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STATE OF COLORA00 RAC HARD O. ~. Gev cam, III'll lll'll I'II'll <br />DEPARTMENT OF NATURAL RESOURCES <br />D. Monte Pascoe, Executive Director 99y <br />MIlVED LAND RECLAMATION <br />423 Centennial Building, 1313 Sherman Street <br />Denver, Colorado 80203 Tel. (303) 839-3567 <br />David C. Shelton <br />Director <br />August I2, 1981 <br />TO: Rich Domingue <br />FROM: Jim Pendleton <br />SUBJECT: Review of Wy mi uel Company's Preliminary Adequacy Response <br />Concerning the Temporary Overburden Pile at the Canadian Strip <br />Mine. <br />Wyoming Fuels has detected a drafting error within its original application <br />which corrects their Homographic calculations concerning the static slope <br />safety factor of their temporary overburden pile. <br />Because of the temporary nature of this pile and the limited hazard potential <br />involved to men and equipment, I recommend that we accept Wyoming Fuel Company's <br />agreement to "frequent visual monitoring of the slopes to detect and mediate <br />any developing problems..." (Wyoming Fuel Company's response to preliminary <br />adequacy review). <br />Specifically, I recommend that you include in our permit finding document the <br />following stipulation: <br />WYOMING FUEL COMPANY IS DIRECTED TO HAVE ITS OVERBURDEN STOCKPILE INSPECTED <br />ANNUALLY BY A REGISTERED PROFESSIONAL ENGINEER OR PROFESSIONAL GEOLOGIST AND <br />TO SUBMIT A LETTER REPORTING THE RESULTS OF THAT INSPECTION, CERTIFIED BY THE <br />PROFESSIONAL CONDUCTING THE INSPECTION, WITHIN 10 DAYS FOLLOWING COMPLETION OF <br />THE INSPECTION. IN ADDITION, IN THE EVENT THAT EVIDENCE OF INSTABILITY IS FOUND, <br />WYOMING FUEL COMPANY SHALL SUBMIT A PLAN FOR MEDIATION OF THE PROBLEM TO THE <br />DIVISION FOR APPROVAL. UPON RECEIPT OF APPROVAL, WYOMING FUEL COMPANY SHALL <br />PROCEED TO MEDIATE THE PROBLEM IN CONFORMANCE WITH A TIME SCHEDULE CONTAINED <br />WITHIN THE APPROVED PLAN, IN A TIMELY MANNER. <br />cc: Jim Kent <br />