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<br />Table 23-13 <br />OUTLET WORKS DESIGN - POND H <br />Primary Outlet <br />Number of orifices 1 <br />Elevation of orifices 8,151.20 <br />Diameter of orifices (inches) 3.00 <br />Emergency Spillway <br />Conduit Diameter (inches) 18 <br />Riser Diameter (inches) 24 <br />Length of Pipe (ft) 70 <br />Manning's Roughness Coefficient, n 0.025 <br />Invert Elevation (ft) 8,154.40 <br />Vertical Head Drop (ft) 5.40 <br />• <br />Surface Water Primary Outlet Emergency Spillway <br />Elevation Discharge Discharge <br />(ft) (cfs) (cfs) <br />8,151.2 0.00 0.00 <br />8,151.5 0.13 0.00 <br />8,151.9 0.20 0.00 <br />8,152.3 0.25 0.00 <br />8,152.7 0.29 0.00 <br />8,153.1 0.33 0.00 <br />8,153.5 0.36 0.00 <br />8.153.9 0.39 0.00 <br />8,154.3 0.42 0.00 <br />8.154.7 .- 3.20 <br />8,154.9 -.- 6.89 <br />8,155.0 .- 9.05 <br />8,155.1 -.- 10.68 <br /> <br />23-145 <br />