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REP00181
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Entry Properties
Last modified
8/24/2016 11:29:05 PM
Creation date
11/26/2007 9:35:49 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1996083
IBM Index Class Name
Report
Doc Date
7/11/2003
Doc Name
2nd Quarter 2003 Waste Bank Inspection
From
J.E. Stover & Associates
To
DMG
Permit Index Doc Type
Waste Pile/Fill Report
Media Type
D
Archive
No
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BOWIE RESOURCES LIMITED <br />Bowie No. 2 Mine <br />Coal Mine Waste Bank Inspection - 2nd Quarter 2003 <br />On June 22, 2003, I performed the required quarterly visual inspection of the Bowie No. 2 <br />Mine coal mine waste bank in accordance with Rule 4.10.2. <br />1, 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 inspection that would indicate <br />the pile has a potential for failure. The gob disposal area was dry. All organic material <br />and topsoil has been removed ahead of the waste bank founding. <br />The construction of the pile has progressed above the third terrace (=6098'). The out <br />slopes of the terraces have been covered. The depth of cover has not been verified. <br />Most of the coal mine waste was generated from the mine. Approximately 3,050 tons of <br />gob were hauled to the gob pile. Coal mine waste is to be placed in the pile in <br />approximately horizontal lifts no more than 24-inches thick. The coal mine waste is <br />spread and compactive effort is provided by a self propelled sheepsfoot compactor or a <br />front-end loader. A compaction test was performed on June 12"'. All of the tests attained <br />at least 90% of the maximum dry density attained in a laboratory compaction test in <br />accordance with ASTM D698. Relative compaction test results are enclosed. <br />A failure of the pile would probably not be a hazard to human life. The pile is located <br />above a large flat bench. The bench is approximately 80 to 150-feet wide directly below <br />the pile. Additionally, the gob pile sediment pond is located below the pile. If the coal <br />mine waste bank failed, the material would very like~y_, ~„~~ge~tained on the bench below <br />the pile and or within the gob pile sediment <br />
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