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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: 5.00 <br />Wetted Perimeter: 9.73 <br />Area of Wetted Cross Section: 7.52 <br />Discharge: 26.90 cfs <br />Depth of Flow: 1.06 feet <br />Velocity: 3.58 fps <br />Channel Lining: GRASS RECLAIMED <br />Freeboard: 0.30 feet <br />DITCH C18 (FORMERLY EAST DITCH 007) <br />Time of Concentration (SCS Method) <br />Curve Number: 78 <br />Length of Flow (ft): 7113.73 <br />Average Land Slope (percent): 5 <br />Time of Concentration (hrs): 1.21 <br />DITCH C18 UPPER PORTION <br />Graphical Peak Discharge <br />Project: NUCLA MINE <br />Location: DITCH C18 <br />Developed <br />1. Data: <br />By: GL <br />Checked <br />Date: 02/16/06 <br />Date: <br />Revised August 2009(PB06) Attachment 2.05.3(3) -1 -30 <br />