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6• Watershed E <br />• Drainage Area . 56 Ac <br />(56 Ac)(Imi? ) _ ,088 m!? <br />b 0 c <br />Qio = 59.7 (.088)(.709) = <br />10.7 CFS <br />Culvert Sizing <br />Q = 10.7 CFS - D = 24"B L.M.P. <br />Check, with D = 24" <br />D. Q = 11 CFS <br />i!W ..,g - 1.50 <br />D <br />7. Combined Watersheds F d X <br />Drainage Area 540 Ac + 31 Ac = $7T Ac <br />(571 Ac)(imi? ) _ .892 mi- <br />S~p 2 <br />Qio = 59.7 (.892)('709) = 55.t CFS <br />Culvert Sizing <br />• Q ° 55.1 CFS - D.= 42"D C.H. P, <br />Check, with D . 42„ <br />D. Q = 60 CFS <br />= 1.1 - 1.50 <br />8• Watershed F <br />Drainage Area . 540 Ac <br />(540 Ac)(im12 2 <br />bT0 pc) _ :844 mi- <br />R1o = 59.7 (.844)(•709) = 52,9 CFS <br />Culvert Sizing <br />Q = 52.9 CFS D = 42"D C.N.P. <br />Check, with D • 42"g, Q = 60 CFS <br />HW = 1.1 - 1.50 <br />D <br />~f~ <br />