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• EAST MINE DIVERSION - WEST LIMB <br />Ditch Sizi <br />1. A = 16.0 cfs ( z of 32 cfs) <br />2. Cross section - shot June 11, 1981 <br />5' 7' <br />t~ <br />Total area A= 5 z 2 + 7 Z 2 = 12 ft2 <br />3. If V = 4 = 16.0 and V = 1=5 (A)23(S): <br />• A A n P <br />4 = 0.05 (P)y3 (0.094)' <br />then set A until V's are equal by trial and error. <br />They converge at A = 2.75 ft2 so <br />• <br />5' 7' <br />2.5' 1.6' freeboard. <br />0.9 <br />