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BOREHOLE SEALING WORK <br />Task description: Plug and Seal All Wells and Boreholes <br />Site: Colowyo Coal Mine Permit Action: MR161 <br />PROJECT IDENTIFICATION <br />Task #: 002 State: Colorado <br />Date: 9/23/2016 County: Moffat <br />User: ZTT <br />Agency or organization name: DRMS <br />UNIT COSTS <br />Permit/Job#: C1981019 <br />Abbreviation: None <br />Filename: CO 19-002 <br />Borehole <br />Sealing/Item Method <br />Description <br />Diameter <br />Length <br />Quantity <br />Unit <br />Unit <br />Total Cost <br />Cost <br />Plug all 6" Wells <br />PVC plug - 6 in. <br />6" <br />60' <br />1.00 <br />EA <br />$53.04 <br />$53.04 <br />diameter borehole <br />- Fill Holes with <br />Portland cement grout ( <br />6" <br />60' <br />6.00 <br />bag <br />$11.00 <br />$66.00 <br />Cement <br />Bag, material cost <br />only ...94 lb. bag) <br />- Cut Casing at <br />Exposed casing removal <br />6" <br />NA <br />1.00 <br />LF <br />$1.76 <br />$1.76 <br />Surface <br />- Calculate <br />Circumference in Linear <br />Feet <br />- Borehole <br />Borehole <br />NA <br />NA <br />1.00 <br />EA <br />$3.47 <br />$3.47 <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 />2.00 <br />EA <br />$130.83 <br />$261.66 <br />D7-11,4.0 in. <br />- Water Truck <br />Water Tanker, 5,000 Gal. <br />NA <br />NA <br />2.00 <br />EA <br />$67.14 <br />$134.28 <br />Time <br />Plug all 9" Wells <br />PVC plug - 6 in. <br />9" <br />1200' <br />1.00 <br />EA <br />$53.04 <br />$53.04 <br />diameter borehole <br />- Fill Holes with <br />Portland cement grout ( <br />9" <br />1200' <br />265.00 <br />bag <br />$11.00 <br />$2,915.00 <br />Cement <br />Bag, material cost <br />only ...94 lb. bag) <br />- Cut Casing at <br />Exposed casing removal <br />9" <br />NA <br />1.00 <br />LF <br />$1.76 <br />$1.76 <br />Surface <br />- Calculate <br />Circumference in Linear <br />Feet <br />- Borehole <br />Borehole <br />NA <br />NA <br />1.00 <br />EA <br />$3.47 <br />$3.47 <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 />2.00 <br />EA <br />$130.83 <br />$261.66 <br />D7-11,4.0 in. <br />- Water Truck <br />Water Tanker, 5,000 Gal. <br />NA <br />NA <br />2.00 <br />EA <br />$67.14 <br />$134.28 <br />Time <br />Job Hours: 4.00 Total Cost: $3,889.00 <br />