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~ En¢ineerine and Office Trailers (MR90-25 and MR07-2191 <br />• A trailer, housing engineering offices was placed on the south side of the existing engineering trailer. This new <br />trailer is 14 feet wide by 70 feet long and approximately 20 feet high, of composite wood and metal construction. <br />A second modulaz (2 connected sides) office trailer was installed in 2007 to provide additional needed office space. <br />This second trailer is 28 feet wide by 30 feet long and approximately 20 feet high, and of similar construction. No <br />plumbing for water or sewer is associated with either trailer, but they are wired for electrical. The temporary office <br />trailers will be removed from the site when no longer needed. <br />Trainin¢ Facility <br />The Training Trailer is located on the southeast comer of the existing engineering trailer. This facility is <br />approximately 28 feet wide by 61 feet long and 16 feet high, with the foundation. The building is of wood and <br />metal construction. Wooden walkways were constructed on both the front and back of the trailer, which are 5 fee[ <br />by 40 feet, and 5 feet by 20 feet, respectively. One ramp and one stairway, totaling 350 cf, were constructed for the <br />walkway entrances. The Training Trailer site is located in an existing disturbed area. <br />Approximately 46 CY of concrete were used to construct the 192 cf of footer, 1,008 cf of foundation stem walls, <br />and 7.5 of of pads (6) for the training facility. A sewer line is buried 2-4 feet deep from the training facility to the <br />manhole north of the Bathhouse facility. Approximately 130 feet of water line were buried 4 feet deep, and extend <br />from the water-supply line east of the main office to the site. Conduit, powerline, and communication lines were <br />also buried to service this facility. An existing berm, southeast of the engineering trailer, was graded to the south to <br />accommodate the new training facility. The existing ditch along the southwestern edge of the employee parking <br />likewise was moved to the west to divert surface flow from the Employee Parking Area into Ditch D-4. The <br />relocated ditch was lined with belting for its entire length. <br />• The concrete, building, and walkway will be demolished when no longer required and disposed of on-site. <br />Water-Line <br />A water-line extends from Location 6 to the south side of the Operations Center. The water-line is 6-inch High- <br />Density Polyethylene (HDPE) and is buried a minimum of six feet below grade. Two hydrants (Mueller 4.5-inch) <br />were installed at taps on the new water-line. The hydrants will be removed when no longer required. <br />Access Water-Line <br />A water-line extends from Location 6 to the East Side of the main office, and then continues to the South Side of <br />the Operations Center. The water line is 4-inch HDPE and is buried six feet beneath the surface. One hydrant was <br />installed at a tap on the new water line. The hydrant will be removed when no longer required. <br />Batch-Weigh Water-Line <br />A water-line extends from the Batch-Weigh Loadout towards the stack-tube for approximately 500 feet. The water <br />line is 4-inch HDPE and is buried six feet beneath the surface. No surface taps are installed on the line. <br />Telephone Pole and Cable Addition <br />Ten new telephone poles were installed along the Mine Entrance Road from RCR27. Each of the poles is 30 feet in <br />length and will support an additional 4,400 feet of communication lines to service the TCC facility. The project <br />design suggests 6 to 14 new telephone poles as a possibility, but all present plans and figures are based on ten poles <br />only. The additional telephone poles will be removed when no longer needed. <br />~J <br />MR07-219 2.05-61 07/23/07 <br />