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SEDCAD 4 for Windows <br />i z,6 ­k <br />Structure Detail: <br />Structure #30 (Riprap Channel) <br />DfTCHJ9 <br />Trapezoidal Riprap Channel Inputs: <br />Material: Riprap <br />Bottom - Left Right - <br />Freeboard Freeboard Freeboard <br />Sideslope Sideslope Slope ( %) - <br />Width (ft) <br />- <br />Ratio Ratio - - <br />- Depth (ft) _ %of Depth Mult. x (VxD) <br />3.00 1.5:1 1.5:1 11.01 <br />1.00 <br />Riprap Channel Results: <br />Sirnons/OSM Method - Steep Slope Design <br />Filename: Pond J_100 year.sc4 <br />TR-91 <br />Velocity and Manning's n calculations may not apply for this method. <br />Volume X1, App. B-55 <br />1 <br />Printed 09-02-2014 <br />09/14 <br />w/o Freeboard w/ Freeboard <br />Design Discharge: <br />13.82 cfs <br />Depth, <br />0.28 ft 1.28 ft <br />Top Width: <br />3.84 ft 6.84 ft <br />Velocity*: <br />X-Section Area: ---- <br />--- --- 0.96 sq ft <br />Hydraulic Radius: <br />0.239 ft <br />Froude Number*: <br />n*: <br />-manning's <br />Dmin: <br />5.00 in <br />D50: <br />15.00 In <br />Dmax: <br />18-75 In <br />Velocity and Manning's n calculations may not apply for this method. <br />Volume X1, App. B-55 <br />1 <br />Printed 09-02-2014 <br />09/14 <br />