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Chapter 11 <br />This was a relocation of an existing power line, which was done for better access, <br />• and improved tree clearance, one of three minor revisions, approved during the <br />preceding permit term (1983-88), to relocate sections of the power line system in <br />order to facilitate the modernization program. The lines were relocated, as <br />approved in the revisions. They are: <br />Sept. 18, 1984. The minor revision was approved for relocation of a section of the <br />No. 5 powerline at the preparation plant to in order to remove it from any conflict <br />with the new Sutey refuse pile conveyor. Mid-Continent moved the line to alleviate <br />congestion of power line, conveyor belts and ponds behind the preparation plant. <br />The line was moved westerly, up the hill. <br />March 19, 1985. The minor revision allowed relocation of a powerline which ran <br />through the new area designated for alternate coal storage. <br />July 2, 1986. MR-3. The revision allowed for replacement of the power line from the <br />substation to the Adit/Rock Tunnel, with the new route to parallel the overland <br />conveyor route. <br />(2) Methane Gas Pipeline. <br />Methane gas which is liberated during the mining process is used as fuel for the <br />preparation plant thermal dryers. Usage is determined by availability. <br />• The gas is collected underground in the mine and then piped to the surface to a <br />Methane Drainage and Compressor House, located at the portal area of Main Entry <br /># 1. The gas is then piped approximately three miles downhill to the dryers. The <br />pipe is four inches in diameter. It is buried, and the pipeline right-of-way has been <br />successfully reclaimed, with a good vegetative cover established. Exhibit II-B-4 b & <br />d. Prior to construction, a special use permit was obtained from the U.S. Forest <br />Service for that portion of the pipeline route which crosses forest service lands. <br />h. Sewage Treatment. <br />A septic tank and leach field, adjacent to the office, bathhouse and training center <br />are designed to treat contaminated effluent, and permitted by the Pitkin County <br />sanitarian. <br />Shower water from the bathhouse drains to the pond located east of Dutch Creek. <br />The pond has been permitted by the Colorado Department of Health and EPA. The <br />NPDES designation is Pond #03. Aseptic tank and leach field have also been <br />installed, south of the road, for the Adit/Rock Tunnel lamphouse facility. <br />i. Water. <br /> <br />23 <br />