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• 0 0 <br />Table 4.8-7 Embankment Designs. <br />East <br />Pyeatt <br />Grouse <br />Grouse <br />Sage <br />Sage <br />Oak <br />Oak <br />Sedimentation Pond: <br />#2 <br />#1 <br />#2 <br />#1 <br />#2 <br />#1(2) <br />#2(2) <br />Elevation Upstream <br />6460.0 <br />6520.0 <br />6500.0 <br />6523.0 <br />6501.0 <br />6655.0 <br />6621.0 <br />Toe (ft) <br />Principal Spillway <br />Stage (ft) <br />8.0 <br />8.5 <br />4.5 <br />8.0 <br />7.0 <br />13.3 <br />9.8 <br />Elevation (ft) <br />6468.0 <br />6528.5 <br />6504.5 <br />6531.1 <br />6508.0 <br />6668.3 <br />6630.8 <br />Emergency Spillway <br />Stage (ft) <br />10.0 <br />10.0 <br />6.0 <br />10.0 <br />9.0 <br />15.5 <br />11.7 <br />Elevation (ft) <br />6470,0 <br />6530.0 <br />6506.0 <br />6533.0 <br />6510.0 <br />6670.5 <br />6632.7 <br />Width -b (ft) <br />17.0 <br />15.0 <br />15.0 <br />19.0 <br />19.0 <br />13.3 <br />14.1 <br />Maximum W.S. <br />5470.7 <br />6530.3 <br />6506.0 <br />6532.2 <br />6509.0 <br />6670.8 <br />6633.2 <br />Elevation (ft) <br />25 -Yr, 24 -Hr Event <br />Top of Embankment <br />6472.0 <br />6532.0 <br />6508.0 <br />6535.0 <br />6512.0 <br />6672.0 <br />6635.0 <br />Elevation (ft) <br />Freeboard (ft) <br />1.3 <br />1.7 <br />2.0 <br />2.8 <br />3.0 <br />1.2 <br />1.8 <br />Note: Elevations are based on current topographic information obtained from aerial photographs. Actual elevations will vary according to actual field <br />conditions after topsoil removal but relative elevations should remain the same. <br />m (1) Single open -channel design. <br />y <br />(2) As -built information. <br />!< O <br />'[O^ 05U3[PR05jT4-8-7j <br />7474 <br />O <br />UI <br />G <br />�l° <br />