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• DITCH C3 <br />• <br />I• <br />Time of Concentration (SCS Method) <br />Curve Number: 81 <br />Length of Flow (ft): 1457.09 <br />Average Land Slope (percent): 14.6 <br />Time of Concentration (hrs): 0.18 <br />DITCH C3 <br />Graphical Peak Discharge <br />Project: NUCLA MINE By: GL <br />Location: DITCH C-3 Checked: <br />Developed <br />1. Data: <br />Drainage area :....................A = 5.3000 Acres <br />Runoff Curve Number :.............CN = 81 <br />Time of Concentration:...........Tc = 0.18 <br />Storm Type :....................... = II <br />Date: 02/16/06 <br />Date: <br />Pond and swamp areas spread <br />throughout watershed ............... = 0.00 percent of A <br />0.0000 Acres <br />2. Frequency ........................yr = 100 <br />REVISED MARCH 2006 <br />Attachment 2.05.3(3)-1-11 <br />