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JD-8 Reclamation Cost Estimates <br /> M-1984-014 <br /> Using Estimated 2025 Costs <br /> Lower Mine Waste and Portal Area <br /> Demolition <br /> - Shop/dry building(40'x60') <br /> - Shop/dry building concrete foundation <br /> - Portal structure <br /> - Hydrocarbon tanks <br /> - Utilities <br /> Disposal <br /> - Concrete foundation will be broken up and placed in the portal <br /> - Materials from the structures will be taken to the Broad Canyon Landfill <br /> • Portal Closure <br /> - Concrete and approximately 250 tons of mine waste material wilt be used to backfill <br /> the portal using a low-profile loader. <br /> Earthwork <br /> - The recontouring of the mine waste dump will be completed by a dozer. The area will <br /> be regraded to a 2H:1V slope and the total amount of material is 2,640 lcy. <br /> - Approximately 1250 lcy of previously stockpiled soil will be spread at a four-inch <br /> thickness over the recontoured waste dump using two 10-ton articulated trucks, a <br /> loader and a dozer. <br /> Revegetation <br /> - Approximately 6 acres of recontoured waste dump area wilt be reseeded by <br /> broadcast seeding. <br /> • <br /> 1 <br />