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<br />ENGINEERING INSPECTION <br /> <br />Second Quarter 1994 <br />SOMERSET MINING COMPANY'S EAST YARD GOB DISPOSAL PILE <br />On July 29, 1994, I performed a visual inspection of the east yard <br />gob disposal area at Somerset Mining Company's, Somerset Mine. <br />Both Bear Coal Company and Somerset Mining Company have approval to <br />dispose of coal mine waste in the gob pile. <br />Page 2.05-19ii, dated 12-10-92, of Somerset Mining Company's <br />approved permit document includes the requirement to inspect the <br />coal mine waste pile for stability quarterly. The inspection is to <br />be performed by a registered engineer or other qualified <br />professional specialist experienced in construction of earth and <br />rockfill embankments. The quarterly inspection report is to note <br />Che vclume of waste material placed is the pile since the last <br />inspection. <br />The gob disposal area was dry. Nothing was observed during the <br />inspection that would indicate the pile has a potential for <br />failure. Attached are results of compaction tests. <br />Somerset hauled approximately 1,272 tons of material to the gob <br />pile during the quarter. Bear Coal Company did not haul any <br />material to the gob pile during the quarter. <br />A failure of the pile would probably not be a hazard to human life. <br />The pile is located above a large flat bench referred to as the <br />east yard. This bench is 80' to 100' wide directly below the pile. <br />If the coal mine waste pile failed, it would very likely be <br />contained in the east yard. The overland conveyor and conveyor <br />drive on the bench below the pile might be damaged by a failure of <br />the pile. <br />Thomas C. Anderson' ate <br />Colorado Registered <br />CERTTIEP2 Professional Engineer No. 14726 <br />