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Data for CENTERVILLE PROP DRAINAGE 10 -24 -00 Page 5 <br /> TYPE II 24 -HOUR RAINFALL 5.90 IN <br /> Prepared by James R.Hill, Inc. 26 Oct 00 <br /> HydroCAD 5.11 000744 (c) 1986 -1999 Applied Microcomputer Systems <br /> SUBCATCHMENT 180 <br /> PEAR= 6.43 CFS @ 12.16 HRS, VOLUME= .59 AF <br /> ACRES CN SCS TR -20 METHOD <br /> .17 98 IMPERVIOUS TYPE II 24 -HOUR <br /> .85 88 WETLAND RAINFALL= 5.90 IN <br /> 1.25 61 GRASS SPAN= 0 -40 HRS, dt =.1 HRS <br /> 2.27 74 <br /> Method Comment Tc (min) <br /> DIRECT ENTRY ROOF TO GROUND 2.0 <br /> TR -55 SHEET FLOW Segment ID: 24.7 <br /> Grass: Dense n =.24 L =200' P2 =2.7 in s =.025 '/' <br /> Total Length= 200 ft Total Tc= 26.7 <br /> SUBCATCHMENT 190 <br /> PEAK= 29.39 CFS @ 12.07 HRS, VOLUME= 2.21 AF <br /> ACRES CN SCS TR -20 METHOD <br /> .26 98 IMPERVIOUS TYPE II 24 -HOUR <br /> 6.06 78 WETLAND WITH SOME WOODS RAINFALL= 5.90 IN <br /> 2.24 61 GRASS SPAN= 0 -40 HRS, dt =.1 HRS <br /> 8.56 74 <br /> Method Comment Tc (min) <br /> CURVE NUMBER (LAG) METHOD Segment ID: 19.0 <br /> L =650' s =.02 '/' <br /> SUBCATCHMENT 200 OFF SITE FLOWING TO SOUTH LINE <br /> PEAR= 23.99 CFS @ 12.29 HRS, VOLUME= 2.72 AF <br /> ACRES CN SCS TR -20 METHOD <br /> 14.30 65 UPLAND /OPEN MEADOW TYPE II 24 -HOUR <br /> RAINFALL= 5.90 IN <br /> SPAN= 0 -40 HRS, dt =.1 HRS <br /> Method Comment Tc (min) <br /> CURVE NUMBER (LAG) METHOD Segment ID: 27.8 <br /> L =500' s =.01 '/' <br /> RECT /VEE /TRAP CHANNEL Segment ID: 7.8 <br /> W =2' D =2.5' SS= .25 '/' a =30 sq -ft Pw=22.6' r =1.327' <br /> s =.0015 '/' n =.05 V =1.39 fps L =650' Capacity =41.7 cfs <br /> Total Length= 1150 ft Total Tc= 35.6 <br />