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JUL-lb-yC WtU II~Uy Rf1 f1UU/WtSI hLK nlNt: <br />.~ <br />Mountain Coal Company <br />_ West Elk Mine <br />Post Offiee Ba~x 59t <br />Somerset, Coloredo 81434 <br />Telephone 970 9295015 <br />Fg~c 970 9295595 <br />July 16, 1997 <br />Dr. James Pendleton <br />DIVISION OF MINERALS AND GEOLOGY <br />Office of Mmed Land Reclamation <br />1313 Sherman Street, Room 215 <br />Denver, CO 80203 <br />FAX N0. 9709295 <br />P, 02/03 <br />III'IIIII~III'll III <br />~` <br />Re: West Elk Mine, Permit No. C-80-007, Preliminary Slope Stability Action Plan <br />Dear Jim: <br />Thank you for taking time from your busy schedule to visit the mine last week. We appreciate the <br />'-, input you provided regarding the slope stability concerns on a portion of the Sylvester Gulch <br />access/ltatrl road and the substation site currently under construction. Per you request, the <br />following is Mountain Coal Company's (MCC) preliminary action plan to resolve these slope <br />stability issues. <br />z <br />Action Schedule <br />Geotechnical evaluation of failed Sll by consultants. Field surveys wmpleted 7/7- 7/11. <br />Two ind endent consultams retained. Re orts Duc 7/17 <br />Install surface survey monuments - 3 lines at failed Completed 7/12 <br />fill and 1 line at substation <br />Install inclinometers at failed fill Toe inclinometer completed 7/12 <br /> Fill crest inclinometer scheduled <br /> for 7/21 <br />Remove material from failed fill slope Sta 62 to 68 Begin week of 7/14, Complete by <br /> 7/23 <br />Install tem orary diversion i e for S Nester Gulch On hold endi CDMG a royal <br />Evaluate stabilization techniques for head scarp In Progress. -MCC will select <br />above substation (Golder) method by 7uly 22th for <br /> installation b Au O1 <br />Evaluate stabilization technique, construction Begin July 16, complete by July <br />methods and costs for cut slo es above shaft ;*3 site 25. <br />Evaluate redesign of light use maintenance road Sta 6 In Progress. Complete by July 18 <br />to 20 to full width Access/Haul Road and submit redesign to CDMG by <br /> Jul 23 <br />Pest its and trenches in and below failed fill area Some time in Auatrst <br />