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SEDCAD+ CULVERT SIZING UTILITY <br />CSLY-25 <br />Design Discharge - 6.000 cfs <br />. <br />Entrance Loss Coefficient = 0.5 <br />Pipe Length _ 25.000 feet <br />Pipe Slope 5.000 a <br />Manning's n 0.026 <br />Maximum Headwater _ 2.250 feet <br />Tailwater Depth = 0.000 feet <br />Smallest Diameter Required to Pass Flow is 15 inches <br />PERFORMANCE CURVES: <br />Diameter: 9 inches <br />Headwater Discharge Flow <br />(ft) <br />------------- (cfs) <br />------------ Control <br />------------------------ Type <br />--------- <br />0.22 0.30 Outlet (Subcritical) 1 <br />0.45 0.61 Outlet (Subcritical) 2 <br />0.67 0.91 Inlet (Supercritical) 3 <br />0.90 1.25 Inlet (Supercritical) 4 <br />1.13 1.61 Inlet (Supercritical) 4 <br />1.35 1.97 Inlet 5 <br />1.58 2.09 Inlet 5 <br />1.80 2.18 Inlet 5 <br />2.03 2.28 Inlet 5 <br />2.25 2.37 Inlet 5 <br />2.47 2.46 Inlet 5 <br />2.70 2.56 Outlet 6 <br />2.92 2.65 Outlet 6 <br />3.15 2.75 Outlet 6 <br />3.37 <br />------------- <br />------------- 2.84 <br />------------ <br />------------ Outlet <br />-------- <br />-------- <br />---------------- <br />---------------- 6 <br />--------- <br />--------- <br />Diameter: 12 inches <br />Headwater Discharge Flow <br />(ft) (cfs) Control Type <br />0.22 0.37 Outlet (Subcritical) 1 <br />0.45 0.74 Outlet (Subcritical) 2 <br />0.67 1.18 Inlet (Supercritical) 3 <br />0.90 1.81 Inlet (Supercritical) 3 <br />1.13 2.46 Inlet (Supercritical) 4 <br />1.35 3.09 Inlet 5 <br />1.58 3.58 Inlet 5 <br />1.80 4.04 Inlet 5 <br />2.03 4.34 Inlet 5 <br />2.25 4.65 Outlet 6 <br />2.47 4.95 Outlet 6 <br />• 2.70 <br />2.92 5.14 <br />5.32 Outlet <br />Outlet 6 <br />6 <br />3.15 5.50 Outlet 6 <br />3.37 <br />------------- 5.67 <br />------------ Outlet <br />-------- <br />---------------- 6 <br />--------- <br />