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ORCHARD VALLEY CULVERT "EE" 100 YEAR <br />Design Discharge = 3.320 cfs <br />Entrance Loss Coefficient = 0.9 <br />Pipe Length 20.000 feet <br />Pipe Slope a 1.500 1 <br />Manning's n 0.024 <br />Maximum Headwater 2.000 feet <br />Tailwater Depth = 0.000 feet <br />Smallest Diameter Required to Pass Flow is 12 inches <br />PERFORMANCE CURVES: <br />Diameter: 9 inches <br />Headwater Discharge - Flow <br />(ft) <br />------------- (cfs) <br />------------ Contr <br />-------- ol <br />---------------- Type <br />--------- <br />0.20 0.25 0 <br />0.40 0.50 Outlet (Subcritical) 1 <br />0.60 0.76 Outlet (Subcritical) 1 <br />0.80 1.00 Outlet (Subcritical) 1 <br />1.00 1.18 Outlet (Subcritical) 2 <br />1.20 1.35 Inlet (Supercritical) 3 <br />1.40 1.53 Inlet (Supercritical) 4 <br />1.60 1.70 Inlet 5 <br />1.80 1.88 Inlet 5 <br />2.00 2.03 Outlet 6 <br /> <br /> Diameter: 12 inc hes <br />-Headwater Discharge Flow <br />(ft) <br />------------- (cfs) <br />------------ Contr <br />-------- ol <br />----------------- Type <br />-------- <br />0.20 0.38 0 <br />0.40 0.7b Outlet (Subcritical) 1 <br />0.60 1.14 Outlet (Subcritical) 1 <br />0.80 1.53 Outlet (Subcritical) 1 <br />1.00 1.92 Outlet (Subcritical) 1 <br />1.20 2.37 Inlet (Supercritical) 3 <br />1.40 2.85 Inlet 5 <br />1.60 3.19 Outlet 6 <br />1.80 3.47 Outlet 6 <br />2.00 3.75 Outlet 6 <br /> <br />Diameter: 15 inches <br />Headwater. Discharge Flow <br />(ft) <br />------------- (cfs) <br />------------ Control <br />------------------------ Type <br />--------- <br />0.20 0.85 Outlet (Subcritical) 1 <br />0.40 1.27 Outlet (Subcritical) 1 <br />8.60 1.62 Outlet (Subcritical) 1 <br />0.80 1.94 Outlet (Subcritical) 1 <br />1.00 2.45 Outlet (Subcritical) 1 <br />1.20 3.01• Outlet (Subcritical) 1 <br />1.40 3.89 Outlet (Subcritical) 1 <br />1.60 4.74 Inlet 5 <br />1.80 ~ 5.35 Outlet 6 <br />7_AA 5 Rf. Malni .. .6_. ._ __ <br />GiS ~ <br />