2009-05-14_REVISION - C1980007 ‎(4)‎

• Permit No: C1980007
• IBM Index Class Name: REVISION
• Doc Date: 5/14/2009
• Doc Name: Cost Estimate
• Type & Sequence: MR354
• Email Name: TAK
• Media Type: D
• Archive: No

BOREHOLE SEALING WORK
Task e: 54b
mi..: West Elk Mine
Permit no.: C-80-007
Permitting action: MR-354
Date: 5/14/09
Prepared by: TAK
Cwt of bulk cement Water

(assuming 94 Ibs of
Total rig Rig w/ crew 2,500 gal
truck wl Octoplug Cut surface Total cost
Hole Hole Cement cost
Total cement per 1.18 d of Cement
Rig setup time Rig time to time hourly rate Total rig water truck
driver cost (Circes, casing 8 before bond
Total rig time (setup
Hole diam. volume per cwt
depth (ft) hole, that is 100 Ibs total cost
per hole (hr) fill hole (setup + (Circes, Reed cost w/driver
(rig FlII $19.57 mark % Liab. release or
fill), reduced for liab. %
(in) (cf) (CIRCES)
of cement fills 1.25
fill) drill, 9.0") hourly rate
time x per in. (Circes, Increment

cf) (Circes)
truck rate) diam.) $10.9011f) obligation
Geotechnical Holes, approved in MR-354
B-1 8 45 16 12.6 $8.78 $110 0.50 0.50 1.00 $193.22 $193 $60 $30 $157 $23 100% $513 1.00
B-2 8 45 16 12.6 $8.78 $110 0.50 0.50 1.00 $193.22 $193 $60 $30 $157 $23 100% $513 1.00
B-3 8 45 16 12.6 $8.78 $110 0.50 0.50 1.00 $193.22 $193 $60 $30 $157 $23 100% $513 1.00
B-4 8 45 16 12.6 $8.78 $110 0.50 0.50 1.00 $193.22 $193 $60 $30 $157 $23 100% $513 1.00
B-5 8 45 16 12.6 $8.78 $110 0.50 0.50 1.00 $193.22 $193 $60 $30 $157 $23 100% $513 1.00
B-6 8 45 16 12.6 $8.78 $110 0.50 0.50 1.00 $193.22 $193 $60 $30 $157 $23 100% $513 1.00
B-7 8 45 16 12.6 $8.78 $110 0.5 0.50 1.00 $193.22 $193 $60 $30 $157 $23 100% $513 1.00
B-8 8 45 16 12.6 $8.78 $110 0.5 0.50 1.00 $193.22 $193 $60 $30 $157 $23 100% $513 1.00
B-9 8 30 10 8.4 $8.78 $74 0.5 0.50 1.00 $193.22 $193 $60 $30 $157 $23 100% $476 1.00
B-10 8 30 10 8.4 $8.78 $74 0.5 0.50 1.00 $193.22 $193 $60 $30 $157 $23 100% $476 1.00
Subtotal - this page
Grand Total $5,056 10.00 rig hours
/ 2 rigs
5.00 project ours