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The Whirlwind pad, as previously discussed, will have two levels. The lower level will be at <br />• approximately the same elevation as the portal while the upper level will gradually move up the side <br />of the hill to the east. This upper level will be built from waste rock hauled from the mine. <br />The Packrat pad will be relatively small (approximately 1.0 acre in disturbed area) and terraced to <br />provide two levels as shown on Maps C-4 and C-5. The cut and fill for the portal area is an <br />approximate balance of 3,200 cubic yards. Two 30-ton metal bins for storage of waste rock and ore <br />will be installed so that the buggies can dump into the bins at the top level and haul trucks can pull <br />under the bins on the lower level and be loaded. An additional pair of bins may also be installed at a <br />later date if needed. See Map C-4 for a plan view of the mine layout. The upper pad will have a <br />ramp that allows the mine buggies to reach the top of the bins to dump. Map C-5 shows the cross <br />sections of the Pack Rat Mine. These cross sections show the existing terrain, the mining <br />configuration and the reclaimed terrain. The existing reclaimed Packrat waste pile is located on <br />steep terrain and is not suitable for disposal of waste rock. Accordingly, all waste rock and ore <br />hauled out of the Packrat Portal will be dumped into the bins. The waste will be hauled from the <br />waste bin to the Whirlwind waste rock pile while the ore will be hauled to either the Whirlwind ore <br />• stockpile or directly to the mill. <br />13. Utilities <br />The local power company will supply electricity to the site using the existing power poles and lines <br />for the most part. Some additional poles and transformers will be needed and temporary generators <br />may used in some areas until the power is completely established. Installation of the new power <br />poles and lines and acquisition of the required right of ways will be the responsibility of San Miguel <br />Power Company. <br />Power drops to the Whirlwind and Packrat portal areas, Whirlwind Mine, Packrat Mine, and vent <br />shafts will be installed. The approximate locations of the underground mine power drops are shown <br />on Figure C-1 B.The power drops for the Whirlwind portal and vent shafts will probably be from a <br />power pole transformer to a breaker box at the ground surface, although some vent shafts could be <br />• <br />Whirlwind Mine July 07 D-22 <br />