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• IV.B.2 Mine Service Buildings <br />Two mine service buildings are located at "D" Portal Area, a Change House and a <br />Shop-Warehouse. The change building contains showers, dressing rooms and associated facilities <br />for the employees. The shop-warehouse building contains a maintenance shop and storage <br />facilities. The warehouse stores replacement parts and consumables required for mine operation. <br />A loading dock receives material where it is transferred to mine vehicles for distribution inside the <br />mine. <br />The plan area of each building is approximately as follows: change building - 8,000 square feet, and <br />shop-warehouse - 20,000 square feet. The service buildings were constructed on concrete footings <br />with floating concrete slabs. The sides and roofs are covered with metal sheathing. <br />A moveable storage shed is currently (1999) located at the Refuse Disposal Area adjacent to the <br />haul road in Sub-Area 5a. It is an all steel building with steel railroad tie floor. Its main function will <br />be the storage of reclamation equipment and supplies. It also contains a break room for personnel <br />assigned to the Refuse Area. <br />When a mine service building is no longer required, the structure will be disassembled or <br />demolished and removed or buried at the Halandras Landfill. The concrete foundations will be <br />. buried or demolished during the regrading portion of the reclamation effort. <br />IV.6.3 Rock Dust Bin Rock dust bins are located in the "D" Portal Area, at a rock dust <br />dispensing hole (RDH-2) southwest of the haul road/County Road 65 intersection, and at a similar <br />location, RDH-3, north of County Road 65 (see Map 147 and 154). A rock dust bin facility for D- <br />Seam workings was reclaimed in 2001 (RDH-1 ). The rock dust bins store approximately 140 tons of <br />material. These bins consist of round steel tanks approximately 30 feet high sealed on the ends to <br />prevent moisture from entering. At the end of mine operations, the bins will be disassembled or <br />demolished and removed or buried at the Halandras Landfill. The concrete foundations will be <br />covered during reclamation. <br />IV.B.4 Explosive Storage Explosive storage facilities are located at the "D" Portal area as shown <br />on Maps 15 and 25. Outside distributors will supply explosives when needed. BME may store <br />limited amounts of explosives on site in a magazine at the designated location. Explosives storage <br />and use is regulated by the Colorado Division of Mines and the U.S. Department of Treasury. <br />IV.B.5 Surface Blasting Plan BME complied with all applicable state and federal regulations <br />while conducting surface blasting activities. Each person who conducts surface blasting will <br />comply with all state and federal laws in the use of explosives. Blasting operations will be <br />• Technical Revision #65 (4/2008) IV-4 <br />