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Channel Type: Trapezoidal, Equal Side Slopes <br />Dimensions: Left Side Slope 2.00:1 <br />Right Side Slope 2.00:1 <br />Base Dimension: 0.00 <br />Wetted Perimeter: 2.48 <br />Area of Wetted Cross Section: 0.61 <br />Discharge: 3.20 cfs <br />Depth of Flow: 0.55 feet <br />Velocity: 5.22 fps <br />Channel Lining: EARTH <br />Freeboard: 0.30 feet <br />DITCH C23 <br />Time of Concentration (SCS Method) <br />Curve Number: 82 <br />Length of Flow (ft): 1273.05 <br />Average Land Slope (percent): 16 <br />Time of Concentration (hrs): 0.15 <br />DITCH C23 <br />Graphical Peak Discharge <br />Project: NUCLA MINE <br />Location: DITCH C23 <br />Developed <br />1. Data: <br />By: GL <br />Checked <br />Date: 02/17/06 <br />Date: <br />Revised August 2009(PB06) Attachment 2.05.3(3) -1 -39 <br />