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2.05 APPLICATION FOR PERMIT FOR SURFACE OR UNDERGROVND MINING ACTIVITIES - MINIMUM REQUIREMENTS FOR OPERATION AND RECLAMATION PLANS. . A change house (pre-engineered) metal building to provide sanitary shower and change room facilities for mine workers was also located on the Portal Level. Office and training space for mine Supervisory, Safety, and Engineering staff was located in the upper level of the change-house facilities. This building was removed during 2000. The foundation for this building remains and will be pushed into the backfill of the East Mine Portal Bench when restored to approximate original contours. An area for fuel, lubricants, and maintenance equipment was lo- cated on this level as well. The superstructure, tanks and piping have all been removed. The foundations remain and will be pushed into the backfill of the East Mine Portal Bench. The main electrical substation for the mine is located at an elevation of 7,140 feet. It reduces the incoming 46 KV power to usable power for underground and surface operations. This substation remains in place and is still operational. At 6,990 feet elevation, the shop and warehouse buildings were of a pre-engineered type on concrete slab foundations. The 6vildings were removed during 2000, but the footings remain. Most of the footings will be pushed into the backfill, but some will remain in place and simply buried in the fill under a minimum of 4 feet of cover material. • Across the road from this was a pre-engineered tire shop and ground storage complex used for storage of large mine machinery and storage of supplies. The tire shop has been removed during 2000 but the concrete foundations remain. Nearly all of the supplies and machinery have been removed during 2000. Surface Conveyors The coal was conveyed to the surface on enclosed conveyor, C-0. The operator removed this conveyor in 2000. The direction of the conveyor structure was changed at Transfer Tower Number 1. The operator removed this transfer tower during 2000. The exiting conveyor, C-lA, emptied into the top of a 2,000-ton surge bin (elevation 7050 feet) which is capable of handling expected peaks in mine production and equalizing flow into the crushing and screening building. The operator removed this conveyor and most of this surge bin during 2000. The concrete base which also contains two vibratory feeders of the 2000 ton surge bin remains along with all of the footers for the conveyor. The operator removed the Crushing and Screening Plant during 2000. The concrete footings remain and a portion of the stacker tube. I• Permit Renewal - 12 - 01/03 Rh-o 4 ~4~9~° 4~ /~1IZ-J a 6