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PERMFILE139112
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PERMFILE139112
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Entry Properties
Last modified
8/24/2016 10:39:53 PM
Creation date
11/26/2007 8:20:42 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1982056A
IBM Index Class Name
Permit File
Doc Date
9/14/2005
Section_Exhibit Name
2.05 Operation and Reclamation Plans
Media Type
D
Archive
Yes
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the trailer. The location is shown on Map 24, Surface Facilities. In 1995, a temporary office trailer with <br />dimensions of 24 x 66 x 12 feet was leveled and blocked south of the administration building. There were no water <br />~) and sewer hook-ups, and a 40-foot long buried conduit brought in power from an existing transformer. The <br />location is delineated on Map 24. Bonding calculations addressing the temporary office trailer are presented on <br />page 2.05-54(f)58. <br />Parking for the administrative staff and miners is located east of the bathhouses. In order to accommodate parking <br />requirement for mine employees and visitors, the layout of the parking azea has been modified as shown on Map <br />24. As shown on the map, parking islands have been constructed to establish parking comdors and walkways in <br />the pazking area. The parking islands have curbs made of railroad track and concrete light pedestals. Connections <br />from the light pedestals extend to elevated outlet boxes which provide cold-weather plug-ins in the pazking area. <br />Three additional parking islands were pemutted and constructed in 1995, as shown on Map 24. The new parking <br />islands are consistent in design with the existing islands. There are two parking islands per line of cars. Each <br />island is equipped with 8 electrical receptacles hung on a one-rail structure supported by an oblong railroad rail <br />base. Bonding calculations addressing the new parking islands are presented in Appendix A. <br />Drainage around the parking area was modified as per the details provided on Map 24. The ditch between the <br />current parking area and access road was filled and runoff will be directed into Ditches D-4 and G-4. The guard shack <br />was converted into a storage building and it is located on the west end of the mobile equipment pazking/material storage <br />yazd. <br />In 2005 the unpaved eastern portion of the existing parking lot (approximately 130 x 180 feet) was leveled and <br />regraded, with excavated material being used to fill-in and bring low azeas up to a wnsistent grade. Road-base material <br />was subsequently brought in and compacted over the regraded pazking area to establish a suitable base for paving <br />operations. The area was then paved with approximately 3-4 inches of asphalt paving material. The perimeter surface <br />drainage system was maintained or reestablished during grading, base preparation, and paving operations. <br />..~ In order to evaluate the existing septic system and leach field for future expansion at the mine a percolation test was <br />conducted. Approximately six, 4-inch diameter holes, 30-48 inches deep were augured for the percolation test. <br />After the test was completed, the cuttings were placed back in the hole. Also, aneight-foot deep backhoe pit was <br />dug so a soil profile could be obtained. After the backhoe pit was logged it was backfilled. It should be noted that <br />the activity as shown on Map 24, Surface Facilities, would be within the boundary of the existing sediment control <br />system. <br />The bathhouse/office facility replaced the former bathhouse trailers, and was constructed adjacent to the operations <br />center as indicated on Map 24. The existing water and sewer systems were utilized for the new facility. The former <br />trailers were removed during the summer of 1993, with a portion of the resulting open azea becoming part of the <br />.parking lot. Water and sewer lines from these trailers were capped and covered. <br />Approximately 3,000 cubic yards of taterial was removed during excavation for the foundations and slab, and <br />approximately 400 yards of compacted backfill material was used for the foundations and slab. In addition, some 850 <br />tons of gravel was compacted beneath the foundations and slab. No other excavation work is planned. A limited <br />amount of additional dirtwork included contouring of the pazking lot azea where the current administration trailer and <br />parking is located, and a possible widening of the access road by some 25 feet, should this become necessary in the area <br />of the new bathhouse facility. The parking area was surfaced originally with tar-sand material, but this material has <br />been overlaid with asphalt, and drainage will be conveyed via the existing system. <br />The original building is of concrete block construction and has dimensions of approximately 200 x 75 feet. <br />Approximate height of the building is 15 feet. The building was placed on a reinforced spread-footer foundation <br />and has a reinforced concrete slab floor. In 2003, under MROl-173, aten-foot expansion to the south was <br />` ~1 constructed for the bathhouse area only, providing an additional 1,000 square feet of locker room for the workforce. <br />`,J The extension design and structure matched the existing building. The extension required construction of piers, <br />MROS-196 2.05-17.3 8/24/05 <br />
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