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SEDCAD+ CULVERT SIZING UTILITY <br />Coal Gulch <br />~. • <br />Design Discharge ~ 93.770 cfs <br />Entrance Loss Coefficient ~ 0.7 <br />Pipe Length ~ 40.000 feet <br />Pipe Slope 1.000 $ <br />Manning's n 0,150 <br />Maximum Headwater 8.000 feet <br />Tailwater Depth _ 0.000 feet <br />Smallest Diameter Required to Pass Flow is 72 inches <br />PERFORMANCE CURVES; <br />Diameter: 72 inches <br />\.• <br />i • <br />Headwater Discharge Flow <br />(ft) <br />------ {cfs) <br />------------ Control <br />------------------------ Type <br />--------- <br />------- <br />0.80 13.51 Outlet (SUbcritical) 1 <br />1.60 23.51 Outlet (SUbcritical) 1 <br />2.40 31.65 Outlet (Subcritical) 1 <br />3,20 38.65 Outlet (SUbcritical) 1 <br />4.00 49.07 Outlet (Subcritical) 1 <br />4.80 64.20 Outlet (Subcritical} 1 <br />5.60 80.53 Outlet (Subcritical) 1 <br />6.40 87.69 ''Inlet (Supercritical) 3 <br />7.20 88.84 Outlet 6 <br />8.00 100.00 Outlet 6 <br />8.80 111.46 Outlet 6 <br />9.60 121.85 Outlet 6 <br />10.40 131.42 Outlet 6 <br />11.20 140.34 Outlet 6 <br />12.00 148.73 Outlet 6 <br />____________________ __________ __~==P-==--______ ________ <br />SEDCgD+ Cul~~t•< Sizin4 I14131ty <br />12 0B Coal Gull chh <br />H <br />E <br />R 9. <br />D <br />U <br />q <br />T <br />E 6. <br />R <br />f 3. <br />t <br />0. <br />BB <br /> <br />00 <br /> <br />80 v 66,8 inch~r <br /> 0 72 ;nohis <br /> 6 noh~r <br />w <br /> o <br />o <br />~ <br />BB <br />x OB <br />hir <br />in <br />n ue <br />DISCHgRGE - ofs <br />PAISC - 8 <br />asa <br />New 2/4/94 <br />344 <br />