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Task description: <br />Site: Bowie No. 2 Mine <br />BOREHOLE SEALING WORK <br />and Seal Six Gob Vent Boreholes <br />Permit Action: Minor Revision 123 <br />Permit/Job#: C1996083 <br />PROJECT IDENTIFICATION <br />Task #: 271 <br />Date: 05-May-11 <br />User: JRS <br />State: Colorado <br />County: Delta <br />Agency or organization name: DRMS <br />UNIT COSTS <br />Borehole <br />Description Sealing/Item Method <br />Diameter <br />Length <br />Quantity <br />Unit <br />Unit <br />Total Cost <br /> Cost <br />Bottom Plug PVC plug - 10 in. 9.375" 5'526' 6.00 EA $188.26 $1,129.58 <br /> diameter borehole <br />- Fill Holes with Portland cement grout ( 9.735" 5.526' 1,324.00 bag $10.90 $14,431.60 <br />Cement Bag, material cost <br /> only ...94 lb. bag) <br />- Cut Casing at Exposed casing removal 9.375" NA 12.00 LF $8.75 $104.96 <br />Surface - 8 to 14 in. diameter <br /> steel pipe (LF) <br />- Borehole Borehole NA NA 6.00 EA $3.81 $22.86 <br />Marker location/identification <br /> marker (EA, material <br /> cost only) <br />- Drill Rig Time ATLAS COPCO ROC NA NA 72.00 EA $174.62 $12,572.64 <br /> D7-11,4.0. in. <br />- Water Truck Water Tanker, 2,500 Gal. NA NA 72.00 EA $63.70 $4,586.40 <br />Time <br />Abbreviation: None <br />Filename: C083-271 <br />Job Hours: 72.00 Total Cost: $32,848.04