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• Colorado Division of Minerals and Geology <br />ESTIMATING FORM -SEALING BOREHOLES <br />_- Task #: 17b Prep. by: ESC Task Filename :0008-17a <br />Date: 26Jan-01 Permit #:C-81-008 Mine: New Horizon #2 Mine <br />Permit Action: PR OS <br />Task Descdption: Seal Dakota Coal Monitoring Wells <br />UNIT COSTS <br /> Drill Water Flatbed Pickup Dozer <br />Mobile Equipment: Rig Truck Truck Truck (Cat D7H) Last update: <br />Ownership CosUhr= $44.18 $6.63 $6.70 $2.32 $35.68 <br />Operating Cost/hr= $38.55 $7.55 $7.53 $5.47 $31.52 <br />Operator CosUhr= $21.58 $20.84 $20.84 $21.58 $21.58 <br />Assistant Cost/hr= $20.69 $0.00 $0.00 $0.00 $0.00 <br />Total = $125.00 $37.02 $35.07 $29.37 $68.78 <br />Materials 8 Supplies: Description $/unit unit cf/unit <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 /> Oclo Plug $4.35 each NA <br /> Marker $2.00 each NA <br />r1 <br />L_J <br />1991 <br />ITEMIZED TASK BREAKDOWN AND ASSOCIATED COSTS <br />BOREHOLE OR PROJECT ID.: GW-N14 GW-N17P1, GW-N20, GW-n37 <br />Total Number of Holes: 4 No. Plugs/Hole: 1 <br />Av. Depth per Hole (ft.): 74.00 Plug Ht. (K.): 10 <br />Av. Diam. per Hole (in.): 6.00 Type of Casing: PVC <br />Task Item Task Description Quantity <br />Drill Rig Seal/Ptugg Dakota Coal Wells 4.00 <br />Water Truck Water 4.00 <br />Flatbed Truck Haul Materials 4.00 <br />Pickup Truck Haul Crew 4.00 <br />Dozer Grade Pad 4.00 <br />Cement Plug cells 2.62 <br />Bentonite' 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 />Avg. unit volume (ct/It): <br />Tot. cem. plug vol. (cf): 7.65 <br />Remaining fill vol. (cf) 50.27 <br />Unit $/Unit <br />hour $125.00 <br />hour $37.0 <br />hour $35.07 <br />hour $29.37 <br />hour $68.7 <br />sack $9.00 <br />sack $6.00 <br />sack $6.00 <br />ea. $4.35 <br />ea. $2.00 <br />$60.00 <br />0.1963 <br />Cost <br />500.00 <br />$148.08 <br />$14.28 <br />$117.48 <br />$355.12 <br />$23.56 <br />$84.82 <br />$84.82 <br />$17.40 <br />$6.00 <br />$so.oo <br />' Select either bentonite or surgel; not both. <br />TOTAL DIRECT COST : $1,539.57 <br />sheet 1 of 1 <br />