2013-10-08_REVISION - M2012032 (13)

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The battery charger building is the structure that doubles as a snow shed to protect the portal from getting snowed in. This should remain to allow bat access. It will be very solid and also reflects the history of the site. There are 4 - 500 gallon plastic potable water tanks near the main mine portal as shown on all mine maps. These tanks will be removed by pickup truck at mine closure. The storage portals have installed metal gates which prevent entry and the landowner desires that these gates remain to allow future use of the underground storage which is protected from the weather. For this reason, no sealing cost for these portals is included. The main mine portal already has a large and very strong metal door with bat gate installed. No additional work is needed at this portal. The 8000 gallon diesel tank on skids located east of the filter building will be hauled off site with its secondary containment at the time of mine closure. The two 55 gallon oil drums inside the storage will also be removed for reclamation. There are two portable emergency generator trailers on portable truck trailers. These will be wheeled off site at mine closure. There are two 1000 gallon propane tanks near the 8000 gallon diesel tank, which will be removed at mine closure. There are two septic tanks of 500 gallons each buried as shown on the mine maps. These tanks lead to s septic field which is a series of pipes placed on top of 4 feet of sand to allow infiltration into the waste rock below the sand. These tanks and septic field will remain after reclamation for site sanitation. The future Mine Equipment Storage and Shop Building has not been built as of 2013. It is planned to be a portable Quonset but building on a 6" thick concrete foundation. The approximate building dimensions are 145 ft long x 50 ft wide. Height will be 18 feet in the center tapering on both sides. Revenue Mine September 2013 L -4