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SEDCAD 4 for Windows <br />c.,...m,.n~ mm ae...aie i e..n..,an <br />13 <br />LeR Right Freeboard Freeboard Freeboard Limiting <br />Sideslope sideslope - Slope (%) Manning's n Velocity <br />Ratio Ratio Depth (R) % of Depth (V ~) (fPS) <br />20.0:1 2.0:1 2.0 0.0250 0.30 6.0 <br />Erodible Channel Results: <br /> w/o Freeboard w/Freeboard <br />Design Discharge: 2.09 cfs <br />Depth: 0.29 ft 0.59 R <br />Top Width: 6.32 R 12.92 R <br />Velocity: 2.31 fps <br />X-Section Area: 0.91 sq R <br />Hydraulic Radius: 0.143 <br />Froude Number: 1.07 <br />Structure #22 Ri rap Channel) <br />D-F22 <br />Trapezoidal Riprap Channel Inputs: <br />Material: Rioraa <br />Left <br />Bottom Right Freeboard Freeboard Freeboard <br />Sideslope <br />Width (ft)} Sideslope Slope (%) <br />Depth (R) %of Depth Mult. x <br />Ratio Ratio (VxD) <br />3.00 1.5:1 1.5:1 50.0 1.00 <br />Riprap Channel Results: <br />Simons/OSM Method -Steep Slope Design <br />I• <br /> w/o Freeboard w/ Freeboard <br />Design Discharge: 23.04 cfs <br />Depth: 0.17 ft 1.17 ft <br />Top Width: 3.52 R 6.52 R <br />Velocity*: <br />X-Section Area: 0.57 sq R <br />Hydraulic Radius: 0.157 <br />Froude Number*: <br />Manning's n*: <br />Dmin: 8.00 in <br />D50: 24.00 in <br />Dmax: 30.00 in <br />Velocity and Manning's n calculations may not apply for this method. <br />Filename: Gob PileDitches.sc4 <br />APP-B - 21 - <br />Printed 10-29-2003 <br />11 /03 <br />