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3. Design details <br />Discharge ......................... ..............................: 30.20 cfs <br />Depth of Flow ..................... ..............................: 1.96 feet <br />Velocity .......................... ..............................: 2.50 fps <br />Channel Lining .................... ..............................: Oridinary firm loam <br />Freeboard......................... ..............................: 0.30 feet <br />DITCH C6 (Removed from site.) <br />DITCH C7 <br />Time of Concentration (SCS Method) <br />Curve Number: 85 <br />Length of Flow (ft): 1327.47 <br />Average Land Slope (percent): 14.8 <br />Time of Concentration (hrs): 0.15 <br />DITCH C7 <br />Graphical Peak Discharge <br />Project: NUCLA MINE By: GL Date: 02/16/06 <br />Location: DITCH C7 Checked: Date: <br />Developed <br />1. Data: <br />Drainage area: .................... A = 5.8000 Acres <br />Runoff Curve Number: ............. CN = 85 <br />Time of Concentration: ........... Tc = 0.15 <br />Storm Type: ....................... = II <br />Pond and swamp areas spread <br />throughout watershed ............... = 0.00 percent of A <br />Revised June 2011 JR -60) Attachment 2.05.3(3) -1 -16 <br />