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SEDCAD 4 for Windows <br /> 8 <br /> W54-North Upper Drainage <br /> Structure #2 (Nulls <br /> W52-North Centra/Upper Drainage <br /> Structure #1 (Null) <br /> W51 South Central Upper Drainage <br /> Structure #3(Riprap Channel <br /> W53-Upper North Ditch <br /> Trapezoidal Riprap Channel Inputs: <br /> Material: Riprap <br /> Left Right Freeboard <br /> Bottom Freeboard Freeboard <br /> Width (ft) Sideslope Sideslope Slope(%) Depth Mult. x <br /> Ratio Ratio p (ft) %of Depth (VxD) <br /> 10.00 3.0:1 3.0:1 30.0 1.00 <br /> Riprap Channel Results: <br /> Simons/OSM Method - Steep Slope Design <br /> w/o Freeboard w/ Freeboard <br /> Design Discharge: 104.59 cfs <br /> Depth: 0.37 ft 1.37 ft <br /> Top Width: 12.25 ft 18.25 ft <br /> Velocity*: <br /> X-Section Area: 4.17 sq ft <br /> Hydraulic Radius: 0.337 ft <br /> Froude Number*: <br /> Manning's n*: <br /> Dmin: 7.00 in <br /> D50: 21.00 in <br /> Dmax: 26.25 in <br /> Velocity and Manning's n calculations may not apply for this method. <br /> Structure #5(Riprap Channel) <br /> W55-Middle North Ditch <br /> Trapezoidal Riprap Channel Inputs: <br /> Material: Riprap <br /> Filename: PikeviewReclamation 100-24-Structures 10dec2019.sc4 Printed 12-10-2019 <br />