVATION(FEET) = 1020.00 STREET LENGTH(FEET) = 600.00 CURB HEIGTH(INCHES) = 6. • STREET HALFWIDTH(FEET) = 18.00 "w DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK(FEET) = 10.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 ^^ ^UTSIDE STREET CROSSFALL(DECIMAL) = .040 `" SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVEL TIME COMPUTED USING MEAN FLOW(CFS) = 23.16 ** *STREET FLOWING FULL * ** STREET FLOW MODEL RESULTS: NOTE: STREET FLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREET FLOW 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 FLOW DEPTH(FEET) = .63 HALFSTREET FLOOD WIDTH(FEET) = 18.00 AVERAGE FLOW VELOCITY(FEET /SEC.) = 2.79 PRODUCT OF DEPTH &VELOCITY = 1.75 1 "w STREET FLOW TRAVEL TIME(MIN.) = 3.59 TC(MIN.) = 16.82 imp 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.896 SOIL CLASSIFICATION I8 "A"" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOBS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 EFFECTIVE AREA(ACRES) = 9.00 AVERAGED Fm(INCH/HR) = .49 AOM TOTAL AREA(ACRES) = 9.00 PEAK FLOW RATE(CFS) = 23.16 END OF SUBAREA STREET FLOW HYDRAULICS: DEPTH(FEET) = .63 HALFSTREET FLOOD WIDTH(FEET) = 18.00 FLOW VELOCITY(FEET /SEC.) = 2.79 DEPTH *VELOCITY = 1.75 AM W ********************************************* * ** ** * * * ** * * ** * * * * ** ** * * ** * ** ** ,OW PROCESS FROM NODE 614.00 TO NODE 614.10 I8 CODE = 8 POMP MIN > »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< ,"„ 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.896 so um SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = 5.50 SUBAREA RUNOFF(CFS) = 11.93 EFFECTIVE AREA(ACRES) = 14.50 'VERAGED Fm(INCH /HR) = .485 )TAL AREA(ACRES) = 14.50 ""' YEAR FLOW RATE(CFS) = 31.46 TC(MIN) = 16.82 iso ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ,,,„ FLOW PROCESS FROM NODE 614.10 TO NODE 615.10 IS CODE = 6 - » » >COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA « « < err UPSTREAM ELEVATION(FEET) = 1020.00 DOWNSTREAM ELEVATION(FEET) = 1014.00 STREET LENGTH(FEET) = 450.00 CURB HEIGTH(INCHES) = 8. -• STREET HALFWIDTH(FEET) = 26.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK(FEET) = 18.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 "- SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVEL TIME COMPUTED USING MEAN FLOW(CFS) = 31.46 STREET FLOW MODEL RESULTS: STREET FLOW DEPTH(FEET) = .62 HALFSTREET FLOOD WIDTH(FEET) = 17.28 AVERAGE FLOW VELOCITY(FEET /SEC.) = 4.17 PRODUCT OF DEPTH &VELOCITY = 2.60 STREET FLOW TRAVEL TIME(MIN.) = 1.80 TC(MIN.) = 18.62 .00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.724 saw BOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 EFFECTIVE AREA(ACRES) = 14.50 AVERAGED Fm(INCH/HR) = .49 TOTAL AREA(ACRES) = 14.50 PEAK FLOW RATE(CFS) = 31.46 END OF SUBAREA STREET FLOW HYDRAULICS: DEPTH(FEET) = .62 HALFSTREET FLOOD WIDTH(FEET) = 17.28 • FLOW VELOCITY(FEET /SEC.) = 4.17 DEPTH *VELOCITY = 2.60 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** - FLOW PROCESS FROM NODE 615.00 TO NODE 615.10 I8 CODE = 8 - » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< "' 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.724 SOIL CLASSIFICATION I8 "An '"" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = 14.50 SUBAREA RUNOFF(CFS) = 29.22 EFFECTIVE AREA(ACRES) = 29.00 AVERAGED Fm(INCH/HR) = .485 TOTAL AREA(ACRES) = 29.00 de PEAK FLOW RATE(CFS) = 58.44 TC(MIN) = 18.62 • ********************************************* * * * * * * * ** * * * * * * * * * * * * * * * * * * * * ** ,OW PROCESS FROM NODE 615.10 TO NODE 616.10 I8 CODE = 6 » » >COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA « «< UPSTREAM ELEVATION(FEET) = 1014.00 DOWNSTREAM ELEVATION(FEET) = 1001.00 4* STREET LENGTH(FEET) = 950.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 26.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK(FEET) = 18.00 may TNTERIOR STREET CROSSFALL(DECIMAL) = .020 JTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVEL TIME COMPUTED USING MEAN FLOW(CF8) = 58.44 STREET FLOW MODEL RESULTS: NOTE: STREET FLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREET FLOW RESULTS ARE BASED ON THE ASSUMPTION THAT NEGLIBLE FLOW OCCURS OUTSIDE OF THE STREET CHANNEL. THAT I8, ALL FLOW ALONG THE PARKWAY, ETC., IS NEGLECTED. STREET FLOW DEPTH(FEET) = .75 HALFSTREET FLOOD WIDTH(FEET) = 23.47 AVERAGE FLOW VELOCITY(FEET /SEC.) = 4.64 PRODUCT OF DEPTH &VELOCITY = 3.47 ago STREET FLOW TRAVEL TIME(MIN.) = 3.41 TC(MIN.) = 22.03 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.463 SOIL CLASSIFICATION IS 'An - RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 EFFECTIVE AREA(ACRES) = 29.00 AVERAGED Fm(INCH /HR) = .49 TOTAL AREA(ACRES) = 29.00 PEAK FLOW RATE(CFS) = 58.44 END OF SUBAREA STREET FLOW HYDRAULICS: - DEPTH(FEET) = .75 HALFSTREET FLOOD WIDTH(FEET) = 23.47 FLOW VELOCITY(FEET /SEC.) = 4.64 DEPTH *VELOCITY = 3.47 �.. **+****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** .OW PROCESS FROM NODE 616.00 TO NODE 616.10 I8 CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.463 SOIL CLASSIFICATION IS "An RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = 29.00 SUBAREA RUNOFF(CFS) = 51.62 EFFECTIVE AREA(ACRES) = 58.00 AVERAGED Fm(INCH /HR) = .485 .,. TOTAL AREA(ACRES) = 58.00 PEAK FLOW RATE(CFS) = 103.23 TC(MIN) = 22.03 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** *l " FLOW PROCESS FROM NODE 616.10 TO NODE 617.10 I8 CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< » » > USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< DEPTH OF FLOW IN 42.0 INCH PIPE I8 32.6 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 12.9 .rr UPSTREAM NODE ELEVATION(FEET) = 1001.00 DOWNSTREAM NODE ELEVATION(FEET) = 980.00 • FLOW LENGTH(FEET) = 1700.00. MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 42.00 NUMBER OF PIPES = 1 di* PIPE FLOW(CFS) = 103.23 tAVEL TIME(MIN.) = 2.20 TC(MIN.) = 24.23 • ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 617.00 TO NODE 617.10 I8 CODE = 8 » »ADDITION OF SUBAREA TO MAINLINE PEAR FLOW « « < 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.326 41 " 0 OIL CLASSIFICATION I8 "An ;SIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 '" SUBAREA AREA(ACRES) = 54.00 SUBAREA RUNOFF(CFS) = 89.47 EFFECTIVE AREA(ACRES) = 112.00 '"" AVERAGED Fm(INCH /HR) = .485 TOTAL AREA(ACRES) = 112.00 - PEAK FLOW RATE(CFS) = 185.57 TC(MIN) = 24.23 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** air FLOW PROCESS FROM NODE 617.10 TO NODE 618.10 I8 CODE = 3 » »COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< » »USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< DEPTH OF FLOW IN 51.0 INCH PIPE I8 41.7 INCHES -* PIPE -FLOW VELOCITY(FEET /SEC.) = 14.9 UPSTREAM NODE ELEVATION(FEET) = 980.00 - DOWNSTREAM NODE ELEVATION(FEET) = 945.50 FLOW LENGTH(FEET) = 2700.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 51.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 185.57 TRAVEL TIME(MIN.) = 3.01 TC(MIN.) = 27.24 • ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 618.00 TO NODE 618.10 I8 CODE = 8 »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.168 - SOIL CLASSIFICATION I8 "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 SUBAREA AREA(ACRES) = 80.00 SUBAREA RUNOFF(CFS) = 121.19 EFFECTIVE AREA(ACRES) = 192.00 AVERAGED Fm(INCH /HR) = .485 • TOTAL AREA(ACRES) = 192.00 PEAK FLOW RATE(CFS) = 290.86 ,�. TC(MIN) = 27.24 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** «*' FLOW PROCESS FROM NODE 618.10 TO NODE 624.10 I8 CODE = 4 • > »COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< > »USING USER - SPECIFIED PIPESIZE««< DEPTH OF FLOW IN 78.0 INCH PIPE I8 51.0 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 12.6 UPSTREAM NODE ELEVATION(FEET) = 945.50 DOWNSTREAM NODE ELEVATION(FEET) = 938.00 ow FLOW LENGTH(FEET) = 1350.00 MANNING'S N = .013 GIVEN PIPE DIAMETER(INCH) = 78.00 NUMBER OF PIPES = 1 ..� PIPE - FLOW(CFS) = 290.86 TRAVEL TIME(MIN.) = 1.78 TC(MIN.) = 29.02 • *%_****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** w FLOW PROCESS FROM NODE 624.10 TO NODE 624.10 I8 CODE = 1 > »DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< +.r TOTAL NUMBER OF STREAMS = 2 a.. CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MIN.) = 29.02 °a ' °AINFALL INTENSITY(INCH /HR) = 2.09 'ERAGED Fm(INCH /HR) = .49 rFFECTIVE STREAM AREA(ACRES) = 192.00 TOTAL STREAM AREA(ACRES) = 192.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 290.86 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 619.00 TO NODE 619.10 I8 CODE = 2 » »RATIONAL METHOD INITIAL SUBAREA ANALYSIS « «< ,rr DEVELOPMENT I8 SINGLE FAMILY RESIDENTIAL -> 5 -7 DWELLINGS /ACRE �• TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW - LENGTH(FEET) = 800.00 * UPSTREAM ELEVATION(FEET) = 1025.00 DOWNSTREAM ELEVATION(FEET) = 1015.00 "" ELEVATION DIFFERENCE(FEET) = 10.00 TC(MIN.) = .389 *[( 800.00 ** 3.00)/( 10.00)] ** .20 = 13.546 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.297 SOIL CLASSIFICATION I8 "An • RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 • SUBAREA RUNOFF(CFS) = 17.72 TOTAL AREA(ACRES) = 7.00 PEAK FLOW RATE(CFS) = 17.72 • ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 619.10 TO NODE 620.10 IS CODE = 6 »COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA « «< UPSTREAM ELEVATION(FEET) = 1015.00 DOWNSTREAM ELEVATION(FEET) = 1013.00 '""" STREET LENGTH(FEET) = 650.00 CURB HEIGTH(INCHES) = 6. ow STREET HALFWIDTH(FEET) = 18.00 ,,,, DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK(FEET) = 10.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 ▪ OUTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 ... * *TRAVEL TIME COMPUTED USING MEAN FLOW(CFS) = 17.72 ** *STREET FLOWING FULL * ** STREET FLOW MODEL RESULTS: NOTE: STREET FLOW EXCEEDS TOP OF CURB. tam THE FOLLOWING STREET FLOW RESULTS ARE BASED ON THE ASSUMPTION THAT NEGLIBLE FLOW OCCURS OUTSIDE OF THE STREET CHANNEL. THAT IS, ALL FLOW ALONG THE PARKWAY, ETC., I8 NEGLECTED. wo STREET FLOW DEPTH(FEET) = .63 HALFSTREET FLOOD WIDTH(FEET) = 18.00 AVERAGE FLOW VELOCITY(FEET /SEC.) = 2.13 PRODUCT OF DEPTH &VELOCITY = 1.34 +ow STREET FLOW TRAVEL TIME(MIN.) = 5.08 TC(MIN.) = 18.62 ®,. 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.724 SOIL CLASSIFICATION I8 "A'" "" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 TBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 m' ..FFECTIVE AREA(ACRES) = 7.00 AVERAGED Fm(INCH/HR) = .48 TOTAL AREA(ACRES) = 7.00 PEAK FLOW RATE(CFS) = 17.72 END OF SUBAREA STREET FLOW HYDRAULICS: DEPTH(FEET) = .63 HALFSTREET FLOOD WIDTH(FEET) = 18.00 as w. FLOW VELOCITY(FEET /SEC.) = 2.13 DEPTH *VELOCITY = 1.34 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** wr ^LOW PROCESS FROM NODE 620.00 TO NODE 620.10 IS CODE = 8 • » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.724 SOIL CLASSIFICATION IS "A" • RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = 7.00 SUBAREA RUNOFF(CFS) = 14.11 EFFECTIVE AREA(ACRES) = 14.00 ,, AVERAGED Fm(INCH /HR) = .485 TOTAL AREA(ACRES) = 14.00 ✓ PEAK FLOW RATE(CFS) = 28.21 TC(MIN) = 18.62 w r�r ********************************************* * * * * * * * * * * * *** * * * * * * *** * * **** ** FLOW PROCESS FROM NODE 620.10 TO NODE 621.10 I8 CODE = 6 » » >COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA « «< UPSTREAM ELEVATION(FEET) = 1013.00 DOWNSTREAM ELEVATION(FEET) = 1004.00 STREET LENGTH(FEET) = 450.00 CURB HEIGTH(INCHES) = 8. ow STREET HALFWIDTH(FEET) = 47.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK(FEET) = 35.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 ,w OUTSIDE STREET CROSSFALL(DECIMAL) = .040 • ^PECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVEL TIME COMPUTED USING MEAN FLOW(CFS) = 28.21 STREET FLOW MODEL RESULTS: STREET FLOW DEPTH(FEET) = .57 HALFSTREET FLOOD WIDTH(FEET) = 11.22 woo AVERAGE FLOW VELOCITY(FEET /SEC.) = 5.29 PRODUCT OF DEPTH &VELOCITY = 3.00 w" STREET FLOW TRAVEL TIME(MIN.) = 1.42 TC(MIN.) = 20.04 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.607 ,.. SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 ... SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 EFFECTIVE AREA(ACRES) = 14.00 AVERAGED Fm(INCH /HR) = .48 - TOTAL AREA(ACRES) = 14.00 PEAK FLOW RATE(CFS) = 28.21 END OF SUBAREA STREET FLOW HYDRAULICS: DEPTH(FEET) = .57 HALFSTREET FLOOD WIDTH(FEET) = 11.22 FLOW VELOCITY(FEET /SEC.) = 5.29 DEPTH *VELOCITY = 3.00 MN ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 621.00 TO NODE 621.10 I8 CODE = 8 • » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< .., 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.607 SOIL CLASSIFICATION I8 "A" r RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 TBAREA AREA(ACRES) = 14.00 SUBAREA RUNOFF(CFS) = 26.73 EFFECTIVE AREA(ACRES) = 28.00 AVERAGED Fm(INCH /HR) = .485 TOTAL AREA(ACRES) = 28.00 PEAK FLOW RATE(CFS) = 53.46 ar TC(MIN) = 20.04 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** • 'LOW PROCESS FROM NODE 621.10 TO NODE 622.10 I8 CODE = 6 » »>COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA « «< • UPSTREAM ELEVATION(FEET) = 1004.00 DOWNSTREAM ELEVATION(FEET) = 991.00 STREET LENGTH(FEET) = 950.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 47.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK(FEET) = 35.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 err SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVEL TIME COMPUTED USING MEAN FLOW(CFS) = 53.46 STREET FLOW MODEL RESULTS: NOTE: STREET FLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREET FLOW RESULTS ARE BASED ON THE ASSUMPTION THAT NEGLIBLE FLOW OCCURS OUTSIDE OF THE STREET CHANNEL. THAT I8, ALL FLOW ALONG THE PARKWAY, ETC., I8 NEGLECTED. STREET FLOW DEPTH(FEET) = .76 HALFSTREET FLOOD WIDTH(FEET) = 19.93 AVERAGE FLOW VELOCITY(FEET /SEC.) = 4.81 PRODUCT OF DEPTH &VELOCITY = 3.64 - STREET FLOW TRAVEL TIME(MIN.) = 3.29 TC(MIN.) = 23.33 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.379 SOIL CLASSIFICATION IS 'A" "ESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 7BAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 ,.. rFFECTIVE AREA(ACRES) = 28.00 AVERAGED Fm(INCH /HR) = .48 TOTAL AREA(ACRES) = 28.00 PEAK FLOW RATE(CFS) = 53.46 END OF SUBAREA STREET FLOW HYDRAULICS: DEPTH(FEET) = .76 HALFSTREET FLOOD WIDTH(FEET) = 19.93 FLOW VELOCITY(FEET /SEC.) = 4.81 DEPTH *VELOCITY = 3.64 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 622.00 TO NODE 622.10 I8 CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.379 • SOIL CLASSIFICATION I8 "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 ° SUBAREA AREA(ACRES) = 28.00 SUBAREA RUNOFF(CFS) = 47.73 EFFECTIVE AREA(ACRES) = 56.00 "" AVERAGED Fm(INCH /HR) = .485 TOTAL AREA(ACRES) = 56.00 PEAK FLOW RATE(CFS) = 95.47 TC(MIN) = 23.33 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** .. FLOW PROCESS FROM NODE 622.10 TO NODE 623.10 I8 CODE = 3 >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< »> USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< DEPTH OF FLOW IN 42.0 INCH PIPE I8 33.5 INCHES • PIPE -FLOW VELOCITY(FEET /SEC.) = 11.6 UPSTREAM NODE ELEVATION(FEET) = 991.00 err ",,. DOWNSTREAM NODE ELEVATION(FEET) = 974.00 FLOW LENGTH(FEET) = 1700.00 MANNING'S N = .013 ▪ ESTIMATED PIPE DIAMETER(INCH) = 42.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 95.47 w '"RAVEL TIME(MIN.) = 2.44 TC(MIN.) = 25.77 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ' FLOW PROCESS FROM NODE 623.00 TO NODE 623.10 I8 CODE = 8 • »»>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.241 SOIL CLASSIFICATION I8 "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 „rr SUBAREA AREA(ACRES) = 55.00 SUBAREA RUNOFF(CFS) = 86.94 EFFECTIVE AREA(ACRES) = 111.00 .., AVERAGED Fm(INCH /HR) = .485 TOTAL AREA(ACRES) = 111.00 wr PEAK FLOW RATE(CFS) = 175.46 TC(MIN) = 25.77 • ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 623.10 TO NODE 624.10 I8 CODE = 3 » »> COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< DEPTH OF FLOW IN 51.0 INCH PIPE IS 38.7 INCHES 4.1 PIPE -FLOW VELOCITY(FEET /SEC.) = 15.2 UPSTREAM NODE ELEVATION(FEET) = 974.00 " OWNSTREAM NODE ELEVATION(FEET) = 938.00 .OW LENGTH(FEET) = 2700.00 MANNING'S N = .013 zSTIMATED PIPE DIAMETER(INCH) = 51.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 175.46 "go TRAVEL TIME(MIN.) = 2.96 TC(MIN.) = 28.73 w" ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** • FLOW PROCESS FROM NODE 624.00 TO NODE 624.10 I8 CODE = 8 rir » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.100 war SOIL CLASSIFICATION I8 "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LO88 RATE, Fm(INCH/HR) = .4850 ." SUBAREA AREA(ACRES) = 83.00 SUBAREA RUNOFF(CFS) = 120.63 EFFECTIVE AREA(ACRES) = 194.00 4 ' AVERAGED Fm(INCH /HR) = .485 TOTAL AREA(ACRES) = 194.00 "" PEAK FLOW RATE(CFS) = 281.95 TC(MIN) = 28.73 ide +.' ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** or FLOW PROCESS FROM NODE 624.10 TO NODE 624.10 I8 CODE = 1 • » »>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< » »>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES « «< mr )TAL NUMBER OF STREAMS = 2 ""' .. ONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MIN.) = 28.73 • RAINFALL INTENSITY(INCH /HR) = 2.10 AVERAGED Fm(INCH /HR) = .49 Mleb mm EFFECTIVE STREAM AREA(ACRES) = 194.00 TOTAL STREAM AREA(ACRES) = 194.00 .. PEAK FLOW RATE(CFS) AT CONFLUENCE = 281.95 °AINFALL INTENSITY AND TIME OF CONCENTRATION RATIO INFLUENCE FORMULA USED FOR 2 STREAMS. ** PEAK FLOW RATE TABLE ** Q(CFS) TC(MIN.) Fm(INCH /HR) Ae(ACRES) 1 570.63 29.02 .485 386.00 "- 2 572.18 28.73 .485 384.10 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 572.18 TC(MIN.) = 28.734 EFFECTIVE AREA(ACRES) = 384.10 AVERAGED Fm(INCH /HR) = .49 �., TOTAL AREA(ACRES) = 386.00 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 624.10 TO NODE 624.11 IS CODE = 4 - » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< » » >USING USER- SPECIFIED PIPESIZE « «< DEPTH OF FLOW IN 78.0 INCH PIPE I8 59.7 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 21.0 UPSTREAM NODE ELEVATION(FEET) = 938.00 DOWNSTREAM NODE ELEVATION(FEET) = 915.00 - FLOW LENGTH(FEET) = 1600.00 MANNING'S N = .013 GIVEN PIPE DIAMETER(INCH) = 78.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 572.18 TRAVEL TIME(MIN.) = 1.27 TC(MIN.) = 30.00 **.****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 625.00 TO NODE 625.10 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(FEET) = 1000.00 UPSTREAM ELEVATION(FEET) = 1020.00 - DOWNSTREAM ELEVATION(FEET) = 1002.00 ELEVATION DIFFERENCE(FEET) = 18.00 • TC(MIN.) = .389 *[( 1000.00 ** 3.00)/( 18.00)] ** .20 = 13.769 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.265 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA RUNOFF(CFS) = 25.02 TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 25.02 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 625.10 TO NODE 626.10 I8 CODE = 6 NMI ,m » » >COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA « «< ,,,. UPSTREAM ELEVATION(FEET) = 1002.00 DOWNSTREAM ELEVATION(FEET) = 1000.00 STREET LENGTH(FEET) = 450.00 CURB HEIGTH(INCHES) = 6. +i STREET HALFWIDTH(FEET) = 20.00 "" ..ISTANCE FROM CROWN TO CROSSFALL GRADEBREAK(FEET) = 12.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 „r. SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVEL TIME COMPUTED USING MEAN FLOW(CFS) = 25.02 ** *STREET FLOWING FULL * ** STREET FLOW MODEL RESULTS: NOTE: STREET FLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREET FLOW 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 FLOW DEPTH(FEET) = .67 HALFSTREET FLOOD WIDTH(FEET) = 20.00 AVERAGE FLOW VELOCITY(FEET /SEC.) = 2.54 PRODUCT OF DEPTH &VELOCITY = 1.69 STREET FLOW TRAVEL TIME(MIN.) = 2.96 TC(MIN.) = 16.72 - 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.905 SOIL CLASSIFICATION IS "A" ,.. RESIDENTIAL -> 5 - DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 r" EFFECTIVE AREA(ACRES) = 10.00 AVERAGED Fm(INCH/HR) = .49 TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 25.02 END OF SUBAREA STREET FLOW HYDRAULICS: DEPTH(FEET) = .67 HALFSTREET FLOOD WIDTH(FEET) = 20.00 " FLOW VELOCITY(FEET /SEC.) = 2.54 DEPTH *VELOCITY = 1.69 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 626.00 TO NODE 626.10 I8 CODE = 8 m, » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.905 ..... gOIL CLASSIFICATION IS "A" :SIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 OUBAREA AREA(ACRES) = 9.00 SUBAREA RUNOFF(CFS) = 19.61 EFFECTIVE AREA(ACRES) = 19.00 -- AVERAGED Fm(INCH /HR) = .485 TOTAL AREA(ACRES) = 19.00 " PEAK FLOW RATE(CFS) = 41.39 TC(MIN) = 16.72 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** „ FLOW PROCESS FROM NODE 626.10 TO NODE 627.10 I8 CODE = 6 ... » » >COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA « «< ... UPSTREAM ELEVATION(FEET) = 1000.00 DOWNSTREAM ELEVATION(FEET) = 998.00 STREET LENGTH(FEET) = 400.00 CURB HEIGTH(INCHES) = 6. ' STREET HALFWIDTH(FEET) = 20.00 - DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK(FEET) = 12.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 im OUTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 40 * *TRAVEL TIME COMPUTED USING MEAN FLOW(CFS) = 41.39 ** *STREET FLOWING FULL * ** STREET FLOW MODEL RESULTS: NOTE: STREET FLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREET FLOW 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 FLOW DEPTH(FEET) = .74 HALFSTREET FLOOD WIDTH(FEET) = 20.00 rrr AVERAGE FLOW VELOCITY(FEET /SEC.) = 3.19 PRODUCT OF DEPTH &VELOCITY = 2.37 me STREET FLOW TRAVEL TIME(MIN.) = 2.09 TC(MIN.) = 18.82 as 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.707 )IL CLASSIFICATION IS "A" • RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 rr� SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 EFFECTIVE AREA(ACRES) = 19.00 AVERAGED Fm(INCH /HR) = .49 TOTAL AREA(ACRES) = 19.00 PEAR FLOW RATE(CFS) = 41.39 END OF SUBAREA STREET FLOW HYDRAULICS: • DEPTH(FEET) = .74 HALFSTREET FLOOD WIDTH(FEET) = 20.00 FLOW VELOCITY(FEET /SEC.) = 3.19 DEPTH *VELOCITY = 2.37 m ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 627.00 TO NODE 627.10 I8 CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « « < err 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.707 " SOIL CLASSIFICATION I8 "An �.r RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSE RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = 9.00 SUBAREA RUNOFF(CFS) = 18.00 EFFECTIVE AREA(ACRES) = 28.00 AVERAGED Fm(INCH /HR) = .485 ,, TOTAL AREA(ACRES) = 28.00 PEAK FLOW RATE(CFS) = 56.00 ... TC(MIN) = 18.82 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ". L'LOW PROCESS FROM NODE 627.10 TO NODE 628.10 I8 CODE = 6 "" >» »COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA « «< "" UPSTREAM ELEVATION(FEET) = 998.00 DOWNSTREAM ELEVATION(FEET) = 985.00 rr STREET LENGTH(FEET) = 900.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 24.00 - DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK(FEET) = 16.00 ,". INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVEL TIME COMPUTED USING MEAN FLOW(CFS) = 56.00 STREET FLOW MODEL RESULTS: NOTE: STREET FLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREET FLOW 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 FLOW DEPTH(FEET) = .73 HALFSTREET FLOOD WIDTH(FEET) = 22.50 AVERAGE FLOW VELOCITY(FEET /SEC.) = 4.78 PRODUCT OF DEPTH &VELOCITY = 3.48 am STREET FLOW TRAVEL TIME(MIN.) = 3.14 TC(MIN.) = 21.95 .�, 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.468 SOIL CLASSIFICATION I8 "An "'/ RESIDENTIAL - 5 - DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 TBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 .PFECTIVE AREA(ACRES) = 28.00 AVERAGED Fm(INCH /HR) = .48 TOTAL AREA(ACRES) = 28.00 PEAK FLOW RATE(CFS) = 56.00 END OF SUBAREA STREET FLOW HYDRAULICS: ,,� DEPTH(FEET) = .73 HALFSTREET FLOOD WIDTH(FEET) = 22.50 an ... FLOW VELOCITY(FEET /SEC.) = 4.78 DEPTH *VELOCITY = 3.48 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** " "LOW PROCESS FROM NODE 628.00 TO NODE 628.10 I8 CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< ... 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.468 SOIL CLASSIFICATION IS 'An RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = 27.00 SUBAREA RUNOFF(CFS) = 48.19 EFFECTIVE AREA(ACRES) = 55.00 AVERAGED Fm(INCH /HR) = .485 TOTAL AREA(ACRES) = 55.00 ✓ PEAK FLOW RATE(CFS) = 98.16 TC(MIN) = 21.95 +w• ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 628.10 TO NODE 629.10 I8 CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< DEPTH OF FLOW IN 42.0 INCH PIPE I8 29.1 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 13.8 UPSTREAM NODE ELEVATION(FEET) = 985.00 DOWNSTREAM NODE ELEVATION(FEET) = 960.00 FLOW LENGTH(FEET) = 1700.00 MANNING'S N = .013 AN ESTIMATED PIPE DIAMETER(INCH) = 42.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 98.16 "RAVEL TIME(MIN.) = 2.05 TC(MIN.) = 24.00 *.r ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** """ FLOW PROCESS FROM NODE 629.00 TO NODE 629.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.339 SOIL CLASSIFICATION I8 "An RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 - SUBAREA AREA(ACRES) = 55.00 SUBAREA RUNOFF(CFS) = 91.78 EFFECTIVE AREA(ACRES) = 110.00 ++Wd AVERAGED Fm(INCH /HR) = .485 TOTAL AREA(ACRES) = 110.00 • PEAK FLOW RATE(CFS) = 183.56 TC(MIN) = 24.00 ^.. ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 629.10 TO NODE 630.10 I8 CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< Ns DEPTH OF FLOW IN 54.0 INCH PIPE IS 40.1 INCHES d.. PIPE -FLOW VELOCITY(FEET /SEC.) = 14.5 UPSTREAM NODE ELEVATION(FEET) = 960.00 • 'DOWNSTREAM NODE ELEVATION(FEET) = 929.00 SOW LENGTH(FEET) = 2750.00 MANNING'S N = .013 rSTIMATED PIPE DIAMETER(INCH) = 54.00 NUMBER OF PIPES = 1 ow PIPE-FLOW(CFS) = 183.56 TRAVEL TIME(MIN.) = 3.16 TC(MIN.) = 27.17 or ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** •• FLOW PROCESS FROM NODE 630.00 TO NODE 630.10 I8 CODE = 8 ■» »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< "" 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.172 SOIL CLASSIFICATION I8 "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA L088 RATE, Fm(INCH/HR) = .4850 SUBAREA AREA(ACRES) = 83.00 SUBAREA RUNOFF(CFS) = 125.99 EFFECTIVE AREA(ACRES) = 193.00 rw AVERAGED Fm(INCH /HR) = .485 TOTAL AREA(ACRES) = 193.00 PEAK FLOW RATE(CFS) = 292.97 TC(MIN) = 27.17 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ,mot FLOW PROCESS FROM NODE 630.10 TO NODE 636.10 IS CODE = 4 » »>COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< • » » >USING USER- SPECIFIED PIPESIZE « «< • ASSUME FULL - FLOWING PIPELINE PIPE -FLOW VELOCITY(FEET /SEC.) = 12.3 UPSTREAM NODE ELEVATION(FEET) = 929.00 • DOWNSTREAM NODE ELEVATION(FEET) = 920.00 FLOW LENGTH(FEET) = 1350.00 MANNING'S N = .013 ▪ GIVEN PIPE DIAMETER(INCH) = 66.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 292.97 rr TRAVEL TIME(MIN.) = 1.82 TC(MIN.) = 28.99 i it***************************************** * ***** * * * * * * * * * * * * * * * * * * * * * * * ** eLOW PROCESS FROM NODE 636.10 TO NODE 636.10 I8 CODE = 1 » »>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< od TOTAL NUMBER OF STREAMS = 3 CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MIN.) = 28.99 ,,,. RAINFALL INTENSITY(INCH /HR) = 2.09 AVERAGED Fm(INCH /HR) = .49 a...« EFFECTIVE STREAM AREA(ACRES) = 193.00 TOTAL STREAM AREA(ACRES) = 193.00 «� PEAK FLOW RATE(CFS) AT CONFLUENCE = 292.97 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ". FLOW PROCESS FROM NODE 631.00 TO NODE 631.10 I8 CODE = 2 °t » »>RATIONAL METHOD INITIAL SUBAREA ANALYSIS « «< DEVELOPMENT IS COMMERCIAL TC = R *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 ,. INITIAL SUBAREA FLOW - LENGTH(FEET) = 900.00 rr UPSTREAM ELEVATION(FEET) = 1016.00 DOWNSTREAM ELEVATION(FEET) = 996.00 .. ELEVATION DIFFERENCE(FEET) = 20.00 TC(MIN.) = .304 *[( 900.00 ** 3.00)/( 20.00)] ** .20 = 9.890 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.982 )IL CLASSIFICATION I8 "A" • .,OMMERCIAL SUBAREA LOSS RATE, Fm(INCH/HR) = .0970 SUBAREA RUNOFF(CFS) = 34.96 TOTAL AREA(ACRES) = 10.00 PEAR FLOW RATE(CFS) = 34.96 awe ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** .. FLOW PROCESS FROM NODE 631.10 TO NODE 632.10 IS CODE = 6 • --» »COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA « «< A" UPSTREAM ELEVATION(FEET) = 996.00 DOWNSTREAM ELEVATION(FEET) = 994.00 STREET LENGTH(FEET) = 450.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 20.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK(FEET) = 12.00 • INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 wa * *TRAVEL TIME COMPUTED USING MEAN FLOW(CFS) = 34.96 . ** *STREET FLOWING FULL * ** STREET FLOW MODEL RESULTS: ""' NOTE: STREET FLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREET FLOW 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 FLOW DEPTH(FEET) = .72 HALFSTREET FLOOD WIDTH(FEET) = 20.00 AVERAGE FLOW VELOCITY(FEET /SEC.) = 2.86 , PRODUCT OF DEPTH &VELOCITY = 2.08 STREET FLOW TRAVEL TIME(MIN.) = 2.62 TC(MIN.) = 12.51 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.459 re SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 •• "UBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 ?FECTIVE AREA(ACRES) = 10.00 AVERAGED Fm(INCH /HR) = .10 "" TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 34.96 END OF SUBAREA STREET FLOW HYDRAULICS: " DEPTH(FEET) = .72 HALFSTREET FLOOD WIDTH(FEET) = 20.00 FLOW VELOCITY(FEET /SEC.) = 2.86 DEPTH *VELOCITY = 2.08 aka o. ********************************************* * * * * * * * * * * * * * * * * * ** * * * * * * * * * * ** FLOW PROCESS FROM NODE 632.00 TO NODE 632.10 I8 CODE = 8 - » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.459 SOIL CLASSIFICATION IS "A" .- RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 SUBAREA AREA(ACRES) = 9.00 SUBAREA RUNOFF(CFS) = 24.09 ' EFFECTIVE AREA(ACRES) = 19.00 AVERAGED Fm(INCH /HR) = .281 "" TOTAL AREA(ACRES) = 19.00 PEAK FLOW RATE(CFS) = 54.34 des TC(MIN) = 12.51 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 632.10 TO NODE 633.10 IS CODE = 6 » »> COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA « «< an ?STREAM ELEVATION(FEET) = 994.00 DOWNSTREAM ELEVATION(FEET) = 992.00 " 0TREET LENGTH(FEET) = 450.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 20.00 de DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK(FEET) = 12.00 dr w• INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVEL TIME COMPUTED USING MEAN FLOW(CFS) = 54.34 ** *STREET FLOWING FULL * ** . STREET FLOW MODEL RESULTS: NOTE: STREET FLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREET FLOW RESULTS ARE BASED ON THE ASSUMPTION THAT NEGLIBLE FLOW OCCURS OUTSIDE OF THE STREET CHANNEL. THAT IS, ALL FLOW ALONG THE PARKWAY, ETC., IB NEGLECTED. STREET FLOW DEPTH(FEET) = .80 HALFSTREET FLOOD WIDTH(FEET) = 20.00 AVERAGE FLOW VELOCITY(FEET /SEC.) = 3.54 PRODUCT OF DEPTH &VELOCITY = 2.85 STREET FLOW TRAVEL TIME(MIN.) = 2.12 TC(MIN.) = 14.62 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.149 .al° SOIL CLASSIFICATION I8 "An RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 "" SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 EFFECTIVE AREA(ACRES) = 19.00 AVERAGED Fm(INCH /HR) = .28 0" TOTAL AREA(ACRES) = 19.00 PEAK FLOW RATE(CFS) = 54.34 END OF SUBAREA STREET FLOW HYDRAULICS: DEPTH(FEET) = .80 HALFSTREET FLOOD WIDTH(FEET) = 20.00 ,* FLOW VELOCITY(FEET /SEC.) = 3.54 DEPTH *VELOCITY = 2.85 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** • FLOW PROCESS FROM NODE 633.00 TO NODE 633.10 I8 CODE = 8 �^ ∎» »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.149 SOIL CLASSIFICATION IB "An RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 SUBAREA AREA(ACRES) = 9.00 SUBAREA RUNOFF(CFS) = 21.58 EFFECTIVE AREA(ACRES) = 28.00 AVERAGED Fm(INCH /HR) = .346 TOTAL AREA(ACRES) = 28.00 PEAK FLOW RATE(CFS) = 70.63 TC(MIN) = 14.62 -. ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 633.10 TO NODE 634.10 IS CODE = 3 » »COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< - » »USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< DEPTH OF FLOW IN 36.0 INCH PIPE I8 27.8 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 12.1 UPSTREAM NODE ELEVATION(FEET) = 992.00 . DOWNSTREAM NODE ELEVATION(FEET) = 980.00 FLOW LENGTH(FEET) = 900.00 MANNING'S N = .013 or ESTIMATED PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 70.63 .. TRAVEL TIME(MIN.) = 1.24 TC(MIN.) = 15.87 am # k******** * * * * * * * * * * * * * * * * * * * **** *** * * ** ****** * ** * **** ** *#t*** ** * ** ** *#r**** - £LOW PROCESS FROM NODE 634.00 TO NODE 634.10 I8 CODE = 8 » »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< as 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.999 SOIL CLASSIFICATION IS HAI RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = 27.00 SUBAREA RUNOFF(CFS) = 61.08 ^FFECTIVE AREA(ACRES) = 55.00 /ERAGED Fm(INCH /HR) = .414 "" TOTAL AREA(ACRES) = 55.00 PEAK FLOW RATE(CFS) = 127.92 TC(MIN) = 15.87 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 634.10 TO NODE 635.10 I8 CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< • » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< - DEPTH OF FLOW IN 45.0 INCH PIPE I8 34.4 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 14.1 UPSTREAM NODE ELEVATION(FEET) = 980.00 DOWNSTREAM NODE ELEVATION(FEET) = 957.00 - FLOW LENGTH(FEET) = 1700.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 45.00 NUMBER OF PIPES = 1 PIPE- FLOW(CFS) = 127.92 TRAVEL TIME(MIN.) = 2.01 TC(MIN.) = 17.88 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 635.00 TO NODE 635.10 I8 CODE = 8 - » » > ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< --� 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.792 )IL CLASSIFICATION I8 HA" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 SUBAREA AREA(ACRES) = 55.00 SUBAREA RUNOFF(CFS) = 114.18 EFFECTIVE AREA(ACRES) = 110.00 AVERAGED Fm(INCH /HR) = .450 TOTAL AREA(ACRES) = 110.00 PEAK FLOW RATE(CFS) = 231.86 - TC(MIN) = 17.88 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 635.10 TO NODE 636.10 I8 CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< *0 » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< Am DEPTH OF FLOW IN 57.0 INCH PIPE I8 42.1 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 16.5 "" UPSTREAM NODE ELEVATION(FEET) = 957.00 err DOWNSTREAM NODE ELEVATION(FEET) = 920.00 FLOW LENGTH(FEET) = 2700.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 57.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 231.86 mr, TRAVEL TIME(MIN.) = 2.72 TC(MIN.) = 20.60 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 636.00 TO NODE 636.10 IS CODE = 8 >» »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.564 SOIL CLASSIFICATION IS "A'" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 SUBAREA AREA(ACRES) = 83.00 SUBAREA RUNOFF(CFS) = 155.32 EFFECTIVE AREA(ACRES) = 193.00 AVERAGED Fm(INCH /HR) = .465 ++� TOTAL AREA(ACRES) = 193.00 AK FLOW RATE(CFS) = 364.65 TC(MIN) = 20.60 3- ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** - FLOW PROCESS FROM NODE 636.10 TO NODE 636.10 IS CODE = 1 » »DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< TOTAL NUMBER OF STREAMS = 3 • CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MIN.) = 20.60 - RAINFALL INTENSITY(INCH /HR) = 2.56 AVERAGED Fm(INCH /HR) = .46 - EFFECTIVE STREAM AREA(ACRES) = 193.00 TOTAL STREAM AREA(ACRES) = 193.00 - PEAK FLOW RATE(CFS) AT CONFLUENCE = 364.65 t ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** """ FLOW PROCESS FROM NODE 637.00 TO NODE 637.10 I8 CODE = 2 » »RATIONAL METHOD INITIAL SUBAREA ANALYSIS « «< - DEVELOPMENT I8 SINGLE FAMILY RESIDENTIAL -> 5 -7 DWELLINGS /ACRE - TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW - LENGTH(FEET) = 1000.00 - 'TPSTREAM ELEVATION(FEET) = 1004.00 )WNSTREAM ELEVATION(FEET) = 990.00 tLEVATION DIFFERENCE(FEET) = 14.00 TC(MIN.) = .389 *[( 1000.00 ** 3.00)/( 14.00)] ** .20 = 14.479 • 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.168 SOIL CLASSIFICATION I8 "An ' RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA RUNOFF(CFS) = 24.15 TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 24.15 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 637.10 TO NODE 638.10 I8 CODE = 6 » »COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA « «< UPSTREAM ELEVATION(FEET) = 990.00 DOWNSTREAM ELEVATION(FEET) = 988.00 4W STREET LENGTH(FEET) = 450.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 36.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK(FEET) = 24.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 a ,,, SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVEL TIME COMPUTED USING MEAN FLOW(CFS) = 24.15 STREET FLOW MODEL RESULTS: we NOTE: STREET FLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREET FLOW 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 FLOW DEPTH(FEET) = .70 HALFSTREET FLOOD WIDTH(FEET) = 16.87 AVERAGE FLOW VELOCITY(FEET /SEC.) = 2.72 PRODUCT OF DEPTH &VELOCITY = 1.89 ... STREET FLOW TRAVEL TIME(MIN.) = 2.76 TC(MIN.) = 17.23 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.854 )IL CLASSIFICATION I8 "A" ±ESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 EFFECTIVE AREA(ACRES) = 10.00 AVERAGED Fm(INCH /HR) = .49 TOTAL AREA(ACRES) = 10.00 PEAR FLOW RATE(CFS) = 24.15 END OF SUBAREA STREET FLOW HYDRAULICS: DEPTH(FEET) = .70 HALFSTREET FLOOD WIDTH(FEET) = 16.87 FLOW VELOCITY(FEET /SEC.) = 2.72 DEPTH *VELOCITY = 1.89 .t, ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 638.00 TO NODE 638.10 I8 CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAR FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.854 SOIL CLASSIFICATION I8 NO RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = 9.00 SUBAREA RUNOFF(CFS) = 19.18 EFFECTIVE AREA(ACRES) = 19.00 AVERAGED Fm(INCH /HR) = .485 AMP TOTAL AREA(ACRES) = 19.00 PEAR FLOW RATE(CFS) = 40.50 TC(MIN) = 17.23 asof ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** " LOW PROCESS FROM NODE 638.10 TO NODE 639.10 I8 CODE = 6 » » >COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA « «< UPSTREAM ELEVATION(FEET) = 988.00 DOWNSTREAM ELEVATION(FEET) = 986.00 STREET LENGTH(FEET) = 450.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 36.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAR(FEET) = 24.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVEL TIME COMPUTED USING MEAN FLOW(CFS) = 40.50 STREET FLOW MODEL RESULTS: NOTE: STREET FLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREET FLOW RESULTS ARE BASED ON THE ASSUMPTION THAT NEGLIBLE FLOW OCCURS OUTSIDE OF THE STREET CHANNEL. "" THAT I8, ALL FLOW ALONG THE PARKWAY, ETC., I8 NEGLECTED. STREET FLOW DEPTH(FEET) = .82 AA HALFSTREET FLOOD WIDTH(FEET) = 22.87 AVERAGE FLOW VELOCITY(FEET /SEC.) = 2.97 PRODUCT OF DEPTH &VELOCITY = 2.42 .*,r STREET FLOW TRAVEL TIME(MIN.) = 2.53 TC(MIN.) = 19.76 A. 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.629 SOIL CLASSIFICATION I8 "A" RESIDENTIAL - 5 - 7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 TBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 "' c:FFECTIVE AREA(ACRES) = 19.00 AVERAGED Fm(INCH /HR) = .49 TOTAL AREA(ACRES) = 19.00 PEAR FLOW RATE(CFS) = 40.50 END OF SUBAREA STREET FLOW HYDRAULICS: DEPTH(FEET) = .82 HALFSTREET FLOOD WIDTH(FEET) = 22.87 rr FLOW VELOCITY(FEET /SEC.) = 2.97 DEPTH *VELOCITY = 2.42 mia ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** "LOW PROCESS FROM NODE 639.00 TO NODE 639.10 I8 CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.629 SOIL CLASSIFICATION IS "An RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 AW SUBAREA AREA(ACRES) = 9.00 SUBAREA RUNOFF(CFS) = 17.36 EFFECTIVE AREA(ACRES) = 28.00 AVERAGED Fm(INCH /HR) = .485 TOTAL AREA(ACRES) = 28.00 d+w PEAK FLOW RATE(CFS) = 54.02 TC(MIN) = 19.76 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 639.10 TO NODE 640.10 I8 CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< -al DEPTH OF FLOW IN 36.0 INCH PIPE I8 27.8 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 9.2 UPSTREAM NODE ELEVATION(FEET) = 986.00 DOWNSTREAM NODE ELEVATION(FEET) = 979.00 FLOW LENGTH(FEET) = 900.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 54.02 '"RAVEL TIME(MIN.) = 1.63 TC(MIN.) = 21.39 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** "" FLOW PROCESS FROM NODE 640.00 TO NODE 640.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.507 SOIL CLASSIFICATION I8 'Au RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = 27.00 SUBAREA RUNOFF(CFS) = 49.13 EFFECTIVE AREA(ACRES) = 55.00 ..®. AVERAGED Fm(INCH /HR) = .485 TOTAL AREA(ACRES) = 55.00 PEAK FLOW RATE(CFS) = 100.08 TC(MIN) = 21.39 .+►********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** mr FLOW PROCESS FROM NODE 640.10 TO NODE 641.10 I8 CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< DEPTH OF FLOW IN 39.0 INCH PIPE I8 31.4 INCHES ,. PIPE -FLOW VELOCITY(FEET /SEC.) = 14.0 UPSTREAM NODE ELEVATION(FEET) = 979.00 nOWNSTREAM NODE ELEVATION(FEET) = 951.00 SOW LENGTH(FEET) = 1750.00 MANNING'S N = .013 r,STIMATED PIPE DIAMETER(INCH) = 39.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 100.08 TRAVEL TIME(MIN.) = 2.09 TC(MIN.) = 23.47 wr ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** .. FLOW PROCESS FROM NODE 641.00 TO NODE 641.10 I8 CODE = 8 *" -» »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.371 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = 55.00 SUBAREA RUNOFF(CFS) = 93.34 "" EFFECTIVE AREA(ACRES) = 110.00 AVERAGED Fm(INCH /HR) = .485 TOTAL AREA(ACRES) = 110.00 PEAK FLOW RATE(CFS) = 186.69 TC(MIN) = 23.47 �.. ************************************ * *** *#ttk*fr,k,k***** * ** * *** ***fir * *** * ** *** * ** FLOW PROCESS FROM NODE 641.10 TO NODE 642.10 I8 CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< - » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< "" DEPTH OF FLOW IN 57.0 INCH PIPE IS 44.1 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 12.7 "" UPSTREAM NODE ELEVATION(FEET) = 951.00 DOWNSTREAM NODE ELEVATION(FEET) = 929.50 FLOW LENGTH(FEET) = 2700.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 57.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 186.69 A. TRAVEL TIME(MIN.) = 3.55 TC(MIN.) = 27.02 k*********** ****************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** " rLOW PROCESS FROM NODE 642.00 TO NODE 642.10 I8 CODE = 8 • » » > ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.179 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 - SUBAREA AREA(ACRES) = 83.00 SUBAREA RUNOFF(CFS) = 126.52 EFFECTIVE AREA(ACRES) = 193.00 - AVERAGED Fm(INCH /HR) = .485 TOTAL AREA(ACRES) = 193.00 - w PEAR FLOW RATE(CFS) = 294.20 TC(MIN) = 27.02 • ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 642.10 TO NODE 636.10 I8 CODE = 4 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< » » >USING USER - SPECIFIED PIPESIZE««< ASSUME FULL - FLOWING PIPELINE err PIPE -FLOW VELOCITY(FEET /SEC.) = 15.0 UPSTREAM NODE ELEVATION(FEET) = 929.50 DOWNSTREAM NODE ELEVATION(FEET) = 920.00 FLOW LENGTH(FEET) = 1350.00 MANNING'S N = .013 " GIVEN PIPE DIAMETER(INCH) = 60.00 NUMBER OF PIPES = 1 EPE- FLOW(CFS) = 294.20 '- GRAVEL TIME(MIN.) = 1.50 TC(MIN.) = 28.52 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** me FLOW PROCESS FROM NODE 636.10 TO NODE 636.10 IS CODE = 1 me » »DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< » » >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES « «< r )TAL NUMBER OF STREAMS = 3 46° CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: TIME OF CONCENTRATION(MIN.) = 28.52 RAINFALL INTENSITY(INCH/HR) = 2.11 AVERAGED Fm(INCH /HR) = .49 EFFECTIVE STREAM AREA(ACRES) = 193.00 mw TOTAL STREAM AREA(ACRES) = 193.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 294.20 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO as+' CONFLUENCE FORMULA USED FOR 3 STREAMS. -• ** PEAK FLOW RATE TABLE ** Q(CFS) TC(MIN.) Fm(INCH/HR) Ae(ACRES) 41. 1 906.46 20.60 .477 469.47 2 865.47 28.99 .478 579.00 "° 3 871.73 28.52 .478 575.87 • COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 906.46 TC(MIN.) = 20.596 EFFECTIVE AREA(ACRES) = 469.47 AVERAGED Fm(INCH /HR) = .48 ,,,M, TOTAL AREA(ACRES) = 579.00 0. 401 FLOW PROCESS FROM NODE 636.10 TO NODE 636.11 I8 CODE = 4 �^^ `» »COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< »USING USER - SPECIFIED PIPESIZE « «< ASSUME FULL - FLOWING PIPELINE - PIPE -FLOW VELOCITY(FEET /SEC.) = 32.1 UPSTREAM NODE ELEVATION(FEET) = 920.00 Aw DOWNSTREAM NODE ELEVATION(FEET) = 886.00 - FLOW LENGTH(FEET) = 2700.00 MANNING'S N = .013 GIVEN PIPE DIAMETER(INCH) = 72.00 NUMBER OF PIPES = 1 PIPE- FLOW(CFS) = 906.46 TRAVEL TIME(MIN.) = 1.40 TC(MIN.) = 22.00 .... ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 643.00 TO NODE 643.10 I8 CODE = 2 err »»RATIONAL METHOD INITIAL SUBAREA ANALYSIS « «< DEVELOPMENT IS COMMERCIAL • TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 410 INITIAL SUBAREA FLOW - LENGTH(FEET) = 750.00 UPSTREAM ELEVATION(FEET) = 942.00 DOWNSTREAM ELEVATION(FEET) = 934.00 ELEVATION DIFFERENCE(FEET) = 8.00 41r TC(MIN.) = .304 *[( 750.00 ** 3.00)/( 8.00)] ** .20 = 10.649 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.809 .. SOIL CLASSIFICATION IS "A" COMMERCIAL SUBAREA LOSS RATE, Fm(INCH /HR) = .0970 I' SUBAREA RUNOFF(CFS) = 16.71 )TAL AREA(ACRES) = 5.00 PEAK FLOW RATE(CFS) = 16.71 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 643.10 TO NODE 644.10 IS CODE = 6 .rr » »>COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA « «< UPSTREAM ELEVATION(FEET) = 934.00 DOWNSTREAM ELEVATION(FEET) = 926.00 411W qTREET LENGTH(FEET) = 650.00 CURB HEIGTH(INCHES) = 8. 'BEET HALFWIDTH(FEET) = 47.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK(FEET) = 35.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 Asa m . SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVEL TIME COMPUTED USING MEAN FLOW(CFS) = 16.71 STREET FLOW MODEL RESULTS: STREET FLOW DEPTH(FEET) = .52 HALFSTREET FLOOD WIDTH(FEET) = 9.97 AVERAGE FLOW VELOCITY(FEET /SEC.) = 3.91 PRODUCT OF DEPTH &VELOCITY = 2.02 STREET FLOW TRAVEL TIME(MIN.) = 2.77 TC(MIN.) = 13.42 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.316 SOIL CLASSIFICATION IS HA" COMMERCIAL SUBAREA LOSS RATE, Fm(INCH /HR) = .0970 SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 EFFECTIVE AREA(ACRES) = 5.00 AVERAGED Fm(INCH /HR) = .10 TOTAL AREA(ACRES) = 5.00 PEAK FLOW RATE(CFS) = 16.71 END OF SUBAREA STREET FLOW HYDRAULICS: ... DEPTH(FEET) = .52 HALFSTREET FLOOD WIDTH(FEET) = 9.97 FLOW VELOCITY(FEET /SEC.) = 3.91 DEPTH *VELOCITY = 2.02 **+****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** .OW PROCESS FROM NODE 644.00 TO NODE 644.10 I8 CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.316 SOIL CLASSIFICATION IS "A" COMMERCIAL SUBAREA LOSS RATE, Fm(INCH /HR) = .0970 SUBAREA AREA(ACRES) = 5.00 SUBAREA RUNOFF(CFS) = 14.48 �. EFFECTIVE AREA(ACRES) = 10.00 AVERAGED Fm(INCH /HR) = .097 .... TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 28.97 TC(MIN) = 13.42 ********************************************* * * * * * * * * * ** * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 644.10 TO NODE 645.10 I8 CODE = 6 » » >COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA « «< UPSTREAM ELEVATION(FEET) = 926.00 DOWNSTREAM ELEVATION(FEET) = 923.00 . STREET LENGTH(FEET) = 350.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 47.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK(FEET) = 35.00 AM INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 mr 'ECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVEL TIME COMPUTED USING MEAN FLOW(CFS) = 28.97 STREET FLOW MODEL RESULTS: NOTE: STREET FLOW EXCEEDS TOP OF CURB. map THE FOLLOWING STREET FLOW RESULTS ARE BASED ON THE ASSUMPTION THAT NEGLIBLE FLOW OCCURS OUTSIDE OF THE STREET CHANNEL. THAT IS, ALL FLOW ALONG THE PARKWAY, ETC., I8 NEGLECTED. STREET FLOW DEPTH(FEET) = .67 40 HALFSTREET FLOOD WIDTH(FEET) = 15.55 AVERAGE FLOW VELOCITY(FEET /SEC.) = 3.61 PRODUCT OF DEPTH &VELOCITY = 2.42 STREET FLOW TRAVEL TIME(MIN.) = 1.61 TC(MIN.) = 15.03 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.097 SOIL CLASSIFICATION I8 "An o ,, COMMERCIAL SUBAREA LOSS RATE, Fm(INCH /HR) = .0970 SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 EFFECTIVE AREA(ACRES) = 10.00 AVERAGED Fm(INCH /HR) = .10 TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 28.97 ar• END OF SUBAREA STREET FLOW HYDRAULICS: DEPTH(FEET) = .67 HALFSTREET FLOOD WIDTH(FEET) = 15.55 a. FLOW VELOCITY(FEET /SEC.) = 3.61 DEPTH *VELOCITY = 2.42 AO ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 4'm FLOW PROCESS FROM NODE 645.00 TO NODE 645.10 I8 CODE = 8 - » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.097 SOIL CLASSIFICATION I8 'An COMMERCIAL SUBAREA LOSS RATE, Fm(INCH /HR) = .0970 SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 27.00 EFFECTIVE AREA(ACRES) = 20.00 ... AVERAGED Fm(INCH /HR) = .097 TOTAL AREA(ACRES) = 20.00 - DEAR FLOW RATE(CFS) = 54.00 ;(MIN) = 15.03 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** AW FLOW PROCESS FROM NODE 645.10 TO NODE 646.10 I8 CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< ' » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 36.0 INCH PIPE I8 25.7 INCHES �,. PIPE -FLOW VELOCITY(FEET /SEC.) = 10.0 UPSTREAM NODE ELEVATION(FEET) = 923.00 ... DOWNSTREAM NODE ELEVATION(FEET) = 916.00 FLOW LENGTH(FEET) = 750.00 MANNING'S N = .013 +!• ESTIMATED PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 54.00 ""' TRAVEL TIME(MIN.) = 1.25 TC(MIN.) = 16.29 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 646.00 TO NODE 646.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 411 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.952 .,® SOIL CLASSIFICATION I8 IA" COMMERCIAL SUBAREA LOSS RATE, Fm(INCH /HR) = .0970 me SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 51.39 'FECTIVE AREA(ACRES) = 40.00 "" „,VERAGED Fm (INCH /HR) = .097 TOTAL AREA(ACRES) = 40.00 PEAK FLOW RATE(CFS) = 102.79 TC(MIN) = 16.29 ar AW mot FLOW PROCESS FROM NODE 646.10 TO NODE 646.11 I8 CODE = 3 mi »COMPUTE PIPE —FLOW TRAVEL TIME THRU SUBAREA « «< > » »USING COMPUTER — ESTIMATED PIPESIZE (NON — PRESSURE FLOW) « « < wry DEPTH OF FLOW IN 45.0 INCH PIPE I8 32.5 INCHES PIPE —FLOW VELOCITY(FEET /SEC.) = 12.0 UPSTREAM NODE ELEVATION(FEET) = 916.00 DOWNSTREAM NODE ELEVATION(FEET) = 914.00 FLOW LENGTH(FEET) = 200.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 45.00 NUMBER OF PIPES = 1 PIPE— FLOW(CFS) = 102.79 rrr TRAVEL TIME(MIN.) = .28 TC(MIN.) = 16.56 END OF STUDY SUMMARY: TOTAL AREA(ACRES) = 40.00 TC(MIN.) = 16.56 4 '' EFFECTIVE AREA(ACRES) = 40.00 AVERAGED Fm(INCH /HR)= .10 PEAK FLOW RATE(CFS) = 102.79 END OF RATIONAL METHOD ANALYSIS aso AW ..r ... ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE (Reference: 1986 SAN BERNARDINO CO. HYDROLOGY CRITERION) (c) Copyright 1983 -88 Advanced Engineering Software (aes) Ver. 5.2A Release Date: 7/08/88 Serial # 2929 Analysis prepared by: HALL & FOREMAN INC., 3170 REDHILL AVE., COSTA MESA, CA,92626 13 MARCH 1989, VERS. 5.2A 08 -15 -88 AUTHORIZATION CODE 136020001 * * * * * * * * * * * * * * * * * * * * * * * * ** DESCRIPTION OF STUDY * * * * * * * * * * * * * * * * * * * * * * * * ** wr * S. FONTANA MASTER S.D. PLAN: LINES M- 1,2,3,4 FOR 25 -YR. STORM. * DESIGN Q. ALL LINES CONFLUENCE WITH THE MULBERRY CHANNEL. * - * T. ARROYO, 1/25/90. * ******************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FILE NAME: SFONTM1.025 '""` TIME /DATE OF STUDY: 10:20 1/25/1990 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 do *USER- DEFINED LOGARITHMIC INTERPOLATION USED FOR RAINFALL* 10 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = .920 '00 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.370 )MPUTED RAINFALL INTENSITY DATA: 6TORM EVENT = 25.00 1 -HOUR INTENSITY(INCH /HOUR) = 1.0776 SLOPE OF INTENSITY DURATION CURVE = .6000 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 300.00 TO NODE 300.10 I8 CODE = 2 » »RATIONAL METHOD INITIAL SUBAREA ANALYSIS « «< DEVELOPMENT I8 SINGLE FAMILY RESIDENTIAL -> 5 -7 DWELLINGS /ACRE TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW - LENGTH(FEET) = 1000.00 • - UPSTREAM ELEVATION(FEET) = 1155.00 DOWNSTREAM ELEVATION(FEET) = 1144.00 • ELEVATION DIFFERENCE(FEET) = 11.00 TC(MIN.) = .389 *[( 1000.00 ** 3.00)/( 11.00)] ** .20 = 15.194 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.457 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LO88 RATE, Fm(INCH /HR) = .4850 SUBAREA RUNOFF(CFS) = 17.74 TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 17.74 ar �., ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 300.10 TO NODE 300.11 I8 CODE = 3 »COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< :•> » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< 4111 DEPTH OF FLOW IN 21.0 INCH PIPE I8 17.1 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 8.5 Kw .1 UPSTREAM NODE ELEVATION(FEET) = 1144.00 DOWNSTREAM NODE ELEVATION(FEET) = 1140.00 . FLOW LENGTH(FEET) = 300.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 21.00 NUMBER OF PIPES = 1 T'T.PE -FLOW (CFS) = 17.74 tAVEL TIME(MIN.) = .59 TC(MIN.) = 15.79 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 300.01 TO NODE 300.11 I8 CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< ,.. 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.401 SOIL CLASSIFICATION I8 PIA,' RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOBS RATE, Fm(INCH/HR) = .4850 SUBAREA AREA(ACRES) = 2.50 SUBAREA RUNOFF(CFS) = 4.31 EFFECTIVE AREA(ACRES) = 12.50 AVERAGED Fm(INCH /HR) = .485 ' TOTAL AREA(ACRES) = 12.50 PEAK FLOW RATE(CFS) = 21.55 - TC(MIN) = 15.79 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 300.11 TO NODE 300.12 I8 CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< » » > USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< MO DEPTH OF FLOW IN 30.0 INCH PIPE IS 23.9 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 5.1 TPSTREAM NODE ELEVATION(FEET) = 1140.00 )WNSTREAM NODE ELEVATION(FEET) = 1139.00 • r LENGTH(FEET) = 325.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 30.00 NUMBER OF PIPES = 1 • PIPE - FLOW(CFS) = 21.55 TRAVEL TIME(MIN.) = 1.05 TC(MIN.) = 16.84 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** • FLOW PROCESS FROM NODE 300.02 TO NODE 300.12 I8 CODE = 8 ,.. » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.310 SOIL CLASSIFICATION I8 HA" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOBS RATE, Fm(INCH/HR) = .4850 SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 16.42 11" EFFECTIVE AREA(ACRES) = 22.50 AVERAGED Fm(INCH/HR) = .485 "" TOTAL AREA(ACRES) = 22.50 PEAK FLOW RATE(CFS) = 36.95 TC(MIN) = 16.84 wo ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 300.12 TO NODE 300.13 I8 CODE = 3 ml » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< • >» »USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< • ArEPTH OF FLOW IN 42.0 INCH PIPE I8 33.0 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 4.6 UPSTREAM NODE ELEVATION(FEET) = 1139.00 �,,, DOWNSTREAM NODE ELEVATION(FEET) = 1138.00 WI FLOW LENGTH(FEET) = 650.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 42.00 NUMBER OF PIPES = 1 ,.. PIPE - FLOW(CFS) = 36.95 TRAVEL TIME(MIN.) = 2.38 TC(MIN.) = 19.22 00.1 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 300.03 TO NODE 300.13 I8 CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.134 SOIL CLASSIFICATION I8 'An • RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 29.68 • EFFECTIVE AREA(ACRES) = 42.50 AVERAGED Fm(INCH /HR) = .485 m TOTAL AREA(ACRES) = 42.50 PEAR FLOW RATE(CFS) = 63.06 • TC(MIN) = 19.22 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** '" FLOW PROCESS FROM NODE 300.13 TO NODE 300.14 I8 CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « « < » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< - DEPTH OF FLOW IN 30.0 INCH PIPE I8 24.2 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 14.9 mit UPSTREAM NODE ELEVATION(FEET) = 1138.00 DOWNSTREAM NODE ELEVATION(FEET) = 1120.00 m. 'MOW LENGTH(FEET) = 700.00 MANNING'S N = .013 :TIMATED PIPE DIAMETER(INCH) = 30.00 NUMBER OF PIPES = 1 eIPE- FLOW(CFS) = 63.06 TRAVEL TIME(MIN.) = .78 TC(MIN.) = 20.00 • ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 300.04 TO NODE 300.14 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAR FLOW « «< .,.. 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.083 SOIL CLASSIFICATION I8 "Au - RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LO88 RATE, Fm(INCH/HR) = .4850 SUBAREA AREA(ACRES) = 25.00 SUBAREA RUNOFF(CFS) = 35.96 ow EFFECTIVE AREA(ACRES) = 67.50 AVERAGED Fm(INCH /HR) = .485 • TOTAL AREA(ACRES) = 67.50 PEAR FLOW RATE(CFS) = 97.08 "" TC(MIN) = 20.00 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 300.14 TO NODE 300.15 I8 CODE = 3 wr » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< • nEPTH OF FLOW IN 42.0 INCH PIPE I8 32.8 INCHES :PE -FLOW VELOCITY(FEET /SEC.) = 12.0 "" UPSTREAM NODE ELEVATION(FEET) = 1130.00 DOWNSTREAM NODE ELEVATION(FEET) = 1123.00 FLOW LENGTH(FEET) = 650.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 42.00 NUMBER OF PIPES = 1 Woo +rr PIPE - FLOW(CFS) = 97.08 TRAVEL TIME(MIN.) = .90 TC(MIN.) = 20.90 a�w *d.+ * * * ** * **** **** * *+kt ****** * *tk*** *** *** * * * * **** *** * ** * *** #fir * * * **tk* *** *** * *** .OW PROCESS FROM NODE 300.05 TO NODE 300.15 I8 CODE = 8 m. » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 25 YEAR RAINFALL INTENBITY(INCH /HOUR) = 2.029 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 SUBAREA AREA(ACRES) = 25.00 SUBAREA RUNOFF(CFS) = 34.74 EFFECTIVE AREA(ACRES) = 92.50 AVERAGED Fm(INCH /HR) = .485 .�. TOTAL AREA(ACRES) = 92.50 PEAK FLOW RATE(CFS) = 128.52 TC(MIN) = 20.90 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 4". FLOW PROCESS FROM NODE 300.15 TO NODE 300.16 I8 CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< DEPTH OF FLOW IN 42.0 INCH PIPE IS 33.8 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 15.5 UPSTREAM NODE ELEVATION(FEET) = 1123.00 DOWNSTREAM NODE ELEVATION(FEET) = 1107.00 FLOW LENGTH(FEET) = 900.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 42.00 NUMBER OF PIPES = 1 - °IPE- FLOW(CFS) = 128.52 :AVEL TIME(MIN.) = .97 TC(MIN.) = 21.87 - ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 300.06 TO NODE 300.16 I8 CODE = 8 ore » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.974 SOIL CLASSIFICATION I8 "An • RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 SUBAREA AREA(ACRES) = 35.00 SUBAREA RUNOFF(CFS) = 46.92 my EFFECTIVE AREA(ACRES) = 127.50 AVERAGED Fm(INCH /HR) = .485 - TOTAL AREA(ACRES) = 127.50 PEAK FLOW RATE(CFS) = 170.91 `'°' TC(MIN) = 21.87 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 300.16 TO NODE 400.01 I8 CODE = 5 » » >COMPUTE TRAPEZOIDAL - CHANNEL FLOW « «< » » > TRAVEL TIME THRU SUBAREA « «< ..,, UPSTREAM NODE ELEVATION(FEET) = 1107.00 DOWNSTREAM NODE ELEVATION(FEET) = 1097.00 a" CHANNEL LENGTH THRU SUBAREA(FEET) = 1350.00 [ANNEL BASE(FEET) = 12.00 "Z" FACTOR = 1.670 - .•.ANNINGIS FACTOR = .015 MAXIMUM DEPTH(FEET) = 5.00 CHANNEL FLOW THRU SUBAREA(CFS) = 170.91 FLOW VELOCITY(FEET /SEC.) = 9.09 FLOW DEPTH(FEET) = 1.32 „ TRAVEL TIME(MIN.) = 2.48 TC(MIN.) = 24.35 Awe ., ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 400.01 TO NODE 400.01 I8 CODE = 1 »DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< TOTAL NUMBER OF STREAMS = 2 �" CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MIN.) = 24.35 "'" RAINFALL INTENBITY(INCH/HR) = 1.85 • AVERAGED Fm(INCH/HR) = .49 EFFECTIVE STREAM AREA(ACRES) = 127.50 TOTAL STREAM AREA(ACRES) = 127.50 PEAK FLOW RATE(CFS) AT CONFLUENCE = 170.91 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 301.00 TO NODE 301.10 I8 CODE = 2 .rw » »RATIONAL METHOD INITIAL SUBAREA ANALYSIS « «< DEVELOPMENT I8 CONDOMINIUMS am " TC = R *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW - LENGTH(FEET) = 900.00 ""' UPSTREAM ELEVATION(FEET) = 1157.00 DOWNSTREAM ELEVATION(FEET) = 1146.00 ELEVATION DIFFERENCE(FEET) = 11.00 - TC(MIN.) = .360 *[( 900.00 ** 3.00)/( 11.00)] ** .20 = 13.200 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.673 - SOIL CLASSIFICATION I8 "Au CONDOMINIUMS SUBAREA LOSS RATE, Fm(INCH /HR) = .3395 -- gUBAREA RUNOFF(CFS) = 21.00 )TAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 21.00 -- ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 301.10 TO NODE 302.10 IB CODE = 3 » »COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< - » »USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< DEPTH OF FLOW IN 24.0 INCH PIPE I8 16.4 INCHES - PIPE -FLOW VELOCITY(FEET /SEC.) = 9.2 UPSTREAM NODE ELEVATION(FEET) = 1146.00 - DOWNSTREAM NODE ELEVATION(FEET) = 1137.00 FLOW LENGTH(FEET) = 650.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 24.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 21.00 "' TRAVEL TIME(MIN.) = 1.18 TC(MIN.) = 14.38 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 302.00 TO NODE 302.10 I8 CODE = 8 » »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< NW 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.539 ,., SOIL CLASSIFICATION I8 "An COMMERCIAL SUBAREA LOSS RATE, Fm(INCH /HR) = .0970 • SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 21.98 'FECTIVE AREA(ACRES) = 20.00 go.TERAGED Fm(INCH /HR) = .218 TOTAL AREA(ACRES) = 20.00 de PEAK FLOW RATE(CFS) = 41.78 TC(MIN) = 14.38 wen w. ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 302.10 TO NODE 303.10 IS CODE = 3 di »COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< - >» »USING COMPUTER- ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< DEPTH OF FLOW IN 45.0 INCH PIPE I8 33.5 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 4.7 UPSTREAM NODE ELEVATION(FEET) = 1137.00 m DOWNSTREAM NODE ELEVATION(FEET) = 1136.00 FLOW LENGTH(FEET) = 650.00 MANNING'S N = .013 - ESTIMATED PIPE DIAMETER(INCH) = 45.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 41.78 m TRAVEL TIME(MIN.) = 2.29 TC(MIN.) = 16.66 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** " FLOW PROCESS FROM NODE 303.00 TO NODE 303.10 I8 CODE = 8 > »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.324 SOIL CLASSIFICATION I8 HA" 4" CONDOMINIUMS SUBAREA LOSS RATE, Fm(INCH /HR) = .3395 m SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 35.73 EFFECTIVE AREA(ACRES) = 40.00 ,.. AVERAGED Fm(INCH /HR) = .279 TOTAL AREA(ACRES) = 40.00 MN PEAK FLOW RATE(CFS) = 73.63 TC(MIN) = 16.66 • * k..****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 303.10 TO NODE 304.10 I8 CODE = 3 > »COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< > »USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< 04 DEPTH OF FLOW IN 36.0 INCH PIPE I8 27.0 INCHES • PIPE -FLOW VELOCITY(FEET /SEC.) = 12.9 UPSTREAM NODE ELEVATION(FEET) = 1136.00 • DOWNSTREAM NODE ELEVATION(FEET) = 1116.00 FLOW LENGTH(FEET) = 1300.00 MANNING'S N = .013 er. ESTIMATED PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES = 1 PIPE- FLOW(CFS) = 73.63 TRAVEL TIME(MIN.) = 1.68 TC(MIN.) = 18.34 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** "*' FLOW PROCESS FROM NODE 304.00 TO NODE 304.10 I8 CODE = 8 > »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.194 m SOIL CLASSIFICATION IS HA" COMMERCIAL SUBAREA LOSS RATE, Fm(INCH /HR) = .0970 ,. SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 75.51 EFFECTIVE AREA(ACRES) = 80.00 ®" AVERAGED Fm(INCH /HR) = .188 )TAL AREA(ACRES) = 80.00 'i _EAR FLOW RATE(CFS) = 144.47 TC(MIN) = 18.34 • ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 304.10 TO NODE 400.01 I8 CODE = 3 » » > COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « « < • -» »USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< • aEPTH OF FLOW IN 48.0 INCH PIPE I8 36.1 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 14.3 UPSTREAM NODE ELEVATION(FEET) = 1116.00 DOWNSTREAM NODE ELEVATION(FEET) = 1102.00 FLOW LENGTH(FEET) = 1100.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 48.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 144.47 • TRAVEL TIME(MIN.) = 1.29 TC(MIN.) = 19.63 air ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** a•. FLOW PROCESS FROM NODE 305.00 TO NODE 400.01 I8 CODE = 8 • » » >ADDITION OF SUBAREA TO MAINLINE PEAR FLOW « «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.107 SOIL CLASSIFICATION I8 "AM • COMMERCIAL SUBAREA LOSS RATE, Fm(INCH/HR) = .0970 SUBAREA AREA(ACRES) = 30.00 SUBAREA RUNOFF(CFS) = 54.27 EFFECTIVE AREA(ACRES) = 110.00 AVERAGED Fm(INCH /HR) = .163 TOTAL AREA(ACRES) = 110.00 PEAK FLOW RATE(CFS) = 192.44 TC(MIN) = 19.63 ... ********************************************* * ** * * ** * *** * ** * * * * * ** * ** * * * ** ** .OW PROCESS FROM NODE 400.01 TO NODE 400.01 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< » » >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES « «< • TOTAL NUMBER OF STREAMS = 2 CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MIN.) = 19.63 RAINFALL INTENSITY(INCH /HR) = 2.11 AVERAGED Fm(INCH/HR) = .16 - EFFECTIVE STREAM AREA(ACRES) = 110.00 TOTAL STREAM AREA(ACRES) = 110.00 • PEAK FLOW RATE(CFS) AT CONFLUENCE = 192.44 ▪ RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. rr ** PEAK FLOW RATE TABLE ** Q(CFS) Tc(MIN.) Fm(INCH/HR) Ae(ACRES) si 1 338.05 24.35 .336 237.50 2 355.98 19.63 .319 212.78 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: w PEAK FLOW RATE(CFS) = 355.98 Tc(MIN.) = 19.626 EFFECTIVE AREA(ACRES) = 212.78 AVERAGED Fm(INCH/HR) = .32 TOTAL AREA(ACRES) = 237.50 411 * r***************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 44 " £LOW PROCESS FROM NODE 400.01 TO NODE 400.02 I8 CODE = 5 N. » » > COMPUTE TRAPEZOIDAL - CHANNEL FLOW « «< ,,, » » > TRAVEL TIME THRU SUBAREA « «< AN UPSTREAM NODE ELEVATION(FEET) = 1097.00 DOWNSTREAM NODE ELEVATION(FEET) = 1094.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1300.00 ^HANNEL BASE(FEET) = 12.00 "Z" FACTOR = 1.670 ►NNING'S FACTOR = .015 MAXIMUM DEPTH(FEET) = 5.00 %:HANNEL FLOW THRU SUBAREA(CFS) = 355.98 FLOW VELOCITY(FEET /SEC.) = 7.64 FLOW DEPTH(FEET) = 2.80 ." TRAVEL TIME(MIN.) = 2.84 TC(MIN.) = 22.46 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 400.02 TO NODE 400.02 I8 CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< r TOTAL NUMBER OF STREAMS = 2 CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MIN.) = 22.46 RAINFALL INTENSITY(INCH /HR) = 1.94 AVERAGED Fm(INCH /HR) = .32 "" EFFECTIVE STREAM AREA(ACRES) = 212.78 TOTAL STREAM AREA(ACRES) = 237.50 PEAK FLOW RATE(CFS) AT CONFLUENCE = 355.98 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 306.00 TO NODE 306.10 I8 CODE = 2 » » >RATIONAL METHOD INITIAL SUBAREA ANALYSIS « «< DEVELOPMENT I8 SINGLE FAMILY RESIDENTIAL -> 11+ DWELLINGS /ACRE mC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 TITIAL SUBAREA FLOW - LENGTH(FEET) = 900.00 • UPSTREAM ELEVATION(FEET) = 1153.00 DOWNSTREAM ELEVATION(FEET) = 1143.00 "" ELEVATION DIFFERENCE(FEET) = 10.00 TC(MIN.) = .324 *[( 900.00 ** 3.00)/( 10.00)] ** .20 = 12.109 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.815 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 11+ DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .1940 SUBAREA RUNOFF(CFS) = 23.59 TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 23.59 .,********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 306.10 TO NODE 307.10 I8 CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « « < • » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< "" DEPTH OF FLOW IN 24.0 INCH PIPE I8 17.4 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 9.7 UPSTREAM NODE ELEVATION(FEET) = 1143.00 DOWNSTREAM NODE ELEVATION(FEET) = 1134.00 FLOW LENGTH(FEET) = 600.00 MANNING'S N = .013 go ESTIMATED PIPE DIAMETER(INCH) = 24.00 NUMBER OF PIPES = 1 PIPE- FLOW(CFS) = 23.59 ,., TRAVEL TIME(MIN.) = 1.03 TC(MIN.) = 13.14 * •***************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** • _LOW PROCESS FROM NODE 307.00 TO NODE 307.10 I8 CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « « < 0. 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.680 SOIL CLASSIFICATION I8 "A" �* RESIDENTIAL -> 11+ DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .1940 SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 22.38 " t'FFECTIVE AREA(ACRES) = 20.00 YERAGED Fm(INCH/HR) = .194 TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 44.75 TC(MIN) = 13.14 4- ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 307.10 TO NODE 308.10 IB CODE = 3 4- » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< Awe » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< .., DEPTH OF FLOW IN 48.0 INCH PIPE I8 36.7 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 4.3 'o' UPSTREAM NODE ELEVATION(FEET) = 1134.00 DOWNSTREAM NODE ELEVATION(FEET) = 1133.00 ""' FLOW LENGTH(FEET) = 850.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 48.00 NUMBER OF PIPES = 1 PIPE- FLOW(CFS) = 44.75 TRAVEL TIME(MIN.) = 3.26 TC(MIN.) = 16.40 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 308.00 TO NODE 308.10 I8 CODE = 8 » » > ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.346 fIL CLASSIFICATION I8 "An me zESIDENTIAL -> 11+ DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .1940 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 38.74 °-' EFFECTIVE AREA(ACRES) = 40.00 AVERAGED Fm(INCH /HR) = .194 TOTAL AREA(ACRES) = 40.00 PEAK FLOW RATE(CFS) = 77.48 TC(MIN) = 16.40 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 308.10 TO NODE 309.10 I8 CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « « < �* » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< " DEPTH OF FLOW IN 39.0 INCH PIPE IS 28.4 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 12.0 4- UPSTREAM NODE ELEVATION(FEET) = 1133.00 DOWNSTREAM NODE ELEVATION(FEET) = 1115.00 FLOW LENGTH(FEET) = 1500.00 MANNING'S N = .013 ,, ESTIMATED PIPE DIAMETER(INCH) = 39.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 77.48 "rr TRAVEL TIME(MIN.) = 2.09 TC(MIN.) = 18.49 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** '1' FLOW PROCESS FROM NODE 309.00 TO NODE 309.10 I8 CODE = 8 .» »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.184 SOIL CLASSIFICATION IS "An +rr RESIDENTIAL -> 11+ DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .1940 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 71.63 OM EFFECTIVE AREA(ACRES) = 80.00 AVERAGED Fm(INCH /HR) = .194 mOTAL AREA(ACRES) = 80.00 :AK FLOW RATE(CFS) = 143.26 ' - rC (MIN) = 18.49 ww ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 309.10 TO NODE 400.02 IB CODE = 3 ow » » > COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « « < - » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « « < +. DEPTH OF FLOW IN 45.0 INCH PIPE IS 36.0 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 15.1 mm UPSTREAM NODE ELEVATION(FEET) = 1115.00 DOWNSTREAM NODE ELEVATION(FEET) = 1099.50 " FLOW LENGTH(FEET) = 1000.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 45.00 NUMBER OF PIPES = 1 PIPE- FLOW(CFS) = 143.26 TRAVEL TIME(MIN.) = 1.10 TC(MIN.) = 19.59 - ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 310.00 TO NODE 400.02 I8 CODE = 8 • » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< m' 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.109 SOIL CLASSIFICATION I8 "A" - ^ONDOMINIUMS SUBAREA LOSS RATE, Fm(INCH /HR) = .3395 TBAREA AREA(ACRES) = 30.00 SUBAREA RUNOFF(CFS) = 47.78 " zFFECTIVE AREA(ACRES) = 110.00 AVERAGED Fm(INCH /HR) = .234 TOTAL AREA(ACRES) = 110.00 .. PEAK FLOW RATE(CFS) = 185.68 TC(MIN) = 19.59 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 400.02 TO NODE 400.02 I8 CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< » » >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES « «< m, TOTAL NUMBER OF STREAMS = 2 CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: '""' TIME OF CONCENTRATION(MIN.) = 19.59 RAINFALL INTENSITY(INCH /HR) = 2.11 "" AVERAGED Fm(INCH/HR) = .23 EFFECTIVE STREAM AREA(ACRES) = 110.00 TOTAL STREAM AREA(ACRES) = 110.00 , PEAK FLOW RATE(CFS) AT CONFLUENCE = 185.68 "w RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. ** PEAK FLOW RATE TABLE ** Q(CPS) TC(MIN.) Fm(INCH/HR) Ae(ACRES) 525.20 22.46 .290 322.78 "" .. 486.37 27.21 .304 347.50 40r 3 527.91 19.59 .287 295.57 ,,,, COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: as PEAK FLOW RATE(CFS) = 527.91 Tc(MIN.) = 19.589 EFFECTIVE AREA(ACRES) = 295.57 AVERAGED Fm(INCH /HR) = .29 .. TOTAL AREA(ACRES) = 347.50 ar * !***************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** r LOW PROCESS FROM NODE 400.02 TO NODE 400.03 I8 CODE = 5 • » »>COMPUTE TRAPEZOIDAL - CHANNEL FLOW « «< » » > TRAVEL TIME THRU SUBAREA « «< UPSTREAM NODE ELEVATION(FEET) = 1094.00 DOWNSTREAM NODE ELEVATION(FEET) = 1090.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1350.00 CHANNEL BASE(FEET) = 12.00 no' FACTOR = 1.670 • MANNING'S FACTOR = .015 MAXIMUM DEPTH(FEET) = 5.50 CHANNEL FLOW THRU SUBAREA(CFS) = 527.91 FLOW VELOCITY(FEET /SEC.) = 9.33 FLOW DEPTH(FEET) = 3.25 TRAVEL TIME(MIN.) = 2.41 TC(MIN.) = 22.00 - ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 400.03 TO NODE 400.03 I8 CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< TOTAL NUMBER OF STREAMS = 2 CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MIN.) = 22.00 RAINFALL INTENSITY(INCH /HR) = 1.97 • AVERAGED Fm(INCH/HR) = .29 EFFECTIVE STREAM AREA(ACRES) = 295.57 - '"OTAL STREAM AREA(ACRES) = 347.50 :AK FLOW RATE(CFS) AT CONFLUENCE = 527.91 * - ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 311.00 TO NODE 311.10 IS CODE = 2 » » >RATIONAL METHOD INITIAL SUBAREA ANALYSIS « «< DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 11+ DWELLINGS /ACRE TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 - INITIAL SUBAREA FLOW - LENGTH(FEET) = 1000.00 UPSTREAM ELEVATION(FEET) = 1148.00 DOWNSTREAM ELEVATION(FEET) = 1135.00 ELEVATION DIFFERENCE(FEET) = 13.00 - TC(MIN.) = .324 *[( 1000.00 ** 3.00)/( 13.00)] ** .20 = 12.239 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.797 41" SOIL CLASSIFICATION I8 "An RESIDENTIAL -> 11+ DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .1940 °" SUBAREA RUNOFF(CFS) = 21.55 TOTAL AREA(ACRES) = 9.20 PEAK FLOW RATE(CFS) = 21.55 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** • FLOW PROCESS FROM NODE 311.10 TO NODE 312.10 I8 CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) «<« PTH OF FLOW IN 30.0 INCH PIPE I8 24.2 INCHES '" .LPE -FLOW VELOCITY(FEET /SEC.) = 5.1 UPSTREAM NODE ELEVATION(FEET) = 1135.00 DOWNSTREAM NODE ELEVATION(FEET) = 1133.50 FLOW LENGTH(FEET) = 500.00 MANNING'S N = .013 AW ESTIMATED PIPE DIAMETER(INCH) = 30.00 NUMBER OF PIPES = 1 PIPE- FLOW(CFS) = 21.55 ... TRAVEL TIME(MIN.) = 1.64 TC(MIN.) = 13.88 * t***************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ', LOW PROCESS FROM NODE 312.00 TO NODE 312.10 I8 CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.594 SOIL CLASSIFICATION I8 "A" RESIDENTIAL -> 11+ DWELLINGS /ACRE SUBAREA L088 RATE, Fm(INCH /HR) = .1940 SUBAREA AREA(ACRES) = 9.20 SUBAREA RUNOFF(CFS) = 19.87 EFFECTIVE AREA(ACRES) = 18.40 �.. AVERAGED Fm(INCH /HR) = .194 TOTAL AREA(ACRES) = 18.40 PEAK FLOW RATE(CFS) = 39.74 TC(MIN) = 13.88 AW ,.. ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 312.10 TO NODE 313.10 I8 CODE = 3 taw » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< ... » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< DEPTH OF FLOW IN 27.0 INCH PIPE IS 20.5 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 12.3 UPSTREAM NODE ELEVATION(FEET) = 1133.50 .m DOWNSTREAM NODE ELEVATION(FEET) = 1127.40 FLOW LENGTH(FEET) = 300.00 MANNING'S N = .013 rSTIMATED PIPE DIAMETER(INCH) = 27.00 NUMBER OF PIPES = 1 'PE- FLOW(CFS) = 39.74 .a' GRAVEL TIME(MIN.) = .41 TC(MIN.) = 14.29 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 313.00 TO NODE 313.10 I8 CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.549 SOIL CLASSIFICATION I8 "A" RESIDENTIAL -> 11+ DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .1940 SUBAREA AREA(ACRES) = 8.00 SUBAREA RUNOFF(CFS) = 16.96 EFFECTIVE AREA(ACRES) = 26.40 ,.+ AVERAGED Fm(INCH /HR) = .194 TOTAL AREA(ACRES) = 26.40 PEAK FLOW RATE(CFS) = 55.96 TC(MIN) = 14.29 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 313.10 TO NODE 314.10 IS CODE = 3 Alp » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< » » >USING COMPUTER- ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< DEPTH OF FLOW IN 51.0 INCH PIPE I8 39.0 INCHES err PIPE -FLOW VELOCITY(FEET /SEC.) = 4.8 'STREAM NODE ELEVATION(FEET) = 1127.40 .,JWNSTREAM NODE ELEVATION(FEET) = 1127.00 FLOW LENGTH(FEET) = 300.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 51.00 NUMBER OF PIPES = 1 PIPE- FLOW(CFS) = 55.96 mg TRAVEL TIME(MIN.) = 1.04 TC(MIN.) = 15.32 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** la° z'LOW PROCESS FROM NODE 314.00 TO NODE 314.10 I8 CODE = 8 - >» »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.444 SOIL CLASSIFICATION I8 l'A" "4 RESIDENTIAL -> 11+ DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .1940 r SUBAREA AREA(ACRES) = 8.00 SUBAREA RUNOFF(CFS) = 16.20 EFFECTIVE AREA(ACRES) = 34.40 AVERAGED Fm(INCH /HR) = .194 TOTAL AREA(ACRES) = 34.40 dr PEAR FLOW RATE(CFS) = 69.66 TC(MIN) = 15.32 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 314.10 TO NODE 315.10 I8 CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< 6 " DEPTH OF FLOW IN 36.0 INCH PIPE I8 27.0 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 12.3 UPSTREAM NODE ELEVATION(FEET) = 1127.00 DOWNSTREAM NODE ELEVATION(FEET) = 1118.00 FLOW LENGTH(FEET) = 650.00 MANNING'S N = .013 +r+ ESTIMATED PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 69.66 - "RAVEL TIME(MIN.) = .88 TC(MIN.) = 16.21 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** - FLOW PROCESS FROM NODE 315.00 TO NODE 315.10 I8 CODE = 8 `. » » > ADDITION OF SUBAREA TO MAINLINE PEAR FLOW « «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.363 SOIL CLASSIFICATION I8 "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 SUBAREA AREA(ACRES) = 22.00 SUBAREA RUNOFF(CFS) = 37.19 EFFECTIVE AREA(ACRES) = 56.40 • AVERAGED Fm(INCH /HR) = .308 TOTAL AREA(ACRES) = 56.40 • PEAR FLOW RATE(CFS) = 104.35 TC(MIN) = 16.21 .rr - ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ems FLOW PROCESS FROM NODE 315.10 TO NODE 316.10 I8 CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « « < » » >USING COMPUTER- ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< +rr DEPTH OF FLOW IN 42.0 INCH PIPE IS 33.0 INCHES ... PIPE -FLOW VELOCITY(FEET /SEC.) = 12.9 UPSTREAM NODE ELEVATION(FEET) = 1118.00 'm DOWNSTREAM NODE ELEVATION(FEET) = 1108.80 '.OW LENGTH(FEET) = 750.00 MANNING'S N = .013 0 m .JSTIMATED PIPE DIAMETER(INCH) = 42.00 NUMBER OF PIPES = 1 rr PIPE - FLOW(CFS) = 104.35 TRAVEL TIME(MIN.) = .97 TC(MIN.) = 17.18 Awe ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ,.. FLOW PROCESS FROM NODE 316.00 TO NODE 316.10 IS CODE = 8 yaw -» »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.282 SOIL CLASSIFICATION IS "An • RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = 24.00 SUBAREA RUNOFF(CFS) = 38.82 °"" EFFECTIVE AREA(ACRES) = 80.40 AVERAGED Fm(INCH/HR) = .360 TOTAL AREA(ACRES) = 80.40 PEAK FLOW RATE(CFS) = 139.05 TC(MIN) = 17.18 ".., ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 316.10 TO NODE 400.03 I8 CODE = 3 .�r » » > COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< - » » >USING COMPUTER- ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< DEPTH OF FLOW IN 45.0 INCH PIPE IS 36.3 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 14.5 """ UPSTREAM NODE ELEVATION(FEET) = 1108.80 DOWNSTREAM NODE ELEVATION(FEET) = 1094.50 FLOW LENGTH(FEET) = 1000.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 45.00 NUMBER OF PIPES = 1 PIPE- FLOW(CFS) = 139.05 - TRAVEL TIME(MIN.) = 1.15 TC(MIN.) = 18.33 * !***************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** r LIOW PROCESS FROM NODE 317.00 TO NODE 400.03 IS CODE = 8 » > ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.195 SOIL CLASSIFICATION I8 "A" - RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 SUBAREA AREA(ACRES) = 31.00 SUBAREA RUNOFF(CFS) = 47.72 EFFECTIVE AREA(ACRES) = 111.40 �. AVERAGED Fm(INCH /HR) = .395 TOTAL AREA(ACRES) = 111.40 .a PEAK FLOW RATE(CFS) = 180.49 TC(MIN) = 18.33 • ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 400.03 TO NODE 400.03 I8 CODE = 1 » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< » » >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES « «< TOTAL NUMBER OF STREAMS = 2 • CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MIN.) = 18.33 • RAINFALL INTENSITY(INCH /HR) = 2.20 AVERAGED Fm(INCH /HR) = .40 so EFFECTIVE STREAM AREA(ACRES) = 111.40 'TAL STREAM AREA(ACRES) = 111.40 ""'" _r;AK FLOW RATE(CFS) AT CONFLUENCE = 180.49 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. ** PEAK FLOW RATE TABLE ** �.. Q(CFS) Tc(MIN.) Fm(INCH /HR) Ae(ACRES) 1 685.55 22.00 .317 406.97 668.88 24.86 .317 434.18 611.61 29.67 .326 458.90 679.89 18.33 .321 357.60 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 685.55 Tc(MIN.) = 22.000 EFFECTIVE AREA(ACRES) = 406.97 AVERAGED Fm(INCH/HR) = .32 ma TOTAL AREA(ACRES) = 458.90 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 6 , FLOW PROCESS FROM NODE 400.03 TO NODE 400.04 I8 CODE = 5 ... » »COMPUTE TRAPEZOIDAL - CHANNEL FLOW « «< » »TRAVEL TIME THRU SUBAREA « «< or UPSTREAM NODE ELEVATION(FEET) = 1090.00 DOWNSTREAM NODE ELEVATION(FEET) = 1082.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1550.00 CHANNEL BASE(FEET) = 12.00 'Z" FACTOR = 1.670 MANNING'S FACTOR = .015 MAXIMUM DEPTH(FEET) = 4.50 CHANNEL FLOW THRU SUBAREA(CFS) = 685.55 oar FLOW VELOCITY(FEET /SEC.) = 12.27 FLOW DEPTH(FEET) = 3.22 TRAVEL TIME(MIN.) = 2.10 TC(MIN.) = 24.10 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 400.04 TO NODE 400.04 I8 CODE = 1 »DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< TOTAL NUMBER OF STREAMS = 2 '" CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MIN.) = 24.10 '°""` RAINFALL INTENSITY(INCH /HR) = 1.86 AVERAGED Fm(INCH/HR) = .32 EFFECTIVE STREAM AREA(ACRES) = 406.97 TOTAL STREAM AREA(ACRES) = 458.90 PEAK FLOW RATE(CFS) AT CONFLUENCE = 685.55 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 318.00 TO NODE 318.10 I8 CODE = 2 > »RATIONAL METHOD INITIAL SUBAREA ANALYSIS « «< .rr DEVELOPMENT I8 SINGLE FAMILY RESIDENTIAL -> 8 -10 DWELLINGS /ACRE "w' TC = K*[(LENGTH** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW - LENGTH(FEET) = 1000.00 UPSTREAM ELEVATION(FEET) = 1143.00 DOWNSTREAM ELEVATION(FEET) = 1127.00 ELEVATION DIFFERENCE(FEET) = 16.00 air TC(MIN.) = .374 *[( 1000.00 ** 3.00)/( 16.00)] ** .20 = 13.553 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.631 ..,, SOIL CLASSIFICATION I8 HA" RESIDENTIAL -> 8 -10 DWELLINGS /ACRE SUBAREA LO88 RATE, Fm(INCH/HR) = .3880 me SUBAREA RUNOFF(CFS) = 20.19 )TAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 20.19 *- ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 318.10 TO NODE 319.10 IS CODE = 3 �n. » »COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< • » »USING COMPUTER- ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< err *DEPTH OF FLOW IN 33.0 INCH PIPE I8 22.0 INCHES :PE -FLOW VELOCITY(FEET /SEC.) = 4.8 UPSTREAM NODE ELEVATION(FEET) = 1127.00 DOWNSTREAM NODE ELEVATION(FEET) = 1126.00 oar FLOW LENGTH(FEET) = 400.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 33.00 NUMBER OF PIPES = 1 PIPE -FLOW (CFS) = 20.19 TRAVEL TIME(MIN.) = 1.39 TC(MIN.) = 14.94 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** aro FLOW PROCESS FROM NODE 319.00 TO NODE 319.10 I8 CODE = 8 » »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.481 SOIL CLASSIFICATION I8 "An • RESIDENTIAL -> 8 -10 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .3880 SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 18.84 EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH /HR) = .388 • TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 37.68 TC(MIN) = 14.94 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 319.10 TO NODE 320.10 I8 CODE = 3 »COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< .» »USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< "- DEPTH OF FLOW IN 30.0 INCH PIPE I8 23.2 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 9.3 UPSTREAM NODE ELEVATION(FEET) = 1126.00 DOWNSTREAM NODE ELEVATION(FEET) = 1120.00 FLOW LENGTH(FEET) = 600.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 30.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 37.68 TRAVEL TIME(MIN.) = 1.08 TC(MIN.) = 16.02 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** • FLOW PROCESS FROM NODE 320.00 TO NODE 320.10 I8 CODE = 8 • > »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.380 X SOIL CLASSIFICATION IS HA'' RESIDENTIAL -> 8 -10 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .3880 SUBAREA AREA(ACRES) = 13.50 SUBAREA RUNOFF(CFS) = 24.20 EFFECTIVE AREA(ACRES) = 33.50 • AVERAGED Fm(INCH /HR) = .388 TOTAL AREA(ACRES) = 33.50 • PEAK FLOW RATE(CFS) = 60.05 TC(MIN) = 16.02 *:... ***************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 320.10 TO NODE 321.10 I8 CODE = 3 > »COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< air »» »USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< .,. DEPTH OF FLOW IN 36.0 INCH PIPE I8 26.6 INCHES PIPE - FLOW VELOCITY(FEET /SEC.) = 10.7 *"' *'T'STREAM NODE ELEVATION(FEET) = 1120.00 •WNSTREAM NODE ELEVATION(FEET) = 1111.00 """ .LOW LENGTH(FEET) = 850.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES = 1 • PIPE FLOW(CFS) = 60.05 TRAVEL TIME(MIN.) = 1.32 TC(MIN.) = 17.34 .ter ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 321.00 TO NODE 321.10 I8 CODE = 8 » »»ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< �.. 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.269 SOIL CLASSIFICATION IS "A" • RESIDENTIAL - > 8 -10 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .3880 SUBAREA AREA(ACRES) = 30.00 SUBAREA RUNOFF(CFS) = 50.79 "` EFFECTIVE AREA(ACRES) = 63.50 AVERAGED Fm(INCH /HR) = .388 • TOTAL AREA(ACRES) = 63.50 PEAK FLOW RATE(CFS) = 107.50 - TC(MIN) = 17.34 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 321.10 TO NODE 322.10 I8 CODE = 3 set »»»COMPUTE PIPE - FLOW TRAVEL TIME THRU SUBAREA « «< -� » »USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< ,.EPTH OF FLOW IN 42.0 INCH PIPE I8 31.3 INCHES PIPE - FLOW VELOCITY(FEET /SEC.) = 14.0 "" UPSTREAM NODE ELEVATION(FEET) = 1111.00 DOWNSTREAM NODE ELEVATION(FEET) = 1100.00 FLOW LENGTH(FEET) = 750.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 42.00 NUMBER OF PIPES = 1 PIPE FLOW(CFS) = 107.50 TRAVEL TIME(MIN.) = .89 TC(MIN.) = 18.24 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** «.. FLOW PROCESS FROM NODE 322.00 TO NODE 322.10 IS CODE = 8 - » »»ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.202 SOIL CLASSIFICATION I8 "A" • RESIDENTIAL - > 5 -7 DWELLINGS /ACRE SUBAREA LOBS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = 28.00 SUBAREA RUNOFF(CFS) = 43.26 EFFECTIVE AREA(ACRES) = 91.50 41.11 AVERAGED Fm(INCH /HR) = .418 TOTAL AREA(ACRES) = 91.50 . PEAK FLOW RATE(CFS) = 146.91 TC(MIN) = 18.24 m ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** '10W PROCESS FROM NODE 322.10 TO NODE 400.04 I8 CODE = 3 »» »COMPUTE PIPE - FLOW TRAVEL TIME THRU SUBAREA « «< »» »USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< ✓ DEPTH OF FLOW IN 48.0 INCH PIPE I8 35.7 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 14.7 • UPSTREAM NODE ELEVATION(FEET) = 1100.00 DOWNSTREAM NODE ELEVATION(FEET) = 1086.50 r SLOW LENGTH(FEET) = 1000.00 MANNING'S N = .013 1TIMATED PIPE DIAMETER(INCH) = 48.00 NUMBER OF PIPES = 1 ..IPE- FLOW(CFS) = 146.91 TRAVEL TIME(MIN.) = 1.14 TC(MIN.) = 19.38 - ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 323.00 TO NODE 400.04 IS CODE = 8 » »ADDITION OF SUBAREA TO MAINLINE PEAR FLOW « «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.123 SOIL CLASSIFICATION I8 'IA'' • RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 SUBAREA AREA(ACRES) = 35.00 SUBAREA RUNOFF(CFS) = 51.60 �" EFFECTIVE AREA(ACRES) = 126.50 AVERAGED Fm(INCH/HR) = .436 - TOTAL AREA(ACRES) = 126.50 PEAR FLOW RATE(CFS) = 192.05 "" TC(MIN) = 19.38 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 400.04 TO NODE 400.04 IS CODE = 1 » »DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< r.. » » >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES « «< "- TOTAL NUMBER OF STREAMS = 2 )NFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: Iwo _IME OF CONCENTRATION(MIN.) = 19.38 RAINFALL INTENSITY(INCH /HR) = 2.12 "" AVERAGED Fm(INCH/HR) = .44 EFFECTIVE STREAM AREA(ACRES) = 126.50 TOTAL STREAM AREA(ACRES) = 126.50 PEAR FLOW RATE(CFS) AT CONFLUENCE = 192.05 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. ** PEAR FLOW RATE TABLE ** Q(CFS) Tc(MIN.) Fm(INCH /HR) Ae(ACRES) 1 864.39 20.43 .351 484.10 • 2 847.91 24.10 .345 533.47 3 817.40 26.97 .344 560.68 "' 4 741.40 31.83 .350 585.40 5 861.55 19.38 .352 465.68 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAR FLOW RATE(CFS) = 864.39 Tc(MIN.) = 20.428 EFFECTIVE AREA(ACRES) = 484.10 AVERAGED Fm(INCH/HR) = .35 ' TOTAL AREA(ACRES) = 585.40 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 400.04 TO NODE 400.05 I8 CODE = 5 As - »COMPUTE TRAPEZOIDAL - CHANNEL FLOW « «< '� _ > »TRAVEL TIME THRU SUBAREA « «< so UPSTREAM NODE ELEVATION(FEET) = 1082.00 DOWNSTREAM NODE ELEVATION(FEET) = 1071.00 ur mr CHANNEL LENGTH THRU SUBAREA(FEET) = 1350.00 CHANNEL BASE(FEET) = 12.00 'Z" FACTOR = 1.670 ... MANNING'S FACTOR = .015 MAXIMUM DEPTH(FEET) = 4.50 CHANNEL FLOW THRU SUBAREA(CFS) = 864.39 FLOW VELOCITY(FEET /SEC.) = 15.47 FLOW DEPTH(FEET) = 3.22 tAVEL TIME(MIN.) = 1.45 TC(MIN.) = 21.88 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 400.05 TO NODE 400.05 I8 CODE = 1 » »>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< TOTAL NUMBER OF STREAMS = 2 CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: .rr TIME OF CONCENTRATION(MIN.) = 21.88 RAINFALL INTENSITY(INCH /HR) = 1.97 AVERAGED Fm(INCH /HR) = .35 EFFECTIVE STREAM AREA(ACRES) = 484.10 TOTAL STREAM AREA(ACRES) = 585.40 PEAK FLOW RATE(CFS) AT CONFLUENCE = 864.39 " ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 329.00 TO NODE 400.05 IS CODE = 2 » » > RATIONAL METHOD INITIAL SUBAREA ANALYSIS « «< or DEVELOPMENT I8 SINGLE FAMILY RESIDENTIAL -> 5 -7 DWELLINGS /ACRE TC = R *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW - LENGTH(FEET) = 1850.00 UPSTREAM ELEVATION(FEET) = 1100.00 .,.. DOWNSTREAM ELEVATION(FEET) = 1071.00 JEVATION DIFFERENCE(FEET) = 29.00 = .389 *[( 1850.00 ** 3.00)/( 29.00)] ** .20 = 18.104 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.211 'Pm SOIL CLASSIFICATION IS 1A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOBS RATE, Fm(INCH /HR) = .4850 ' SUBAREA RUNOFF(CFS) = 55.94 TOTAL AREA(ACRES) = 36.00 PEAK FLOW RATE(CFS) = 55.94 END OF STUDY SUMMARY: TOTAL AREA(ACRES) = 36.00 TC(MIN.) = 18.10 EFFECTIVE AREA(ACRES) = 36.00 AVERAGED Fm(INCH /HR)= .49 PEAK FLOW RATE(CFS) = 55.94 ar * ** PEAK FLOW RATE TABLE * ** Q(CFS) Tc(MIN.) Fm(INCH /HR) Ae(ACRES) - 1 861.55 20.84 .352 465.68 2 864.39 21.88 .351 484.10 °" 3 847.91 25.57 .345 533.47 4 817.40 28.45 .344 560.68 5 741.40 33.34 .350 585.40 err ,es END OF RATIONAL METHOD ANALYSIS loo an for ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE (Reference: 1986 SAN BERNARDINO CO. HYDROLOGY CRITERION) (c) Copyright 1983 -88 Advanced Engineering Software (aes) Ver. 5.2A Release Date: 7/08/88 Serial # 2929 Analysis prepared by: HALL & FOREMAN INC., 3170 REDHILL AVE., COSTA MESA, CA,92626 13 MARCH 1989, VERS. 5.2A 08 -15 -88 AUTHORIZATION CODE 136020001 * * * * * * * * * * * * * * * * * * * * * * * * ** DESCRIPTION OF STUDY * * * * * * * * * * * * * * * * * * * * * * * * ** * S. FONTANA MASTER S.D. PLAN: LINES M- 1,2,3,4 FOR 100 -YR. STORM. * NOT DESIGN Q. ALL LINES CONFLUENCE WITH THE MULBERRY CHANNEL. • * T. ARROYO, 1/25/90. ******************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FILE NAME: SFONTM1.100 `"" TIME /DATE OF STUDY: 10:24 1/25/1990 - USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: -- *TIME -OF- CONCENTRATION MODEL*- - USER SPECIFIED STORM EVENT(YEAR) = 100.00 ... SPECIFIED MINIMUM PIPE SIZE(INCH) = 36.00 SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE = .95 wa *USER - DEFINED LOGARITHMIC INTERPOLATION USED FOR RAINFALL* 0LOPE OF INTENSITY DURATION CURVE = .6000 USER SPECIFIED 1 -HOUR INTENSITY(INCH /HOUR) = 1.3700 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 300.00 TO NODE 300.10 I8 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(FEET) = 1000.00 •.. UPSTREAM ELEVATION(FEET) = 1155.00 DOWNSTREAM ELEVATION(FEET) = 1144.00 '"' ELEVATION DIFFERENCE(FEET) = 11.00 TC(MIN.) = .389 *[( 1000.00 ** 3.00)/( 11.00)] ** .20 = 15.194 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.123 SOIL CLASSIFICATION IS "A" • RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA RUNOFF(CFS) = 23.74 • TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 23.74 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 300.10 TO NODE 300.11 I8 CODE = 3 »COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< .» »USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< • ESTIMATED PIPE DIAMETER(INCH) INCREASED TO 36.000 DEPTH OF FLOW IN 36.0 INCH PIPE I8 13.9 INCHES air PIPE -FLOW VELOCITY(FEET /SEC.) = 9.4 UPSTREAM NODE ELEVATION(FEET) = 1144.00 - DOWNSTREAM NODE ELEVATION(FEET) = 1140.00 FLOW LENGTH(FEET) = 300.00 MANNING'S N = .013 " TIMATED PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES = 1 :PE- FLOW(CFS) = 23.74 "- TRAVEL TIME(MIN.) = .53 TC(MIN.) = 15.72 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 300.01 TO NODE 300.11 I8 CODE = 8 ON » »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.060 SOIL CLASSIFICATION I8 HA" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOBS RATE, Fm(INCH/HR) = .4850 SUBAREA AREA(ACRES) = 2.50 SUBAREA RUNOFF(CFS) = 5.79 EFFECTIVE AREA(ACRES) = 12.50 I" AVERAGED Fm(INCH /HR) = .485 TOTAL AREA(ACRES) = 12.50 .- PEAK FLOW RATE(CFS) = 28.96 TC(MIN) = 15.72 - ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 300.11 TO NODE 300.12 I8 CODE = 3 „., » »COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< » > USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< DEPTH OF FLOW IN 36.0 INCH PIPE IS 24.4 INCHES �* °IPE -FLOW VELOCITY(FEET /SEC.) = 5.7 ?STREAM NODE ELEVATION(FEET) = 1140.00 ' vOWNSTREAM NODE ELEVATION(FEET) = 1139.00 FLOW LENGTH(FEET) = 325.00 MANNING'S N = .013 - ESTIMATED PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 28.96 - TRAVEL TIME(MIN.) = .96 TC(MIN.) = 16.68 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 300.02 TO NODE 300.12 I8 CODE = 8 » »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.953 - SOIL CLASSIFICATION IS "An RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LO88 RATE, Fm(INCH/HR) = .4850 SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 22.21 EFFECTIVE AREA(ACRES) = 22.50 AVERAGED Fm(INCH /HR) = .485 TOTAL AREA(ACRES) = 22.50 PEAK FLOW RATE(CFS) = 49.98 m TC(MIN) = 16.68 err ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** mi. FLOW PROCESS FROM NODE 300.12 TO NODE 300.13 IS CODE = 3 0 " >» »COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< »USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< DEPTH OF FLOW IN 48.0 INCH PIPE I8 35.9 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 5.0 - UPSTREAM NODE ELEVATION(FEET) = 1139.00 m DOWNSTREAM NODE ELEVATION(FEET) = 1138.00 FLOW LENGTH(FEET) = 650.00 MANNING'S N = .013 - ESTIMATED PIPE DIAMETER(INCH) = 48.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 49.98 • "RAVEL TIME(MIN.) = 2.19 TC(MIN.) = 18.87 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 300.03 TO NODE 300.13 I8 CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.743 • SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LO88 RATE, Fm(INCH /HR) = .4850 toe SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 40.64 EFFECTIVE AREA(ACRES) = 42.50 - AVERAGED Fm(INCH /HR) = .485 TOTAL AREA(ACRES) = 42.50 ▪ PEAK FLOW RATE(CFS) = 86.36 TC(MIN) = 18.87 r." ********************************************* * * * * * * * * * * * * * ** * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 300.13 TO NODE 300.14 I8 CODE = 3 • » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< DEPTH OF FLOW IN 36.0 INCH PIPE IS 25.0 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 16.5 UPSTREAM NODE ELEVATION(FEET) = 1138.00 'DOWNSTREAM NODE ELEVATION(FEET) = 1120.00 SOW LENGTH(FEET) = 700.00 MANNING'S N = .013 - zSTIMATED PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 86.36 -° TRAVEL TIME(MIN.) = .71 TC(MIN.) = 19.58 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 300.04 TO NODE 300.14 I8 CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.683 - SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 - SUBAREA AREA(ACRES) = 25.00 SUBAREA RUNOFF(CFS) = 49.45 EFFECTIVE AREA(ACRES) = 67.50 rr AVERAGED Fm(INCH /HR) = .485 TOTAL AREA(ACRES) = 67.50 ' PEAK FLOW RATE(CFS) = 133.52 TC(MIN) = 19.58 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 300.14 TO NODE 300.15 I8 CODE = 3 a. » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< » » >USING COMPUTER- ESTIMATED PIPESIZE (NON - PRESSURE FLOW) ««< ;PTH OF FLOW IN 48.0 INCH PIPE I8 36.2 INCHES • rIPE - FLOW VELOCITY(FEET /SEC.) = 13.1 UPSTREAM NODE ELEVATION(FEET) = 1130.00 DOWNSTREAM NODE ELEVATION(FEET) = 1123.00 - FLOW LENGTH(FEET) = 650.00 MANNING'S N = .013 my ESTIMATED PIPE DIAMETER(INCH) = 48.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 133.52 - TRAVEL TIME(MIN.) = .83 TC(MIN.) = 20.40 k * * * * * * * * * * * * ** *+ kit *** *** * ** * *** * * * ** *art *** * ** *** * ** * ** * ** *fir ** *** * *** * **** �- LOW PROCESS FROM NODE 300.05 TO NODE 300.15 I8 CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< ' 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.617 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, PM(INCH /HR) = .4850 SUBAREA AREA(ACRES) = 25.00 SUBAREA RUNOFF(CFS) = 47.97 EFFECTIVE AREA(ACRES) = 92.50 „„ AVERAGED Fm(INCH /HR) = .485 TOTAL AREA(ACRES) = 92.50 M,. PEAK FLOW RATE(CFS) = 177.50 TC(MIN) = 20.40 �.. ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 300.15 TO NODE 300.16 I8 CODE = 3 » »>COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< DEPTH OF FLOW IN 48.0 INCH PIPE I8 37.4 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 16.9 UPSTREAM NODE ELEVATION(FEET) = 1123.00 DOWNSTREAM NODE ELEVATION(FEET) = 1107.00 FLOW LENGTH(FEET) = 900.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 48.00 NUMBER OF PIPES = 1 :PE- FLOW(CFS) = 177.50 TRAVEL TIME(MIN.) = .89 TC(MIN.) = 21.29 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** " FLOW PROCESS FROM NODE 300.06 TO NODE 300.16 I8 CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.551 SOIL CLASSIFICATION I8 "A" RESIDENTIAL - > 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = 35.00 SUBAREA RUNOFF(CFS) = 65.08 EFFECTIVE AREA(ACRES) = 127.50 a.. AVERAGED Fm(INCH /HR) = .485 TOTAL AREA(ACRES) = 127.50 "' PEAK FLOW RATE(CFS) = 237.08 TC(MIN) = 21.29 rr' ** ******************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 300.16 TO NODE 400.01 I8 CODE = 5 » »>COMPUTE TRAPEZOIDAL - CHANNEL FLOW « «< » »> TRAVEL TIME THRU SUBAREA « «< UPSTREAM NODE ELEVATION(FEET) = 1107.00 nOWNSTREAM NODE ELEVATION(FEET) = 1097.00 IANNEL LENGTH THRU SUBAREA(FEET) = 1350.00 �* .:HANNEL BASE(FEET) = 12.00 "Z" FACTOR = 1.670 MANNING'S FACTOR = .015 MAXIMUM DEPTH(FEET) = 5.00 CHANNEL FLOW THRU SUBAREA(CFS) = 237.08 FLOW VELOCITY(FEET /SEC.) = 10.11 FLOW DEPTH(FEET) = 1.60 „r® TRAVEL TIME(MIN.) = 2.23 TC(MIN.) = 23.51 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 'G 'LOW PROCESS FROM NODE 400.01 TO NODE 400.01 I8 CODE = 1 >» »DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< TOTAL NUMBER OF STREAMS = 2 CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MIN.) = 23.51 RAINFALL INTENSITY(INCH/HR) = 2.40 AVERAGED Fm(INCH/HR) = .49 EFFECTIVE STREAM AREA(ACRES) = 127.50 TOTAL STREAM AREA(ACRES) = 127.50 am PEAK FLOW RATE(CFS) AT CONFLUENCE = 237.08 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** wai FLOW PROCESS FROM NODE 301.00 TO NODE 301.10 I8 CODE = 2 » »>RATIONAL METHOD INITIAL SUBAREA ANALYSIS « «< DEVELOPMENT I8 CONDOMINIUMS TC = K*[(LENGTH** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW - LENGTH(FEET) = 900.00 UPSTREAM ELEVATION(FEET) = 1157.00 DOWNSTREAM ELEVATION(FEET) = 1146.00 ELEVATION DIFFERENCE(FEET) = 11.00 TC(MIN.) = .360 *[( 900.00 ** 3.00)/( 11.00)] ** .20 = 13.200 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.398 SOIL CLASSIFICATION I8 "An ^ ONDOMINIUMS SUBAREA LOSS RATE, Fm(INCH/HR) = .3395 JBAREA RUNOFF(CFS) = 27.53 TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 27.53 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** "' FLOW PROCESS FROM NODE 301.10 TO NODE 302.10 I8 CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « « < ESTIMATED PIPE DIAMETER(INCH) INCREASED TO 36.000 DEPTH OF FLOW IN 36.0 INCH PIPE I8 14.9 INCHES ... PIPE -FLOW VELOCITY(FEET /SEC.) = 9.9 UPSTREAM NODE ELEVATION(FEET) = 1146.00 .,. DOWNSTREAM NODE ELEVATION(FEET) = 1137.00 FLOW LENGTH(FEET) = 650.00 MANNING'S N = .013 I" ESTIMATED PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES = 1 PIPE- FLOW(CFS) = 27.53 ""' TRAVEL TIME(MIN.) = 1.09 TC(MIN.) = 14.29 ,r. ********************************************* * ** * ** * * * * * * * * * * * * * * * * * * * * * * * ** m. FLOW PROCESS FROM NODE 302.00 TO NODE 302.10 I8 CODE = 8 ,rr » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.240 mr SOIL CLASSIFICATION I8 "A" )MMERCIAL SUBAREA LOSS RATE, Fm(INCH/HR) = .0970 ** ., OBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 28.29 EFFECTIVE AREA(ACRES) = 20.00 ail AVERAGED Fm(INCH /HR) = .218 TOTAL AREA(ACRES) = 20.00 m. PEAK FLOW RATE(CFS) = 54.40 TC(MIN) = 14.29 dido *. r. a. tktktk****** *****# t# ttk *** **** *** *** * * * *** ** * #*** *** *** ** * *** ** *** * ** ***** ** *** AOW PROCESS FROM NODE 302.10 TO NODE 303.10 I8 CODE = 3 » »>COMPUTE PIPE - FLOW TRAVEL TIME THRU SUBAREA « «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< d "" DEPTH OF FLOW IN 48.0 INCH PIPE I8 38.9 INCHES PIPE - FLOW VELOCITY(FEET /SEC.) = 5.0 UPSTREAM NODE ELEVATION(FEET) = 1137.00 ,,,, DOWNSTREAM NODE ELEVATION(FEET) = 1136.00 FLOW LENGTH(FEET) = 650.00 MANNING'S N = .013 vid ESTIMATED PIPE DIAMETER(INCH) = 48.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 54.40 -- TRAVEL TIME(MIN.) = 2.17 TC(MIN.) = 16.46 �.r ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 303.00 TO NODE 303.10 IS CODE = 8 Add » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.976 SOIL CLASSIFICATION I8 "A" CONDOMINIUMS SUBAREA LO88 RATE, Fm(INCH/HR) = .3395 .,. SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 47.46 EFFECTIVE AREA(ACRES) = 40.00 A+ AVERAGED Fm(INCH/HR) = .279 TOTAL AREA(ACRES) = 40.00 Ad ''EAR FLOW RATE(CFS) = 97.11 :(MIN) = 16.46 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 303.10 TO NODE 304.10 I8 CODE = 3 » »>COMPUTE PIPE - FLOW TRAVEL TIME THRU SUBAREA « «< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< md DEPTH OF FLOW IN 39.0 INCH PIPE I8 31.0 INCHES PIPE - FLOW VELOCITY(FEET /SEC.) = 13.7 UPSTREAM NODE ELEVATION(FEET) = 1136.00 A. DOWNSTREAM NODE ELEVATION(FEET) = 1116.00 FLOW LENGTH(FEET) = 1300.00 MANNING'S N = .013 As ESTIMATED PIPE DIAMETER(INCH) = 39.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 97.11 I" TRAVEL TIME(MIN.) = 1.58 TC(MIN.) = 18.04 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 304.00 TO NODE 304.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< rr 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.817 AM SOIL CLASSIFICATION I8 "A" COMMERCIAL SUBAREA LOSS RATE, Fm(INCH /HR) = .0970 " GUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 97.92 ?FECTIVE AREA(ACRES) = 80.00 - AVERAGED Fm(INCH/HR) = .188 .r. TOTAL AREA(ACRES) = 80.00 PEAK FLOW RATE(CFS) = 189.30 - TC(MIN) = 18.04 m ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 304.10 TO NODE 400.01 I8 CODE = 3 rr - »COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< » »USING COMPUTER- ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< • DEPTH OF FLOW IN 54.0 INCH PIPE I8 39.1 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 15.3 UPSTREAM NODE ELEVATION(FEET) = 1116.00 • DOWNSTREAM NODE ELEVATION(FEET) = 1102.00 FLOW LENGTH(FEET) = 1100.00 MANNING'S N = .013 - ESTIMATED PIPE DIAMETER(INCH) = 54.00 NUMBER OF PIPES = 1 PIPE- FLOW(CFS) = 189.30 TRAVEL TIME(MIN.) = 1.20 TC(MIN.) = 19.24 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 305.00 TO NODE 400.01 I8 CODE = 8 "" > »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 1410' 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.711 SOIL CLASSIFICATION I8 ',A" COMMERCIAL SUBAREA LOSS RATE, Fm(INCH /HR) = .0970 , SUBAREA AREA(ACRES) = 30.00 SUBAREA RUNOFF(CFS) = 70.57 EFFECTIVE AREA(ACRES) = 110.00 .,, AVERAGED Fm(INCH/HR) = .163 TOTAL AREA(ACRES) = 110.00 tai PEAK FLOW RATE(CFS) = 252.21 TC(MIN) = 19.24 alw ** w****************************************** * * * * ** * ** * * * * * * * * * * ** * * * * * * * * ** FLOW PROCESS FROM NODE 400.01 TO NODE 400.01 I8 CODE = 1 » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « « < » » >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES « « < - TOTAL NUMBER OF STREAMS = 2 • CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MIN.) = 19.24 ""." RAINFALL INTENSITY(INCH/HR) = 2.71 AVERAGED Fm(INCH /HR) = .16 ... EFFECTIVE STREAM AREA(ACRES) = 110.00 TOTAL STREAM AREA(ACRES) = 110.00 ^- PEAK FLOW RATE(CFS) AT CONFLUENCE = 252.21 4' RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. ** PEAK FLOW RATE TABLE ** Q(CFS) Tc(MIN.) Fm(INCH/HR) Ae(ACRES) 1 458.87 23.51 .336 237.50 2 477.29 19.24 .320 214.33 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 477.29 Tc(MIN.) = 19.241 EFFECTIVE AREA(ACRES) = 214.33 AVERAGED Fm(INCH/HR) = .32 a' TOTAL AREA(ACRES) = 237.50 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 400.01 TO NODE 400.02 I8 CODE = 5 » »>COMPUTE TRAPEZOIDAL - CHANNEL FLOW « «< » » > TRAVEL TIME THRU SUBAREA « «< UPSTREAM NODE ELEVATION(FEET) = 1097.00 " OWNSTREAM NODE ELEVATION(FEET) = 1094.00 [ANNEL LENGTH THRU SUBAREA(FEET) = 1300.00 .. CHANNEL BASE(FEET) = 12.00 "Z" FACTOR = 1.670 MANNING'S FACTOR = .015 MAXIMUM DEPTH(FEET) = 5.00 CHANNEL FLOW THRU SUBAREA(CFS) = 477.29 FLOW VELOCITY(FEET /SEC.) = 8.34 FLOW DEPTH(FEET) = 3.28 """ TRAVEL TIME(MIN.) = 2.60 TC(MIN.) = 21.84 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 400.02 TO NODE 400.02 IS CODE = 1 fiNg » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< TOTAL NUMBER OF STREAMS = 2 • CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MIN.) = 21.84 • RAINFALL INTENSITY(INCH /HR) = 2.51 AVERAGED Fm(INCH /HR) = .32 aim EFFECTIVE STREAM AREA(ACRES) = 214.33 TOTAL STREAM AREA(ACRES) = 237.50 "' PEAK FLOW RATE(CFS) AT CONFLUENCE = 477.29 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 306.00 TO NODE 306.10 I8 CODE = 2 » » >RATIONAL METHOD INITIAL SUBAREA ANALYSIS « «< SVELOPMENT I8 SINGLE FAMILY RESIDENTIAL -> 11+ DWELLINGS /ACRE �°' 1'C = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW - LENGTH(FEET) = 900.00 • UPSTREAM ELEVATION(FEET) = 1153.00 DOWNSTREAM ELEVATION(FEET) = 1143.00 "°" ELEVATION DIFFERENCE(FEET) = 10.00 TC(MIN.) = .324 *[( 900.00 ** 3.00)/( 10.00)] ** .20 = 12.109 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.579 SOIL CLASSIFICATION IS "An RESIDENTIAL -> 11+ DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .1940 -, SUBAREA RUNOFF(CFS) = 30.46 TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 30.46 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 306.10 TO NODE 307.10 I8 CODE = 3 rr » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< " » » >USING COMPUTER- ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< mm ESTIMATED PIPE DIAMETER(INCH) INCREASED TO 36.000 DEPTH OF FLOW IN 36.0 INCH PIPE I8 15.4 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 10.5 ▪ UPSTREAM NODE ELEVATION(FEET) = 1143.00 DOWNSTREAM NODE ELEVATION(FEET) = 1134.00 ,,. FLOW LENGTH(FEET) = 600.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES = 1 DIPE- FLOW(CFS) = 30.46 tAVEL TIME(MIN.) = .95 TC(MIN.) = 13.06 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 307.00 TO NODE 307.10 IS CODE = 8 » »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< mor 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.420 QOIL CLASSIFICATION I8 "An :SIDENTIAL -> 11+ DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .1940 SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 29.04 EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH/HR) = .194 TOTAL AREA(ACRES) = 20.00 """ PEAK FLOW RATE(CFS) = 58.07 TC(MIN) = 13.06 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** wr FLOW PROCESS FROM NODE 307.10 TO NODE 308.10 IB CODE = 3 .,. » »COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< » »USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « « < ai DEPTH OF FLOW IN 54.0 INCH PIPE IS 39.4 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 4.7 UPSTREAM NODE ELEVATION(FEET) = 1134.00 am DOWNSTREAM NODE ELEVATION(FEET) = 1133.00 FLOW LENGTH(FEET) = 850.00 MANNING'S N = .013 "" ESTIMATED PIPE DIAMETER(INCH) = 54.00 NUMBER OF PIPES = 1 40 PIPE- FLOW(CFS) = 58.07 TRAVEL TIME(MIN.) = 3.04 TC(MIN.) = 16.10 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 308.00 TO NODE 308.10 I8 CODE = 8 »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.017 -~ SOIL CLASSIFICATION I8 'An RESIDENTIAL -> 11+ DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .1940 ` 11° SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 50.82 EFFECTIVE AREA(ACRES) = 40.00 AVERAGED Fm(INCH /HR) = .194 TOTAL AREA(ACRES) = 40.00 PEAK FLOW RATE(CFS) = 101.63 TC(MIN) = 16.10 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 308.10 TO NODE 309.10 I8 CODE = 3 "" > »COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « « < > »USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< DEPTH OF FLOW IN 42.0 INCH PIPE IS 32.6 INCHES Aft PIPE -FLOW VELOCITY(FEET /SEC.) = 12.7 UPSTREAM NODE ELEVATION(FEET) = 1133.00 DOWNSTREAM NODE ELEVATION(FEET) = 1115.00 ,ig FLOW LENGTH(FEET) = 1500.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 42.00 NUMBER OF PIPES = 1 .,, PIPE- FLOW(CFS) = 101.63 TRAVEL TIME(MIN.) = 1.97 TC(MIN.) = 18.06 ..**,,..****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 309.00 TO NODE 309.10 I8 CODE = 8 » > ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< .�r 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.815 SOIL CLASSIFICATION I8 "A" RESIDENTIAL -> 11+ DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .1940 A" QUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 94.37 'FECTIVE AREA(ACRES) = 80.00 AVERAGED Fm(INCH/HR) = .194 TOTAL AREA(ACRES) = 80.00 PEAK FLOW RATE(CFS) = 188.74 TC(MIN) = 18.06 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** • FLOW PROCESS FROM NODE 309.10 TO NODE 400.02 IB CODE = 3 • » » > COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< » » >USING COMPUTER- ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « « < DEPTH OF FLOW IN 51.0 INCH PIPE IB 38.6 INCHES ""'" PIPE -FLOW VELOCITY(FEET /SEC.) = 16.4 UPSTREAM NODE ELEVATION(FEET) = 1115.00 "" DOWNSTREAM NODE ELEVATION(FEET) = 1099.50 FLOW LENGTH(FEET) = 1000.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 51.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 188.74 TRAVEL TIME(MIN.) = 1.02 TC(MIN.) = 19.08 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 310.00 TO NODE 400.02 I8 CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< .00 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.724 • " DOIL CLASSIFICATION I8 "Au CONDOMINIUMS SUBAREA LOSS RATE, Fm(INCH/HR) = .3395 "" SUBAREA AREA(ACRES) = 30.00 SUBAREA RUNOFF(CFS) = 64.39 EFFECTIVE AREA(ACRES) = 110.00 AVERAGED Fm(INCH /HR) = .234 TOTAL AREA(ACRES) = 110.00 PEAK FLOW RATE(CFS) = 246.57 • TC(MIN) = 19.08 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 400.02 TO NODE 400.02 I8 CODE = 1 • » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< ®r. » » >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES « «< TOTAL NUMBER OF STREAMS = 2 CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MIN.) = 19.08 RAINFALL INTENSITY(INCH /HR) = 2.72 AVERAGED Fm(INCH/HR) = .23 EFFECTIVE STREAM AREA(ACRES) = 110.00 • TOTAL STREAM AREA(ACRES) = 110.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 246.57 IVO RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. " -- * PEAK FLOW RATE TABLE ** Q(CFS) TC(MIN.) Fm(INCH /HR) Ae(ACRES) 1 702.86 21.84 .291 324.33 2 658.96 26.15 .304 347.50 3 703.89 19.08 .288 297.25 • COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 703.89 TC(MIN.) = 19.080 z'FFECTIVE AREA(ACRES) = 297.25 AVERAGED Fm(INCH/HR) = .29 )TAL AREA(ACRES) = 347.50 �.' ********************************************* * * * * * * * * * * * * * * * * * * ***** * * * * * * ** FLOW PROCESS FROM NODE 400.02 TO NODE 400.03 I8 CODE = 5 » » »COMPUTE TRAPEZOIDAL - CHANNEL FLOW « «< » » »TRAVEL TIME THRU SUBAREA « «< UPSTREAM NODE ELEVATION(FEET) = 1094.00 DOWNSTREAM NODE ELEVATION(FEET) = 1090.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1350.00 ... CHANNEL BASE(FEET) = 12.00 "Z" FACTOR = 1.670 MANNING'S FACTOR = .015 MAXIMUM DEPTH(FEET) = 5.50 A* CHANNEL FLOW THRU SUBAREA(CFS) = 703.89 FLOW VELOCITY(FEET /SEC.) = 10.19 FLOW DEPTH(FEET) = 3.77 • TRAVEL TIME(MIN.) = 2.21 TC(MIN.) = 21.29 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** "° FLOW PROCESS FROM NODE 400.03 TO NODE 400.03 I8 CODE = 1 » » »DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< TOTAL NUMBER OF STREAMS = 2 • CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MIN.) = 21.29 - rAINFALL INTENSITY(INCH /HR) = 2.55 TERAGED Fm(INCH /HR) = .29 up" LFFECTIVE STREAM AREA(ACRES) = 297.25 TOTAL STREAM AREA(ACRES) = 347.50 """' PEAK FLOW RATE(CFS) AT CONFLUENCE = 703.89 ********************************************* ***** * * * * * * * * * * * * * * * * * * * * * * * * ** - FLOW PROCESS FROM NODE 311.00 TO NODE 311.10 I8 CODE = 2 » » »RATIONAL METHOD INITIAL SUBAREA ANALYSIS « «< DEVELOPMENT I8 SINGLE FAMILY RESIDENTIAL -> 11+ DWELLINGS /ACRE �•• TC = R *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW - LENGTH(FEET) = 1000.00 • UPSTREAM ELEVATION(FEET) = 1148.00 DOWNSTREAM ELEVATION(FEET) = 1135.00 *' ELEVATION DIFFERENCE(FEET) = 13.00 TC(MIN.) = .324 *[( 1000.00 ** 3.00)/( 13.00)] ** .20 = 12.239 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.556 SOIL CLASSIFICATION IS HA" err RESIDENTIAL -> 11+ DWELLINGS /ACRE SUBAREA LO88 RATE, Fm(INCH/HR) = .1940 SUBAREA RUNOFF(CFS) = 27.84 TOTAL AREA(ACRES) = 9.20 PEAK FLOW RATE(CFS) = 27.84 .,, ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 311.10 TO NODE 312.10 I8 CODE = 3 » »COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< ,» »USING COMPUTER- ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< • ESTIMATED PIPE DIAMETER(INCH) INCREASED TO 36.000 DEPTH OF FLOW IN 36.0 INCH PIPE IS 24.0 INCHES " PIPE -FLOW VELOCITY(FEET /SEC.) = 5.6 UPSTREAM NODE ELEVATION(FEET) = 1135.00 .. DOWNSTREAM NODE ELEVATION(FEET) = 1133.50 FLOW LENGTH(FEET) = 500.00 MANNING'S N = .013 - "STIMATED PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES = 1 LPE- FLOW(CFS) = 27.84 TRAVEL TIME(MIN.) = 1.50 TC(MIN.) = 13.73 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 312.00 TO NODE 312.10 I8 CODE = 8 » »ADDITION OF SUBAREA TO MAINLINE PEAR FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.318 err SOIL CLASSIFICATION I8 "An RESIDENTIAL -> 11+ DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .1940 •• SUBAREA AREA(ACRES) = 9.20 SUBAREA RUNOFF(CFS) = 25.87 EFFECTIVE AREA(ACRES) = 18.40 #"" AVERAGED Fm(INCH /HR) = .194 TOTAL AREA(ACRES) = 18.40 PEAR FLOW RATE(CFS) = 51.74 TC(MIN) = 13.73 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 312.10 TO NODE 313.10 I8 CODE = 3 .,, » »COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA< « < » »USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< ESTIMATED PIPE DIAMETER(INCH) INCREASED TO 36.000 - ^EPTH OF FLOW IN 36.0 INCH PIPE I8 19.2 INCHES £PE -FLOW VELOCITY(FEET /SEC.) = 13.5 UPSTREAM NODE ELEVATION(FEET) = 1133.50 DOWNSTREAM NODE ELEVATION(FEET) = 1127.40 FLOW LENGTH(FEET) = 300.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 51.74 TRAVEL TIME(MIN.) = .37 TC(MIN.) = 14.11 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ,. FLOW PROCESS FROM NODE 313.00 TO NODE 313.10 I8 CODE = 8 - » »ADDITION OF SUBAREA TO MAINLINE PEAR FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.266 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 11+ DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .1940 SUBAREA AREA(ACRES) = 8.00 SUBAREA RUNOFF(CFS) = 22.12 "" EFFECTIVE AREA(ACRES) = 26.40 AVERAGED Fm(INCH /HR) = .194 TOTAL AREA(ACRES) = 26.40 PEAR FLOW RATE(CFS) = 72.98 TC(MIN) = 14.11 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 313.10 TO NODE 314.10 IS CODE = 3 ..w »COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< - » »USING COMPUTER- ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « « < DEPTH OF FLOW IN 57.0 INCH PIPE I8 42.4 INCHES - PIPE - FLOW VELOCITY(FEET /SEC.) = 5.2 mg UPSTREAM NODE ELEVATION(FEET) = 1127.40 DOWNSTREAM NODE ELEVATION(FEET) = 1127.00 FLOW LENGTH(FEET) = 300.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 57.00 NUMBER OF PIPES = 1 "rr 'tPE- FLOW (CFS) = 72.98 .tAVEL TIME(MIN.) = .97 TC(MIN.) = 15.07 ""' **+ k**************** tlktk********* 4** * ** ** * * * * *lkfktlk** ** ** * * * * * *+I ** ** **lk*** * **#r*** FLOW PROCESS FROM NODE 314.00 TO NODE 314.10 I8 CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAR FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.138 SOIL CLASSIFICATION IS "An ,... RESIDENTIAL -> 11+ DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .1940 SUBAREA AREA(ACRES) = 8.00 SUBAREA RUNOFF(CFS) = 21.20 - EFFECTIVE AREA(ACRES) = 34.40 AVERAGED Fm(INCH /HR) = .194 -• TOTAL AREA(ACRES) = 34.40 PEAR FLOW RATE(CFS) = 91.15 TC(MIN) = 15.07 skaw ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** • FLOW PROCESS FROM NODE 314.10 TO NODE 315.10 I8 CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< » » > USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< w. DEPTH OF FLOW IN 39.0 INCH PIPE I8 30.7 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 13.0 ... 'TPSTREAM NODE ELEVATION(FEET) = 1127.00 )WNSTREAM NODE ELEVATION(FEET) = 1118.00 • rLOW LENGTH(FEET) = 650.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 39.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 91.15 TRAVEL TIME(MIN.) = .83 TC(MIN.) = 15.91 - ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 315.00 TO NODE 315.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAR FLOW « «< �w 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.039 SOIL CLASSIFICATION I8 NO • RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = 22.00 SUBAREA RUNOFF(CFS) = 50.56 " EFFECTIVE AREA(ACRES) = 56.40 AVERAGED Fm(INCH /HR) = .308 "" TOTAL AREA(ACRES) = 56.40 PEAR FLOW RATE(CFS) = 138.63 • TC(MIN) = 15.91 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 315.10 TO NODE 316.10 IS CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< ANN ■» »USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< DEPTH OF FLOW IN 48.0 INCH PIPE I8 35.4 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 14.0 UPSTREAM NODE ELEVATION(FEET) = 1118.00 DOWNSTREAM NODE ELEVATION(FEET) = 1108.80 • FLOW LENGTH(FEET) = 750.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 48.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 138.63 TRAVEL TIME(MIN.) _ .90 TC(MIN.) = 16.80 -- *: s****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 316.00 TO NODE 316.10 I8 CODE = 8 4- » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.940 SOIL CLASSIFICATION I8 "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = 24.00 SUBAREA RUNOFF(CFS) = 53.03 rr EFFECTIVE AREA(ACRES) = 80.40 AVERAGED Fm(INCH /HR) = .360 .,. TOTAL AREA(ACRES) = 80.40 PEAK FLOW RATE(CFS) = 186.67 .*1 TC(MIN) = 16.80 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 316.10 TO NODE 400.03 IS CODE = 3 » » > COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< ,-, DEPTH OF FLOW IN 51.0 INCH PIPE I8 39.6 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 15.8 MIN UPSTREAM NODE ELEVATION(FEET) = 1108.80 DOWNSTREAM NODE ELEVATION(FEET) = 1094.50 z'LOW LENGTH(FEET) = 1000.00 MANNING'S N = .013 3TIMATED PIPE DIAMETER(INCH) = 51.00 NUMBER OF PIPES = 1 • rIPE- FLOW(CFS) = 186.67 TRAVEL TIME(MIN.) = 1.06 TC(MIN.) = 17.86 'N` ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 317.00 TO NODE 400.03 I8 CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW< « < 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.835 SOIL CLASSIFICATION I8 "A" �•• RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = 31.00 SUBAREA RUNOFF(CFS) = 65.56 • EFFECTIVE AREA(ACRES) = 111.40 AVERAGED Fm(INCH /HR) = .395 461 TOTAL AREA(ACRES) = 111.40 PEAK FLOW RATE(CFS) = 244.59 TC(MIN) = 17.86 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 400.03 TO NODE 400.03 I8 CODE = 1 +�r » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< • » » >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES « «< TOTAL NUMBER OF STREAMS = 2 )NFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: ""' LIME OF CONCENTRATION(MIN.) = 17.86 RAINFALL INTENSITY(INCH /HR) = 2.83 • AVERAGED Fm(INCH /HR) = .40 EFFECTIVE STREAM AREA(ACRES) = 111.40 am TOTAL STREAM AREA(ACRES) = 111.40 PEAK FLOW RATE(CFS) AT CONFLUENCE = 244.59 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO *++ ^ ONFLUENCE FORMULA USED FOR 2 STREAMS. <-- i.* PEAK FLOW RATE TABLE ** Q(CFS) Tc(MIN.) Fm(INCH /HR) Ae(ACRES) w " 1 920.05 21.29 .317 408.65 2 900.97 24.05 .317 435.73 ~"' 3 834.47 28.41 .326 458.90 4 909.07 17.86 .321 360.77 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 920.05 Tc(MIN.) = 21.287 mm EFFECTIVE AREA(ACRES) = 408.65 AVERAGED Fm(INCH/HR) = .32 TOTAL AREA(ACRES) = 458.90 . ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 400.03 TO NODE 400.04 I8 CODE = 5 » » >COMPUTE TRAPEZOIDAL - CHANNEL FLOW « «< o ' » » >TRAVEL TIME THRU SUBAREA « «< "' UPSTREAM NODE ELEVATION(FEET) = 1090.00 DOWNSTREAM NODE ELEVATION(FEET) = 1082.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1550.00 CHANNEL BASE(FEET) = 12.00 "Z" FACTOR = 1.670 MANNING'S FACTOR = .015 MAXIMUM DEPTH(FEET) = 4.50 • CHANNEL FLOW THRU SUBAREA(CFS) = 920.05 FLOW VELOCITY(FEET /SEC.) = 13.36 FLOW DEPTH(FEET) = 3.77 - '^RAVEL TIME(MIN.) = 1.93 TC(MIN.) = 23.22 ********************************************* * * * * * ** * * * * * * ** * * * * * * ** ** ** * * ** -. FLOW PROCESS FROM NODE 400.04 TO NODE 400.04 IS CODE = 1 • » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< '°°" TOTAL NUMBER OF STREAMS = 2 CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MIN.) = 23.22 RAINFALL INTENSITY(INCH /HR) = 2.42 AVERAGED Fm(INCH /HR) = .32 .., EFFECTIVE STREAM AREA(ACRES) = 408.65 TOTAL STREAM AREA(ACRES) = 458.90 ,.. PEAK FLOW RATE(CFS) AT CONFLUENCE = 920.05 ********************************************* *** * **** * *** * * * * * ** ** * * * * * * * * ** - FLOW PROCESS FROM NODE 318.00 TO NODE 318.10 IS CODE = 2 » » >RATIONAL METHOD INITIAL SUBAREA ANALYSIS « «< DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 8 -10 DWELLINGS /ACRE TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW - LENGTH(FEET) = 1000.00 411, UPSTREAM ELEVATION(FEET) = 1143.00 DOWNSTREAM ELEVATION(FEET) = 1127.00 • RLEVATION DIFFERENCE(FEET) = 16.00 = .374 *[( 1000.00 ** 3.00)/( 16.00)] ** .20 = 13.553 '"' 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.345 SOIL CLASSIFICATION I8 "A" " RESIDENTIAL - > 8 - 10 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .3880 SUBAREA RUNOFF(CFS) = 26.61 , TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 26.61 ********************************************* * ** * ** ** * * ** * * * * ** * ** * * * ** * * * ** OA 'PLOW PROCESS FROM NODE 318.10 TO NODE 319.10 I8 CODE = 3 >» »COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< » » >USING COMPUTER- ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< DEPTH OF FLOW IN 36.0 INCH PIPE I8 24.8 INCHES • PIPE -FLOW VELOCITY(FEET /SEC.) = 5.1 r UPSTREAM NODE ELEVATION(FEET) = 1127.00 DOWNSTREAM NODE ELEVATION(FEET) = 1126.00 FLOW LENGTH(FEET) = 400.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES = 1 PIPE- FLOW(CFS) = 26.61 TRAVEL TIME(MIN.) = 1.30 TC(MIN.) = 14.85 ..w ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 319.00 TO NODE 319.10 I8 CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.166 SOIL CLASSIFICATION IS "A" INN RESIDENTIAL -> 8 -10 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .3880 SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 25.00 EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH /HR) = .388 40 TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 50.01 ... '^C (MIN) = 14.85 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** -• FLOW PROCESS FROM NODE 319.10 TO NODE 320.10 IS CODE = 3 "" » » > COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< ESTIMATED PIPE DIAMETER(INCH) INCREASED TO 36.000 DEPTH OF FLOW IN 36.0 INCH PIPE I8 23.7 INCHES . PIPE -FLOW VELOCITY(FEET /SEC.) = 10.1 UPSTREAM NODE ELEVATION(FEET) = 1126.00 ..� DOWNSTREAM NODE ELEVATION(FEET) = 1120.00 FLOW LENGTH(FEET) = 600.00 MANNING'S N = .013 • ESTIMATED PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES = 1 PIPE- FLOW(CFS) = 50.01 am TRAVEL TIME(MIN.) = .99 TC(MIN.) = 15.84 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 320.00 TO NODE 320.10 I8 CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « « < 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.046 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 8 -10 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .3880 gam SUBAREA AREA(ACRES) = 13.50 SUBAREA RUNOFF(CFS) = 32.30 'FECTIVE AREA(ACRES) = 33.50 rVERAGED Fm(INCH /HR) = .388 TOTAL AREA(ACRES) = 33.50 PEAK FLOW RATE(CFS) = 80.15 TC(MIN) = 15.84 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 320.10 TO NODE 321.10 IS CODE = 3 IMP » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< >» »USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< '"" DEPTH OF FLOW IN 39.0 INCH PIPE IS 30.9 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 11.4 -6 UPSTREAM NODE ELEVATION(FEET) = 1120.00 DOWNSTREAM NODE ELEVATION(FEET) = 1111.00 Sme FLOW LENGTH(FEET) = 850.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 39.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 80.15 .,., TRAVEL TIME(MIN.) = 1.25 TC(MIN.) = 17.08 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** - FLOW PROCESS FROM NODE 321.00 TO NODE 321.10 IS CODE = 8 �- » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « « < 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.911 SOIL CLASSIFICATION IS "An • RESIDENTIAL -> 8 -10 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .3880 SUBAREA AREA(ACRES) = 30.00 SUBAREA RUNOFF(CFS) = 68.12 EFFECTIVE AREA(ACRES) = 63.50 AVERAGED Fm(INCH /HR) = .388 TOTAL AREA(ACRES) = 63.50 • PEAK FLOW RATE(CFS) = 144.19 TC(MIN) = 17.08 *,,****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 321.10 TO NODE 322.10 I8 CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< » » > USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< - DEPTH OF FLOW IN 48.0 INCH PIPE IS 34.0 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 15.1 UPSTREAM NODE ELEVATION(FEET) = 1111.00 • DOWNSTREAM NODE ELEVATION(FEET) = 1100.00 FLOW LENGTH(FEET) = 750.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 48.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 144.19 ,,. TRAVEL TIME(MIN.) = .83 TC(MIN.) = 17.91 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** • FLOW PROCESS FROM NODE 322.00 TO NODE 322.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.830 „ SOIL CLASSIFICATION I8 "An RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 • SUBAREA AREA(ACRES) = 28.00 SUBAREA RUNOFF(CFS) = 59.09 EFFECTIVE AREA(ACRES) = 91.50 AVERAGED Fm(INCH /HR) = .418 )TAL AREA(ACRES) = 91.50 • rEAR FLOW RATE(CFS). = 198.64 TC(MIN) = 17.91 • ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 322.10 TO NODE 400.04 I8 CODE = 3 » »> COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< -» »USING COMPUTER- ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< i)EPTH OF FLOW IN 54.0 INCH PIPE IS 39.8 - INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 15.8 • UPSTREAM NODE ELEVATION(FEET) = 1100.00 DOWNSTREAM NODE ELEVATION(FEET) = 1086.50 • FLOW LENGTH(FEET) = 1000.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 54.00 NUMBER OF PIPES = 1 PIPE- FLOW(CFS) = 198.64 TRAVEL TIME(MIN.) = 1.05 TC(MIN.) = 18.96 wr ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** .. FLOW PROCESS FROM NODE 323.00 TO NODE 400.04 I8 CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.734 SOIL CLASSIFICATION I8 "A" "" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = 35.00 SUBAREA RUNOFF(CFS) = 70.86 EFFECTIVE AREA(ACRES) = 126.50 AVERAGED Fm(INCH/HR) = .436 TOTAL AREA(ACRES) = 126.50 - PEAK FLOW RATE(CFS) = 261.64 TC(MIN) = 18.96 ... **•****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ,OW PROCESS FROM NODE 400.04 TO NODE 400.04 I8 CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< - » » >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES « «< • TOTAL NUMBER OF STREAMS = 2 CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: "" TIME OF CONCENTRATION(MIN.) = 18.96 RAINFALL INTENSITY(INCH /HR) = 2.73 AVERAGED Fm(INCH /HR) = .44 -, EFFECTIVE STREAM AREA(ACRES) = 126.50 TOTAL STREAM AREA(ACRES) = 126.50 •- PEAR FLOW RATE(CFS) AT CONFLUENCE = 261.64 •- RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. ** PEAK FLOW RATE TABLE ** Q(CFS) TC(MIN.) Fm(INCH /HR) Ae(ACRES) 1 1162.81 19.79 .351 487.27 Ad 2 1146.07 23.22 .345 535.15 3 1108.98 25.99 .344 562.23 4 1019.41 30.38 .350 585.40 .,, 5 1158.36 18.96 .352 472.12 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 1162.81 TC(MIN.) = 19.794 • rFFECTIVE AREA(ACRES) = 487.27 AVERAGED Fm(INCH /HR) = .35 )TAL AREA(ACRES) = 585.40 • ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 400.04 TO NODE 400.05 I8 CODE = 5 » »>COMPUTE TRAPEZOIDAL - CHANNEL FLOW « «< ,., » » > TRAVEL TIME THRU SUBAREA « «< mo - PSTREAM NODE ELEVATION(FEET) = 1082.00 )WNSTREAM NODE ELEVATION(FEET) = 1071.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1350.00 CHANNEL BASE(FEET) = 12.00 'Z" FACTOR = 1.670 mi " MANNING'S FACTOR = .015 MAXIMUM DEPTH(FEET) = 4.50 CHANNEL FLOW THRU SUBAREA(CFS) = 1162.81 • FLOW VELOCITY(FEET /SEC.) = 16.84 FLOW DEPTH(FEET) = 3.77 TRAVEL TIME(MIN.) = 1.34 TC(MIN.) = 21.13 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ar FLOW PROCESS FROM NODE 400.05 TO NODE 400.05 I8 CODE = 1 , » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< ++� TOTAL NUMBER OF STREAMS = 2 CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: • TIME OF CONCENTRATION(MIN.) = 21.13 RAINFALL INTENSITY(INCH /HR) = 2.56 err AVERAGED Fm(INCH /HR) = .35 EFFECTIVE STREAM AREA(ACRES) = 487.27 °" TOTAL STREAM AREA(ACRES) = 585.40 PEAK FLOW RATE(CFS) AT CONFLUENCE = 1162.81 am ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** „ FLOW PROCESS FROM NODE 329.00 TO NODE 400.05 I8 CODE = 2 - -» »RATIONAL METHOD INITIAL SUBAREA ANALYSIS « «< • uEVELOPMENT I8 SINGLE FAMILY RESIDENTIAL -> 5 -7 DWELLINGS /ACRE TC = R *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 - INITIAL SUBAREA FLOW - LENGTH(FEET) = 1850.00 UPSTREAM ELEVATION(FEET) = 1100.00 • DOWNSTREAM ELEVATION(FEET) = 1071.00 ELEVATION DIFFERENCE(FEET) = 29.00 TC(MIN.) = .389 *[( 1850.00 ** 3.00)/( 29.00)] ** .20 = 18.104 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.812 aklf SOIL CLASSIFICATION IS "An RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LO88 RATE, Fm(INCH /HR) = .4850 SUBAREA RUNOFF(CFS) = 75.38 ... TOTAL AREA(ACRES) = 36.00 PEAK FLOW RATE(CFS) = 75.38 - END OF STUDY SUMMARY: TOTAL AREA(ACRES) = 36.00 TC(MIN.) = 18.10 m" EFFECTIVE AREA(ACRES) = 36.00 AVERAGED Fm(INCH /HR)= .49 PEAK FLOW RATE(CFS) = 75.38 - * ** PEAK FLOW RATE TABLE * ** Q(CFS) Tc(MIN.) Fm(INCH /HR) Ae(ACRES) • 1 1158.36 20.30 .352 472.12 2 1162.81 21.13 .351 487.27 3 1146.07 24.56 .345 535.15 • 4 1108.98 27.34 .344 562.23 5 1019.41 31.77 .350 585.40 ++� rND OF RATIONAL METHOD ANALYSIS 4 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE (Reference: 1986 SAN BERNARDINO CO. HYDROLOGY CRITERION) A (c) Copyright 1983 -88 Advanced Engineering Software (aes) Ver. 5.2A Release Date: 7/08/88 Serial # 2929 Analysis prepared by: 4 HALL & FOREMAN, INC. A r ` * * * * * * * * * * * * * * * * * * * * * * * * ** DESCRIPTION OF STUDY * * * * * * * * * * * * * * * * * * * * * * * * ** 4 * S. FONTANA MASTER S.D. PLAN: LINE M -5 * Q 25 -YEAR, DESIGN Q * L. GATES, J.N. 4042 ******************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** r FILE NAME: SFONTM5.DAT • TIME /DATE OF STUDY: 13:31 1/20/1992 ! 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) = .950 100 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.400 MMPUTED RAINFALL INTENSITY DATA: STORM EVENT = 25.00 1 -HOUR INTENSITY(INCH /HOUR) = 1.1070 SLOPE OF INTENSITY DURATION CURVE = .6000 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 200.00 TO NODE 200.10 IS CODE = 2 » »> RATIONAL METHOD INITIAL SUBAREA ANALYSIS« «< DEVELOPMENT IS COMMERCIAL TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW - LENGTH(FEET) = 900.00 UPSTREAM ELEVATION(FEET) = 1250.00 DOWNSTREAM ELEVATION(FEET) = 1244.00 M1. ELEVATION DIFFERENCE(FEET) = 6.00 TC(MIN.) = .304 *[( 900.00 ** 3.00)/( 6.00)] ** .20 = 12.583 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.826 SOIL CLASSIFICATION IS "A" COMMERCIAL SUBAREA LOSS RATE, Fm(INCH /HR) = .0970 SUBAREA RUNOFF(CFS) = 15.96 TOTAL AREA(ACRES) = 6.50 PEAK FLOW RATE(CFS) = 15.96 Alf ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 200.10 TO NODE 201.10 IS CODE = 3 44 •» »COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA ««< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 30.0 INCH PIPE IS 21.2 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 4.3 UPSTREAM NODE ELEVATION(FEET) = 1244.00 DOWNSTREAM NODE ELEVATION(FEET) = 1243.00 FLOW LENGTH(FEET) = 450.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 30.00 NUMBER OF PIPES = 1 ... PIPE - FLOW(CFS) = 15.96 TRAVEL TIME(MIN.) = 1.74 TC(MIN.) = 14.32 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 201.00 TO NODE 201.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< se 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.615 SOIL CLASSIFICATION IS "A" COMMERCIAL SUBAREA LOSS RATE, Fm(INCH /HR) = .0970 SUBAREA AREA(ACRES) = 3.50 SUBAREA RUNOFF(CFS) = 7.93 EFFECTIVE AREA(ACRES) = 10.00 AVERAGED Fm(INCH /HR) = .097 TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 22.66 - TC(MIN) = 14.32 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** °*^ FLOW PROCESS FROM NODE 201.10 TO NODE 202.10 IS CODE = 3 » »>COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 24.0 INCH PIPE IS 16.2 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 10.1 ... UPSTREAM NODE ELEVATION(FEET) = 1243.00 DOWNSTREAM NODE ELEVATION(FEET) = 1238.00 FLOW LENGTH(FEET) = 300.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 24.00 NUMBER OF PIPES = 1 ... PIPE - FLOW(CFS) = 22.66 TRAVEL TIME(MIN.) = .50 TC(MIN.) = 14.82 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 202.00 TO NODE 202.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.562 4. SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 11+ DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .1940 SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 21.31 EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH /HR) = .146 a.. TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 43.49 TC(MIN) = 14.82 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ""O FLOW PROCESS FROM NODE 202.10 TO NODE 203.10 IS CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 30.0 INCH PIPE IS 21.7 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 11.4 S. UPSTREAM NODE ELEVATION(FEET) = 1238.00 DOWNSTREAM NODE ELEVATION(FEET) = 1231.00 „ FLOW LENGTH(FEET) = 450.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 30.00 NUMBER OF PIPES = 1 PIPE- FLOW(CFS) = 43.49 TRAVEL TIME(MIN.) = .66 TC(MIN.) = 15.48 .x******************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 203.00 TO NODE 203.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.496 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 11+ DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) _ .1940 SUBAREA AREA(ACRES) = 13.00 SUBAREA RUNOFF(CFS) = 26.93 EFFECTIVE AREA(ACRES) = 33.00 AVERAGED Fm(INCH /HR) = .165 TOTAL AREA(ACRES) = 33.00 PEAK FLOW RATE(CFS) = 69.24 TC(MIN) = 15.48 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 203.10 TO NODE 204.10 IS CODE = 3 ... » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA ««< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 42.0 INCH PIPE IS 33.7 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 8.4 UPSTREAM NODE ELEVATION(FEET) = 1231.00 DOWNSTREAM NODE ELEVATION(FEET) = 1224.00 FLOW LENGTH(FEET) = 1350.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 42.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 69.24 TRAVEL TIME(MIN.) = 2.69 TC(MIN.) = 18.17 ... ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 204.00 TO NODE 204.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.267 SOIL CLASSIFICATION IS "A" CONDOMINIUMS SUBAREA LOSS RATE, Fm(INCH/HR) = .3395 SUBAREA AREA(ACRES) = 32.00 SUBAREA RUNOFF(CFS) = 55.52 EFFECTIVE AREA(ACRES) = 65.00 AVERAGED Fm(INCH /HR) = .251 ,w. TOTAL AREA(ACRES) = 65.00 PEAK FLOW RATE(CFS) = 117.96 ..,. TC(MIN) = 18.17 aw ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** - FLOW PROCESS FROM NODE 204.10 TO NODE 205.10 IS CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA ««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< se DEPTH OF FLOW IN 57.0 INCH PIPE IS 45.7 INCHES 'IPE -FLOW VELOCITY(FEET /SEC.) = 7.8 ..,, UPSTREAM NODE ELEVATION(FEET) = 1224.00 DOWNSTREAM NODE ELEVATION(FEET) = 1220.00 m. FLOW LENGTH(FEET) = 1350.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 57.00 NUMBER OF PIPES = 1 mow PIPE - FLOW(CFS) = 117.96 TRAVEL TIME(MIN.) = 2.90 TC(MIN.) = 21.07 _ '•******************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 'LOW PROCESS FROM NODE 205.10 TO NODE 210.10 IS CODE = 3 » »>COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 45.0 INCH PIPE IS 31.6 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 14.2 m. UPSTREAM NODE ELEVATION(FEET) = 1220.00 DOWNSTREAM NODE ELEVATION(FEET) = 1191.00 FLOW LENGTH(FEET) = 2050.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 45.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 117.96 TRAVEL TIME(MIN.) = 2.40 TC(MIN.) = 23.47 mai ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** �• FLOW PROCESS FROM NODE 210.10 TO NODE 210.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE ««< TOTAL NUMBER OF STREAMS = 2 CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: ""` TIME OF CONCENTRATION(MIN.) = 23.47 RAINFALL INTENSITY(INCH /HR) = 1.94 AVERAGED Fm(INCH /HR) = .25 EFFECTIVE STREAM AREA(ACRES) = 65.00 TOTAL STREAM AREA(ACRES) = 65.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 117.96 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** •• FLOW PROCESS FROM NODE 206.00 TO NODE 206.10 IS CODE = 2 » » >RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< DEVELOPMENT IS CONDOMINIUMS TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW - LENGTH(FEET) = 950.00 UPSTREAM ELEVATION(FEET) = 1236.00 DOWNSTREAM ELEVATION(FEET) = 1225.00 ,. ELEVATION DIFFERENCE(FEET) = 11.00 TC(MIN.) = .360 *[( 950.00 ** 3.00)/( 11.00)] ** .20 = 13.635 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.693 SOIL CLASSIFICATION IS "A" awr CONDOMINIUMS SUBAREA LOSS RATE, Fm(INCH /HR) = .3395 SUBAREA RUNOFF(CFS) = 16.95 ..• TOTAL AREA(ACRES) = 8.00 PEAK FLOW RATE(CFS) = 16.95 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** °"" FLOW PROCESS FROM NODE 206.10 TO NODE 207.10 IS CODE = 3 mmo » »>COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA««< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 27.0 INCH PIPE IS 21.5 INCHES ?IPE -FLOW VELOCITY(FEET /SEC.) = 5.0 .,. UPSTREAM NODE ELEVATION(FEET) = 1225.00 DOWNSTREAM NODE ELEVATION(FEET) = 1223.00 M FLOW LENGTH(FEET) = 600.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 27.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 16.95 TRAVEL TIME(MIN.) = 2.00 TC(MIN.) = 15.64 .,******************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 'LOW PROCESS FROM NODE 207.00 TO NODE 207.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.481 SOIL CLASSIFICATION IS "A" CONDOMINIUMS SUBAREA LOSS RATE, Fm(INCH /HR) = .3395 SUBAREA AREA(ACRES) = 4.00 SUBAREA RUNOFF(CFS) = 7.71 EFFECTIVE AREA(ACRES) = 12.00 AVERAGED Fm(INCH/HR) = .340 TOTAL AREA(ACRES) = 12.00 PEAK FLOW RATE(CFS) = 23.12 TC(MIN) = 15.64 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 207.10 TO NODE 208.10 IS CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA««< » COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 24.0 INCH PIPE IS 17.4 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 9.5 UPSTREAM NODE ELEVATION(FEET) = 1223.00 DOWNSTREAM NODE ELEVATION(FEET) = 1218.00 FLOW LENGTH(FEET) = 350.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 24.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 23.12 'RAVEL TIME(MIN.) = .62 TC(MIN.) = 16.25 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 208.00 TO NODE 208.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.424 SOIL CLASSIFICATION IS "A" CONDOMINIUMS SUBAREA LOSS RATE, Fm(INCH /HR) = .3395 SUBAREA AREA(ACRES) = 11.00 SUBAREA RUNOFF(CFS) = 20.63 EFFECTIVE AREA(ACRES) = 23.00 AVERAGED Fm(INCH /HR) = .340 TOTAL AREA(ACRES) = 23.00 PEAK FLOW RATE(CFS) = 43.14 TC(MIN) = 16.25 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 208.10 TO NODE 209.10 IS CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< _ DEPTH OF FLOW IN 33.0 INCH PIPE IS 24.2 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 9.2 m ,, UPSTREAM NODE ELEVATION(FEET) = 1218.00 ) OWNSTREAM NODE ELEVATION(FEET) = 1214.00 FLOW LENGTH(FEET) = 450.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 33.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 43.14 TRAVEL TIME(MIN.) = .81 TC(MIN.) = 17.06 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 209.00 TO NODE 209.10 IS CODE = 8 •» »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.354 '■ SOIL CLASSIFICATION IS "A" CONDOMINIUMS SUBAREA LOSS RATE, Fm(INCH /HR) = .3395 SUBAREA AREA(ACRES) = 11.00 SUBAREA RUNOFF(CFS) = 19.94 EFFECTIVE AREA(ACRES) = 34.00 4 "' AVERAGED Fm(INCH /HR) = .340 TOTAL AREA(ACRES) = 34.00 PEAK FLOW RATE(CFS) = 61.64 TC(MIN) = 17.06 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** .,." FLOW PROCESS FROM NODE 209.10 TO NODE 210.10 IS CODE = 3 - » »> COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< Miff DEPTH OF FLOW IN 33.0 INCH PIPE IS 25.7 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 12.4 UPSTREAM NODE ELEVATION(FEET) = 1214.00 "'. DOWNSTREAM NODE ELEVATION(FEET) = 1191.00 FLOW LENGTH(FEET) = 1450.00 MANNING'S N = .013 - ESTIMATED PIPE DIAMETER(INCH) = 33.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 61.64 TRAVEL TIME(MIN.) = 1.94 TC(MIN.) = 19.01 �., 0 ******************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 210.00 TO NODE 210.10 IS CODE = 8 » »> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.206 SOIL CLASSIFICATION IS "A" CONDOMINIUMS SUBAREA LOSS RATE, Fm(INCH /HR) = .3395 SUBAREA AREA(ACRES) = 23.00 SUBAREA RUNOFF(CFS) = 38.64 EFFECTIVE AREA(ACRES) = 57.00 `"'"' AVERAGED Fm (INCH /HR) = .339 TOTAL AREA(ACRES) = 57.00 PEAK FLOW RATE(CFS) = 95.77 TC(MIN) = 19.01 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ..m FLOW PROCESS FROM NODE 210.10 TO NODE 210.10 IS CODE = 1 wie » »>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE ««< » »>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES « «< TOTAL NUMBER OF STREAMS = 2 CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MIN.) = 19.01 • RAINFALL INTENSITY(INCH /HR) = 2.21 AVERAGED Fm(INCH/HR) = .34 ., FFECTIVE STREAM AREA(ACRES) = 57.00 TOTAL STREAM AREA(ACRES) = 57.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 95.77 nrr RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. �,. ** PEAK FLOW RATE TABLE ** Q(CFS) Tc(MIN.) Fm(INCH /HR) Ae(ACRES) 1 200.28 23.47 .292 122.00 206.10 19.01 .297 109.64 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 206.10 Tc(MIN.) = 19.008 EFFECTIVE AREA(ACRES) = 109.64 AVERAGED Fm(INCH /HR) = .30 TOTAL AREA(ACRES) = 122.00 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 210.10 TO NODE 227.10 IS CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA« » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 54.0 INCH PIPE IS 41.8 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 15.6 - UPSTREAM NODE ELEVATION(FEET) = 1191.00 DOWNSTREAM NODE ELEVATION(FEET) = 1167.00 FLOW LENGTH(FEET) = 1850.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 54.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 206.10 TRAVEL TIME(MIN.) = 1.97 TC(MIN.) = 20.98 '.� ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 227.10 TO NODE 227.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE« «< TOTAL NUMBER OF STREAMS = 3 CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: •• TIME OF CONCENTRATION(MIN.) = 20.98 RAINFALL INTENSITY(INCH /HR) = 2.08 AVERAGED Fm(INCH/HR) = .30 EFFECTIVE STREAM AREA(ACRES) = 109.64 - TOTAL STREAM AREA(ACRES) = 122.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 206.10 - ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 211.00 TO NODE 211.10 IS CODE = 2 » » >RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< ser DEVELOPMENT IS CONDOMINIUMS TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 - INITIAL SUBAREA FLOW - LENGTH(FEET) = 900.00 UPSTREAM ELEVATION(FEET) = 1214.00 4111 DOWNSTREAM ELEVATION(FEET) = 1202.00 ELEVATION DIFFERENCE(FEET) = 12.00 "" TC(MIN.) = .360 *[( 900.00 ** 3.00)/( 12.00)] ** .20 = 12.972 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.775 SOIL CLASSIFICATION IS "A" CONDOMINIUMS SUBAREA LOSS RATE, Fm(INCH/HR) = .3395 SUBAREA RUNOFF(CFS) = 21.92 TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 21.92 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ow FLOW PROCESS FROM NODE 211.10 TO NODE 212.10 IS CODE = 3 » »>COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA««< » » > USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 24.0 INCH PIPE IS 15.2 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 10.4 JPSTREAM NODE ELEVATION(FEET) = 1202.00 ,.., DOWNSTREAM NODE ELEVATION(FEET) = 1190.00 FLOW LENGTH(FEET) = 650.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 24.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 21.92 TRAVEL TIME(MIN.) = 1.04 TC(MIN.) = 14.01 war ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 212.00 TO NODE 212.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.649 401" SOIL CLASSIFICATION IS "A" CONDOMINIUMS SUBAREA LOSS RATE, Fm(INCH/HR) = .3395 , ,. SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 20.79 EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH /HR) = .340 TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 41.58 TC(MIN) = 14.01 A- ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 212.10 TO NODE 213.10 IS CODE = 3 40 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « .» »USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 39.0 INCH PIPE IS 29.8 INCHES ,_. PIPE -FLOW VELOCITY(FEET /SEC.) = 6.1 UPSTREAM NODE ELEVATION(FEET) = 1190.00 - DOWNSTREAM NODE ELEVATION(FEET) = 1188.00 FLOW LENGTH(FEET) = 650.00 MANNING'S N = .013 - ESTIMATED PIPE DIAMETER(INCH) = 39.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 41.58 6 " TRAVEL TIME(MIN.) = 1.77 TC(MIN.) = 15.78 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 213.00 TO NODE 213.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.467 • SOIL CLASSIFICATION IS "A" CONDOMINIUMS SUBAREA LOSS RATE, Fm(INCH /HR) = .3395 • SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 38.29 EFFECTIVE AREA(ACRES) = 40.00 -� AVERAGED Fm(INCH/HR) = .340 TOTAL AREA(ACRES) = 40.00 4 " 0 PEAK FLOW RATE(CFS) = 76.58 TC(MIN) = 15.78 :****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 213.10 TO NODE 227.10 IS CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA««< » »> USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< Ion see DEPTH OF FLOW IN 36.0 INCH PIPE IS 27.9 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 13.0 UPSTREAM NODE ELEVATION(FEET) = 1188.00 DOWNSTREAM NODE ELEVATION(FEET) = 1167.00 'LOW LENGTH(FEET) = 1350.00 MANNING'S N = .013 ... ESTIMATED PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 76.58 S'■' TRAVEL TIME(MIN.) = 1.72 TC(MIN.) = 17.51 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 214.00 TO NODE 227.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.318 SOIL CLASSIFICATION IS "A" CONDOMINIUMS SUBAREA LOSS RATE, Fm(INCH /HR) = .3395 SUBAREA AREA(ACRES) = 22.00 SUBAREA RUNOFF(CFS) = 39.17 EFFECTIVE AREA(ACRES) = 62.00 AVERAGED Fm(INCH /HR) = .340 TOTAL AREA(ACRES) = 62.00 PEAK FLOW RATE(CFS) = 110.39 TC(MIN) = 17.51 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 227.10 TO NODE 227.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE ««< TOTAL NUMBER OF STREAMS = 3 : ONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MIN.) = 17.51 RAINFALL INTENSITY(INCH /HR) = 2.32 AVERAGED Fm(INCH /HR) = .34 EFFECTIVE STREAM AREA(ACRES) = 62.00 wm TOTAL STREAM AREA(ACRES) = 62.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 110.39 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 220.00 TO NODE 220.10 IS CODE = 2 » »>RATIONAL METHOD INITIAL SUBAREA ANALYSIS« «< DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 8 -10 DWELLINGS /ACRE TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW - LENGTH(FEET) = 900.00 UPSTREAM ELEVATION(FEET) = 1233.00 DOWNSTREAM ELEVATION(FEET) = 1220.00 ELEVATION DIFFERENCE(FEET) = 13.00 TC(MIN.) = .374 *[( 900.00 ** 3.00)/( 13.00)] ** .20 = 13.263 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.738 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 8 -10 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .3880 SUBAREA RUNOFF(CFS) = 21.15 TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 21.15 *r :****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 220.10 TO NODE 221.10 IS CODE = 6 rr » »>COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA««< aft UPSTREAM ELEVATION(FEET) = 1220.00 DOWNSTREAM ELEVATION(FEET) = 1210.00 STREET LENGTH(FEET) = 650.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 18.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK(FEET) = 10.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVEL TIME COMPUTED USING MEAN FLOW(CFS) = 21.15 STREET FLOW MODEL RESULTS: NOTE: STREET FLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREET FLOW 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 FLOW DEPTH(FEET) = .53 HALFSTREET FLOOD WIDTH(FEET) = 13.94 AVERAGE FLOW VELOCITY(FEET /SEC.) = 3.95 PRODUCT OF DEPTH &VELOCITY = 2.11 STREET FLOW TRAVEL TIME(MIN.) = 2.74 TC(MIN.) = 16.01 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.446 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 EFFECTIVE AREA(ACRES) = 10.00 AVERAGED Fm(INCH /HR) = .39 " TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 21.15 END OF SUBAREA STREET FLOW HYDRAULICS: DEPTH(FEET) = .53 HALFSTREET FLOOD WIDTH(FEET) = 13.94 FLOW VELOCITY(FEET /SEC.) = 3.95 DEPTH *VELOCITY = 2.11 :****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 221.00 TO NODE 221.10 IS CODE = 8 ,,. » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< *.w 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.446 SOIL CLASSIFICATION IS "A" -- RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 17.65 " EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH /HR) = .437 " TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 36.17 TC(MIN) = 16.01 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 221.10 TO NODE 222.10 IS CODE = 3 » »>COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA ««< » »> USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< ** DEPTH OF FLOW IN 30.0 INCH PIPE IS 21.1 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 9.8 UPSTREAM NODE ELEVATION(FEET) = 1210.00 DOWNSTREAM NODE ELEVATION(FEET) = 1195.00 " FLOW LENGTH(FEET) = 1300.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 30.00 NUMBER OF PIPES = 1 ?IPE- FLOW(CFS) = 36.17 TRAVEL TIME(MIN.) = 2.21 TC(MIN.) = 18.22 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 222.00 TO NODE 222.10 IS CODE = 8 4111 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< Am 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.263 ;OIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 32.01 EFFECTIVE AREA(ACRES) = 40.00 AVERAGED Fm(INCH /HR) = .461 ,., TOTAL AREA(ACRES) = 40.00 PEAK FLOW RATE(CFS) = 64.90 TC(MIN) = 18.22 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** " 111 FLOW PROCESS FROM NODE 222.10 TO NODE 223.10 IS CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 42.0 INCH PIPE IS 30.5 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 8.7 ,. UPSTREAM NODE ELEVATION(FEET) = 1195.00 DOWNSTREAM NODE ELEVATION(FEET) = 1191.00 - FLOW LENGTH(FEET) = 700.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 42.00 NUMBER OF PIPES = 1 • PIPE - FLOW(CFS) = 64.90 TRAVEL TIME(MIN.) = 1.34 TC(MIN.) = 19.56 4. ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 223.00 TO NODE 223.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.169 SOIL CLASSIFICATION IS "A" • RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 60.62 ._, EFFECTIVE AREA(ACRES) = 80.00 AVERAGED Fm(INCH/HR) = .473 TOTAL AREA(ACRES) = 80.00 PEAK FLOW RATE(CFS) = 122.11 - TC(MIN) = 19.56 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** '" FLOW PROCESS FROM NODE 223.10 TO NODE 224.10 IS CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA ««< »» >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< �., DEPTH OF FLOW IN 57.0 INCH PIPE IS 42.2 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 8.7 ,.. UPSTREAM NODE ELEVATION(FEET) = 1191.00 DOWNSTREAM NODE ELEVATION(FEET) = 1186.00 err FLOW LENGTH(FEET) = 1325.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 57.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 122.11 as TRAVEL TIME(MIN.) = 2.54 TC(MIN.) = 22.10 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ,, FLOW PROCESS FROM NODE 224.00 TO NODE 224.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.016 SOIL CLASSIFICATION IS "A" 40 CONDOMINIUMS SUBAREA LOSS RATE, Fm(INCH /HR) = .3395 SUBAREA AREA(ACRES) = 80.00 SUBAREA RUNOFF(CFS) = 120.67 EFFECTIVE AREA(ACRES) = 160.00 AVERAGED Fm(INCH /HR) = .406 TOTAL AREA(ACRES) = 160.00 PEAK FLOW RATE(CFS) = 231.74 TC(MIN) = 22.10 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 224.10 TO NODE 225.10 IS CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA« «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 72.0 INCH PIPE IS 54.5 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 10.1 ,,. UPSTREAM NODE ELEVATION(FEET) = 1186.00 DOWNSTREAM NODE ELEVATION(FEET) = 1181.00 AIM FLOW LENGTH(FEET) = 1350.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 72.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 231.74 TRAVEL TIME(MIN.) = 2.23 TC(MIN.) = 24.33 ' ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 225.00 TO NODE 225.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.902 SOIL CLASSIFICATION IS "A" CONDOMINIUMS SUBAREA LOSS RATE, Fm(INCH /HR) = .3395 SUBAREA AREA(ACRES) = 80.00 SUBAREA RUNOFF(CFS) = 112.53 EFFECTIVE AREA(ACRES) = 240.00 AVERAGED Fm(INCH /HR) = .384 - TOTAL AREA(ACRES) = 240.00 PEAK FLOW RATE(CFS) = 328.00 TC(MIN) = 24.33 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 225.10 TO NODE 226.10 IS CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA ««< »» >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 81.0 INCH PIPE IS 61.1 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 11.3 Ali UPSTREAM NODE ELEVATION(FEET) = 1181.00 DOWNSTREAM NODE ELEVATION(FEET) = 1175.00 FLOW LENGTH(FEET) = 1500.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 81.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 328.00 TRAVEL TIME(MIN.) = 2.21 TC(MIN.) = 26.54 :****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 226.00 TO NODE 226.10 IS CODE = 8 VIM » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.806 SOIL CLASSIFICATION IS "A" CONDOMINIUMS SUBAREA LOSS RATE, Fm(INCH/HR) = .3395 SUBAREA AREA(ACRES) = 66.00 SUBAREA RUNOFF(CFS) = 87.11 a,r EFFECTIVE AREA(ACRES) = 306.00 AVERAGED Fm(INCH /HR) = .374 ... TOTAL AREA(ACRES) = 306.00 PEAK FLOW RATE(CFS) = 394.25 . TC(MIN) = 26.54 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 226.10 TO NODE 227.10 IS CODE = 3 » »> COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA« «< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 78.0 INCH PIPE IS 62.8 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 13.8 UPSTREAM NODE ELEVATION(FEET) = 1175.00 DOWNSTREAM NODE ELEVATION(FEET) = 1167.00 .... FLOW LENGTH(FEET) = 1300.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 78.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 394.25 TRAVEL TIME(MIN.) = 1.57 TC(MIN.) = 28.11 .,» ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 227.00 TO NODE 227.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.745 ;OIL CLASSIFICATION IS "A" .,,, CONDOMINIUMS SUBAREA LOSS RATE, Fm(INCH/HR) = .3395 SUBAREA AREA(ACRES) = 18.00 SUBAREA RUNOFF(CFS) = 22.76 - EFFECTIVE AREA(ACRES) = 324.00 AVERAGED Fm(INCH /HR) = .372 TOTAL AREA(ACRES) = 324.00 PEAK FLOW RATE(CFS) = 400.12 •� TC(MIN) = 28.11 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 227.10 TO NODE 227.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE« «< » »>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES« «< TOTAL NUMBER OF STREAMS = 3 CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: TIME OF CONCENTRATION(MIN.) = 28.11 RAINFALL INTENSITY(INCH /HR) = 1.74 Nr AVERAGED Fm(INCH /HR) = .37 EFFECTIVE STREAM AREA(ACRES) = 324.00 TOTAL STREAM AREA(ACRES) = 324.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 400.12 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 3 STREAMS. c* PEAK FLOW RATE TABLE ** Q(CFS) Tc(MIN.) Fm(INCH/HR) Ae(ACRES) 1 658.68 17.51 .347 355.28 2 674.67 20.98 .347 413.46 3 675.23 25.45 .348 477.32 4 665.00 28.11 .349 508.00 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 675.23 Tc(MIN.) = 25.451 rr EFFECTIVE AREA(ACRES) = 477.32 AVERAGED Fm(INCH /HR) = .35 TOTAL AREA(ACRES) = 508.00 �r ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 227.10 TO NODE 237.10 IS CODE = 3 » »> COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA« «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< "- DEPTH OF FLOW IN 84.0 INCH PIPE IS 65.1 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 21.1 UPSTREAM NODE ELEVATION(FEET) = 1167.00 DOWNSTREAM NODE ELEVATION(FEET) = 1142.00 FLOW LENGTH(FEET) = 1900.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 84.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 675.23 ,.. TRAVEL TIME(MIN.) = 1.50 TC(MIN.) = 26.95 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** .- FLOW PROCESS FROM NODE 237.10 TO NODE 237.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< "" TOTAL NUMBER OF STREAMS = 2 CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MIN.) = 26.95 RAINFALL INTENSITY(INCH /HR) = 1.79 AVERAGED Fm(INCH /HR) = .35 EFFECTIVE STREAM AREA(ACRES) = 477.32 TOTAL STREAM AREA(ACRES) = 508.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 675.23 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** .- FLOW PROCESS FROM NODE 230.00 TO NODE 230.10 IS CODE = 2 » » >RATIONAL METHOD INITIAL SUBAREA ANALYSIS ««< - DEVELOPMENT IS CONDOMINIUMS TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW - LENGTH(FEET) = 1000.00 UPSTREAM ELEVATION(FEET) = 1228.00 DOWNSTREAM ELEVATION(FEET) = 1221.00 ELEVATION DIFFERENCE(FEET) = 7.00 TC(MIN.) = .360 *[( 1000.00 ** 3.00)/( 7.00)] ** .20 = 15.392 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.504 SOIL CLASSIFICATION IS "A" �• CONDOMINIUMS SUBAREA LOSS RATE, Fm(INCH /HR) = .3395 SUBAREA RUNOFF(CFS) = 13.64 TOTAL AREA(ACRES) = 7.00 PEAK FLOW RATE(CFS) = 13.64 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** " FLOW PROCESS FROM NODE 230.10 TO NODE 231.10 IS CODE = 3 •» »COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA ««< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 27.0 INCH PIPE IS 20.1 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 4.3 UPSTREAM NODE ELEVATION(FEET) = 1221.00 DOWNSTREAM NODE ELEVATION(FEET) = 1220.00 FLOW LENGTH(FEET) = 400.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 27.00 NUMBER OF PIPES = 1 sal PIPE - FLOW(CFS) = 13.64 2RAVEL TIME(MIN.) = 1.55 TC(MIN.) = 16.94 «as ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 231.00 TO NODE 231.10 IS CODE = 8 �w » »> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.364 ' v.° SOIL CLASSIFICATION IS "A" as CONDOMINIUMS SUBAREA LOSS RATE, Fm(INCH /HR) = .3395 SUBAREA AREA(ACRES) = 2.00 SUBAREA RUNOFF(CFS) = 3.64 EFFECTIVE AREA(ACRES) = 9.00 AVERAGED Fm(INCH /HR) = .340 TOTAL AREA(ACRES) = 9.00 PEAK FLOW RATE(CFS) = 16.40 - TC(MIN) = 16.94 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** - FLOW PROCESS FROM NODE 231.10 TO NODE 232.10 IS CODE = 6 ` » » >COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA« «< UPSTREAM ELEVATION(FEET) = 1220.00 DOWNSTREAM ELEVATION(FEET) = 1214.00 STREET LENGTH(FEET) = 300.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 20.00 )ISTANCE FROM CROWN TO CROSSFALL GRADEBREAK(FEET) = 12.00 wow INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 oso * *TRAVEL TIME COMPUTED USING MEAN FLOW(CFS) = 16.40 �^ STREET FLOW MODEL RESULTS: STREET FLOW DEPTH(FEET) = .49 HALFSTREET FLOOD WIDTH(FEET) = 10.63 AVERAGE FLOW VELOCITY(FEET /SEC.) = 4.27 PRODUCT OF DEPTH &VELOCITY = 2.10 STREET FLOW TRAVEL TIME(MIN.) = 1.17 TC(MIN.) = 18.11 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.271 SOIL CLASSIFICATION IS "A" rr RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 EFFECTIVE AREA(ACRES) = 9.00 AVERAGED Fm(INCH /HR) = .34 TOTAL AREA(ACRES) = 9.00 PEAK FLOW RATE(CFS) = 16.40 END OF SUBAREA STREET FLOW HYDRAULICS: DEPTH(FEET) = .49 HALFSTREET FLOOD WIDTH(FEET) = 10.63 FLOW VELOCITY(FEET /SEC.) = 4.27 DEPTH *VELOCITY = 2.10 err ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** �" FLOW PROCESS FROM NODE 232.00 TO NODE 232.10 IS CODE = 8 >» »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.271 MN SOIL CLASSIFICATION IS "A" CONDOMINIUMS SUBAREA LOSS RATE, Fm(INCH/HR) = .3395 SUBAREA AREA(ACRES) = 9.00 SUBAREA RUNOFF(CFS) = 15.65 EFFECTIVE AREA(ACRES) = 18.00 AVERAGED Fm(INCH /HR) = .340 TOTAL AREA(ACRES) = 18.00 .r. PEAK FLOW RATE(CFS) = 31.29 'C(MIN) = 18.11 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 232.10 TO NODE 233.10 IS CODE = 6 » »> COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA««< UPSTREAM ELEVATION(FEET) = 1214.00 DOWNSTREAM ELEVATION(FEET) = 1208.00 STREET LENGTH(FEET) = 350.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 20.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK(FEET) = 12.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 �. OUTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVEL TIME COMPUTED USING MEAN FLOW(CFS) = 31.29 STREET FLOW MODEL RESULTS: STREET FLOW DEPTH(FEET) = .61 HALFSTREET FLOOD WIDTH(FEET) = 16.63 AVERAGE FLOW VELOCITY(FEET /SEC.) = 4.40 PRODUCT OF DEPTH &VELOCITY = 2.69 STREET FLOW TRAVEL TIME(MIN.) = 1.32 TC(MIN.) = 19.44 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.177 SOIL CLASSIFICATION IS "A" 2ESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 EFFECTIVE AREA(ACRES) = 18.00 AVERAGED Fm(INCH /HR) = .34 ... TOTAL AREA(ACRES) = 18.00 PEAK FLOW RATE(CFS) = 31.29 END OF SUBAREA STREET FLOW HYDRAULICS: aro DEPTH(FEET) = .61 HALFSTREET FLOOD WIDTH(FEET) = 16.63 FLOW VELOCITY(FEET /SEC.) = 4.40 DEPTH *VELOCITY = 2.69 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 233.00 TO NODE 233.10 IS CODE = 8 »»>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.177 SOIL CLASSIFICATION IS "A" err CONDOMINIUMS SUBAREA LOSS RATE, Fm(INCH /HR) = .3395 SUBAREA AREA(ACRES) = 9.00 SUBAREA RUNOFF(CFS) = 14.88 EFFECTIVE AREA(ACRES) = 27.00 AVERAGED Fm(INCH /HR) = .340 TOTAL AREA(ACRES) = 27.00 PEAK FLOW RATE(CFS) = 44.65 TC(MIN) = 19.44 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 233.10 TO NODE 234.10 IS CODE = 3 rr. .» »COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA« «< » »> USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< - DEPTH OF FLOW IN 36.0 INCH PIPE IS 24.3 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 8.8 aw. UPSTREAM NODE ELEVATION(FEET) = 1208.00 DOWNSTREAM NODE ELEVATION(FEET) = 1198.00 FLOW LENGTH(FEET) = 1350.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 44.65 'RAVEL TIME(MIN.) = 2.56 TC(MIN.) = 22.00 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 234.00 TO NODE 234.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.021 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 SUBAREA AREA(ACRES) = 28.00 SUBAREA RUNOFF(CFS) = 38.71 EFFECTIVE AREA(ACRES) = 55.00 AVERAGED Fm(INCH/HR) = .414 ,,. TOTAL AREA(ACRES) = 55.00 PEAK FLOW RATE(CFS) = 79.58 TC(MIN) = 22.00 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ^� FLOW PROCESS FROM NODE 234.10 TO NODE 235.10 IS CODE = 3 a' » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA« «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 39.0 INCH PIPE IS 28.2 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 12.4 UPSTREAM NODE ELEVATION(FEET) = 1198.00 ) OWNSTREAM NODE ELEVATION(FEET) = 1180.00 FLOW LENGTH(FEET) = 1400.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 39.00 NUMBER OF PIPES = 1 , PIPE - FLOW(CFS) = 79.58 TRAVEL TIME(MIN.) = 1.88 TC(MIN.) = 23.88 .b. .�. ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 235.00 TO NODE 235.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.924 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 51.81 EFFECTIVE AREA(ACRES) = 95.00 AVERAGED Fm(INCH /HR) = .444 , TOTAL AREA(ACRES) = 95.00 PEAK FLOW RATE(CFS) = 126.58 TC(MIN) = 23.88 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** all FLOW PROCESS FROM NODE 235.10 TO NODE 236.10 IS CODE = 3 a ' » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA«<« » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 45.0 INCH PIPE IS 33.8 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 14.2 MI UPSTREAM NODE ELEVATION(FEET) = 1180.00 DOWNSTREAM NODE ELEVATION(FEET) = 1162.00 FLOW LENGTH(FEET) = 1300.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 45.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 126.58 TRAVEL TIME(MIN.) = 1.52 TC(MIN.) = 25.40 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 236.00 TO NODE 236.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««« 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.854 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 49.29 EFFECTIVE AREA(ACRES) = 135.00 AVERAGED Fm(INCH /HR) = .456 TOTAL AREA(ACRES) = 135.00 PEAK FLOW RATE(CFS) = 169.88 TC(MIN) = 25.40 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 236.10 TO NODE 237.10 IS CODE = 3 -• » »> COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA««« » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) <««« DEPTH OF FLOW IN 48.0 INCH PIPE IS 39.2 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 15.5 UPSTREAM NODE ELEVATION(FEET) = 1162.00 DOWNSTREAM NODE ELEVATION(FEET) = 1142.00 FLOW LENGTH(FEET) = 1350.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 48.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 169.88 TRAVEL TIME(MIN.) = 1.46 TC(MIN.) = 26.86 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 237.00 TO NODE 237.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.793 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 8 -10 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = . 3880 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 25.29 EFFECTIVE AREA(ACRES) = 155.00 AVERAGED Fm(INCH/HR) = .447 TOTAL AREA(ACRES) = 155.00 PEAK FLOW RATE(CFS) = 187.76 TC(MIN) = 26.86 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 237.10 TO NODE 237.10 IS CODE = 1 A ' » »> DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««« » »>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES « «< TOTAL NUMBER OF STREAMS = 2 2ONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MIN.) = 26.86 RAINFALL INTENSITY(INCH /HR) = 1.79 an AVERAGED Fm(INCH /HR) = .45 EFFECTIVE STREAM AREA(ACRES) = 155.00 TOTAL STREAM AREA(ACRES) = 155.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 187.76 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. ** PEAK FLOW RATE TABLE ** Q(CFS) Tc(MIN.) Fm(INCH /HR) Ae(ACRES) 1 832.39 19.01 .371 465.01 2 855.42 22.48 .371 543.22 3 862.46 26.95 .372 632.32 4 838.51 29.62 .372 663.00 5 862.98 26.86 .372 630.97 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 862.98 Tc(MIN.) = 26.857 EFFECTIVE AREA(ACRES) = 630.97 AVERAGED Fm(INCH/HR) = .37 TOTAL AREA(ACRES) = 663.00 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 237.10 TO NODE 260.10 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL- CHANNEL FLOW««< » »> TRAVEL TIME THRU SUBAREA««< UPSTREAM NODE ELEVATION(FEET) = 1142.00 "" DOWNSTREAM NODE ELEVATION(FEET) = 1117.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1900.00 CHANNEL BASE(FEET) = 8.00 "Z" FACTOR = .000 MANNING'S FACTOR = .015 MAXIMUM DEPTH(FEET) = 8.00 CHANNEL FLOW THRU SUBAREA(CFS) = 862.98 FLOW VELOCITY(FEET /SEC.) = 19.82 FLOW DEPTH(FEET) = 5.44 TRAVEL TIME(MIN.) = 1.60 TC(MIN.) = 28.45 . ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 260.10 TO NODE 260.10 IS CODE = 1 » »>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE ««< TOTAL NUMBER OF STREAMS = 3 CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MIN.) = 28.45 - RAINFALL INTENSITY(INCH /HR) = 1.73 AVERAGED Fm(INCH /HR) _ .37 EFFECTIVE STREAM AREA(ACRES) = 630.97 TOTAL STREAM AREA(ACRES) = 663.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 862.98 .,A. ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 250.00 TO NODE 250.10 IS CODE = 2 » » >RATIONAL METHOD INITIAL SUBAREA ANALYSIS ««< DEVELOPMENT IS CONDOMINIUMS TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW - LENGTH(FEET) = 950.00 UPSTREAM ELEVATION(FEET) = 1193.00 al DOWNSTREAM ELEVATION(FEET) = 1183.00 ELEVATION DIFFERENCE(FEET) = 10.00 ,., TC(MIN.) = .360 *[( 950.00 ** 3.00)/( 10.00)] ** .20 = 13.898 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.662 SOIL CLASSIFICATION IS "A" CONDOMINIUMS SUBAREA LOSS RATE, Fm(INCH/HR) = .3395 SUBAREA RUNOFF(CFS) = 20.91 TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 20.91 • *-,.******************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 'LOW PROCESS FROM NODE 250.10 TO NODE 251.10 IS CODE = 3 » »>COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA««< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 24.0 INCH PIPE IS 16.3 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 9.2 UPSTREAM NODE ELEVATION(FEET) = 1183.00 DOWNSTREAM NODE ELEVATION(FEET) = 1176.00 FLOW LENGTH(FEET) = 500.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 24.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 20.91 TRAVEL TIME(MIN.) = .90 TC(MIN.) = 14.80 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 251.00 TO NODE 251.10 IS CODE = 8 • » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.564 SOIL CLASSIFICATION IS "A" 4410 COMMERCIAL SUBAREA LOSS RATE, Fm(INCH/HR) = .0970 SUBAREA AREA(ACRES) = 7.50 SUBAREA RUNOFF(CFS) = 16.65 EFFECTIVE AREA(ACRES) = 17.50 AVERAGED Fm(INCH /HR) = .236 TOTAL AREA(ACRES) = 17.50 PEAK FLOW RATE(CFS) = 36.67 'C(MIN) = 14.80 Atail ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 251.10 TO NODE 252.10 IS CODE = 3 » »>COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< ^^ » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< -" DEPTH OF FLOW IN 27.0 INCH PIPE IS 21.2 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 10.9 -" UPSTREAM NODE ELEVATION(FEET) = 1176.00 DOWNSTREAM NODE ELEVATION(FEET) = 1168.00 FLOW LENGTH(FEET) = 500.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 27.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 36.67 . TRAVEL TIME(MIN.) = .76 TC(MIN.) = 15.56 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** • FLOW PROCESS FROM NODE 252.00 TO NODE 252.10 IS CODE = 8 - » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.488 SOIL CLASSIFICATION IS "A" COMMERCIAL SUBAREA LOSS RATE, Fm(INCH/HR) = .0970 SUBAREA AREA(ACRES) = 7.50 SUBAREA RUNOFF(CFS) = 16.14 .FFECTIVE AREA(ACRES) = 25.00 AVERAGED Fm(INCH/HR) = .194 TOTAL AREA(ACRES) = 25.00 SW PEAK FLOW RATE(CFS) = 51.61 TC(MIN) = 15.56 alr ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 252.10 TO NODE 253.10 IS CODE = 3 •» »COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA««< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< or DEPTH OF FLOW IN 42.0 INCH PIPE IS 33.2 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 6.3 UPSTREAM NODE ELEVATION(FEET) = 1168.00 DOWNSTREAM NODE ELEVATION(FEET) = 1166.00 FLOW LENGTH(FEET) = 675.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 42.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 51.61 TRAVEL TIME(MIN.) = 1.78 TC(MIN.) = 17.34 oai "ft. ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 253.00 TO NODE 253.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.331 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 11+ DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .1940 SUBAREA AREA(ACRES) = 25.00 SUBAREA RUNOFF(CFS) = 48.09 EFFECTIVE AREA(ACRES) = 50.00 AVERAGED Fm(INCH /HR) = .194 TOTAL AREA(ACRES) = 50.00 PEAK FLOW RATE(CFS) = 96.17 TC(MIN) = 17.34 * x * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 253.10 TO NODE 254.10 IS CODE = 3 » »> COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA««< �.• » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< -» DEPTH OF FLOW IN 42.0 INCH PIPE IS 30.0 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 13.1 UPSTREAM NODE ELEVATION(FEET) = 1166.00 DOWNSTREAM NODE ELEVATION(FEET) = 1153.00 - FLOW LENGTH(FEET) = 1000.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 42.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 96.17 �. TRAVEL TIME(MIN.) = 1.28 TC(MIN.) = 18.62 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ,.. FLOW PROCESS FROM NODE 254.00 TO NODE 254.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.234 SOIL CLASSIFICATION IS "A" `"" CONDOMINIUMS SUBAREA LOSS RATE, Fm(INCH/HR) = .3395 SUBAREA AREA(ACRES) = 30.00 SUBAREA RUNOFF(CFS) = 51.15 " EFFECTIVE AREA(ACRES) = 80.00 AVERAGED Fm(INCH/HR) = .249 2OTAL AREA(ACRES) = 80.00 PEAK FLOW RATE(CFS) = 142.95 TC(MIN) = 18.62 aitY ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 254.10 TO NODE 255.10 IS CODE = 3 » »>COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< AI,. » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 60.0 INCH PIPE IS 45.6 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 8.9 UPSTREAM NODE ELEVATION(FEET) = 1153.00 DOWNSTREAM NODE ELEVATION(FEET) = 1148.00 - FLOW LENGTH(FEET) = 1350.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 60.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 142.95 TRAVEL TIME(MIN.) = 2.52 TC(MIN.) = 21.14 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 255.00 TO NODE 255.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.070 SOIL CLASSIFICATION IS "A" • RESIDENTIAL -> 8 -10 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .3880 SUBAREA AREA(ACRES) = 80.00 SUBAREA RUNOFF(CFS) = 121.12 • EFFECTIVE AREA(ACRES) = 160.00 AVERAGED Fm(INCH/HR) = .318 " TOTAL AREA(ACRES) = 160.00 PEAK FLOW RATE(CFS) = 252.28 TC(MIN) = 21.14 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 255.10 TO NODE 256.10 IS CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA ««< .,. » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 72.0 INCH PIPE IS 54.2 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 11.0 -- UPSTREAM NODE ELEVATION(FEET) = 1148.00 DOWNSTREAM NODE ELEVATION(FEET) = 1142.00 " FLOW LENGTH(FEET) = 1350.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 72.00 NUMBER OF PIPES = 1 "" PIPE - FLOW(CFS) = 252.28 TRAVEL TIME(MIN.) = 2.04 TC(MIN.) = 23.17 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 256.00 TO NODE 256.10 IS CODE = 8 ,., » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.959 SOIL CLASSIFICATION IS "A" • RESIDENTIAL -> 11+ DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .1940 SUBAREA AREA(ACRES) = 80.00 SUBAREA RUNOFF(CFS) = 127.08 "` EFFECTIVE AREA(ACRES) = 240.00 AVERAGED Fm(INCH/HR) = .277 "" TOTAL AREA(ACRES) = 240.00 PEAK FLOW RATE(CFS) = 363.34 £C(MIN) = 23.17 , ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 256.10 TO NODE 257.10 IS CODE = 3 » » > COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) «« < rr DEPTH OF FLOW IN 84.0 INCH PIPE IS 63.6 INCHES ?IPE -FLOW VELOCITY(FEET /SEC.) = 11.6 .., UPSTREAM NODE ELEVATION(FEET) = 1142.00 DOWNSTREAM NODE ELEVATION(FEET) = 1136.00 FLOW LENGTH(FEET) = 1500.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 84.00 NUMBER OF PIPES = 1 ^^* PIPE - FLOW(CFS) = 363.34 TRAVEL TIME(MIN.) = 2.15 TC(MIN.) = 25.33 - ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 257.00 TO NODE 257.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< a,. 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.857 SOIL CLASSIFICATION IS "A" .., RESIDENTIAL -> 8 -10 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .3880 SUBAREA AREA(ACRES) = 89.00 SUBAREA RUNOFF(CFS) = 117.69 At• EFFECTIVE AREA(ACRES) = 329.00 AVERAGED Fm(INCH/HR) = .307 °°" TOTAL AREA(ACRES) = 329.00 PEAK FLOW RATE(CFS) = 459.07 *I"P TC(MIN) = 25.33 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 257.10 TO NODE 258.10 IS CODE = 5 >» »COMPUTE TRAPEZOIDAL - CHANNEL FLOW« «< » » > TRAVEL TIME THRU SUBAREA««< • UPSTREAM NODE ELEVATION(FEET) = 1136.00 DOWNSTREAM NODE ELEVATION(FEET) = 1129.00 - CHANNEL LENGTH THRU SUBAREA(FEET) = 1350.00 CHANNEL BASE(FEET) = 7.00 "Z" FACTOR = .000 - MANNING'S FACTOR = .015 MAXIMUM DEPTH(FEET) = 8.00 CHANNEL FLOW THRU SUBAREA(CFS) = 459.07 "" FLOW VELOCITY(FEET /SEC.) = 11.85 FLOW DEPTH(FEET) = 5.54 TRAVEL TIME(MIN.) = 1.90 TC(MIN.) = 27.23 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 258.00 TO NODE 258.10 IS CODE = 8 44, » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< �,. 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.778 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 8 -10 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .3880 SUBAREA AREA(ACRES) = 80.00 SUBAREA RUNOFF(CFS) = 100.11 EFFECTIVE AREA(ACRES) = 409.00 AVERAGED Fm(INCH /HR) = .323 l '" TOTAL AREA(ACRES) = 409.00 PEAK FLOW RATE(CFS) = 535.84 TC(MIN) = 27.23 tir ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 258.10 TO NODE 259.10 IS CODE = 5 » »> COMPUTE TRAPEZOIDAL - CHANNEL FLOW ««< » »> TRAVEL TIME THRU SUBAREA««< UPSTREAM NODE ELEVATION(FEET) = 1129.00 DOWNSTREAM NODE ELEVATION(FEET) = 1123.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1350.00 ;HANNEL BASE(FEET) = 8.50 "Z" FACTOR = .000 MANNING'S FACTOR = .015 MAXIMUM DEPTH(FEET) = 8.00 CHANNEL FLOW THRU SUBAREA(CFS) = 535.84 FLOW VELOCITY(FEET /SEC.) = 11.76 FLOW DEPTH(FEET) = 5.36 TRAVEL TIME(MIN.) = 1.91 TC(MIN.) = 29.14 oaf ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 259.00 TO NODE 259.10 IS CODE = 8 W4 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.707 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 8 -10 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .3880 SUBAREA AREA(ACRES) = 60.00 SUBAREA RUNOFF(CFS) = 71.25 EFFECTIVE AREA(ACRES) = 469.00 AVERAGED Fm(INCH /HR) = .331 TOTAL AREA(ACRES) = 469.00 PEAK FLOW RATE(CFS) = 580.95 �^ TC(MIN) = 29.14 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 259.10 TO NODE 260.10 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL- CHANNEL FLOW««< » »> TRAVEL TIME THRU SUBAREA « «< �,. UPSTREAM NODE ELEVATION(FEET) = 1123.00 DOWNSTREAM NODE ELEVATION(FEET) = 1117.00 ... CHANNEL LENGTH THRU SUBAREA(FEET) = 1350.00 CHANNEL BASE(FEET) = 9.00 "Z" FACTOR = .000 MANNING'S FACTOR = .015 MAXIMUM DEPTH(FEET) = 8.00 CHANNEL FLOW THRU SUBAREA(CFS) = 580.95 - FLOW VELOCITY(FEET /SEC.) = 11.99 FLOW DEPTH(FEET) = 5.38 TRAVEL TIME(MIN.) = 1.88 TC(MIN.) = 31.02 °-' ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 260.10 TO NODE 260.10 IS CODE = 1 » »>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< TOTAL NUMBER OF STREAMS = 3 CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MIN.) = 31.02 RAINFALL INTENSITY(INCH /HR) = 1.64 AVERAGED Fm(INCH /HR) = .33 EFFECTIVE STREAM AREA(ACRES) = 469.00 - TOTAL STREAM AREA(ACRES) = 469.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 580.95 .." ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 238.00 TO NODE 238.10 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(FEET) = 900.00 UPSTREAM ELEVATION(FEET) = 1198.00 DOWNSTREAM ELEVATION(FEET) = 1177.00 ELEVATION DIFFERENCE(FEET) = 21.00 TC(MIN.) = .389 *[( 900.00 ** 3.00)/( 21.00)] ** .20 = 12.533 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.833 �. SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA RUNOFF(CFS) = 21.13 TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 21.13 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 238.10 TO NODE 239.10 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL - CHANNEL FLOW ««< » »> TRAVEL TIME THRU SUBAREA ««< UPSTREAM NODE ELEVATION(FEET) = 1177.00 arr DOWNSTREAM NODE ELEVATION(FEET) = 1174.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 700.00 CHANNEL BASE(FEET) = 40.00 "Z" FACTOR = 99.990 MANNING'S FACTOR = .030 MAXIMUM DEPTH(FEET) = .50 CHANNEL FLOW THRU SUBAREA(CFS) = 21.13 FLOW VELOCITY(FEET /SEC.) = 1.08 FLOW DEPTH(FEET) = .29 TRAVEL TIME(MIN.) = 10.84 TC(MIN.) = 23.37 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 239.00 TO NODE 239.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« « < 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.949 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 13.18 EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH/HR) = .485 TOTAL AREA(ACRES) = 20.00 - PEAK FLOW RATE(CFS) = 26.35 TC(MIN) = 23.37 - ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 239.10 TO NODE 240.10 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL - CHANNEL FLOW« «< » » > TRAVEL TIME THRU SUBAREA««< UPSTREAM NODE ELEVATION(FEET) = 1174.00 �.. DOWNSTREAM NODE ELEVATION(FEET) = 1173.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 700.00 CHANNEL BASE(FEET) = 40.00 "Z" FACTOR = 99.990 MANNING'S FACTOR = .030 MAXIMUM DEPTH(FEET) = .50 CHANNEL FLOW THRU SUBAREA(CFS) = 26.35 FLOW VELOCITY(FEET /SEC.) = .80 FLOW DEPTH(FEET) = .41 44 " TRAVEL TIME(MIN.) = 14.60 TC(MIN.) = 37.97 * y******************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 'LOW PROCESS FROM NODE 240.00 TO NODE 240.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.457 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 17.49 EFFECTIVE AREA(ACRES) = 40.00 ,,,,, AVERAGED Fm(INCH /HR) = .485 TOTAL AREA(ACRES) = 40.00 PEAK FLOW RATE(CFS) = 34.98 TC(MIN) = 37.97 �,. ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 240.10 TO NODE 241.10 IS CODE = 3 » » > COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA ««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 27.0 INCH PIPE IS 21.8 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 10.2 UPSTREAM NODE ELEVATION(FEET) = 1173.00 m ,, DOWNSTREAM NODE ELEVATION(FEET) = 1155.00 FLOW LENGTH(FEET) = 1300.00 MANNING'S N = .013 „.. ESTIMATED PIPE DIAMETER(INCH) = 27.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 34.98 TRAVEL TIME(MIN.) = 2.13 TC(MIN.) = 40.10 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ""' FLOW PROCESS FROM NODE 241.00 TO NODE 241.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.410 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = 42.00 SUBAREA RUNOFF(CFS) = 34.96 EFFECTIVE AREA(ACRES) = 82.00 _ AVERAGED Fm(INCH /HR) = .485 TOTAL AREA(ACRES) = 82.00 PEAK FLOW RATE(CFS) = 68.25 TC(MIN) = 40.10 �. ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 2ib.1O TO NODE 237.10 IS CODE = 3 » »> COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA ««< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 36.0 INCH PIPE IS 26.1 INCHES ",„ PIPE -FLOW VELOCITY(FEET /SEC.) = 12.4 UPSTREAM NODE ELEVATION(FEET) = 1155.00 DOWNSTREAM NODE ELEVATION(FEET) = 1117.00 FLOW LENGTH(FEET) = 2650.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 68.25 TRAVEL TIME(MIN.) = 3.56 TC(MIN.) = 43.66 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 260.10 TO NODE 260.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< » »>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< TOTAL NUMBER OF STREAMS = 3 CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: TIME OF CONCENTRATION(MIN.) = 43.66 RAINFALL INTENSITY(INCH /HR) = 1.34 AVERAGED Fm(INCH/HR) = .49 EFFECTIVE STREAM AREA(ACRES) = 82.00 TOTAL STREAM AREA(ACRES) = 82.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 68.25 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 3 STREAMS. ** PEAK FLOW RATE TABLE ** Q(CFS) Tc(MIN.) Fm(INCH /HR) Ae(ACRES) 1 1413.81 20.62 .361 815.60 2 1462.08 24.09 .361 952.68 3 1496.28 28.45 .362 1114.69 4 1496.29 28.55 .362 1117.67 5 1487.11 31.02 .361 1187.87 6 1482.42 31.22 .361 1190.64 7 1155.29 43.66 .364 1214.00 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 1496.29 Tc(MIN.) = 28.550 EFFECTIVE AREA(ACRES) = 1117.67 AVERAGED Fm(INCH /HR) = .36 TOTAL AREA(ACRES) = 1214.00 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 260.10 TO NODE 272.10 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL - CHANNEL FLOW««< » » > TRAVEL TIME THRU SUBAREA««< UPSTREAM NODE ELEVATION(FEET) = 1117.00 DOWNSTREAM NODE ELEVATION(FEET) = 1092.00 - CHANNEL LENGTH THRU SUBAREA(FEET) = 1900.00 CHANNEL BASE(FEET) = 12.00 "Z" FACTOR = .000 MANNING'S FACTOR = .015 MAXIMUM DEPTH(FEET) = 8.00 CHANNEL FLOW THRU SUBAREA(CFS) = 1496.29 FLOW VELOCITY(FEET /SEC.) = 22.87 FLOW DEPTH(FEET) = 5.45 TRAVEL TIME(MIN.) = 1.38 TC(MIN.) = 29.93 ..0 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 272.10 TO NODE 272.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< .., TOTAL NUMBER OF STREAMS = 2 CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: t. TIME OF CONCENTRATION(MIN.) = 29.93 RAINFALL INTENSITY(INCH /HR) = 1.68 w- AVERAGED Fm(INCH /HR) = .36 EFFECTIVE STREAM AREA(ACRES) = 1117.67 ""' TOTAL STREAM AREA(ACRES) = 1214.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 1496.29 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 265.00 TO NODE 265.10 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(FEET) = 800.00 UPSTREAM ELEVATION(FEET) = 1220.00 DOWNSTREAM ELEVATION(FEET) = 1210.00 ELEVATION DIFFERENCE(FEET) = 10.00 TC(MIN.) = .389 *[( 800.00 ** 3.00)/( 10.00)] ** .20 = 13.546 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.704 SOIL CLASSIFICATION IS "A" :ESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA RUNOFF(CFS) = 14.98 TOTAL AREA(ACRES) = 7.50 PEAK FLOW RATE(CFS) = 14.98 .. ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 265.10 TO NODE 266.10 IS CODE = 6 » » >COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA««< UPSTREAM ELEVATION(FEET) = 1210.00 DOWNSTREAM ELEVATION(FEET) = 1204.00 STREET LENGTH(FEET) = 700.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 18.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK(FEET) = 10.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVEL TIME COMPUTED USING MEAN FLOW(CFS) = 14.98 STREET FLOW MODEL RESULTS: NOTE: STREET FLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREET FLOW 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 FLOW DEPTH(FEET) = .52 HALFSTREET FLOOD WIDTH(FEET) = 13.31 AVERAGE FLOW VELOCITY(FEET /SEC.) = 2.99 PRODUCT OF DEPTH &VELOCITY = 1.56 STREET FLOW TRAVEL TIME(MIN.) = 3.91 TC(MIN.) = 17.45 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.322 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 - SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 EFFECTIVE AREA(ACRES) = 7.50 AVERAGED Fm(INCH /HR) = .49 "'"' TOTAL AREA(ACRES) = 7.50 PEAK FLOW RATE(CFS) = 14.98 END OF SUBAREA STREET FLOW HYDRAULICS: - DEPTH(FEET) = .52 HALFSTREET FLOOD WIDTH(FEET) = 13.31 FLOW VELOCITY(FEET /SEC.) = 2.99 DEPTH *VELOCITY = 1.56 �. ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 266.00 TO NODE 266.10 IS CODE = 8 �., » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.322 SOIL CLASSIFICATION IS "A" �. RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = 7.50 SUBAREA RUNOFF(CFS) = 12.40 *'' EFFECTIVE AREA(ACRES) = 15.00 AVERAGED Fm(INCH/HR) = .485 a "' TOTAL AREA(ACRES) = 15.00 PEAK FLOW RATE(CFS) = 24.80 Ago 2C(MIN) = 17.45 sot ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 266.10 TO NODE 267.10 IS CODE = 6 » »>COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA««< UPSTREAM ELEVATION(FEET) = 1204.00 DOWNSTREAM ELEVATION(FEET) = 1197.00 STREET LENGTH(FEET) = 300.00 CURB HEIGTH(INCHES) = 8. ;TREET HALFWIDTH(FEET) = 20.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK(FEET) = 12.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVEL TIME COMPUTED USING MEAN FLOW(CFS) = 24.80 STREET FLOW MODEL RESULTS: STREET FLOW DEPTH(FEET) = .54 HALFSTREET FLOOD WIDTH(FEET) = 12.87 AVERAGE FLOW VELOCITY(FEET /SEC.) = 5.07 PRODUCT OF DEPTH &VELOCITY = 2.72 STREET FLOW TRAVEL TIME(MIN.) = .99 TC(MIN.) = 18.44 �.. 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.247 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 °- EFFECTIVE AREA(ACRES) = 15.00 AVERAGED Fm(INCH/HR) = .49 TOTAL AREA(ACRES) = 15.00 PEAK FLOW RATE(CFS) = 24.80 t" END OF SUBAREA STREET FLOW HYDRAULICS: DEPTH(FEET) = .54 HALFSTREET FLOOD WIDTH(FEET) = 12.87 FLOW VELOCITY(FEET /SEC.) = 5.07 DEPTH *VELOCITY = 2.72 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 267.00 TO NODE 267.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.247 ow SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 SUBAREA AREA(ACRES) = 11.00 SUBAREA RUNOFF(CFS) = 17.44 EFFECTIVE AREA(ACRES) = 26.00 AVERAGED Fm(INCH /HR) = .485 TOTAL AREA(ACRES) = 26.00 "`" PEAK FLOW RATE(CFS) = 41.23 TC(MIN) = 18.44 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 267.10 TO NODE 268.10 IS CODE = 3 ... » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA ««< » »> USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 33.0 INCH PIPE IS 26.5 INCHES �- PIPE -FLOW VELOCITY(FEET /SEC.) = 8.1 UPSTREAM NODE ELEVATION(FEET) = 1197.00 ' DOWNSTREAM NODE ELEVATION(FEET) = 1188.00 FLOW LENGTH(FEET) = 1350.00 MANNING'S N = .013 4 " ESTIMATED PIPE DIAMETER(INCH) = 33.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 41.23 TRAVEL TIME(MIN.) = 2.79 TC(MIN.) = 21.23 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 268.00 TO NODE 268.10 IS CODE = 8 » »> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.065 SOIL CLASSIFICATION IS "A" IESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 - SUBAREA AREA(ACRES) = 25.00 SUBAREA RUNOFF(CFS) = 35.55 EFFECTIVE AREA(ACRES) = 51.00 AVERAGED Fm(INCH /HR) = .485 TOTAL AREA(ACRES) = 51.00 PEAK FLOW RATE(CFS) = 72.52 TC(MIN) = 21.23 - ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 268.10 TO NODE 269.10 IS CODE = 3 » »>COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA« «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 36.0 INCH PIPE IS 25.1 INCHES - PIPE -FLOW VELOCITY(FEET /SEC.) = 13.8 UPSTREAM NODE ELEVATION(FEET) = 1188.00 DOWNSTREAM NODE ELEVATION(FEET) = 1163.00 FLOW LENGTH(FEET) = 1400.00 MANNING'S N = .013 - ESTIMATED PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 72.52 `" TRAVEL TIME(MIN.) = 1.70 TC(MIN.) = 22.92 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 269.00 TO NODE 269.10 IS CODE = 8 >» »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.972 - SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 • SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 53.53 EFFECTIVE AREA(ACRES) = 91.00 - AVERAGED Fm(INCH /HR) = .485 TOTAL AREA(ACRES) = 91.00 • PEAK FLOW RATE(CFS) = 121.78 TC(MIN) = 22.92 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 269.10 TO NODE 270.10 IS CODE = 3 �.. » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 45.0 INCH PIPE IS 34.4 INCHES • PIPE -FLOW VELOCITY(FEET /SEC.) = 13.5 UPSTREAM NODE ELEVATION(FEET) = 1163.00 • DOWNSTREAM NODE ELEVATION(FEET) = 1147.00 FLOW LENGTH(FEET) = 1300.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 45.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 121.78 `' TRAVEL TIME(MIN.) = 1.61 TC(MIN.) = 24.53 * w******************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 270.00 TO NODE 270.10 IS CODE = 8 » »> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< ,wr 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.893 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 ENO SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 50.69 ]FFECTIVE AREA(ACRES) = 131.00 �. AVERAGED Fm(INCH /HR) = .485 TOTAL AREA(ACRES) = 131.00 '°'' PEAK FLOW RATE(CFS) = 166.03 TC(MIN) = 24.53 001 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 270.10 TO NODE 271.10 IS CODE = 3 » »> COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA ««< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 48.0 INCH PIPE IS 38.9 INCHES .0 PIPE -FLOW VELOCITY(FEET /SEC.) = 15.2 UPSTREAM NODE ELEVATION(FEET) = 1147.00 DOWNSTREAM NODE ELEVATION(FEET) = 1109.00 FLOW LENGTH(FEET) = 2650.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 48.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 166.03 TRAVEL TIME(MIN.) = 2.90 TC(MIN.) = 27.44 0. ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 271.00 TO NODE 271.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW«« 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.770 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) _ .4850 ... SUBAREA AREA(ACRES) = 80.00 SUBAREA RUNOFF(CFS) = 92.54 EFFECTIVE AREA(ACRES) = 211.00 - AVERAGED Fm(INCH /HR) = .485 TOTAL AREA(ACRES) = 211.00 PEAK FLOW RATE(CFS) = 244.08 TC(MIN) = 27.44 '. ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 271.10 TO NODE 272.10 IS CODE = 3 » »> COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA ««< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 57.0 INCH PIPE IS 45.8 INCHES .., PIPE -FLOW VELOCITY(FEET /SEC.) = 16.0 UPSTREAM NODE ELEVATION(FEET) = 1109.00 Mr DOWNSTREAM NODE ELEVATION(FEET) = 1092.00 FLOW LENGTH(FEET) = 1350.00 MANNING'S N = .013 Am' ESTIMATED PIPE DIAMETER(INCH) = 57.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 244.08 TRAVEL TIME(MIN.) = 1.41 TC(MIN.) = 28.84 y+******************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 272.10 TO NODE 272.10 IS CODE = 1 » »>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE ««< drr » »>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES« «< TOTAL NUMBER OF STREAMS = 2 Ado CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MIN.) = 28.84 RAINFALL INTENSITY(INCH /HR) = 1.72 rr AVERAGED Fm(INCH /HR) = .49 MFFECTIVE STREAM AREA(ACRES) = 211.00 TOTAL STREAM AREA(ACRES) = 211.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 244.08 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. 00' ** PEAK FLOW RATE TABLE ** Q(CFS) Tc(MIN.) Fm(INCH /HR) Ae(ACRES) 1 1645.81 22.03 .382 976.74 2 1700.89 25.48 .382 1139.06 3 1733.50 29.84 .381 1325.69 4 1732.88 29.93 .381 1328.67 5 1708.27 32.40 .380 1398.87 6 1702.35 32.61 .380 1401.64 7 1319.23 45.14 .382 1425.00 8 1732.55 28.84 .382 1288.72 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 1733.50 Tc(MIN.) = 29.839 ° EFFECTIVE AREA(ACRES) = 1325.69 AVERAGED Fm(INCH /HR) = .38 TOTAL AREA(ACRES) = 1425.00 ^". ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 272.10 TO NODE 272.15 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL - CHANNEL FLOW « «< •» »TRAVEL TIME THRU SUBAREA« « < UPSTREAM NODE ELEVATION(FEET) = 1078.00 - DOWNSTREAM NODE ELEVATION(FEET) = 1049.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 900.00 • CHANNEL BASE(FEET) = 16.00 "Z" FACTOR = .000 MANNING'S FACTOR = .015 MAXIMUM DEPTH(FEET) = 8.00 °- CHANNEL FLOW THRU SUBAREA(CFS) = 1733.50 FLOW VELOCITY(FEET /SEC.) = 31.80 FLOW DEPTH(FEET) = 3.41 w TRAVEL TIME(MIN.) = .47 TC(MIN.) = 30.31 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 272.15 TO NODE 284.10 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL - CHANNEL FLOW« «< » »> TRAVEL TIME THRU SUBAREA« «< • UPSTREAM NODE ELEVATION(FEET) = 1049.00 DOWNSTREAM NODE ELEVATION(FEET) = 1044.50 *r CHANNEL LENGTH THRU SUBAREA(FEET) = 900.00 CHANNEL BASE(FEET) = 28.00 "Z" FACTOR = .000 - MANNING'S FACTOR = .015 MAXIMUM DEPTH(FEET) = 7.00 CHANNEL FLOW THRU SUBAREA(CFS) = 1733.50 4. FLOW VELOCITY(FEET /SEC.) = 15.10 FLOW DEPTH(FEET) = 4.10 TRAVEL TIME(MIN.) = .99 TC(MIN.) = 31.30 :****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 284.10 TO NODE 284.10 IS CODE = 1 xrr » »>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< TOTAL NUMBER OF STREAMS = 2 CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MIN.) = 31.30 RAINFALL INTENSITY(INCH/HR) = 1.64 ww AVERAGED Fm(INCH /HR) = .38 ;FFECTIVE STREAM AREA(ACRES) = 1325.69 • TOTAL STREAM AREA(ACRES) = 1425.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 1733.50 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 275.00 TO NODE 275.10 IS CODE = 2 » » >RATIONAL METHOD INITIAL SUBAREA ANALYSIS ««< DEVELOPMENT IS COMMERCIAL TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW - LENGTH(FEET) = 800.00 UPSTREAM ELEVATION(FEET) = 1136.00 DOWNSTREAM ELEVATION(FEET) = 1125.00 ELEVATION DIFFERENCE(FEET) = 11.00 TC(MIN.) = .304 *[( 800.00 ** 3.00)/( 11.00)] ** .20 = 10.386 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.171 ma SOIL CLASSIFICATION IS "A" COMMERCIAL SUBAREA LOSS RATE, Fm(INCH /HR) = .0970 "" SUBAREA RUNOFF(CFS) = 19.36 TOTAL AREA(ACRES) = 7.00 PEAK FLOW RATE(CFS) = 19.36 • ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 275.10 TO NODE 276.10 IS CODE = 6 ,.. » » >COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA««< • UPSTREAM ELEVATION(FEET) = 1125.00 DOWNSTREAM ELEVATION(FEET) = 1115.00 STREET LENGTH(FEET) = 650.00 CURB HEIGTH(INCHES) = 6. - STREET HALFWIDTH(FEET) = 18.00 • DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK(FEET) = 10.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVEL TIME COMPUTED USING MEAN FLOW(CFS) = 19.36 STREET FLOW MODEL RESULTS: NOTE: STREET FLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREET FLOW 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 FLOW DEPTH(FEET) = .52 HALFSTREET FLOOD WIDTH(FEET) = 13.31 AVERAGE FLOW VELOCITY(FEET /SEC.) = 3.86 " PRODUCT OF DEPTH &VELOCITY = 2.02 STREET FLOW TRAVEL TIME(MIN.) = 2.81 TC(MIN.) = 13.19 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.747 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 a , EFFECTIVE AREA(ACRES) = 7.00 AVERAGED Fm(INCH /HR) = .10 2OTAL AREA(ACRES) = 7.00 PEAK FLOW RATE(CFS) = 19.36 - END OF SUBAREA STREET FLOW HYDRAULICS: DEPTH(FEET) = .52 HALFSTREET FLOOD WIDTH(FEET) = 13.31 FLOW VELOCITY(FEET /SEC.) = 3.86 DEPTH *VELOCITY = 2.02 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 276.00 TO NODE 276.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< � - 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.747 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 8 -10 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .3880 SUBAREA AREA(ACRES) = 7.00 SUBAREA RUNOFF(CFS) = 14.86 EFFECTIVE AREA(ACRES) = 14.00 AVERAGED Fm(INCH /HR) = .242 ' TOTAL AREA(ACRES) = 14.00 PEAK FLOW RATE(CFS) = 31.56 TC(MIN) = 13.19 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 276.10 TO NODE 277.10 IS CODE = 3 » »>COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< - » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< • DEPTH OF FLOW IN 39.0 INCH PIPE IS 27.2 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 5.1 - UPSTREAM NODE ELEVATION(FEET) = 1115.00 DOWNSTREAM NODE ELEVATION(FEET) = 1114.00 46 " FLOW LENGTH(FEET) = 450.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 39.00 NUMBER OF PIPES = 1 PIPE- FLOW(CFS) = 31.56 TRAVEL TIME(MIN.) = 1.47 TC(MIN.) = 14.66 :****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 277.00 TO NODE 277.10 IS CODE = 8 �. » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.579 SOIL CLASSIFICATION IS "A" - RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = 14.00 SUBAREA RUNOFF(CFS) = 26.38 `" EFFECTIVE AREA(ACRES) = 28.00 AVERAGED Fm(INCH /HR) = .364 TOTAL AREA(ACRES) = 28.00 PEAK FLOW RATE(CFS) = 55.82 TC(MIN) = 14.66 • ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 277.10 TO NODE 278.10 IS CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « « < » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< -'" DEPTH OF FLOW IN 36.0 INCH PIPE IS 29.2 INCHES PIPE - FLOW VELOCITY(FEET /SEC.) = 9.1 UPSTREAM NODE ELEVATION(FEET) = 1114.00 DOWNSTREAM NODE ELEVATION(FEET) = 1111.00 FLOW LENGTH(FEET) = 400.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES = 1 ?IPE- FLOW(CFS) = 55.82 �., TRAVEL TIME(MIN.) = .73 TC(MIN.) = 15.39 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 278.00 TO NODE 278.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.504 ;OIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = 12.00 SUBAREA RUNOFF(CFS) = 21.81 EFFECTIVE AREA(ACRES) = 40.00 AVERAGED Fm(INCH /HR) = .400 TOTAL AREA(ACRES) = 40.00 PEAK FLOW RATE(CFS) = 75.74 TC(MIN) = 15.39 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 278.10 TO NODE 279.10 IS CODE = 3 » »>COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA ««< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 39.0 INCH PIPE IS 26.9 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 12.4 UPSTREAM NODE ELEVATION(FEET) = 1111.00 DOWNSTREAM NODE ELEVATION(FEET) = 1094.00 FLOW LENGTH(FEET) = 1300.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 39.00 NUMBER OF PIPES = 1 4" PIPE - FLOW(CFS) = 75.74 TRAVEL TIME(MIN.) = 1.75 TC(MIN.) = 17.14 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 279.00 TO NODE 279.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< .,, 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.348 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 67.05 - EFFECTIVE AREA(ACRES) = 80.00 AVERAGED Fm(INCH/HR) = .443 TOTAL AREA(ACRES) = 80.00 PEAK FLOW RATE(CFS) = 137.16 TC(MIN) = 17.14 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 279.10 TO NODE 280.10 IS CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA ««< ,., » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< 41+ DEPTH OF FLOW IN 57.0 INCH PIPE IS 43.5 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 9.5 UPSTREAM NODE ELEVATION(FEET) = 1094.00 DOWNSTREAM NODE ELEVATION(FEET) = 1088.00 41 " FLOW LENGTH(FEET) = 1350.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 57.00 NUMBER OF PIPES = 1 ' PIPE- FLOW(CFS) = 137.16 TRAVEL TIME(MIN.) = 2.38 TC(MIN.) = 19.52 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** AN FLOW PROCESS FROM NODE 280.00 TO NODE 280.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.171 SOIL CLASSIFICATION IS "A" �., COMMERCIAL SUBAREA LOSS RATE, Fm(INCH/HR) = .0970 SUBAREA AREA(ACRES) = 80.00 SUBAREA RUNOFF(CFS) = 149.36 EFFECTIVE AREA(ACRES) = 160.00 AVERAGED Fm(INCH /HR) = .270 • TOTAL AREA(ACRES) = 160.00 PEAK FLOW RATE(CFS) = 273.84 •-• TC(MIN) = 19.52 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** - FLOW PROCESS FROM NODE 280.10 TO NODE 281.10 IS CODE = 3 dosi » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA««< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 72.0 INCH PIPE IS 58.7 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 11.1 UPSTREAM NODE ELEVATION(FEET) = 1088.00 DOWNSTREAM NODE ELEVATION(FEET) = 1082.00 - FLOW LENGTH(FEET) = 1350.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 72.00 NUMBER OF PIPES = 1 - PIPE - FLOW(CFS) = 273.84 TRAVEL TIME(MIN.) = 2.03 TC(MIN.) = 21.55 *�. ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 281.00 TO NODE 281.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.046 SOIL CLASSIFICATION IS "A" COMMERCIAL SUBAREA LOSS RATE, Fm(INCH /HR) = .0970 SUBAREA AREA(ACRES) = 80.00 SUBAREA RUNOFF(CFS) = 140.36 �.• EFFECTIVE AREA(ACRES) = 240.00 AVERAGED Fm(INCH/HR) = .212 - TOTAL AREA(ACRES) = 240.00 PEAK FLOW RATE(CFS) = 396.20 TC(MIN) = 21.55 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 281.10 TO NODE 281.15 IS CODE = 3 » »>COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< »» >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 81.0 INCH PIPE IS 63.0 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 13.3 •s• UPSTREAM NODE ELEVATION(FEET) = 1068.00 DOWNSTREAM NODE ELEVATION(FEET) = 1062.00 �• FLOW LENGTH(FEET) = 1100.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 81.00 NUMBER OF PIPES = 1 • PIPE - FLOW(CFS) = 396.20 TRAVEL TIME(MIN.) = 1.38 TC(MIN.) = 22.93 :****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 281.15 TO NODE 282.10 IS CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 51.0 INCH PIPE IS 37.6 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 35.3 UPSTREAM NODE ELEVATION(FEET) = 1062.00 v.r DOWNSTREAM NODE ELEVATION(FEET) = 1047.50 FLOW LENGTH(FEET) = 200.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 51.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 396.20 TRAVEL TIME(MIN.) = .09 TC(MIN.) = 23.02 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 282.00 TO NODE 282.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.967 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 row SUBAREA AREA(ACRES) = 61.00 SUBAREA RUNOFF(CFS) = 81.34 EFFECTIVE AREA(ACRES) = 301.00 AVERAGED Fm(INCH /HR) = .267 TOTAL AREA(ACRES) = 301.00 PEAK FLOW RATE(CFS) = 460.32 TC(MIN) = 23.02 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 282.10 TO NODE 284.10 IS CODE = 5 » »> COMPUTE TRAPEZOIDAL - CHANNEL FLOW « «< » »> TRAVEL TIME THRU SUBAREA ««< JPSTREAM NODE ELEVATION(FEET) = 1047.50 DOWNSTREAM NODE ELEVATION(FEET) = 1044.50 CHANNEL LENGTH THRU SUBAREA(FEET) = 1350.00 CHANNEL BASE(FEET) = 12.00 "Z" FACTOR = .000 MANNING'S FACTOR = .015 MAXIMUM DEPTH(FEET) = 7.00 �- CHANNEL FLOW THRU SUBAREA(CFS) = 460.32 FLOW VELOCITY(FEET /SEC.) = 8.69 FLOW DEPTH(FEET) = 4.41 TRAVEL TIME(MIN.) = 2.59 TC(MIN.) = 25.61 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 283.00 TO NODE 284.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.845 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 24.48 EFFECTIVE AREA(ACRES) = 321.00 m AVERAGED Fm(INCH /HR) = .281 TOTAL AREA(ACRES) = 321.00 m PEAK FLOW RATE(CFS) = 460.32 TC(MIN) = 25.61 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 284.10 TO NODE 284.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE ««< » » >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES ««< mit TOTAL NUMBER OF STREAMS = 2 CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MIN.) = 25.61 RAINFALL INTENSITY(INCH /HR) = 1.84 AVERAGED Fm(INCH /HR) = .28 wrr EFFECTIVE STREAM AREA(ACRES) = 321.00 2OTAL STREAM AREA(ACRES) = 321.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 460.32 • RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. ** PEAK FLOW RATE TABLE ** Q(CFS) Tc(MIN.) Fm(INCH /HR) Ae(ACRES) 1 2094.67 23.52 .358 1271.48 2 2144.83 26.95 .359 1460.06 3 2140.67 30.31 .362 1609.72 4 2132.22 31.30 .362 1646.69 5 2130.70 31.40 .362 1649.67 6 2084.76 33.87 .362 1719.87 7 2077.10 34.08 .362 1722.64 8 1615.00 46.75 .363 1746.00 9 2139.71 25.61 .358 1396.70 • COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 2144.83 Tc(MIN.) = 26.954 -- EFFECTIVE AREA(ACRES) = 1460.06 AVERAGED Fm(INCH/HR) = .36 TOTAL AREA(ACRES) = 1746.00 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 284.00 TO NODE 284.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.789 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = 60.00 SUBAREA RUNOFF(CFS) = 70.43 - EFFECTIVE AREA(ACRES) = 1520.06 AVERAGED Fm(INCH /HR) = .364 - TOTAL AREA(ACRES) = 1806.00 PEAK FLOW RATE(CFS) = 2144.83 TC(MIN) = 26.95 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 284.10 TO NODE 284.15 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL - CHANNEL FLOW « • » »> TRAVEL TIME THRU SUBAREA « «< UPSTREAM NODE ELEVATION(FEET) = 1044.50 DOWNSTREAM NODE ELEVATION(FEET) = 1037.00 +r CHANNEL LENGTH THRU SUBAREA(FEET) = 1500.00 CHANNEL BASE(FEET) = 28.00 "Z" FACTOR = .000 **� MANNING'S FACTOR = .015 MAXIMUM DEPTH(FEET) = 9.00 CHANNEL FLOW THRU SUBAREA(CFS) = 2144.83 ✓ FLOW VELOCITY(FEET /SEC.) = 16.23 FLOW DEPTH(FEET) = 4.72 TRAVEL TIME(MIN.) = 1.54 TC(MIN.) = 28.49 END OF STUDY SUMMARY: 'OTAL AREA(ACRES) = 1806.00 TC(MIN.) = 28.49 EFFECTIVE AREA(ACRES) = 1520.06 AVERAGED Fm(INCH /HR)= .36 PEAK FLOW RATE(CFS) = 2144.83 * ** PEAK FLOW RATE TABLE * ** Q(CFS) Tc(MIN.) Fm(INCH/HR) Ae(ACRES) M. 1 1 2094.67 25.07 .364 1331.48 2 2144.83 28.49 .364 1520.06 3 2140.67 31.85 .366 1669.72 4 2132.22 32.84 .366 1706.69 5 2130.70 32.94 .366 1709.67 2084.76 35.42 .366 1779.87 7 2077.10 35.64 .366 1782.64 8 1615.00 48.44 .367 1806.00 9 2139.71 27.15 .364 1456.70 END OF RATIONAL METHOD ANALYSIS mot WOM MW MW WM WM MW ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE (Reference: 1986 SAN BERNARDINO CO. HYDROLOGY CRITERION) (c) Copyright 1983 -88 Advanced Engineering Software (aes) Ver. 5.2A Release Date: 7/08/88 Serial # 2929 Analysis prepared by: HALL & FOREMAN, INC. * * * * * * * * * * * * * * * * * * * * * * * * ** DESCRIPTION OF STUDY * * * * * * * * * * * * * * * * * * * * * * * * ** * S. FONTANA MASTER S.D. PLAN: LINE M -5 * * Q 100 -YEAR, DESIGN Q * * L. GATES * ******************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FILE NAME: SFONTM5.DAT TIME /DATE OF STUDY: 12:56 1/20/1992 USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: - -- *TIME -OF- CONCENTRATION MODEL*-- " USER SPECIFIED STORM EVENT(YEAR) = 100.00 SPECIFIED MINIMUM PIPE SIZE(INCH) = 18.00 -" SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE _ .95 *USER- DEFINED LOGARITHMIC INTERPOLATION USED FOR RAINFALL* 10 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = .950 100 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.400 COMPUTED RAINFALL INTENSITY DATA: STORM EVENT = 100.00 1 -HOUR INTENSITY(INCH /HOUR) = 1.4000 SLOPE OF INTENSITY DURATION CURVE = .6000 < ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 200.00 TO NODE 200.10 IS CODE = 2 4 " ° » »> RATIONAL METHOD INITIAL SUBAREA ANALYSIS« «< — DEVELOPMENT IS COMMERCIAL TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW - LENGTH(FEET) = 900.00 UPSTREAM ELEVATION(FEET) = 1250.00 DOWNSTREAM ELEVATION(FEET) = 1244.00 ELEVATION DIFFERENCE(FEET) = 6.00 TC(MIN.) = .304 *[( 900.00 ** 3.00)/( 6.00)] ** .20 = 12.583 ,,. 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.574 SOIL CLASSIFICATION IS "A" COMMERCIAL SUBAREA LOSS RATE, Fm(INCH /HR) = .0970 SUBAREA RUNOFF(CFS) = 20.34 TOTAL AREA(ACRES) = 6.50 PEAK FLOW RATE(CFS) = 20.34 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** *". FLOW PROCESS FROM NODE 200.10 TO NODE 201.10 IS CODE = 3 •» »COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA««< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 33.0 INCH PIPE IS 23.1 INCHES PIPE - FLOW VELOCITY(FEET /SEC.) = 4.6 UPSTREAM NODE ELEVATION(FEET) = 1244.00 mw DOWNSTREAM NODE ELEVATION(FEET) = 1243.00 FLOW LENGTH(FEET) = 450.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 33.00 NUMBER OF PIPES = 1 mw PIPE- FLOW(CFS) = 20.34 TRAVEL TIME(MIN.) = 1.64 TC(MIN.) = 14.22 mw ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 201.00 TO NODE 201.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.321 SOIL CLASSIFICATION IS "A" COMMERCIAL SUBAREA LOSS RATE, Fm(INCH /HR) = .0970 SUBAREA AREA(ACRES) = 3.50 SUBAREA RUNOFF(CFS) = 10.16 EFFECTIVE AREA(ACRES) = 10.00 AVERAGED Fm(INCH /HR) = .097 .M/ TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 29.02 TC(MIN) = 14.22 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 201.10 TO NODE 202.10 IS CODE = 3 » »>COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA«<« » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 27.0 INCH PIPE IS 17.4 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 10.7 UPSTREAM NODE ELEVATION(FEET) = 1243.00 DOWNSTREAM NODE ELEVATION(FEET) = 1238.00 FLOW LENGTH(FEET) = 300.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 27.00 NUMBER OF PIPES = 1 .... PIPE - FLOW(CFS) = 29.02 TRAVEL TIME(MIN.) = .47 TC(MIN.) = 14.69 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 202.00 TO NODE 202.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.257 SOIL CLASSIFICATION IS "A" RESIDENTIAL - 11+ DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .1940 SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 27.57 .r EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH /HR) = .146 TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 56.02 TC(MIN) = 14.69 qmOR ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 202.10 TO NODE 203.10 IS CODE = 3 » »>COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA« «< »» >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 33.0 INCH PIPE IS 23.8 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 12.2 mw UPSTREAM NODE ELEVATION(FEET) = 1238.00 DOWNSTREAM NODE ELEVATION(FEET) = 1231.00 FLOW LENGTH(FEET) = 450.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 33.00 NUMBER OF PIPES = 1 PIPE- FLOW(CFS) = 56.02 TRAVEL TIME(MIN.) = .61 TC(MIN.) = 15.30 - ******************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 203.00 TO NODE 203.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.178 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 11+ DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .1940 SUBAREA AREA(ACRES) = 13.00 SUBAREA RUNOFF(CFS) = 34.92 EFFECTIVE AREA(ACRES) = 33.00 AVERAGED Fm(INCH/HR) = .165 TOTAL AREA(ACRES) = 33.00 PEAK FLOW RATE(CFS) = 89.51 TC(MIN) = 15.30 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 203.10 TO NODE 204.10 IS CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 48.0 INCH PIPE IS 35.2 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 9.1 UPSTREAM NODE ELEVATION(FEET) = 1231.00 DOWNSTREAM NODE ELEVATION(FEET) = 1224.00 FLOW LENGTH(FEET) = 1350.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 48.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 89.51 TRAVEL TIME(MIN.) = 2.48 TC(MIN.) = 17.78 .�. ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 204.00 TO NODE 204.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.904 SOIL CLASSIFICATION IS "A" CONDOMINIUMS SUBAREA LOSS RATE, Fm(INCH /HR) = .3395 SUBAREA AREA(ACRES) = 32.00 SUBAREA RUNOFF(CFS) = 73.86 EFFECTIVE AREA(ACRES) = 65.00 AVERAGED Fm(INCH /HR) = .251 TOTAL AREA(ACRES) = 65.00 PEAK FLOW RATE(CFS) = 155.22 •.� TC(MIN) = 17.78 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 204.10 TO NODE 205.10 IS CODE = 3 mr » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< tft DEPTH OF FLOW IN 63.0 INCH PIPE IS 50.9 INCHES 'IPE -FLOW VELOCITY(FEET /SEC.) = 8.3 ,,. JPSTREAM NODE ELEVATION(FEET) = 1224.00 DOWNSTREAM NODE ELEVATION(FEET) = 1220.00 .�. FLOW LENGTH(FEET) = 1350.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 63.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 155.22 AA TRAVEL TIME(MIN.) = 2.71 TC(MIN.) = 20.50 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 205.10 TO NODE 210.10 IS CODE = 3 a.. » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA««< ""' » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 48.0 INCH PIPE IS 36.7 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 15.1 `"�" UPSTREAM NODE ELEVATION(FEET) = 1220.00 DOWNSTREAM NODE ELEVATION(FEET) = 1191.00 FLOW LENGTH(FEET) = 2050.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 48.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 155.22 TRAVEL TIME(MIN.) = 2.27 TC(MIN.) = 22.77 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 210.10 TO NODE 210.10 IS CODE = 1 mmo » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE ««< TOTAL NUMBER OF STREAMS = 2 CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MIN.) = 22.77 RAINFALL INTENSITY(INCH /HR) = 2.50 AVERAGED Fm(INCH /HR) = .25 EFFECTIVE STREAM AREA(ACRES) = 65.00 TOTAL STREAM AREA(ACRES) = 65.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 155.22 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 206.00 TO NODE 206.10 IS CODE = 2 » » >RATIONAL METHOD INITIAL SUBAREA ANALYSIS ««< DEVELOPMENT IS CONDOMINIUMS TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW - LENGTH(FEET) = 950.00 UPSTREAM ELEVATION(FEET) = 1236.00 DOWNSTREAM ELEVATION(FEET) = 1225.00 ELEVATION DIFFERENCE(FEET) = 11.00 TC(MIN.) = .360 *[( 950.00 ** 3.00)/( 11.00)] ** .20 = 13.635 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.406 SOIL CLASSIFICATION IS "A" ,w CONDOMINIUMS SUBAREA LOSS RATE, Fm(INCH /HR) = .3395 SUBAREA RUNOFF(CFS) = 22.08 �,. TOTAL AREA(ACRES) = 8.00 PEAK FLOW RATE(CFS) = 22.08 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** "" FLOW PROCESS FROM NODE 206.10 TO NODE 207.10 IS CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 30.0 INCH PIPE IS 23.5 INCHES ,IPE -FLOW VELOCITY(FEET /SEC.) = 5.4 UPSTREAM NODE ELEVATION(FEET) = 1225.00 DOWNSTREAM NODE ELEVATION(FEET) = 1223.00 +w FLOW LENGTH(FEET) = 600.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 30.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 22.08 TRAVEL TIME(MIN.) = 1.87 TC(MIN.) = 15.50 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 207.00 TO NODE 207.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< +�r 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.153 •^ SOIL CLASSIFICATION IS "A" CONDOMINIUMS SUBAREA LOSS RATE, Fm(INCH /HR) = .3395 SUBAREA AREA(ACRES) = 4.00 SUBAREA RUNOFF(CFS) = 10.13 EFFECTIVE AREA(ACRES) = 12.00 AVERAGED Fm(INCH /HR) = .340 TOTAL AREA(ACRES) = 12.00 PEAK FLOW RATE(CFS) = 30.39 TC(MIN) = 15.50 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 207.10 TO NODE 208.10 IS CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA« «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 27.0 INCH PIPE IS 19.0 INCHES "I° PIPE -FLOW VELOCITY(FEET /SEC.) = 10.2 UPSTREAM NODE ELEVATION(FEET) = 1223.00 DOWNSTREAM NODE ELEVATION(FEET) = 1218.00 FLOW LENGTH(FEET) = 350.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 27.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 30.39 TRAVEL TIME(MIN.) = .57 TC(MIN.) = 16.08 �. ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 208.00 TO NODE 208.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.085 °" SOIL CLASSIFICATION IS "A" CONDOMINIUMS SUBAREA LOSS RATE, Fm(INCH/HR) = .3395 "" SUBAREA AREA(ACRES) = 11.00 SUBAREA RUNOFF(CFS) = 27.18 EFFECTIVE AREA(ACRES) = 23.00 AVERAGED Fm(INCH /HR) = .340 TOTAL AREA(ACRES) = 23.00 PEAK FLOW RATE(CFS) = 56.84 .", TC(MIN) = 16.08 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** .r FLOW PROCESS FROM NODE 208.10 TO NODE 209.10 IS CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA««< »» >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 36.0 INCH PIPE IS 27.4 INCHES A "" PIPE -FLOW VELOCITY(FEET /SEC.) = 9.8 UPSTREAM NODE ELEVATION(FEET) = 1218.00 ) OWNSTREAM NODE ELEVATION(FEET) = 1214.00 FLOW LENGTH(FEET) = 450.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES = 1 +•+ PIPE - FLOW(CFS) = 56.84 TRAVEL TIME(MIN.) = .76 TC(MIN.) = 16.84 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 209.00 TO NODE 209.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.001 SOIL CLASSIFICATION IS "A" CONDOMINIUMS SUBAREA LOSS RATE, Fm(INCH/HR) = .3395 SUBAREA AREA(ACRES) = 11.00 SUBAREA RUNOFF(CFS) = 26.35 EFFECTIVE AREA(ACRES) = 34.00 AVERAGED Fm(INCH /HR) = .340 TOTAL AREA(ACRES) = 34.00 PEAK FLOW RATE(CFS) = 81.44 TC(MIN) = 16.84 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 209.10 TO NODE 210.10 IS CODE = 3 » »> COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA ««< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 36.0 INCH PIPE IS 29.3 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 13.2 UPSTREAM NODE ELEVATION(FEET) = 1214.00 "" DOWNSTREAM NODE ELEVATION(FEET) = 1191.00 FLOW LENGTH(FEET) = 1450.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES = 1 PIPE- FLOW(CFS) = 81.44 TRAVEL TIME(MIN.) = 1.83 TC(MIN.) = 18.67 ,�. ....******************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 210.00 TO NODE 210.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.821 SOIL CLASSIFICATION IS "A" CONDOMINIUMS SUBAREA LOSS RATE, Fm(INCH /HR) = .3395 SUBAREA AREA(ACRES) = 23.00 SUBAREA RUNOFF(CFS) = 51.36 EFFECTIVE AREA(ACRES) = 57.00 AVERAGED Fm(INCH /HR) = .339 TOTAL AREA(ACRES) = 57.00 PEAK FLOW RATE(CFS) = 127.29 TC(MIN) = 18.67 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ,.. FLOW PROCESS FROM NODE 210.10 TO NODE 210.10 IS CODE = 1 » »>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< » »>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES ««< TOTAL NUMBER OF STREAMS = 2 CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MIN.) = 18.67 RAINFALL INTENSITY(INCH /HR) = 2.82 AVERAGED Fm(INCH/HR) = .34 ;FFECTIVE STREAM AREA(ACRES) = 57.00 TOTAL STREAM AREA(ACRES) = 57.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 127.29 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. ** PEAK FLOW RATE TABLE ** Q(CFS) Tc(MIN.) Fm(INCH /HR) Ae(ACRES) 1 266.26 22.77 .292 122.00 2 272.45 18.67 .297 110.30 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 272.45 Tc(MIN.) = 18.668 EFFECTIVE AREA(ACRES) = 110.30 AVERAGED Fm(INCH /HR) = .30 TOTAL AREA(ACRES) = 122.00 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 210.10 TO NODE 227.10 IS CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 60.0 INCH PIPE IS 46.3 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 16.7 .. UPSTREAM NODE ELEVATION(FEET) = 1191.00 DOWNSTREAM NODE ELEVATION(FEET) = 1167.00 FLOW LENGTH(FEET) = 1850.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 60.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 272.45 TRAVEL TIME(MIN.) = 1.84 TC(MIN.) = 20.51 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 227.10 TO NODE 227.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE« «< TOTAL NUMBER OF STREAMS = 3 CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MIN.) = 20.51 RAINFALL INTENSITY(INCH/HR) = 2.67 AVERAGED Fm(INCH/HR) = .30 EFFECTIVE STREAM AREA(ACRES) = 110.30 TOTAL STREAM AREA(ACRES) = 122.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 272.45 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 211.00 TO NODE 211.10 IS CODE = 2 » »>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< DEVELOPMENT IS CONDOMINIUMS TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW - LENGTH(FEET) = 900.00 UPSTREAM ELEVATION(FEET) = 1214.00 DOWNSTREAM ELEVATION(FEET) = 1202.00 ELEVATION DIFFERENCE(FEET) = 12.00 - TC(MIN.) = .360 *[( 900.00 ** 3.00)/( 12.00)] ** .20 = 12.972 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.509 SOIL CLASSIFICATION IS "A" CONDOMINIUMS SUBAREA LOSS RATE, Fm(INCH /HR) = .3395 SUBAREA RUNOFF(CFS) = 28.53 TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 28.53 - ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** Alm FLOW PROCESS FROM NODE 211.10 TO NODE 212.10 IS CODE = 3 at o » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA« «< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) «« < DEPTH OF FLOW IN 24.0 INCH PIPE IS 18.7 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 10.9 JPSTREAM NODE ELEVATION(FEET) = 1202.00 DOWNSTREAM NODE ELEVATION(FEET) = 1190.00 FLOW LENGTH(FEET) = 650.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 24.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 28.53 TRAVEL TIME(MIN.) = 1.00 TC(MIN.) = 13.97 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 212.00 TO NODE 212.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.357 .r... SOIL CLASSIFICATION IS "A" CONDOMINIUMS SUBAREA LOSS RATE, Fm(INCH/HR) = .3395 SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 27.15 EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH /HR) = .340 TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 54.31 TC(MIN) = 13.97 "�. ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 212.10 TO NODE 213.10 IS CODE = 3 » »>COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA« «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 42.0 INCH PIPE IS 34.4 INCHES �• PIPE -FLOW VELOCITY(FEET /SEC.) = 6.4 UPSTREAM NODE ELEVATION(FEET) = 1190.00 DOWNSTREAM NODE ELEVATION(FEET) = 1188.00 FLOW LENGTH(FEET) = 650.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 42.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 54.31 TRAVEL TIME(MIN.) = 1.68 TC(MIN.) = 15.65 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 213.00 TO NODE 213.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.135 �., SOIL CLASSIFICATION IS "A" CONDOMINIUMS SUBAREA LOSS RATE, Fm(INCH /HR) = .3395 "" SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 50.33 EFFECTIVE AREA(ACRES) = 40.00 '^ AVERAGED Fm(INCH /HR) = .340 TOTAL AREA(ACRES) = 40.00 PEAK FLOW RATE(CFS) = 100.65 TC(MIN) = 15.65 ara c****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 213.10 TO NODE 227.10 IS CODE = 3 mw » »>COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA««< »» >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 42.0 INCH PIPE IS 29.0 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 14.2 UPSTREAM NODE ELEVATION(FEET) = 1188.00 Avie DOWNSTREAM NODE ELEVATION(FEET) = 1167.00 FLOW LENGTH(FEET) = 1350.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 42.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 100.65 TRAVEL TIME(MIN.) = 1.59 TC(MIN.) = 17.24 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 214.00 TO NODE 227.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.959 SOIL CLASSIFICATION IS "A" CONDOMINIUMS SUBAREA LOSS RATE, Fm(INCH /HR) = .3395 SUBAREA AREA(ACRES) = 22.00 SUBAREA RUNOFF(CFS) = 51.87 EFFECTIVE AREA(ACRES) = 62.00 -� AVERAGED Fm(INCH /HR) = .340 TOTAL AREA(ACRES) = 62.00 46 ° PEAK FLOW RATE(CFS) = 146.17 TC(MIN) = 17.24 • ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 227.10 TO NODE 227.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< TOTAL NUMBER OF STREAMS = 3 2ONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: �• TIME OF CONCENTRATION(MIN.) = 17.24 RAINFALL INTENSITY(INCH /HR) = 2.96 -- AVERAGED Fm(INCH/HR) = .34 EFFECTIVE STREAM AREA(ACRES) = 62.00 TOTAL STREAM AREA(ACRES) = 62.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 146.17 • ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 220.00 TO NODE 220.10 IS CODE = 2 » » >RATIONAL METHOD INITIAL SUBAREA ANALYSIS « «< DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 8 -10 DWELLINGS /ACRE TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW - LENGTH(FEET) = 900.00 UPSTREAM ELEVATION(FEET) = 1233.00 DOWNSTREAM ELEVATION(FEET) = 1220.00 ELEVATION DIFFERENCE(FEET) = 13.00 TC(MIN.) = .374 *[( 900.00 ** 3.00)/( 13.00)] ** .20 = 13.263 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.463 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 8 -10 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .3880 SUBAREA RUNOFF(CFS) = 27.67 TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 27.67 c****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** �,. FLOW PROCESS FROM NODE 220.10 TO NODE 221.10 IS CODE = 6 • » »>COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA««< UPSTREAM ELEVATION(FEET) = 1220.00 DOWNSTREAM ELEVATION(FEET) = 1210.00 STREET LENGTH(FEET) = 650.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 18.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK(FEET) = 10.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVEL TIME COMPUTED USING MEAN FLOW(CFS) = 27.67 STREET FLOW MODEL RESULTS: NOTE: STREET FLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREET FLOW 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 FLOW DEPTH(FEET) = .57 HALFSTREET FLOOD WIDTH(FEET) = 15.81 AVERAGE FLOW VELOCITY(FEET /SEC.) = 4.28 .,� PRODUCT OF DEPTH &VELOCITY = 2.45 STREET FLOW TRAVEL TIME(MIN.) = 2.53 TC(MIN.) = 15.80 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.118 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 �- SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 EFFECTIVE AREA(ACRES) = 10.00 AVERAGED Fm(INCH /HR) = .39 TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 27.67 END OF SUBAREA STREET FLOW HYDRAULICS: DEPTH(FEET) = .57 HALFSTREET FLOOD WIDTH(FEET) = 15.81 FLOW VELOCITY(FEET /SEC.) = 4.28 DEPTH *VELOCITY = 2.45 k****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 221.00 TO NODE 221.10 IS CODE = 8 -. » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.118 SOIL CLASSIFICATION IS "A" °- RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 23.70 EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH /HR) = .437 TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 48.27 TC(MIN) = 15.80 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 221.10 TO NODE 222.10 IS CODE = 3 » »>COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA««< » »> USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 33.0 INCH PIPE IS 23.8 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 10.5 UPSTREAM NODE ELEVATION(FEET) = 1210.00 DOWNSTREAM NODE ELEVATION(FEET) = 1195.00 FLOW LENGTH(FEET) = 1300.00 MANNING'S N = .013 fir ESTIMATED PIPE DIAMETER(INCH) = 33.00 NUMBER OF PIPES = 1 ?IPE- FLOW(CFS) = 48.27 TRAVEL TIME(MIN.) = 2.06 TC(MIN.) = 17.86 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 222.00 TO NODE 222.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.897 30IL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 43.41 EFFECTIVE AREA(ACRES) = 40.00 AVERAGED Fm(INCH /HR) = .461 TOTAL AREA(ACRES) = 40.00 PEAK FLOW RATE(CFS) = 87.70 TC(MIN) = 17.86 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 222.10 TO NODE 223.10 IS CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA««< MOO » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW)< « « DEPTH OF FLOW IN 45.0 INCH PIPE IS 36.3 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 9.2 UPSTREAM NODE ELEVATION(FEET) = 1195.00 DOWNSTREAM NODE ELEVATION(FEET) = 1191.00 �^ FLOW LENGTH(FEET) = 700.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 45.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 87.70 TRAVEL TIME(MIN.) = 1.27 TC(MIN.) = 19.13 WAIF ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 223.00 TO NODE 223.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< ,., 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.780 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 82.62 �°- EFFECTIVE AREA(ACRES) = 80.00 AVERAGED Fm(INCH/HR) = .473 TOTAL AREA(ACRES) = 80.00 PEAK FLOW RAT E/CFS) = 166.10 TC (MIN) = /19.13 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 223.10 TO NODE 224.10 IS CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA ««< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 63.0 INCH PIPE IS 48.3 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 9.3 °- UPSTREAM NODE ELEVATION(FEET) = 1191.00 DOWNSTREAM NODE ELEVATION(FEET) = 1186.00 400 FLOW LENGTH(FEET) = 1325.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 63.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 166.10 TRAVEL TIME(MIN.) = 2.37 TC(MIN.) = 21.50 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** + FLOW PROCESS FROM NODE 224.00 TO NODE 224.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.592 SOIL CLASSIFICATION IS "A" CONDOMINIUMS SUBAREA LOSS RATE, Fm(INCH /HR) = .3395 SUBAREA AREA(ACRES) = 80.00 SUBAREA RUNOFF(CFS) = 162.17 Y... EFFECTIVE AREA(ACRES) = 160.00 AVERAGED Fm(INCH /HR) = .406 TOTAL AREA(ACRES) = 160.00 PEAK FLOW RATE(CFS) = 314.73 TC(MIN) = 21.50 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 224.10 TO NODE 225.10 IS CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « « < gyp. DEPTH OF FLOW IN 81.0 INCH PIPE IS 60.9 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 10.9 ... UPSTREAM NODE ELEVATION(FEET) = 1186.00 DOWNSTREAM NODE ELEVATION(FEET) = 1181.00 FLOW LENGTH(FEET) = 1350.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 81.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 314.73 TRAVEL TIME(MIN.) = 2.06 TC(MIN.) = 23.56 .^ ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 225.00 TO NODE 225.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « « < „�. 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.453 SOIL CLASSIFICATION IS "A" ... CONDOMINIUMS SUBAREA LOSS RATE, Fm(INCH /HR) = .3395 SUBAREA AREA(ACRES) = 80.00 SUBAREA RUNOFF(CFS) = 152.18 EFFECTIVE AREA(ACRES) = 240.00 AVERAGED Fm(INCH/HR) = .384 TOTAL AREA(ACRES) = 240.00 PEAK FLOW RATE(CFS) = 446.93 TC(MIN) = 23.56 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 225.10 TO NODE 226.10 IS CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< »» >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< �,. DEPTH OF FLOW IN 90.0 INCH PIPE IS 69.6 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 12.2 law UPSTREAM NODE ELEVATION(FEET) = 1181.00 DOWNSTREAM NODE ELEVATION(FEET) = 1175.00 -.. FLOW LENGTH(FEET) = 1500.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 90.00 NUMBER OF PIPES = 1 °y"' PIPE - FLOW(CFS) = 446.93 TRAVEL TIME(MIN.) = 2.05 TC(MIN.) = 25.61 Ail :****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 226.00 TO NODE 226.10 IS CODE = 8 .+ » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.333 SOIL CLASSIFICATION IS "A" CONDOMINIUMS SUBAREA LOSS RATE, Fm(INCH /HR) = .3395 SUBAREA AREA(ACRES) = 66.00 SUBAREA RUNOFF(CFS) = 118.43 EFFECTIVE AREA(ACRES) = 306.00 AVERAGED Fm(INCH /HR) = .374 TOTAL AREA(ACRES) = 306.00 PEAK FLOW RATE(CFS) = 539.47 TC(MIN) = 25.61 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 226.10 TO NODE 227.10 IS CODE = 3 » »> COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA« » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 90.0 INCH PIPE IS 67.9 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 15.1 UPSTREAM NODE ELEVATION(FEET) = 1175.00 DOWNSTREAM NODE ELEVATION(FEET) = 1167.00 ,.. FLOW LENGTH(FEET) = 1300.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 90.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 539.47 TRAVEL TIME(MIN.) = 1.44 TC(MIN.) = 27.05 • ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 227.00 TO NODE 227.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.258 30IL CLASSIFICATION IS "A" CONDOMINIUMS SUBAREA LOSS RATE, Fm(INCH /HR) = .3395 SUBAREA AREA(ACRES) = 18.00 SUBAREA RUNOFF(CFS) = 31.08 EFFECTIVE AREA(ACRES) = 324.00 AVERAGED Fm(INCH /HR) = .372 +4' TOTAL AREA(ACRES) = 324.00 PEAK FLOW RATE(CFS) = 549.84 TC(MIN) = 27.05 rr ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** """ FLOW PROCESS FROM NODE 227.10 TO NODE 227.10 IS CODE = 1 vAION » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< » »>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES« «< TOTAL NUMBER OF STREAMS = 3 CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: - TIME OF CONCENTRATION(MIN.) = 27.05 RAINFALL INTENSITY(INCH /HR) = 2.26 AVERAGED Fm(INCH /HR) = .37 EFFECTIVE STREAM AREA(ACRES) = 324.00 TOTAL STREAM AREA(ACRES) = 324.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 549.84 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO 14 " CONFLUENCE FORMULA USED FOR 3 STREAMS. or :* PEAK FLOW RATE TABLE ** Q(CFS) Tc(MIN.) Fm(INCH/HR) Ae(ACRES) 1 884.10 17.24 .347 361.16 . 2 909.36 20.51 .348 417.97 3 915.88 24.61 .348 478.82 4 906.44 27.05 .349 508.00 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 915.88 Tc(MIN.) = 24.613 EFFECTIVE AREA(ACRES) = 478.82 AVERAGED Fm(INCH /HR) = .35 TOTAL AREA(ACRES) = 508.00 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 227.10 TO NODE 237.10 IS CODE = 3 » »> COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA« » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 93.0 INCH PIPE IS 74.4 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 22.6 UPSTREAM NODE ELEVATION(FEET) = 1167.00 WR., DOWNSTREAM NODE ELEVATION(FEET) = 1142.00 FLOW LENGTH(FEET) = 1900.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 93.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 915.88 TRAVEL TIME(MIN.) = 1.40 TC(MIN.) = 26.01 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 237.10 TO NODE 237.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « TOTAL NUMBER OF STREAMS = 2 CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MIN.) = 26.01 RAINFALL INTENSITY(INCH /HR) = 2.31 \VERAGED Fm(INCH /HR) = .35 �•• EFFECTIVE STREAM AREA(ACRES) = 478.82 TOTAL STREAM AREA(ACRES) = 508.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 915.88 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 230.00 TO NODE 230.10 IS CODE = 2 » » >RATIONAL METHOD INITIAL SUBAREA ANALYSIS« «< DEVELOPMENT IS CONDOMINIUMS TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW - LENGTH(FEET) = 1000.00 .., UPSTREAM ELEVATION(FEET) = 1228.00 DOWNSTREAM ELEVATION(FEET) = 1221.00 ELEVATION DIFFERENCE(FEET) = 7.00 TC(MIN.) = .360 *[( 1000.00 ** 3.00)/( 7.00)] ** .20 = 15.392 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.167 SOIL CLASSIFICATION IS "A" `'IN CONDOMINIUMS SUBAREA LOSS RATE, Fm(INCH /HR) = .3395 SUBAREA RUNOFF(CFS) = 17.81 TOTAL AREA(ACRES) = 7.00 PEAK FLOW RATE(CFS) = 17.81 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 230.10 TO NODE 231.10 IS CODE = 3 >» »COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA« « < �,. » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< ow DEPTH OF FLOW IN 30.0 INCH PIPE IS 22.1 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 4.6 UPSTREAM NODE ELEVATION(FEET) = 1221.00 DOWNSTREAM NODE ELEVATION(FEET) = 1220.00 FLOW LENGTH(FEET) = 400.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 30.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 17.81 TRAVEL TIME(MIN.) = 1.45 TC(MIN.) = 16.84 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 231.00 TO NODE 231.10 IS CODE = 8 » »> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.001 SOIL CLASSIFICATION IS "A" CONDOMINIUMS SUBAREA LOSS RATE, Fm(INCH/HR) = .3395 SUBAREA AREA(ACRES) = 2.00 SUBAREA RUNOFF(CFS) = 4.79 EFFECTIVE AREA(ACRES) = 9.00 AVERAGED Fm(INCH/HR) = .340 TOTAL AREA(ACRES) = 9.00 PEAK FLOW RATE(CFS) = 21.56 -� TC(MIN) = 16.84 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 231.10 TO NODE 232.10 IS CODE = 6 » » >COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA««< UPSTREAM ELEVATION(FEET) = 1220.00 DOWNSTREAM ELEVATION(FEET) = 1214.00 STREET LENGTH(FEET) = 300.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 20.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK(FEET) = 12.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVEL TIME COMPUTED USING MEAN FLOW(CFS) = 21.56 STREET FLOW MODEL RESULTS: STREET FLOW DEPTH(FEET) = .54 HALFSTREET FLOOD WIDTH(FEET) = 12.87 AVERAGE FLOW VELOCITY(FEET /SEC.) = 4.40 PRODUCT OF DEPTH &VELOCITY = 2.36 STREET FLOW TRAVEL TIME(MIN.) = 1.14 TC(MIN.) = 17.98 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.885 SOIL CLASSIFICATION IS "A" ,W RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 EFFECTIVE AREA(ACRES) = 9.00 AVERAGED Fm(INCH /HR) = .34 TOTAL AREA(ACRES) = 9.00 PEAK FLOW RATE(CFS) = 21.56 END OF SUBAREA STREET FLOW HYDRAULICS: DEPTH(FEET) = .54 HALFSTREET FLOOD WIDTH(FEET) = 12.87 FLOW VELOCITY(FEET /SEC.) = 4.40 DEPTH *VELOCITY = 2.36 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 232.00 TO NODE 232.10 IS CODE = 8 .» »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.885 SOIL CLASSIFICATION IS "A" CONDOMINIUMS SUBAREA LOSS RATE, Fm(INCH /HR) = .3395 SUBAREA AREA(ACRES) = 9.00 SUBAREA RUNOFF(CFS) = 20.62 EFFECTIVE AREA(ACRES) = 18.00 AVERAGED Fm(INCH /HR) = .340 TOTAL AREA(ACRES) = 18.00 PEAK FLOW RATE(CFS) = 41.24 TC(MIN) = 17.98 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 232.10 TO NODE 233.10 IS CODE = 6 » »> COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA ««< UPSTREAM ELEVATION(FEET) = 1214.00 DOWNSTREAM ELEVATION(FEET) = 1208.00 STREET LENGTH(FEET) = 350.00 CURB HEIGTH(INCHES) = 8. ,, STREET HALFWIDTH(FEET) = 20.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK(FEET) = 12.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 �-. SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVEL TIME COMPUTED USING MEAN FLOW(CFS) = 41.24 STREET FLOW MODEL RESULTS: STREET FLOW DEPTH(FEET) = .66 HALFSTREET FLOOD WIDTH(FEET) = 18.87 "`°' AVERAGE FLOW VELOCITY(FEET /SEC.) = 4.74 PRODUCT OF DEPTH &VELOCITY = 3.11 STREET FLOW TRAVEL TIME(MIN.) = 1.23 TC(MIN.) = 19.21 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.773 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 EFFECTIVE AREA(ACRES) = 18.00 AVERAGED Fm(INCH /HR) = .34 - TOTAL AREA(ACRES) = 18.00 PEAK FLOW RATE(CFS) = 41.24 END OF SUBAREA STREET FLOW HYDRAULICS: DEPTH(FEET) = .66 HALFSTREET FLOOD WIDTH(FEET) = 18.87 FLOW VELOCITY(FEET /SEC.) = 4.74 DEPTH *VELOCITY = 3.11 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 233.00 TO NODE 233.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.773 SOIL CLASSIFICATION IS "A" CONDOMINIUMS SUBAREA LOSS RATE, Fm(INCH /HR) = .3395 SUBAREA AREA(ACRES) = 9.00 SUBAREA RUNOFF(CFS) = 19.71 ... EFFECTIVE AREA(ACRES) = 27.00 AVERAGED Fm(INCH /HR) = .340 40 TOTAL AREA(ACRES) = 27.00 PEAK FLOW RATE(CFS) = 59.13 TC(MIN) = 19.21 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 233.10 TO NODE 234.10 IS CODE = 3 >» »COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< » »> USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< ao DEPTH OF FLOW IN 39.0 INCH PIPE IS 27.7 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 9.4 UPSTREAM NODE ELEVATION(FEET) = 1208.00 DOWNSTREAM NODE ELEVATION(FEET) = 1198.00 FLOW LENGTH(FEET) = 1350.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 39.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 59.13 TRAVEL TIME(MIN.) = 2.40 TC(MIN.) = 21.61 4- ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 234.00 TO NODE 234.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< AW 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.584 SOIL CLASSIFICATION IS "A" 0. RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = 28.00 SUBAREA RUNOFF(CFS) = 52.89 EFFECTIVE AREA(ACRES) = 55.00 AVERAGED Fm(INCH /HR) = .414 TOTAL AREA(ACRES) = 55.00 PEAK FLOW RATE(CFS) = 107.43 - TC(MIN) = 21.61 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 234.10 TO NODE 235.10 IS CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 42.0 INCH PIPE IS 33.2 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 13.2 UPSTREAM NODE ELEVATION(FEET) = 1198.00 DOWNSTREAM NODE ELEVATION(FEET) = 1180.00 O FLOW LENGTH(FEET) = 1400.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 42.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 107.43 TRAVEL TIME(MIN.) = 1.77 TC(MIN.) = 23.38 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 235.00 TO NODE 235.10 IS CODE = 8 .e. » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.465 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) _ .4850 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 71.26 .. EFFECTIVE AREA(ACRES) = 95.00 AVERAGED Fm(INCH/HR) = .444 �,. TOTAL AREA(ACRES) = 95.00 PEAK FLOW RATE(CFS) = 172.79 TC(MIN) = 23.38 4- ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 235.10 TO NODE 236.10 IS CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA ««< ,, » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 51.0 INCH PIPE IS 37.6 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 15.4 • UPSTREAM NODE ELEVATION(FEET) = 1180.00 DOWNSTREAM NODE ELEVATION(FEET) = 1162.00 FLOW LENGTH(FEET) = 1300.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 51.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 172.79 TRAVEL TIME(MIN.) = 1.40 TC(MIN.) = 24.78 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 236.00 TO NODE 236.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.380 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 68.21 BAN EFFECTIVE AREA(ACRES) = 135.00 AVERAGED Fm(INCH /HR) = .456 TOTAL AREA(ACRES) = 135.00 PEAK FLOW RATE(CFS) = 233.75 TC(MIN) = 24.78 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** • FLOW PROCESS FROM NODE 236.10 TO NODE 237.10 IS CODE = 3 » »> COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 57.0 INCH PIPE IS 41.0 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 17.1 0. UPSTREAM NODE ELEVATION(FEET) = 1162.00 DOWNSTREAM NODE ELEVATION(FEET) = 1142.00 FLOW LENGTH(FEET) = 1350.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 57.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 233.75 TRAVEL TIME(MIN.) = 1.31 TC(MIN.) = 26.10 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 237.00 TO NODE 237.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.307 - SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 8 -10 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .3880 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 34.54 EFFECTIVE AREA(ACRES) = 155.00 AVERAGED Fm(INCH /HR) = .447 mi g TOTAL AREA(ACRES) = 155.00 PEAK FLOW RATE(CFS) = 259.47 • TC(MIN) = 26.10 Al ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** - FLOW PROCESS FROM NODE 237.10 TO NODE 237.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE« «< » » >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< TOTAL NUMBER OF STREAMS = 2 CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MIN.) = 26.10 RAINFALL INTENSITY(INCH /HR) = 2.31 • AVERAGED Fm(INCH /HR) = .45 EFFECTIVE STREAM AREA(ACRES) = 155.00 TOTAL STREAM AREA(ACRES) = 155.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 259.47 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. ** PEAK FLOW RATE TABLE ** Q(CFS) Tc(MIN.) Fm(INCH /HR) Ae(ACRES) 1 1120.86 18.64 .371 471.86 2 1157.09 21.91 .371 548.10 3 1175.14 26.01 .372 633.32 4 1149.66 28.45 .372 663.00 5 1175.03 26.10 .372 634.83 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: AM PEAK FLOW RATE(CFS) = 1175.14 Tc(MIN.) = 26.012 EFFECTIVE AREA(ACRES) = 633.32 AVERAGED Fm(INCH/HR) = .37 TOTAL AREA(ACRES) = 663.00 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 237.10 TO NODE 260.10 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL - CHANNEL FLOW ««< » » >TRAVEL TIME THRU SUBAREA« «< UPSTREAM NODE ELEVATION(FEET) = 1142.00 DOWNSTREAM NODE ELEVATION(FEET) = 1117.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1900.00 CHANNEL BASE(FEET) = 8.00 "Z" FACTOR = .000 MANNING'S FACTOR = .015 MAXIMUM DEPTH(FEET) = 8.00 CHANNEL FLOW THRU SUBAREA(CFS) = 1175.14 FLOW VELOCITY(FEET /SEC.) = 21.15 FLOW DEPTH(FEET) = 6.95 PRAVEL TIME(MIN.) = 1.50 TC(MIN.) = 27.51 ,.. ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 260.10 TO NODE 260.10 IS CODE = 1 » »>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< TOTAL NUMBER OF STREAMS = 3 CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MIN.) = 27.51 RAINFALL INTENSITY(INCH /HR) = 2.24 AVERAGED Fm(INCH /HR) = .37 EFFECTIVE STREAM AREA(ACRES) = 633.32 TOTAL STREAM AREA(ACRES) = 663.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 1175.14 ,., ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 250.00 TO NODE 250.10 IS CODE = 2 » » >RATIONAL METHOD INITIAL SUBAREA ANALYSIS « DEVELOPMENT IS CONDOMINIUMS TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW - LENGTH(FEET) = 950.00 UPSTREAM ELEVATION(FEET) = 1193.00 AN DOWNSTREAM ELEVATION(FEET) = 1183.00 .LEVATION DIFFERENCE(FEET) = 10.00 TC(MIN.) = .360 *[( 950.00 ** 3.00)/( 10.00)] ** .20 = 13.898 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.367 A. SOIL CLASSIFICATION IS "A" CONDOMINIUMS SUBAREA LOSS RATE, Fm(INCH /HR) = .3395 rt� SUBAREA RUNOFF(CFS) = 27.25 TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 27.25 �wr ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 250.10 TO NODE 251.10 IS CODE = 3 » »>COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA ««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 27.0 INCH PIPE IS 17.7 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 9.9 °`"' UPSTREAM NODE ELEVATION(FEET) = 1183.00 DOWNSTREAM NODE ELEVATION(FEET) = 1176.00 -"" FLOW LENGTH(FEET) = 500.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 27.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 27.25 TRAVEL TIME(MIN.) = .84 TC(MIN.) = 14.74 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 251.00 TO NODE 251.10 IS CODE = 8 +•+ » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.250 SOIL CLASSIFICATION IS "A" COMMERCIAL SUBAREA LOSS RATE, Fm(INCH /HR) = .0970 SUBAREA AREA(ACRES) = 7.50 SUBAREA RUNOFF(CFS) = 21.28 EFFECTIVE AREA(ACRES) = 17.50 AVERAGED Fm(INCH /HR) = .236 TOTAL AREA(ACRES) = 17.50 PEAK FLOW RATE(CFS) = 47.48 I'C (MIN) = 14.74 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 251.10 TO NODE 252.10 IS CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA« «< -� » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< - DEPTH OF FLOW IN 30.0 INCH PIPE IS 23.1 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 11.7 - UPSTREAM NODE ELEVATION(FEET) = 1176.00 DOWNSTREAM NODE ELEVATION(FEET) = 1168.00 FLOW LENGTH(FEET) = 500.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 30.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 47.48 TRAVEL TIME(MIN.) = .71 TC(MIN.) = 15.45 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 252.00 TO NODE 252.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.160 SOIL CLASSIFICATION IS "A" °' COMMERCIAL SUBAREA LOSS RATE, Fm(INCH /HR) = .0970 SUBAREA AREA(ACRES) = 7.50 SUBAREA RUNOFF(CFS) = 20.67 EFFECTIVE AREA(ACRES) = 25.00 AVERAGED Fm(INCH /HR) = .194 TOTAL AREA(ACRES) = 25.00 4.. PEAK FLOW RATE(CFS) = 66.73 TC(MIN) = 15.45 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 252.10 TO NODE 253.10 IS CODE = 3 » »>COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< «� DEPTH OF FLOW IN 48.0 INCH PIPE IS 34.8 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 6.8 �- UPSTREAM NODE ELEVATION(FEET) = 1168.00 DOWNSTREAM NODE ELEVATION(FEET) = 1166.00 FLOW LENGTH(FEET) = 675.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 48.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 66.73 TRAVEL TIME(MIN.) = 1.65 TC(MIN.) = 17.10 ale - ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 253.00 TO NODE 253.10 IS CODE = 8 M.. » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.974 SOIL CLASSIFICATION IS "A" ^- RESIDENTIAL -> 11+ DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .1940 SUBAREA AREA(ACRES) = 25.00 SUBAREA RUNOFF(CFS) = 62.54 •° EFFECTIVE AREA(ACRES) = 50.00 AVERAGED Fm(INCH /HR) = .194 TOTAL AREA(ACRES) = 50.00 PEAK FLOW RATE(CFS) = 125.08 TC(MIN) = 17.10 ...******************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 253.10 TO NODE 254.10 IS CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< - » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 45.0 INCH PIPE IS 34.4 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 13.8 UPSTREAM NODE ELEVATION(FEET) = 1166.00 DOWNSTREAM NODE ELEVATION(FEET) = 1153.00 FLOW LENGTH(FEET) = 1000.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 45.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 125.08 TRAVEL TIME(MIN.) = 1.21 TC(MIN.) = 18.30 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 254.00 TO NODE 254.10 IS CODE = 8 mg » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.854 SOIL CLASSIFICATION IS "A" 4 "" CONDOMINIUMS SUBAREA LOSS RATE, Fm(INCH /HR) = .3395 SUBAREA AREA(ACRES) = '"0.00 SUBAREA RUNOFF(CFS) = 67.90 EFFECTIVE AREA(ACRES) = 80.00 AVERAGED Fm(INCH /HR) = .249 TOTAL AREA(ACRES) = 80.00 PEAK FLOW RATE(CFS) = 187.62 TC(MIN) = 18.30 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 254.10 TO NODE 255.10 IS CODE = 3 » »>COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA««< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< �., DEPTH OF FLOW IN 66.0 INCH PIPE IS 50.9 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 9.5 UPSTREAM NODE ELEVATION(FEET) = 1153.00 DOWNSTREAM NODE ELEVATION(FEET) = 1148.00 FLOW LENGTH(FEET) = 1350.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 66.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 187.62 TRAVEL TIME(MIN.) = 2.36 TC(MIN.) = 20.66 'w' ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 255.00 TO NODE 255.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< mes 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.654 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 8 -10 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .3880 SUBAREA AREA(ACRES) = 80.00 SUBAREA RUNOFF(CFS) = 163.16 EFFECTIVE AREA(ACRES) = 160.00 AVERAGED Fm(INCH/HR) = .318 TOTAL AREA(ACRES) = 160.00 PEAK FLOW RATE(CFS) = 336.35 TC(MIN) = 20.66 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 255.10 TO NODE 256.10 IS CODE = 3 » »>COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA ««< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 78.0 INCH PIPE IS 63.1 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 11.7 UPSTREAM NODE ELEVATION(FEET) = 1148.00 DOWNSTREAM NODE ELEVATION(FEET) = 1142.00 ""` FLOW LENGTH(FEET) = 1350.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 78.00 NUMBER OF PIPES = 1 PIPE- FLOW(CFS) = 336.35 TRAVEL TIME(MIN.) = 1.92 TC(MIN.) = 22.59 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ;"„ FLOW PROCESS FROM NODE 256.00 TO NODE 256.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.516 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 11+ DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .1940 SUBAREA AREA(ACRES) = 80.00 SUBAREA RUNOFF(CFS) = 167.19 m ' EFFECTIVE AREA(ACRES) = 240.00 AVERAGED Fm(INCH /HR) = .277 °'" TOTAL AREA(ACRES) = 240.00 PEAK FLOW RATE(CFS) = 483.67 !'C (MIN) = 22.59 ,„„ ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 256.10 TO NODE 257.10 IS CODE = 3 w,. » »> COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA ««< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 93.0 INCH PIPE IS 71.4 INCHES ?IPE -FLOW VELOCITY(FEET /SEC.) = 12.4 UPSTREAM NODE ELEVATION(FEET) = 1142.00 DOWNSTREAM NODE ELEVATION(FEET) = 1136.00 FLOW LENGTH(FEET) = 1500.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 93.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 483.67 TRAVEL TIME(MIN.) = 2.01 TC(MIN.) = 24.59 ""1 **************************+ r**+ r*************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 257.00 TO NODE 257.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< ASV 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.391 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 8 -10 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .3880 SUBAREA AREA(ACRES) = 89.00 SUBAREA RUNOFF(CFS) = 160.42 EFFECTIVE AREA(ACRES) = 329.00 AVERAGED Fm(INCH /HR) = .307 TOTAL AREA(ACRES) = 329.00 PEAK FLOW RATE(CFS) = 617.01 TC(MIN) = 24.59 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** AIM FLOW PROCESS FROM NODE 257.10 TO NODE 258.10 IS CODE = 5 >» »COMPUTE TRAPEZOIDAL - CHANNEL FLOW««< �,. » »> TRAVEL TIME THRU SUBAREA« «< UPSTREAM NODE ELEVATION(FEET) = 1136.00 DOWNSTREAM NODE ELEVATION(FEET) = 1129.00 SOO CHANNEL LENGTH THRU SUBAREA(FEET) = 1350.00 CHANNEL BASE(FEET) = 7.00 "Z" FACTOR = .000 °- MANNING'S FACTOR = .015 MAXIMUM DEPTH(FEET) = 8.00 CHANNEL FLOW THRU SUBAREA(CFS) = 617.01 FLOW VELOCITY(FEET /SEC.) = 12.54 FLOW DEPTH(FEET) = 7.03 TRAVEL TIME(MIN.) = 1.79 TC(MIN.) = 26.39 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** - FLOW PROCESS FROM NODE 258.00 TO NODE 258.10 IS CODE = 8 AI. » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< -.. 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.292 SOIL CLASSIFICATION IS "A" 4011 RESIDENTIAL -> 8 -10 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .3880 SUBAREA AREA(ACRES) = 80.00 SUBAREA RUNOFF(CFS) = 137.07 EFFECTIVE AREA(ACRES) = 409.00 AVERAGED Fm(INCH /HR) = .323 TOTAL AREA(ACRES) = 409.00 PEAK FLOW RATE(CFS) = 724.79 TC(MIN) = 26.39 Am * X******************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 258.10 TO NODE 259.10 IS CODE = 5 » »> COMPUTE TRAPEZOIDAL- CHANNEL FLOW ««< » » > TRAVEL TIME THRU SUBAREA ««< UPSTREAM NODE ELEVATION(FEET) = 1129.00 DOWNSTREAM NODE ELEVATION(FEET) = 1123.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1350.00 MANNEL BASE(FEET) = 8.50 "Z" FACTOR = .000 «.. MANNING'S FACTOR = .015 MAXIMUM DEPTH(FEET) = 8.00 CHANNEL FLOW THRU SUBAREA(CFS) = 724.79 FLOW VELOCITY(FEET /SEC.) = 12.55 FLOW DEPTH(FEET) = 6.79 TRAVEL TIME(MIN.) = 1.79 TC(MIN.) = 28.18 • ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 259.00 TO NODE 259.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.203 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 8 -10 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .3880 SUBAREA AREA(ACRES) = 60.00 SUBAREA RUNOFF(CFS) = 98.02 EFFECTIVE AREA(ACRES) = 469.00 AVERAGED Fm(INCH/HR) = .331 TOTAL AREA(ACRES) = 469.00 PEAK FLOW RATE(CFS) = 790.19 TC(MIN) = 28.18 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 259.10 TO NODE 260.10 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL- CHANNEL FLOW« «< » »> TRAVEL TIME THRU SUBAREA««< UPSTREAM NODE ELEVATION(FEET) = 1123.00 DOWNSTREAM NODE ELEVATION(FEET) = 1117.00 ,,. CHANNEL LENGTH THRU SUBAREA(FEET) = 1350.00 CHANNEL BASE(FEET) = 9.00 "Z" FACTOR = .000 MANNING'S FACTOR = .015 MAXIMUM DEPTH(FEET) = 8.00 CHANNEL FLOW THRU SUBAREA(CFS) = 790.19 FLOW VELOCITY(FEET /SEC.) = 12.87 FLOW DEPTH(FEET) = 6.82 TRAVEL TIME(MIN.) = 1.75 TC(MIN.) = 29.93 • ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 260.10 TO NODE 260.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE ««< TOTAL NUMBER OF STREAMS = 3 CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MIN.) = 29.93 RAINFALL INTENSITY(INCH /HR) = 2.12 • AVERAGED Fm(INCH /HR) = .33 EFFECTIVE STREAM AREA(ACRES) = 469.00 - TOTAL STREAM AREA(ACRES) = 469.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 790.19 "is ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 238.00 TO NODE 238.10 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(FEET) = 900.00 UPSTREAM ELEVATION(FEET) = 1198.00 DOWNSTREAM ELEVATION(FEET) = 1177.00 ELEVATION DIFFERENCE(FEET) = 21.00 TC(MIN.) = .389 *[( 900.00 ** 3.00)/( 21.00)] ** .20 = 12.533 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.583 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA RUNOFF(CFS) = 27.88 TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 27.88 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 238.10 TO NODE 239.10 IS CODE = 5 » »>COMPUTE TRAPEZOIDAL - CHANNEL FLOW « «< » »> TRAVEL TIME THRU SUBAREA««< UPSTREAM NODE ELEVATION(FEET) = 1177.00 466 DOWNSTREAM NODE ELEVATION(FEET) = 1174.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 700.00 ,., CHANNEL BASE(FEET) = 40.00 "Z" FACTOR = 99.990 MANNING'S FACTOR = .030 MAXIMUM DEPTH(FEET) = .50 CHANNEL FLOW THRU SUBAREA(CFS) = 27.88 FLOW VELOCITY(FEET /SEC.) = 1.19 FLOW DEPTH(FEET) = .32 �- TRAVEL TIME(MIN.) = 9.83 TC(MIN.) = 22.36 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 239.00 TO NODE 239.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.531 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = 1000 SUBAREA RUNOFF(CFS) = 18.42 EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH /HR) = .485 TOTAL AREA(ACRES) = 20.00 »- PEAK FLOW RATE(CFS) = 36.83 TC(MIN) = 22.36 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 239.10 TO NODE 240.10 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL - CHANNEL FLOW « «< » »> TRAVEL TIME THRU SUBAREA « «< UPSTREAM NODE ELEVATION(FEET) = 1174.00 DOWNSTREAM NODE ELEVATION(FEET) = 1173.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 700.00 CHANNEL BASE(FEET) = 40.00 "Z" FACTOR = 99.990 MANNING'S FACTOR = .030 MAXIMUM DEPTH(FEET) = .50 CHANNEL FLOW THRU SUBAREA(CFS) = 36.83 FLOW VELOCITY(FEET /SEC.) = .88 FLOW DEPTH(FEET) = .48 TRAVEL TIME(MIN.) = 13.24 TC(MIN.) = 35.60 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 'LOW PROCESS FROM NODE 240.00 TO NODE 240.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.915 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 25.74 EFFECTIVE AREA(ACRES) = 40.00 AVERAGED Fm(INCH /HR) = .485 L'OTAL AREA(ACRES) = 40.00 PEAK FLOW RATE(CFS) = 51.47 TC(MIN) = 35.60 .... ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 240.10 TO NODE 241.10 IS CODE = 3 » »> COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA««< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 33.0 INCH PIPE IS 23.3 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 11.5 UPSTREAM NODE ELEVATION(FEET) = 1173.00 DOWNSTREAM NODE ELEVATION(FEET) = 1155.00 FLOW LENGTH(FEET) = 1300.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 33.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 51.47 TRAVEL TIME(MIN.) = 1.89 TC(MIN.) = 37.49 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 241.00 TO NODE 241.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.856 SOIL CLASSIFICATION IS "A" '2ESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 SUBAREA AREA(ACRES) = 42.00 SUBAREA RUNOFF(CFS) = 51.83 EFFECTIVE AREA(ACRES) = 82.00 AVERAGED Fm(INCH /HR) = .485 TOTAL AREA(ACRES) = 82.00 «►� PEAK FLOW RATE f CFS) = 101.20 TC(MIN) = 37.49; 2d/ i 2� ; , /v - ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 2.36-:1 TO NODE - 3B- 7: --±-O IS CODE = 3 » » > COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA« «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 42.0 INCH PIPE IS 30.1 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 13.7 UPSTREAM NODE ELEVATION(FEET) = 1155.00 DOWNSTREAM NODE ELEVATION(FEET) = 1117.00 FLOW LENGTH(FEET) = 2650.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 42.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 101.20 � - TRAVEL TIME(MIN.) = 3.22 TC(MIN.) = 40.71 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 260.10 TO NODE 260.10 IS CODE = 1 .» »DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< » » >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< TOTAL NUMBER OF STREAMS = 3 CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 3 ARE: TIME OF CONCENTRATION(MIN.) = 40.71 RAINFALL INTENSITY(INCH /HR) = 1.77 AVERAGED Fm(INCH /HR) = .49 EFFECTIVE STREAM AREA(ACRES) = 82.00 TOTAL STREAM AREA(ACRES) = 82.00 ?EAK FLOW RATE(CFS) AT CONFLUENCE = 101.20 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 3 STREAMS. ** PEAK FLOW RATE TABLE ** Q(CFS) Tc(MIN.) Fm(INCH /HR) Ae(ACRES) 1 1908.05 20.15 .361 828.22 2 1981.21 23.41 .361 962.07 3 2039.45 27.51 .362 1119.80 4 2040.10 27.59 .362 1122.80 5 2035.28 29.93 .362 1192.02 6 2034.64 29.95 .362 1192.33 7 1648.99 40.71 .364 1214.00 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 2040.10 Tc(MIN.) = 27.594 EFFECTIVE AREA(ACRES) = 1122.80 AVERAGED Fm(INCH /HR) = .36 TOTAL AREA(ACRES) = 1214.00 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 260.10 TO NODE 272.10 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL- CHANNEL FLOW ««< » »> TRAVEL TIME THRU SUBAREA « «< UPSTREAM NODE ELEVATION(FEET) = 1117.00 )OWNSTREAM NODE ELEVATION(FEET) = 1092.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1900.00 CHANNEL BASE(FEET) = 12.00 "Z" FACTOR = .000 - MANNING'S FACTOR = .015 MAXIMUM DEPTH(FEET) = 8.00 CHANNEL FLOW THRU SUBAREA(CFS) = 2040.10 FLOW VELOCITY(FEET /SEC.) = 24.72 FLOW DEPTH(FEET) = 6.88 TRAVEL TIME(MIN.) = 1.28 TC(MIN.) = 28.87 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 272.10 TO NODE 272.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE ««< TOTAL NUMBER OF STREAMS = 2 CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MIN.) = 28.87 RAINFALL INTENSITY(INCH /HR) = 2.17 m,. AVERAGED Fm(INCH /HR) = .36 EFFECTIVE STREAM AREA(ACRES) = 1122.80 *a TOTAL STREAM AREA(ACRES) = 1214.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 2040.10 4 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 265.00 TO NODE 265.10 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(FEET) = 800.00 UPSTREAM ELEVATION(FEET) = 1220.00 DOWNSTREAM ELEVATION(FEET) = 1210.00 ELEVATION DIFFERENCE(FEET) = 10.00 TC(MIN.) _ .389 *[( 800.00 ** 3.00)/( 10.00)] ** .20 = 13.546 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.419 a.,. SOIL CLASSIFICATION IS "A" 2ESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA RUNOFF(CFS) = 19.81 TOTAL AREA(ACRES) = 7.50 PEAK FLOW RATE(CFS) = 19.81 ,. ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 265.10 TO NODE 266.10 IS CODE = 6 » » >COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA ««< UPSTREAM ELEVATION(FEET) = 1210.00 DOWNSTREAM ELEVATION(FEET) = 1204.00 STREET LENGTH(FEET) = 700.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 18.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK(FEET) = 10.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 ... OUTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVEL TIME COMPUTED USING MEAN FLOW(CFS) = 19.81 STREET FLOW MODEL RESULTS: "'° NOTE: STREET FLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREET FLOW 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 FLOW DEPTH(FEET) = .57 HALFSTREET FLOOD WIDTH(FEET) = 15.81 AVERAGE FLOW VELOCITY(FEET /SEC.) = 3.06 PRODUCT OF DEPTH &VELOCITY = 1.75 STREET FLOW TRAVEL TIME(MIN.) = 3.81 TC(MIN.) = 17.36 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.947 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 ^-^ SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 EFFECTIVE AREA(ACRES) = 7.50 AVERAGED Fm(INCH /HR) = .49 TOTAL AREA(ACRES) = 7.50 PEAK FLOW RATE(CFS) = 19.81 END OF SUBAREA STREET FLOW HYDRAULICS: DEPTH(FEET) = .57 HALFSTREET FLOOD WIDTH(FEET) = 15.81 FLOW VELOCITY(FEET /SEC.) = 3.06 DEPTH *VELOCITY = 1.75 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** . FLOW PROCESS FROM NODE 266.00 TO NODE 266.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< mr 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.947 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = 7.50 SUBAREA RUNOFF(CFS) = 16.62 EFFECTIVE AREA(ACRES) = 15.00 AVERAGED Fm(INCH /HR) = .485 TOTAL AREA(ACRES) = 15.00 , PEAK FLOW RATE(CFS) = 33.23 2C(MIN) = 17.36 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 266.10 TO NODE 267.10 IS CODE = 6 » » >COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA««< UPSTREAM ELEVATION(FEET) = 1204.00 DOWNSTREAM ELEVATION(FEET) = 1197.00 STREET LENGTH(FEET) = 300.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 20.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK(FEET) = 12.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVEL TIME COMPUTED USING MEAN FLOW(CFS) = 33.23 STREET FLOW MODEL RESULTS: STREET FLOW DEPTH(FEET) = .60 HALFSTREET FLOOD WIDTH(FEET) = 15.88 AVERAGE FLOW VELOCITY(FEET /SEC.) = 5.02 PRODUCT OF DEPTH &VELOCITY = 2.99 STREET FLOW TRAVEL TIME(MIN.) = 1.00 TC(MIN.) = 18.35 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.850 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 EFFECTIVE AREA(ACRES) = 15.00 AVERAGED Fm(INCH /HR) = .49 TOTAL AREA(ACRES) = 15.00 PEAK FLOW RATE(CFS) = 33.23 END OF SUBAREA STREET FLOW HYDRAULICS: DEPTH(FEET) = .60 HALFSTREET FLOOD WIDTH(FEET) = 15.88 FLOW VELOCITY(FEET /SEC.) = 5.02 DEPTH *VELOCITY = 2.99 ,.. ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ?LOW PROCESS FROM NODE 267.00 TO NODE 267.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.850 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 SUBAREA AREA(ACRES) = 11.00 SUBAREA RUNOFF(CFS) = 23.41 EFFECTIVE AREA(ACRES) = 26.00 AVERAGED Fm(INCH /HR) = .485 TOTAL AREA(ACRES) = 26.00 PEAK FLOW RATE(CFS) = 55.33 TC(MIN) = 18.35 - , ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 267.10 TO NODE 268.10 IS CODE = 3 •... » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA««< » »> USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 39.0 INCH PIPE IS 27.4 INCHES "" PIPE -FLOW VELOCITY(FEET /SEC.) = 8.9 arr UPSTREAM NODE ELEVATION(FEET) = 1197.00 DOWNSTREAM NODE ELEVATION(FEET) = 1188.00 FLOW LENGTH(FEET) = 1350.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 39.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 55.33 2RAVEL TIME(MIN.) = 2.53 TC(MIN.) = 20.89 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 268.00 TO NODE 268.10 IS CODE = 8 » »> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.637 SOIL CLASSIFICATION IS "A" 2ESIDENTIAL-> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 �.. SUBAREA AREA(ACRES) = 25.00 SUBAREA RUNOFF(CFS) = 48.42 EFFECTIVE AREA(ACRES) = 51.00 AVERAGED Fm(INCH /HR) = .485 TOTAL AREA(ACRES) = 51.00 PEAK FLOW RATE(CFS) = 98.77 TC(MIN) = 20.89 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 268.10 TO NODE 269.10 IS CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 39.0 INCH PIPE IS 29.4 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 14.7 UPSTREAM NODE ELEVATION(FEET) = 1188.00 DOWNSTREAM NODE ELEVATION(FEET) = 1163.00 FLOW LENGTH(FEET) = 1400.00 MANNING'S N = .013 -- ESTIMATED PIPE DIAMETER(INCH) = 39.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 98.77 .0 TRAVEL TIME(MIN.) = 1.59 TC(MIN.) = 22.47 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 269.00 TO NODE 269.10 IS CODE = 8 >» »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.523 �. SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 «�. SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 73.39 EFFECTIVE AREA(ACRES) = 91.00 �^ AVERAGED Fm(INCH /HR) = .485 TOTAL AREA(ACRES) = 91.00 PEAK FLOW RATE(CFS) = 166.95 TC(MIN) = 22.47 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 269.10 TO NODE 270.10 IS CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA ««< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 51.0 INCH PIPE IS 38.3 INCHES ww PIPE -FLOW VELOCITY(FEET /SEC.) = 14.6 UPSTREAM NODE ELEVATION(FEET) = 1163.00 DOWNSTREAM NODE ELEVATION(FEET) = 1147.00 FLOW LENGTH(FEET) = 1300.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 51.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 166.95 TRAVEL TIME(MIN.) = 1.48 TC(MIN.) = 23.96 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 270.00 TO NODE 270.10 IS CODE = 8 MVP » »> ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 44 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.428 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 69.96 EFFECTIVE AREA(ACRES) = 131.00 AVERAGED Fm(INCH /HR) = .485 TOTAL AREA(ACRES) = 131.00 PEAK FLOW RATE(CFS) = 229.13 TC(MIN) = 23.96 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 270.10 TO NODE 271.10 IS CODE = 3 » » > COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA« «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 54.0 INCH PIPE IS 44.2 INCHES 4 PIPE -FLOW VELOCITY(FEET /SEC.) = 16.5 UPSTREAM NODE ELEVATION(FEET) = 1147.00 DOWNSTREAM NODE ELEVATION(FEET) = 1109.00 FLOW LENGTH(FEET) = 2650.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 54.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 229.13 TRAVEL TIME(MIN.) = 2.68 TC(MIN.) = 26.64 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 271.00 TO NODE 271.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.279 ,,. SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 .,. SUBAREA AREA(ACRES) = 80.00 SUBAREA RUNOFF(CFS) = 129.13 EFFECTIVE AREA(ACRES) = 211.00 AVERAGED Fm(INCH /HR) = .485 TOTAL AREA(ACRES) = 211.00 PEAK FLOW RATE(CFS) = 340.59 TC(MIN) = 26.64 '�. ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 271.10 TO NODE 272.10 IS CODE = 3 » » > COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 66.0 INCH PIPE IS 50.2 INCHES ,., PIPE -FLOW VELOCITY(FEET /SEC.) = 17.6 UPSTREAM NODE ELEVATION(FEET) = 1109.00 DOWNSTREAM NODE ELEVATION(FEET) = 1092.00 FLOW LENGTH(FEET) = 1350.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 66.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 340.59 TRAVEL TIME(MIN.) = 1.28 TC(MIN.) = 27.93 .s ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 'LOW PROCESS FROM NODE 272.10 TO NODE 272.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE ««< » » >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< TOTAL NUMBER OF STREAMS = 2 CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MIN.) = 27.93 RAINFALL INTENSITY(INCH /HR) = 2.22 AVERAGED Fm(INCH /HR) = .49 EFFECTIVE STREAM AREA(ACRES) = 211.00 TOTAL STREAM AREA(ACRES) = 211.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 340.59 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. ** PEAK FLOW RATE TABLE ** Q(CFS) Tc(MIN.) Fm(INCH /HR) Ae(ACRES) 1 2227.12 21.45 .381 990.32 2 2311.94 24.70 .382 1148.71 3 2372.13 28.79 .381 1330.80 4 2372.04 28.87 .381 1333.80 5 2347.70 31.21 .380 1403.02 6 2346.88 31.24 .380 1403.33 7 1894.56 42.06 .382 1425.00 8 2367.73 27.93 .382 1297.45 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 2372.13 Tc(MIN.) = 28.791 EFFECTIVE AREA(ACRES) = 1330.80 AVERAGED Fm(INCH /HR) = .38 TOTAL AREA(ACRES) = 1425.00 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 272.10 TO NODE 272.15 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL - CHANNEL FLOW ««< >» »TRAVEL TIME THRU SUBAREA ««< UPSTREAM NODE ELEVATION(FEET) = 1078.00 DOWNSTREAM NODE ELEVATION(FEET) = 1049.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 900.00 CHANNEL BASE(FEET) = 16.00 "Z" FACTOR = .000 MANNING'S FACTOR = .015 MAXIMUM DEPTH(FEET) = 8.00 CHANNEL FLOW THRU SUBAREA(CFS) = 2372.13 FLOW VELOCITY(FEET /SEC.) = 35.05 FLOW DEPTH(FEET) = 4.23 "" TRAVEL TIME(MIN.) = .43 TC(MIN.) = 29.22 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 272.15 TO NODE 284.10 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL- CHANNEL FLOW « «< » » > TRAVEL TIME THRU SUBAREA« «< UPSTREAM NODE ELEVATION(FEET) = 1049.00 DOWNSTREAM NODE ELEVATION(FEET) = 1044.50 Ami CHANNEL LENGTH THRU SUBAREA(FEET) = 900.00 CHANNEL BASE(FEET) = 28.00 "Z" FACTOR = .000 *■ MANNING'S FACTOR = .015 MAXIMUM DEPTH(FEET) = 7.00 CHANNEL FLOW THRU SUBAREA(CFS) = 2372.13 FLOW VELOCITY(FEET /SEC.) = 16.79 FLOW DEPTH(FEET) = 5.05 TRAVEL TIME(MIN.) = .89 TC(MIN.) = 30.11 _****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 284.10 TO NODE 284.10 IS CODE = 1 »» >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< TOTAL NUMBER OF STREAMS = 2 CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MIN.) = 30.11 RAINFALL INTENSITY(INCH /HR) = 2.12 AVERAGED Fm(INCH /HR) = .38 EFFECTIVE STREAM AREA(ACRES) = 1330.80 TOTAL STREAM AREA(ACRES) = 1425.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 2372.13 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 275.00 TO NODE 275.10 IS CODE = 2 » »>RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< DEVELOPMENT IS COMMERCIAL TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW - LENGTH(FEET) = 800.00 UPSTREAM ELEVATION(FEET) = 1136.00 DOWNSTREAM ELEVATION(FEET) = 1125.00 ELEVATION DIFFERENCE(FEET) = 11.00 .�. TC(MIN.) = .304 *[( 800.00 ** 3.00)/( 11.00)] ** .20 = 10.386 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 4.010 SOIL CLASSIFICATION IS "A" COMMERCIAL SUBAREA LOSS RATE, Fm(INCH /HR) = .0970 SUBAREA RUNOFF(CFS) = 24.65 TOTAL AREA(ACRES) = 7.00 PEAK FLOW RATE(CFS) = 24.65 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 275.10 TO NODE 276.10 IS CODE = 6 » »>COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA««< UPSTREAM ELEVATION(FEET) = 1125.00 DOWNSTREAM ELEVATION(FEET) = 1115.00 STREET LENGTH(FEET) = 650.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 18.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK(FEET) = 10.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 '"" SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVEL TIME COMPUTED USING MEAN FLOW(CFS) = 24.65 STREET FLOW MODEL RESULTS: NOTE: STREET FLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREET FLOW 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 FLOW DEPTH(FEET) = .56 HALFSTREET FLOOD WIDTH(FEET) = 15.19 AVERAGE FLOW VELOCITY(FEET /SEC.) = 4.05 PRODUCT OF DEPTH &VELOCITY = 2.27 STREET FLOW TRAVEL TIME(MIN.) = 2.67 TC(MIN.) = 13.06 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.495 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) _ .4850 SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 EFFECTIVE AREA(ACRES) = 7.00 AVERAGED Fm(INCH /HR) = .10 TOTAL AREA(ACRES) = 7.00 PEAK FLOW RATE(CFS) = 24.65 END OF SUBAREA STREET FLOW HYDRAULICS: DEPTH(FEET) = .56 HALFSTREET FLOOD WIDTH(FEET) = 15.19 00 FLOW VELOCITY(FEET /SEC.) = 4.05 DEPTH *VELOCITY = 2.27 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 276.00 TO NODE 276.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.495 SOIL CLASSIFICATION IS "A" Awi RESIDENTIAL -> 8 -10 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) _ .3880 SUBAREA AREA(ACRES) = 7.00 SUBAREA RUNOFF(CFS) = 19.57 EFFECTIVE AREA(ACRES) = 14.00 AVERAGED Fm(INCH/HR) = .242 TOTAL AREA(ACRES) = 14.00 PEAK FLOW RATE(CFS) = 40.98 ." TC(MIN) = 13.06 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 276.10 TO NODE 277.10 IS CODE = 3 » »>COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA««< -• » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 42.0 INCH PIPE IS 30.8 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 5.4 UPSTREAM NODE ELEVATION(FEET) = 1115.00 DOWNSTREAM NODE ELEVATION(FEET) = 1114.00 FLOW LENGTH(FEET) = 450.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 42.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 40.98 TRAVEL TIME(MIN.) = 1.38 TC(MIN.) = 14.44 ******************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** �.. FLOW PROCESS FROM NODE 277.00 TO NODE 277.10 IS CODE = 8 -. » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.290 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = 14.00 SUBAREA RUNOFF(CFS) = 35.35 EFFECTIVE AREA(ACRES) = 28.00 mm, AVERAGED Fm(INCH/HR) = .364 TOTAL AREA(ACRES) = 28.00 PEAK FLOW RATE(CFS) = 73.75 TC(MIN) = 14.44 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 277.10 TO NODE 278.10 IS CODE = 3 » »>COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA« «< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< l'" DEPTH OF FLOW IN 42.0 INCH PIPE IS 30.3 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 9.9 UPSTREAM NODE ELEVATION(FEET) = 1114.00 DOWNSTREAM NODE ELEVATION(FEET) = 1111.00 FLOW LENGTH(FEET) = 400.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 42.00 NUMBER OF PIPES = 1 2IPE- FLOW(CFS) = 73.75 TRAVEL TIME(MIN.) = .67 TC(MIN.) = 15.11 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 278.00 TO NODE 278.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.202 30IL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = 12.00 SUBAREA RUNOFF(CFS) = 29.34 EFFECTIVE AREA(ACRES) = 40.00 AVERAGED Fm(INCH/HR) = .400 TOTAL AREA(ACRES) = 40.00 PEAK FLOW RATE(CFS) = 100.87 TC(MIN) = 15.11 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 278.10 TO NODE 279.10 IS CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA« «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 42.0 INCH PIPE IS 31.1 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 13.2 UPSTREAM NODE ELEVATION(FEET) = 1111.00 DOWNSTREAM NODE ELEVATION(FEET) = 1094.00 FLOW LENGTH(FEET) = 1300.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 42.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 100.87 TRAVEL TIME(MIN.) = 1.64 TC(MIN.) = 16.76 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 279.00 TO NODE 279.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.010 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 90.89 EFFECTIVE AREA(ACRES) = 80.00 AVERAGED Fm(INCH /HR) = .443 iceN TOTAL AREA(ACRES) = 80.00 PEAK FLOW RATE(CFS) = 184.84 "" TC(MIN) = 16.76 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 279.10 TO NODE 280.10 IS CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA««< .,. » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< ++ DEPTH OF FLOW IN 63.0 INCH PIPE IS 49.5 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 10.1 UPSTREAM NODE ELEVATION(FEET) = 1094.00 DOWNSTREAM NODE ELEVATION(FEET) = 1088.00 41 ' FLOW LENGTH(FEET) = 1350.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 63.00 NUMBER OF PIPES = 1 PIPE- FLOW(CFS) = 184.84 TRAVEL TIME(MIN.) = 2.22 TC(MIN.) = 18.97 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 280.00 TO NODE 280.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.793 SOIL CLASSIFICATION IS "A" COMMERCIAL SUBAREA LOSS RATE, Fm(INCH /HR) = .0970 3UBAREA AREA(ACRES) = 80.00 SUBAREA RUNOFF(CFS) = 194.13 EFFECTIVE AREA(ACRES) = 160.00 AVERAGED Fm(INCH/HR) = .270 TOTAL AREA(ACRES) = 160.00 PEAK FLOW RATE(CFS) = 363.39 TC(MIN) = 18.97 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 280.10 TO NODE 281.10 IS CODE = 3 wad » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 81.0 INCH PIPE IS 63.9 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 12.0 UPSTREAM NODE ELEVATION(FEET) = 1088.00 DOWNSTREAM NODE ELEVATION(FEET) = 1082.00 FLOW LENGTH(FEET) = 1350.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 81.00 NUMBER OF PIPES = 1 - PIPE - FLOW(CFS) = 363.39 TRAVEL TIME(MIN.) = 1.88 TC(MIN.) = 20.85 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 281.00 TO NODE 281.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.640 SOIL CLASSIFICATION IS "A" ... COMMERCIAL SUBAREA LOSS RATE, Fm(INCH /HR) = .0970 SUBAREA AREA(ACRES) = 80.00 SUBAREA RUNOFF(CFS) = 183.07 EFFECTIVE AREA(ACRES) = 240.00 AVERAGED Fm(INCH /HR) = .212 TOTAL AREA(ACRES) = 240.00 PEAK FLOW RATE(CFS) = 524.33 TC(MIN) = 20.85 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 281.10 TO NODE 281.15 IS CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA« «< ... » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< �.. DEPTH OF FLOW IN 90.0 INCH PIPE IS 69.9 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 14.2 ' UPSTREAM NODE ELEVATION(FEET) = 1068.00 DOWNSTREAM NODE ELEVATION(FEET) = 1062.00 FLOW LENGTH(FEET) = 1100.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 90.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 524.33 TRAVEL TIME(MIN.) = 1.29 TC(MIN.) = 22.14 r****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 281.15 TO NODE 282.10 IS CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 57.0 INCH PIPE IS 41.5 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 38.0 UPSTREAM NODE ELEVATION(FEET) = 1062.00 DOWNSTREAM NODE ELEVATION(FEET) = 1047.50 ?LOW LENGTH(FEET) = 200.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 57.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 524.33 TRAVEL TIME(MIN.) = .09 TC(MIN.) = 22.23 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 282.00 TO NODE 282.10 IS CODE = 8 A'" » OF SUBAREA TO MAINLINE PEAK FLOW ««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.540 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 ,., SUBAREA AREA(ACRES) = 61.00 SUBAREA RUNOFF(CFS) = 112.84 EFFECTIVE AREA(ACRES) = 301.00 AVERAGED Fm(INCH/HR) = .267 TOTAL AREA(ACRES) = 301.00 PEAK FLOW RATE(CFS) = 615.73 TC(MIN) = 22.23 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 282.10 TO NODE 284.10 IS CODE = 5 » »> COMPUTE TRAPEZOIDAL- CHANNEL FLOW« «< » » > TRAVEL TIME THRU SUBAREA««< JPSTREAM NODE ELEVATION(FEET) = 1047.50 DOWNSTREAM NODE ELEVATION(FEET) = 1044.50 CHANNEL LENGTH THRU SUBAREA(FEET) = 1350.00 ,.. CHANNEL BASE(FEET) = 12.00 "Z" FACTOR = .000 MANNING'S FACTOR = .015 MAXIMUM DEPTH(FEET) = 7.00 CHANNEL FLOW THRU SUBAREA(CFS) = 615.73 FLOW VELOCITY(FEET /SEC.) = 9.41 FLOW DEPTH(FEET) = 5.45 TRAVEL TIME(MIN.) = 2.39 TC(MIN.) = 24.62 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 283.00 TO NODE 284.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.389 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 �.. SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 34.28 EFFECTIVE AREA(ACRES) = 321.00 AVERAGED Fm(INCH /HR) = .281 TOTAL AREA(ACRES) = 321.00 PEAK FLOW RATE(CFS) = 615.73 TC(MIN) = 24.62 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 284.10 TO NODE 284.10 IS CODE = 1 b ., » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE ««< » » >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES ««< TOTAL NUMBER OF STREAMS = 2 CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MIN.) = 24.62 RAINFALL INTENSITY(INCH /HR) = 2.39 AVERAGED Fm(INCH /HR) = .28 EFFECTIVE STREAM AREA(ACRES) = 321.00 COTAL STREAM AREA(ACRES) = 321.00 . PEAK FLOW RATE(CFS) AT CONFLUENCE = 615.73 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. ** PEAK FLOW RATE TABLE ** Q(CFS) Tc(MIN.) Fm(INCH/HR) Ae(ACRES) 1 2827.87 22.80 .358 1287.68 2 2904.61 26.03 .360 1469.71 3 2914.87 29.25 .362 1618.45 4 2908.39 30.11 .362 1651.80 5 2907.27 30.20 .362 1654.80 6 2855.85 32.54 .362 1724.02 7 2854.77 32.56 .362 1724.33 8 2308.47 43.49 .363 1746.00 9 2890.45 24.62 .358 1400.20 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 2914.87 Tc(MIN.) = 29.249 - EFFECTIVE AREA(ACRES) = 1618.45 AVERAGED Fm(INCH /HR) = .36 TOTAL AREA(ACRES) = 1746.00 -- ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 284.00 TO NODE 284.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.155 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = 60.00 SUBAREA RUNOFF(CFS) = 90.15 EFFECTIVE AREA(ACRES) = 1678.45 AVERAGED Fm(INCH /HR) = .366 - TOTAL AREA(ACRES) = 1806.00 PEAK FLOW RATE(CFS) = 2914.87 TC(MIN) = 29.25 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 284.10 TO NODE 284.15 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL - CHANNEL FLOW« «< , » »> TRAVEL TIME THRU SUBAREA « «< .., UPSTREAM NODE ELEVATION(FEET) = 1044.50 DOWNSTREAM NODE ELEVATION(FEET) = 1037.00 mi CHANNEL LENGTH THRU SUBAREA(FEET) = 1500.00 CHANNEL BASE(FEET) = 28.00 "Z" FACTOR = .000 MANNING'S FACTOR = .015 MAXIMUM DEPTH(FEET) = 9.00 CHANNEL FLOW THRU SUBAREA(CFS) = 2914.87 ` FLOW VELOCITY(FEET /SEC.) = 17.92 FLOW DEPTH(FEET) = 5.81 TRAVEL TIME(MIN.) = 1.40 TC(MIN.) = 30.64 END OF STUDY SUMMARY: TOTAL AREA(ACRES) = 1806.00 TC(MIN.) = 30.64 EFFECTIVE AREA(ACRES) = 1678.45 AVERAGED Fm(INCH/HR)= .37 PEAK FLOW RATE(CFS) = 2914.87 * ** PEAK FLOW RATE TABLE * ** Q(CFS) Tc(MIN.) Fm(INCH /HR) Ae(ACRES) 1 2827.87 24.31 .364 1347.68 2 3904.61 27.43 .365 1529.71 3 2914.87 30.64 .366 1678.45 4 2908.39 31.51 .366 I7I1.80 ~= 5 2907.27 31.59 .366 1714.80 5 2855.85 33.94 .366 1784.02 7 2854.77 33.97 .366 I784.33 8 3308.47 44.99 .367 1806.00 9 3890.45 36.0I .364 I460.20 END OF RATIONAL METHOD ANALYSIS = _ = -- ~ - ~ - 4 00 == 40 wa = ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE (Reference: 1986 SAN BERNARDINO CO. HYDROLOGY CRITERION) (c) Copyright 1983 -88 Advanced Engineering Software (aes) Ver. 5.2A Release Date: 7/08/88 Serial # 2929 Analysis prepared by: HALL & FOREMAN, INC. * * * * * * * * * * * * * * * * * * * * * * * * ** DESCRIPTION OF STUDY * * * * * * * * * * * * * * * * * * * * * * * * ** * S. FONTANA MASTER S.D. PLAN: LINE M -6 * * Q 25 -YEAR, DESIGN Q * * L. GATES, J.N. 4042 * ******************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 4wW FILE NAME: SFONTM6.DAT TIME /DATE OF STUDY: 14:30 1/22/1992 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) = .950 100 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.400 :OMPUTED RAINFALL INTENSITY DATA: STORM EVENT = 25.00 1 -HOUR INTENSITY(INCH /HOUR) = 1.1070 SLOPE OF INTENSITY DURATION CURVE = .6000 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 400.00 TO NODE 400.10 IS CODE = 2 » »> RATIONAL METHOD INITIAL SUBAREA ANALYSIS« «< DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 5 -7 DWELLINGS /ACRE TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)) ** .20 INITIAL SUBAREA FLOW - LENGTH(FEET) = 800.00 .., UPSTREAM ELEVATION(FEET) = 1200.00 DOWNSTREAM ELEVATION(FEET) = 1188.00 ELEVATION DIFFERENCE(FEET) = 12.00 TC(MIN.) = .389 *[( 800.00 ** 3.00)/( 12.00)] ** .20 = 13.061 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.763 SOIL CLASSIFICATION IS "A" °" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA RUNOFF(CFS) = 12.30 `A" TOTAL AREA(ACRES) = 6.00 PEAK FLOW RATE(CFS) = 12.30 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 400.10 TO NODE 401.10 IS CODE = 6 » »COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA««< UPSTREAM ELEVATION(FEET) = 1188.00 DOWNSTREAM ELEVATION(FEET) = 1185.00 STREET LENGTH(FEET) = 700.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 18.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK(FEET) = 10.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVEL TIME COMPUTED USING MEAN FLOW(CFS) = 12.30 STREET FLOW MODEL RESULTS: NOTE: STREET FLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREET FLOW 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 FLOW DEPTH(FEET) = .55 HALFSTREET FLOOD WIDTH(FEET) = 14.56 AVERAGE FLOW VELOCITY(FEET /SEC.) = 2.15 PRODUCT OF DEPTH &VELOCITY = 1.18 STREET FLOW TRAVEL TIME(MIN.) = 5.42 TC(MIN.) = 18.48 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.244 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 EFFECTIVE AREA(ACRES) = 6.00 AVERAGED Fm(INCH/HR) = .49 TOTAL AREA(ACRES) = 6.00 PEAK FLOW RATE(CFS) = 12.30 END OF SUBAREA STREET FLOW HYDRAULICS: DEPTH(FEET) = .55 HALFSTREET FLOOD WIDTH(FEET) = 14.56 FLOW VELOCITY(FEET /SEC.) = 2.15 DEPTH *VELOCITY = 1.18 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 401.00 TO NODE 401.10 IS CODE = 8 .» »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.244 - SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 "' SUBAREA AREA(ACRES) = 6.00 SUBAREA RUNOFF(CFS) = 9.50 EFFECTIVE AREA(ACRES) = 12.00 """ AVERAGED Fm(INCH/HR) = .485 TOTAL AREA(ACRES) = 12.00 PEAK FLOW RATE(CFS) = 19.00 TC(MIN) = 18.48 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 401.10 TO NODE 402.10 IS CODE = 6 » » >COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA««< - UPSTREAM ELEVATION(FEET) = 1185.00 DOWNSTREAM ELEVATION(FEET) = 1180.00 STREET LENGTH(FEET) = 350.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 20.00 "" DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK(FEET) = 12.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVEL TIME COMPUTED USING MEAN FLOW(CFS) = 19.00 STREET FLOW MODEL RESULTS: STREET FLOW DEPTH(FEET) = .54 HALFSTREET FLOOD WIDTH(FEET) = 12.87 AVERAGE FLOW VELOCITY(FEET /SEC.) = 3.88 PRODUCT OF DEPTH &VELOCITY = 2.08 STREET FLOW TRAVEL TIME(MIN.) = 1.50 TC(MIN.) = 19.98 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.141 SOIL CLASSIFICATION IS "A" 2ESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 EFFECTIVE AREA(ACRES) = 12.00 AVERAGED Fm(INCH /HR) = .49 TOTAL AREA(ACRES) = 12.00 PEAK FLOW RATE(CFS) = 19.00 END OF SUBAREA STREET FLOW HYDRAULICS: DEPTH(FEET) = .54 HALFSTREET FLOOD WIDTH(FEET) = 12.87 FLOW VELOCITY(FEET /SEC.) = 3.88 DEPTH *VELOCITY = 2.08 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 402.00 TO NODE 402.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.141 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = 11.00 SUBAREA RUNOFF(CFS) = 16.40 EFFECTIVE AREA(ACRES) = 23.00 AVERAGED Fm(INCH /HR) = .485 TOTAL AREA(ACRES) = 23.00 PEAK FLOW RATE(CFS) = 34.29 TC(MIN) = 19.98 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 402.10 TO NODE 403.10 IS CODE = 3 .» »COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA ««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< *^ DEPTH OF FLOW IN 30.0 INCH PIPE IS 22.1 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 8.8 UPSTREAM NODE ELEVATION(FEET) = 1180.00 DOWNSTREAM NODE ELEVATION(FEET) = 1168.00 FLOW LENGTH(FEET) = 1300.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 30.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 34.29 TRAVEL TIME(MIN.) = 2.45 TC(MIN.) = 22.43 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** .... FLOW PROCESS FROM NODE 403.00 TO NODE 403.10 IS CODE = 8 ' » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.998 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = 23.00 SUBAREA RUNOFF(CFS) = 31.31 EFFECTIVE AREA(ACRES) = 46.00 AVERAGED Fm(INCH/HR) = .485 TOTAL AREA(ACRES) = 46.00 PEAK FLOW RATE(CFS) = 62.63 TC(MIN) = 22.43 .�, *, ******************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 403.10 TO NODE 404.10 IS CODE = 3 » »> COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA« «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 36.0 INCH PIPE IS 24.5 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 12.2 UPSTREAM NODE ELEVATION(FEET) = 1168.00 ) OWNSTREAM NODE ELEVATION(FEET) = 1148.00 -- FLOW LENGTH(FEET) = 1400.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 62.63 TRAVEL TIME(MIN.) = 1.91 TC(MIN.) = 24.34 - ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 404.00 TO NODE 404.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.902 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 51.02 EFFECTIVE AREA(ACRES) = 86.00 AVERAGED Fm(INCH/HR) = .485 • TOTAL AREA(ACRES) = 86.00 PEAK FLOW RATE(CFS) = 109.70 TC(MIN) = 24.34 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 404.10 TO NODE 405.10 IS CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA« «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 42.0 INCH PIPE IS 33.6 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 13.3 �- UPSTREAM NODE ELEVATION(FEET) = 1148.00 DOWNSTREAM NODE ELEVATION(FEET) = 1131.00 FLOW LENGTH(FEET) = 1300.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 42.00 NUMBER OF PIPES = 1 - PIPE - FLOW(CFS) = 109.70 TRAVEL TIME(MIN.) = 1.63 TC(MIN.) = 25.97 • ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 405.10 TO NODE 405.10 IS CODE = 1 » »>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< . TOTAL NUMBER OF STREAMS = 2 CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: - TIME OF CONCENTRATION(MIN.) = 25.97 RAINFALL INTENSITY(INCH /HR) = 1.83 AVERAGED Fm(INCH /HR) = .49 EFFECTIVE STREAM AREA(ACRES) = 86.00 -"' TOTAL STREAM AREA(ACRES) = 86.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 109.70 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ,., FLOW PROCESS FROM NODE 406.00 TO NODE 406.10 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(FEET) = 950.00 UPSTREAM ELEVATION(FEET) = 1188.00 DOWNSTREAM ELEVATION(FEET) = 1171.00 ELEVATION DIFFERENCE(FEET) = 17.00 TC(MIN.) = .389 *[( 950.00 ** 3.00)/( 17.00)] ** .20 = 13.505 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.709 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA RUNOFF(CFS) = 20.01 TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 20.01 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 406.10 TO NODE 407.10 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL- CHANNEL FLOW ««< » »> TRAVEL TIME THRU SUBAREA« «< UPSTREAM NODE ELEVATION(FEET) = 1171.00 AO DOWNSTREAM NODE ELEVATION(FEET) = 1160.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 700.00 CHANNEL BASE(FEET) = 40.00 "Z" FACTOR = 99.990 MANNING'S FACTOR = .030 MAXIMUM DEPTH(FEET) = .50 CHANNEL FLOW THRU SUBAREA(CFS) = 20.01 FLOW VELOCITY(FEET /SEC.) = 1.73 FLOW DEPTH(FEET) = .19 TRAVEL TIME(MIN.) = 6.74 TC(MIN.) = 20.25 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 407.00 TO NODE 407.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.124 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 - SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 14.75 EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH /HR) = .485 TOTAL AREA(ACRES) = 20.00 " PEAK FLOW RATE(CFS) = 29.51 TC(MIN) = 20.25 - ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 407.10 TO NODE 408.10 IS CODE = 3 »»>COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA««< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 30.0 INCH PIPE IS 23.1 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 7.3 UPSTREAM NODE ELEVATION(FEET) = 1160.00 DOWNSTREAM NODE ELEVATION(FEET) = 1156.00 FLOW LENGTH(FEET) = 650.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 30.00 NUMBER OF PIPES = 1 PIPE- FLOW(CFS) = 29.51 TRAVEL TIME(MIN.) = 1.49 TC(MIN.) = 21.74 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 'LOW PROCESS FROM NODE 408.00 TO NODE 408.10 IS CODE = 8 » OF SUBAREA TO MAINLINE PEAK FLOW««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.036 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 27.91 EFFECTIVE AREA(ACRES) = 40.00 AVERAGED Fm(INCH /HR) = .485 'OTAL AREA(ACRES) = 40.00 PEAK FLOW RATE(CFS) = 55.82 TC(MIN) = 21.74 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 408.10 TO NODE 409.10 IS CODE = 3 » »> COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA««< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 33.0 INCH PIPE IS 23.6 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 12.3 UPSTREAM NODE ELEVATION(FEET) = 1156.00 DOWNSTREAM NODE ELEVATION(FEET) = 1137.00 FLOW LENGTH(FEET) = 1200.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 33.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 55.82 TRAVEL TIME(MIN.) = 1.63 TC(MIN.) = 23.37 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 409.00 TO NODE 409.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.949 SOIL CLASSIFICATION IS "A" ZESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 - SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 52.71 EFFECTIVE AREA(ACRES) = 80.00 -- AVERAGED Fm(INCH/HR) = .485 TOTAL AREA(ACRES) = 80.00 PEAK FLOW RATE(CFS) = 105.43 TC(MIN) = 23.37 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 409.10 TO NODE 405.10 IS CODE = 3 » »> COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 51.0 INCH PIPE IS 40.1 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 8.8 UPSTREAM NODE ELEVATION(FEET) = 1137.00 DOWNSTREAM NODE ELEVATION(FEET) = 1131.00 FLOW LENGTH(FEET) = 1350.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 51.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 105.43 TRAVEL TIME(MIN.) = 2.55 TC(MIN.) = 25.92 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 405.10 TO NODE 405.10 IS CODE = 1 » »DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< • » »>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES ««< - TOTAL NUMBER OF STREAMS = 2 CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MIN.) = 25.92 RAINFALL INTENSITY(INCH /HR) = 1.83 AVERAGED Fm(INCH /HR) = .49 EFFECTIVE STREAM AREA(ACRES) = 80.00 TOTAL STREAM AREA(ACRES) = 80.00 ?EAK FLOW RATE(CFS) AT CONFLUENCE = 105.43 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO "' CONFLUENCE FORMULA USED FOR 2 STREAMS. ** PEAK FLOW RATE TABLE ** Q(CFS) Tc(MIN.) Fm(INCH /HR) Ae(ACRES) 1 214.97 25.97 .485 166.00 2 215.09 25.92 .485 165.85 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 215.09 Tc(MIN.) = 25.922 EFFECTIVE AREA(ACRES) = 165.85 AVERAGED Fm(INCH /HR) = .49 TOTAL AREA(ACRES) = 166.00 �. ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 405.00 TO NODE 405.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.832 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 48.48 EFFECTIVE AREA(ACRES) = 205.85 AVERAGED Fm(INCH/HR) = .485 TOTAL AREA(ACRES) = 206.00 'EAK FLOW RATE(CFS) = 249.48 TC(MIN) = 25.92 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 405.10 TO NODE 405.15 IS CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA ««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 57.0 INCH PIPE IS 45.8 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 16.4 UPSTREAM NODE ELEVATION(FEET) = 1131.00 DOWNSTREAM NODE ELEVATION(FEET) = 1100.00 FLOW LENGTH(FEET) = 2350.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 57.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 249.48 TRAVEL TIME(MIN.) = 2.39 TC(MIN.) = 28.32 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 405.15 TO NODE 410.10 IS CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA ««< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 45.0 INCH PIPE IS 33.0 INCHES mea PIPE -FLOW VELOCITY(FEET /SEC.) = 28.7 1STREAM NODE ELEVATION(FEET) = 1088.00 -- DOWNSTREAM NODE ELEVATION(FEET) = 1071.00 FLOW LENGTH(FEET) = 300.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 45.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 249.48 .. TRAVEL TIME(MIN.) = .17 TC(MIN.) = 28.49 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 410.10 TO NODE 410.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< .` TOTAL NUMBER OF STREAMS = 2 CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MIN.) = 28.49 RAINFALL INTENSITY(INCH /HR) = 1.73 AVERAGED Fm(INCH /HR) = .49 EFFECTIVE STREAM AREA(ACRES) = 205.85 TOTAL STREAM AREA(ACRES) = 206.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 249.48 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 411.00 TO NODE 411.10 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(FEET) = 900.00 UPSTREAM ELEVATION(FEET) = 1147.00 DOWNSTREAM ELEVATION(FEET) = 1132.00 ELEVATION DIFFERENCE(FEET) = 15.00 TC(MIN.) = .389 *[( 900.00 ** 3.00)/( 15.00)] ** .20 = 13.405 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.721 SOIL CLASSIFICATION IS "A" ...., RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 ;UBAREA RUNOFF(CFS) = 18.11 TOTAL AREA(ACRES) = 9.00 PEAK FLOW RATE(CFS) = 18.11 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** a" FLOW PROCESS FROM NODE 411.10 TO NODE 412.10 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL - CHANNEL FLOW ««< » »> TRAVEL TIME THRU SUBAREA« «< UPSTREAM NODE ELEVATION(FEET) = 1132.00 DOWNSTREAM NODE ELEVATION(FEET) = 1125.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 450.00 CHANNEL BASE(FEET) = 40.00 "Z" FACTOR = 99.990 - MANNING'S FACTOR = .030 MAXIMUM DEPTH(FEET) = .50 CHANNEL FLOW THRU SUBAREA(CFS) = 18.11 • FLOW VELOCITY(FEET /SEC.) = 1.57 FLOW DEPTH(FEET) = .19 TRAVEL TIME(MIN.) = 4.79 TC(MIN.) = 18.20 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 412.00 TO NODE 412.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« « < 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.265 SOIL CLASSIFICATION IS "A" • RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 :UBAREA AREA(ACRES) = 8.00 SUBAREA RUNOFF(CFS) = 12.82 �* EFFECTIVE AREA(ACRES) = 17.00 AVERAGED Fm(INCH /HR) = .485 "a TOTAL AREA(ACRES) = 17.00 PEAK FLOW RATE(CFS) = 27.23 TC(MIN) = 18.20 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 412.10 TO NODE 413.10 IS CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 33.0 INCH PIPE IS 22.5 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 6.3 UPSTREAM NODE ELEVATION(FEET) = 1125.00 DOWNSTREAM NODE ELEVATION(FEET) = 1122.00 FLOW LENGTH(FEET) = 700.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 33.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 27.23 TRAVEL TIME(MIN.) = 1.85 TC(MIN.) = 20.04 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 413.00 TO NODE 413.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« « < 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.137 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = 17.00 SUBAREA RUNOFF(CFS) = 25.28 EFFECTIVE AREA(ACRES) = 34.00 AVERAGED Fm(INCH /HR) = .485 TOTAL AREA(ACRES) = 34.00 PEAK FLOW RATE(CFS) = 50.56 TC(MIN) = 20.04 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 413.10 TO NODE 414.10 IS CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA ««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 33.0 INCH PIPE IS 23.4 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 11.2 UPSTREAM NODE ELEVATION(FEET) = 1122.00 DOWNSTREAM NODE ELEVATION(FEET) = 1102.00 „„ FLOW LENGTH(FEET) = 1500.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 33.00 NUMBER OF PIPES = 1 ,.. PIPE - FLOW(CFS) = 50.56 TRAVEL TIME(MIN.) = 2.22 TC(MIN.) = 22.26 „�. ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 414.00 TO NODE 414.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.007 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 SUBAREA AREA(ACRES) = 46.00 SUBAREA RUNOFF(CFS) = 63.00 EFFECTIVE AREA(ACRES) = 80.00 LVERAGED Fm(INCH /HR) = .485 - TOTAL AREA(ACRES) = 80.00 PEAK FLOW RATE{ -CC'S) = 109.56 TC(MIN) = ,'22.26, ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 414.10 TO NODE 414.15 IS CODE = 3 » »> COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA««< .» »USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 51.0 INCH PIPE IS 40.3 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 9.1 UPSTREAM NODE ELEVATION(FEET) = 1102.00 DOWNSTREAM NODE ELEVATION(FEET) = 1097.00 FLOW LENGTH(FEET) = 1050.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 51.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 109.56 TRAVEL TIME(MIN.) = 1.92 TC(MIN.) = 24.18 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 414.15 TO NODE 410.10 IS CODE = 3 » »> COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA« «< - » »> USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< **"' DEPTH OF FLOW IN 30.0 INCH PIPE IS 22.9 INCHES U5 PIPE -FLOW VELOCITY(FEET /SEC.) = 27.2 "" UPSTREAM NODE ELEVATION(FEET) = 1097.00 DOWNSTREAM NODE ELEVATION(FEET) = 1071.00 s`°` FLOW LENGTH(FEET) = 300.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 30.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 109.56 TRAVEL TIME(MIN.) = .18 TC(MIN.) = 24.37 r****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** • FLOW PROCESS FROM NODE 410.10 TO NODE 410.10 IS CODE = 1 -- » »>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< » » >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES « «< TOTAL NUMBER OF STREAMS = 2 CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MIN.) = 24.37 RAINFALL INTENSITY(INCH /HR) = 1.90 AVERAGED Fm(INCH /HR) = .49 EFFECTIVE STREAM AREA(ACRES) = 80.00 .„ TOTAL STREAM AREA(ACRES) = 80.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 109.56 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. ** PEAK FLOW RATE TABLE ** Q(CFS) Tc(MIN.) Fm(INCH /HR) Ae(ACRES) '' 1 345.86 28.49 .485 285.85 2 345.56 28.54 .485 286.00 "" 3 352.08 24.37 .485 256.05 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 352.08 Tc(MIN.) = 24.366 EFFECTIVE AREA(ACRES) = 256.05 AVERAGED Fm(INCH /HR) = .49 TOTAL AREA(ACRES) = 286.00 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** • FLOW PROCESS FROM NODE 410.00 TO NODE 410.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.901 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 ;UBAREA AREA(ACRES) = 84.00 SUBAREA RUNOFF(CFS) = 107.04 - EFFECTIVE AREA(ACRES) = 340.05 AVERAGED Fm(INCH /HR) = .485 TOTAL AREA(ACRES) = 370.00 PEAK FLOW RATE(CFS) = 433.33 TC(MIN) = 24.37 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 410.10 TO NODE 410.15 IS CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA ««< - » » > USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 93.0 INCH PIPE IS 73.7 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 10.8 UPSTREAM NODE ELEVATION(FEET) = 1071.00 DOWNSTREAM NODE ELEVATION(FEET) = 1068.00 "'" FLOW LENGTH(FEET) = 1000.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 93.00 NUMBER OF PIPES = 1 """ PIPE - FLOW(CFS) = 433.33 TRAVEL TIME(MIN.) = 1.54 TC(MIN.) = 25.91 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 410.15 TO NODE 415.10 IS CODE = 3 ,.. » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA««< .» »USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 72.0 INCH PIPE IS 55.4 INCHES - PIPE -FLOW VELOCITY(FEET /SEC.) = 18.6 UPSTREAM NODE ELEVATION(FEET) = 1078.00 DOWNSTREAM NODE ELEVATION(FEET) = 1058.00 FLOW LENGTH(FEET) = 1600.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 72.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 433.33 TRAVEL TIME(MIN.) = 1.44 TC(MIN.) = 27.35 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 415.00 TO NODE 415.10 IS CODE = 8 M., » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.774 - SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 a SUBAREA AREA(ACRES) = 77.00 SUBAREA RUNOFF(CFS) = 89.31 EFFECTIVE AREA(ACRES) = 417.05 AVERAGED Fm(INCH /HR) = .485 TOTAL AREA(ACRES) = 447.00 PEAK FLOW RATE(CFS) = 483.74 TC(MIN) = 27.35 ****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** - FLOW PROCESS FROM NODE 415.10 TO NODE 710.10 IS CODE = 3 » »>COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA««< » »> USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 75.0 INCH PIPE IS 60.4 INCHES �• PIPE —FLOW VELOCITY(FEET /SEC.) = 18.3 UPSTREAM NODE ELEVATION(FEET) = 1058.00 DOWNSTREAM NODE ELEVATION(FEET) = 1042.00 'LOW LENGTH(FEET) = 1400.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 75.00 NUMBER OF PIPES = 1 PIPE — FLOW(CFS) = 483.74 TRAVEL TIME(MIN.) = 1.28 TC(MIN.) = 28.62 END OF STUDY SUMMARY: TOTAL AREA(ACRES) = 447.00 TC(MIN.) = 28.62 Aig EFFECTIVE AREA(ACRES) = 417.05 AVERAGED Fm(INCH/HR)= .49 PEAK FLOW RATE(CFS) = 483.74 * ** PEAK FLOW RATE TABLE * ** Q(CFS) Tc(MIN.) Fm(INCH /HR) Ae(ACRES) 1 460.49 32.76 .485 446.85 2 460.07 32.81 .485 447.00 3 483.74 28.62 .485 417.05 �^^ END OF RATIONAL METHOD ANALYSIS mot vedi Ate veto WNW eve vete veve meet vet veeli ems deb vow atm ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE (Reference: 1986 SAN BERNARDINO CO. HYDROLOGY CRITERION) (c) Copyright 1983 -88 Advanced Engineering Software (aes) Ver. 5.2A Release Date: 7/08/88 Serial # 2929 Analysis prepared by: HALL & FOREMAN, INC. * * * * * * * * * * * * * * * * * * * * * * * * ** DESCRIPTION OF STUDY * * * * * * * * * * * * * * * * * * * * * * * * ** .�. * S. FONTANA MASTER S.D. PLAN: LINE M -6 * * Q 100 -YEAR, DESIGN Q * * L. GATES, J.N. 4042 * ******************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FILE NAME: SFONTM6.DAT TIME /DATE OF STUDY: 14:32 1/22/1992 USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: -- *TIME -OF- CONCENTRATION MODEL*- - USER SPECIFIED STORM EVENT(YEAR) = 100.00 SPECIFIED MINIMUM PIPE SIZE(INCH) = 18.00 SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE = .95 *USER- DEFINED LOGARITHMIC INTERPOLATION USED FOR RAINFALL* 10 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = .950 100 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.400 ;OMPUTED RAINFALL INTENSITY DATA: STORM EVENT = 100.00 1 -HOUR INTENSITY(INCH /HOUR) = 1.4000 SLOPE OF INTENSITY DURATION CURVE = .6000 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 400.00 TO NODE 400.10 IS CODE = 2 » » > RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 5 -7 DWELLINGS /ACRE TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW - LENGTH(FEET) = 800.00 UPSTREAM ELEVATION(FEET) = 1200.00 DOWNSTREAM ELEVATION(FEET) = 1188.00 ELEVATION DIFFERENCE(FEET) = 12.00 TC(MIN.) = .389 *[( 800.00 ** 3.00)/( 12.00)] ** .20 = 13.061 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.495 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA RUNOFF(CFS) = 16.25 TOTAL AREA(ACRES) = 6.00 PEAK FLOW RATE(CFS) = 16.25 AW ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 400.10 TO NODE 401.10 IS CODE = 6 •» »COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA««< UPSTREAM ELEVATION(FEET) = 1188.00 DOWNSTREAM ELEVATION(FEET) = 1185.00 STREET LENGTH(FEET) = 700.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 18.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK(FEET) = 10.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVEL TIME COMPUTED USING MEAN FLOW(CFS) = 16.25 STREET FLOW MODEL RESULTS: NOTE: STREET FLOW EXCEEDS TOP OF CURB. axes. THE FOLLOWING STREET FLOW 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 FLOW DEPTH(FEET) = .60 HALFSTREET FLOOD WIDTH(FEET) = 17.06 AVERAGE FLOW VELOCITY(FEET /SEC.) = 2.23 PRODUCT OF DEPTH &VELOCITY = 1.33 STREET FLOW TRAVEL TIME(MIN.) = 5.24 TC(MIN.) = 18.30 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.855 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 EFFECTIVE AREA(ACRES) = 6.00 AVERAGED Fm(INCH/HR) = .49 TOTAL AREA(ACRES) = 6.00 PEAK FLOW RATE(CFS) = 16.25 END OF SUBAREA STREET FLOW HYDRAULICS: DEPTH(FEET) = .60 HALFSTREET FLOOD WIDTH(FEET) = 17.06 FLOW VELOCITY(FEET /SEC.) = 2.23 DEPTH *VELOCITY = 1.33 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 401.00 TO NODE 401.10 IS CODE = 8 >» »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.855 - SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 SUBAREA AREA(ACRES) = 6.00 SUBAREA RUNOFF(CFS) = 12.80 EFFECTIVE AREA(ACRES) = 12.00 AVERAGED Fm(INCH/HR) = .485 TOTAL AREA(ACRES) = 12.00 - PEAK FLOW RATE(CFS) = 25.60 TC(MIN) = 18.30 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 401.10 TO NODE 402.10 IS CODE = 6 - » »>COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA««< - UPSTREAM ELEVATION(FEET) = 1185.00 DOWNSTREAM ELEVATION(FEET) = 1180.00 STREET LENGTH(FEET) = 350.00 CURB HEIGTH(INCHES) = 8. *A"° STREET HALFWIDTH(FEET) = 20.00 - DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK(FEET) = 12.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 saw OUTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVEL TIME COMPUTED USING MEAN FLOW(CFS) = 25.60 ... STREET FLOW MODEL RESULTS: STREET FLOW DEPTH(FEET) = .58 HALFSTREET FLOOD WIDTH(FEET) = 15.13 AVERAGE FLOW VELOCITY(FEET /SEC.) = 4.16 PRODUCT OF DEPTH &VELOCITY = 2.42 STREET FLOW TRAVEL TIME(MIN.) = 1.40 TC(MIN.) = 19.70 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.731 SOIL CLASSIFICATION IS "A" ZESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 ° SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 EFFECTIVE AREA(ACRES) = 12.00 AVERAGED Fm(INCH /HR) = .49 TOTAL AREA(ACRES) = 12.00 PEAK FLOW RATE(CFS) = 25.60 END OF SUBAREA STREET FLOW HYDRAULICS: DEPTH(FEET) = .58 HALFSTREET FLOOD WIDTH(FEET) = 15.13 FLOW VELOCITY(FEET /SEC.) = 4.16 DEPTH *VELOCITY = 2.42 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 402.00 TO NODE 402.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.731 SOIL CLASSIFICATION IS "A" ^^ RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 SUBAREA AREA(ACRES) = 11.00 SUBAREA RUNOFF(CFS) = 22.24 EFFECTIVE AREA(ACRES) = 23.00 AVERAGED Fm(INCH /HR) = .485 TOTAL AREA(ACRES) = 23.00 PEAK FLOW RATE(CFS) = 46.50 TC(MIN) = 19.70 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 402.10 TO NODE 403.10 IS CODE = 3 » »COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA« «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 33.0 INCH PIPE IS 25.4 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 9.5 UPSTREAM NODE ELEVATION(FEET) = 1180.00 DOWNSTREAM NODE ELEVATION(FEET) = 1168.00 FLOW LENGTH(FEET) = 1300.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 33.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 46.50 - TRAVEL TIME(MIN.) = 2.29 TC(MIN.) = 21.98 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** �.. FLOW PROCESS FROM NODE 403.00 TO NODE 403.10 IS CODE = 8 +� » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.557 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 SUBAREA AREA(ACRES) = 23.00 SUBAREA RUNOFF(CFS) = 42.89 EFFECTIVE AREA(ACRES) = 46.00 AVERAGED Fm(INCH/HR) = .485 TOTAL AREA(ACRES) = 46.00 PEAK FLOW RATE(CFS) = 85.79 TC(MIN) = 21.98 - *,******************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 403.10 TO NODE 404.10 IS CODE = 3 » »> COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA« «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< �• DEPTH OF FLOW IN 39.0 INCH PIPE IS 28.7 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 13.1 UPSTREAM NODE ELEVATION(FEET) = 1168.00 ) OWNSTREAM NODE ELEVATION(FEET) = 1148.00 FLOW LENGTH(FEET) = 1400.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 39.00 NUMBER OF PIPES = 1 PIPE- FLOW(CFS) = 85.79 TRAVEL TIME(MIN.) = 1.78 TC(MIN.) = 23.76 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 404.00 TO NODE 404.10 IS CODE = 8 » OF SUBAREA TO MAINLINE PEAK FLOW « « < 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.440 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 70.39 EFFECTIVE AREA(ACRES) = 86.00 AVERAGED Fm(INCH /HR) = .485 TOTAL AREA(ACRES) = 86.00 4. PEAK FLOW RATE(CFS) = 151.35 TC(MIN) = 23.76 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 404.10 TO NODE 405.10 IS CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 48.0 INCH PIPE IS 37.2 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 14.5 UPSTREAM NODE ELEVATION(FEET) = 1148.00 DOWNSTREAM NODE ELEVATION(FEET) = 1131.00 FLOW LENGTH(FEET) = 1300.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 48.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 151.35 TRAVEL TIME(MIN.) = 1.49 TC(MIN.) = 25.26 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ,�. FLOW PROCESS FROM NODE 405.10 TO NODE 405.10 IS CODE = 1 �. » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< TOTAL NUMBER OF STREAMS = 2 CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MIN.) = 25.26 RAINFALL INTENSITY(INCH /HR) = 2.35 AVERAGED Fm(INCH /HR) = .49 EFFECTIVE STREAM AREA(ACRES) = 86.00 TOTAL STREAM AREA(ACRES) = 86.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 151.35 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 406.00 TO NODE 406.10 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(FEET) = 950.00 UPSTREAM ELEVATION(FEET) = 1188.00 DOWNSTREAM ELEVATION(FEET) = 1171.00 ELEVATION DIFFERENCE(FEET) = 17.00 TC(MIN.) = .389 *[( 950.00 ** 3.00)/( 17.00)] ** .20 = 13.505 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.425 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 '" SUBAREA RUNOFF(CFS) = 26.46 TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 26.46 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 406.10 TO NODE 407.10 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL - CHANNEL FLOW « «< » »> TRAVEL TIME THRU SUBAREA««< UPSTREAM NODE ELEVATION(FEET) = 1171.00 DOWNSTREAM NODE ELEVATION(FEET) = 1160.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 700.00 CHANNEL BASE(FEET) = 40.00 "Z" FACTOR = 99.990 MANNING'S FACTOR = .030 MAXIMUM DEPTH(FEET) = .50 CHANNEL FLOW THRU SUBAREA(CFS) = 26.46 FLOW VELOCITY(FEET /SEC.) = 1.88 FLOW DEPTH(FEET) = .23 TRAVEL TIME(MIN.) = 6.20 TC(MIN.) = 19.71 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 407.00 TO NODE 407.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.731 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 20.21 EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH /HR) = .485 TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 40.42 TC(MIN) = 19.71 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 407.10 TO NODE 408.10 IS CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< 4M DEPTH OF FLOW IN 33.0 INCH PIPE IS 27.0 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 7.8 UPSTREAM NODE ELEVATION(FEET) = 1160.00 DOWNSTREAM NODE ELEVATION(FEET) = 1156.00 FLOW LENGTH(FEET) = 650.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 33.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 40.42 TRAVEL TIME(MIN.) = 1.40 TC(MIN.) = 21.10 �., *.******************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 'LOW PROCESS FROM NODE 408.00 TO NODE 408.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.621 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 «.. SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 38.44 EFFECTIVE AREA(ACRES) = 40.00 AVERAGED Fm(INCH/HR) = .485 'OTAL AREA(ACRES) = 40.00 PEAK FLOW RATE(CFS) = 76.89 TC(MIN) = 21.10 * * * * * * * * * * * * * * * * * * ** CIF************************ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 408.10 TO NODE 409.10 IS CODE = 3 » »> COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 36.0 INCH PIPE IS 27.7 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 13.2 UPSTREAM NODE ELEVATION(FEET) = 1156.00 atm DOWNSTREAM NODE ELEVATION(FEET) = 1137.00 FLOW LENGTH(FEET) = 1200.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 76.89 TRAVEL TIME(MIN.) = 1.52 TC(MIN.) = 22.62 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 409.00 TO NODE 409.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.514 SOIL CLASSIFICATION IS "A" ZESIDENTIAL-> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 73.03 EFFECTIVE AREA(ACRES) = 80.00 AVERAGED Fm(INCH/HR) = .485 TOTAL AREA(ACRES) = 80.00 PEAK FLOW RATE CFS) = 146.06 TC(MIN) = 22.62 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 409.10 TO NODE 405.10 IS CODE = 3 » »> COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 57.0 INCH PIPE IS 46.2 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 9.5 UPSTREAM NODE ELEVATION(FEET) = 1137.00 ,.. DOWNSTREAM NODE ELEVATION(FEET) = 1131.00 FLOW LENGTH(FEET) = 1350.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 57.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 146.06 TRAVEL TIME(MIN.) = 2.37 TC(MIN.) = 24.99 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 405.10 TO NODE 405.10 IS CODE = 1 .» »DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< » » >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES « «< 4 ° TOTAL NUMBER OF STREAMS = 2 CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MIN.) = 24.99 RAINFALL INTENSITY(INCH /HR) = 2.37 AVERAGED Fm(INCH/HR) = .49 EFFECTIVE STREAM AREA(ACRES) = 80.00 TOTAL STREAM AREA(ACRES) = 80.00 BEAK FLOW RATE(CFS) AT CONFLUENCE = 146.06 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. ** PEAK FLOW RATE TABLE ** Q(CFS) Tc(MIN.) Fm(INCH/HR) Ae(ACRES) 1 296.24 25.26 .485 166.00 2 297.01 24.99 .485 165.09 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 297.01 Tc(MIN.) = 24.992 EFFECTIVE AREA(ACRES) = 165.09 AVERAGED Fm(INCH /HR) = .49 TOTAL AREA(ACRES) = 166.00 - ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 405.00 TO NODE 405.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.368 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 67.78 EFFECTIVE AREA(ACRES) = 205.09 AVERAGED Fm(INCH /HR) = .485 TOTAL AREA(ACRES) = 206.00 3 EAK FLOW RATE(CFS) = 347.52 - TC(MIN) = 24.99 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 405.10 TO NODE 405.15 IS CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA ««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 66.0 INCH PIPE IS 50.1 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 18.0 UPSTREAM NODE ELEVATION(FEET) = 1131.00 DOWNSTREAM NODE ELEVATION(FEET) = 1100.00 FLOW LENGTH(FEET) = 2350.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 66.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 347.52 TRAVEL TIME(MIN.) = 2.18 TC(MIN.) = 27.17 Adta ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 405.15 TO NODE 410.10 IS CODE = 3 ,, » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA ««< »» >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 51.0 INCH PIPE IS 37.4 INCHES t./S.c (C ' PIPE -FLOW VELOCITY(FEET /SEC.) = 31.2 JPSTREAM NODE ELEVATION(FEET) = 1088.00 °^ DOWNSTREAM NODE ELEVATION(FEET) = 1071.00 FLOW LENGTH(FEET) = 300.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 51.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 347.52 TRAVEL TIME(MIN.) = .16 TC(MIN.) = 27.33 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 410.10 TO NODE 410.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< TOTAL NUMBER OF STREAMS = 2 CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MIN.) = 27.33 RAINFALL INTENSITY(INCH /HR) = 2.24 AVERAGED Fm(INCH/HR) = .49 EFFECTIVE STREAM AREA(ACRES) = 205.09 TOTAL STREAM AREA(ACRES) = 206.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 347.52 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 411.00 TO NODE 411.10 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(FEET) = 900.00 UPSTREAM ELEVATION(FEET) = 1147.00 DOWNSTREAM ELEVATION(FEET) = 1132.00 ELEVATION DIFFERENCE(FEET) = 15.00 TC(MIN.) = .389 *[( 900.00 ** 3.00) /( 15.00)] ** .20 = 13.405 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.441 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA RUNOFF(CFS) = 23.94 TOTAL AREA(ACRES) = 9.00 PEAK FLOW RATE(CFS) = 23.94 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 411.10 TO NODE 412.10 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL - CHANNEL FLOW ««< » »> TRAVEL TIME THRU SUBAREA ««< UPSTREAM NODE ELEVATION(FEET) = 1132.00 DOWNSTREAM NODE ELEVATION(FEET) = 1125.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 450.00 CHANNEL BASE(FEET) = 40.00 "Z" FACTOR = 99.990 MANNING'S FACTOR = .030 MAXIMUM DEPTH(FEET) = .50 CHANNEL FLOW THRU SUBAREA(CFS) = 23.94 FLOW VELOCITY(FEET /SEC.) = 1.70 FLOW DEPTH(FEET) = .23 TRAVEL TIME(MIN.) = 4.41 TC(MIN.) = 17.81 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 412.00 TO NODE 412.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.901 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 ;UBAREA AREA(ACRES) = 8.00 SUBAREA RUNOFF(CFS) = 17.40 -- EFFECTIVE AREA(ACRES) = 17.00 AVERAGED Fm(INCH/HR) = .485 TOTAL AREA(ACRES) = 17.00 PEAK FLOW RATE(CFS) = 36.97 TC(MIN) = 17.81 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 412.10 TO NODE 413.10 IS CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA ««< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 36.0 INCH PIPE IS 25.9 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 6.8 UPSTREAM NODE ELEVATION(FEET) = 1125.00 DOWNSTREAM NODE ELEVATION(FEET) = 1122.00 FLOW LENGTH(FEET) = 700.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 36.97 TRAVEL TIME(MIN.) = 1.72 TC(MIN.) = 19.53 • ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 413.00 TO NODE 413.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.745 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = 17.00 SUBAREA RUNOFF(CFS) = 34.58 EFFECTIVE AREA(ACRES) = 34.00 AVERAGED Fm(INCH /HR) = .485 TOTAL AREA(ACRES) = 34.00 PEAK FLOW RATE(CFS) = 69.16 TC(MIN) = 19.53 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** - FLOW PROCESS FROM NODE 413.10 TO NODE 414.10 IS CODE = 3 »» >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 36.0 INCH PIPE IS 27.2 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 12.1 UPSTREAM NODE ELEVATION(FEET) = 1122.00 DOWNSTREAM NODE ELEVATION(FEET) = 1102.00 - FLOW LENGTH(FEET) = 1500.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 69.16 TRAVEL TIME(MIN.) = 2.07 TC(MIN.) = 21.61 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 414.00 TO NODE 414.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.584 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = 46.00 SUBAREA RUNOFF(CFS) = 86.89 «0 EFFECTIVE AREA(ACRES) = 80.00 kVERAGED Fm(INCH/HR) = .485 - TOTAL AREA(ACRES) = 80.00 PEAK FLOW RATE(CFS) = 151.11 ' TC(MIN) = 21.611 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 414.10 TO NODE 414.15 IS CODE = 3 » »> COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA ««< »»USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 57.0 INCH PIPE IS 46.2 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 9.8 UPSTREAM NODE ELEVATION(FEET) = 1102.00 DOWNSTREAM NODE ELEVATION(FEET) = 1097.00 FLOW LENGTH(FEET) = 1050.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 57.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 151.11 TRAVEL TIME(MIN.) = 1.78 TC(MIN.) = 23.39 .., ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 414.15 TO NODE 410.10 IS CODE = 3 mm » »> COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< » »> USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< 000 DEPTH OF FLOW IN 33.0 INCH PIPE IS 26.9 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 29.1 UPSTREAM NODE ELEVATION(FEET) = 1097.00 DOWNSTREAM NODE ELEVATION(FEET) = 1071.00 0. FLOW LENGTH(FEET) = 300.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 33.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 151.11 TRAVEL TIME(MIN.) = .17 TC(MIN.) = 23.56 ti****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 410.10 TO NODE 410.10 IS CODE = 1 » »>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE« «< 0- » »>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES « «< TOTAL NUMBER OF STREAMS = 2 CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MIN.) = 23.56 RAINFALL INTENSITY(INCH /HR) = 2.45 AVERAGED Fm(INCH /HR) = .49 EFFECTIVE STREAM AREA(ACRES) = 80.00 TOTAL STREAM AREA(ACRES) = 80.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 151.11 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. ** PEAK FLOW RATE TABLE ** Q(CFS) Tc(MIN.) Fm(INCH/HR) Ae(ACRES) 1 482.57 27.33 .485 285.09 2 480.31 27.60 .485 286.00 3 486.28 23.56 .485 256.78 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 486.28 Tc(MIN.) = 23.560 EFFECTIVE AREA(ACRES) = 256.78 AVERAGED Fm(INCH /HR) = .48 TOTAL AREA(ACRES) = 286.00 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 410.00 TO NODE 410.10 IS CODE = 8 » OF SUBAREA TO MAINLINE PEAK FLOW ««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.453 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = 84.00 SUBAREA RUNOFF(CFS) = 148.79 EFFECTIVE AREA(ACRES) = 340.78 AVERAGED Fm(INCH /HR) = .485 TOTAL AREA(ACRES) = 370.00 PEAK FLOW RATE(CFS) = 603.62 TC(MIN) = 23.56 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 410.10 TO NODE 410.15 IS CODE = 3 kw. » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA««< �.. » »> USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 108.0 INCH PIPE IS 80.5 INCHES (JSF '8 " I/V4 6. PIPE -FLOW VELOCITY (FEET /SEC .) = 11.9 7 ys 5' ooi UPSTREAM NODE ELEVATION(FEET) = 1071.00 DOWNSTREAM NODE ELEVATION(FEET) = 1068.00 FLOW LENGTH(FEET) = 1000.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 108.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 603.62 TRAVEL TIME(MIN.) = 1.40 TC(MIN.) = 24.96 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 410.15 TO NODE 415.10 IS CODE = 3 » »>COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA« «< >» »USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 81.0 INCH PIPE IS 63.4 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 20.1 UPSTREAM NODE ELEVATION(FEET) = 1078.00 DOWNSTREAM NODE ELEVATION(FEET) = 1058.00 FLOW LENGTH(FEET) = 1600.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 81.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 603.62 TRAVEL TIME(MIN.) = 1.33 TC(MIN.) = 26.29 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 415.00 TO NODE 415.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.297 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = 77.00 SUBAREA RUNOFF(CFS) = 125.56 EFFECTIVE AREA(ACRES) = 417.78 AVERAGED Fm(INCH/HR) = .485 TOTAL AREA(ACRES) = 447.00 PEAK FLOW RATE(CFS) = 681.26 TC(MIN) = 26.29 :****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 415.10 TO NODE 710.10 IS CODE = 3 »»>COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA««< » »> USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 87.0 INCH PIPE IS 66.5 INCHES - PIPE -FLOW VELOCITY(FEET /SEC.) = 20.1 UPSTREAM NODE ELEVATION(FEET) = 1058.00 DOWNSTREAM NODE ELEVATION(FEET) = 1042.00 ?LOW LENGTH(FEET) = 1400.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 87.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 681.26 TRAVEL TIME(MIN.) = 1.16 TC(MIN.) = 27.45 - END OF STUDY SUMMARY: TOTAL AREA(ACRES) = 447.00 TC(MIN.) = 27.45 EFFECTIVE AREA(ACRES) = 417.78 AVERAGED Fm(INCH /HR)= .48 PEAK FLOW RATE(CFS) = 681.26 * ** PEAK FLOW RATE TABLE * ** Q(CFS) Tc(MIN.) Fm(INCH/HR) Ae(ACRES) 1 655.97 31.26 .485 446.09 2 652.75 31.53 .485 447.00 3 681.26 27.45 .485 417.78 ma - END OF RATIONAL METHOD ANALYSIS tam mot -4 k******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE (Reference: 1986 SAN BERNARDINO CO. HYDROLOGY CRITERION) (c) Copyright 1983 -88 Advanced Engineering Software (aes) Ver. 5.2A Release Date: 7/08/88 Serial # 2929 Analysis prepared by: HALL & FOREMAN, INC. -" * * * * * * * * * * * * * * * * * * * * * * * * ** DESCRIPTION OF STUDY * * * * * * * * * * * * * * * * * * * * * * * * ** * S. FONTANA MASTER S.D. PLAN: LINE M -7 -* Q 25 -YEAR, NOT DESIGN Q - REVISED CALC'S 10/13/93 k B. EVERSON - J.N. 4042 - SFONTM7.DAT (INPUT), SFONTM7.OUT (OUTPUT) ******************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FILE NAME: SFONTM7.DAT . TIME /DATE OF STUDY: 15:4' 10/14/1993 - USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: -- *TIME -OF- CONCENTRATION MODEL*- - USER SPECIFIED STORM EVENT(YEAR) = 25.00 SPECIFIED MINIMUM PIPE SIZE(INCH) = 18.00 °**' SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE = .95 *USER - DEFINED LOGARITHMIC INTERPOLATION USED FOR RAINFALL* - 10 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = .950 00 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.400 ,.;OMPUTED RAINFALL INTENSITY DATA: STORM EVENT = 25.00 1 -HOUR INTENSITY(INCH /HOUR) = 1.1070 SLOPE OF INTENSITY DURATION CURVE = .6000 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** - FLOW PROCESS FROM NODE 420.00 TO NODE 420.10 IS CODE = 2 » » > RATIONAL METHOD INITIAL SUBAREA ANALYSIS « «< 4 " DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 5 -7 DWELLINGS /ACRE - TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW - LENGTH(FEET) = 800.00 • UPSTREAM ELEVATION(FEET) = 1182.00 DOWNSTREAM ELEVATION(FEET) = 1170.00 - ELEVATION DIFFERENCE(FEET) = 12.00 TC(MIN.) = .389 *[( 800.00 ** 3.00)/( 12.00)] ** .20 = 13.061 • 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.763 SOIL CLASSIFICATION IS "A" • RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA RUNOFF(CFS) = 12.30 "' TOTAL AREA(ACRES) = 6.00 PEAK FLOW RATE(CFS) = 12.30 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW. PROCESS FROM NODE 420.10 TO NODE 421.10 IS CODE = 6 .» »COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA ««< UPSTREAM ELEVATION(FEET) = 1170.00 DOWNSTREAM ELEVATION(FEET) = 1169.00 STREET LENGTH(FEET) = 600.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 18.00 • - DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK(FEET) = 10.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVEL TIME COMPUTED USING MEAN FLOW(CFS) = 12.30 ** *STREET FLOWING FULL * ** STREET FLOW MODEL RESULTS: NOTE: STREET FLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREET FLOW 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 FLOW DEPTH(FEET) = .63 HALFSTREET FLOOD WIDTH(FEET) = 18.00 AVERAGE FLOW VELOCITY(FEET /SEC.) = 1.48 PRODUCT OF DEPTH &VELOCITY = .93' - STREET FLOW TRAVEL TIME(MIN.) = 6.75 TC(MIN.) _ 19.81 - 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.152 SOIL CLASSIFICATION IS '!A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 EFFECTIVE AREA(ACRES) = 6.00 AVERAGED Fm(INCH/HR) = .49 TOTAL AREA(ACRES) = 6.00 PEAK FLOW RATE(CFS) = 12.30 END OF SUBAREA STREET FLOW HYDRAULICS: - DEPTH(FEET) = .63 HALFSTREET FLOOD WIDTH(FEET) = 18.00 FLOW VELOCITY(FEET /SEC.) = 1.48 DEPTH *VELOCITY = .93 -********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 421.00 TO NODE 421.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.152 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 SUBAREA AREA(ACRES) = 5.00 SUBAREA RUNOFF(CFS) = 7.50 • EFFECTIVE AREA(ACRES) = 11.00 AVERAGED Fm(INCH /HR) = .485 • TOTAL AREA(ACRES) = 11.00 PEAK FLOW RATE(CFS) = 16.51 TC(MIN) = 19.81 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 421.10 TO NODE 420.10 IS CODE = 6 » » >COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA « « < UPSTREAM ELEVATION(FEET) = 1169.00 DOWNSTREAM ELEVATION(FEET) = 1162.00 • STREET LENGTH(FEET) = 350.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 26.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK(FEET) = 18.00 - INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 "PECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVEL TIME COMPUTED USING MEAN FLOW(CFS) = 16.51 STREET FLOW MODEL RESULTS: STREET FLOW DEPTH(FEET) = .49 HALFSTREET FLOOD WIDTH(FEET) = 10.53 AVERAGE FLOW VELOCITY(FEET /SEC.) = 4.35 PRODUCT OF DEPTH &VELOCITY = 2.13 STREET FLOW TRAVEL TIME(MIN.) = 1.34 TC(MIN.) = 21.15 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.069 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 EFFECTIVE AREA(ACRES) = 11.00 AVERAGED Fm(INCH /HR) = .49 TOTAL AREA(ACRES) = 11.00 PEAK FLOW RATE(CFS) = 16.51 END OF SUBAREA STREET FLOW HYDRAULICS: DEPTH(FEET) = .49 HALFSTREET FLOOD WIDTH(FEET) = 10.53 - FLOW VELOCITY(FEET /SEC.) = 4.35 DEPTH *VELOCITY = 2.13 *******************************************,** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 422.00 TO NODE 422.10 IS CODE = 8 • » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« « < 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.069 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = • 10.00 SUBAREA RUNOFF(CFS) = 14.26 EFFECTIVE AREA(ACRES) = 21.00 • AVERAGED Fm(INCH/HR) = .485 TOTAL AREA(ACRES) = 21.00 PEAK FLOW RATE(CFS) = 29.95 TC(MIN) = 21.15 - ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 422.10 TO NODE 423.10 IS CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA««< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< DEPTH OF FLOW IN 33.0 INCH PIPE IS 26.3 INCHES - PIPE -FLOW VELOCITY(FEET /SEC.) = 5.9 UPSTREAM NODE ELEVATION(FEET) = 1162.00 • DOWNSTREAM NODE ELEVATION(FEET) = 1157.00 FLOW LENGTH(FEET) = 1400.00 MANNING'S N = .013 • ESTIMATED PIPE DIAMETER(INCH) = 33.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 29.95 TRAVEL TIME(MIN.) = 3.95 TC(MIN.) = 25.10 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 423.00 TO NODE 423.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.867 .,.. SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 24.88 EFFECTIVE AREA(ACRES) = 41.00 °° AVERAGED Fm(INCH/HR) = .485 TOTAL AREA(ACRES) = 41.00 44 PEAK FLOW RATE(CFS) = 51.01 TC(MIN) = 25.10 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 423.10 TO NODE 424.10 IS CODE = 3 » »> COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA ««< » USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) ««< DEPTH OF FLOW IN 33.0 INCH PIPE IS 22.1 INCHES IPE -FLOW VELOCITY(FEET /SEC.) = 12.1 UPSTREAM NODE ELEVATION(FEET) = 1157.00 DOWNSTREAM NODE ELEVATION(FEET) = 1135.00 FLOW LENGTH(FEET) = 1400.00 MANNING'S N = .013 - ESTIMATED PIPE DIAMETER(INCH) = 33.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 51.01 - TRAVEL TIME(MIN.) = 1.94 TC(MIN.) = 27.03 . k******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** • FLOW PROCESS FROM NODE 424.00 TO NODE 424.10 IS CODE = 8 - » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.786 SOIL CLASSIFICATION IS "A" - RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 46.84 EFFECTIVE AREA(ACRES) = 81.00 AVERAGED Fm(INCH /HR) = .485 TOTAL AREA(ACRES) = 81.00 - PEAK FLOW RATE(CFS) = 94.85 TC(MIN) = 27.03 - ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 424.10 TO NODE 424.15 IS CODE = 3 » »COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA ««< » »USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) ««< - DEPTH OF FLOW IN 33.0 INCH PIPE IS 24.9 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 19.7 UPSTREAM NODE ELEVATION(FEET) = 1126.00 . DOWNSTREAM NODE ELEVATION(FEET) = 1098.00 FLOW LENGTH(FEET) = 700.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 33.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 94.85 TRAVEL TIME(MIN.) = .59 TC(MIN.) = 27.63 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** - FLOW PROCESS FROM NODE 424.15 TO NODE 425.10 IS CODE = 3 » » > COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA««< » » > USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< ,, DEPTH OF FLOW IN 42.0 INCH PIPE IS 33.2 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 11.6 „„ UPSTREAM NODE ELEVATION(FEET) = 1098.00 DOWNSTREAM NODE ELEVATION(FEET) = 1091.50 FLOW LENGTH(FEET) = 650.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 42.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 94.85 TRAVEL TIME(MIN.) = .93 TC(MIN.) = 28.56 k k***************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** • FLOW PROCESS FROM NODE 425.10 TO NODE 425.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE« «< TOTAL NUMBER OF STREAMS = 2 • CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MIN.) = 28.56 •" RAINFALL INTENSITY(INCH /HR) = 1.73 VERAGED Fm(INCH/HR) = .48 EFFECTIVE STREAM AREA(ACRES) = 81.00 TOTAL STREAM AREA(ACRES) = 81.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 94.85 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 426.00 TO NODE 426.10 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(FEET) = 950.00 UPSTREAM ELEVATION(FEET) = 1168.00 DOWNSTREAM ELEVATION(FEET) = 1153.00 - ELEVATION DIFFERENCE(FEET) = 15.00 TC(MIN = .389 *[( 950.00** 3.00)/( 15.00)] ** .20 = 13.847 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.668 - SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 6, SUBAREA RUNOFF(CFS) = 19.65 TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 19.65 . ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 426.10 TO NODE 427.10 IS CODE = 5 » »COMPUTE TRAPEZOIDAL - CHANNEL FLOW« « < » »TRAVEL TIME THRU SUBAREA « - UPSTREAM NODE ELEVATION(FEET) = 1153.00 DOWNSTREAM NODE ELEVATION(FEET) = 1145.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 700.00 • CHANNEL BASE(FEET) = 40.00 "Z" FACTOR = 99.990 MANNING'S FACTOR = .030 MAXIMUM DEPTH(FEET) = .50 CHANNEL FLOW THRU SUBAREA(CFS) = 19.65 FLOW VELOCITY(FEET /SEC.) = 1.61 FLOW DEPTH(FEET) = .20 - TRAVEL TIME(MIN.) = 7.23 TC(MIN.) = 21.08 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ""` FLOW PROCESS FROM NODE 427.00 TO NODE 427.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.074 • SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 - SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 14.30 EFFECTIVE AREA(ACRES) = 20.00 4+ AVERAGED Fm(INCH/HR) = .485 TOTAL AREA(ACRES) = 20.00 - PEAK FLOW RATE(CFS) = 28.60 TC(MIN) = 21.08 ****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 427.10 TO NODE 428.10 IS CODE = 3 » COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA« » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) ««< - DEPTH OF FLOW IN 33.0 INCH PIPE IS 22.7 INCHES PIPE-FLOW VELOCITY(FEET/SEC.) = 6.6 UPSTREAM NODE ELEVATION(FEET) = 1143.00 OWNSTREAM NODE ELEVATION(FEET) = 1140.00 FLOW LENGTH(FEET) = 650.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 33.00 NUMBER OF PIPES = 1 PIPE-FLOW(CFS) = 28.60 TRAVEL TIME(MIN.) = 1.65 TC(MIN.) = 22.72 * *************************************************************************** - FLOW PROCESS FROM NODE 428.00 TO NODE 428.10 IS CODE = 8 >»»ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<«« - 25 YEAR RAINFALL INTENSITY(INCH/HOUR) = 1.982 SOIL CLASSIFICATION IS "A" 44 * RESIDENTIAL-> 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 26.95 - EFFECTIVE AREA(ACRES) = 40.00 AVERAGED Fm(INCH/HR) = .485 TOTAL AREA(ACRES) = 40.00 PEAK FLOW RATE(CFS) = 53.90 TC(MIN) = 22.72 _**************************************************************************** FLOW PROCESS FROM NODE 428.10 TO NODE 429.10 IStODE = 3 >>>>>COMPUTE PIPE-FLOW TRAVEL TIME THRU SUBAREA«<« - >>>>>USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< SEPTH OF FLOW IN 33.0 INCH PIPE IS 24.2 INCHES PIPE-FLOW VELOCITY(FEET/SEC.) = 11.5 - UPSTREAM NODE ELEVATION(FEET) = 1140.00 DOWNSTREAM NODE ELEVATION(FEET) = 1122.00 FLOW LENGTH(FEET) = 1300.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 33.00 NUMBER OF PIPES = 1 PIPE-FLOW(CFS) = 53.90 . TRAVEL TIME(MIN.) = 1.88 TC(MIN.) = 24.60 * *************************************************************************** - FLOW PROCESS FROM NODE 429.00 TO NODE 429.10 IS CODE = 8 • >»»ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 25 YEAR RAINFALL INTENSITY(INCH/HOUR) = 1.890 SOIL CLASSIFICATION IS "A" 4t2rR RESIDENTIAL-> 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 50.58 EFFECTIVE AREA(ACRES) = 80.00 AVERAGED Fm(INCH/HR) = .485 TOTAL AREA(ACRES) = 80.00 *40 PEAK FLOW RATE(CFS) = 101.16 TC(MIN) = 24.60 -'**************************************************************************** 'LOW PROCESS FROM NODE 429.10 TO NODE 429.15 IS CODE = 3 >»»COMPUTE PIPE-FLOW TRAVEL TIME THRU SUBAREA««< >»»USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<«« DEPTH OF FLOW IN 51.0 INCH PIPE IS 38.6 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 8.8 UPSTREAM NODE ELEVATION(FEET) = 1122.00 DOWNSTREAM NODE ELEVATION(FEET) = 1118.00 FLOW LENGTH(FEET) = 900.00 MANNING'S N = .013 STIMATED PIPE DIAMETER(INCH) = 51.00 NUMBER OF PIPES = 1 PIPE- FLOW(CFS) = 101.16 TRAVEL TIME(MIN.) = 1.71 TC(MIN.) = 26.31 -********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 429.15 TO NODE 425.10 IS CODE = 3 - » » > COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « « < » COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) ««< DEPTH OF FLOW IN 66.0 INCH PIPE IS 50.2'INCHES - PIPE -FLOW VELOCITY(FEET /SEC.) = 5.2 UPSTREAM NODE ELEVATION(FEET) = 1092.00 ' "" DOWNSTREAM NODE ELEVATION(FEET) = 1091.50 FLOW LENGTH(FEET) = 450.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 66.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 101.16 TRAVEL TIME(MIN.) = 1.44 TC(MIN.) = 27.75 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 425.10 TO NODE 425.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< » » >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES ««< - TOTAL NUMBER OF STREAMS = 2 " ONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: DIME OF CONCENTRATION(MIN.) = 27.75 RAINFALL INTENSITY(INCH /HR) = 1.76 AVERAGED Fm(INCH/HR) = .49 EFFECTIVE STREAM AREA(ACRES) = 80.00 TOTAL STREAM AREA(ACRES) = 80.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 101.16 - « RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. ** PEAK FLOW RATE TABLE ** Q(CFS) Tc(MIN.) Fm(INCH /HR) Ae(ACRES) 1 193.62 28.56 .485 161.00 - 2 195.55 27.75 .485 158.70 • COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 195.55 Tc(MIN.) = 27.749 EFFECTIVE AREA(ACRES) = 158.70 AVERAGED Fm(INCH/HR) = .49 TOTAL AREA(ACRES) = 161.00 * ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** • FLOW PROCESS FROM NODE 425.00 TO NODE 425.10 IS CODE = 8 - » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< ' 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.758 - OIL CLASSIFICATION IS "A" _RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 - SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 45.84 EFFECTIVE AREA(ACRES) = 198.70 - AVERAGED Fm(INCH/HR) = .485 TOTAL AREA(ACRES) = 201.00 PEAK FLOW RATE(CFS) = 227.70 TC(MIN) = 27.75 ************************************************************************* PLOW PROCESS FROM NODE 425.10 TO NODE 425.15 IS CODE = 3 >>>»COMPUTE PIPE-FLOW TRAVEL TIME THRU SUBAREA««< >>>»USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW)<<<<< • DEPTH OF FLOW IN 72.0 INCH PIPE IS 57.6 INCHES PIPE-FLOW VELOCITY(FEET/SEC.) = 9.4 - UPSTREAM NODE ELEVATION(FEET) = 1091.50 DOWNSTREAM NODE ELEVATION(FEET) = 1088.00 • FLOW LENGTH(FEET) = 1100.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 72.00 -NUMBER OF PIPES = 1 - PIPE-FLOW(CFS) = 227.70 TRAVEL TIME(MIN.) = 1.95 TC(MIN.) = 29.70 -**************************************************************************** FLOW PROCESS FROM NODE 425.15 TO NODE '430.10 IS CODE = 3 >»»COMPUTE PIPE-FLOW TRAVEL TIME THRU SUBAREA«<<< >>>»USING COMPUTER-ESTIMATED PIPESIZE (NON-PRESSURE FLOW) ««< DEPTH OF FLOW IN 57.0 INCH PIPE IS 41.3 INCHES - PIPE-FLOW VELOCITY(FEET/SEC.) = 16.5 UPSTREAM NODE ELEVATION(FEET) = 1097.00 • DOWNSTREAM NODE ELEVATION(FEET) = 1077.00 FLOW LENGTH(FEET) = 1450.00 MANNING'S N = .013 - ESTIMATED PIPE DIAMETER(INCH) = 57.00 NUMBER OF PIPES = 1 IPE-FLOW(CFS) = 227.70 _RAVEL TIME(MIN.) = 1.46 TC(MIN.) = 31.16 ***********************************4**************************************** FLOW PROCESS FROM NODE 430.10 TO NODE 430.10 IS CODE = 1 - >>>>>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE«<« TOTAL NUMBER OF STREAMS = 2 - CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MIN.) = 31.16 RAINFALL INTENSITY(INCH/HR) = 1.64 AVERAGED Fm(INCH/HR) = .49 - EFFECTIVE STREAM AREA(ACRES) = 198.70 TOTAL STREAM AREA(ACRES) = 201.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 227.70 FLOW PROCESS FROM NODE 431.00 TO NODE 431.10 IS CODE = 2 >»»RATIONAL METHOD INITIAL SUBAREA ANALYSIS««< 1411 DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 5-7 DWELLINGS/ACRE - TC = K*[(LENGTH** 3.00)/(ELEVATION CHANGE)]** .20 INITIAL SUBAREA FLOW-LENGTH(FEET) = 900.00 UPSTREAM ELEVATION(FEET) = 1131.00 - OWNSTREAM ELEVATION(FEET) = 1117.00 ..LEVATION DIFFERENCE(FEET) = 14.00 TC(MIN.) = .389*[( 900.00** 3.00)/( 14.00)]** .20 = 13.592 25 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.698 SOIL CLASSIFICATION IS "A" RESIDENTIAL-> 5-7 DWELLINGS/ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 SUBAREA RUNOFF(CFS) =. 19.92 - TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 19.92 ****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 431.10 TO NODE 432.10 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL - CHANNEL FLOW««< » » > TRAVEL TIME THRU SUBAREA««< UPSTREAM NODE ELEVATION(FEET) = 1117.00 DOWNSTREAM NODE ELEVATION(FEET) = 1104.00 - CHANNEL LENGTH THRU SUBAREA(FEET) = 700.00 CHANNEL BASE(FEET) = 40.00 "Z" FACTOR = 99.990 •+. MANNING'S FACTOR = .030 MAXIMUM DEPTH(FEET) = .50 CHANNEL FLOW THRU SUBAREA(CFS) = 19.92 - FLOW VELOCITY(FEET /SEC.) = 1.72 FLOW DEPTH(FEET) = .19 TRAVEL TIME(MIN.) = 6.77 TC(MIN.) = 20.37 -********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 432.00 TO NODE '432.10 IS. CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.117 SOIL CLASSIFICATION IS "A" - RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES = 10.00 SUBAREA RUNOFF(CFS) = 14.69 - EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH /HR) = .485 - TOTAL AREA(ACRES) = 20.00 "IEAK FLOW RATE(CFS) = 29.37 _C(MIN) = 20.37 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 432.10 TO NODE 433.10 IS CODE = 3 » » >COMPUTE.PIPE -FLOW TRAVEL TIME THRU SUBAREA« « < » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< - DEPTH OF FLOW IN 36.0 INCH PIPE IS 24.7 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 5.7 UPSTREAM NODE ELEVATION(FEET) = 1104.00 DOWNSTREAM NODE ELEVATION(FEET) = 1102.00 FLOW LENGTH(FEET) = 650.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES = 1 • PIPE - FLOW(CFS) = 29.37 TRAVEL TIME(MIN.) = 1.91 TC(MIN.) = 22.27 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 433.00 TO NODE 433.10 IS CODE = 8 • »»>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< - 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.006 SOIL CLASSIFICATION IS "A" • RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 'UBA)2EA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 27.38 ,FFECTIVE AREA(ACRES) = 40.00 AVERAGED Fm(INCH /HR) = .485 TOTAL AREA(ACRES) = 40.00 _ PEAK FLOW RATE(CFS) = 54.77 TC(MIN) = 22.27 k******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 433.10 TO NODE 434.10 IS CODE = 3 » »> COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 33.0 INCH PIPE IS 24.5 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 11.6 UPSTREAM NODE ELEVATION(FEET) = 1102.00 DOWNSTREAM NODE ELEVATION(FEET) = 1084.00 • FLOW LENGTH(FEET) = 1300.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 33.00 NUMBER OF PIPES = 1 • PIPE - FLOW(CFS) = 54.77 TRAVEL TIME(MIN.) = 1.87 TC(MIN.) = x ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 434.00 TO NODE 434.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK 'FLOW««< 25 YEAR RAINFALL INTENSITY(INCH/HOUR) = 1.911 - SOIL CLASSIFICATION IS "A" • RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 51.35 - EFFECTIVE AREA(ACRES) = 80.00 AVERAGED Fm(INCH /HR) = .485 TOTAL AREA(ACRES) = 80.00 PEAK FLOW RAT S) = 102.70 t-, TC(MIN) = ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 434.10 TO NODE 430.10 IS CODE = 3 » » > COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< DEPTH OF FLOW IN 51.0 INCH PIPE IS 36.7 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 9.4 -.. UPSTREAM NODE ELEVATION(FEET) = 1084.00 DOWNSTREAM NODE ELEVATION(FEET) = 1077.00 - FLOW LENGTH(FEET) = 1350.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 51.00 NUMBER OF PIPES = 1 - PIPE - FLOW(CFS) = 102.70 TRAVEL TIME(MIN.) = 2.39 TC(MIN.) = 26.54 "k******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 430.10 TO NODE 430.10 IS CODE = 1 »» >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE ««< » » >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES« «< TOTAL NUMBER OF STREAMS = 2 - CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MIN.) = 26.54 • RAINFALL INTENSITY(INCH /HR) = 1.81 °VERAGED Fm(INCH/HR) = .49 .FFECTIVE STREAM AREA(ACRES) = 80.00 TOTAL STREAM AREA(ACRES) = 80.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 102.70 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. ** PEAK FLOW RATE TABLE ** Q(CFS) Tc(MIN.) Fm(INCH /HR) Ae(ACRES) 317.50 31.16 .485 278.70 2 312.65 32.01 .485 281.00 • 3 324.47 26.54 .485 249.21 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 324.47 Tc(MIN.) = 26.538 • EFFECTIVE AREA(ACRES) = 249.21 AVERAGED Fm(INCH /HR) = .49 TOTAL AREA(ACRES) = 281.00 °********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 430.00 TO NODE 430.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.806 - SOIL CLASSIFICATION IS "A" • RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .48 SUBAREA AREA(ACRES) = 80.00 SUBAREA RUNOFF(CFS) = 95.11 - EFFECTIVE AREA(ACRES) = 329.21 AVERAGED Fm(INCH/HR) = .485 TOTAL AREA(ACRES) = 361.00 PEAK FLOW RATE(CFS) = 391.40 • TC(MIN) = 26.54 ********************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * - FLOW PROCESS FROM NODE 430.10 TO NODE 435.10 IS CODE = 3 .- > »>COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA««< » COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 69.0 INCH PIPE IS 53.0 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 18.3 UPSTREAM NODE ELEVATION(FEET) = 1077.00 DOWNSTREAM NODE ELEVATION(FEET) = 1043.00 -,.. FLOW LENGTH(FEET) = 2650.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 69.00 NUMBER OF PIPES = 1 - PIPE - FLOW(CFS) = 391.40 TRAVEL TIME(MIN.) = 2.42 TC(MIN.) = 28.96 ^********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 435.10 TO NODE . 435.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< • TOTAL NUMBER OF STREAMS = 2 CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: . TIME OF CONCENTRATION(MIN.) = 28.96 RAINFALL INTENSITY(INCH /HR) = 1.71 4 " AVERAGED Fm(INCH/HR) = .48 EFFECTIVE STREAM AREA(ACRES) = 329.21 - TOTAL STREAM AREA(ACRES) = 361.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 391.40 k.. ****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** • FLOW PROCESS FROM NODE 436.00 TO NODE 436.10 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(FEET) = 900.00 UPSTREAM ELEVATION(FEET) = 1095.00 OWNSTREAM ELEVATION(FEET) = 1079.00 ELEVATION DIFFERENCE(FEET) = 16.00 TC(MIN.) = .389 *[( 900.00 ** 3.00)/( 16.00)] ** .20 = 13.233 - 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.742 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 • SUBAREA RUNOFF(CFS) = 20.31 TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 20.31 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 436.10 TO NODE 437.10 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL - CHANNEL FLOW « «<' `°"" » » > TRAVEL TIME THRU SUBAREA««< - - UPSTREAM NODE ELEVATION(FEET) = 1079.00 DOWNSTREAM NODE ELEVATION(FEET) = 1071.00 • CHANNEL LENGTH THRU SUBAREA(FEET) = 550.00 CHANNEL BASE(FEET)' = 40.00 "Z" FACTOR = 99.990 MANNING'S FACTOR = .030 MAXIMUM DEPTH(FEET) = .50 CHANNEL FLOW THRU SUBAREA(CFS) = 20.31 FLOW VELOCITY(FEET /SEC.) = 1.67 FLOW DEPTH(FEET) = .20 TRAVEL TIME(MIN.) = 5.49 TC(MIN.) = 18.73 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 437.00 TO NODE 437.10 IS CODE = 8 » »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.226 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 15.67 EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH/HR) = .485 TOTAL AREA(ACRES) = 20.00 . PEAK FLOW RATE(CFS) = 31.34 TC(MIN) = 18.73 -k******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 437.10 TO NODE 438.10 IS CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< • » » >USING COMPUTER- ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< DEPTH OF FLOW IN 33.0 INCH PIPE IS 24.4 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 6.7 UPSTREAM NODE ELEVATION(FEET) = 1071.00 • DOWNSTREAM NODE ELEVATION(FEET) = 1068.00 FLOW LENGTH(FEET) = 650.00 MANNING'S N = .013 - ESTIMATED PIPE DIAMETER(INCH) = 33.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 31.34 "'" TRAVEL TIME(MIN.) = 1.62 TC(MIN.) = 20.35 k******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** • FLOW PROCESS FROM NODE 438.00 TO NODE 438.10 IS CODE = 8 » » >ADDITI . ON OF SUBAREA TO MAINLINE PEAK FLOW« 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.118 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 UBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 29.39 EFFECTIVE AREA(ACRES) = 40.00 AVERAGED Fm(INCH/HR) = .485 ' TOTAL AREA(ACRES) = 40.00 PEAK FLOW RATE(CFS) = 58.78 • TC(MIN) = 20.35 * ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 438.10 TO NODE 439.10 IS CODE = 3 » » > COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< - DEPTH OF FLOW IN 33.0 INCH PIPE IS 26.4 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 11.5 - UPSTREAM NODE ELEVATION(FEET) = 1068.00 DOWNSTREAM NODE ELEVATION(FEET) = 1049.00 ' FLOW LENGTH(FEET) = 1400.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 33.00 NUMBER OF PIPES = 1 PIPE- FLOW(CFS) = - 58.78 TRAVEL TIME(MIN.) = 2.02 TC(MIN.) = 22.38 4 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** • FLOW PROCESS FROM NODE 439.00 TO NODE 439.10 IS CODE = 8 • » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.001 SOIL CLASSIFICATION IS "A" - RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 SUBAREA AREA(ACRES) = 37.00 SUBAREA RUNOFF(CFS) = 50.47 EFFECTIVE-AREA(ACRES) = 77.00 AVERAGED Fm(INCH/HR) = .485 - TOTAL AREA(ACRES) = 77.00 PEAK FLOW RATE(CFS) = 105.03 TC(MIN) = 22.38 • ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 439.10 TO NODE 435.10 IS CODE = 3 » » > COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) ««< ' DEPTH OF FLOW IN 51.0 INCH PIPE IS 40.0 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 8.8 UPSTREAM NODE ELEVATION(FEET) = 1049.00 DOWNSTREAM NODE ELEVATION(FEET) = 1043.00 FLOW LENGTH(FEET) = 1350.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 51.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 105.03 - TRAVEL TIME(MIN.) = 2.56 TC(MIN.) = 24.93 * ****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** IOW PROCESS FROM NODE 435.10 TO NODE 435.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< • »»>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES« «< TOTAL NUMBER OF STREAMS = 2 - CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MIN.) = 24.93 RAINFALL INTENSITY(INCH /HR) = 1.87 NERAGED Fm(INCH/HR) = .49 EFFECTIVE STREAM AREA(ACRES) = 77.00 TOTAL STREAM AREA(ACRES) = 77.00 • PEAK FLOW RATE(CFS) AT CONFLUENCE = 105.03 • RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. - ** PEAK FLOW RATE TABLE ** Q(CFS) Tc(MIN.) Fm(INCH/HR) Ae(ACRES) - 1 484.27 28.96 .485 406.21 2 454.71 33.59 .485 .435.70 • 3 446.71 34.49 .485 438.00 4 486.19 24.93 .485 360.48 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: - PEAK FLOW RATE(CFS) = 486.19 Tc(MIN.) = 24.933 EFFECTIVE AREA(ACRES) = • 360.48 AVERAGED Fm( INCH /HR) _...- • TOTAL AREA(ACRES) = 438.00 ****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ** ;-FLOW PROCESS FROM NODE 435.00 TO NODE 435.10 IS CODE = 8 ��.. » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< // 25 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.875 SOIL CLASSIFICATION IS "A" ''ESIDENTtAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 IUBAREA AREA(ACRES) = 77.00 SUBAREA RUNOFF(CFS) = 96.32 EFFECTIVE AREA(ACRES). = 437.48 ' AVERAGED Fm(INCH/HR) = .485 1' TOTAL AREA(ACRES) = 515.00 PEAK FLOW RATE(CFS) = 547.24 TC(MIN) = 24.93 ********************** * * * * * * * * * * * * * * * * * * * *4 * * * * * * * ** * * * * * * * * * * * * * * * * * * * * ** - FLOW PROCESS FROM NODE 435.10 TO NODE --. 708.10 IS CODE = 3 • » » >COMPUTE PIPE -FLOW. TRAVEL TIME THRU SUBAREA ««< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) ««< DEPTH OF FLOW IN 78.0 INCH PIPE IS 61.6 INCHES " PIPE -FLOW VELOCITY(FEET /SEC.) = 19.5 UPSTREAM NODE ELEVATION(FEET) = .1043.00 - DOWNSTREAM NODE ELEVATION(FEET) = 1027.00 FLOW LENGTH(FEET) = 1300.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 78.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 547.24 TRAVEL TIME(MIN.) = 1.11 TC(MIN.) = 26.05 soir END OF STUDY SUMMARY: - TOTAL AREA(ACRES) = 515.00 TC(MIN.) = 26.05 EFFECTIVE AREA(ACRES) = 437.48 AVERAGED Fm(INCH /HR)= .48 - PEAK FLOW RATE(CFS) = 547.24 ** PEAK FLOW RATE TABLE * ** Q(CFS) Tc(MIN.) Fm(INCH/HR) Ae(ACRES) 1 534.47 30.07 .485 483:21 " 2 499.63 34.74 .485 512.70 3 490.43 35.64 .485 515.00 4 547.24 26.05 .485 437.48 • END OF RATIONAL METHOD ANALYSIS • • ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE (Reference: 1986 SAN BERNARDINO CO. HYDROLOGY CRITERION) (c) Copyright 1983 -88 Advanced Engineering Software (aes) Ver. 5.2A Release Date: 7/08/88 Serial # 2929 Analysis prepared by: HALL & FOREMAN, INC. • * * * * * * * * * * * * * * * * * * * * * * * * ** DESCRIPTION OF STUDY * * * * * * * * * * * * * * * * * * * * * * * * ** * S. FONTANA MASTER S.D. PLAN: LINE M -7 * -R* Q 100 -YEAR, DESIGN Q - REVISED CALC'S 10/13/93 * * B. EVERSON - J.N. 4042 - SFONTM7.DAT (INPUT), SFONTM7.1OT (OUTPUT) - ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** - FILE NAME: SFONTM7.DAT TIME /DATE OF STUDY: 15:44 10/14/1993 cVY j USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: -- *TIME -OF- CONCENTRATION MODEL*- - USER SPECIFIED STORM EVENT(YEAR) = 100.00 SPECIFIED MINIMUM PIPE SIZE(INCH) = 18.00 SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE = .95 *USER - DEFINED LOGARITHMIC INTERPOLATION USED FOR RAINFALL* 10 -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = .950 ' -YEAR STORM 60- MINUTE INTENSITY(INCH /HOUR) = 1.400 _COMPUTED RAINFALL INTENSITY DATA: STORM EVENT = 100.00 1 -HOUR INTENSITY(INCH /HOUR) = 1.4000 • SLOPE OF INTENSITY DURATION CURVE = .6000 -********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 420.00 TO NODE 420.10 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(FEET) = 800.00 UPSTREAM ELEVATION(FEET) = 1182.00 ` DOWNSTREAM ELEVATION(FEET) = 1170.00 ELEVATION DIFFERENCE(FEET) = 12.00 - TC(MIN.) = .389 *[( 800.00 ** 3.00)/( 12.00)] ** .20 = 13.061 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.495 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA RUNOFF(CFS) = 16.25 4. TOTAL AREA(ACRES) = 6.00 PEAK FLOW RATE(CFS) = 16.25 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** • FLOW PROCESS FROM NODE 420.10 TO NODE 421.10 IS CODE = 6 - »»COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA « «< UPSTREAM ELEVATION(FEET) = 1170.00 DOWNSTREAM ELEVATION(FEET) = 1169.00 STREET LENGTH(FEET) = 600.00 CURB HEIGTH(INCHES) = 6. STREET HALFWIDTH(FEET) = 18.00 "" DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK(FEET) = 10.00 INTERIOR STREET CROSSFALL(DECIMAL) = .020 *" OUTSIDE STREET CROSSFALL(DECIMAL) = .040 SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVEL TIME COMPUTED USING MEAN FLOW(CFS) = 16.25 ** *STREET FLOWING FULL * ** STREET FLOW MODEL RESULTS: NOTE: STREET FLOW EXCEEDS TOP OF CURB. THE FOLLOWING STREET FLOW 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 FLOW DEPTH(FEET) = .67 HALFSTREET FLOOD WIDTH(FEET) = 18.00 AVERAGE FLOW VELOCITY(FEET /SEC.) = 1.67 PRODUCT OF DEPTH &VELOCITY = 1.11' STREET FLOW TRAVEL TIME(MIN.) = 5.97 TC(MIN.) _ '19.03 '" 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.788 SOIL CLASSIFICATION IS ".A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 EFFECTIVE AREA(ACRES) = 6.00 AVERAGED Fm(INCH /HR) = .49 ,,, TOTAL AREA(ACRES) = 6.00 PEAK FLOW RATE(CFS) = 16.25 ENIJ -OF SUBAREA STREET FLOW HYDRAULICS: DEPTH(FEET) = .67 HALFSTREET FLOOD WIDTH(FEET) = 18.00 FLOW VELOCITY(FEET /SEC.) = 1.67 DEPTH *VELOCITY = 1.11 _ - ******************************************** * *** * * * * * * * * * * * * * * * * * * * * * * * * * ** LOW PROCESS FROM NODE 421.00 TO NODE 421.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.788 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 SUBAREA AREA(ACRES) = 5.00 SUBAREA RUNOFF(CFS) = 10.36 • EFFECTIVE AREA(ACRES) = 11.00 AVERAGED Fm(INCH/HR) = .485 - TOTAL AREA(ACRES) = 11.00 PEAK FLOW RATE(CFS) = 22.80 TC(MIN) = 19.03 k******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 421.10 TO NODE 420.10 IS CODE = 6 » » >COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA « «< mr UPSTREAM ELEVATION(FEET) = 1169.00 DOWNSTREAM ELEVATION(FEET) = 1162.00 - STREET LENGTH(FEET) = 350.00 CURB HEIGTH(INCHES) = 8. STREET HALFWIDTH(FEET) = 26.00 DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK(FEET) = 18.00 - INTERIOR STREET CROSSFALL(DECIMAL) = .020 OUTSIDE STREET CROSSFALL(DECIMAL) = .040 PECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 2 * *TRAVEL TIME COMPUTED USING MEAN FLOW(CFS) = 22.80 STREET FLOW MODEL RESULTS: STREET FLOW DEPTH(FEET) = .55 HALFSTREET FLOOD WIDTH(FEET) = 13.34 AVERAGE FLOW VELOCITY(FEET /SEC.) = 4.44 PRODUCT OF DEPTH &VELOCITY = 2.42 STREET FLOW TRAVEL TIME(MIN.) = 1.32 TC(MIN.) = 20.35 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.678 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = .00 SUBAREA RUNOFF(CFS) = .00 EFFECTIVE AREA(ACRES) = 11.00 AVERAGED Fm(INCH/HR) = .49 TOTAL AREA(ACRES) = 11.00 PEAK FLOW RATE(CFS) = 22.80 „, END OF SUBAREA STREET FLOW HYDRAULICS: DEPTH(FEET) = .55 HALFSTREET FLOOD WIDTH(FEET) = 13.34 • FLOW VELOCITY(FEET /SEC.) = 4.44 DEPTH *VELOCITY = 2.42 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** - FLOW PROCESS FROM NODE 422.00 TO NODE 422.10 IS CODE = 8 • » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< '" 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.678 SOIL CLASSIFICATION IS "A" • RESIDENTIAL-> 5- 7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES1 = 10.00 SUBAREA RUNOFF(CFS) = 19.74 EFFECTIVE AREA(ACRES) = 21.00 AVERAGED Fm(INCH /HR) = .485 TOTAL AREA(ACRES) = 21.00 .,„ PEAK FLOW RATE(CFS) = 41.46 TC(MIN) _ 20.35 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 'LOW PROCESS FROM NODE 422.10 TO NODE 423.10 IS CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< - DEPTH OF FLOW IN 39.0 INCH PIPE IS 27.9 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 6.5 UPSTREAM NODE ELEVATION(FEET) = 1162.00 _ DOWNSTREAM NODE ELEVATION(FEET) = 1157.00 FLOW LENGTH(FEET) = 1400.00 MANNING'S N = .013 • ESTIMATED PIPE DIAMETER(INCH) = 39.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 41.46 • TRAVEL TIME(MIN.) = 3.58 TC(MIN.) = 23.93 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** ` FLOW PROCESS FROM NODE 423.00 TO NODE 423.10 IS CODE = 8 - » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLAW « «< um 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.430 SOIL CLASSIFICATION IS "A" RESIDENTIAL - 5 - DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 .1 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 35.02 EFFECTIVE AREA(ACRES) = 41.00 • AVERAGED Fm(INCH/HR) = .485 TOTAL AREA(ACRES) = 41.00 �" PEAK FLOW RATE(CFS) = 71.79 ''C(MIN) = 23.93 _********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 423.10 TO NODE 424.10 IS CODE = 3 » COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA ««< - » » > USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) « «< • OEPTH OF FLOW IN 36.0 INCH PIPE IS 26.2 INCHES IPE -FLOW VELOCITY(FEET /SEC.) = 13.0 UPSTREAM NODE ELEVATION(FEET) = 1157.00 DOWNSTREAM NODE ELEVATION(FEET) = 1135.00 FLOW LENGTH(FEET) = 1400.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 71.79 . TRAVEL TIME(MIN.) = 1.79 TC(MIN.) = 25.72 k******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** • FLOW PROCESS FROM NODE 424.00 TO NODE 424.10 IS CODE = 8 - » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.327 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 66.32 EFFECTIVE AREA(ACRES) = 81.00 AVERAGED Fm(INCH /HR) = .485 TOTAL AREA(ACRES) = 81.00 ..; PEAK FLOW RATE(CFS) = 134.30 TC(MIN) = 25.72 „.********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 424.10 TO NODE 424.15 IS CODE = 3 » »COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA« «< » »USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< - DEPTH OF FLOW IN 39.0 INCH PIPE IS 27.2 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 21.7 UPSTREAM NODE ELEVATION(FEET) = 1126.00 DOWNSTREAM NODE ELEVATION(FEET) = 1098.00 FLOW LENGTH(FEET) = 700.00 MANNING'S N = .013 - ESTIMATED PIPE DIAMETER(INCH) = 39.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 134.30 -- TRAVEL TIME(MIN.) = .54 TC(MIN.) = 26.26 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** - FLOW PROCESS FROM NODE 424.15 TO NODE 425.10 IS CODE = 3 » »> COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< » » > USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< DEPTH OF FLOW IN 48.0 INCH PIPE IS 37.7 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 12.7 ... UPSTREAM NODE ELEVATION(FEET) = 1098.00 DOWNSTREAM NODE ELEVATION(FEET) = 1091.50 FLOW LENGTH(FEET) = 650.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 48.00 NUMBER OF PIPES = 1 - PIPE - FLOW(CFS) = 134.30 TRAVEL TIME(MIN.) = .85 TC(MIN.) = 27.11 k***************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** - FLOW PROCESS FROM NODE 425.10 TO NODE 425.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< TOTAL NUMBER OF STREAMS = 2 - CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MIN.) = 27.11 ''AINFALL INTENSITY(INCH /HR) = 2.25 VERAGED Fm(INCH /HR) = .48 EFFECTIVE STREAM AREA(ACRES) = 81.00 TOTAL STREAM AREA(ACRES) = 81.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 134.30 ..******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 426.00 TO NODE 426.10 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(FEET) = 950. 0 UPSTREAM ELEVATION(FEET) = 1168.00 DOWNSTREAM ELEVATION(FEET) = 1153.00 ELEVATION DIFFERENCE(FEET) = 15.00 • TC(MIN.) = .389*[( 950 ** 3.00)/( 15.00)]** .20 = 13.847 106 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.374 SOIL CLASSIFICATIONd IS "A" RESIDENTIAL -> 5 -7' DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 • SUBAREA RUNOFF(CFS) = 26.00 TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 26.00 ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 426.10 TO NODE 427.10 IS CODE = 5 » »COMPUTE TRAPEZOIDAL - CHANNEL FLOW« >» »TRAVEL TIME THRU SUBAREA««< UPSTREAM NODE ELEVATION(FEET) = 1153.00 „ DOWNSTREAM NODE ELEVATION(FEET) = 1145.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 700.00 -. CHANNEL BASE(FEET) = 40.00 "Z" FACTOR = 99.990 MANNING'S FACTOR = .030 MAXIMUM DEPTH(FEET) = .50 - CHANNEL FLOW THRU SUBAREA(CFS) = 26.00 FLOW VELOCITY(FEET /SEC.) = 1.77 FLOW DEPTH(FEET) = .23 - TRAVEL TIME(MIN.) = 6.60 TC(MIN.) = 20.45 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** - FLOW PROCESS FROM NODE 427.00 TO NODE 427.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.670 • SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 - SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 19.67 EFFECTIVE AREA(ACRES) = 20.00 4 * AVERAGED Fm(INCH /HR) = .485 TOTAL AREA(ACRES) = 20.00 - PEAK FLOW RATE(CFS) = 39.34 TC(MIN) = 20.45 k....****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** • FLOW PROCESS FROM NODE 427.10 TO NODE 428.10 IS CODE = 3 ry » »> COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA ««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) ««< ® DEPTH OF FLOW IN 36.0 INCH PIPE IS 26.5 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 7.1 T NODE ELEVATION(FEET) = 1143.00 OWNSTREAM NODE ELEVATION(FEET) = 1140.00 FLOW LENGTH(FEET) = 650.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 39.34 - TRAVEL TIME(MIN.) = 1.53 TC(MIN.) = 21.99 * ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** . FLOW PROCESS FROM NODE 428.00 TO NODE 428.10 IS CODE = 8 • » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< - 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.557 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 SUBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 37.30 - EFFECTIVE AREA(ACRES) = 40.00 AVERAGED Fm(INCH /HR) = .485 • TOTAL AREA(ACRES) = 40.00 PEAK FLOW RATE(CFS) = 74.59 TC(MIN) = 21.99 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 428.10 TO NODE 429.10 IS CODE = 3 »» >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< - » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) ««< DEPTH OF FLOW IN 36.0 INCH PIPE IS 28.7 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 12.3 - UPSTREAM NODE ELEVATION(FEET) = 1140.00 DOWNSTREAM NODE ELEVATION(FEET) = 1122.00 FLOW LENGTH(FEET) = 1300.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 74.59 TRAVEL TIME(MIN.) = 1.76 TC(MIN.) = 23.74 -********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** • FLOW PROCESS FROM NODE 429.00 TO NODE 429.10 IS CODE = 8 • » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< " 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.442 SOIL CLASSIFICATION IS "A" - RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 • SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 70.44 EFFECTIVE AREA(ACRES) = 80.00 - AVERAGED Fm(INCH /HR) = .485 TOTAL AREA(ACRES) = 80.00 AIP PEAK FLOW RATE(CFS) = 140.88 TC(MIN) = /23.74 ********************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** 'LOW PROCESS FROM NODE 429.10 TO NODE 429.15 IS CODE = 3 » PIPE -FLOW TRAVEL TIME THRU SUBAREA « «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) ««< DEPTH OF FLOW IN 57.0 INCH PIPE IS 44.5 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 9.5 - UPSTREAM NODE ELEVATION(FEET) = 1122.00 DOWNSTREAM NODE ELEVATION(FEET) = 1118.00 FLOW LENGTH(FEET) = 900.00 MANNING'S N = .013 STIMATED PIPE DIAMETER(INCH) = 57.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 140.88 TRAVEL TIME(MIN.) = 1.58 TC(MIN.) = 25.33 k ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** . FLOW PROCESS FROM NODE 429.15 TO NODE 425.10 IS CODE = 3 - » » > COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA« «< » »>USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) ««< DEPTH OF FLOW IN 75.0 INCH PIPE IS 56.6 - PIPE -FLOW VELOCITY(FEET /SEC.) = 5.7 UPSTREAM NODE ELEVATION(FEET) = 1092.00 - DOWNSTREAM NODE ELEVATION(FEET) = 1091.50 FLOW LENGTH(FEET) = 450.00 MANNING'S N = .013 - ESTIMATED PIPE DIAMETER(INCH) = 75.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 140.88 TRAVEL TIME(MIN.) .= 1.32 TC(MIN.) = 26.65 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 425.10 TO NODE 425.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< • » COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< TOTAL NUMBER OF STREAMS = 2 ONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: IME OF CONCENTRATION(MIN.) = 26.65 RAINFALL INTENSITY(INCH /HR) = 2.28 AVERAGED Fm(INCH /HR) = .49 EFFECTIVE STREAM AREA(ACRES) = 80.00 • TOTAL STREAM AREA(ACRES) = 80.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 140.88 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE 'FORMULA USED FOR 2 STREAMS. ** PEAK FLOW RATE TABLE ** Q(CFS) Tc(MIN.) Fm(INCH /HR) Ae(ACRES) 1 273.34 27.11 .485 161.00 - 2 274.64 26.65 .485 159.61 • COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 274.64 Tc(MIN.) = 26.647 EFFECTIVE AREA(ACRES) = 159.61 AVERAGED Fm(INCH /HR) = .48 TOTAL AREA(ACRES) = 161.00 k******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 425.00 TO NODE 425.10 IS CODE = 8 • » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< • 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.278 OIL CLASSIFICATION IS "A" .ESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 64.56 • EFFECTIVE AREA(ACRES) = 199.61 AVERAGED Fm(INCH/HR) = .485 TOTAL AREA(ACRES) = 201.00 PEAK FLOW RATE(CFS) = 322.18 TC(MIN) = 26.65 k***************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** r"LOW PROCESS FROM NODE 425.10 TO NODE 425.15 IS CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA««< »»>USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< • DEPTH OF FLOW IN 84.0 INCH PIPE IS 63.3 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 10.4 UPSTREAM NODE ELEVATION(FEET) = 1091.50 DOWNSTREAM NODE ELEVATION(FEET) = 1088.00 • FLOW LENGTH(FEET) = 1100.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 84.00 \NUMBER OF PIPES = 1 - PIPE - FLOW(CFS) = 322.18 TRAVEL TIME(MIN.) = 1.77 TC(MIN.) = 28.42 -********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE '425.15 TO NODE 430.10 IS. CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA««< » » >USING COMPUTER- ESTIMATED PIPESIZE (NON - PRESSURE FLOW) ««< DEPTH OF FLOW IN 63.0 INCH PIPE IS 49.0 INCHES - PIPE -FLOW VELOCITY(FEET /SEC.) = 17.8 UPSTREAM NODE ELEVATION(FEET) = 1097.00 • DOWNSTREAM NODE ELEVATION(FEET) = 1077.00 FLOW LENGTH(FEET) = 1450.00 MANNING'S N = .013 - ESTIMATED PIPE DIAMETER(INCH) = 63.00 NUMBER OF PIPES = 1 TPE- FLOW(CFS) = 322.18 RAVEL TIME(MIN.) = 1.35 TC(MIN.) = 29.77 k******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** • FLOW PROCESS FROM NODE 430.10 TO NODE 430.10 IS CODE = 1 - » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE« «< TOTAL NUMBER OF STREAMS = 2 - CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MIN.) = 29.77 • RAINFALL INTENSITY(INCH /HR) = 2.13 AVERAGED Fm(INCH /HR) = .49 - EFFECTIVE STREAM AREA(ACRES) = 199.61 TOTAL STREAM AREA(ACRES) = 201.00 "" PEAK FLOW RATE(CFS) AT CONFLUENCE = 322.18 r******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 431.00 TO NODE 431.10 IS CODE = 2 » » >RATIONAL METHOD INITIAL SUBAREA ANALYSIS ««< my- DEVELOPMENT IS SINGLE FAMILY RESIDENTIAL -> 5 -7 DWELLINGS /ACRE • TC = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)] ** .20 INITIAL SUBAREA FLOW - LENGTH(FEET) = 900.00 UPSTREAM ELEVATION(FEET) = 1131.00 '1WNSTREAM ELEVATION(FEET) = 1117.00 ,�EVATION DIFFERENCE(FEET) = 14.00 TC(MIN.) = .389 *[( 900.00 ** 3.00) /( 14.00)] ** .20 = 13.592 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.412 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 SUBAREA RUNOFF(CFS) = 26.35 - TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 26.35 • ************ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** CIF * * * * * * * * * * * * * * * * * * * * * * * * * * * ** r'LOW PROCESS FROM NODE 431.10 TO NODE 432.10 IS CODE = 5 • » » >COMPUTE TRAPEZOIDAL - CHANNEL FLOW « « < » » > TRAVEL TIME THRU SUBAREA« «< UPSTREAM NODE ELEVATION(FEET) = 1117.00 DOWNSTREAM NODE ELEVATION(FEET) = 1104.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 700.00 CHANNEL BASE(FEET) = 40.00 "Z" FACTOR = 99.990 MANNING'S FACTOR = .030 MAXIMUM DEPTH(FEET) = .50 CHANNEL FLOW THRU SUBAREA(CFS) = 26.35 - FLOW VELOCITY(FEET /SEC.) = 1.87 FLOW DEPTH(FEET) = .23 TRAVEL TIME(MIN.) = 6.23 TC(MIN.) = 19.82 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 432.00 TO NODE •432.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « « < 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.721 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 20.12 EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH /HR) = .485 - TOTAL AREA(ACRES) = 20.00 `'EAK FLOW RATE(CFS) = 40.25 C(MIN) = 19.82 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** - FLOW PROCESS FROM NODE 432.10 TO NODE 433.10 IS CODE = 3 - » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « « < » »>USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) ««< DEPTH OF FLOW IN 39.0 INCH PIPE IS 29.0 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 6.1 - UPSTREAM NODE ELEVATION(FEET) = 1104.00 DOWNSTREAM NODE ELEVATION(FEET) = 1102.00 - FLOW LENGTH(FEET) = 650.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 39.00 NUMBER OF PIPES = 1 ° PIPE - FLOW(CFS) = 40.25 TRAVEL TIME(MIN.) = 1.78 TC(MIN.) = 21.60 * ******************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 433.00 TO NODE 433.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « « < - 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.584 SOIL CLASSIFICATION IS "A" • RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 c AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 37.79 FFECTIVE AREA(ACRES) = 40.00 AVERAGED Fm(INCH /HR) = .485 • TOTAL AREA(ACRES) = 40.00 PEAK FLOW RATE(CFS) = 75.58 TC(MIN) = 21.60 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 433.10 TO NODE 434.10 IS CODE = 3 » »> COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA « « < » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) ««< DEPTH OF FLOW IN 36.0 INCH PIPE IS 29.1 INCHES "' PIPE -FLOW VELOCITY(FEET /SEC.) = 12.3 UPSTREAM NODE ELEVATION(FEET) = 1102.00 DOWNSTREAM NODE ELEVATION(FEET) = 1084.00 FLOW LENGTH(FEET) = 1300.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES = 1 • PIPE - FLOW(CFS) = 75.58 TRAVEL TIME(MIN.) = 1.76 TC(MIN.) = .23.36 ********************************************* * * * * * * ** * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 434.00 TO NODE 434.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK'FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.466 - SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = 40.00 SUBAREA RUNOFF(CFS) = 71.31 R , EFFECTIVE AREA(ACRES) = 80.00 AVERAGED Fm(INCH/HR) = .4 "- . . TOTAL AREA(ACRES) = 80.00 PEAK FLOW RAT FS) = 142.63 -� TC(MIN) = 123.3 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 434.10 TO NODE 430.10 IS CODE = 3 m » » > COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< DEPTH OF FLOW IN 57.0 INCH PIPE IS 42.1 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 10.2 - UPSTREAM NODE ELEVATION(FEET) = 1084.00 DOWNSTREAM NODE ELEVATION(FEET) = 1077.00 - FLOW LENGTH(FEET) = 1350:00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 57.00 NUMBER OF PIPES = 1 - PIPE - FLOW(CFS) = 142.63 TRAVEL TIME(MIN.) = 2.21 TC(MIN.) = 25.57 -********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 430.10 TO NODE 430.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE ««< » » >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< TOTAL NUMBER OF STREAMS = 2 - CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MIN.) = 25.57 • RAINFALL INTENSITY(INCH /HR) = 2.34 AVERAGED Fm(INCH/HR) = .49 FFECTIVE STREAM AREA(ACRES) = 80.00 TOTAL STREAM AREA(ACRES) = 80.00 •` PEAK FLOW RATE(CFS) AT CONFLUENCE = 142.63 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. ** PEAK FLOW RATE TABLE ** Q(CFS) Tc(MIN.) Fm(INCH /HR) Ae(ACRES) 449.10 29.77 .485 279.61 2 445.56 30.24 .485 281.00 3 453.57 25.57 .485 251.42 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: "' PEAK FLOW RATE(CFS) = 453.57 Tc(MIN.) = 25.567 EFFECTIVE AREA(ACRES) = 251.42 AVERAGED Fm(INCH /HR) = .49 TOTAL AREA(ACRES) = 281.00 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 430.00 TO NODE . 430.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK'FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.336 - SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 - SUBAREA AREA(ACRES) = 80.00 SUBAREA RUNOFF(CFS) = 133.25 EFFECTIVE AREA(ACRES) = 331.42 - AVERAGED Fm(INCH /HR) = .485 TOTAL AREA(ACRES) = 361.00 - PEAK FLOW RATE(CFS) = 552.01 TC(MIN) = 25.57 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 430.10 TO NODE 435.10 IS CODE = 3 » »COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA ««< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) ««< DEPTH OF FLOW IN 78.0 INCH PIPE IS 60.9 INCHES - PIPE -FLOW VELOCITY(FEET /SEC.) = 19.9 UPSTREAM NODE ELEVATION(FEET) = 1077.00 • DOWNSTREAM NODE ELEVATION(FEET) = 1043.00 FLOW LENGTH(FEET) = 2650.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 78.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 552.01 TRAVEL TIME(MIN.) = 2.22 TC(MIN.) = 27.79 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 435.10 TO NODE 435.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE ««< TOTAL NUMBER OF STREAMS = 2 CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MIN.) = 27.79 RAINFALL INTENSITY(INCH /HR) = 2.22 • AVERAGED Fm(INCH/HR) = .49 EFFECTIVE STREAM AREA(ACRES) = 331.42 _ TOTAL STREAM AREA(ACRES) = 361.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 552.01 ****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 436.00 TO NODE 436.10 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(FEET) = 900.00 UPSTREAM ELEVATION(FEET) = 1095.00 OWNSTREAM ELEVATION(FEET) = 1079.00 ELEVATION DIFFERENCE(FEET) = 16.00 TC(MIN.) = .389 *[( 900.00 ** 3.00)/( 16.00)] ** .20 = 13.233 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 3.467 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA RUNOFF(CFS) = 26.84 • TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 26.84 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 436.10 TO NODE . 437.10 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL - CHANNEL FLOW< « - �. » »> TRAVEL TIME THRU SUBAREA«<« r - UPSTREAM NODE ELEVATION(FEET) = 1079.00 DOWNSTREAM NODE ELEVATION(FEET) = 1071.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 550.00 CHANNEL BASE(FEET)' = 40.00 "Z" FACTOR = 99.990 - MANNING'S FACTOR = .030 MAXIMUM DEPTH(FEET) = .50 CHANNEL FLOW THRU SUBAREA(CFS) = 26.84 • FLOW VELOCITY(FEET /SEC.) = 1.82 FLOW DEPTH(FEET) = .23 TRAVEL TIME(MIN.) = 5.03 TC(MIN.) = 18.26 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 437.00 TO NODE 437.10 IS CODE = 8 » »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< - 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.858 SOIL CLASSIFICATION IS "A" -* RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = 10.00 SUBAREA RUNOFF(CFS) = 21.36 - EFFECTIVE AREA(ACRES) = 20.00 AVERAGED Fm(INCH /HR) = .485 TOTAL AREA(ACRES) = 20.00 PEAK FLOW RATE(CFS) = 42.72 TC(MIN) = 18.26 ,_********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 437.10 TO NODE 438.10 IS CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA««< • » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) ««< DEPTH OF FLOW IN 36.0 INCH PIPE IS 28.5 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 7.1 UPSTREAM NODE ELEVATION(FEET) = 1071.00 DOWNSTREAM NODE ELEVATION(FEET) = 1068.00 FLOW LENGTH(FEET) = 650.00 MANNING'S N = .013 • ESTIMATED PIPE DIAMETER(INCH) = 36.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 42.72 • TRAVEL TIME(MIN.) = 1.52 TC(MIN.) = 19.78 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** • FLOW PROCESS FROM NODE 438.00 TO NODE 438.10 IS CODE = 8 » » > ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< TOTAL NUMBER OF STREAMS = 2 - CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MIN.) = 23.99 RAINFALL INTENSITY(INCH /HR) = 2.43 VERAGED Fm(INCH /HR) = .49 EFFECTIVE STREAM AREA(ACRES) = 77.00 TOTAL STREAM AREA(ACRES) = 77.00 • PEAK FLOW RATE(CFS) AT CONFLUENCE = 145.39 • RAINFALL INTENSITY AND. TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. M ** PEAK FLOW RATE TABLE ** Q(CFS) Tc(MIN.) Fm(INCH /HR) Ae(ACRES) 1 682.04 27.79 .485 408.42 2 649.49 32.00 .485 ,436.61 • 3 643.79 32.47 .485 438.00 4 678.13 23.99 .485 363.07 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: • PEAK FLOW RATE(CFS) = 682.04 Tc(MIN.) = 27.792 EFFECTIVE AREA(ACRES) = 408.42 AVERAGED Fm(INCH/HR) = .49 " TOTAL AREA(ACRES) = 438.00 * * * * * * * * ** * ****** I* r * * * * * * * * * * * * * * * * * * * * * * * * * */** FLOW PROCESS FROM NODE 435.00 TO NODE 435.10 IS CODE = 8 - » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< / r mr- 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.222 - SOIL CLASSIFICATION IS "A" `ESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 WUBAREA AREA(ACRES) = 77.00 SUBAREA RUNOFF(CFS) = 120.35 EFFECTIVE AREA(ACRES) = 485.42 \.. AVERAGED Fm(INCH /HR) = .485 TOTAL AREA(ACRES) = 515.00 PEAK FLOW RATE(CFS) = 758.69 \„„ TC(MIN) = 27.79 /6 (r3 (`-!`4 ( ** PEAK FLOW RATE TABLE ** v '., Q(CFS) Tc(MIN.) Fm(INCH /HR) Ae(ACRES) 1 758.69 27.79 .485 485.42 2 719.38 32.00 .485 513.61 C 3 713.11 32.47 .485 515.00 4 769.03 23.99 .485 440.07 � NEW PEAK FLOW DATA ARE: PEAK FLOW RATE(CFS) = 769.03 Tc(MIN.) = 23.99 AVERAGED Fm(INCH/HR) = .49 EFFECTIVE AREA(ACRES) 440.07 ...,1-.."?.."'':::::.1"-'1.'-C4. 74."- * \'#'\k' \ - ' `'******* * * * ** * * * * * * * * * * * * * * * ** **** *' * * * * * * *5 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 435.10 TO NODE -_ 708.10IS CODE = 3 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA« «< » » >USING COMPUTER - ESTIMATED PIPESIZE (NON- PRESSURE FLOW) ««< DEPTH OF FLOW IN 90.0 INCH PIPE IS 68.4 INCHES - PIPE -FLOW VELOCITY(FEET /SEC.) = 21.3 UPSTREAM NODE ELEVATION(FEET) = 1043.00 - DOWNSTREAM NODE ELEVATION(FEET) = 1027.00 'LOW' LENGTH(FEET) = 1300.00 MANXING!S N = .013 ESTIMATED PIPE DIAMETERjINCH) 90.00 MBER OF PIPES = 1 PIPE -FLOW (CFS) = 69,.x, `. F,os:�_._,_ TRAVEL TIME(MIN.) = 1.02 TC MIN.) = 25.00 END OF STUDY SUMMARY: TOTAL AREA(ACRES) = 515.00 TC(MIN.) = 25.00 t, -e= EFFECTIVE AREA(ACRES) = 440.07 AVERAGED Fm(INCH /HR)= .49 PEAK FLOW RATE(CFS) = 769.03 , :,a * ** PEAK FLOW RATE TABLE * ** i ` Q(CFS) TC(MIN.) Fm(INCH /HR) Ae(ACRES) i° \ 4 ' 2 ' 1 758.69 28.81 .485 485.42 4- ai 2 719.38 33.04 .485 513.61 3 713.11 33.51 .485 515.00 t` ' f - e ms , i 4 769.03 25.00 .485 440.07 ' --' END OF RATIONAL METHOD ANALYSIS ■ 44 v. • 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.724 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 UBAREA AREA(ACRES) = 20.00 SUBAREA RUNOFF(CFS) = 40.31 EFFECTIVE AREA(ACRES) = 40.00 AVERAGED Fm(INCH /HR) = .485 • TOTAL AREA(ACRES) = 40.00 PEAK FLOW RATE(CFS) =. 80.61 - TC(MIN) = 19.78 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 438.10 TO NODE 439.10 IS CODE = 3 » » > COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA ««< - » » >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) « «< DEPTH OF FLOW IN 39.0 INCH PIPE IS 27.9 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 12.7 • UPSTREAM NODE ELEVATION(FEET) = 1068.00 DOWNSTREAM NODE ELEVATION(FEET) = 1049.00 • FLOW LENGTH(FEET) = 1400.00 MANNING'S N = .013 ESTIMATED PIPE DIAMETER(INCH) = 39.00 NUMBER OF PIPES = 1 • PIPE - FLOW(CFS) = 80.61 TRAVEL TIME(MIN.) = 1.84 TC(MIN.) = 21.62 .. ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** • FLOW PROCESS FROM NODE 439.00 TO NODE 439.10 IS CODE = 8 - » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.583 SOIL CLASSIFICATION IS "A" • RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = 37.00 SUBAREA RUNOFF(CFS) = 69.86 " EFFECTIVE AREA(ACRES) = 77.00 AVERAGED Fm(INCH/HR) = .485 - TOTAL AREA(ACRES) = 77.00 PEAK FLOW RATE CFS) = 145.39 • TC(MIN) = /21.62 : .,********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 439.10 TO NODE 435.10 IS CODE = 3 » » > COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA««< »» >USING COMPUTER - ESTIMATED PIPESIZE (NON - PRESSURE FLOW) ««< - DEPTH OF FLOW IN 57.0 INCH PIPE IS 46.0 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 9.5 UPSTREAM NODE ELEVATION(FEET) = 1049.00 DOWNSTREAM NODE ELEVATION(FEET) = 1043.00 FLOW LENGTH(FEET) = 1350.00 MANNING'S N = .013 • ESTIMATED PIPE DIAMETER(INCH) = 57.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 145.39 TRAVEL TIME(MIN.) = 2.37 TC(MIN.) = 23.99 *-'****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** LOW PROCESS FROM NODE 435.10 TO NODE 435.10 IS CODE = 1 - » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< » » >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES ««< ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE (Reference: 198 -4 *'******************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE (Reference: 1986 SAN BERNARDINO CO. HYDROLOGY CRITERION) (c) Copyright 1983 -88 Advanced Engineering Software (aes) � Ver. 5.2A Release Date: 7/08/88 Serial # 2929 Analysis prepared by: HALL & FOREMAN, INC. - * * * * * * * * * * * * * * * * * * * * * * * * ** DESCRIPTION OF STUDY * * * * * * * * * * * * * * * * * * * * * * * * ** * 100 Year Hydrology Calc's for Mulberry Channel - North Side of I -10 Fwy * * Fontana Master Plan of Drainage - South J.N. 4042 By: RCE * Run Date: 1/31/92 Input File: SFONTM.DAT Output File: SFONTM.10T - ******************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** • FILE NAME: SFONTM.DAT TIME /DATE OF STUDY: 14:59 1/31/1992 USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION: ., -- *TIME -OF- CONCENTRATION MODEL*- - USER SPECIFIED STORM EVENT(YEAR) = 100.00 SPECIFIED MINIMUM PIPE SIZE(INCH) = 108.00 • SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE = .85 'USER- DEFINED LOGARITHMIC INTERPOLATION USED FOR RAINFALL* SLOPE OF INTENSITY DURATION CURVE = .6000 USER SPECIFIED 1 -HOUR INTENSITY(INCH /HOUR) = 1.3500 A ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 700.10 TO NODE 700.10 IS CODE = 7 » » >USER SPECIFIED HYDROLOGY INFORMATION AT NODE««< USER - SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN.) = 19.80 RAINFALL INTENSITY(INCH /HR) = 2.63 • EFFECTIVE AREA(ACRES) = 487.30 TOTAL AREA(ACRES) = 585.40 PEAK FLOW RATE(CFS) = 1163.00 AVERAGED LOSS RATE, Fm(INCH /HR) = .350 NOTE: EFFECTIVE AREA IS USED AS THE TOTAL CONTRIBUTING AREA FOR ALL CONFLUENCE ANALYSES. ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 700.10 TO NODE 701.10 IS CODE = 5 » »>COMPUTE TRAPEZOIDAL - CHANNEL FLOW ««< » »>TRAVEL TIME THRU SUBAREA « «< UPSTREAM NODE ELEVATION(FEET) = 1082.10 DOWNSTREAM NODE ELEVATION(FEET) = 1071.60 CHANNEL LENGTH THRU SUBAREA(FEET) = 1272.00 CHANNEL BASE(FEET) = 12.00 "Z" FACTOR = 1.500 - MANNING'S FACTOR = .015 MAXIMUM DEPTH(FEET) = 3.50 CHANNEL FLOW THRU SUBAREA(CFS) = 1163.00 == »ERROR: FLOW IN CHANNEL EXCEEDS CHANNEL CAPACITY( NORMAL DEPTH EQUAL TO SPECIFIED MAXIMUM ALLOWABLE DEPTH). AS AN APPROXIMATION, FLOWDEPTH IS SET AT MAXIMUM ALLOWABLE DEPTH AND IS USED FOR TRAVEL TIME CALCULATIONS. FLOW VELOCITY(FEET /SEC.) = 19.26 FLOW DEPTH(FEET) = 3.50 TRAVEL TIME(MIN.) = 1.10 TC(MIN.) = 20.90 == >FLOWDEPTH EXCEEDS MAXIMUM ALLOWABLE DEPTH ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 701.00 TO NODE 701.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.542 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = 41.00 SUBAREA RUNOFF(CFS) = 75.89 EFFECTIVE AREA(ACRES) = 528.30 AVERAGED Fm(INCH/HR) = .360 TOTAL AREA(ACRES) = 626.40 PEAK FLOW RATE(CFS) = 1163.00 TC(MIN) = 20.90 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 701.10 TO NODE 701.20 IS CODE = 5 .» »COMPUTE TRAPEZOIDAL - CHANNEL FLOW « «< >» »TRAVEL TIME THRU SUBAREA« «< UPSTREAM NODE ELEVATION(FEET) = 1071.60 DOWNSTREAM NODE ELEVATION(FEET) = 1068.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 750.00 CHANNEL BASE(FEET) = 12.00 "Z" FACTOR = 1.500 MANNING'S FACTOR = .015 MAXIMUM DEPTH(FEET) = 4.00 CHANNEL FLOW THRU SUBAREA(CFS) = 1163.00 == »ERROR: FLOW IN CHANNEL EXCEEDS CHANNEL CAPACITY( NORMAL DEPTH EQUAL TO SPECIFIED MAXIMUM ALLOWABLE DEPTH). AS AN APPROXIMATION, FLOWDEPTH IS SET AT MAXIMUM ALLOWABLE DEPTH AND IS USED FOR TRAVEL TIME CALCULATIONS. FLOW VELOCITY(FEET /SEC.) = 16.15 FLOW DEPTH(FEET) = 4.00 TRAVEL TIME(MIN.) = .77 TC(MIN.) = 21.67 == >FLOWDEPTH EXCEEDS MAXIMUM ALLOWABLE DEPTH ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 701.20 TO NODE 701.10 IS CODE = 5 » »> COMPUTE TRAPEZOIDAL - CHANNEL FLOW« «< » »> TRAVEL TIME THRU SUBAREA««< - UPSTREAM NODE ELEVATION(FEET) = 1068.00 DOWNSTREAM NODE ELEVATION(FEET) = 1066.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 750.00 CHANNEL BASE(FEET) = 40.00 "Z" FACTOR = 1.500 MANNING'S FACTOR = .015 MAXIMUM DEPTH(FEET) = 3.00 CHANNEL FLOW THRU SUBAREA(CFS) = 1163.00 - FLOW VELOCITY(FEET /SEC.) = 9.33 FLOW DEPTH(FEET) = 2.82 TRAVEL TIME(MIN.) = 1.34 TC(MIN.) = 23.01 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 702.00 TO NODE 702.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.399 SOIL CLASSIFICATION IS "A" COMMERCIAL SUBAREA LOSS RATE, Fm(INCH /HR) = .0970 SUBAREA AREA(ACRES) = 45.00 SUBAREA RUNOFF(CFS) = 93.23 EFFECTIVE AREA(ACRES) = 573.30 AVERAGED Fm(INCH /HR) = .340 - TOTAL AREA(ACRES) = 671.40 PEAK FLOW RATE(CFS) = 1163.00 TC(MIN) = 23.01 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 702.10 TO NODE 703.10 IS CODE = 5 » »>COMPUTE TRAPEZOIDAL - CHANNEL FLOW««< » »> TRAVEL TIME THRU SUBAREA « «< UPSTREAM NODE ELEVATION(FEET) = 1066.00 DOWNSTREAM NODE ELEVATION(FEET) = 1063.50 CHANNEL LENGTH THRU SUBAREA(FEET) = 1400.00 CHANNEL BASE(FEET) = 50.00 "Z" FACTOR = 1.500 • MANNING'S FACTOR = .015 MAXIMUM DEPTH(FEET) = 3.00 ;HANNEL FLOW THRU SUBAREA(CFS) = 1163.00 • FLOW VELOCITY(FEET /SEC.) = 7.70 FLOW DEPTH(FEET) = 2.79 TRAVEL TIME(MIN.) = 3.03 TC(MIN.) = 26.05 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 703.00 TO NODE 703.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.227 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = 45.00 SUBAREA RUNOFF(CFS) = 70.56 - EFFECTIVE AREA(ACRES) = 618.30 AVERAGED Fm(INCH /HR) = .350 - TOTAL AREA(ACRES) = 716.40 PEAK FLOW RATE(CFS) = 1163.00 TC(MIN) = 26.05 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 703.10 TO NODE 703.20 IS CODE = 5 » »>COMPUTE TRAPEZOIDAL - CHANNEL FLOW««< » »> TRAVEL TIME THRU SUBAREA««< TJPSTREAM NODE ELEVATION(FEET) = 1063.50 DOWNSTREAM NODE ELEVATION(FEET) = 1062.90 - CHANNEL LENGTH THRU SUBAREA(FEET) = 500.00 CHANNEL BASE(FEET) = 50.00 "Z" FACTOR = 1.500 • MANNING'S FACTOR = .015 MAXIMUM DEPTH(FEET) = 3.00 CHANNEL FLOW THRU SUBAREA(CFS) = 1163.00 == »ERROR: FLOW IN CHANNEL EXCEEDS CHANNEL CAPACITY( NORMAL DEPTH EQUAL TO SPECIFIED MAXIMUM ALLOWABLE DEPTH). AS AN APPROXIMATION, FLOWDEPTH IS SET AT MAXIMUM ALLOWABLE DEPTH AND IS USED FOR TRAVEL TIME CALCULATIONS. FLOW VELOCITY(FEET /SEC.) = 7.11 FLOW DEPTH(FEET) = 3.00 TRAVEL TIME(MIN.) = 1.17 TC(MIN.) = 27.22 == >FLOWDEPTH EXCEEDS MAXIMUM ALLOWABLE DEPTH ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 703.20 TO NODE 704.10 IS CODE = 5 • » » >COMPUTE TRAPEZOIDAL - CHANNEL FLOW««< » »> TRAVEL TIME THRU SUBAREA««< UPSTREAM NODE ELEVATION(FEET) = 1062.90 DOWNSTREAM NODE ELEVATION(FEET) = 1050.90 CHANNEL LENGTH THRU SUBAREA(FEET) = 920.00 CHANNEL BASE(FEET) = 20.00 "Z" FACTOR = 1.500 MANNING'S FACTOR = .015 MAXIMUM DEPTH(FEET) = 3.00 CHANNEL FLOW THRU SUBAREA(CFS) = 1163.00 FLOW VELOCITY(FEET /SEC.) = 18.67 FLOW DEPTH(FEET) = 2.61 TRAVEL TIME(MIN.) = .82 TC(MIN.) = 28.04 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 704.00 TO NODE 704.10 IS CODE = 8 » »ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.131 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = 45.00 SUBAREA RUNOFF(CFS) = 66.66 EFFECTIVE AREA(ACRES) = 663.30 AVERAGED Fm(INCH /HR) = .359 TOTAL AREA(ACRES) = 761.40 PEAK FLOW RATE(CFS) = 1163.00 - TC(MIN) = 28.04 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** • FLOW PROCESS FROM NODE 704.10 TO NODE 705.10 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL - CHANNEL FLOW« «< » » > TRAVEL TIME THRU SUBAREA« «< UPSTREAM NODE ELEVATION(FEET) = 1050.90 DOWNSTREAM NODE ELEVATION(FEET) = 1043.60 CHANNEL LENGTH THRU SUBAREA(FEET) = 1350.00 CHANNEL BASE(FEET) = 20.00 "Z" FACTOR = 1.500 MANNING'S FACTOR = .015 MAXIMUM DEPTH(FEET) = 3.00 CHANNEL FLOW THRU SUBAREA(CFS) = 1163.00 == »ERROR: FLOW IN CHANNEL EXCEEDS CHANNEL CAPACITY( NORMAL DEPTH EQUAL TO SPECIFIED MAXIMUM ALLOWABLE DEPTH). AS AN APPROXIMATION, FLOWDEPTH IS SET AT MAXIMUM ALLOWABLE DEPTH AND IS USED FOR TRAVEL TIME CALCULATIONS. FLOW VELOCITY(FEET /SEC.) = 15.82 FLOW DEPTH(FEET) = 3.00 TRAVEL TIME(MIN.) = 1.42 TC(MIN.) = 29.46 - == >FLOWDEPTH EXCEEDS MAXIMUM ALLOWABLE DEPTH - * w******************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 705.00 TO NODE 705.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.069 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = 46.00 SUBAREA RUNOFF(CFS) = 65.56 - EFFECTIVE AREA(ACRES) = 709.30 AVERAGED Fm(INCH/HR) = .368 - TOTAL AREA(ACRES) = 807.40 PEAK FLOW RATE(CFS) = 1163.00 TC(MIN) = 29.46 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 705.10 TO NODE 705.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< TOTAL NUMBER OF STREAMS = 2 CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MIN.) = 29.46 RAINFALL INTENSITY(INCH /HR) = 2.07 AVERAGED Fm(INCH /HR) = .37 EFFECTIVE STREAM AREA(ACRES) = 709.30 'OTAL STREAM AREA(ACRES) = 807.40 PEAK FLOW RATE(CFS) AT CONFLUENCE = 1163.00 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 283.00 TO NODE 705.10 IS CODE = 7 » »>USER SPECIFIED HYDROLOGY INFORMATION AT NODE« «< USER - SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN.) = 30.60 RAINFALL INTENSITY(INCH /HR) = 2.02 EFFECTIVE AREA(ACRES) = 1678.50 TOTAL AREA(ACRES) = 1806.00 PEAK FLOW RATE(CFS) = 2915.00 AVERAGED LOSS RATE, Fm(INCH /HR) = .370 NOTE: EFFECTIVE AREA IS USED AS THE TOTAL CONTRIBUTING AREA FOR ALL CONFLUENCE ANALYSES. ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 705.10 TO NODE 705.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< » » >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES««< TOTAL NUMBER OF STREAMS = 2 • CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MIN.) = 30.60 - RAINFALL INTENSITY(INCH /HR) = 2.02 .VERAGED Fm(INCH/HR) = .37 - EFFECTIVE STREAM AREA(ACRES) = 1678.50 TOTAL STREAM AREA(ACRES) = 1806.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 2915.00 - RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. ** PEAK FLOW RATE TABLE ** Q(CFS) Tc(MIN.) Fm(INCH /HR) Ae(ACRES) 4048.56 29.46 .369 2325.30 2 4046.16 30.60 .369 2387.80 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 4048.56 Tc(MIN.) = 29.461 EFFECTIVE AREA(ACRES) = 2325.30 AVERAGED Fm(INCH/HR) = .37 TOTAL AREA(ACRES) = 2613.40 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** - FLOW PROCESS FROM NODE 705.10 TO NODE 706.10 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL - CHANNEL FLOW « «< » »> TRAVEL TIME THRU SUBAREA« «< UPSTREAM NODE ELEVATION(FEET) = 1036.60 - DOWNSTREAM NODE ELEVATION(FEET) = 1032.80 CHANNEL LENGTH THRU SUBAREA(FEET) = 1450.00 CHANNEL BASE(FEET) = 40.00 "Z" FACTOR = .000 MANNING'S FACTOR = .015 MAXIMUM DEPTH(FEET) = 6.00 CHANNEL FLOW THRU SUBAREA(CFS) = 4048.56 == »ERROR: FLOW IN CHANNEL EXCEEDS CHANNEL CAPACITY( NORMAL DEPTH EQUAL TO SPECIFIED MAXIMUM ALLOWABLE DEPTH). AS AN APPROXIMATION, FLOWDEPTH IS SET AT MAXIMUM ALLOWABLE DEPTH AND IS USED FOR TRAVEL TIME CALCULATIONS. 'LOW VELOCITY(FEET /SEC.) = 16.87 FLOW DEPTH(FEET) = 6.00 £RAVEL TIME(MIN.) = 1.43 TC(MIN.) = 30.89 == >FLOWDEPTH EXCEEDS MAXIMUM ALLOWABLE DEPTH ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 706.00 TO NODE 706.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 2.011 SOIL CLASSIFICATION IS "A" CONDOMINIUMS SUBAREA LOSS RATE, Fm(INCH /HR) = .3395 SUBAREA AREA(ACRES) = 46.00 SUBAREA RUNOFF(CFS) = 69.18 - EFFECTIVE AREA(ACRES) = 2371.30 AVERAGED Fm(INCH /HR) = .369 TOTAL AREA(ACRES) = 2659.40 PEAK FLOW RATE(CFS) = 4048.56 TC(MIN) = 30.89 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 706.10 TO NODE 706.10 IS CODE = 1 » »>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE « «< _ 'OTAL NUMBER OF STREAMS = 2 - CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MIN.) = 30.89 "° RAINFALL INTENSITY(INCH /HR) = 2.01 AVERAGED Fm(INCH /HR) = .37 - EFFECTIVE STREAM AREA(ACRES) = 2371.30 TOTAL STREAM AREA(ACRES) = 2659.40 - PEAK FLOW RATE(CFS) AT CONFLUENCE = 4048.56 :****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 415.00 TO NODE 706.10 IS CODE = 7 » » >USER SPECIFIED HYDROLOGY INFORMATION AT NODE« «< USER - SPECIFIED VALUES ARE AS FOLLOWS: TC(MIN.) = 27.40 RAINFALL INTENSITY(INCH/HR) = 2.16 EFFECTIVE AREA(ACRES) = 417.80 - TOTAL AREA(ACRES) = 447.00 PEAK FLOW RATE(CFS) = 681.30 AVERAGED LOSS RATE, Fm(INCH /HR) = .480 NOTE: EFFECTIVE AREA IS USED AS THE TOTAL CONTRIBUTING AREA FOR ALL CONFLUENCE ANALYSES. ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 706.10 TO NODE 706.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< » »>AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES « «< TOTAL NUMBER OF STREAMS = 2 CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MIN.) = 27.40 RAINFALL INTENSITY(INCH /HR) = 2.16 AVERAGED Fm(INCH /HR) = .48 EFFECTIVE STREAM AREA(ACRES) = 417.80 TOTAL STREAM AREA(ACRES) = 447.00 - PEAK FLOW RATE(CFS) AT CONFLUENCE = 681.30 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. ** PEAK FLOW RATE TABLE ** Q(CFS) Tc(MIN.) Fm(INCH /HR) Ae(ACRES) ry 1 4669.02 30.89 .385 2789.10 2 4649.09 32.03 .385 2851.60 3 4600.33 27.40 .387 2520.97 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 4669.02 Tc(MIN.) = 30.893 EFFECTIVE AREA(ACRES) = 2789.10 AVERAGED Fm(INCH /HR) = .39 TOTAL AREA(ACRES) = 3106.40 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 706.10 TO NODE 707.10 IS CODE = 5 » »> COMPUTE TRAPEZOIDAL - CHANNEL FLOW« «< » »> TRAVEL TIME THRU SUBAREA««< UPSTREAM NODE ELEVATION(FEET) = 1032.80 DOWNSTREAM NODE ELEVATION(FEET) = 1023.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1180.00 CHANNEL BASE(FEET) = 40.00 "Z" FACTOR = .000 MANNING'S FACTOR = .015 MAXIMUM DEPTH(FEET) = 8.00 CHANNEL FLOW THRU SUBAREA(CFS) = 4669.02 'LOW VELOCITY(FEET /SEC.) = 22.95 FLOW DEPTH(FEET) = 5.08 TRAVEL TIME(MIN.) = .86 TC(MIN.) = 31.75 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 707.00 TO NODE 707.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.978 ;OIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) _ .4850 SUBAREA AREA(ACRES) = 46.00 SUBAREA RUNOFF(CFS) = 61.80 EFFECTIVE AREA(ACRES) = 2835.10 AVERAGED Fm(INCH /HR) = .387 TOTAL AREA(ACRES) = 3152.40 PEAK FLOW RATE(CFS) = 4669.02 TC(MIN) = 31.75 A. **+ r****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 707.10 TO NODE 708.10 IS CODE = 5 » »>COMPUTE TRAPEZOIDAL - CHANNEL FLOW««< » »> TRAVEL .TIME THRU SUBAREA « «< UPSTREAM NODE ELEVATION(FEET) = 1023.00 ,, DOWNSTREAM NODE ELEVATION(FEET) = 1016.00 CHANNEL LENGTH THRU SUBAREA(FEET) = 1600.00 CHANNEL BASE(FEET) = 40.00 "Z" FACTOR = .000 MANNING'S FACTOR = .015 MAXIMUM DEPTH(FEET) = 8.00 CHANNEL FLOW THRU SUBAREA(CFS) = 4669.02 FLOW VELOCITY(FEET /SEC.) = 18.60 FLOW DEPTH(FEET) = 6.28 TRAVEL TIME(MIN.) = 1.43 TC(MIN.) = 33.18 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 708.00 TO NODE 708.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW « «< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.926 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = 47.00 SUBAREA RUNOFF(CFS) = 60.96 EFFECTIVE AREA(ACRES) = 2882.10 A. AVERAGED Fm(INCH /HR) = .389 TOTAL AREA(ACRES) = 3199.40 PEAK FLOW RATE(CFS) = 4669.02 TC(MIN) = 33.18 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 708.10 TO NODE 708.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE« «< TOTAL NUMBER OF STREAMS = 2 CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: TIME OF CONCENTRATION(MIN.) = 33.18 RAINFALL INTENSITY(INCH /HR) = 1.93 AVERAGED Fm(INCH /HR) = .39 EFFECTIVE STREAM AREA(ACRES) = 2882.10 TOTAL STREAM AREA(ACRES) = 3199.40 PEAK FLOW RATE(CFS) AT CONFLUENCE = 4669.02 *.:******************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 435.00 TO NODE 708.10 IS CODE = 7 » »>USER SPECIFIED HYDROLOGY INFORMATION AT NODE««< USER - SPECIFIED VALUES ARE AS FOLLOWS: - TC(MIN.) = 28.90 RAINFALL INTENSITY(INCH /HR) = 2.09 EFFECTIVE AREA(ACRES) = 408.40 TOTAL AREA(ACRES) = 438.00 PEAK FLOW RATE(CFS) = 682.00 iVERAGED LOSS RATE, Fm(INCH /HR) = .490 NOTE: EFFECTIVE AREA IS USED AS THE TOTAL CONTRIBUTING AREA FOR ALL CONFLUENCE ANALYSES. ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 708.10 TO NODE 708.10 IS CODE = 1 » » >DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE ««< » » >AND COMPUTE VARIOUS CONFLUENCED STREAM VALUES « «< TOTAL NUMBER OF STREAMS = 2 CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 2 ARE: TIME OF CONCENTRATION(MIN.) = 28.90 * RAINFALL INTENSITY(INCH /HR) = 2.09 AVERAGED Fm(INCH/HR) = .49 EFFECTIVE STREAM AREA(ACRES) = 408.40 TOTAL STREAM AREA(ACRES) = 438.00 PEAK FLOW RATE(CFS) AT CONFLUENCE = 682.00 RAINFALL INTENSITY AND TIME OF CONCENTRATION RATIO CONFLUENCE FORMULA USED FOR 2 STREAMS. ** PEAK FLOW RATE TABLE ** Q(CFS) Tc(MIN.) Fm(INCH/HR) Ae(ACRES) 1 5267.79 29.70 .404 3022.37 2 5280.15 33.18 .401 3290.50 3 5243.67 34.33 .401 3353.00 5249.52 28.90 .404 2951.63 COMPUTED CONFLUENCE ESTIMATES ARE AS FOLLOWS: PEAK FLOW RATE(CFS) = 5280.15 Tc(MIN.) = 33.184 EFFECTIVE AREA(ACRES) = 3290.50 AVERAGED Fm(INCH /HR) = .40 TOTAL AREA(ACRES) = 3637.40 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 708.10 TO NODE 709.10 IS CODE = 5 » »> COMPUTE TRAPEZOIDAL - CHANNEL FLOW ««< • » » > TRAVEL TIME THRU SUBAREA ««< - UPSTREAM NODE ELEVATION(FEET) = 1016.00 DOWNSTREAM NODE ELEVATION(FEET) = 1007.00 44 CHANNEL LENGTH THRU SUBAREA(FEET) = 1200.00 CHANNEL BASE(FEET) = 51.00 "Z" FACTOR = .000 - MANNING'S FACTOR = .015 MAXIMUM DEPTH(FEET) = 8.00 CHANNEL FLOW THRU SUBAREA(CFS) = 5280.15 FLOW VELOCITY(FEET /SEC.) = 21.69 FLOW DEPTH(FEET) = 4.77 TRAVEL TIME(MIN.) = .92 TC(MIN.) = 34.11 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** - FLOW PROCESS FROM NODE 709.00 TO NODE 709.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.895 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = 48.00 SUBAREA RUNOFF(CFS) = 60.90 • EFFECTIVE AREA(ACRES) = 3338.50 AVERAGED Fm(INCH /HR) = .402 TOTAL AREA(ACRES) = 3685.40 PEAK FLOW RATE(CFS) = 5280.15 • TC(MIN) = 34.11 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 709.10 TO NODE 710.10 IS CODE = 5 - » » >COMPUTE TRAPEZOIDAL - CHANNEL FLOW««< » »> TRAVEL TIME THRU SUBAREA ««< UPSTREAM NODE ELEVATION(FEET) = 1007.00 DOWNSTREAM NODE ELEVATION(FEET) = 1004.50 .W, CHANNEL LENGTH THRU SUBAREA(FEET) = 1250.00 CHANNEL BASE(FEET) = 51.00 "Z" FACTOR = .000 MANNING'S FACTOR = .015 MAXIMUM DEPTH(FEET) = 8.00 CHANNEL FLOW THRU SUBAREA(CFS) = 5280.15 - FLOW VELOCITY(FEET /SEC.) = 14.11 FLOW DEPTH(FEET) = 7.34 TRAVEL TIME(MIN.) = 1.48 TC(MIN.) = 35.58 • ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 710.00 TO NODE 710.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.847 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH/HR) = .4850 SUBAREA AREA(ACRES) = 50.00 SUBAREA RUNOFF(CFS) = 61.29 - EFFECTIVE AREA(ACRES) = 3388.50 AVERAGED Fm(INCH /HR) = .404 TOTAL AREA(ACRES) = 3735.40 PEAK FLOW RATE(CFS) = 5280.15 • TC(MIN) = 35.58 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** • FLOW PROCESS FROM NODE 710.10 TO NODE 711.10 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL - CHANNEL FLOW « «< »»> TRAVEL TIME THRU SUBAREA««< UPSTREAM NODE ELEVATION(FEET) = 1004.50 DOWNSTREAM NODE ELEVATION(FEET) = 1000.50 - CHANNEL LENGTH THRU SUBAREA(FEET) = 1350.00 CHANNEL BASE(FEET) = 51.00 "Z" FACTOR = .000 MANNING'S FACTOR = .015 MAXIMUM DEPTH(FEET) = 8.00 CHANNEL FLOW THRU SUBAREA(CFS) = 5280.15 - FLOW VELOCITY(FEET /SEC.) = 16.05 FLOW DEPTH(FEET) = 6.45 TRAVEL TIME(MIN.) = 1.40 TC(MIN.) = 36.98 - ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 711.00 TO NODE 711.10 IS CODE = 8 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.805 OIL CLASSIFICATION IS "A" - RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = 50.00 SUBAREA RUNOFF(CFS) = 59.39 - EFFECTIVE AREA(ACRES) = 3438.50 AVERAGED Fm(INCH /HR) = .405 TOTAL AREA(ACRES) = 3785.40 PEAK FLOW RATE(CFS) = 5280.15 TC(MIN) = 36.98 ****************************************** * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 711.10 TO NODE 712.10 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL - CHANNEL FLOW ««< » »> TRAVEL TIME THRU SUBAREA« «< AO UPSTREAM NODE ELEVATION(FEET) = 1000.50 DOWNSTREAM NODE ELEVATION(FEET) = 997.90 CHANNEL LENGTH THRU SUBAREA(FEET) = 1500.00 CHANNEL BASE(FEET) = 51.00 "Z" FACTOR = .000 MANNING'S FACTOR = .015 MAXIMUM DEPTH(FEET) = 8.00 CHANNEL FLOW THRU SUBAREA(CFS) = 5280.15 FLOW VELOCITY(FEET /SEC.) = 13.48 FLOW DEPTH(FEET) = 7.68 TRAVEL TIME(MIN.) = 1.85 TC(MIN.) = 38.84 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 712.00 TO NODE 712.10 IS CODE = 8 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.753 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 SUBAREA AREA(ACRES) = 52.00 SUBAREA RUNOFF(CFS) = 59.32 EFFECTIVE AREA(ACRES) = 3490.50 AVERAGED Fm(INCH/HR) = .406 TOTAL AREA(ACRES) = 3837.40 BEAK FLOW RATE(CFS) = 5280.15 1'C (MIN) = 38.84 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 712.10 TO NODE 713.10 IS CODE = 5 » » >COMPUTE TRAPEZOIDAL - CHANNEL FLOW ««< » »> TRAVEL TIME THRU SUBAREA ««< UPSTREAM NODE ELEVATION(FEET) = 997.90 DOWNSTREAM NODE ELEVATION(FEET) = 992.00' CHANNEL LENGTH THRU SUBAREA(FEET) = 2400.00 CHANNEL BASE(FEET) = 51.00 "Z" FACTOR = .000 MANNING'S FACTOR = .015 MAXIMUM DEPTH(FEET) = 8.00 CHANNEL FLOW THRU SUBAREA(CFS) = 5280.15 FLOW VELOCITY(FEET /SEC.) = 15.12 FLOW DEPTH(FEET) = 6.85 TRAVEL TIME(MIN.) = 2.65 TC(MIN.) = 41.48 - ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 713.00 TO NODE 713.10 IS CODE = 8 mug » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW ««< 100 YEAR RAINFALL INTENSITY(INCH /HOUR) = 1.685 SOIL CLASSIFICATION IS "A" RESIDENTIAL -> 5 -7 DWELLINGS /ACRE SUBAREA LOSS RATE, Fm(INCH /HR) = .4850 UBAREA AREA(ACRES) = 54.00 SUBAREA RUNOFF(CFS) = 58.30 13FFECTIVE AREA(ACRES) = 3544.50 AVERAGED Fm(INCH/HR) = .407 TOTAL AREA(ACRES) = 3891.40 PEAK FLOW RATE(CFS) = 5280.15 TC(MIN) = 41.48 END OF STUDY SUMMARY: TOTAL AREA(ACRES) = 3891.40 TC(MIN.) = 41.48 EFFECTIVE AREA(ACRES) = 3544.50 AVERAGED Fm(INCH /HR)= .41 'EAK FLOW RATE(CFS) = 5280.15 * ** PEAK FLOW RATE TABLE * ** Q(CFS) Tc(MIN.) Fm(INCH/HR) Ae(ACRES) 1 5267.79 38.01 .410 3276.37 2 5280.15 41.48 .407 3544.50 3 5243.67 42.65 .407 3607.00 4 5249.52 37.21 .411 3205.63 END OF RATIONAL METHOD ANALYSIS Mft Mat ASI wr