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Discharge: 61.79 cfs <br />Depth of Flow: 1.43 feet <br />Velocity: 4.39 fps <br />Channel Lining: GRASS <br />Freeboard: 0.30 feet <br />DITCH C19 <br />Time of Concentration (SCS Method) <br />Curve Number: 78 <br />Length of Flow (ft): 1127.27 <br />Average Land Slope (percent): 5.7 <br />Time of Concentration (hrs): 0.26 <br />DITCH C19 <br />Graphical Peak Discharge <br />Project: NUCLA MINE By: GL Date: 02/16/06 <br />Location: DITCH C19 Checked: Date: <br />Developed <br />1. Data: <br />Drainage area: .................... A = 5.2000 Acres <br />Runoff Curve Number: ............. CN = 78 <br />Time of Concentration: ........... Tc = 0.26 <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 = 100 <br />Revised June 2011 (TR -60) Attachment 2.05.3(3) -1 -33 <br />