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.7G Ul.tlUr LUUVLttl J1L1lVb U11L11i <br />ORCHARD VALLEY CULVERT "A" 10 YEAR <br />Design Discharge 0.950 cfs <br />Entrance Loss Coefficient 0.7 <br />Pipe Length = 28.000 feet <br />Pipe Slope 14.000 <br />_ <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 6 inches <br />PERFORMANCE CURVES: <br />Diameter: 4 inches <br />Headwater Discharge Flow <br />(ft) <br />------------- (cfs) <br />------------- Control <br />----------------------- Type <br />--------- <br />0.15 0.01 0 <br />0.30 0.01 0 <br />-- ----.- --•-- ---0: 45_~._ _~_.-0.02 ._.____----- _ _-_---- ----0- <br />0.60 0.02 0 <br />0.75 0.03 0 <br />0.90 0.03 0 <br />1.05 0.04 0 <br />1.20 0.05 0 <br />1.35 0.05 0 <br />1.50 0.06 0 <br />• _____________ ___ <br />= =====a = ___________ <br />= <br /> Diameter. 6 inches <br />Headwater Discharge Flow <br />(ft) <br />------------- (cfs) <br />------------- Control <br />----------------------- Type <br />--------- <br />0.15 0.11 Outlet (Subcritical) 1 <br />0.30 0.21 Outlet (Subcritical) 1 <br />0.45 0.32 Outlet (Subcritical) 2 <br />0.60 0.43 Outlet (Subcritical) 2 <br />0.75 0.53 Inlet (Supercritical) 3 <br />0.90 0.64 Inlet (Supercritical) 3 <br />1.05 0.75 Inlet (Supercritical) 4 <br />1.20 0.85 Inlet (Supercritical) 4 <br />1.35 0.96 Inlet 5 <br />1.50 1.01 Inlet 5 <br />Diameter: 8 inches <br />Headwater Discharge Flow <br />(ft) <br />- <br />-- (cfs) <br />---------- Control <br />----------------------- Type <br />--------- <br />-------- <br />-- <br />0.15 -- <br />0.18 - <br />Outlet (Subcritical) 1 <br />0.30 0.37 Outlet (Subcritical) 2 <br />0.45 0.55 Inlet (Supercritical) 3 <br />0.60 0.74 Znlet (Supercritical) 4 <br />0.75 0.92 Inlet 5 <br />0.90 1.09 Inlet 5 <br />1.05 1.24 Inlet 5 <br />1.20 1.39 Inlet 5 <br />1.35 1.54 Inlet 5 <br />_ _. , c~ , cc r.. v.,. -- ._S <br />c-f <br />