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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 />• <br />Headwater Discharge Flow <br />(ft) (cfs) Control Type <br />0.15 0.01 0 <br />0.30 0.01 0 <br />0.45_~__ _~_.-0.02 ._.____.~_ _. _e___------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 />Diameter: 6 inches <br />Headwater Discharge Flow <br />(ft) (cfs) <br />- Contr ol <br />- Type <br />--------- <br />------------- <br />0.15 --------- <br />-- <br />0.11 -------- <br />Outlet --------------- <br />(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 />8.75 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 /> <br />Headwater Discharge Flow <br />(ft) (cfs) Contr ol Type <br />----- <br />------------- <br />0.15 ------------ <br />0.18 -------- <br />Outlet ---------------- <br />(Subcritical) ---- <br />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 />+ r~ ~ cc r.. ~..• ___ __S <br />c-f <br />