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3. Watershed B <br />Drainage Area 647 Ae <br />2 <br />(647 Ac)(imip Ac) 1.011 mT? <br />Qio = 59.7 (1.011)(•709) 60.2 CFS <br />Culvert Sizing <br />Q = 60.2 CFS D = 48"0 C.M.P. <br />Check, with D 48"0, Q = 65 CFS <br />Hw = .98 - 1.50 <br />D <br />4. Watershed C <br />Drainage Area = 36 Ac <br />2 <br />(36 Ac)(im0 Ac) = 0.56 mi? <br />Qio = 59.7 (.056)(•709) = 7,8 CFS <br />_ Culvert Sizing <br />Q = 7.8 CFS - D=78"0 C.M.P. <br />• Check, with D = 18"B, Q = 9 CFS <br />Hw = t.35 - 1.50 <br />D <br />5. Watershed 0 <br />Drainage Area 17 Ac <br />2 <br />(17 Ac)(ima~) _ .027 mi? <br />Qio = 59.7 (.027)('709) 4.6 CFS <br />Culvert Sizing <br />' Q = 4.6 CF$ - D = 18"0 C.M.P. <br />Check, with D = 18"0, Q = 6 CFS <br />HW = 1.0 - 1.50 <br />D <br />-~- <br />