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BOREHOLE SEALING WORK <br />Task description: Plug and Seal 11 Nitrogen Injection Holes <br />Site: Deserado Mine Permit Action: MR163 Permit /Job #: C1981018 <br />PROJECT IDENTIFICATION <br />Task #: 003 <br />Date: 2/5/2015 <br />User: ZTT <br />State: Colorado <br />County: Rio Blanco <br />Agency or organization name: DRMS <br />UNIT COSTS <br />Abbreviation: None <br />Filename: C018 -003 <br />Borehole <br />Sealing /Item Method <br />Description <br />Diameter <br />Length <br />Quantity <br />Unit <br />Unit <br />ToW C®gt <br />Cost <br />Bottom Plug For <br />PVC plug - 4 in. <br />2.75" <br />10' <br />11.00 <br />EA <br />$29.28 <br />$322.08 <br />Exploration Holes <br />diameter borehole <br />- Concrete Plug <br />Portland cement grout - 4 <br />2.75" <br />10' <br />3.00 <br />LF <br />$8.04 <br />$24.13 <br />in. (labor, equip, <br />materials) <br />- Cut Casing at <br />Exposed casing removal <br />2.75" <br />NA <br />11.00 <br />LF <br />$1.37 <br />$15.07 <br />Surface <br />- 2 to 3.5 in. diameter <br />steel pipe (LF) <br />- Borehole Marker <br />Borehole <br />NA <br />NA <br />11.00 <br />EA <br />$2.89 <br />$31.79 <br />location/identification <br />marker (EA, material <br />cost only) <br />- Truck and <br />Flatbed Truck, 6x4, 45K <br />NA <br />NA <br />22.00 <br />EA <br />$55.22 <br />$1,214.84 <br />Laborer <br />GV W <br />Job Hours: 8.00 Total Cost: $1,608.00 <br />