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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: 3.52 <br />Area of Wetted Cross Section: 1.24 <br />Discharge: 4.10 cfs <br />Depth of Flow: 0.79 feet <br />Velocity: 3.30 fps <br />Channel Lining: EARTH <br />Freeboard: 0.30 feet <br />DITCH C25 <br />Time of Concentration (SCS Method) <br />Curve Number: 80 <br />Length of Flow (ft): 4353.62 <br />Average Land Slope (percent): 2.9 <br />Time of Concentration (hrs): 1.01 <br />DITCH C25 <br />Graphical Peak Discharge <br />Project: NUCLA MINE By: GL <br />Location: DITCH C25 Checked: <br />Developed <br />1. Data: <br />Drainage area: .................... A = 74.2000 Acres <br />Date: 02/17/06 <br />Date: <br />Revised August 2009(PB06) Attachment 2.05.3(3) -1 -42 <br />