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SEDCAD 4 for Windows <br />(:nrn�rinht iaaA -,)oin P—i. I c,h—h <br />Structure Detail; <br />Structure #13 (Riprap Channel <br />Ditch D30 -W <br />Trapezoidal Riprap Channel Inputs: <br />Material: Riprap <br />Bottom Left Right <br />Freeboard Freeboard Freeboard <br />Sideslope Sideslope Slope ( %) <br />Width (ft) Ratio Ratio <br />Depth (ft) % of Depth Mult. x (VxD) <br />3.00 3.0:1 1.5:1 2.7 <br />0.30 <br />Riprap Channel Results: <br />PADER Method - Steep Slope Design <br />Filename: Catchment No.2 100 Year Event- DWDA3.sc4 <br />TR -65 <br />EXH 19(22) -14 <br />Printed 04 -09 -2012 <br />04/17/2012 <br />w/o Freeboard w/ Freeboard <br />Design Discharge: <br />1.15 cfs <br />Depth: <br />0.17 ft 0.47 ft <br />Top Width: <br />Velocity: <br />X- Section Area: <br />3.74 ft 5.09 ft <br />2.06 fps <br />0.56 sq ft <br />Hydraulic Radius: <br />0.146 ft <br />Froude Number: <br />0.94 <br />Manning's n: <br />0.0330 <br />Dmin: <br />0.50 in <br />D50: <br />0.75 in No Riprap required <br />Dmax: <br />1.50 in <br />Filename: Catchment No.2 100 Year Event- DWDA3.sc4 <br />TR -65 <br />EXH 19(22) -14 <br />Printed 04 -09 -2012 <br />04/17/2012 <br />