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6. Watershed E <br />• Drainage Area 56 Ac <br />2 <br />(56 Ac)(im~p Ac) _ .088 mi? <br />Qio = 59.7 (.088)(•709) t0.7 CFS <br />Culvert Sizing <br />Q = 10.7 CFS - D = 24"D C.M.P. <br />Check, with D = 24"D, Q = 11 CFS <br />Mw = .9 - 1.So <br />D <br />7. Combined Watersheds F E X <br />Drainage Area = 540 Ac + 31 Ac = 571 Ac <br />2 <br />(571 Ac)(i5o Ac) _ .892 mt? <br />Qio = 59.7 (.892)('709) = 55.1 CFS <br />Culvert Sizing <br />• Q = 55.1 CFS - D•= 42"D C.M.P. <br />Check, with D = 42"D, Q = 60 CFS <br />HW = 1.1 - 1.50 <br />D <br />8. watershed F <br />Drainage Area 540 Ac <br />2 <br />(540 Ac)(~m~~ A~) _ '.844 mi? <br />Qio = 59.7 (.844)('709) = 52.9 CFS <br />Culvert Sizing <br />Q = 52.9 CFS D 42"b L.M.P. <br />Check, with D 42"6, Q = 60 CFS <br />Hw = t.i - 1.50 <br />D <br /> <br />~~~ <br />