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SWB -2 Peak Discharge 100YR 14N0V12.txt <br />Graphical Peak Discharge wed Nov 14 16:43:22 2012 <br />Project: SwB -2 By: B Langenfeld Date: 11/14/12 <br />Location: Revenue Mine Checked: Date: <br />Developed <br />1. Data: <br />Drainage area A = 6.9637Acres <br />Runoff Curve Number. CN = 74 <br />Time of Concentration" Tc = 0.11 <br />Storm Type" = II <br />Pond and swamp areas spread <br />throughout watershed = 0.00 percent of A <br />0.0000 Acres <br />2. Frequency yr = 100 <br />3. Rainfall,P(24 -hour) in = 3.20 <br />4. Initial abstraction, Ia = 0.7027 <br />5. Compute Ia /P = 0.2196 <br />6. unit peak discharge, qu csm /in = 938.49 <br />7. Runoff,Q in = 1.0375 <br />8. Pond & swap adjustment factor, Fp = 1.00 <br />9. Peak Discharge,qp cfs = 10.5949 <br />Page 1 <br />