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SEDCAD 4 for Windows <br />r— ... inhr i°°R _7nn7 P -1. I Crh ... ah <br />�J <br />Structure #76 (Erodible Channe /) <br />DSL Y -14 <br />Triangular Erodible Channel Inputs: <br />Material: Graded silts to cobbles when colloidal <br />Left Right <br />w/o Freeboard w/ Freeboard <br />Top Width: <br />1.22 ft 2.42 ft <br />Velocity: <br />3.50 fps <br />X- Section Area: <br />0.18 sq ft <br />Hydraulic Radius: <br />0.136 ft <br />Froude Number: <br />1.58 <br />Structure #76 (Erodible Channe /) <br />DSL Y -14 <br />Triangular Erodible Channel Inputs: <br />Material: Graded silts to cobbles when colloidal <br />Left Right <br />Freeboard Freeboard Freeboard <br />Limiting <br />Sideslope Sideslope Slope ( %) Manning's n <br />Mult. x <br />Velocity <br />Ratio Ratio <br />Dth (ft) <br />ep) % of Depth (VxD) <br />(fps) <br />1.0:1 3.0:1 11.3 0.0300 <br />0.30 <br />5.5 <br />Erodible Channel Results: <br />Max. Tailwater Entrance <br />Length (ft) Slope ( %) Manning's n Headwater Loss Coef. <br />(ft) (ft) ( Ke) <br />28.00 5.00 0.0240 3.00 0.00 0.9( <br />Culvert Results: <br />Design Discharge = 3.47 cfs <br />Minimum pipe diameter: 1 - 10 inch pipe(s) required <br />• Structure #74 (Erodible Channel) <br />Filename: Sylvester Gulch_09292010.sc4 <br />50 <br />Structure #75 (Culvert) <br />CSL Y -21 <br />Culvert Inputs: <br />Printed 10 -06 -2010 <br />i <br />w/o Freeboard w/ Freeboard <br />Design Discharge: <br />3.47 cfs <br />Depth: <br />0.52 ft 0.82 ft <br />Top Width: <br />2.09 ft 3.29 ft <br />Velocity: <br />6.34 fps <br />X- Section Area: <br />0.55 sq ft <br />Hydraulic Radius: <br />0.234 ft <br />Froude Number: <br />2.18 <br />Structure #75 (Culvert) <br />CSL Y -21 <br />Culvert Inputs: <br />Printed 10 -06 -2010 <br />i <br />