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<br />SEDCAD 4 for Windows <br />r.....m„~.~~ow-omo o~.~vi~ i c,.n~..,n <br />20 <br />Trapezoidal Riprap Channel Inputs: <br />Material: Riorao <br /> <br />Bottom LeR Right freeboard Freeboard Freeboard <br /> <br />Width (R) Sideslope <br />i Sideslope <br />i Slope (%) <br />Dep[h (ft) % of Depth Mult. x <br /> Rat <br />o Rat <br />o (VxD) <br />12.00 3.0:1 3.0:1 20.0 1.00 <br />Riprap Channel Results: <br />Simons/OSM Method -Steep Slope Design <br /> w/o Freeboard w/ Freeboard <br />Design Discharge: 44.62 cts '~ <br />Depth: 0.25 ft 1.25 R <br />Top Width: 13.51 R 19.51 R <br />Velocity*: <br />X-Section Area: 3.22 sq R <br />Hydraulic Radius: 0.237 R <br />Froude Number*: <br />Manning's n*: <br />Dmin: 3.00 in <br />D60: 9.00 in <br />Dmax: 11.25 in <br />Velocity and Manning's n calculations may not apply for this methotl. <br />Structure #13 (Null,] <br />SEC. 28 NULL 3 <br />Structure #14 (Riprap Channel) <br />SEC. 28 DITCH 8 <br />Trapezoidal Riprap Channel Inputs: <br />Material: RfDrdD <br />Bottom LeR Right Freeboard Freeboard Freeboard <br />Width (R) Sideslope Sideslope Slope (%) Mult. x <br />Ra[io Ratio De [h <br />P (R) %of Depth (Vx0) <br />12.00 3.0:1 3.0:1 35.0 1.00 <br />Riprap Channel Results: <br />Simons/OSM Method -Steep Slope Design <br />w/o Freeboard w/ Freeboard <br />Design Discharge: 45.16 cts <br />Depth: 0.11 ft 1.11 ft <br />Filename: STSec26Hundred24.010607.sc4 Pdnted 01-OB-2007 <br />Exh. 7-20A-64 Revision Date: 1/05/07 <br />Revison No.: PR-02 <br /> <br />• <br />• <br />