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Permit Amend-O Climax Mina 0 •
<br />CLIMAX MINE RECLAMATION COST ESTIMATE
<br />Financial Reporting Unit Rates
<br />McNulty Waste Rock Dump
<br />Assumptions:
<br />Tasks: As defined in the Calculation Section. Calculations that support the quantities and productivities follow the tables.
<br />Timing:
<br />2011+
<br />Total Cost:
<br />$4,723,541
<br />Calculations
<br /> Cosvu
<br />Task/Area # of Initial swell
<br />City Units Cost/Unit
<br />Production Units H. Full
<br />Total Equip Cost Cost/Unit Total Labor nit Total Material
<br />Total Cost
<br /> Equip Volume .
<br />Factor Equip Labor Cost Materia Cost
<br /> Is
<br />(4) Cleanng and Grubbing at Projected Dump Toe 16.1 acres (areas measured from Steffens Map 05) $ 3,500 $56,350 $ 56,350
<br />(5) Grading and Re-contounng
<br />What is the total volume of material to be recontoured? 2,600,000 1,485,000 cy (Steffens prepared a model (Nov 2005) of the d ump in autoced and recalculated volumes based on 3:1 grading. Volume
<br /> = 2,600,000 cy)
<br />What is the weighted average push distance? 400 it This number has been revised to reflect the efforts in 2006 and 2007 using two D-1 0's to partially grade the dump to slopes approaching
<br /> 3H to 1V.
<br />What percentage of material will be dozer-pushed (D70's)? 1 85 %
<br />Calculated quantity of dozer-pushed (D-10's) material = 1 1,262,250 cy 249 cy/hr 5,069 $ 296.50 $1,503,032 $33.81 $171,368.00 $ 1,674,400
<br />What is amount of waste rock to be loaded (350 Exc)? 1 222,750 cy (Depends on No. of Trucks) 782 $ 219.25 $171,484 $30.21 $23,627.62 $ 195,111
<br />What is a conservative haul distance one way? 5,200 ft
<br />W hat is amount of waste rock to be hauled (730's)? 4 222,750 cy 71.2 cy/hr 3,129 $ 127.54 $399,000 $30.02 $93,915.71 $ 492,916
<br />Estimated hours for 06 Dozer to support excavator- 1 30.00% % of time 235 $ 103.24 $24,224 $33.81 $7,932.00 $ 32,156
<br />Estimated hours for Water Truck to support hauling effort= 1 25.00% % of time 196 $ 69.43 $13,575 $30.02 $5,869.73 $ 19,445
<br />Estimated hours for 12G Grader to support hauling effort= 1 25.00% % of time 196 $ 62.83 $12,286 $32.37 $6,329.99 $ 18,616
<br />Estimated Cat 972 Loader to support loading effort= 1 25.00% % of time 196 $ 128.04 $25,035 $30.40 $5,945.07 $ 30,980
<br />Estimated hours for D6 Dozer to spread rock in fill area= 1 50.00% % of time 391 $ 103.24 $40,374 $33.81 $13,220.00 $ 53,594
<br />(6) Contour diversion ditch (4 terraces) construction 8,000 ft 100 ft/hr 80 $ 157.20 $12,576 $ 12,576
<br />(7) Downdrain Construction Distance (ft) cy/ft cost/c
<br />Y
<br />2 Channels Lined w/Limestone 2,000 0.37 740 cu yds required $ 35 $25,900 $ 25,900
<br />(11) Haultplace topsoil from McNulty stockpiles on 192 ac'
<br />What is amount of topsoil to be loaded (350 Exc)? 1 164,880 cy (Depends on No. of Trucks) 904 $ 219.25 $198,235 $30.21 $27,313.68 $ 225,550
<br />What is wtd avg haul distance one way from TS Pile? 7,400 ft
<br />What is amount of topsoil to be hauled (730's)? 1 154,880 cy 57.1 cy/hr 2,712 $ 127.54 $345,935 $30.02 $81,425.38 $ 427,360
<br />Estimated hours for D6 Dozer to support excevator- 1 30.00% % of time 271 $ 103.24 $28,003 $33.81 $9,169.44 $ 37,173
<br />Estimated hours for Water Truck to support hauling effort= 1 50.00% %of time 452 $ 69.43 $31,385 $30.02 $13,570.90 $ 44,956
<br />Estimated hours for 12G Grader to support hauling effort= 1 25.00% %of time 226 $ 62.83 $14,202 $32.37 $7,317.51 $ 21,520
<br />Estimated Cat 972 Loader to support loading effort= 1 25.00% % of time 226 $ 128.04 $28,941 $30.40 $6,872.54 $ 35,814
<br />Estimated hours for D6 Dozer to spread topsoil= 1 100.00% % of time 904 $ 103.24 $93,345 $33.81 $30,564.81 $ 123,910
<br />(12) Haul/place biosolids from Robinson Piles on 192 ac'
<br />What is amount of biosolids to be loaded (350 Exc)? 1 154,880 cy (Depends on No. of Trucks) 1,356 $ 219.25 $297,354 $30.21 $40,970.53 $ 338,325
<br />What is the haul distance one way from Biosolids Pile? 16,000 ft
<br />What is amount of Biosolids to be hauled (730's)? 1 154,880 cy 57.1 cy/hr 2,712 $ 127.54 $345,935 $30.02 $81,425.38 $ 427,360
<br />Estimated hours for D6 Dozer to support excavator- 1 30.00% % of time 407 $ 103.24 $42,005 $33.81 $13,754.16 $ 55,759
<br />Estimated hours for Water Truck to support hauling effort= 1 50.00% % of time 678 $ 69.43 $47,078 $30.02 $20,356.34 $ 67,434
<br />Estimated hours for 12G Grader to support hauling effort= 1 25.00% % of time 339 $ 62.83 $21,303 $32.37 $10,976.26 $ 32,280
<br />Estimated Cat 972 Loader to support loading effort= 1 25.00% % of time 339 $ 128.04 $43,411 $30.40 $10,308.81 $ 53,720
<br />Estimated hours for D6 Dozer to spread biosolids= 1 100.00% % of time 1,356 $ 103.24 $140,017 $33.81 $45,847.21 $ 185,864
<br />'Only enough soil exists in McNulty TS Piles to cover the lower 2/3 of the dump; th e remainder of the growth media will consist of biosolids from the storage area at Robinson TP
<br />(13) Excavate for Toe Drain Trench 500 cy See Cameron's 2002 report for details $ 3.00 $1,500 $ 1,500
<br />(14) Drain Rock for Toe Drain 267 cy See Cameron's 2002 report for details $ 26.00 $6,942 $ 6,942
<br />(15) Perforated Pipe for Toe Drain 445 lin ft See Cameron's 2002 report for details $ 9.00 $4,005 $ 4,005
<br />(16) Separation geotextile for Toe Drain 900 sq yd See Cameron's 2002 report for details $ 2.25 $2,025 $ 2,025
<br />(17) Toe Drain Collection Sump and Piping 1 each See Cameron's 2002 report for details $ 10,000 $10,000 $ 10,000
<br />(18) Temporary Culverts 1 each See Cameron's 2002 report for details $ 10,000 $10,000 $ 10,000
<br />Subtotal Cost $ 3,969,560 $ 728,081 $ 25,900 S 4,723,541
<br /> H. Req'd Total Equip Cost Total La1xx Cost Total Material Cc Total Cost
<br />TOTAL COSTS- 23,156 $ 3.969.560 S 728.081 % S <25 qpa S 4.723.5d1-
<br />Exhibit L Feb 2011
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