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Last unit cost update: 7/1/2007 Page 3 of 6
<br />STRUCTURE or ITEM DESCRIPTION QUANTITY UNIT CIRCES DEMO. MENU SELECTION UNIT COST TOTAL COST % LIAB. TOTAL
<br /> ft ft ft If in (100%LIAB.) (ACTUAL)
<br />Conveyors
<br />Run-of-mine conveyor 1,100 1,100 LF Conveyor, elevated - B' W x 10'H $45.39 $49,929.00 100% $49,929.00
<br />Transfer conveyor 100 100 LF Conveyor, elevated - 8'W x 10'H $45.39 $4,539.00 100% $4,539.00
<br />Silo-to-silo 150 150 LF Conveyor, elevated - 8'W x 10'H $45.39 $6,808.50 100% $6,808.50
<br />Breaker-to-silo conveyor 800 800 LF Conveyor, elevated - 8' W x 10' H $45.39 $36,312.00 100% $36,312.00
<br />Silo-to-loadout conveyor 500 500 LF Conveyor, elevated - 8'W x 10' H $45.39 $22,695.00 100% $22,695.00
<br />Overhead conveyor 225 225 LF Conveyor, elevated - 8'W x 10' H $45.39 $10,212.75 100% $10,212.75
<br />Reclaim conveyor 555 555 LF Conveyor, elevated - B' W x 10'H $45.39 $25,191.45 100% $25,191.45
<br />Overhead conveyor 225 225 LF Conveyor, elevated - 8'W x 10' H $45.39 $10,212.75 100% $10,212.75
<br />Reclaim conveyor 555 555 LF Conveyor, elevated - 5'W x 6' H $37.83 $20,995.65 100% $20,995.65
<br />Topside discharge structure 15 15 33 7,425 CF Demo/disp./exc. pit- 1OK' haul $0.22 $1,618.65 100% $1,618.65
<br />Dozer trap push wall 4 20 10 800 SF Demo.disp exc. pit, 12" th. - 200 ft. $4.41 $3,528.00 100% $3,528.00
<br />Footings 2 3 80 80 LF Demo/disp./exc. pit, 2'X3-200 ft. $24.08 $1,926.40 100% $1,926.40
<br />Escape tunnel 180 48 180 LF Pipe, RCP - 48 in. diam. $15.48 $2,786.40 100% $2,766.40
<br />Stacking tube 4 106 1 12 11,989 CF Demo/disp./exc. pit - 101' haul - Concr. $0.22 $2,673.55 100% $2,673.55
<br />Footings 2 3 38 38 LF Demo/disp./exc. pit, 2'X3'- 200 ft. $24.08 $915.04 100% $915.04
<br />Overhead conveyor 555 555 LF Conveyor, elevated - B' W x 10'H $45.39 $25,191.45 100% $25,191.45
<br />Reclaim conveyor 555 555 LF Conveyor, overland - 8'W x 10' H $22.70 $12,598.50 100% $12,598.50
<br />Topside discharge structure 15 15 33 7,425 CF Demo/disp./exc. pit- 10K' haul $0.22 $1,618.65 100% $1,618.65
<br />Dozer trap push wall 4 20 10 800 SF Demo.disp exc. pit, 12" th. - 200 ft. $4.41 $3,528.00 100% $3,528.00
<br />Footings 2 3 80 80 LF Demo/disp./exc. pit, 2'X3'-200 ft. $24.08 $1,926.40 100% $1,926.40
<br />Escape tunnel 180 4 180 LF Pipe, RCP - 48 in. diam. $15.48 $2,786.40 100% $2,786.40
<br />Silo #1
<br />Superstructure 145 60 409,995 CF Demo/disp./exc. pit- 10K' haul $0.22 $89,378.91 100% $89,378.91
<br />Topside transfer building 20 20 30 12,000 CF Demo/disp./exc. pit -10K' haul $0.22 $2,616.00 100% $2,616.00
<br />Floor 60 3,100 SF Demo.disp exis. pit, 12" th. - 200 ft. $3.92 $12,152.00 100% $12,152.00
<br />Footings 189 189 LF Demo/disp./exc. pit, 2'X3'- 200 ft. $24.08 $4,551.12 100% $4,551.12
<br />Silo #2
<br />Superstructure 175 80 879,952 CF Demo/disp./exc. pit- 10K' haul $0.22 $191,829.54 100% $191,829.54
<br />Topside transfer building 20 20 30 12,000 CF Demo/disp./exc. pit- 10K' haul $0.22 $2,616.00 100% $2,616.00
<br />Floor 80 5,530 SF Demo.disp exis. pit, 12" th. - 200 ft. $3.92 $21,677.60 100% $21,677.60
<br />Footings 2 3 25 150 LF Demo/disp./exc. pit, 2'X3'- 200 ft. $24.06 $3,612.00 100% $3,612.00
<br />Silo pad wall
<br />Superstructure N/A 70,558 CF Demo/disp./exc. pit- 101' haul $0.22 $15,381.64 100% $15,381.64
<br />Foundation N/A 459 SF Demo.disp exis. pit, 12" th. - 200 ft. $3.92 $1,799.28 100% $1,799.28
<br />Old Portal B Fan
<br />Floor 40 25 12 1,000 CF Demo/disp./exc. pit- 10K' haul $0.22 $218.00 100% $218.00
<br />Footings 2 3 130 130 LF Demo/disp./exc. pit, 2'X3'- 200 ft. $24.08 $3,130.40 100% $3,130.40
<br />Breaker Facility 20 18 40 14,400 14,400 CF Demo/disp./exc. pit- 10K' haul $0.22 $3,139.20 100% $3,139.20
<br />Floor 20 18 12 360 SF Demo.disp exis. pit, 10"th.-200 ft. $3.27 $1,177.20 100% $1,177.20
<br />Footings 2 3 76 76 LF Demo/disp./existing pit, l.5'X3'-200 ft. $17.64 $1,340.64 100% $1,340.64
<br />Explosives Magazine 5 5 4 100 CF Demo/disp./exc. pit - 10K' haul $0.22 $21.80 100% $21.80
<br />Cap Magazine 5 5 4 100 CF Demo/disp./exc. pit - 10K' haul $0.22 $21.80 100% $21.80
<br />Miscellaneous 6" piping (water line) 6,174 6,174 LF Pipe, CMP - 8 in. diam. $1.62 $10,001.88 100% $10,001.88
<br />Steel bin retaining walls
<br />Railroad - Segments 1, 3, and 6 22 370 370 LF Retain. wall, steel bin, demo. only - 12.1' D x $60.00 $22,200.00 100% $22,200.00
<br />Railroad - Segments 2 and 7 18 410 410 LF Retain. wall, steel bin, demo. only - 12.1' D x $50.00 $20,500.00 100% $20,500.00
<br />Railroad - Segments 4 and 5 28 180 180 LF Retain. wall, steel bin, demo. only - 14.3' D x $70.00 $12,600.00 100% $12,600.00
<br />Loadout pond - Segment 1 4 10 10 LF Retain. wall, steel bin, demo. only - 5.5D x 4 $8.32 $83.20 100% $83.20
<br />Loadout pond - Segment 2 8 100 100 LF Retain. wall, steel bin, demo. only - 5.5D x E $16.64 $1,664.00 100% $1,664.00
<br />Substation pad and access road 14 573 573 LF Retain. wall, steel bin, demo. only - 77 D x 1 $24.96 $14,302.08 100% $14,302.08
<br />Water storage tank access road 12 210 210 LF Retain. wall, steel bin, demo. only - 7.7'D x 1 $24.96 $5,241.60 100% $5,241.60
<br />Shop/warehouse pad 12 145 145 LF Retain. wall, steel bin, demo. only- 7.T D x 1 $24.96 $3,619.20 100% $3,619.20
<br />Portal bench and access road cut slope 24 635 635 LF Retain. wall, steel bin, demo. only- 12.1' D x $60.00 $38,100.00 100% $38,100.00
<br />Portal bench and access road fill slope 12 1,289 1,289 LF Retain. wall, steel bin, demo. only - 7.7' D x 1 $24.96 $32,173.44 100% $32,173.44
<br />Original access road fill (Design A) 4 248 248 LF Retain. wall, steel bin, demo. only - 5.5' D x 4 $8.32 $2,063.36 100% $2,063.36
<br />Original access road fill (Design B) 12 2,050 2,050 LF Retain. wall, steel bin, demo. only - 7.T D x 1 $24.96 $51,168.00 100% $51,168.00
<br />Pond MB-1
<br />Control tower 6.7 6.7 22 675 SF Demo.disp exc. pit, 10" th. - 200 ft. $3.68 $2,484.00 100% $2,484.00
<br />Outlet structure 8.1 5.8 10 227 SF Demo.disp exc. pit, 8" th. - 200 ft. $2.94 $667.38 100% $667.38
<br />Catwalk 24 4.7 5 508 CF Demo/disp./exc. pit- 101' haul $0.22 $110.66 100% $110.66
<br />Spillway cut-off wall 60 10.8 10 308 SF Demo.disp exc. pit, 12" th. - 200 ft. $4.41 $1,358.28 100% $1,358.28
<br />Energy dissipator 4.3 54.5 234 SF Demo.disp exc. pit, 8" th. - 200 ft. $2.68 $628.06 100% $628.06
<br />Energy dissipator 8.6 54.5 469 SF Demo.disp exc. pit, 8" th. - 200 ft. $2.68 $1,256.12 100% $1,256.12
<br />Total for this page before location adjustment $822,877.92
<br />Location adjustment: 0.92 Total for this page after location adjustment $759,680.89
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