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Page 2 of 9 <br />BOREHOLE SEALING WORK <br />Task description: Seal Boreholes, Exploration Holes and Monitoring Wells <br />Site: Bowie No. 2 Mine Permit Action: Technical Revision 78 Permit/Job #: C 1996083 <br />PROJECT IDENTIFICATION <br />Task #: 343 State <br />Date: 5/15/2013 County <br />User: SLB <br />Colorado <br />Delta <br />Agency or organization name: DRMS <br />UNIT COSTS <br />Abbreviation: None <br />Filename: C083 -343 <br />Borehole <br />Sealing /Item <br />Description <br />Method <br />Diameter <br />Length <br />Quantity <br />Unit <br />Unit <br />Total Cost <br />Cost <br />GVB 14F, <br />PVC plug - 10 in. <br />9.375 <br />NA <br />7.00 <br />EA <br />$96.4 <br />$67.78 <br />15A,B,C,D <br />diameter borehole <br />and 16A; SS -8 <br />" <br />Portland cement <br />9.375 <br />880 <br />3,595.00 <br />bag <br />$11.0 <br />$41,342.0 <br />grout ( Bag, material <br />cost onlv...94 lb. bag) <br />" <br />Exposed casing <br />9.375 <br />21 <br />21.00 <br />LF <br />$5.87 <br />$123.27 <br />removal - 4 to 10 in. <br />diameter steel pipe <br />(LF) <br />" <br />Borehole <br />NA <br />NA <br />7.00 <br />EA <br />$2.81 <br />$19.67 <br />location/identification <br />marker (EA, material <br />cost only) <br />Drill Rig Time <br />ATLAS COPCO <br />NA <br />NA <br />84.00 <br />EA <br />$16.79 <br />$13,926.36 <br />ROC D7- 11,4.0 in. <br />Water Truck <br />Water Tanker, 2,00 <br />NA <br />NA <br />84.00 <br />EA <br />$50.75 <br />$4,263.00 <br />Time <br />Gal. <br />2010 -1SS <br />PVC plug - 6 in. <br />6.25 <br />NA <br />1.00 <br />EA <br />$1.44 <br />$1.44 <br />diameter borehole <br />" <br />Portland cement <br />6.25 <br />1280 <br />230.94 <br />bag <br />$11.0 <br />$2,655.81 <br />grout ( Bag, material <br />cost onlv...94 lb. bag) <br />" <br />Exposed casing <br />6.25 <br />3 <br />3.00 <br />LF <br />$5.87 <br />$17.61 <br />removal - 4 to 10 in. <br />diameter steel pipe <br />(LF) <br />" <br />Borehole <br />NA <br />NA <br />1.00 <br />EA <br />$2.81 <br />$2.81 <br />location/identification <br />marker (EA, material <br />cost only) <br />2010 -1B <br />PVC plug - 10 in. <br />8.75 <br />NA <br />1.00 <br />EA <br />$96.4 <br />$96.4 <br />diameter borehole <br />" <br />Portland cement <br />8.75 <br />1467 <br />518.44 <br />bag <br />$11.0 <br />$5,962.06 <br />grout ( Bag, material <br />cost onlv ... 941b. bag) <br />" <br />Exposed casing <br />8.75 <br />3 <br />3.00 <br />LF <br />$5.87 <br />$17.61 <br />removal - 4 to 10 in. <br />CIRCES Cost Estimating Software <br />