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BOREHOLE SEALING WORK <br />Task description: Plug and Seal Longwall Panel E4 MDW's <br />Permit Action: Technical Revision <br />Site: West Elk Mine 129 Permit/Job #: C1980007 <br />PROJECT IDENTIFICATION <br />Task #: 29A State: Colorado <br />Date: 7/11/2012 County: Gunnison <br />User: JRS <br />Agency or organization name: DRMS <br />UNIT COSTS <br />Abbreviation: None <br />Filename: C007 -29A <br />Borehole <br />Sealing/Item Method <br />Description <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" <br />22,355' <br />23.00 <br />EA <br />$94.50 <br />$2,173.50 <br />diameter borehole <br />Fill Hole with <br />Portland cement grout ( <br />9" <br />22,355' <br />9,874.00 <br />bag <br />$9.74 <br />$96,172.76 <br />Cement <br />Bag, material cost <br />ba ) <br />Cut Casing at <br />Exposed casing removal <br />9" <br />NA <br />54.00 <br />LF <br />$5.75 <br />$310.50 <br />Surface <br />- 4 to 10 in. diameter <br />steel ipe (LF) <br />Borehole Marker <br />Borehole <br />NA <br />NA <br />23.00 <br />EA <br />$2.75 <br />$63.25 <br />location/identi ficat ion <br />marker (EA, material <br />cost only) <br />Drill Rig Time <br />Truck Mounted - 3.0 in. - <br />9" <br />22,355' <br />184.00 <br />EA <br />$157.91 <br />$29,055.44 <br />1,700 ft. capacity <br />Water Truck Time <br />Water Tanker, 3,500 Gal. <br />9" <br />22,355' <br />184.00 <br />EA <br />$85.47 <br />$15,726.48 <br />Job Hours: 184.00 Total Cost: $143,501.93 <br />CIRCES Cost Estimating Software <br />