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Length of Flow (ft): 1220.94 <br />Average Land Slope (percent): 11 <br />Time of Concentration (hrs): 0.17 <br />Channel Type: Trapezoidal, Equal Side Slopes <br />Dimensions: Left Side Slope 2.00:1 <br />Right Side Slope 2.00:1 <br />Base Dimension: 5.00 <br />Wetted Perimeter: 6.30 <br />Area of Wetted Cross Section: 1.63 <br />Discharge: 9.71 cfs <br />Depth of Flow: 0.29 feet <br />Velocity: 5.96 fps <br />Freeboard: 0.28 feet <br />DITCH C3 <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 <br />By: GL Date: 02/16/06 <br />Location: DITCH C -3 <br />Checked: Date: <br />Revised August 2009(PB06) Attachment 2.05.3(3) -1 -11 <br />