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SEDCAD+ ERODIBLE CHANNEL DESIGN <br />------------------------------- <br />DITCH DCW-1B • <br />Limiting Velocity Technique <br />Clear Water <br />INPUT VALUES: <br />Shape TRAPEZOIDAL <br />Discharge 1.50 cfs <br />Slope 9.00 ~ <br />Sideslopes 2.00:1 (L) 2.00:1 (R) <br />Bottom Width 4.00 ft <br />Manning's n 0.030 <br />Max. Velocity 4.00 fps <br />Material GRADED SILTS - COBBLES COLLOIDAL <br />Freeboard .3 ft <br />RESULTS: <br />Actual Discharge 1.50 cfs <br />Depth 0.11 ft <br />with Freeboard 0.41 ft <br />Top Width 4.44 ft <br />with Freeboard 5.64 ft <br />Velocity 3.26 fps <br /> <br />Cross Sectional Area <br />0.46 • <br />sq ft <br />Hydraulic Radius o.lo ft <br />Froude Number 1.79 <br />• <br />