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Colorado Division of Minerals and Geology <br />• <br />ESTIMATING FORM -SEALING BOREHOLES <br />Task #: 17b Prep. by: ESC Task Filename :0008-17a <br />Date: 26-Jan-01 Permit #:C-81-008 Mine: New Horizon #2 Mine <br />Permit Action: PR 05 <br />Task Description: Seal Dakota Coal Monitoring Wells <br />UNIT COSTS <br />Drill Water Flatbed Pickup Dozer <br />Mobile Equipment: Rig Truck Trucc Truck (Cat D7H) Last update: <br />Ownership CosUhr= $44.16 $8.63 $6.70 $2.32 $35,68 <br />Operating CosUhr = $38.55 $7.55 $7.53 $5.47 $31.52 <br />Operator CosVhr = $21.56 $20.64 $20.84 $21.58 $21.58 <br />Assistant COSUhr= $20.69 $0.00 $D.00 $D.00 $0.00 <br />Total = $125.00 $37.02 $35.07 $29.37 $88.78 <br />Materials & Supplies: Description $/unit unit cf/und <br />Portland Type II Cement $9.00 90# sack 3.00 <br />Dry Granular Bentonite $6.00 100# sack 3.00 <br />Surgel Abandonment Fluid $6.00 100# sack 3.00 <br />Octo Plug $4.35 each NA <br />• <br />Marker $2.00 each NA <br />ITEMIZED TASK BREAKDOWN AND ASSOCIATED COSTS <br />BOREHOLE OR PROJECT ID.: GW-N74 GW-N77P1, GW-N20, GW-n37 <br />Total Number of Holes: 4 No. PlugsMole: 1 <br />Av. Depth per Hole (ft.): 74.00 Plug Hl. (R.): 10 <br />Av. Diam. per Hole (in.): 6.00 Type of Casing: PVC <br />Task Item Task Description Quantity <br />Drill Rig SeaVPlugg Dakota Coal Wells 4.00 <br />Water Truck Water 4.00 <br />Flatbetl Truck Haul Materials 4.00 <br />Pickup Truck Hau! Crew 4.00 <br />Dozer Grade Pad 4.00 <br />Cement Plug cells 2.62 <br />Bentonife' Seal Wells 14.14 <br />Surgel' 14.14 <br />Octo-plug Plug 4.00 <br />Marker Hark Well Locations 4.00 <br />Miscellaneous Cut Casing 1.00 hour <br />• ` Seleet eaher bentonhe or Surgel; not both. <br />sheet 1 of 1 <br />Avg. unit volume (cf/If):0.1963 <br />Tot. cem. plug vol. (cf): 7.85 <br />Remaining fill vol. (cf) 50.27 <br />1991 <br />Unit $/Unil Cost <br />hour $125.00 500.00 <br />hour $37.0 $148.08 <br />hour $35.07 $14.28 <br />hour $29.37 5717.48 <br />hour $88.7 $355.12 <br />sack $9.00 $23.56 <br />sack $6.00 $84.82 <br />sack $6.OD $84.82 <br />ea. $4.35 $17.40 <br />ea. $2.00 $8.00 <br /> $60.00 $60.00 <br />TOTAL DIRECT COST: $1,539.57 <br />F:\ENGIOATA\wP\2000PERMfT-APPROVED\TASK-ALI.PDF <br />