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BOREHOLE SEALING WORK <br />Task description: Plug and Seal 16 Angle Drilled Gob Vent Boreholes <br />Site: Elk Creek Mine Permit Action: Minor Revision 95 Permit/Job#: C1981022 <br />PROJECT IDENTIFICATION <br />Task #: 291 <br />Date: 11-Mar-11 <br />User: JRS <br />State: Colorado <br />County: Delta <br />Abbreviation: None <br />Filename: C022-291 <br />Agency or organization name: DRMS <br />UNIT COSTS <br />Borehole Sealing/Item Method <br />Description Diameter Length Quantity Unit Unit Total Cost <br /> Cost <br />Bottom plug PVC plug - 10 in. 9.625" 50' Each 16.00 EA $188.26 $3,012.21 <br /> diameter borehole <br />- Fill Holes with Portland cement grout 9.625" 800' Total 202.00 bag $10.90 $2,201.80 <br />Cement (Bag, material cost <br /> only ...94 lb. bag) <br />- Cut Casing at Exposed casing removal 9.625" NA 32.00 LF $8.75 $279.90 <br />Surface - 8 to 14 in. diameter <br /> steel pipe (LF) <br />- Borehole Marker Borehole NA NA 16.00 EA $3.81 $60.96 <br /> location/identification <br /> marker (EA, material <br /> cost only) <br />- Drill Rig Time ATLAS COPCO ROC NA NA 64.00 EA $201.28 $12,881.92 <br /> F9-11,5.0 in. <br />- Water Truck Water Tanker, 3,500 Gal. NA NA 64.00 EA $39.35 $2,518.40 <br />Time <br />Job Hours: 64.00 Total Cost: $20,955.19