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• <br />beak <br />EAST P1IPlE DIVERSION <br />Peak Flow Calculation <br />1. Determine drainage area. <br />A = 32.28 acres <br />2. Determine curve number. <br />CN89 <br />3. Determine precipitation. <br />l0yr -- 24hr = 1.6in <br />u <br />4. Determine volume of runoff. <br />IOyr -- 24hr = O.71in <br />5. Determine peak flow <br />l0yr -- 24hr = 32.0 cfs <br />EAST P1INE DIVERSION - EASTERN LIP".6 <br />Diversion Sizing <br />1. Q = 16.0 cfs (%, of 32 cfs) <br />2. Rearrange Planning Equation. <br /> <br />V=1=5 R3 SZ <br />n <br />V = 1~6(P)3 S~ <br />R =A/P <br />