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Structure Detail: <br />Structure #18 (Vegetated Channel) <br /> Streeter Ditch 125+00 to 187+00 <br /> Trapezoidal Vegetated Channel Inputs: <br />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 />15.00 3.0:1 3.0:1 2.6 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: 152.94 cfs 152.94 cfs <br />Depth: 1.15 ft 1.61 ft <br />Top Width: 21.92 ft 24.64 ft <br />Velocity: 7.19 fps 4.81 fps <br />X-Section Area: 21.28 sq ft 31.83 sq ft <br />Hydraulic Radius: 0.955 ft 1.265 ft <br />Froude Number: 1.29 0.74 <br />Roughness Coefficient: 0.0324 0.0585 <br />Structure #17 (Vegetated Channel) <br /> Buckskin Ditch <br /> Trapezoidal Vegetated Channel Inputs: <br />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 />12.00 3.0:1 3.0:1 4.0 D, B 7.0 <br /> Vegetated Channel Results: <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 6