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r~ 7 <br />Table 2. Embanlanent Designs <br /> Middle Middle Middle East East East <br /> Pyeatt Pyeatt Pyeatt Pyeatt Pyeatt PyeaCt <br />Sedimentation Pond: ~F1 4P2 4P3 /)1 /k2 /l3 <br /> <br />Elevation Upstream 6500.0 6478.0 6455.0 6497.0 6468.0 6445.0 <br />Toe (ft) <br />Principal Spillway <br />Stage (ft) 10.0 10.0 10.0 8.5 8.5 8.5 <br />Elevation (Et) 6510.0 6488.0 6465.0 6505.5 6476.5 6453.5 <br />Diameter-d (in) 36 36 48 36 36 48 <br />Emergency Spillway <br />Stage (ft) 11.5 11.5 12.0 10.0 10.0 10.5 <br />Elevation (ft) 6511.5 6489.5 6467.0 6507.0 6478.0 6455.5 <br />Width-b (ft) 15.0 15.0 15.0 15.0 15.0 ]5.0 <br />Maximum W.S. 6512.4 6490.4 6467.5 6508.1 6479.1 6456.0 <br />Elevation (ft) <br />25-Yr, 24-Hr Event <br />Top of Embanlonent 6513.4 6491.4 6468.5 6509.1 6480.1 6457.0 <br />Elevation (ft) <br /> <br />Freeboard (ft) 1.0 1.0 1.0 1.0 1.0 1.0 <br />Note: Elevations are based on current topographic information obtained from aerial <br />photographs. Actual elevations will vary according to actual field conditions <br />after topsoil removal but relative elevations should remain the same. <br />r• <br />N <br />T <br />4. <br />07 <br />00 <br />a <br /> <br />CRF/jb 8/86 <br />