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SEDCAD+ CULVERT SIZING UTILITY <br />CSLY-21 <br />. Design Discharge = 3.000 cfs <br />Entrance Loss Coefficient = 0.5 <br />Pipe Length = 26.000 feet <br />Pipe Slope = 6.300 e <br />Manning's n = 0.024 <br />Maximum Headwater = 3.000 feet <br />Tailwater Depth = 0.000 feet <br />Smallest Diameter Required to Pass Flow is 12 inches <br />PERFORMANCE CURVES: <br />Diameter: 8 inches <br />Headwater Discharge Flow <br />(ft) <br />------------- (cfs) <br />------------ Control <br />------------------------ Type <br />--------- <br />0.30 0.37 Outlet (Subcritical) 2 <br />0.60 0.74 Inlet (Supercritical) 4 <br />0.90 1.06 Inlet 5 <br />1.20 1.28 Inlet 5 <br />1.50 1.50 Outlet 6 <br />1.80 1.72 Outlet 6 <br />2.10 1.94 Outlet 6 <br />. 2.40 <br />2.70 2.05 <br />2.12 Outlet <br />Outlet 6 <br />6 <br />3.00 2.19 Outlet 6 <br />3.30 2.26 Outlet 6 <br />3.60 2.34 Outlet 6 <br />3.90 2.41 Outlet 6 <br />4.20 2.48 Outlet 6 <br />4.50 <br />------------- <br />------------- 2.55 <br />------------ <br />------------ Outlet <br />------------------------ <br />------------------------ 6 <br />--------- <br />--------- <br />Diameter: 9 inches <br />Headwater Discharge Flow <br />(ft) <br />------------- (cfs) <br />------------ Contr <br />-------- ol <br />---------------- Type <br />--------- <br />0.30 0.41 Outlet (Subcritical) 1 <br />0.60 0.81 Outlet (Subcritical) 2 <br />0.90 1.25 Inlet (Supercritical) 4 <br />1.20 1.73 Inlet (Supercritical) 4 <br />1.50 2.08 Inlet 5 <br />1.80 2.25 Inlet 5 <br />2.10 2.43 Inlet 5 <br />2.40 2.60 Outlet 6 <br />2.70 2.77 Outlet 6 <br />3.00 2.95 Outlet 6 <br />3.30 3.06 Outlet 6 <br />3.60 3.15 Outlet 6 <br />3.90 3.25 Outlet 6 <br />4.20 3.34 Outlet 6 <br />4.50 3.43 Outlet 6 <br />