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Colorado Division of Minerals and Geology <br />ESTIMATING FORK - SEALING BOREHOLES <br />Task p: 195 Prep. by: SLB Task Filename 0007-190 <br />_________ _________ _____________ <br />Dale: 09-Dec-9] Permit p:C-a0-007 Mine: West Elk Mine <br />Permit Action: Minor Revision No. 239 <br />Task Description: Seal add'1 methane relief hole at Vent. Shaft pl <br />UNIT COSTS <br />•----_= Dri11 water Flatbed Pickup Dozer <br />Mobile Equipment: Rig Truck Truck Truck ICac D]H) Last update: 1995 <br />Ovne rsh rp Cost/hr - $44.18 510.23 55. 81 52.39 538.52 <br />Operating Cos[/hr 538.55 $17.12 $]. 9B 55.83 542.93 <br />Operator Cosc/hr - 522.95 521.41 521. 29 521.29 522.95 <br />Assistant Cost/hi - $22.06 50.00 50. 00 50.00 50.00 <br />Total 5127.74 $94.76 575. 07 529.46 5103.90 <br />Materials 4 Supplies: Description S/unit unit cE/unit <br /> Portland Type II Cement 59.00 90p sack 3.00 <br /> Dry Granular Bentonite 56.00 100p sack 7.00 <br /> Surgel Abandonment Fluid 56.00 100p sack 3.00 <br /> Otto Plug 54.35 each NA <br /> Marker 52.00 each NA <br />ITEMIZED TASK BREAImOHN AND ASSOCIATED COSTS <br />BOREHOLE OR PROJECT I.D.: methane relief at Venc Shaft p3 <br />Total Number of Holes: 1 No. Plugs/Hole: 1 Avg. unit volume (cf/lE): 3.1916 <br />Av. Depth per Hole Ift.): 700.00 Plug Ht. If t.l: ] Sot. tem. plug val. (cf): 21 .99 <br />Av. Diam. pet Ho Le (in.): 29.00 Type of Casing: NA Remaining fill vol. (cfl: 920 .49 <br />Task Item Task Oescrlpt ion Quantity Unit 5/Unit Cost <br />Drill Rig N/A hour $12].]9 <br />Hater Truck provide rater 1.50 hour 544.76 $67 .19 <br />Flatbed Ttuck haul euppltea 1.50 hour 5]5.07 552 .55 <br />Pickup Truck <br />Dozer <br />Cement plug 7.33 sack $9.00 565 .97 <br />Bentonite <br />Surgel <br />Otto-plug plug support 1.00 ea. 54.15 59 .75 <br />Ma [ker mark hole 1.00 ea. 52.00 52 .00 <br />Miscellaneous cut casing 1.00 h[ $25.00 525 .00 <br />• Select either bentonite or surge l; not boc h. TOTAL DIRECT COST 5217 .01 <br /> sheet 1 of 1 <br />