2012-11-29_PERMIT FILE - M2012032 (9)

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6. Dismantle Buildings and Structures at Portal Area Reclamation will include the removal of all buildings and other structures. The following structures will be removed at the Revenue Portal area: • Surface equipment storage and shop • Mine office • Compressor room • Dry -room • Mill loadout • Cribbing All of the facilities have a 12 inch concrete foundation, with the exception of the cribbing and the dry -room. The cribbing is timbers, and the dry -room is a pair of trailers. 8. Reclaim Portal Areas There are three portal areas that will have to be reclaimed at Revenue: the underground storage room, the mill, and the Revenue tunnel portal itself. The underground storage room and mill portal will be backfilled for 25 feet into each portal with waste rock from the mine. This rock will be pushed into each portal by a dozer, and the face of the backfill slope topsoiled and seeded along with all other disturbed areas. The underground storage room has two entries that must be backfilled while the mill has a single entry at the tailings loadout that must be backfilled. The Revenue tunnel portal will not be backfilled due to the mine water discharge that flows year around. Instead, a steel bat gate will be welded into place at the Revenue portal. No bat survey has been conducted in this area and no bats have been seen in the existing Revenue Tunnel but Division of Parks and Wildlife stated that the installation of a bat gate at this portal was acceptable in their comment letter on the application. 9. Backfill Ponds and Collection Ditches All sediment ponds will be removed after successful revegetation of the mine areas that drain to it. Map F -1 shows the remaining earthworks for each pond. Typically this will be a flat area at the elevation of the pond's previous bottom, with the embankment having been removed. The material Revenue Mine August 2012 E -5