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• blowing configuration. An axial type fan is proposed for the installation <br />which provide maximum air moving efficiency, allow adjustments to <br />flow volume, and can be equipped with dampers to reduce noise <br />levels. The fan will be controlled and monitored by automated systems <br />which well provide timely warning in the event of fan malfunctions. <br />General construction and dimensional information for the fan, air duct, <br />and escape pod enclosure is provided on Table 2.05.3 -2. <br />Upon completion of mining, the fan, associated mechanical equipment, <br />and housing structure will be salvaged and removed from the site. <br />Foundations and other incombustible construction materials will be <br />disposed of in the shaft openings. Finally, each shaft collar will be <br />sealed with a reinforced concrete cap equipped with a vent pipe. <br />Overburden material will be placed over the concrete caps and the <br />area will be graded to provide drainage away from the immediate area <br />of the seal. Detailed descriptions of a shaft seal and final reclamation <br />of the associated area are provided later in Section 2.05.4. <br />Mine Office /Bathhouse /Warehouse Building <br />A metal building located near the portal area will serve multiple mine <br />operating functions. Offices will be provided in the building for the <br />mine production and maintenance management, safety, payroll, and <br />purchasing staff. Areas will also be available for meetings, training, <br />and lunch facilities. Separate areas within the structure will be <br />provided for the changing and showering of all workers and staff, with <br />enough showers as required for the projected number of miners on <br />each shift. In addition, a separate portion of the building will serve as a <br />warehouse for supplies and spare parts for both surface and <br />underground mining operations. <br />Dependent upon the nature and frequency of use, and their size, spare <br />parts and supplies may either be stored inside the warehouse area or <br />in an open storage area on the surface which is adjacent to the <br />warehouse. Inventory and material control practices will insure that all <br />materials and especially those which pose potential environmental or <br />safety hazards are stored and handled according to manufacturer <br />recommendations and in compliance with all applicable regulations. <br />Such materials include petroleum fuels and lubricants, and waste oil, <br />which will be stored separately in above - ground storage tanks and <br />contained storage areas. <br />Sanitary waste from the building will be directed to the facility septic <br />system. General construction and dimensional information for the <br />office /bathhouse /warehouse building is provided on Table 2.05.3 -2. <br />2.05.3 -13 Revised 12/04/09, TR -01 <br />