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generating station performance. Coal from the Nucla Mine and the Nucla <br /> East mining area will be used for a portion of the test burn. The coal <br /> supply required from the Nucla Mine and Nucla East mining area for the <br /> period 1987-1990 is estimated to be 300,000 tons, ordered periodically <br /> throughout the two year period. <br /> Mining <br /> Prior to temporary cessation, coal at the Nucla Mine was mined from the <br /> Upper and Lower Dakota coal seams , uncovered by two 5 cubic yard <br /> draglines. Upon reopening, as described in revised Tabs 12 and 13, <br /> overburden will be removed by means of dozers and scrapers. The coal is <br /> then loaded into 25-ton capacity haul trucks and transported over paved <br /> county roads five and one-half miles to the power plant. <br /> Facilities <br /> Existing buildings at the Nucla Mine consist of an office trailer (10'w <br /> x 37'1 x 8'h) , a bathhouse trailer (14'w x 38' 1 x 8'h) , and a parts <br /> storage semi-truck trailer (8'w x 1 x 8'h) . These buildings were <br /> placed on the minesite in 1987 to replace the combination office-shop <br /> building which has been removed. Exhibit 12-2 shows the existing mine <br /> facility area. Building facilities proposed for the Nucla East mining <br /> area will consist of a wood-framed-metal clad pole barn (60'w x 100' l x <br /> 20'h) for a repair shop/warehouse and the relocation of an abandoned <br /> house from the mining area for an office. In addition, the existing <br /> trailer facilities as described above will be relocated to the new <br /> facilities area as shown on Exhibit 12-3. <br /> Potable water is currently supplied through public facilities and water <br /> coolers. The 300-foot deep water well previously located at Nucla Mine <br /> has been plugged and abandoned in accordance with proper procedures. <br /> Potable water at Nucla East will be provided through a proposed <br /> waterline that ties into the City of Nucla water system. Sewage from <br /> the existing building facilities is treated and disposed through the use <br /> of a septic tank and leach field system. Sewage from the proposed Nucla <br /> East facilities will be treated and disposed of in the same manner. <br /> 1-2 Revised 08/19/88 <br />