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SEDCAD+ CULVERT SIZING UTILITY <br />Coal Gulch <br />~. • <br />Design Discharge 93.770 cfs <br />Entrance Loss Coefficient = 0.7 <br />pipe Length = 40.000 feet <br />Pipe Slope = 1.000 $ <br />Manning's n = 0.150 <br />Maximum Headwater = 8.000 feet <br />Tailwater Depth = 0.000 feet <br />Smallest Diameter Required to Pass Flow is 72 inches <br />PERFORMANCE CURVES: <br />Diameter: 72 inches <br />\.• <br />i • <br />Headwater Discharge Flow <br />(ft) {cfs) Control Type <br />0.80 13.51 Outlet (SUbcritical) 1 <br />1.60 23.51 Outlet (SUbcritical) 1 <br />2.40 31.65 Outlet (Subcritical) 1 <br />3.Z0 38.65 Outlet (SUbcritical) 1 <br />4.00 49.07 Outlet (Subcritical) 1 <br />4.80 64.20 Outlet (Subcritical} 1 <br />5.60 80.53 Outlet (Subcritical) 1 <br />6.40 87.69 ~'•Inlet (Supercritical) 3 <br />7.20 88.84 Outlet 6 <br />8.00 100.00 Outlet 6 <br />g,g0 111.46 Outlet 6 <br />9.60 121.85 Outlet 6 <br />10.40 131.42 Outlet 6 <br />11.20 140.34 Outlet 6 <br />12.00 148.73 Outlet 6 <br /> <br />SEDCIiD+ Cul~~r< S(zln4 I14131ty <br />Coal Gulch <br />12.08 <br />H <br />p 9.00 <br />D <br />U <br />R <br />E 6.00 <br />R <br />` 3.00 <br />O.BB 0 <br /> <br /> <br /> <br /> v 66,8 fnch~s <br /> 0 92 ;nohis <br />0 6 'nohes <br />x 10H inoh~r <br />85 DISCHRRGE lots ZSS <br />344 <br />PAISC - 8 New 2/4/94 <br />