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Colorado Division <br />_______________~__ of Minerals <br />__~~~_____r and Geology <br />___________ <br /> E STINATING FORM - SEALING BOREHOLES <br />Task #: 42D <br />_ Prep. by: CEJ <br />_________ Task Filename L007-42D <br />________ <br />Dale: 17-JUn-94 <br />Permit #:C-80-007 <br />______ <br />Mine: Ye _____________ <br />st Elk Mine <br />_________ <br />Permit Action: ___ <br />Minor Revision No. __ <br />124 __________ ____________ __________________________ <br /> <br />Task Description: ___________________ <br />Seal pi ezometers <br />___________________ ___________ <br /> <br />___________ __________ <br /> <br />__________ ____________ <br /> <br />____________ __________________________ <br /> <br />__________________________ <br />UNIT COSTS <br />_________= Drill Water Flatbed Pickup Dozer <br />Mobile Equipment: Rig Truck Truck Truck (La[ D7H) Las[ update: 1991 <br />___ _ _ <br />Ownership Cost/hr = ___________________ <br />E44.18 E8.63 ___________ <br />f6.70 __________ <br />52.32 ____________ <br />(35.68 __________________________ <br />Operating Lost/hr = (38.55 57.55 57.53 55.47 (31.52 <br />Operator Cost/hr = (21.58 f20.84 520.84 521.58 (21.58 <br />Assistant Cost/hr = f20.69 f0.00 50.00 E0.00 50.00 <br />Total = f125.00 f37.02 535.07 529.37 f88.78 <br /> <br />Materials 8 Supplies: _______ _______ <br />Description _______ _______ <br />f/unit _______ <br />unit <br />tf/unit <br /> _______ _ _ __________________ <br />Portland Type 11 Cement __________ <br />59.00 ____________ <br />90# sack __________________________ <br />3.00 <br /> Dry Granular Ben[oni[e E6.00 100# sack 3.00 <br /> Surgel Abandonment Fluid f6.00 100# sack 3.00 <br /> Oc[o Plug f4.35 each NA <br /> Marker f2.00 each NA <br />ITEMIZED TASK BREAKDONN AND ASSOCIATED COSTS <br />____________________________________________ <br />____________________________________________ <br />BOREHOLE OR PROJECT I.D.: Piezamete rs <br />Total Number of Holes: 10 No. Pl u9s/Hole= 1 Avg. unit volume (cf/Lf ): 0.0218 <br />Av. Depth per Hole (f t. ): 30.00 Ptug H[. (ft.): 7 Tot. cem. plug vol. (cf): 1.53 <br />Av. Diam. per Hole (in. ): 2.00 Type of Casing: PVL Remaining fill vol. (cf ): 5.02 <br />Task Item Task Description Duantity Unit f/Unit Cost <br />_______________________________________________________________________________________________________ <br />Drill Rig Seal and cement piezome[ers 8.00 hour 5125.00 f1,000.00 <br />Mater Truck Provide water for mixing cement 8.00 hour 537.02 f296.16 <br />Flatbed Truck Naul supplies and materials B.00 hour 535.07 (280.56 <br />Pickup Truck NA <br />Dozer NA <br />Cement <br />Ben[onite <br />Surgel <br />Octo-plug <br />Marker <br />Miscellaneous <br />Plug bottom 8 upper 3 ft. of well <br />Fill between bottom 8 top plug <br />NA <br />Install plugs <br />Install markers <br />Lut casing below grade <br />0. 51 sack (9.00 (4.58 <br />1. 16 sack (6.00 (6.98 <br />10. 00 ea. 54.35 (43.50 <br />10. 00 ea. (2.00 f20.00 <br />2. 00 hours (125.00 (250.00 <br /> 70T AL DIRECT LOST 51,901.78 <br />__________________________________________ <br />• Select either ben[oni to or Surgel; not both. <br />sheet 1 of 1 <br />