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SEDCAD+ CULVERT SIZING UTILITY <br />ORCHARD VALLEY CULVERT "C" 100 YEAR <br />Design Discharge = 5.450 <br />Entrance Loss Coefficient = 0.9 <br />Pipe Length = 110.000 <br />Pipe Slope = 2.700 <br />Manning's n 0.024 <br />Maximum Headwater = 3.500 <br />Tailwater Depth = 0.000 <br />cfs <br />feet <br />feet <br />feet <br />Smallest Diameter Required to Pass Flow is 15 inches <br />PERFORMANCE CURVES: <br />Diameter: 12 inches <br />Headwater Discharge Flow <br />(ft) <br />------------- (cfs) <br />------------ Control <br />-- <br />--------------------- Type <br />------ <br />- <br />0.35 0.57 - <br />Outlet (Subcritical) -- <br />2 <br />0.70 1.25 Inlet (Supercritical) 3 <br />1.05 2.24 Inlet (Supercritical) 3 <br />1.40 3.04 Inlet 5 <br />1.75 3.21 Inlet 5 <br />2.10 3.38 Inlet 5 <br />2.45 3.55 Outlet 6 <br />2.80 3.72 Outlet 6 <br />3.15 3.89 Outlet 6 <br />3.50 <br />------------- <br />------------- 4.04 <br />------------ <br />------------ Outlet <br />------------------------ <br />------------------------ 6 <br />--------- <br />--------- <br />• Diameter: 15 inches <br />Headwater Discharge Flow <br />(ft) <br />------------- (cfs) <br />------------ Control <br />------------------------ Type <br />--------- <br />0.35 0.66 Outlet (Subcritical) 2 <br />0.70 1.56 Inlet (Supercritical) 3 <br />1.05 2.83 Inlet (Supercritical) 3 <br />1.40 4.30 Inlet (Supercritical) 4 <br />1.75 5.39 Inlet 5 <br />2.10 6.05 Outlet 6 <br />2.45 6.29 Outlet 6 <br />2.80 6.54 Outlet 6 <br />3.15 6.78 Outlet 6 <br />3.50 <br />------------- <br />------------- 7.03 <br />------------ <br />------------ Outlet <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 />0.35 0.75 Outlet (Subcritical) 2 <br />0.70 1.85 Inlet (Supercritical) 3 <br />1.05 3.39 Inlet (Supercritical) 3 <br />1.40 5.21 Inlet (Supercritical) 3 <br />1.75 7.22 Inlet (Supercritical) 3 <br />• 2.10 <br />2.45 8.87 <br />9.62 Inlet <br />Outlet 5 <br />6 <br />2.80 10.17 Outlet 6 <br />1F 1/1 GF n..l1o4 ~. <br />c- Z 9 <br />