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J 1;UCAU+ CULVk:li'1' 711.1 lvv U'1'1Ll'1'Y <br />ORCHARD VALLEY CULVERT "0" 10 YEAR <br />Design Discharge = 2.090 cfs <br />Entrance Loss Coefficient 0.9 <br />Pipe Length 65.000 feet <br />Pipe Slope 13.000 <br />Manning's n 0.024 <br />Maximum Headwater = 3.000 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 />Headwater Discharge Flow <br />(ft) (cfs) Control Type <br />0.30 0.21 Outlet (Subcritical) 1 <br />0.60 0.43 Outlet (Subcritical) 2 <br />0.90 0.64 Inlet (Supercritical) 3 <br />1.20 0.85 Inlet (Supercritical) 4 <br />1.50 1.00 Inlet 5 <br />1.80 1.02 Inlet 5 <br />2.10 1.03 Inlet 5 <br />2.40 1.05 Inlet 5 <br />2.70 1.06 Inlet 5 <br />3.00 1.07 Inlet 5 <br />• a==========ana==6II <br /> Diameter 8 inches <br />Headwater Discharge Flow <br />(ft) <br />------------- (cfs) <br />------------- Control <br />----------------------- Type <br />--------- <br />0.30 0.37 Outlet (Subcritical) 2 <br />0.60 0.74 Inlet (Supercritical) 4 <br />0.90 1.09 Inlet 5 <br />1.20 1.39 Inlet 5 <br />1.50 1.69 Inlet S <br />1.80 1.99 Inlet 5 <br />2.10 2.05 Inlet 5 <br />2.40 2.10 Inlet 5 <br />2.70 2.15 Inlet 5 <br />3.00 2.19 Inlet 5 <br /> <br />Diameter: 9 inches <br />Headwater Discharge Flow <br />(ft) <br />------------- (cfs) <br />------------ Contr <br />-------- ol <br />---------------- Type <br />--------- <br />0.30 0.41 Outlet (Subcritical) 1 <br />0.60 0.81 Outlet (Subcritical) 2 <br />• 0.90 <br />1.20 1.25 <br />1.73 Inlet <br />Inlet (Supercritical) <br />(Supercritical) 9 <br />4 <br />1.50 2.13 Inlet 5 <br />1.8@ 2.42 Inlet 5 <br />2.10 2.71 Inlet 5 <br />2.40 3.00 Inlet 5 <br />2.70 3.06 Inlet 5 <br />~ nn ~ i ~ T..i ..r S. <br />y~ <br />