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2018-03-08_PERMIT FILE - C1981035A (6)
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2018-03-08_PERMIT FILE - C1981035A (6)
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Last modified
7/8/2020 10:29:06 AM
Creation date
3/22/2018 11:16:48 AM
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Template:
DRMS Permit Index
Permit No
C1981035A
IBM Index Class Name
PERMIT FILE
Doc Date
3/8/2018
Section_Exhibit Name
KI 2.05.3 Operation Plan - Mine Plan Area
Media Type
D
Archive
Yes
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OPERATION PLAN - PERMIT AREA <br /> MINE BENCH <br /> The surface disturbed area includes the mine bench, refuse pile and the access <br /> road to the mine bench. Total area at the King I mine site approved for disturbance is <br /> 23.60 acres. All surface facilities for the support and processing of coal were <br /> constructed on the mine bench. No surface mining operations exist on the mine <br /> bench; all coal extraction activities were confined to the underground King I Mine. <br /> Map King I-007 shows the permit area which includes the mine bench. Facilities <br /> constructed on the bench included office building, bath house, shop, scale house, <br /> office trailer, tipple area with coal storage bins, coal stocking (storage) areas, a main <br /> fan, 10,000 & 37,000 gallon water storage tanks, a rock dust silo, and a sub-station. <br /> With the exception of the tipple and the main fan construction site, the <br /> remaining facilities were erected upon the natural (original) contours of 3:1 slopes. A <br /> 1.5:1 sloped highwall was cut to provide a bench for the main fan and the tipple area. <br /> The tipple set at the outcrop of the coal seam being mined. A third highwall exists <br /> directly south on the mine property with a slope of 1.5:1. The bench created by the <br /> earth work here was the site for the shop structure erected in 1981 and removed in <br /> 2011. <br /> The highwalls and the eastern drainage containing the Refuse Pile and Plant <br /> Growth Medium Storage Area are shown on Map King I-007 and are included within <br /> the boundaries of the surface area, approved for disturbance of 23.60 acres. <br /> Diversion channels (See Map King I-007) will divert the up-slope runoff around <br /> the disturbed areas. The reclamation plan calls for utilizing the plant growth medium <br /> stored in the eastern drainage and re-vegetating these areas upon abandonment of the <br /> mine. <br /> MINE WASTE ROCK DISPOSAL <br /> During normal underground mining operations, shale and sandstone break away <br /> from the roof and floor of the coal seam. This material was initially removed from the <br /> King I mine, and is currently removed from the King II mine and placed in the existing <br /> Refuse Pile at the King I mine site (see King I PAP section 2.05.3). Most of the material <br /> removed from the King II mine currently originates from the area within OSMRE permit <br /> CO-0106A. All mine refuse is being constructed into a Refuse Pile. As of June 2017, <br /> approximately 176,000 yd3 exist. The waste bank is currently designed to <br /> accommodate up to 1,000,000 yd3. Details of design and construction are given in <br /> Appendix 10(1) and are entitled Waste Bank Design Summary Report, November 1993, <br /> revised December 1997, by Don R. May, P.E. The mine Refuse Pile and design <br /> drawings are shown on Map King I-007 "Operation Plan 8v Surface Features", Map King <br /> I-014 "Mine Waste Pile Design-Plan Layout" and Map King I-015 "Mine Waste Pile <br /> Design-Detail Sheet". <br /> Standard Proctor tests and nuclear density tests will be performed annually as <br /> detailed in Don May's aforementioned report to ensure that the waste pile continues to <br /> meet the designed compaction requirements. Should different types of strata be <br /> encountered during mining, these tests will be repeated to ensure that no significant <br /> changes in compaction are allowed. <br /> MR-41, "Refuse Pile Sampling Plan", was approved September 22, 2016. This <br /> revision consisted of sampling several holes bored into the Refuse Pile, as well as <br /> several locations underground in and around the active workings of the King II mine. <br /> The report produced using the data obtained from this sampling has been submitted to <br /> the Division as MR-45, and is included in King I Appendix 4(8). <br /> GCC Energy, LLC King I Mine <br /> Section 2.05.3 <br /> Page 2 February 23, 2018 (MR-47) <br />
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