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___ _ <br />Colorado Division of Minerals and Geology 999 <br />ESTIMATING FORM - SEALING BOREHOLES <br />Task #: 1 Prep. by: ESC Task Fi Lename : C016-1 <br />Date: 19-Oct-94 Permit #:C- 81-016 Mine: Hawk Nest Mine <br />Permit Action: Bond Forfeiture <br />-------------------------------------------- <br />Task Description: Seal and Plug Methane Wells <br />UNIT COSTS <br />No. Plugs /Hole: <br />1 <br />Avg, unit <br />volume (cf/If): <br />0.1963 <br />Av. Depth per <br />Drill Water <br />Flatbed <br />Pickup <br />Dozer <br />plug voL. (cf): <br />Mobile Equipment: <br />Rig Truck <br />Truck <br />Truck <br />(Cat 07H) <br />Last update: 1991 <br />fill vol. (cf): <br />215.98 <br />ownership Cost /hr = <br />544.18 $8.63 <br />$6.70 <br />$2.32 <br />535.68 <br />$ /Unit <br />Operating Cost /hr = <br />$38.55 $7.55 <br />$7.53 <br />$5.47 <br />$31.52 <br />hour <br />Operator Cost /hr = <br />$21.58 $20.84 <br />$20.84 <br />$21.58 <br />$21.58 <br />16.00 <br />Assistant Cost /hr = <br />$20.69 $0.00 <br />$0.00 <br />$0.00 <br />$0.00 <br />------------------- '------------------ <br />Total = <br />'----------------------------------------------- <br />S125.00 $37.02 <br />$35.07 <br />$29.37 <br />$88.78 <br />•-------------- <br />Materials 8 Supplies: <br />------- ----- -- <br />Description <br />------- <br />------- <br />5/unit <br />- ------ <br />unit <br />cf /unit <br />Repair Road <br />Portland Type II Cement <br />$9.00 <br />90# sack <br />3.00 <br />$355.12 <br />Dry Granular Bentonite <br />56.00 <br />100# sack <br />3.00 <br />$9.00 <br />Surgel Abandonment <br />Fluid <br />$6.00 <br />1000 sack <br />3.00 <br />sack <br />Octo Plug <br />$392.70 <br />$4.35 <br />each <br />NA <br />Marker <br />--------------------------------------------'------------------ <br />$2.00 <br />each <br />NA <br />'---- •--- - - - - -- <br />ITEMIZED TASK BREAKDOWN AND ASSOCIATED COSTS <br />BOREHOLE OR PROJECT I.D.: DH 1 -4 <br />Total Number of Holes: 4 <br />No. Plugs /Hole: <br />1 <br />Avg, unit <br />volume (cf/If): <br />0.1963 <br />Av. Depth per <br />Hole (ft.): 300.00 <br />Plug Ht. (ft.): <br />25 <br />Tot, cem. <br />plug voL. (cf): <br />19.63 <br />Av. Diam. per <br />Hole (in.): 6.00 <br />Type of Casing: <br />Steel <br />Remaining <br />fill vol. (cf): <br />215.98 <br />Task Item <br />Task Description <br />Quantity <br />Unit <br />$ /Unit <br />Cost <br />Drill Rig <br />Place Packer in Well; <br />Bentonite <br />16.00 <br />hour <br />$125.00 <br />$2,000.00 <br />Water Truck <br />Water <br />16.00 <br />hour <br />537.02 <br />$592.32 <br />Flatbed Truck <br />Haul Materials <br />16.00 <br />hour <br />535.07 <br />$561.12 <br />Pickup Truck <br />Haul Crew <br />16.00 <br />hour <br />529.37 <br />5469.92 <br />Dozer <br />Repair Road <br />4.00 <br />hour <br />$88.78 <br />$355.12 <br />Cement <br />Plug Well (Portland Type 11) <br />6.54 <br />sack <br />$9.00 <br />$58.90 <br />Bentonite ' <br />Seal Well <br />65.45 <br />sack <br />$6.00 <br />$392.70 <br />Surgel <br />Octo -plug <br />Packer Plug <br />4.00 <br />ea. <br />$4.35 <br />517.40 <br />Marker <br />Marker <br />4.00 <br />ea. <br />52.00 <br />$8.00 <br />Miscellaneous <br />Cut Casing <br />4.00 <br />hour <br />$60.00 <br />5240.00 <br />Methane Packer <br />3.00 <br />ea. <br />$285.00 <br />5855.00 <br />-------------------------------------------------------------------------------------------------------- <br />• Select either bentonite or surgeL; <br />not both. <br />TOTAL <br />DIRECT COST <br />$5,550.48 <br />sheet 1 of 1 <br />