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Task description: _ <br />Site: New Horizon Mine <br />PROJECT IDENTIFICATION <br />Task #: 012 <br />Date: 10/21/2011 <br />User: SLB <br />BOREHOLE SEALING WORK <br />Seal 2" Wells <br />Permit Action: Phase II /III Bond <br />Release SL -12 and <br />PR -6 Permit/Job #: C1981008 <br />State: Colorado <br />County: <br />Montrose <br />Abbreviation: <br />Filename: <br />Agency or organization name: Colorado Division of Reclamation, Mining and Safety <br />UNIT COSTS <br />None <br />C008 -012 <br />Borehole <br />Description <br />Seating/Item Method <br />Diameter <br />Length <br />Quantity <br />Unit <br />Unit <br />Total Cost <br />Cost <br />N8 Cement <br />Portland cement grout ( <br />2 <br />7 <br />2.00 <br />bag <br />$9.74 <br />$19.48 <br />Bag, material cost <br />only ... 94 lb. bag) <br />N8 bentonite <br />Granular bentonite (Bag, <br />2 <br />90 <br />2.86 <br />bag <br />$9.80 <br />$28.03 <br />material cost only ... 50 lb. <br />bag) <br />N8 Casing <br />Exposed casing removal <br />2 <br />2.82 <br />3.82 <br />LF <br />$1.30 <br />$4.97 <br />- 2 to 3.5 in. diameter <br />steel pipe (LF) <br />N8 marker <br />Borehole <br />NA <br />NA <br />1.00 <br />EA <br />$2.75 <br />$2.75 <br />location/identification <br />marker (EA, material <br />cost only) <br />N36 cement <br />Portland cement grout ( <br />2 <br />7 <br />2.00 <br />bag <br />$9.74 <br />$19.48 <br />Bag, material cost <br />only ... 94 lb. bag) <br />N36 bentonite <br />Granular bentonite (Bag, <br />2 <br />50 <br />1.59 <br />bag <br />$9.80 <br />$15.58 <br />material cost only ... 50 lb. <br />bag) <br />N36 casing <br />Exposed casing removal <br />2 <br />2.2 <br />3.20 <br />LF <br />$1.30 <br />$4.16 <br />- 2 to 3.5 in. diameter <br />steel pipe (LF) <br />N36 marker <br />Borehole <br />NA <br />NA <br />1.00 <br />EA <br />$2.75 <br />$2.75 <br />location/identification <br />marker (EA, material <br />cost only) <br />N37 cement <br />Portland cement grout ( <br />2 <br />7 <br />2.00 <br />bag <br />$9.74 <br />$19.48 <br />Bag, material cost <br />only ... 94 lb. bag) <br />N37 bentonite <br />Granular bentonite (Bag, <br />2 <br />4.7 <br />0.15 <br />bag <br />$9.80 <br />$1.47 <br />material cost only ... 50 lb. <br />bag) <br />N37 casing <br />Exposed casing removal <br />2 <br />.6 <br />1.60 <br />LF <br />$1.30 <br />$2.08 <br />- 2 to 3.5 in. diameter <br />steel pipe (LF) <br />N38 marker <br />Borehole <br />NA <br />NA <br />1.00 <br />EA <br />$2.75 <br />$2.75 <br />location/identification <br />marker (EA, material <br />cost only) <br />N39 cement <br />Portland cement grout ( <br />2 <br />7 <br />2.00 <br />1 bag <br />$9.74 <br />$19.48 <br />