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BOREHOLE SEALING WORK <br />Task description: Plug and Seal Three Exploration Boreholes <br />Site: Bowie No. 2 Mine Permit Action: Minor Revision 127 Permit/Job #: C1996083 <br />PROJECT IDENTIFICATION <br />Task #: 281 State: Colorado <br />Date: 13- Jun -11 County: Delta <br />User: JRS <br />Agency or organization name: DRMS <br />UNIT COSTS <br />Abbreviation: None <br />Filename: C083 -281 <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 />9.375" <br />5,840' <br />3.00 <br />EA <br />$188.26 <br />$564.79 <br />diameter borehole <br />- Fill Holes with <br />Portland cement grout ( <br />9.375" <br />5,840' <br />1,400.00 <br />bag <br />$10.90 <br />$15,260.00 <br />Cement <br />Bag, material cost <br />only ...94 lb. bag) <br />- Cut Casing at <br />Exposed casing removal <br />9.375" <br />NA <br />6.00 <br />LF <br />$8.75 <br />$52.48 <br />Surface <br />- 8 to 14 in. diameter <br />steel pipe (LF) <br />- Borehole <br />Borehole <br />NA <br />NA <br />3.00 <br />EA <br />$3.81 <br />$11.43 <br />Marker <br />location/identification <br />marker (EA, material <br />cost only) <br />- Drill Rig Time <br />ATLAS COPCO ROC <br />NA <br />NA <br />48.00 <br />EA <br />$174.62 <br />$8,381.76 <br />D7- 11,4.0 in. <br />- Water Truck <br />Water Tanker, 2,500 Gal. <br />NA <br />NA <br />48.00 <br />EA <br />$63.70 <br />$3,057.60 <br />Time <br />Job Hours: 48.00 Total Cost: $27,328.06 <br />