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Aspect Reclamation Operation Quantity Units Unit Cost($) Cost($)
<br /> Active Mining Area
<br /> 1 Replace topsoil on prepared area ahead of 930 CY $1.05 $977
<br /> mining 500'x 100'x 0.5'
<br /> 2 Backfill active mining face and side slopes 33,350 CY $3.5 $116,725
<br /> to 3H:1 V 1,500 feet
<br /> A 3 Rough grade all areas in Aspect A 3,610 CY $0.50 $1,805
<br /> (65'x 1,500'x F)
<br /> 4 Replace topsoil on backfilled mining cell 1,810 CY $1.05 $1,901
<br /> area 65'x 1,500'x 0.5'
<br /> 5 Final grade all areas in Aspect A 2,730 CY $0.50 $1,365
<br /> (65'x 1,500'x 0.5')+(500'x 100'x 05)
<br /> Slurry Wall
<br /> 1 Slurry Wall(11,500'x 25') 287,500 SgFt $5.50 $1,581,250
<br /> 2 Cell dewatering(assume three months) 3 /month $15,000 $45,000
<br /> B Replace topsoil on backfilled mining cell
<br /> 3 areas(96 acres x 0.5') 77,440 CY $1.05 $81,312
<br /> 4 Final grade all areas in Aspect B 77,440 CY $0.50 $38,720
<br /> 96 acres x 0.5'
<br /> Miscellaneous Disturbed Areas
<br /> 1 Replace topsoil on internal haul roads and 2,420 CY $1.05 $2,541
<br /> main site entrance(3 acres x 05)
<br /> 2 Replace topsoil on scale house and staging 4,030 CY $1.05 $4,232
<br /> area 5 acres x 0.5')
<br /> 3 Replace topsoil on stockpile area 4,440 CY $1.05 $4,662
<br /> (5.5 acres x 0.5')
<br /> C 4 Backfill sediment pond area 61,000 CY $3.5 $213,500
<br /> (1.9 acres x 20')
<br /> 5 Replace topsoil on sediment pond area 1,550 CY $1.05 $1,628
<br /> 1.9 acres x 0.5'
<br /> 6 Scarify areas in Aspect C1 and C2 8 Acre $500 $4,000
<br /> L (7 Final grade all area in Aspect C 12,430 CY $0.50 $6,215
<br /> 15.4 acres x 0.5'
<br /> Final Reclamation
<br /> Disturbed 1 Seed all areas in Aspects A,B, and C 114.9 Ac $675 $77,558
<br /> Acreage 2 Re-seed 20%of all areas in 23.0 Ac $675 $15,525
<br /> Aspects A,B,and C
<br /> Total Reclamation Costs $2,198,916
<br /> Contractor Mobilization/Demobilization Costs(8%) 0.08 $175,913
<br /> Overhead(18.5%) 0.185 $406,800
<br /> Administration(5%) 0.05 $109,946
<br /> Total Proposed Financial Warrenty $2,891,575
<br /> Disturbed Acreage 114.9
<br /> Financial Warranty per Acre $25,166
<br /> Irwin/Thomas Mine
<br /> DRMS 112 Permit Application Adequacy Response Page 34
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