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Estimate of Costs of Borehole Sealing Work (associated road and pad acreages are noted)
<br />
<br />Task #: 21N
<br />Mine: West Elk Mine Permit
<br />no.: c-1980-007 Permitting
<br />action: TR-121
<br />Date:
<br />7/6/10
<br />Prepared by: TK
<br /> Cwt of bulk cement Rig
<br />2,500 gal Water
<br />Octoplug Cut surface
<br /> (assuming 941bs of setup Total rig Rig wl crew truck wl Total rig
<br />Hole
<br />Hole I.D. (old Total Hole Cement cost
<br />cement per 1.18 cf of
<br />Cement time Rig time to water truck
<br />time hourly rate Total
<br />driver cost (Circes, casing &
<br />time Road Pad
<br />diam.
<br />I.D.) depth volume per cwt
<br />hole, that is 100 Ibs
<br />total cost per fill hole w/driver
<br />(setup + (Circes, Reed rig cost
<br />(rig till $19.57 mark Total cost
<br />(setup + acres acres
<br />(in) (ft) ( of cement fills 1.25 (CIRCES) hole fill) drill, 9.0hourly rate SAM x per in. (Circes, fill)
<br /> (Circes) diam.) $10.90/If)
<br /> cf) (hr) truck rate)
<br />MDWs drilled in 2009 (previously approved in PR-14)
<br />E2-54 (56) 9 1200 530 424.0 $8 .78 $3,723 1.50 5.30 6.80 $193.22 $1,314 $60 5318 $176 $26 $5,557 6.80 0.00 1.07
<br />E-2-52 (55) 9 1195 528 422.3 $8 .78 $3,708 1.50 5.28 6.78 $193.22 $1,310 $60 5317 $176 $26 $5,536 6.78 0.00 0
<br />E2-51 (54) 9 1190 526 420.5 $8 .78 $3,692 1.50 5.26 6.76 $193.22 $1,305 $60 55315 $176 $26 $5,515 6.76 0.00 0
<br />E2-47.5 (50) 9 1155 510 408.1 $8 .78 $3,583 1.50 5.10 6.60 $193.22 $1,276 $60 3306 $176 $26 $5,367 6.60 0.07 1.08
<br />E2-44.5 (46.5) 9 1140 504 402.8 $8 .78 $3,537 1.50 5.04 6.54 $193.22 $1,263 $60 :5302 $176 $26 $5,304 6.54 0.00 0
<br />E2-42 (43) 9 1155 510 408.1 $8 .78 $3,583 1.50 5.10 6.60 $193.22 $1,276 $60 5306 $176 $26 $5,367 6.60 0.00 0.43
<br />E2-38 (39) 9 1100 504 402.8 $8 .78 $3,537 1.50 5.04 6.54 $193.22 $1,263 $60 5302 $176 $26 $5,304 6.54 0.18 0.77
<br />E2-34 (35) 9 880 510 408.1 $8 .78 $3,583 1.50 5.10 6.60 $193.22 $1,276 $60 5306 $176 $26 $5,367 6.60 0.93 0.63
<br />E2-30.5 (31.5) 9 860 486 388.7 $8 .78 $3,413 1.50 4.86 6.36 $193.22 $1,229 $60 5292 $176 $26 $5,135 6.36 0.54 0.62
<br />E2-26.5 (28) 9 755 389 311.0 $8 .78 $2,730 1.50 3.89 5.39 $193.22 $1,041 $60 5233 $176 $26 $4,206 5.39 0.69 0.63
<br />E2-23 (24) 9 705 380 303.9 $8 .78 $2,668 1.5 3.80 5.30 $193.22 $1,024 $60 $228 $176 $26 $4,122 5.30 0.18 0.67
<br />E2-19 (20) 9 675 333 266.8 $8 .78 $2,342 1.5 3.33 4.83 $193.22 $934 $60 5200 $176 $26 $3,678 4.83 0.51 0.59
<br />MDWs planned for drilling in 2010 (previously approved in PR-14)
<br />E2-15.5 (16.5) 9 570 252 201.4 $8.78 $1,768 1.5 2.52 4.02 $193.22 $776 $60 5151 $176 $26 $2,898 4.02 0.00 0.5
<br />E2-11.5 (13) 9 570 252 201.4 $8.78 $1,768 1.5 2.52 4.02 $193.22 $776 $60 5151 $176 $26 $2,898 4.02 0.00 0.5
<br />E2-8 (9) 9 550 243 194.3 $8.78 $1,706 1.5 2.43 3.93 $193.22 $759 $60 5146 $176 $26 $2,813 3.93 0.76 1.00
<br />E3-72 9 1,050 464 371.0 $8.78 $3,258 1.5 4.64 6.14 $193.22 $1,186 $60 5278 $176 $26 $4,924 6.14 1.68 1.00
<br />E3-71 9 1,045 462 369.3 $8.78 $3,242 1.5 4.62 6.12 $193.22 $1,182 $60 5277 $176 $26 $4,903 6.12 0.00 0.50
<br /> 9
<br />E4-83 9 1,200 530 424.0 $8.78 $3,723 1.5 5.30 6.80 $193.22 $1,314 $60 5318 $176 $26 $5,557 6.80 0.00 0.50
<br />E4-82 (81.5) 9 1,200 530 424.0 $8.78 $3,723 1.5 5.30 6.80 $193.22 $1,314 $60 5318 $176 $26 $5,557 6.80 0.00 0.50
<br />E4-81 (81.5) 9 1,200 530 424.0 $8.78 $3,723 1.5 5.30 6.80 $193.22 $1,314 $60 3318 $176 $26 $5,557 6.80 0.00 0.50
<br />E4-76 9 1,200 530 424.0 $8.78 $3,723 1.5 5.30 6.80 $193.22 $1,314 $60 3318 $176 $26 $5,557 6.80 0.00 0.50
<br /> Total increments now due as a result of work planned in TR-121 $101,118 126.51 5.54 11.99
<br />MDWs previously approved in PR-14 that TR-121 eliminated from drilling plan
<br />E1-23 9 894 395 315.9 $8.78 $2,774 1.50 3.95 5.45 $193.22 $1,053 $60 5237 $176 $26 $4,265 5.45 0.25 0.50
<br />E2-5 9 570 252 201.4 $8.78 $1,768 1.50 2.52 4.02 $193.22 $776 $60 5151 $176 $26 $2,898 4.02 0.25 0.50
<br /> Total increments to be eliminated from incremental bond not yet due as a result 3f elimination from drilling plan $7,163 9.47 0.50 1.00
<br /> Net total of incremental amounts now due as a result of work planned in TR-121 $93,955 117.04 5.04 10.99
<br /> / 2 rigs
<br /> -5$. project hours
<br />New MDWs proposed in TR-121 for drilling in 2010 (not approved before TR-121)
<br />E3-78 9 1,200 530 424.0 $8.78 $3,723 1.50 5.30 6.80 $193.22 $1,314 $60 $318 $176 $26 $5,557 6.80 0.00 0.50
<br />E3-76 9 1,200 530 424.0 $8.78 $3,723 1.50 5.30 6.80 $193.22 $1,314 $60 $318 $176 $26 $5,557 6.80 0.00 0.50
<br />E3-75 9 1,200 530 424.0 $8.78 $3,723 1.50 5.30 6.80 $193.22 $1,314 $60 $318 $176 $26 $5.557 6.80 0.00 0.50
<br /> Total for new MDWs proposed in TR-12 `, not approved before TR-121 $16,671 20.40 1.50
<br /> / 2 rigs
<br /> -project hours
<br />New access roads proposed in TR-121 for construction in 2010 (not approved before TR-121)
<br />E4-81, 82, 83 (1,320 ft of new road) 0.95
<br />E3-71, 75, 76 (4,220 ft of reactivated decommissioned road) 2.91
<br />3.86 acres
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