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2. Peak flow capacity of Emergency Spilltaay <br />• ~ 1.5ft <br />Q = A ln5 R2/3 S2 3.Oft <br />Q = (1.5 ft 3 ft) (0.0]7) (1.5 6 ftft2)2/3 (0.015)2 <br />Q = (4.5 ft) (88.235) (0.825) (0.122) <br />Q = 40.T cfs <br />3. Freeboard <br />H - (3L)2/3 - (3 3?Oft)S ) 2/3 = 0.44 ft <br />• <br />Summary <br />1. Pond Volume <br />Water volume 0.06 acre ft <br />Sediment volume 0.04 acre ft <br />Needs at least 0.10 acre ft <br />Designed for 0.11 acre ft <br />2. Peak flow <br />Needs at least 2.62 cfs <br />Designed for 40.1 cfs <br />3. Freeboard <br />Needs at least- 0.44 ft + 1.0 ft from bottom of spillway <br />Designed for 1.5 ft <br />• <br />