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• SEDCAD+ CULVERT SIZING UTILITY <br />RPA Culvert <br />Design Discharge = 9.020 cfs <br />Entrance Loss Coefficient 0.9 <br />Pipe Length - 40.000 feet <br />Slope <br />Pipe 5.000 $ <br />, <br />Manninq's n = 0.024 <br />Maximum Headwater = 1.800 feet <br />Tailwater Depth = 0.000 feet <br />'.• <br />Smallest Diameter Required to Pass Flow is 24 inches <br />PERFORMANCE CURVES: <br />Diameter: 18 inches <br />Headwater Discharge Flow <br />(ft) (cfs) Control Type <br />0.18 0.00 0 <br />0.36 0.00 Outlet Subcritical 1 <br />0.54 0.00 Outlet Subcritical 1 <br />0.72 0.00 Outlet Subcritical 1 <br />0.90 0.00 Outlet Subcritical 1 <br />1.08 0.00 Outlet Subcritical 1 <br />1.26 0.00 Outlet Subcritical 1 <br />1.44 0.00 Outlet Subcritical 1 <br />1.62 0.00 Inlet (SUpercritica ) 3 <br />1.80 0.00 Outlet 6 <br />1.98 0.00 Outlet 6 <br />2.16 9.13 Inlet 5 <br />2.34 9.86 Inlet 5 <br />2.52 10.54 Inlet 5 <br />2.70 11.18 Inlet 5 <br />_* (Transition Region_ _Data_may -need_to_be_smoothed_) - <br />Diameter: 21 inches <br />Headwater Discharge <br />(ft) (cfs) Control <br /> <br />Flow <br />Type <br />0.18 0.00 0 <br />0.36 0.00 Outlet 1 <br />0.54 0.00 Outlet 1 <br />0.72 0.00 Outlet 1 <br />0.90 0.00 Outlet 1 <br />1.08 0.00 Outlet 1 <br />1.26 0.00 Outlet 1 <br />1.44 0.00 Outlet 1 <br />1.62 0.00 Outlet 1 <br />1.80 0.00 Outlet 1 <br />1.98 0.00 Outlet 1 <br />2.16 11.34 Inlet 5 <br />2.34 12.43 Inlet 5 <br />2.52 13.42 Inlet 5. <br />2.70 14.35 Inlet 5 <br /> Diameter: 24 inches <br />Headwater Discharge <br />(ft) <br />------------- (cfs) <br />------------ Control <br />---------- <br />---- <br />-- <br /> - <br />----- <br />0.36 0.00 Outlet Subcritical <br />0.54 0.00 Outlet Subcritical <br />0.72 0.00 Outlet Subcritical <br />0.90 0.00 Outlet Subcritical <br />1.08 0.00 Outlet Subcritical <br />Flow <br />Type <br />1 <br />1 <br />1 <br />1 <br />1 <br />Permit Renewal No. 3 TAB 3.15, PG 8 1 I/I/99 <br />