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POND CERTIFICATION <br />POND F <br />Design VS. As-built Comparison <br /> Design As-Built <br />Base Elevation 6822.0 6820.0 <br />Sediment Storage Elevation 6822.1 6820.3 <br />Top of Riser Elevation 6826.5 6827.0 <br />Outlet Orifice Center Elev. - Set #1 6825.0 6825.3 <br />Outlet Orifice Center Elev. -Set #2 6823.0 6824.0 <br />Embankment Elevation 6829.0 6829.0 <br />Embankment Width (ft) 9.2 9.2 <br />Emergency Spillway Elevation 6827.0 6827.5 <br />Emergency Spillway Width (ft) 20.0 20.5 <br />Emergency Spillway Depth (ft) 2.0 1.5 <br />Sediment Storage Volume (ac-ft) 0.17 0.17 <br />Spoil Spring Discharge Volume (ac-ft) 6.63 7.06 <br />10 yr - 24 hour Event Runoff Volume (ac-ft) 2.33 3.03 <br />Total Volume to Top of Riser (ac-ft) 9.13 10.26 <br />Total Pond Volume (ac-ft) 10.76 11.19 <br />Outlet Culvert Diameter (inches) 24 24 <br />