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9. Peak Discharge,gp ...............cfs = 33.0340 <br />DITCH C-4 <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: 10.00 <br />Wetted Perimeter: 12.10 <br />Area of Wetted Cross Section: 5.15 <br />Discharge: 33.00 cfs <br />Depth of Flow: 0.47 feet <br />Velocity: 6.41 fps <br />Freeboard: 0.28 feet <br />DITCH C5 <br />Time of Concentration (SCS Method) <br />Curve Number: 84 <br />Length of Flow (ft): 2125.37 <br />Average Land Slope (percent): 4.01 <br />Time of Concentration (hrs): 0.42 <br />DITCH C5 <br />Graphical Peak Discharge Tue May 26 10:43:49 2009 <br />Project: NUCLA MINE By: B. Langenfeld Date: 05/26/09 <br />Revised August 2009(PB06) Attachment 2.05.3(3) -1 -14 <br />