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SEDCAD+ CULVERT SIZING UTILITY <br />CSLY-19 <br />Design Discharge = 20.000 <br />Entrance Loss Coefficient = 0.5 <br />Pipe Length = 258.000 <br />Pipe Slope = 27.400 <br />Manning's n = 0.024 <br />Maximum Headwater = 3.750 <br />Tailwater Depth = 0.000 <br />Smallest Diameter Required to Pass Flow is <br />PERFORMANCE CURVES: <br />Diameter: 18 inches <br />cfs <br />feet <br />feet <br />feet <br />24 inches <br />Headwater Discharge Flow <br />(ft) (cfs) <br />----- Control <br />--------------------- Type <br />--------- <br />------------- <br />0.38 ------- <br />0.80 --- <br />Outlet (Subcritical) 2 <br />0.75 2.04 Inlet (Supercritical) 3 <br />1.13 3.76 Inlet (Supercritical) 3 <br />1.50 5.78 Inlet (Supercritical) 3 <br />1.88 7.84 Inlet 5 <br />2.25 9.50 Inlet 5 <br />2.63 10.93 Inlet 5 <br />3.00 12.18 Inlet 5 <br />• <br />3.38 13.31 Inlet 5 <br />3.75 14.36 Inlet 5 <br />4.13 15.34 Inlet 5 <br />4.50 16.25 Inlet 5 <br />4.88 17.13 Inlet 5 <br />5.25 17.95 Inlet 5 <br />5.63 18.74 Inlet 5 <br />Diameter: 21 inches <br />Headwater Discharge Flow <br />(ft) (cfs) <br />- Control <br />---------- <br />------- Type <br />--------- <br />------------- <br />0.38 ---- <br />------- <br />0.89 --- <br />Inlet ---- <br />(Supercritical) 3 <br />0.75 2.40 Inlet (Supercritical) 3 <br />1.13 4.38 Inlet (Supercritical) 3 <br />1.50 6.74 Inlet (Supercritical) 3 <br />1.88 9.41 Inlet (Supercritical) 3 <br />2.25 11.90 Inlet 5 <br />2.63 13.98 Inlet 5 <br />3.00 15.78 Inlet 5 <br />3.38 17.40 Inlet 5 <br />3.75 18.88 Inlet 5 <br />4.13 20.25 Inlet 5 <br />. <br />4.50 21.54 Inlet 5 <br />4.88 22.75 Inlet 5 <br />5.25 23.90 Inlet 5 <br />5.63 25.00 Inlet 5 <br />