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Colorado Division of Minerals and Geology <br /> ESTIMATING FORM - SEALING BOREHOLES <br /> AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA <br /> Task #: 153 Prep, by: SLB Task Filename : C017-153 <br /> Date: 20-Mar-95 Permit #:C-81-017 Mine: Coal Basin Mines <br /> Permit Action: N/A <br /> Task Description: Seat and Plug Piezometers <br /> UNIT COSTS <br /> Drill Water Flatbed Pickup Dozer <br /> Mobile Equipment: Rig Truck Truck Truck (Cat D7H) Last update: 1991 <br /> Ownership Cost/hr = 544.18 $8.63 $6.70 $2.32 $35.68 <br /> Operating Cost/hr = $38.55 $7.55 $7.53 $5.47 $31.52 <br /> Operator Cost/hr = $21.58 $20.84 $20.84 $21.58 $21.58 <br /> Assistant Cost/hr = $20.69 $0.00 $0.00 50.00 50.00 <br /> ----------------------------------------------------------------------------------------------------- <br /> Total = $125.00 $37.02 $35.07 $29.37 $88.78 <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 /> Octo Plug $4.35 each NA <br /> Marker 52.00 each NA <br /> ------------------------------------------------------------------------------ <br /> ITEMIZED TASK BREAKDOWN AND ASSOCIATED COSTS <br /> -------------------------------------------- <br /> -------------------------------------------- <br /> BOREHOLE OR PROJECT I.D.: P-1, P-2, P-3, P-5, P-6, P-7, P-8 <br /> Total Number of Holes: 7 No. Plugs/Hole: 1 Avg. unit volume (cf/lf): 0.0873 <br /> Av. Depth per Note (ft.): 75.00 Plug Ht. (ft.): 7 Tot. cem. plug vol. (cf): 4.28 <br /> Av. Diam. per Hole (in.): 4.00 Type of Casing: PVC Remaining fill vol. (cf): 41.54 <br /> Task Item Task Description Cuantity Unit S/Unit Cost <br /> Drill Rig Seal Holes with Bentonite 8.00 hour $125.00 $1,000.00 <br /> Water Truck Used with Bentonite and Cement 8.00 hour $37.02 $296.16 <br /> Flatbed Truck Haul Materials 8.00 hour $35.07 $280.56 <br /> Pickup Truck Haul Crew 8.00 hour $29.37 $234.96 <br /> Dozer Reclaim Small Pds 8.00 hour $88.78 $710.24 <br /> Cement Plug Holes 1.43 sack $9.00 $12.83 <br /> Bentonite * Seal Holes 12.42 sack $6.00 $74.53 <br /> Surgel * <br /> Octo-plug Plug 7.00 ea. 54.35 $30.45 <br /> Marker Mark Holes 7.00 ea. $2.00 $14.00 <br /> Miscellaneous <br /> * Select either bentonite or surgel; not both. TOTAL DIRECT COST : $2,653.72 <br /> sheet 1 of 1 <br />