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Permit Amen*06) - Climax Mine <br />CLIMAX MINE RECLAMATION COST ESTIMATE <br />Financial Reporting Unit Rates <br />Tenmile Sludge Cell <br />Assumptions: <br />(1) Sludge will fill to within one to two feet of the top of the existing berms. <br />(2) Sludge is alkaline material that will not require liming to bring pH into the range of pH 6-9. <br />(3) The sludge will be allowed to "dry-out" such that it will be traversible with normal construction equipment. <br />(4) Revegetation is covered elsewhere. <br />Tasks: <br />(1) Grade out the perimeter of the berms from 2H to 1V slopes to final slopes = 3H to 1V using dozer. <br />(2) Haul in growth media (biosolids) to cover graded sludge using Cat 972 Loader and Cat 730 truck fleet. <br />(3) Speed growth media (biosolids) with LGP D6 dozer. <br />Timing <br />2011+ <br />Total Cost <br />$127,701 <br />Calculations <br />• <br />- . # of - Initial Swell Cost/Unit Total Equip Cost/Unit CostfUnit Total . <br />Task/Area oty Units Production Units Hrs Req'd Total Labor Cost Material Total Cost <br /> Equip Volume Factor Equip Cost Labor Materials Cost <br />Grading perimeter of sludge cell to 3H:1 V slope <br />D7 Dozer 1 9,000 cy 448 cy/hr 20.09 $138.24 $2,777.08 $33.81 $679.12 $3,456.20 <br />Load, haul and spread biosolids on graded sludge cell <br />Cat 972 Loader 1 26,614 cy (Depends on Trucks) 134.41 $128.04 $17,209.97 $30.40 $4,086.81 $21,296.78 <br />Cat 730 Trucks (4) 4 26,614 cy 49.50 cy/hr 537.66 $127.54 $68,570.95 $30.02 $16,140.07 $84,711.02 <br />D6 Dozer _ 1 26,614 cy 200 cy/hr 133.07 $103.24 $13,738.28 $33.81 $4,498.46 $18,236.74 <br /> ' Hrs Req'd -Total Equip Cost Total Labor Cost Total Material C Total Cost'. <br />TOTAL COSTS 825 $ 102296 $ 25,404 $ - . $ 127,701 <br />Exhibit L Feb 2011