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SEDCAD 4 for Windows <br />r,,..~..;~nr ~oon.~nno c~„„e~.i c~~,~..nn <br />S <br />Structure Detar/; <br />Structure ~`Z (Riprap Channel <br />Trapezoidal Riprap Channel Inputs: <br />Material: Riprap <br />Left <br />Bottom ~ Right Freeboard Freeboard Freeboard <br />Sideslope <br />Width (ft) Sideslope Slope ("/o) <br />i <br />Depth (R) % of Depth Mult. x <br />Ratio Rat <br />o (VxD) <br />12.00 3.0:1 3.0:1 20.0 X1.00 <br />Riprap Channel Results: <br />Simons/05M Method -Steep Slope Design <br />~~ <br /> w/o Freeboard w/ Freeboard <br />Design Discharge: 31.28 cfs ~ <br />Depth: 0.19 ft ~ 1.19 R <br />Top Width: 13.13 ft j 19.13 R <br />Velocty*: ~ <br />X-Section Area: 2.36 sq R <br />Hydraulic Radius: 0.179 ft I <br />Froude Number*: ~ <br />Manning's n*: I <br />Dmin: 3.00 in <br />bSD: 9.00 in ~ <br />- Dmax: 11.25 in <br />Velocity and Manning's n calculations may not apply for this method. <br /> <br />Filename: secondary100.srA <br />Exh. 7-20E-9 <br />Printed 03-29-2007 <br />Revision Date: 03/29/07 <br />Revision No.: PR-02 <br />