Laserfiche WebLink
<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 />HvdroCAD 5.11 000744 Ie) 1986-1999 Aoolied Microcomouter Systems <br /> <br />page 3 <br /> <br />. <br /> <br />26 Oct 00 <br /> <br />SUBCATCHMENT 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' 5=.0111 'I' <br /> <br />Comment <br /> <br />Tc (min) <br />20.7 <br /> <br />SUBCATCHMENT 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' s=.0125 'I' <br /> <br />Comment <br />Segment 10. <br /> <br />Te (min) <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' 5=.01 'I' <br />RECT/VEE/TRAP CHANNEL <br />W=2' 0=2.5' SS= .25 'I' <br />s=.0015 'I' n=.05 V=1.39 <br /> <br />Comment <br />Segment ID. <br /> <br />Tc (min) <br />27.8 <br /> <br />a=30 <br />fps <br /> <br />Segment ID. <br />sq-ft Pw=22.6' r=1.327' <br />L=650' Capacity=41.7 cis <br /> <br />7.8 <br /> <br />Total Length= 1150 ft <br /> <br />Total Tc= <br /> <br />35.6 <br />