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Material: Smooth brome <br />Bottom <br />Width (ft) <br />Left <br />Sideslope <br />Ratio <br />Right <br />Sideslope <br />Ratio <br />Slope (%)Retardance <br />Classes <br />Freeboard <br />Depth (ft) <br />Freeboard <br />% of Depth <br />Freeboard <br />Mult. x <br />(VxD) <br />Limiting <br />Velocity <br />(fps) <br />2.00 1.0:1 7.0:1 3.0 D, B 7.0 <br /> Vegetated Channel Results: <br />Stability <br />Class D w/o <br />Freeboard <br />Stability <br />Class D w/ <br />Freeboard <br />Capacity <br />Class B w/o <br />Freeboard <br />Capacity <br />Class B w/ <br />Freeboard <br />Design Discharge: 2.06 cfs 2.06 cfs <br />Depth: 0.41 ft 0.80 ft <br />Top Width: 5.26 ft 8.40 ft <br />Velocity: 1.39 fps 0.49 fps <br />X-Section Area: 1.48 sq ft 4.16 sq ft <br />Hydraulic Radius: 0.276 ft 0.484 ft <br />Froude Number: 0.46 0.12 <br />Roughness Coefficient: 0.0781 0.3207 <br />Structure #4 (Riprap Channel) <br /> Streeter Ditch 0+00 to 10+00 <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 />6.00 2.0:1 2.0:1 28.3 <br /> Riprap Channel Results: <br />PADER Method - Steep Slope Design <br />w/o Freeboard w/ Freeboard <br />Design Discharge: 11.02 cfs <br />Depth: 0.28 ft <br />Top Width: 7.13 ft <br />Velocity: 5.92 fps <br />X-Section Area: 1.86 sq ft <br />Hydraulic Radius: 0.256 ft <br />Froude Number: 2.04 <br />Manning's n: 0.0540 <br />Dmin: 2.00 in <br />Filename: Exhibit 7-14E Streeter Ditch 100 Yr 24 Hr.sc4 Printed 02-10-2020 <br />SEDCAD 4 for Windows <br />Copyright 1998 -2010 Pamela J. Schwab <br />Civil Software Design, LLC 16