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Structure #6 (Null) <br /> Null at Culvert 36 & 36A Confluence <br />Structure #2 (Riprap Channel) <br /> C-3 Channel <br /> Trapezoidal Riprap Channel Inputs: <br />Material: Riprap <br />Bottom <br />Width (ft) <br />Left <br />Sideslope <br />Ratio <br />Right <br />Sideslope <br />Ratio <br />Slope (%)Freeboard <br />Depth (ft) <br />Freeboard <br />% of Depth <br />Freeboard <br />Mult. x <br />(VxD) <br />5.00 2.0:1 2.0:1 17.0 2.92 <br /> Riprap Channel Results: <br />Simons/OSM Method - Steep Slope Design <br />w/o Freeboard w/ Freeboard <br />Design Discharge: 3.57 cfs <br />Depth: 0.08 ft 3.00 ft <br />Top Width: 5.31 ft 16.99 ft <br />Velocity*: <br />X-Section Area: 0.39 sq ft <br />Hydraulic Radius: 0.074 ft <br />Froude Number*: <br />Manning's n*: <br />Dmin: 3.00 in <br />D50: 9.00 in <br />Dmax: 11.25 in <br />Velocity and Manning's n calculations may not apply for this method. <br />Structure #1 (Null) <br /> Null at Confluecne of C-3 & C-4 Channels <br />Filename: C-3 C-4 Channels 10-yr 24-hr.sc4 Printed 06-16-2021 <br />SEDCAD 4 for Windows <br />Copyright 1998 -2010 Pamela J. Schwab <br />Civil Software Design, LLC 8