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2013-01-29_PERMIT FILE - C1981022A (3)
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2013-01-29_PERMIT FILE - C1981022A (3)
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Last modified
8/24/2016 5:12:30 PM
Creation date
5/2/2013 7:49:22 AM
Metadata
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Template:
DRMS Permit Index
Permit No
C1981022A
IBM Index Class Name
Permit File
Doc Date
1/29/2013
Section_Exhibit Name
2.05 Operation and Reclamation Plans
Media Type
D
Archive
Yes
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Section - 2.05.3 <br />Rock Dust and Explosive Storage — The rock dust bins are located on the upper Elk Creek <br />Mine bench. The bins are connected to the Elk Creek Mine workings by a pneumatic feed <br />line through a borehole allowing rock dust to be transferred directly to an underground <br />loading point. The portable explosive magazines are located between Pond D and the coal <br />stockpile. The magazines remain in full compliance with applicable regulations of the <br />Bureau of Alcohol, Tobacco, and Firearms. <br />K. Elk Creek Mine Overland Conveyor - An overland conveyor will be constructed to <br />transport coal from the Elk Creek Mine portals to the top of Stacking Tube No. 1 in the <br />Elk Creek facilities area. The Elk Creek conveyor will include an underground section <br />extending from the D Seam intercept to the mine portals; a surface section, constructed on <br />grade and a elevated section, tying into the existing headhouse on top of Stacking Tube <br />No. 1. A transfer point will allow coal refuse or mine development waste to be diverted <br />through a discharge chute to a temporary stockpile. As material accumulates in this pile it <br />will be loaded and hauled to the West Valley fill disposal area. The conveyor will have a <br />capacity consistent with the maximum annual production rate of 4,800,000 tons annually. <br />The conveyor design includes partial covers for dust control, walkways for inspection and <br />maintenance, and emergency stop controls in compliance with applicable MSHA safety <br />regulations. <br />L. North Elk Creek Soil Stockpile — The existing Elk Creek soil stockpile will have to be <br />moved to accommodate construction of the new Sedimentation Pond D. Soil materials <br />from this existing stockpile will be placed, along with all soil recovered from the Elk Creek <br />Mine surface facilities disturbance area, in a new soil stockpile constructed on the east side <br />of Elk Creek, near the northern limit of the new mine disturbance area.' Projected stockpile <br />capacity is approximately 65,200 (18,600 cy from existing stockpile, 46,600 cy soil salvage <br />from Elk Creek Mine disturbance areas) cubic yards and will be verified by survey <br />following completion of soil relocation stockpiling activities. Compliance with applicable <br />design and stability requirements is addressed by the Slope Stability Analysis for Elk Creek <br />Mine Portal Bench Fills and Soil Stockpile (Montgomery Watson, 2000). Additional details <br />on soil material handling and storage are provided in Section 2.05.3(5). <br />M. Petroleum Storage Facility/ Washbay Facility — A combination petroleum storage facility/ <br />washbay facility is located south of the Elk Creek portals. The facility is a combination <br />cinder block wall construction on a concrete foundation. It houses bulk fuel, oil and <br />emulsion tanks and drum, tote and pail lubricant storage. The washbay includes a steam <br />cleaner, sediment sump and a oil water separator system. <br />N. Sump Water Injection Borehole — A sump water injection borehole is located northeast of <br />the upper Elk Creek facilities pad area. The borehole facilitates the transfer of water from <br />the D seam water collection sump to the old B seam /C seam (Somerset mine) workings. <br />The borehole consists of a 6 'A" borehole with a steel 4 ' / 2 " casing set approximately 499' <br />to the underlying B seam workings. The well completion diagram is found in Exhibit 2.04 - <br />E4, Hydrologic Information, Item 3, Well Completion Diagrams. <br />O. Elk Creek Fan Bench Methane Borehole and Exhauster Facility — An 18" steel cased <br />methane borehole and exhauster facility is located NW of the Elk Creek Fan. The facility is <br />connected to an underground network of mine pipe to drain methane from various east <br />mine areas in the north panel district. <br />TR -68 2.05 -23b Rev. April 2010 <br />
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