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SEDCAD 4.0 <br />(.—Mr hf 1000._7NM 0-1. 1 Crhuieh <br />Refuse Disposal Area - Ditch RDA -4, 2.8% Slope <br />(Design for 100-yr., 24 -hr event) <br />Material: Riprap <br />Trapezoidal Channel <br />Left Right Freeboard Freeboard Freeboard <br />Width Wid <br />Bottom <br />w/o Freeboard w/ Freeboard <br />(ft) Sideslope Sideslope Slope ( %) <br />Depth (ft) % of Depth Mult. x <br />P <br />Ratio Ratio <br />(V)(D) <br />5.00 3.0:1 3.0:1 2.81 <br />0.30 <br />PADER Method - Steep Slope Design <br />• <br />• <br />SEDCAD Utility Run Printed 09-28 -2009 <br />w/o Freeboard w/ Freeboard <br />Design Discharge: <br />83.00 cfs <br />Depth: <br />1.38 ft 1.68 ft <br />Top Width: <br />13.30 ft 15.10 ft <br />Velocity: <br />6.56 fps <br />X- Section Area: <br />12.66 sq ft <br />Hydraulic Radius: <br />0.921 ft <br />Froude Number: <br />1.18 <br />Manning's n: <br />0.0360 <br />Dmin: <br />3.00 in <br />D50: <br />6.00 in <br />Dmax: <br />9.00 in <br />SEDCAD Utility Run Printed 09-28 -2009 <br />