Laserfiche WebLink
TABLE 4 <br /> Design Storage Capacity Summary <br /> Sediment Pond 001 <br /> Capacity <br /> Elevation (ac-ft) Description <br /> 5604.00 --- Elevation of Top of Embankment <br /> 5603.05 --- Elevation of 100-year, 24-hour <br /> Peak Stage <br /> 5602.00 --- Elevation of Emergency Spillway <br /> --- 4.09 Storage Capacity dedicated to <br /> Emergency Spillway Freeboard <br /> 5600.67 --- Elevation of 25-year, 24-hour <br /> Peak Stage <br /> 5600.00 --- Elevation of Emergency Spillway <br /> Freeboard <br /> --- 1.57 Storage Capacity dedicated to <br /> Pit Pumpage <br /> 5599.12 --- Elevation of 10-year, 24-hour <br /> Peak Stage <br /> --- 5.90 Storage Capacity dedicated to <br /> 10-year, 24-hour runoff volume <br /> 5595.00 --- Elevation of Principal Spillway <br /> --- 4.18 Storage Capacity dedicated to <br /> Sediment Volume (9.95 10-yr, <br /> 24-hr MUSLE) <br /> 5590.00 --- Elevation of Pond Bottom <br /> SPILLWAY <br /> Sediment Pond 001 provides for a combination of principal and emergency <br /> spillway to safely discharge the runoff from a 25-year, 24-hour storm. <br /> The principal spillway will also be used as the non-clogging dewatering <br /> device and is located at an elevation higher than the maximum sediment <br /> storage volume. The principal spillway is located in a position on the <br /> embankment so as to prevent short-circuiting as much as possible. The <br /> 8 <br />