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2017-11-20_GENERAL DOCUMENTS - C1996083
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2017-11-20_GENERAL DOCUMENTS - C1996083
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Last modified
11/21/2017 9:49:21 AM
Creation date
11/21/2017 9:48:39 AM
Metadata
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Template:
DRMS Permit Index
Permit No
C1996083
IBM Index Class Name
General Documents
Doc Date
11/20/2017
Doc Name Note
RN4
From
DRMS
To
Bowie Resources, LLC
Permit Index Doc Type
Findings
Email Name
CCW
JRS
Media Type
D
Archive
No
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The B-2 coal seam is currently being accessed through three (3) mine entries. The B-2 coal seam portals <br />are located below and just to the east of the D-2 coal seam portals, at an approximate elevation of 6630 <br />feet. The development mining and longwall mining of the B-2 coal seam were approved in Permit <br />Revision No. 8. The B-2 coal seam mine plan was amended in Permit Revision No. 9. <br />Currently, total annual coal production has been capped at 6 million tons per year. <br />The mine facilities have been constructed near the old Bowie townsite. Construction has occurred to <br />develop haul and access roads, a conveyor belt system, mine and facility benches, vent shafts, a truck <br />loadout facility, a refuse pile, and various drainage and sediment control facilities. Approval of Permit <br />Revision No. 3 added a downhill conveyor, coal stockpile and coal haul truck loading system to the <br />facilities. In addition, the mine site entrance was relocated to the east of the original entrance. Coal was <br />being exported from the truck loadout facility onto old State Highway 133 to the Bowie No. 1 Mine train <br />loadout. However, approval of Permit Revision No. 6 permitted the construction of a unit train loadout. <br />Coal now travels by covered conveyor line from the D-2 coal seam portal bench, through the downhill <br />conveyor line to the coal stockpile at the bottom of the hill and, then, to the unit train loadout. In Permit <br />Revision No. 7, the operator received approval to construct the B-2 coal seam portalbench and to use haul <br />trucks to bring coal from the B-2 coal seam portal bench up to the beginning point of the conveyor line on <br />the D-2 coal seam portal bench. From there, the B-2 coal traveled through the conveyor line system to the <br />unit train loadout. With the approval of Technical Revision No. 34, a conveyor was constructed to bring <br />coal up from the B-2 coal seam portal bench to the D-2 coal seam portal bench. <br />A drainage and sediment control system has been constructed. The system consists of ditches, culverts, <br />sedimentation ponds and alternate sediment control areas referred to as "small area exemptions". Specific <br />details regarding the designs for these systems are presented in Section 2.05, as are references to other <br />sections of the permit application document which present additional design details. <br />For the currently approved operations, all available topsoil has been salvaged and stored prior to facility <br />construction. Approval of Permit Revision No. 6 permitted a variance from salvaging all of the topsoil at <br />the train loadout coverfill stockpile. However, the variance was not needed since there was no excess soil <br />material after construction of the unit train loadout. Salvaged topsoil from the facilities areas was placed <br />in a topsoil storage pile which has a capacity of approximately 270,000 cubic yards. Topsoilwhich was <br />salvaged prior to the refuse pile construction was stored in another pile which has an approximate storage <br />capacity of 3,111 cubic yards. Specific details regarding the topsoil salvage volumes are presented on Page <br />2.05-34 of the Bowie No. 2 Mine permit application. <br />Some surface blasting occurred during construction of the facilities. Details regarding the blasting plan are <br />presented within Section 2.05 of the permit application. <br />The Bowie No. 2 Mine is located in areas known to be subject to mass movement processes. Extensive <br />design efforts and regulatory review were implemented prior to the approval of the Bowie No. 2 Mine and <br />during the review of Permit Revision No. 3 and Permit Revision No. 7. The details regarding the <br />geotechnical aspects of the mining and reclamation plan are presented within Volume VII of the permit <br />application document. <br />The Bowie No. 2 Mine will be reclaimed to the post -mining land uses of rangeland, wildlife habitat and <br />industrial. The approval of Permit Revision No. 6 added cropland and pastureland to the post -mining land <br />uses. All facilities areas and some roads will be reclaimed to reestablish the approximate original contour <br />of the land. All portals, shafts and monitoring wells will be backfilled, in accordance with the applicable <br />rules and with the reclamation details provided within the permit application. Some of the roads which <br />existed prior to mining will be retained to serve the postmining land use. <br />19 <br />
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