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Task description: <br />Site: Northfield Mine <br />PROJECT IDENTIFICATION <br />Task #: 056 <br />Date: 1/25/2012 <br />BOREHOLE SEALING WORK <br />ig and Seal Wells NF -01A, NF -02 and NF -03A <br />Permit Action: 2012 Bond <br />Recalculation Penrt /Job #: C2006085 <br />State: Colorado Abbreviation: None <br />Counh: Fremont Filename: C085 -056 <br />User: TRS <br />Agency or organization name: DRMS <br />UNIT COSTS <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 - 6 in. <br />6" <br />NA <br />3.00 <br />EA <br />$50,35 <br />$151.05 <br />diameter borehole <br />- Fill Wells with <br />Portland cement grout ( <br />6" <br />1,942' <br />191.00 <br />bag <br />$9.74 <br />$1,860.34 <br />Cement <br />Bag, material cost <br />only-94 lb. bag) <br />- Cut Casing at <br />Exposed casing removal <br />6" <br />NA <br />6.00 <br />LF <br />$5.75 <br />$34.50 <br />Surface <br />- 4 to 10 in. diameter <br />steel pipe (LF) <br />- Borehole <br />Borehole <br />NA <br />NA <br />3.00 <br />EA <br />$2.75 <br />$8.25 <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 />24.00 <br />EA <br />$145.92 <br />$3,502.08 <br />D3- 01,3.0 in. <br />- Water Truck <br />Water Tanker, 2,500 Gal. <br />NA <br />NA <br />24.00 <br />EA <br />$68.18 <br />$1,636.32 <br />Time <br />Job Hours: 24.00 <br />Total Cost: $7,192.54 <br />CIRCES Cost Estimating Sofhvare <br />