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<br />~,. ~i •mss <br />i-20 0 8.06AM massey» 3034267780 ~# 5/ 7 <br />~, <br />-ll-, <br />an emergency response plan to ensure that the drainage or whatever is <br />protected. Nhere you're going is that it does overlap ar meet up against some <br />other agencies which also have some requiraarents for emergency response. wool <br />we have done is -- you know we are restricted with respect to any solution <br />that may escape the site and what 1s necessaary to neutralize that solution but <br />the companies, typically, since tt+ey have a~,response on their other programs, <br />have cane forth with a more caaprehensive plan, So that's what's happened on <br />that. <br />MR. 0.ENNEA: Regarding the buttress, the buttress along the south wall of <br />the Nest Pit, Me added a proposal during the last Board meeting to install <br />this buttress if it is necessary to matntair~ the long term integrity of the <br />south wall after mining operations are eanplleted. At the time of tee Board <br />meeting we had rot had a chance to evaluatejthe technical aspects of the <br />buttress. Ne since have had the chance to eo so, Ne have forwarded to the <br />Ganpany some concerns and comments which we have had and received replies to <br />those. <br />Essentially, the buttress is a waste ro~1c dump adjacent to the south wall <br />and, actually leaning up against the south wall. It's Function is to hold the <br />wall in place after mining. It`s approximatgty 900 feet in Length and will, <br />5s I said, ensure the long term .stabi.liSy.oflthis structure. 1 t will extend <br />free the pit bottom to about the area of thej Santa re conglomerate and <br />alluvial material contact, It will be about;l4~ feet tall and will oe divided <br />into trro slopes. The upper slope will be about bD feat tall end will be <br />about38 degrees overall slope. There will bf same intervening flat areas and <br />benches created during the construction of thuIs facility. <br />The lower 80 feet would be constructed to a 3 to 1, or 18 degrees slope. <br />This lower portion will be topsoiled with eighteen inches and reveaetated <br />nccnrding tm the reclamation plan we have in !hand. The upper slope would at so <br />be broadcast seeded and would be randomly plented with pinan juniper type <br />vegetation. The idea being to ercate a talus, slope type environnent 1n this <br />area. <br />i <br />i <br />i <br />