Laserfiche WebLink
ORCHARD VALLEY CULVERT "B" 10 YEAR <br />Design Discharge - 0.950 cfs <br />Entrance Loss Coefficient = 0.7 <br />Pipe Length = 90.000 feet <br />Pipe Slope 14.000 ~ <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 6 inches <br />PERFORMANCE CURVES: <br />Diameter: 4 inches <br />Headwater Discharge Flow <br />(ft) (cfs) Control Type <br />0.20 0.00 0 <br />0.40 0.01 0 <br />0.60 0.01 0 <br />0.80 0.01 0 <br />1.00 0.01 0 <br />1.20 0.02 0 <br />1.40 0.02 0 <br />1.60 0.02 0 <br />1.80 0.02 0 <br />2.00 0.03 0 <br />___________== === <br />=== <br />=====_________________ <br /> Diameter: 6 inches <br />Headwater Discharge Flow <br />(ft) <br />------------- (cfs) <br />------------- Control <br />----------------------- Type <br />--------- <br />0.20 0.14 Outlet (Subcritical) 1 <br />0.40 0.28 Outlet (Subcritical) 1 <br />0.60 0.43 Outlet (Subcritical) 2 <br />0.80 0.57 Inlet (Supercritical) 3 <br />1.00 0.71 Inlet (Supercritical) 4 <br />1:20 0.85 Inlet (Supercritical) 4 <br />1.40 0.99 Inlet 5 <br />1.60 1.01 Inlet 5 <br />1.80 1.01 Inlet 5 <br />2.00 1.02 Inlet 5 <br /> <br />Diameter: 8 inches <br />Headwater Discharge Flow <br />(ft) <br />------------- (cfs) <br />------------ Control <br />------------------------ Type <br />--------- <br />0.20 0.25 Outlet (Subcritical) 1 <br />0.40 0.49 Outlet (Subcritical) 2 <br />0.60 0.74 Inlet (Supercritical) 4 <br />0.80 0.99 Inlet 5 <br />1.00 1.19 Inlet 5 <br />1.20 1.39 Inlet 5 <br />1.40 1.59 Inlet 5 <br />1.60 1.79 Inlet 5 <br />1.80 1.99 Inlet 5 <br /> <br />c-9 <br />