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Data for CENTERVILLE PROP DRAINAGE 10 -24 -00 Page 2 <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 100 <br /> PEAK= 13.04 CFS @ 12.09 HRS, VOLUME= 1.00 AF <br /> ACRES CN SCS TR -20 METHOD <br /> .89 98 IMPERVIOUS TYPE II 24 -HOUR <br /> .44 98 OPEN WATER RAINFALL= 5.90 IN <br /> 2.55 61 GRASS SPAN= 0 -40 HRS, dt =.1 HRS <br /> 3.88 74 <br /> Method Comment Tc (min) <br /> DIRECT ENTRY ROOF TO GROUND 2.0 <br /> TR -55 SHEET FLOW Segment ID: 18.0 <br /> Grass: Dense n =.24 L =120' P2 =2.7 in s =.02 '/' <br /> Total Length= 120 ft Total Tc= 20.0 <br /> SUBCATCHMENT 110 <br /> PEAK= 40.14 CFS @ 12.04 HRS, VOLUME= 2.83 AF <br /> ACRES CN SCS TR -20 METHOD <br /> 3.12 98 IMPERVIOUS TYPE II 24 -HOUR <br /> 1.26 98 OPEN WATER RAINFALL= 5.90 IN <br /> 5.64 61 GRASS SPAN= 0 -40 HRS, dt =.1 HRS <br /> 10.02 77 <br /> Method Comment Tc (min) <br /> DIRECT ENTRY ROOF TO GROUND 2.0 <br /> TR -55 SHEET FLOW Segment ID: 11.7 <br /> Grass: Dense n =.24 L =70' P2 =2.7 in s =.02 '/' <br /> DIRECT ENTRY GUTTER FLOW @ 3 FPS 1.5 <br /> CIRCULAR CHANNEL Segment ID: 1.4 <br /> 18" Diameter a =1.77 sq -ft Pw =4.7' r =.375' <br /> s =.005 '/' n =.013 V =4.2 fps L =360' Capacity =7.4 cfs <br /> Total Length= 430 ft Total Tc= 16.6 <br />