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<br />i <br />0 <br />F 0 <br />i <br />i ? <br />N N <br />o ? <br />4 <br />I <br />Table 4.8-7 Embankment Designs (continued). <br /> West West East East West <br /> Deer Pyeatt Pyeatt Pyeatt Pyeatt Flume <br />Sedimentation Pond: #1 #1 #2 #3 #1 #1 <br />Elevation Upstream 7331.0 6506.0 6455.0 6435.0 6476.0 6779.0 <br />Toe (ft) <br />Principal Spillway <br />Stage (ft) <br />6.0 <br />10.0 <br />10.0 <br />8.0 <br />8.0 <br />10.0(1) <br />Elevation (ft) 7337.0 6516.0 6465.0 6484.0 6484.0 6789.0 <br />Diameter-d (in) 18 24 24 <br />Emergency Spillway <br />7 <br />5 <br />12 <br />0 <br />11 <br />5 <br />10.0 <br />10.0 <br />10.0(1) <br />Stage (ft) <br />Elevation (ft) . <br />7338.5 . <br />6518.0 . <br />6466.5 6445.0 6486.0 6789.0 <br />Width-b (ft) 15.0 17.0 15.0 15.0 15.0 0.5 <br />Maximum W.S. 7338.3 6518.3 6466.3 6445.7 6486.9 6791.7 <br />Elevation (ft) <br />25-Yr, 24-Hr Event <br />Top of Embankment 7339.5 6520.0 6468.0 6447.0 6488.0 6793.0 <br />Elevation (ft) <br />Freeboard (ft) 1.2 . 1.7 1.7 1.3 1.1 1.3 <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 />(1) Single open-channel design. <br />Page revised 10/07 PR-06 -