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VOLU`IE OF RUNOFF <br /> VOL (AC FT) <br />EVENT RUNOFF A B C D TOTAL <br />10 .45 12.5 10.8 7.4 1.9 32.6 <br />- 25 .68 18.9 16.3 11.2 2.9 49.3 <br />100 1.05 29.1 25.2 17,4 4.5 76.2 <br />VOL = AQ <br />10 A Vol = (.52 Mil) 5280 Ft/Mi2 (.45 in) (1/12 in/f t) = 12.5 AcFt <br />43560 Ft2/Ac <br /> LOCAL DR AINAGE <br /> 2 BASINS ( BOTH OUTSIDE DISTURBED AREA, FLOW FVILL BE <br /> INTERCEPTED BY DITCHES) <br /> BASL~I AREA Lolf Lch Tc <br />• <br /> LW .059 1200 1300 .16 Hr <br /> LE .009 600 1300 .12 Hr <br />Event Sub- TC Arga Runoff Vol 11.8 11.9 12.0 12.1 12.2 12.3 12.4 12.5 <br /> area Hr bii ?n. AcFt (efs) <br />10 Yr L1V .16 .059 .45 1.4 19 2J. 15 9 6 4 3 3 <br />10 Yr LE .12 .009 .45 0.2 4 3 2 1 1 1 1 0 <br />25 Yr LTV .16 .059 .68 2.1 28 31 23 14 8 6 5 5 <br />25 Yr LE ~.12 .009 .68 0.3 5 5 3 2 1 1 1 1 <br />100 Yr LiY .16 .059 1.05 3.3 43 48 36 22 12 10 8 7 <br />100 Yr LE .12 .009 1.05 0.5 8 7 5 3 2 1 1 1 <br /> <br />