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HomeMy WebLinkAboutArea 9 AREA 9 Rational method, 100 year storm Yb calculation r If 0 g 4. ) .%-14N% • 1: ii i a b u 3 4• / 14 . 0 I U .4 ,....4 ' --44,.. * ' '' sr ii„,,, f t '41 :ftp 1 AP 0 ' z Tjg • - ` . _ s ' . • .s � ; i 0 w = i i i . '44 , 44‘ * * . °sr C) II. , . A. * . li 4441r. A . 1.4 * 1 i e Li 4 .. i • Fe r. . ileok..,,. it s..... ' ,4= A „ � t� '. ... O sow 1mi _ 1 , - .0...itres..N ) i . , 1 .. .... 14 l i r r •414 — - ,..IP • '7, , .. .f r .► a.. -� a% i . •11 fietz3 ej • t 4 1 ) 1041 f if r - -.._ _.....� w..._,. .r.�rnr ter -' •M . � ...._,�..�.._.� �� . -ter r i I t. • . • • I • al „ sur war 1 Liii I c 1 c --- . 1 0 CYT-- , 1 § , . Ix) �..�. -_w '` I ---. V ' II I r O S it elk .. L.r) v-- Um I ' ia Cr; CrN CY 1 1 & 111 ee ai 4. itt ,�� \ '4° fa 0 Pr 111 I. Li 4 1 %, \ ‘ 01.1--. . 1 1114 . / CZ 114s li t 1 ql T ,, - .. -,. ... la k 4 11111111k Cr ' E llt4 . 1 VIP ` 7 1 . . . mi., , ... ,.., 4 ., 1 • . Tr ... i 4 "lit -, . ( Ibi'' 11 \ , v., A _, i . iv. 40 v .... ,,- 1 , c, st i / ,, „„ .., .. , , . li ,...----, • 1 l i *Ea ' 1 i rjlr i i I I Po- ___ _ --. -..,-..,.. ,.. - v pin _____ ___ 0 ( , _AIII_ is 4 /11 1 le � No it i iml it, alb. .... ir . 1 , i _ OF • III r i!!!!k lit\ . 10 Li 41 7 ........... . 4 gm • ai - n i IOW .40 0. 0# I! to ; Il :1 Ill .11t e op • p ", i — — • 0! . -,`'`� �,.4! ,,,,• KAIDJO LON 10 Aga4 r 'Ow * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM PACKAGE (Reference: 1986 SAN BERNARDINO CO. HYDROLOGY CRITERION) (c) Copyright 1983 -2003 Advanced Engineering Software (aes) Ver. 8.0 Release Date: 01/01/2003 License ID 1400 Analysis prepared by: Allard Engineering 8253 Sierria Avenue Fontana Ca. 92335 * * * * * * * * * * * * * * * * * * * * * * * * ** DESCRIPTION OF STUDY * * * * * * * * * * * * * * * * * * * * * * * * ** * MASTER PLAN OF DRAINAGE * 100 YEAR STORM * AREA 9 ******************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FILE NAME: MASTER29.DAT TIME /DATE OF STUDY: 08:53 10/11/2006 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 = 0.90 *USER- DEFINED LOGARITHMIC INTERPOLATION USED FOR RAINFALL* SLOPE OF INTENSITY DURATION CURVE(LOG(I;IN /HR) vs. LOG(Tc;MIN)) = 0.6000 USER SPECIFIED 1 -HOUR INTENSITY(INCH /HOUR) = 1.2300 *ANTECEDENT MOISTURE CONDITION (AMC) III ASSUMED FOR RATIONAL METHOD* *USER- DEFINED STREET - SECTIONS FOR COUPLED PIPEFLOW AND STREETFLOW MODEL* HALF- CROWN TO STREET - CROSSFALL: CURB GUTTER - GEOMETRIES: MANNING WIDTH CROSSFALL IN- / OUT- /PARK- HEIGHT WIDTH LIP HIKE FACTOR NO. (FT) (FT) SIDE / SIDE/ WAY (FT) (FT) (FT) (FT) (n) 1 18.0 12.0 0.020/0.020/0.020 0.67 1.50 0.0200 0.125 0.0180 2 22.0 12.0 0.020/0.020/0.020 0.67 1.50 0.0200 0.125 0.0180 GLOBAL STREET FLOW -DEPTH CONSTRAINTS: 1. Relative Flow -Depth = 0.25 FEET as (Maximum Allowable Street Flow Depth) - (Top -of -Curb) 2. (Depth) *(Velocity) Constraint = 10.0 (FT *FT /S) *SIZE PIPE WITH A FLOW CAPACITY GREATER THAN OR EQUAL TO THE UPSTREAM TRIBUTARY PIPE.* *USER- SPECIFIED MINIMUM TOPOGRAPHIC SLOPE ADJUSTMENT NOT SELECTED ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 102.00 TO NODE 103.00 IS CODE = 21 » » > RATIONAL METHOD INITIAL SUBAREA ANALYSIS « «< »USE TIME -OF- CONCENTRATION NOMOGRAPH FOR INITIAL SUBAREA« INITIAL SUBAREA FLOW - LENGTH(FEET) = 1000.00 ELEVATION DATA: UPSTREAM(FEET) = 963.00 DOWNSTREAM(FEET) = 960.00 Tc = K *[(LENGTH ** 3.00) /(ELEVATION CHANGE)]* *0.20 SUBAREA ANALYSIS USED MINIMUM Tc(MIN.) = 19.703 * 100 YEAR RAINFALL INTENSITY(INCH /HR) = 2.399 SUBAREA Tc AND LOSS RATE DATA(AMC III): DEVELOPMENT TYPE/ SCS SOIL AREA Fp Ap SCS Tc LAND USE GROUP (ACRES) (INCH /HR) (DECIMAL) CN (MIN.) RESIDENTIAL "5 -7 DWELLINGS /ACRE" B 10.00 0.45 0.50 76 19.70 SUBAREA AVERAGE PERVIOUS LOSS RATE, Fp(INCH /HR) = 0.45 SUBAREA AVERAGE PERVIOUS AREA FRACTION, Ap = 0.50 SUBAREA RUNOFF(CFS) = 19.56 TOTAL AREA(ACRES) = 10.00 PEAK FLOW RATE(CFS) = 19.56 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 102.00 TO NODE 103.00 IS CODE = 41 » » >COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA« « < » »>USING USER - SPECIFIED PIPESIZE (EXISTING ELEMENT) « «< ELEVATION DATA: UPSTREAM(FEET) = 960.00 DOWNSTREAM(FEET) = 955.00 FLOW LENGTH(FEET) = 911.00 MANNING'S N = 0.013 DEPTH OF FLOW IN 60.0 INCH PIPE IS 13.2 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 6.08 GIVEN PIPE DIAMETER(INCH) = 60.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 19.56 PIPE TRAVEL TIME(MIN.) = 2.50 Tc(MIN.) = 22.20 LONGEST FLOWPATH FROM NODE 102.00 TO NODE 103.00 = 1911.00 FEET. ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 103.00 TO NODE 103.00 IS CODE = 81 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< MAINLINE Tc(MIN) = 22.20 * 100 YEAR RAINFALL INTENSITY(INCH /HR) = 2.233 SUBAREA LOSS RATE DATA(AMC III): DEVELOPMENT TYPE/ SCS SOIL AREA Fp Ap SCS LAND USE GROUP (ACRES) (INCH /HR) (DECIMAL) CN RESIDENTIAL "5 -7 DWELLINGS /ACRE" B 19.40 0.45 0.50 76 SUBAREA AVERAGE PERVIOUS LOSS RATE, Fp(INCH /HR) = 0.45 SUBAREA AVERAGE PERVIOUS AREA FRACTION, Ap = 0.50 SUBAREA AREA(ACRES) = 19.40 SUBAREA RUNOFF(CFS) = 35.05 EFFECTIVE AREA(ACRES) = 29.40 AREA - AVERAGED Fm(INCH /HR) = 0.23 AREA - AVERAGED Fp(INCH /HR) = 0.45 AREA- AVERAGED Ap = 0.50 TOTAL AREA(ACRES) = 29.40 PEAK FLOW RATE(CFS) = 53.12 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 103.00 TO NODE 104.00 IS CODE = 41 » »>COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA« «< » »>USING USER- SPECIFIED PIPESIZE (EXISTING ELEMENT) « «< ELEVATION DATA: UPSTREAM(FEET) = 927.50 DOWNSTREAM(FEET) = 918.00 FLOW LENGTH(FEET) = 663.00 MANNING'S N = 0.013 DEPTH OF FLOW IN 96.0 INCH PIPE IS 14.8 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 10.82 GIVEN PIPE DIAMETER(INCH) = 96.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 53.12 PIPE TRAVEL TIME(MIN.) = 1.02 Tc(MIN.) = 23.22 LONGEST FLOWPATH FROM NODE 102.00 TO NODE 104.00 = 2574.00 FEET. ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 103.00 TO NODE 104.00 IS CODE = 81 » » >ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< MAINLINE Tc(MIN) = 23.22 * 100 YEAR RAINFALL INTENSITY(INCH /HR) = 2.174 SUBAREA LOSS RATE DATA(AMC III): DEVELOPMENT TYPE/ SCS SOIL AREA Fp Ap SCS LAND USE GROUP (ACRES) (INCH /HR) (DECIMAL) CN RESIDENTIAL "5 -7 DWELLINGS /ACRE" B 38.20 0.45 0.50 76 SUBAREA AVERAGE PERVIOUS LOSS RATE, Fp(INCH /HR) = 0.45 SUBAREA AVERAGE PERVIOUS AREA FRACTION, Ap = 0.50 SUBAREA AREA(ACRES) = 38.20 SUBAREA RUNOFF(CFS) = 66.97 EFFECTIVE AREA(ACRES) = 67.60 AREA- AVERAGED Fm(INCH /HR) = 0.23 AREA- AVERAGED Fp(INCH /HR) = 0.45 AREA- AVERAGED Ap = 0.50 TOTAL AREA(ACRES) = 67.60 PEAK FLOW RATE(CFS) = 118.51 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 104.00 TO NODE 105.00 IS CODE = 41 » »>COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA« «< » »>USING USER - SPECIFIED PIPESIZE (EXISTING ELEMENT) « «< ELEVATION DATA: UPSTREAM(FEET) = 918.00 DOWNSTREAM(FEET) = 910.00 FLOW LENGTH(FEET) = 1350.00 MANNING'S N = 0.013 DEPTH OF FLOW IN 102.0 INCH PIPE IS 26.8 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 9.95 GIVEN PIPE DIAMETER(INCH) = 102.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 118.51 PIPE TRAVEL TIME(MIN.) = 2.26 Tc(MIN.) = 25.48 LONGEST FLOWPATH FROM NODE 102.00 TO NODE 105.00 = 3924.00 FEET. FLOW PROCESS FROM NODE 104.00 TO NODE 110.00 IS CODE = 81 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< MAINLINE Tc(MIN) = 25.48 * 100 YEAR RAINFALL INTENSITY(INCH /HR) = 2.056 SUBAREA LOSS RATE DATA(AMC III): DEVELOPMENT TYPE/ SCS SOIL AREA Fp Ap SCS LAND USE GROUP (ACRES) (INCH /HR) (DECIMAL) CN RESIDENTIAL "3 -4 DWELLINGS /ACRE" B 10.00 0.45 0.60 76 RESIDENTIAL "5 -7 DWELLINGS /ACRE" B 35.20 0.45 0.50 76 SUBAREA AVERAGE PERVIOUS LOSS RATE, Fp(INCH /HR) = 0.45 SUBAREA AVERAGE PERVIOUS AREA FRACTION, Ap = 0.52 SUBAREA AREA(ACRES) = 45.20 SUBAREA RUNOFF(CFS) = 74.04 EFFECTIVE AREA(ACRES) = 112.80 AREA- AVERAGED Fm(INCH /HR) = 0.23 AREA - AVERAGED Fp(INCH /HR) = 0.45 AREA- AVERAGED Ap = 0.51 TOTAL AREA(ACRES) = 112.80 PEAK FLOW RATE(CFS) = 185.38 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 104.00 TO NODE 110.00 IS CODE = 41 » »>COMPUTE PIPE -FLOW TRAVEL TIME THRU SUBAREA« «< » »>USING USER - SPECIFIED PIPESIZE (EXISTING ELEMENT) « «< ELEVATION DATA: UPSTREAM(FEET) = 910.00 DOWNSTREAM(FEET) = 902.00 FLOW LENGTH(FEET) = 2800.00 MANNING'S N = 0.013 DEPTH OF FLOW IN 102.0 INCH PIPE IS 41.1 INCHES PIPE -FLOW VELOCITY(FEET /SEC.) = 8.67 GIVEN PIPE DIAMETER(INCH) = 102.00 NUMBER OF PIPES = 1 PIPE - FLOW(CFS) = 185.38 PIPE TRAVEL TIME(MIN.) = 5.38 Tc(MIN.) = 30.87 LONGEST FLOWPATH FROM NODE 102.00 TO NODE 110.00 = 6724.00 FEET. ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** FLOW PROCESS FROM NODE 110.00 TO NODE 110.00 IS CODE = 81 » »>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW« «< MAINLINE Tc(MIN) = 30.87 * 100 YEAR RAINFALL INTENSITY(INCH /HR) = 1.833 SUBAREA LOSS RATE DATA(AMC III): DEVELOPMENT TYPE/ SCS SOIL AREA Fp Ap SCS LAND USE GROUP (ACRES) (INCH /HR) (DECIMAL) CN RESIDENTIAL "3 -4 DWELLINGS /ACRE" B 55.00 0.45 0.60 76 NATURAL POOR COVER "BARREN" B 20.00 0.03 1.00 97 SUBAREA AVERAGE PERVIOUS LOSS RATE, Fp(INCH /HR) = 0.29 SUBAREA AVERAGE PERVIOUS AREA FRACTION, Ap = 0.71 SUBAREA AREA(ACRES) = 75.00 SUBAREA RUNOFF(CFS) = 109.69 EFFECTIVE AREA(ACRES) = 187.80 AREA - AVERAGED Fm(INCH /HR) = 0.22 AREA - AVERAGED Fp(INCH /HR) = 0.38 AREA- AVERAGED Ap = 0.59 TOTAL AREA(ACRES) = 187.80 PEAK FLOW RATE(CFS) = 272.40 END OF STUDY SUMMARY: TOTAL AREA(ACRES) = 187.80 TC(MIN.) = 30.87 EFFECTIVE AREA(ACRES) = 187.80 AREA- AVERAGED Fm(INCH /HR)= 0.22 AREA - AVERAGED Fp(INCH/HR) = 0.38 AREA- AVERAGED Ap = 0.59 PEAK FLOW RATE(CFS) = 272.40 END OF RATIONAL METHOD ANALYSIS * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * NON - HOMOGENEOUS WATERSHED AREA- AVERAGED LOSS RATE (Fm) AND LOW LOSS FRACTION ESTIMATIONS (C) Copyright 1989 -2003 Advanced Engineering Software (aes) Ver. 9.0 Release Date: 01/01/2003 License ID 1400 Analysis prepared by: Allard Engineering 8253 Sierria Avenue Fontana Ca. 92335 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** Problem Descriptions: MASTER PLAN OF DRAINAGE AREA 9 YB CALCULATION * ** NON - HOMOGENEOUS WATERSHED AREA- AVERAGED LOSS RATE (Fm) AND LOW LOSS FRACTION ESTIMATIONS FOR AMC III: TOTAL 24 -HOUR DURATION RAINFALL DEPTH = 8.00 (inches) SOIL -COVER AREA PERCENT OF SCS CURVE LOSS RATE TYPE (Acres) PERVIOUS AREA NUMBER Fp(in. /hr.) YIELD 1 10.00 50.00 76.( 56.) 0.452 0.807 2 19.40 50.00 76.( 56.) 0.452 0.807 3 38.20 50.00 76.( 56.) 0.452 0.807 4 35.20 50.00 76.( 56.) 0.452 0.807 5 10.00 60.00 76.( 56.) 0.452 0.775 • 6 55.00 60.00 76.( 56.) 0.452 0.775 7 20.00 100.00 93.( 78.) 0.140 0.895 TOTAL AREA (Acres) = 187.80 AREA- AVERAGED LOSS RATE, Fm (in. /hr.) = 0.232 AREA- AVERAGED LOW LOSS FRACTION, Y = 0.195 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** NON- HOMOGENEOUS WATERSHED AREA- AVERAGED LOSS RATE (Fm) AND LOW LOSS FRACTION ESTIMATIONS (C) Copyright 1989 -2003 Advanced Engineering Software (aes) Ver. 9.0 Release Date: 01/01/2003 License ID 1400 Analysis prepared by: Allard Engineering 8253 Sierria Avenue Fontana Ca. 92335 ********************************************* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ** Problem Descriptions: MASTER PLAN OF DRAINAGE AREA 9 YB CALCULATION * ** NON- HOMOGENEOUS WATERSHED AREA- AVERAGED LOSS RATE (Fm) AND LOW LOSS FRACTION ESTIMATIONS FOR AMC II: TOTAL 24 -HOUR DURATION RAINFALL DEPTH = 8.00 (inches) SOIL -COVER AREA PERCENT OF SCS CURVE LOSS RATE TYPE (Acres) PERVIOUS AREA NUMBER Fp(in. /hr.) YIELD 1 10.00 50.00 56. 0.748 0.666 2 19.40 50.00 56. 0.748 0.666 3 38.20 50.00 56. 0.748 0.666 4 35.20 50.00 56. 0.748 0.666 5 10.00 60.00 56. 0.748 0.605 6 55.00 60.00 56. 0.748 0.605 7 20.00 100.00 78. 0.416 0.674 TOTAL AREA (Acres) = 187.80 AREA- AVERAGED LOSS RATE, Fm (in. /hr.) = 0.404 AREA- AVERAGED LOW LOSS FRACTION, Y = 0.354