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• Curve Number: 78 <br />Length of Flow (ft): 2769.73 <br />Average Land Slope (percent): 6.4 <br />Time of Concentration (hrs): 0.50 <br />DITCH D108 <br />Graphical Peak Discharge <br />Project: NUCLA MINE By: GL Date: 02/17/06 <br />Location: DITCH D108 Checked: Date: <br />Developed <br />1. Data: <br />• Drainage area :....................A = 41.7000 Acres <br />Runoff Curve Number :.............CN = 78 <br />L J <br />Time of Concentration:...........Tc = 0.50 <br />Storm Type :....................... = II <br />Pond and swamp areas spread <br />throughout watershed ............... = 3.00 percent of A <br />1.2510 Acres <br />2. Frequency ........................yr = 10 <br />3. Rainfall,P(24-hour) ..............in = 2.00 <br />REVISED MARCH 2006 <br />Attachment 2.05.3(3)-1-54 <br />