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Table 2.2 <br /> Calculated Factors of Safety <br /> Failure Pseudo-Static Pseudo-Static <br /> Failure Section Mode Static (Operational (Closure <br /> Conditions) Conditions) <br /> Section 1 Global 1.9 1.6 1.4 <br /> Section 2 Global 2.0 1.6 1.4 _ <br /> Section 3 Global 1.5 1.4 1.2 <br /> Section 4 Global 2.3 2.1 1.9 <br /> 4.0 SUMMARY <br /> Newmont's CC&V mine plans to increase the storage capacity of the ECOSA by raising the <br /> permitted crest elevation from 10,565 to 10,960-feet amsl. NewFields completed a stability <br /> analysis for static and pseudostatic conditions to evaluate the stability of the revised <br /> configuration for global failures under operational and closure conditions. Based on the results <br /> of the stability evaluation,the larger ECOSA will remain stable under both static and dynamic <br /> conditions. <br /> If you have any questions or require additional information,please contact the undersigned. <br /> Sincerely, <br /> NewFields Mining Design&Technical Services <br /> NicholGas/s TT..!-Rocco,Ph.D.,P.E. Jay Janney-Moore,P.E. <br /> Project Manager Project Manager <br /> NTR/1NM/ntr <br /> O Re <br /> 0 ......NF,S�F <br /> Attachments:Figure 1-5;Attachment A <br /> '0o: <br /> Addressee: (via e-mail) oC1? 179 '� C <br /> V:\Projecn\OlO6.DO5CN Sbpe SaDlli2y&Ware Ba4nceV-RFPORTS\TM ECOSA_SdMllty_Rcv3.tlaa C � <br /> SS�OIVAL <br /> 16 <br />