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• 5. Compute la/P ....................... = 0.2658 <br />6. Unit peak discharge, qu......csm/in = 689.59 <br />7. Runoff,Q .........................in = 0.5225 <br />8. Pond & swap adjustment factor,...Fp = 0.75 <br />9. Peak Discharge,gp ...............cfs = 6.2067 <br />CULVERT 111 <br />Time of Concentration (SCS Method) <br />Curve Number: 79 <br />Length of Flow (ft): 1803.22 <br />• Average Land Slope (percent): 7.9 <br />Time of Concentration (hrs): 0.31 <br />CULVERT 111 <br />Graphical Peak Discharge <br />Project: NUCLA MINE <br />Location: CULVERT 111 <br />By: GL Date: 02/19/06 <br />Checked: Date: <br />Present <br />1. Data: <br />Drainage area :....................A = 49.3000 Acres <br />• <br />REVISED MARCH 2006 <br />Attachment 2.05.3(3)-1-73 <br />