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Developed <br />Duration 15Min 30Min 60Min 211r 12Hr 24Hr <br />Precip 0.15 0.19 0.25 0.29 0.43 0.49 <br />Commercial <br />9.0 Ac 1.013 1.3 1.69 1.96 2.9 3.31 <br />Discharge <br />Ac /ft 0.13 0.27 0.54 2.14 12.9 25.71 <br />Storage <br />Required 0.9 1.03 1.15 <br />Required Storage: = 1.15 Ac /ft <br />III. 10 year event analysis <br />a. For the Whole of Sec. A <br />Predeveloped <br />Tc = 35 Min C = 0.3 <br />I10 = 2.5 in /hr <br />Qout = 2.5 (0.3) (27.7) = 20.78 CFS <br />= 41.2 Ac /ft 1 day <br />Developed <br />Duration 15Min 30Min 60Min 2Hr'' 12Hr 24Hr <br />Precip 0.11 0.14 0.18 0.21 0.31 0.35 <br />Comm. 9.0 Ac 0.74 0.95 1.22 1.42 2.10 2.36 <br />Resid. 18.7 Ac 1.13 1.44 1.85 2.16 3.19 3.59 <br />Total Runoff <br />Ac /ft 1.87 2.39 3.07 3.6 5.3 5.95 <br />Discharge Ac /ft 0.214 0.43 0.89 3.43 20.6 41.2 <br />Storage 1.66 2.82 2.18 <br />Required Storage: 2.18 Ac /ft <br />BII.For the Commercial Area Only <br />Predeveloped A = 9.0 Ac <br />Tc = 26 Min <br />I10 = 3.0 in /hr <br />C = 0.3 <br />Qout = 3.0 (0.3) (9) = 8.1 CFS <br />= 16.1 Ac /ft 1 day <br />Page 28 <br />