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Borehole <br />Description <br />Sealing/Item Method <br />Diameter <br />Length <br />Quantity <br />Unit <br />Unit <br />Cost <br />Total Cost <br />Bottom plug <br />PVC plug - 10 in. <br />diameter borehole <br />9.625" <br />50' Each . <br />8.00 <br />EA <br />$188.26 <br />$1,506.10 <br />- Fill Holes with <br />Cement <br />Portland cement grout ( <br />Bag, material cost <br />only...94 lb. bag) <br />9.625" <br />800' Total <br />101.00 <br />bag <br />$10.90 <br />$1,100.90 <br />- Cut Casing at <br />Surface <br />Exposed casing removal <br />- 8 to 14 in. diameter <br />steel pipe (LF) <br />9.625" <br />NA <br />16.00 <br />LF <br />$8.75 <br />$139.95 <br />- Borehole Marker <br />Borehole <br />location/identification <br />marker (EA, material <br />cost only) <br />NA <br />NA <br />8.00 <br />EA <br />$3.81 <br />$30.48 <br />- Drill Rig Time <br />ATLAS COPCO ROC <br />F9- 11,5.0 in. <br />NA <br />NA <br />32.00 <br />EA <br />$201.28 <br />$6,440.96 <br />- Water Truck <br />Time <br />Water Tanker, 3,500 Gal. <br />NA <br />NA <br />32.00 <br />EA <br />$39.35 <br />$1,259.20 <br />Task description: <br />Site: Elk Creek Mine <br />PROJECT IDENTIFICATION <br />Task #: 311 <br />Date: 12- Jul -11 <br />User: JRS <br />UNIT COSTS <br />BOREHOLE SEALING WORK <br />Plug and Seal Eight Gob Vent Boreholes <br />State: Colorado <br />County: Delta <br />Agency or organization name: DRMS <br />Permit Action: Technical Revision 71 Permit/Job #: C1981022 <br />Job Hours: <br />Abbreviation: None <br />Filename CO22 -311 <br />32.00 Total Cost: $10,477.59 <br />