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SEDCAD 4 for Windows <br />24 <br />Bottom LeR Right Freeboard Freeboard <br />Freeboard <br />Width (R) Sideslope Sideslope Slope (%) <br />R De th <br />P (R) %of Depth Mult. x <br />Ratio atio (VxD) <br />12.00 2.0:1 2.0:1 17.5 1.OD <br />Riprap Channel Results: <br />Simons/OSM Method -Steep Slope Design <br /> w/o Freeboard w/ Freeboard <br />Design Discharge: 11.55 cfs <br />Depth: 0.09 R 1.09 ft <br />Top Width: 12.36 R 16.36 R <br />velocity*: <br />X-Section Area: 1.09 sq ft <br />Hydraulic Radius: 0.088 R <br />Froude Number*: <br />Manning's n*: <br />Dmin: 2.00 in <br />050: 6.00 in <br />Dmax: 7.50 in <br />Velocity and Manning's n calculations may not apply for this method. <br />Structure #IS(Null) <br />SEC. 21 NULL 2 <br />Structure #16 (Riprap Channe/) <br />SEC. 21 DITCH 10 <br />Trapezoidal Riprap Channel Inputs: <br />Material: Riprap <br />Bottom Left Right <br />Freeboard <br />Freeboard Freeboard <br />Width (ft) Sideslope Sideslope Slope (°~) Depth R % of Depth Mult. x <br />() <br />Ratio Ratio (VzD) <br />12.00 2.0:1 2.0:1 10.3 1.00 <br />Riprap Channel Results: <br />Simons/OSM Method -Steep Slope Design <br />w/o Freeboard w/ Freeboard <br />Design Discharge: 22.59 cfs <br />Depth: 0.19 R 1.19 ft <br />Filename: STSec21Ten24.030807.sc4 Printed 03-09-2007 <br />Exh. 7-20B-28 Revision Date: 3/12/07 <br />Revision No.: PR-02 <br />`~ <br /> <br /> <br />