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BOWIE RESOURCES, LLC <br />Bowie No. 2 Mine <br />New Coal Mine Waste Bank Inspection - 3rd Quarter 2004 <br />On nine separate occasions, I performed visual inspections of the Bowie No. 2 Mine <br />coal mine waste bank in accordance with Rule 4.10.2. The final inspection occurred on <br />September 29, 2004. <br />I, J. E. Stover, P.E., have a wide variety of experience in the design and construction of <br />earth fill embankments. Nothing was observed during the inspections that would <br />indicate the pile has a potential for failure. The gob disposal area was dry to damp <br />during the final inspection. All organic material and topsoil has been removed ahead of <br />the waste bank founding. Coverfill material and topsoil were salvaged during the <br />quarter and placed in the appropriate stockpiles. Riprap was placed in the lower <br />collection ditch during the quarter. The upper diversion ditch was inspected and the <br />Operator was advised that some ditch clean out was required. The Operator <br />subsequently notified the undersigned that the ditch maintenance has been performed. <br />The face of the pile is about 10-feet below the first terrace on the east side of the pile <br />and about 20-feet below the first terrace in the center of the pile. The west side of the <br />pile has not be developed. <br />Most of the coal mine waste was generated from the preparation plant. Approximately <br />115,000 tons of gob were hauled to the gob pile. Coal mine waste is to be placed in the <br />pile in approximately horizontal lifts no more than 24-inches thick. The coal mine waste <br />is spread and compactive effort is provided by a self propelled sheepsfoot compactor. <br />Compaction tests were performed throughout the quarter. A total of 38 tests were <br />taken on the pile. One test failed on August 24'h. Where the compaction test failed, <br />the pile was re-compacted and a new compaction test was taken on August 315'. The <br />re-tested area passed. A test passes if the test attains at least 90% of the maximum <br />dry density attained in a laboratory compaction test in accordance with ASTM D698. <br />Relative compaction test results are enclosed. <br />A failure of the pile would probably not be a hazard to human life. A residential dwelling <br />is located over 300-feet below the pile. The pile is located above SH-133. A failure of <br />the pile might damage the state highway but would not likely impact the residential <br />dwelling. _..s®m~._ <br /> <br />~anico ~. miv}(ci - o° <br />P.E. No. 1 ~ ~ ~ <br />e ,r °o, ,o-°~` <br />~•°o!OyAI Ea~o®o <br />