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Colorado Division of Minerals and Geology <br /> ----------------------------------------- <br /> ESTIMATING FORM - SEALING BOREHOLES <br /> Task #: 4 Prep. by: ACS Task Filename : M051-4 <br /> --------- --------- ------------- <br /> Date: 30-Jun-99 Permit #:M-99-051 Mine: Rock School Lease Project <br /> --------- --------- ----------------'---------------------------------- <br /> Permit Action: New application <br /> ------------------------------------------------------------------------------ <br /> Task Description: Plug deep water well <br /> ------------------------------------------------------------------------------ <br /> UNIT COSTS <br /> Drill Water Flatbed Pickup Dozer <br /> Mobile Equipment: Rig Truck Truck Truck (Cat D7H) Last update:1997 (dozer) <br /> -------------------------------- <br /> Ownership Cost/hr = $44.18 $10.39 $4.86 $2.40 $36.36 <br /> Operating Cost/hr = $38.55 $14.88 $7.79 $5.16 $45.14 <br /> Operator Cost/hr = $22.95 $22.18 $22.35 $21.82 $23.12 <br /> Assistant Cost/hr = $22.06 $0.00 $0.00 $0.00 $0.00 <br /> ----------------------------------------------------------------------------------------------------- <br /> Total = $127.74 $47.45 $35.00 $29.38 $104.62 <br /> ------- ------- ------- ------- ------- <br /> Materials & Supplies: Description $/unit unit cf/unit <br /> -------------------- <br /> ------------ <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 $1,000.00 each NA <br /> Marker $2.00 each NA <br /> ----------------------------------------------------------------------------- <br /> ITEMIZED TASK BREAKDOWN AND ASSOCIATED COSTS <br /> BOREHOLE OR PROJECT I.D.: M-99-051 <br /> ------------------------------------------------------------------------------ <br /> Total Number of Holes: 1 No. Plugs/Hole: 1 Avg. unit volume (cf/lf): 0.4176 <br /> Av. Depth per-Hole (ft.) : 1,200.00 Plug Ht. (ft.) : 1200 Tot. cem. plug vol. (cf) : 501.10 <br /> Av. Diam. per Hole (in.) : 8.75 Type of Casing: steel Remaining fill vol. (cf): 0.00 <br /> Task Item Task Description Quantity Unit $/Unit Cost <br /> ----------------------------------------- <br /> Drill Rig Cement inside casing 12.00 hour $127.74 $1,532.88 <br /> Water Truck Provide water for mixing cement 12.00 hour $47.45 $569.40 <br /> Flatbed Truck Haul supplies and materials 12.00 hour $35.00 $420.00 <br /> Pickup Truck <br /> Dozer <br /> Cement Plug casing 167.03 sack $9.00 $1,503.30 <br /> Bentonite <br /> Surgel <br /> Octo-plug <br /> Marker <br /> Miscellaneous <br /> ------------------------------------------- <br /> * Select either bentonite or surgel; not both. TOTAL DIRECT COST $4,025.58 <br /> ---------- <br /> sheet 1 of i <br />