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<br />Data for CENTERVILLE EX. DRAINAGE 10-24-00 <br />TYPE II 24-HOUR RAINFALL= 5.90 IN <br />Prepared by James R.Hill, Inc. <br />HydroCAD 5.11 000744 (c) 1986-1999 Applied Microcomputer Systems <br /> <br />Page 3 <br /> <br />26 Oct 00 <br /> <br />SUB CATCHMENT 130 <br /> <br />AREA DRAINING OFF SITE TO EAST (SOUTH) <br /> <br />PEAK= 5.68 CFS @ 12.10 HRS, VOLUME= <br /> <br />.45 AF <br /> <br />ACRES CN <br />.09 88 <br />.65 60 <br />1. 65 65 <br />2.39 65 <br /> <br />WETLAND <br />WOODS <br />UPLAND/OPEN MEADOW <br /> <br />SCS TR-20 METHOD <br />TYPE II 24-HOUR <br />RAINFALL= 5.90 IN <br />SPAN= 0-40 HRS, dt=.l HRS <br /> <br />Method <br />CURVE NUMBER (LAG) METHOD <br />L=370' s=.Ol11' /' <br /> <br />Comment <br /> <br />Tc (min) <br />20.7 <br /> <br />SUB CATCHMENT 140 <br />PEAK= 22.45 CFS @ 12.15 HRS, VOLUME= 2.04 AF <br />ACRES CN <br />1.30 88 WETLAND <br />1.77 60 WOODS <br />6.89 65 UPLAND/OPEN MEADOW <br />9.96 67 <br /> <br />SCS TR-20 METHOD <br />TYPE II 24-HOUR <br />RAINFALL= 5.90 IN <br />SPAN= 0-40 HRS, dt=.l HRS <br /> <br />Method <br />CURVE NUMBER (LAG) METHOD <br />L=550' 5=.0125 '/' <br /> <br />Comment <br />Segment 10: <br /> <br />TC (minI <br />25.5 <br /> <br />SUBCATCHMENT 200 <br /> <br />OFF SITE FLOWING TO SOUTH LINE <br /> <br />PEAK= 23.99 CFS @ 12.29 HRS, VOLUME= 2.72 AF <br /> <br />ACRES <br />14.30 <br /> <br />CN <br />65 <br /> <br />OPEN MEADOW <br /> <br />SCS TR-20 METHOD <br />TYPE II 24-HOUR <br />RAINFALL= 5.90 IN <br />SPAN= 0-40 HRS, dt=.l HRS <br /> <br />Method <br />CURVE NUMBER (LAG) METHOD <br />L=500' s=.OI '/' <br />RECT/VEE/TRAP CHANNEL <br />W=2' D=2.5' SS= .25 '/' <br />5=.0015 '/' n=.05 V=1.39 <br /> <br />Comment <br />Segment 10: <br /> <br />Tc (minI <br />27.8 <br /> <br />Segment 10: <br />a=30 sq-ft Pw=22. 6' r=1. 327 ' <br />fps L=650' Capacity=41.7 cfs <br /> <br />7.8 <br /> <br />Total Length= 1150 ft <br /> <br />Total Tc= <br /> <br />35.6 <br />