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.~ <br />Aprl 14, 1994 <br /> <br />-2- <br />Figures 1 through 5 that graphically depict these results aze attached. <br />943-2720 <br />Our slope stability analyses of the initial ore lift was performed with a value of the angle for <br />internal friction of 24 degrees and a cohesion value of 0 psi. $ased upon the results of the <br />low stress interface direct shear testing, •,se still believe that our analyses are conservative <br />and adequate for the pro}ect. <br />I hope that this has clarified your concerns. If you should have any questions or comments <br />please don't hesitate to contact either me or Dr. Dirk Van Zyl. <br />Sincrrely, <br />GOLD]F.~t ASSflC]tATF~ <br />~~~1 ~~~ <br />David A. Kidd, P.E. <br />Project Manager <br />Geotxhnical Engineering <br />Attachments: Figures 1 through 5 <br />15 and 30 psi shear traces <br />Golder ,essocintes <br />