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SEDCAD 4 for Windows <br />Elevation <br />(ft) <br />Emergency <br />Spillway (cfs) <br />Combined <br />Total <br />Discharge <br />(cfs) <br />94.50 <br />0.000 <br />0.000 <br />95.00 <br />0.000 <br />0.000 <br />95.50 <br />0.000 <br />0.000 <br />96.00 <br />0.000 <br />0.000 <br />96.50 <br />0.000 <br />0.000 <br />97.00 <br />0.000 <br />0.000 <br />97.50 <br />0.000 <br />0.000 <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 />100.74 <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 #8 6 inrap Channel <br />0+00 to E7D-2 - East 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 2.00 <br />Riprap Channel Results: <br />Simons/OSM Method - Steep Slope Design <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 />60.02 cfs <br />Depth: <br />0.20 ft 2.20 ft <br />Top Width: <br />Velocity*: <br />13.22 ft 25.22 ft <br />X -Section Area: <br />2.57 sq ft <br />Filename: TR -117 Post Mining 25 YR 24 HR.sc4 Printed 11-10-2017 <br />