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February, 2005 <br /> <br /> <br />PHASE <br /> <br />CELL PIT <br />HIGHWALL <br />SLOPE <br />STRATIGRAPHIC <br />DATA USED RECOMMENDED <br />SETBACK FROM <br />WATER RECOMMENDED <br />SETBACK FROM <br />STRUCTURES' <br />FIGURE(S)' <br />' <br /> E LNA AVERAGE 78 78 17 <br /> CELL 5 N, E, S LNA AVERAGE 69 18 <br /> CH00-B H 12 50 19 <br /> <br />PHASE 6 CELL 1 E'/: OF N, E, S LNA AVERAGE 54 20 <br /> LNA AVERAGE 64 64 21 <br /> CELL 2 N, E, S LNA AVERAGE 64 21 <br /> LNA AVERAGE 54 20 <br /> <br /> <br />PHASE 7 COMBINED <br />CELL 1 & 2 <br />E LNA AVERAGE <br />50 <br />22 <br /> N'/: OF E 64 21 <br /> N, W % OF S, LNA AVERAGE <br />66 <br />24 <br /> <br />E % OF S MY03-BH05 <br />CHOO-BH03 <br />68 <br />11 <br />PHASE 8 CELL 1 N, E, S, W LNA AVERAGE 66 25 <br /> <br />PHASE 9 CELL 1 N, E, S, W LNA AVERAGE 63 26 <br /> <br />PLANT <br />REA <br />PLANT <br />N, W <br />LNA AVERAGE <br />67 <br />29 <br />PLANT <br />AREA <br />PLANT <br />S, E <br />LNA AVERAGE <br />61 <br />30 <br />`Setbacks measured from top of excavation to closest structure or body of water. <br />"'See Appendix II <br />1.4 DISCUSSION <br />Recommended setbacks are provided for each slope analyzed, based on assumed soil <br />stratigraphy, geometry, and conservative soil characteristic parameters. The program <br />returned a recommended setback value from the top edge of the excavation based on a <br />Fort Lupton Pit Slope Stability Sludy, Page 4 0/ 5 <br />