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SEDCAD+ CULVERT SIZING UTILITY <br />CSLY-14 <br />Design Discharge = 17.000 cfs <br />Entrance Loss Coefficient = 0.5 <br />Pipe Length = 30.000 feet <br />Pipe Slope = 4.000 <br />Manning's n = 0.024 <br />Maximum Headwater = 3.750 feet <br />Tailwater Depth = 0.000 feet <br />Smallest Diameter Required to Pass Flow is 21 inches <br />PERFORMANCE CURVES: <br />Diameter: 15 inches <br />Headwater Discharge Flow <br />(ft) <br />------------- (cfs) <br />------------ Control <br />------------------------ Type <br />--------- <br />0.38 0.71 Outlet (Subcritical) 2 <br />0.75 1.72 Inlet (Supercritical) 3 <br />1.13 3.13 Inlet (Supercritical) 3 <br />1.50 4.71 Inlet (Supercritical) 4 <br />1.88 6.03 Inlet 5 <br />2.25 7.09 Inlet 5 <br />2.63 8.02 Inlet 5 <br />3.00 8.79 Outlet 6 <br />3.38 9.36 Outlet 6 <br />3.75 9.85 Outlet 6 <br />4.13 10.31 Outlet 6 <br />4.50 10.76 Outlet 6 <br />4.88 11.19 Outlet 6 <br />5.25 11.60 Outlet 6 <br />5.63 <br />------------- <br />------------- 12.00 <br />------------ <br />------------ Outlet <br />-------- <br />-------- <br />----------------- <br />----------------- 6 <br />-------- <br />-------- <br />Diameter: 18 inches <br />Headwater Discharge Flow <br />(ft) <br />------------- (cfs) <br />------------ Contr <br />-------- ol <br />---------------- Type <br />--------- <br />0.38 O.BO 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 />3.38 13.31 Inlet 5 <br />3.75 14.36 Inlet 5 <br />4.13 15.34 Inlet 5 <br />4.50 16.21 Inlet 5 <br />4.88 16.93 Outlet 6 <br />5.25 17.58 Outlet 6 <br />5.63 <br />------------- <br />------------- 18.21 <br />------------ <br />------------ Outlet <br />-------- <br />-------- <br />---------------- <br />---------------- 6 <br />--------- <br />--------- <br />