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SEDCAD 4 for Windows <br />r --hr 1 QQR -7nl n P—i. I Crh—h <br />13 <br />Elevation <br />(ft) <br />Emergency <br />Spillway (cfs) <br />Combined <br />Total <br />Discharge <br />(cfs) <br />98.00 <br />0.000 <br />0.000 <br />98.50 <br />0.000 <br />0.000 <br />99.00 <br />0.000 <br />0.000 <br />99.50 <br />0.000 <br />0.000 <br />100.00 <br />0.000 <br />0.000 <br />100.50 <br />3.625 <br />3.625 <br />100.78 <br />24.683 <br />24.683 <br />101.00 <br />48.400 <br />48.400 <br />101.50 <br />99.605 <br />99.605 <br />102.00 <br />167.398 <br />167.398 <br />102.50 <br />249.224 <br />249.224 <br />103.00 <br />344.812 <br />344.812 <br />Structure #4 (Riprap Channel) <br />0+00 to WTD -1 - West Trib Ditch <br />Trapezoidal Riprap Channel Inputs: <br />Material: Riprap <br />Left Right Freeboard Freeboard Freeboard <br />Bottom Sideslope Sideslope Slope (%) Mult. x <br />Width (ft) Ratio Ratio Depth (ft) % of Depth (VxD) <br />12.00 3.0:1 3.0:1 30.0 j 2.00 <br />Riprap Channel Results: <br />Simons/OSM Method - Steep Slope Design <br />Velocity and Manning's n calculations may not apply for this method. <br />Filename: TR -117 Post Mining 25 YR 24 HR.sc4 Printed 11-10-2017 <br />w/o Freeboard w/ Freeboard <br />Design Discharge: <br />50.04 cfs <br />Depth: <br />0.17 ft 2.17 ft <br />Top Width: <br />Velocity*: <br />13.04 ft 25.04 ft <br />X -Section Area: <br />2.17 sq ft <br />Hydraulic Radius: <br />0.166 ft <br />Froude Number*: <br />Manning's n*: <br />Dmin: <br />D50: <br />5.00 in <br />15.00 in <br />Dmax: <br />18.75 in <br />Velocity and Manning's n calculations may not apply for this method. <br />Filename: TR -117 Post Mining 25 YR 24 HR.sc4 Printed 11-10-2017 <br />