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I • <br />I • <br />Graphical Peak Discharge <br />Project: NUCLA MINE <br />Location: DITCH C21 <br />Developed <br />1. Data: <br />By: GL Date: 02/17/06 <br />Checked: Date: <br />Drainage area :....................A = 2.8000 Acres <br />Runoff Curve Number :.............CN = 80 <br />Time of Concentration:...........Tc = 0.30 <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 = 10 <br />3. Rainfall,P(24-hour) ..............in = 2.00 <br />4. Initial abstraction, la............ = 0.5000 <br />5. Compute la/P ....................... = 0.2500 <br />6. Unit peak discharge, qu......csm/in = 608.01 <br />• 7. Runoff,Q .........................in = 0.5625 <br />xFV~sEn MaxcH zoos Attachment 2.05.3(3)-1-44 <br />