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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 />9.375" <br />1,635' <br />2.00 <br />EA <br />$188.26 <br />$376.53 <br />- Fill Holes with <br />Cement <br />Portland cement grout ( <br />Bag, material cost <br />only...941b. bag) <br />9.375" <br />1,635' <br />392.00 <br />bag <br />$10.90 <br />$4,272.80 <br />- Cut Casing at <br />Surface <br />Exposed casing removal <br />- 8 to 14 in. diameter <br />steel pipe (LF) <br />9.375" <br />NA <br />6.00 <br />LF <br />$8.75 <br />$52.48 <br />- Borehole <br />Marker <br />Borehole <br />location/identification <br />marker (EA, material <br />cost only) <br />NA <br />NA <br />2.00 <br />EA <br />$3.81 <br />$7.62 <br />- Drill Rig Time <br />ATLAS COPCO ROC <br />D7- 11,4.0 in. <br />NA <br />NA <br />24.00 <br />EA <br />$174.62 <br />$4,190.88 <br />- Water Truck <br />Time <br />Water Tanker, 2,500 Gal. <br />NA <br />NA <br />24.00 <br />EA <br />$63.70 <br />$1,528.80 <br />Task description: <br />Site: Bowie No. 2 Mine <br />PROJECT IDENTIFICATION <br />Task #: 291 <br />Date: 16- Sep -11 <br />User: JRS <br />UNIT COSTS <br />BOREHOLE SEALING WORK <br />Plug and Seal Two Gob Vent Boreholes <br />State: Colorado <br />County: Delta <br />Agency or organization name: DRMS <br />Permit Action: Minor Revision 124 Permit/Job #: C 1996083 <br />Job Hours: <br />Abbreviation: None <br />Filename: C083 -291 <br />48.00 Total Cost: $10,429.11 <br />