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Table 4.6-8 Pond Volume and Elevation Specifications <br /> Sediment Storage volume (ac-ft) 5.11 <br /> Volume at Peak Stage for 10-yr, 29-hr Storm (ac-ft) 20.31 <br /> Peak Stage Elevation for 10-yr, 29-hr Storm (ft) 7003.8 <br /> Peak Stage Elevation for 25-yr, 24-hr Storm (ft) 7004.6 <br /> Sediment Pond Capacity below emergency spillway (ac-ft) 25.93 <br /> Pond Bottom Elevation (ft) 6986.0 <br /> Principle Spillway <br /> Elevation (ft) 6999.6 <br /> Height (ft) 13.6 <br /> Emergency Spillway <br /> Crest Elevation (ft) 7003.9 <br /> Height (ft) 17.9 <br /> Constructed Embankment Elevation (ft) 7006.2 <br /> Peak Stage of 25-yr, 24-hr Storm 7004.6 <br /> + 1 ft. freeboard 7005.6 <br /> + 108 settling allowance 7006.2 <br /> Upstream Toe Embankment Elevation (ft) 7000.0 <br /> Storage Above Upstream Toe (ac-ft) 9.2 <br /> Embankment Height Above Upstream Toe (ft) 3.9 <br /> <br />4.6-31 <br />November 1,1989 <br />