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• 0.0000 Acres <br />2. Frequency ........................yr = 10 <br />3. Rainfall,P(24-hour) ..............in = 2.00 <br />4. Initial abstraction, la............ = 0.3810 <br />5. Compute la/P ....................... = 0.1905 <br />6. Unit peak discharge, qu......csm/in = 893.12 <br />7. Runoff,Q .........................in = 0.7439 <br />8. Pond & swap adjustment factor,...Fp = 1.00 <br />• 9. Peak Discharge,gp ...............cfs = 5.7095 <br />DITCH C11 <br /> <br />Time of Concentration (SCS Method) <br />Curve Number: 80 <br />Length of Flow (ft): 3808.95 <br />Average Land Slope (percent): 4.3 <br />Time of Concentration (hrs): 0.74 <br />DITCH C11 <br />Graphical Peak Discharge <br />Project: NUCLA MINE <br />REVISED MP.RCH 2006 <br />By: GL Date: 02/16!06 <br />Attachment 2.05.3(3)-1-23 <br />