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• <br />SEDCAD 4 for Windows <br />I`nn.~in1~11000-7M'J Camula 1 CM~uaF <br />13 <br />Velocty and Manninq's n calculations may not apply for this method. <br />Structure #22 (Null) <br />SEC. 18 NULL 4 <br />Structure #23 (Riorao Channel <br />SEC. 28 DITCH 14 <br />Trapezoidal Riprap Channel Inputs: <br /> w/o Freeboard w/ Freeboard <br />Design Discharge: 53.38 ds <br />Depth: 0.24 R 1.24 R <br />Top Width: 13.43 R 19.43 R <br />velocity*: <br />X-Section Area: 3.03 sq R <br />Hydraulic Radius: 0.225 R <br />Froude Number*: <br />Manning's n*: <br />Dmin: 4.00 in <br />050: 12.00 in <br />Dmax: 15.00 in <br /> <br />Bottom Left Right Freeboard Freeboard Freeboard <br /> <br />Width (R) Bideslo a Sideslo a Slo W° <br />~ ( ) <br /> Ratio Ratio Depth (R) No of Depth (V%D) <br />12.00 3.0:1 3.0:1 25.0 1.00 <br />Riprap Channel Results: <br />Simons/OSM Method -Steep Slope Design <br />• <br />Velocity and Manning's n calculations may not apply for this method. <br />Structure #5 (tegetated Channell <br />Material: Riprap <br />SEC. 28 DITCH 1 <br />Trapezoidal Vegetated Channel Inputs: <br />Material: Smooth brome <br />LeR <br />Bottom Righ[ <br />Retardance Freeboard Freeboard Freeboard Limiting <br />Width (R) Sideslope <br />Ratio Sideslope <br />Ra[io Slope (°/) Classes <br />Depth (ft) % of Dep[h Mull. x Velocity <br />s) <br />(f <br /> (VxD) p <br />12.00 3.0:1 3.0:1 20.0 D, B 1.00 3.0 <br />,r <br />u <br />Filename: STSec28Hundred24.010807.srA <br />Exh. 7-20A-57 <br />Printed O1-OB-2007 <br />Revision Date: I/05/07 <br />Revison No.: PR-02 <br />