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Location: Basin 5 <br />1. Runoff Curve Number (CN) <br />Cover description CN Soil Group Area(Acre) <br />Forest 79 C&D 2.050 <br />Disturbed 87 D 0.470 <br />CN (weighted): 80.5 <br />Total Area: 2.520 Acre <br />2. Runoff <br />Return Period: <br />Rainfall, P: <br />Runoff, Q: <br />Runoff Volume: <br />Time of Concentration (Tc) <br />Peak Flow <br />10-Year <br />1.60 in <br />0.3515 in <br />0.0738 Acre-Ft <br />0.043 hrs, 2.6 min. <br />1.38 cfs <br />Sump 5 will have approximate dimensions of 25' x 26' x 5' with a 2' tall berm on <br />the downhill side. The berm will have 2H:1V sideslopes. <br />Yule Quarry April 10 22