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` ~ ' ~ . <br />West Elk Mine <br />Maintenance Shop <br />Construction of a new maintenance shop was completed in June, 1993. The 15,000 square foot <br />shop consists of two levels. The ground floor includes six service bays, including a welding bay <br />and a wash bay. The second level mezzanine, located in the back half of the building includes <br />offices, a library, a lunch room, and a locker room. An as-built construction description is <br />provided in Exhibit 68. <br />Three-Sided Warehouse <br />In addition to the main warehouse, material storage is provided in the three-sided warehouse. <br />This 4,400 square foot, open-front building contains five bays for materials storage. <br />Surface Shop Building <br />The surface shop building is used for maintenance of surface equipment. The 4,130 square foot <br />building consists of two service bays, aline-up area and a covered area used for sand and gravel <br />storage. <br />Bulk Fue% Barre% and Hydraulic Component Storage Areas <br />Mountain Coal Company stores bulk petroleum products within a covered, concrete bunker <br />capable of containing approximately 31,000 gallons. Barrels containing product or waste <br />materials are stored within a seperate covered, containment area of approximately 1,840 square <br />feet located between the bulk fuel area and the Maintenance shop. These storage areas are <br />enclosed by three walls and a roof to reduce the accumulation of precipitation within the <br />concrete bunkers. See the Spill Prevention, Control and Countermeasure Plan in Exhibit 8 for <br />more detailed information regarding the fuel storage area containment. The bulk fuel storage <br />area also includes a heated, enclosed storage bay for a total storage area of approximately 3,500 <br />square feet. To the west of the heated, enclosed bay is the hydraulic components storage <br />building. This 450 square foot, steel structure provides containment and cover for hydraulic <br />components, motors, etc. being stored prior to return to vendors. An as-built construction <br />description is provided in Exhibit 68. <br />Bulk Rockdust Bin and Compressor Building <br />Mountain Coal Company utilizes a bulk rockdust storage & distribution system at the West Elk <br />Mine. The bulk rockdust bin has a capacity of approximately 142 tons. The compressor, <br />distribution tank and controls are contained in a 416 square foot building at the base of the bulk <br />storage bin. An as-built construction description is provided in Exhibit 68. <br />Wafer Treatment System <br />Water Treatment Plant - A water treatment plant at the mine site provides potable water for the <br />operation. The Culligan Multi-Tech 48 water treatment system can treat water at the rate of 62 <br />gpm. Thus, maximum capacity is about 89,280 gallons of treated water per day. The water <br />treatment plant is operated as required by state regulations and under the jurisdiction of the <br />2, 05- 18 Reused May l993 MR90; Revised Mnr. 1994 MRl 18; Revised June f 994 MR/? 7 <br />