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Page 6 of 32 <br />BOREHOLE SEALING WORK <br />Task description: Seal All Monitoring Wells <br />Site: Munger Canyon Mine Permit Action: RN7 Permit/Job#: C1981020 <br />PROJECT IDENTIFICATION <br />Task #: 011 State: Colorado <br />Date: 3/26/2018 County: Garfield <br />User: JHB <br />Agency or organization name: DRMS <br />UNIT COSTS <br />Abbreviation: None <br />Filename: CO20-011 <br />Borehole <br />Sealing/Item <br />Description <br />Method <br />Diameter <br />Length <br />Quantity <br />Unit <br />Unit <br />Total Cost <br />Cost <br />SurfacePlug <br />Portland cement <br />3 <br />10 <br />70.00 <br />LF <br />$7.69 <br />$538.30 <br />grout - 4 in. (labor, <br />equip, materials) <br />Bottom Plug <br />PVC plug - 4 in. <br />3 <br />NA <br />7.00 <br />EA <br />$29.95 <br />$209.65 <br />diameter borehole <br />Fill Holes with <br />Granular bentonite <br />3 <br />37 <br />12.00 <br />bag <br />$18.60 <br />$223.20 <br />Bentonite <br />(Bag, material cost <br />only ...501b. ba <br />Cut Casing at <br />Exposed casing <br />3 <br />.0469 <br />7.00 <br />LF <br />$1.77 <br />$12.39 <br />Surface <br />removal - Calculate <br />Circumference in <br />Linear Feet <br />Drill Rig Time <br />GENERIC 3.0 in. - <br />NA <br />NA <br />14.00 <br />EA <br />$16.53 <br />$231.42 <br />500 ft. capy. <br />Borehole <br />Borehole <br />NA <br />NA <br />7.00 <br />EA <br />$3.67 <br />$25.69 <br />Marker <br />location/identification <br />marker (EA, material <br />cost only) <br />Job Hours: 24.00 <br />Total Cost: $1,241.00 <br />CIRCES Cost Estimating Software <br />