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BOREHOLE SEALING WORK <br />Task description: Plug and Seal Four Gob Vent Boreholes <br />Site: Elk Creek Mine Permit Action: Minor Revision 99 Permit/Job #: C1981022 <br />PROJECT IDENTIFICATION <br />Task #: 331 State: Colorado <br />Date: 4/16/2012 County: Delta <br />User: JRS <br />Agency or organization name: DRMS <br />UNIT COSTS <br />Abbreviation: None <br />Filename: CO22 -331 <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 />Bottom Plug <br />PVC plug - 10 in. <br />9 -5/8" <br />50' <br />4.00 <br />EA <br />$94.50 <br />$378.00 <br />diameter borehole <br />Fill Holes with <br />Portland cement <br />9 -5/8" <br />200' <br />51.00 <br />bag <br />$9.74 <br />$496.74 <br />Cement <br />grout ( Bag, material <br />cost only ... 94 lb. bag) <br />Cut Casing at <br />Exposed casing <br />9 -5/8" <br />NA <br />12.00 <br />LF <br />$8.62 <br />$103.44 <br />Surface <br />removal - 10 to 16 in. <br />diameter steel pipe <br />(LF) <br />Borehole <br />Borehole <br />NA <br />NA <br />4.00 <br />EA <br />$2.75 <br />$11.00 <br />Marker <br />location/identification <br />marker (EA, material <br />cost only) <br />Drill Rig Time <br />Truck Mounted - <br />NA <br />NA <br />20.00 <br />EA <br />$144.07 <br />$2,881.40 <br />3.0in. - 500 ft capy. <br />Water Truck <br />Water Tanker, 2,500 <br />NA <br />NA <br />20.00 <br />EA <br />$68.18 <br />$1,363.60 <br />Time <br />Gal. <br />Job Hours: 20.00 <br />Total Cost: $5,234.18 <br />CIRCES Cost Estimating Software <br />