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Mr. Raymond Lazuk June 28, 2017 <br /> Climax Molybdenum Company, Climax Mine 7 1661214 006 RSP RevO <br /> Table 1: Comparison of Stability Results and Various Criteria <br /> Seismic FoS <br /> Criteria Static FoS (pseudo-static) Design Earthquake <br /> Calculated FoS, 1.49(operations) 1.09 (operations, OBE) OBE—1 in 475 years <br /> Cross-Section C-C' 1.52 (post-closure) 1.15 (post-closure, OBE)1 MDE—1 in 2,475 years <br /> 1.00 (post-closure, MDE) <br /> Climax Project Design 1.4 (operations) 1.0, or acceptable displacement OBE—1 in 475 years <br /> Criteria 1.5 (post-closure) MDE— 1 in 2,475 years <br /> DRMS 20172 1.25 (non-critical structures) 1.1 (non-critical structures) N/A <br /> 1.3 (critical structure) 1.15 (critical structures) <br /> ADEQ BADCT 1.3 1.0, or displacements will not jeopardize 1 in 100 years <br /> (for dump leach) containment <br /> Nevada BMRR 1.3 1.05, or deformation analysis demonstrates 1 in 475 years <br /> (for leach facilities) acceptable movement <br /> (COLD, Bulletin 148 N/A N/A OBE—1 in 145 years <br /> SEE (MDE)—varies based on hazard <br /> classification <br /> Notes. <br /> 1. Results of additional analysis performed in support of this letter.Other FoS reported are from Golder(2017). <br /> 2. Required FoS reported in table assumes adequate site-specific material characterization has been performed.FoS are higher when using"generalized"values. <br /> SOW,Golder <br /> 1661214 006 RSP RevO Responses to DRMS Comments 28JUN17 dou Associates <br />