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perrnit wcendrr*l - Cii- Mica 9
<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 30" over 25% of (wet) cover area to 12" over 75% of (dry) cover area. Swell Factor = 1.215 from 2000 Cost Estimate
<br />(3) Revegetation is covered elsewhere
<br />Tasks:
<br />Haul and spread cap material to Tenmilei
<br />(1) Place geogrid on wet cover area = (167-67)ac. = 100 acres. Assumes long-term pond area - equivalent to Tenmile Pond reduction (234->98 ac).
<br />(2) Hauling and placement of 6" biosolids/topsoil over 6" subsoil over 24" local tap material (channel spoils, etc.) for "wet" cover (100 ac).
<br />OR (3) Hauling and placement of 6" biosolids/topsoil over 6" subsoil for "dry" cover (100 ac estimate).
<br />Timing
<br />2011+
<br />Total Cost
<br />$3,075,787
<br />Calculations
<br />- Task/Area .. # of Initial
<br />
<br />Equip Volume Swell
<br />
<br />Factor
<br />Qty Units '
<br />Production
<br />Units
<br />Hrs Req'd.
<br />Cost(Unit Equip Total Equip Cost Cost/Unit
<br />
<br />Labor Total Labor Cost(Unit' Total Material
<br />
<br />Cost Materials Cost
<br />Total Cost ..
<br />WET COVER CONSTRUCTION:
<br />Geogrid Placement on Soft Tailing (100 ac) 484,000 sq yds $ 1.87 $902,807 $902,807
<br />Haul and Place 6" topsoillbiosolids over 6" subsoil over 24" local cap materia l (100 ac)
<br />CAT 7778 Haul Truck 4 484,000 1.000 484,000 (cy) 193.94 (cy/hr) 2,496 $371.23 $926,436.28 $30.02 $74,916.68 $1,001,353
<br />CAT 992C Loader 1 Trucks Per Loader 4 624 $513.20 $320,186.53 $30.40 $18,969.55 $339,156
<br />D8N Dozer 1 624 $179.86 $112,215.43 $33.81 $21,09112 $133,307
<br />14G Grader 1 624 $118.09 $73,677.28 $32.37 $20,197.76 $93,875
<br />Water Truck 1 624 $69.43 $43,314.56 $30.02 $18,729.17 $62,044
<br />Support Equipment Includes: D8N Dozer, 14G Grader & Water Truck
<br />DRY COVER CONSTRUCTION:
<br />Haul and Place 6" topsoil/biosolids over 6" subsoil (100 ac)
<br />CAT 7776 Haul Truck 4 161,333 1.000 161,333 (cy) 193.94 (cy/hr) 832 $371.23 $308,812.09 $30.02 $24,972.23 $333,784
<br />CAT 992C Loader 1 Trucks Per Loader 4 208 $513.20 $106,728.84 $30.40 $6,323.18 $113,052
<br />D8N Dozer 1 208 $179.86 $37,405.14 $33.81 $7,030.41 $44,436
<br />14G Grader 1 208 $118.09 $24,559.09 $32.37 $6,732.59 $31,292
<br />Water Truck 1 208 $69.43 $14,438.19 $30.02 $6,243.06 $20,681
<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 6,655 $ 1,967,773. $ 205,206 - $ 902,807 $' 3,075,787
<br />EAlibit L
<br />Feb 2011
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