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REP38310
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REP38310
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Entry Properties
Last modified
8/25/2016 12:19:25 AM
Creation date
11/27/2007 8:02:27 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1996083
IBM Index Class Name
Report
Doc Date
4/11/2007
Doc Name
1st Quarter 2007 Wastebank Inspections
From
J.E. Stover & Associates Inc
To
DRMs
Permit Index Doc Type
Waste Pile/Fill Report
Media Type
D
Archive
No
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BOWIE RESOURCES, LLC <br />Bowie No. 2 Mine <br />Old Coal Mine Waste Bank Inspection - 15~Quarter 2007 <br />On March 21, 2007 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 />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 inspection that would indicate the <br />pile has a potential for failure. The gob disposal area was damp to wet. Atl organic material <br />and topsoil has been removed ahead of the waste bank founding. The upper diversion <br />ditch was inspected with no problems noted. <br />The construction of the pile has progressed above the fourth terrace (=6130'). The out <br />slopes of the lower three terraces have been covered. The depth of cover has not been <br />verified. <br />Most of the coal mine waste was generated from the mine. No coal mine waste was hauled <br />to the pile during the quarter. Coal mine waste is to be placed in the pile in approximately <br />horizontal lifts no more than 24-inches thick. The coal mine waste is spread and <br />compactive effort is provided by a self propelled sheepsfoot compactor or afront-end <br />loader. No compaction tests were taken during the quarter. A test passes if the test <br />attains at least 90% of the maximum dry density attained in a laboratory compaction test in <br />accordance with ASTM D698. <br />A failure of the pile would probably not be a hazard to human life. The pile is located above <br />a large flat bench. The bench is approximately 80 to 150-feet wide directly below the pile. <br />Additionally, the gob pile sediment pond is located below the pile. If the coal mine waste <br />bank failed, the material would very likely be contained on the bench below the pile and or <br />within the gob pile sediment pond. <br />I certify that to the best of my knowledge and belief, that the fill and other aspects of the old <br />coal mine waste bank have been constructed as perrr~~te q ~e design approved by the <br />D RM S. ••O~P~ 0~•~C;~,l~~~ <br />i 0~: `` S Sly ®,ip® <br />~ ~'~ Q s~a.='Z Ao <br />u~r: 19230 8~• <br />~.o: '~'9'0~] s.~1 <br />.~+~ <br />JaS,E. Stover .a`~o Date <br />P. E~~i'D~~3D~~'o ° <br />•..oa© <br />
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