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• Then <br />d~ <br />q' <br />v~ <br />No <br />Did <br />1.5 ft. <br />37 cfs <br />1.5 fps <br />riprap required. <br />ditch 3.5 feet deep, <br />6) East Diversion Ditch <br />Drainage Area 40 acres <br />Ground Slope - 11$ <br />Peak Flow = 38 cfs <br />Ditch also diverts discharge from No. (5) - 33 cfs <br />Total Required Flow: 33 + 38 = 71 cfs <br />Use same section as above <br />d=2.Zft. <br />q = 75 cfs <br />v = 1.8 fps <br />No riprap required. <br />Dig ditch 4.5 feet deep. <br />• <br />• <br />