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Table 1 B <br />Embankment Section C -C' <br />Western Fuels Colorado - New Horizon Mine <br />Pond NHN -002 <br />Wet Unit <br />Cohesion <br />Friction <br />Minimum <br />Case No. <br />Weight <br />(p s <br />An <br />Angle ��� <br />Factor of <br />Comments <br />(pct <br />Safety <br />1 - Embankment <br />137 <br />280 <br />30 <br />This case uses the lowest foundation strength and <br />0.93 <br />weight based on laboratory results and average <br />1 - Foundation <br />88 <br />67 <br />18 <br />soil strength for the embankment material <br />2 - Embankment <br />137 <br />280 <br />30 <br />This case uses the highest foundation strength <br />3.53 <br />and weight based on laboratory results and <br />2 - Foundation <br />126 <br />279 <br />44 <br />average soil strength for the embankment material <br />3 - Embankment <br />137 <br />280 <br />30 <br />This case uses the soil strength and weights used <br />1.44 <br />in the September 2010 Geotechnical Report <br />(Lambert & Associates) and average soils <br />3 - Foundation <br />110 <br />106 <br />23 <br />strengths for the embankment material <br />This case uses average soil parameters for the <br />4 - Embankment <br />134 <br />420 <br />33 <br />SM -SC embankment material from Table 1 and <br />1.44 <br />soil strength and weights used in the September <br />4 - Foundation <br />110 <br />106 <br />23 <br />2010 Geotechnical Report (Lambert & <br />Associates) <br />5 - Embankment <br />137 <br />280 <br />30 <br />This case assumes no cohesion and an average <br />0.98 <br />friction angle in the foundation soils and only <br />5 - Foundation <br />110 <br />0 <br />33 <br />average strength in the embankment material <br />6 - Embankment <br />137 <br />420 <br />33 <br />This case is the most likely scenario based on <br />2.04 <br />results of the geotechnical investigation and <br />materials available for construction of the <br />6 - Foundation <br />110 <br />160 <br />30 <br />embankment <br />