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ORCHARD VALLEY CULVERT "D'" 10 YEAR <br />Design Discharge 1.030 cfs <br />Entrance Loss Coefficient = 0.9 <br />Pipe Length = 50.000 feet <br />Pipe Slope 4.000 °s <br />Manning's n 0.024 <br />Maximum Headwater = 1.500 feet <br />Tailwater Depth 0.000 feet <br />Smallest Diameter Required to Pass Flow is 8 inches <br />PERFORMANCE CURVES: <br />Diameter: 6 inches <br /> <br />Headwater Discharge Flow <br />(ft) <br />------------- (cfs) <br />------------ Control <br />------------------------ Type <br />--------- <br />0.15 0.03 0 <br />0.30 0.07 0 <br />0.45 0.10 Outlet (Subcritical) 1 <br />.0.60 0.13 Outlet (Subcritical) 1, <br />0.75 0.16 Outlet (Subcritical) 1 <br />0.90 0.20 Outlet (Subcritical) 1 . <br />1.05 0.23 Outlet (Subcritical) 1 <br />1.20 0.26 Outlet (Subcritical) 2 <br />1.35 0.29 Outlet (Subcritical) 2 <br />1.50 0.33 Outlet (Subcritical) 2 <br />Diameter: 8 inches <br />Headwater Discharge Flow <br />(ft) <br />------------- (cfs) <br />------------ Contr <br />-------- ol <br />---------------- Type <br />--------- <br />0.15 0.18 Outlet (Subcritical) 1 <br />0.30 0.37 Outlet (Subcritical) 2 <br />0.45 0.55 Inlet (Supercritical) 3 <br />0.60 0.74 Inlet (Supercritical) 4 <br />0.75 0.92 Inlet 5 <br />0.90 1.03 Inlet 5 <br />1.05 1.07 Inlet 5 <br />1.20 1.11 Inlet 5 <br />1.35 1.16 Inlet 5 <br />1.50 1.20 Inlet 5 <br />Diameter: 9 inches - <br />• <br />Headwater Discharge Flow <br />(ft) <br />----------- (cfs) <br />------------ Contr <br />-------- ol <br />---------------- Type <br />--------- <br />-- <br />0.15 0.20 Outlet (Subcritical) 1 <br />0.30 0.41 Outlet (Subcritical) 1 <br />0.45 0.61 Outlet (Subcritical) 2 <br />0.60 0.81 Outlet (Subcritical) 2 <br />0.75 1.01 Inlet (Supercritical) 3 <br />0.90 1.16 Inlet (Supercritical) 3 <br />1.05 1.31 Inlet (Supercritical) 4 <br />1.20 1.46 inlet (Supercritical) 4 <br />1.35 1.61 Inlet 5 <br />7 S!A 1 7F Tnlnt ~ <br />C-f3 <br />