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HomeMy WebLinkAboutSW6210205_1644-Drawdown_20210310Spring Lake Ray Road Dollar General Pond 1 Drawdown Time Temporary storage volume = Orifice #1 diameter= Area of orifice = Orifice #2 diameter = Area of orifice = Orifice Coefficient (Cd) _ Orifice elevation -- Water elevation --- Driving head (H) _ Discharge (Q) _ Drawdown time = 8,185 cf 1.125 in 1 0.0069 sf 0 in 0 0.0000 sf 0.60 271.05 ft 272.34 ft 0.43 ft 0.0218 cfs 375493 s 104.3 hr 4_3 days 1644-Drawdown.xlsx Printed 3/10/2021