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i <br />SEDCAD 4 for Windows <br />r,...,,,:~nr m°a .°mv o~.si~ i c,.n.~~e <br />Structure Detai/: <br />Structure #1 (Erodible Channel) <br />Triangular Erodible Channel Inputs: <br />Material: Shales and hardpans <br />Left Right Freeboard Freeboard Freeboard Limiting <br />Sideslope 8ideslope Slope (%) Manning's n Mult. x Velocity <br />Ratio Ratio Depth (ft) % of Depth (VxD) (fPs) <br />3.0:1 3.0:1 1.5 0,0250 0.30 6.0 <br />Erodible Channel Results: <br /> <br /> w/o Freeboard w/ Freeboard <br />Design Discharge: 39.23 ds <br />Depth: 1.50 R 1.60 R <br />Top Width: 9.00 R 10.80 ft <br />Velocity: 5.82 fps <br />X-Section Area: 6.75 sq R <br />Hydraulic Radius: 0.711 R <br />Froude Number: 1.18 <br />• Filename: TD Tri86.sc4 Printed 03-20-2007 <br />Exh. 7-20G-7 Revision Date: 3/22/07 <br />Revision No.: PR-02 <br />