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• Pond 011 Embankment Safety Factorwas calculated using the computerprogram SB-Slope. Two <br />borrow area soil samples (TP-1 and TP-2) for the embankment construction were taken and <br />analyzed. The laboratory analysis for the Cohesion and Phi angle of Test Pit #1 and #2 can be <br />seen on pages 31-39 of this Attachment. <br />SB-SLOPE pond embankment geometricdata inputand the corresponding Cohesion and Phi angle <br />can be seen page 40 and 42 of this Attachment. <br />The lowest safety factor (SF) for Test Pit #1 material was calculated to be 7.49 to 1 and can be <br />seen on page 41 of this Attachment. The safety factor for soil Test Pit #2 was 8.49 to 1 and can <br />be seen on page 43 of this Attachment. The point of failure for this type of structure will be through <br />the toe of the embankment which is Point #8 on the diagram. <br />Conclusion: Both Test Pit #1 and #2 material far exceed the necessary Safety Factor of 1.5 to 1 <br />and are suitable to use for the construction of Pond 011 Embankment. Minimum compaction for <br />either soil to achieve the above SF is 85% at Optimum Moisture content. <br />• <br /> <br />REVISED MARCH 2006 Attachment 2.05.3(3)-14-30 <br />