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Pemtit Amendment (AW05) - Csmea Mn, CM0000687
<br />CLIMAX MINE RECLAMATION COST ESTIMATE
<br />Financial Reporting Unit Rates
<br />• East Side Channel Construction
<br />Across Tenmile and Mayflower TSFs
<br />Assumptions:
<br />(1) Construction of the East Side Channel will be done in a manner similar to the completed portions that were done on Robinson TSF in 2005.
<br />(2) Knowing the costs for Robinson's East Side Channel, it can be assumed these numbers are applicable to Tenmile and Mayflower.
<br />(3) Preliminary sizing provided by Wheeler Feb-2010; spilhNays for Tenmile and Mayflower will be equivalent to Robinson's 2005 ESC.
<br />Tasks:
<br />(1) Construct Channel Extensions through Camp, Robinson, Tenmile, and Mayflower.
<br />(2) Construct Pipeline Extensions through Camp, Robinson, Tenmile, and Maynower.
<br />Timing
<br />End of Mine Life
<br />Total Cost
<br />$11,967,396
<br /> Calculations
<br />
<br />TaaA/Area
<br />Oty Jnits cotw?;t
<br />T-1 Equip Costa ow??t c _vwt
<br />Tool Labor Cost
<br />C
<br />TOhI 'Aatc nal Cosl Tool Cost'.
<br /> Eq p Labor 11 Se rids
<br /> East Side Channel
<br /> Construct Channel Extensions 29,300 ft $63.45 $1,394,218 $464,739 $1,858,958
<br /> Geotextiles (furnish & install) 153,889 sq yd $2.08 $159,969 $159,989 $319,979
<br /> Rip Rap Armoring along Channel Route 82,737 cy $30.75 $2,544,082 $2,544,082
<br /> East Side Pipeline
<br /> HnpP 42da" oio. and b.ddino Runtish R In i ta111 40 900 R 5177.12 61.811.094 61.811.094 $3.622.189 $7.244.378
<br /> T el cc-: 7 ,1 _ T c:a ,- C-r T I I -t
<br />.:
<br /> TOTAL COSTS - 53,205,313 - - $2,435,823 $6,326,261 - 511,967,396
<br /> Climax Mine Permit Amendment AWI.06 By Whaler, 224110
<br /> Reclamation Construction Quantities
<br /> East Side Channel °n ??a Tenmse timdon E-6 np Torn unm
<br /> Channel Length: 4,500 5,200 11,000 8,600 29,300 ft
<br /> Bottom Width: 6.0 6.0 10.0 16.0 R
<br /> Channel Depth: 6.0 6.0 6.0 6.0 ft
<br /> Side Slope: 2.0 2.0 2.0 2.0 (H)A(V)
<br /> Cross-Sertion Area: 108.00 108.00 132.00 168.00 sq ft
<br /> Wetted Perimeter, 32.83 32.83 36.83 42.83 ft
<br /> Top Width: 30.00 30.00 34.00 40.00 R
<br /> Channel Volume: 18,000 20,800 53,778 53,511 146,089 en yda
<br /> Channel Excavation: 18,000 20.800 53,778 53,511 146,089 ou yds
<br /> Riprnp Si.: 6.0 6.0 12.0 18.0 is
<br /> Riprep Thiclmesa: 1.110 1.00 2.00 3.00 ft
<br />'.. Riprap Vohime: 5,472 6,323 30,012 40,929 82,737 en yds
<br /> Geotaxtile Length: 42.83 42.83 46.83 52.83 ft
<br /> Geotastik Ares: 21,416 24,748 57,240 50,485 153,889 sq yds
<br /> Road Width: 20.0 20.0 20.0 20.0 it
<br /> Road Surface Area: 90,000 104,000 220,000 172,000 586,000 sq ft
<br />,.. Surfacing Depth: 9.0 9.0 9.0 9.0 is
<br /> Surfacing Volume: 2,500 2,889 6,111 4.778 16,278 ou yd,
<br /> Camp Extenstion - Camp (near TDH) to Hwy 91 crossing
<br /> Robinson Extension a Hwy 91 crossing to Robinson spillway structure
<br /> Termite Extension - outa8 63" HDPE at 2 Data to Clinton Gulch
<br /> Mayflewer Extenson - Clinton Gulch to Mayflower Creek
<br /> East Side Pipeline
<br /> Pipe Length: 4,900 8,100 7,900 20,000 40,900 ft
<br /> Pipe Si.: 42 42 42 48 is
<br /> Material: IDPE SDR 1HDPE SDR 17 HDPE SDR 17 HDPE SDR 17 PE4710
<br /> Pipe Weight: 135.372 135.372 135.372 176.812 ibs/h
<br /> Pipe Weight: 663,323 1,096,513 1,069,439 3,536,240 6,365,515 Ibs
<br /> Pipe OD Area: 9.62 9.62 9.62 12.57 sq ft
<br /> Trench Side Space: 1.50 1.50 1.50 1.50 ft
<br /> Bedding Base: 0.50 0.50 0.50 0.50 ft
<br /> Bedding Cover: 0.50 0.50 0.50 050 ft
<br /> Soil Cover: 2.00 2.00 2.00 2.00 R
<br /> Trench Width: 6.50 6.50 6.50 7.00 R
<br /> Trench Depth: 6.50 6.50 6.50 7.00 R
<br /> T-.h Arm: 42.25 42.25 42.25 49.00 sq ft
<br />.
<br /> Trench Volume: 7.668 12,675 12,362 36,296 69,001 cu yd,
<br /> Bedding Arm: 19.63 19.63 19.63 22.43 sq ft
<br /> Bedding Volume: 3,562 5,889 5,743 16,618 31,812 en yds
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