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SWB -1 100YR Graphical Peak Discharge.txt <br />Graphical Peak Discharge Thu Jan 10 14:33:07 2013 <br />Project: SWB -1 By: B Langenfeld Date: 01/10/13 <br />Location: Revenue Mine Checked: Date: <br />Present <br />1. Data: <br />Drainage area A = 22.6480Acres <br />Runoff Curve Number CN = 76 <br />Time of Concentration. Tc = 0.17 <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 = 0.6316 <br />5. Compute Ia /P = 0.1974 <br />6. Unit peak discharge, qu csm /in = 803.92 <br />7. Runoff,Q in = 1.1520 <br />8. Pond & swap adjustment factor, Fp = 1.00 <br />9. Peak Discharge,qp cfs = 32.7731 <br />Page 1 <br />