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Permit Amend) _ Cli,m Mine <br />CLIMAX MINE RECLAMATION COST ESTIMATE <br />Financial Reporting Unit Rates <br />Mayflower TSF <br />Assumptions: <br />(1) Trucks, Loader, and Dozers in 2000 Reclamation Cost Estimate are reasonable (Only change to 2000 cost estimate are equipment & labor rates). <br />(2) Soil Replacement Thickness is not required over area covered by High Process Pool (376 ac); standard 12" growth medium cover over impoundment outside sludge cells (244 ac). <br />(3) Sludge Cells remain for material deposition post-closure; no reclamation required. <br />(3) Revegetation is covered elsewhere. <br />Tasks: <br />Haul and spread cap material to Tenmile• <br />(1) Hauling and placement of 6" biosolids/topsoil over 6" subsoil for "dry" cover (244 ac estimate). <br />Timing <br />End of Mine Life <br />Total Cost <br />$1,325,517 <br />Calculations <br />• <br />+:.. <br />TasklArea #pf Initial. Swell . CostlUnit Total Labor Cost/Unit. Total Material <br />Equip Volume Factor City Units Production Units Hrs Req•d Cost/Unit Equip Total Equip Cost Labor Cost Materials Cost Total Cost <br />DRY COVER CONSTRUCTION: <br />Haul and Place 6" topsoillbiosolids over 6" subsoil (244 ac) <br />CAT 777B Haul Truck 4 393,653 1.000 393,653 (cy) 193.94 (cythr) 2,030 $371.23 $753,501.50 $30.02 $60,932.23 $814,434 <br />CAT 992C Loader 1 Trucks Per Loader 4 507 $513.20 $260,418.38 $30.40 $15,428.57 $275,847 <br />D8N Dozer 1 507 $179.86 $91,268.55 $33.81 $17,154.19 $108,423 <br />14G Grader 1 507 $118.09 $59,924.19 $3237 $16,427.51 $76,352 <br />Water Truck 1 507 $69.43 $35,229.17 $30.02 $15,233.06 $50,462 <br />Support Equipment Includes: D8N Dozer, 14G Grader & Water Truck <br /> Hrs Req'd Total Equip Cost Total Labor Cost Total Material Cos Total Cost <br />TOTAL COSTS 4,060 $ 1,200,342 $ 125,176 $ $ 1,325,517 <br />Exhibit L <br />Feb 2011