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Section - 2.05.3 <br />(W continued) conjunction with expansion of the Elk Creek coal stockpile. A replacement <br />subs ration was constructed just west of the coal stockpile. The substation consists of a <br />concrete slab; buried grounding field; control building; steel support structures; transformers, <br />control and switching equipment; and protective steel perimeter fence with locking access <br />gate. <br />In conjunction with relocation of Substation 1, a segment of the existing powerline which <br />presently crosses lower Elk Creek Canyon was relocated to the north to provide adequate <br />clearance for the stockpile transfer conveyor and stacking tubes, and other feed and <br />distribution lines were also relocated or constructed. The new poles required fox relocation <br />of the main powerline were set and accessed from an existing powexhne road on the west <br />side of the canyon, an existing exploration drilling road on the east side, and the \X/est Valley <br />Haul Road. Approximately 3,100 feet of additional light-use roads were constructed to <br />access new pole locations. Delta-Montrose Electrical Association was responsible fox all <br />powerline relocation activities and tie-ins. On completion of powerline relocation activities, <br />all associated disturbance areas were reseeded to control erosion, however, the associated <br />light-use roads have been retained Eor powerline access and maintenance. <br />X Coal Laboratory -This steel building was demolished in 2005 fox expansion of the bathhouse <br />facility. A coal gas chxomatogxaph is located in the expanded bathhouse facility (2006). <br />Y. Equipment and Material Storage Areas -Mine consumable supplies and parts including such <br />items as roof bolts, timbers, conveyor belting, conveyor idlers, scrap equipment and parts, <br />and other materials and supplies axe stored in several open storage areas. These areas include <br />portions of the East Yard area, areas located along the main surface Elk Creek beltline and <br />portal, upper Elk Creek bench area and an area located to the west of the bathhouse. In <br />conjunction with expansion of the Elk Creek soil stockpile, materials stored near the former <br />explosives storage area were either disposed of or moved to the East Yaxd storage area. <br />Z. Rock Dust Storage Bins -The former rock dust storage consisted of two steel tanks <br />supported on structural steel columns, located in the Elk Creek Facilities Axea. With <br />development of the Elk Creek Mine, these storage tanks were moved up Elk Creek Canyon <br />to a location in the vicinity of the Elk Creek Mine Ventilation Shafts. <br />AA. Explosive Magazines -The explosive magazines, consisting of four (4) portable magazines, <br />are located between Pond D and the coal stockpile. These magazines provided storage fox <br />the powder and blasting caps used at the mine. The magazines are permitted in compliance <br />with applicable regulations of the Bureau of Alcohol, Tobacco, and Firearms. <br />BB. OIl Storage -The oil storage budding consists of a cinder block building on a concrete <br />foundation. It houses bulk oIls and lubricants in pales and drums, etc. <br />CC. Railcar Antifreeze Storage Tanks -Two vertical 12,000 gallon capacity steel tanks and one <br />horizontal 6000 gallon capauty steel tank axe used to store the railcar antifreeze solution. <br />The calcium chloride solution is selectively sprayed on the interior sides of rail cars during <br />the winter months to minimize freezing of coal to the sides of the rail cars. <br />DD. Elk Creek Refuse PIle, East Yard Storage Area, and Road -The East Yard is a graded, <br />partially gravel-surfaced, flat area which overlies the pre-law Elk Creek refuse pile. Over a <br />period of years (pre-law), the refuse pile was eliminated as a distinct feature in this area and <br />most of the coal refuse from the pile was distributed and ended-up being minced in with other <br />surface materials in the yard area. The former conveyor belt and haul road from the Sanborn <br />Creek Mine traversed this yard as well as raw coal storage. It is presently used Eox storage of <br />supplies and other surplus equipment. The present Elk Creek Mine coal stockpile is the <br />MR78 2.05-16 Rev. May 2006 <br />