2012-12-06_PERMIT FILE - M2012032 ‎(25)‎

• Permit No: M2012032
• IBM Index Class Name: PERMIT FILE
• Doc Date: 12/6/2012
• Doc Name: FURTHER ADEQUACY RESPONSE
• From: STAR MINE OPERATIONS
• To: DRMS
• Email Name: RCO
• Email Name: GRM
• Media Type: D
• Archive: No

Even when the cohesion and internal angle of the tailings are reduced by 20 %, the Safety Factor for
the Revenue waste pile is above 1.3, which is considered the lowest allowable slope Safety Factor.
Greg Lewicki, P.E.
4% A2k60 0
Revenue Mine November 2012 U -