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Cost Summary Worksheet Cont'd Task # 360 Page 2 of 14 <br />BOREHOLE SEALING WORK <br />Task description: Plug and Seal 9 Gob Vent Boreholes <br />Site: Elk Creek Mine Permit Action: Technical Revision 74 Permit/Job #: C1981022 <br />PROJECT IDENTIFICATION <br />Task #: 361 State: Colorado <br />Date: 8/8/2013 County: Delta <br />User: BFB <br />Agency or organization name: DRMS <br />UNIT COSTS <br />Abbreviation: None <br />Filename: CO22 -361 <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 />Bottom plug <br />PVC plug - 10 in. <br />9.625" <br />50' <br />9.00 <br />EA <br />$96.54 <br />$868.86 <br />diameter borehole <br />Each <br />- Fill Holes <br />Portland cement <br />9.625" <br />450 <br />114.00 <br />bag <br />$11.50 <br />$1,311.00 <br />with Cement <br />grout ( Bag, material <br />feet <br />cost only ... 94 lb. bag) <br />- Cut Casing at <br />Exposed casing <br />9.625" <br />NA <br />23.00 <br />LF <br />$8.81 <br />$202.63 <br />Surface <br />removal - 8 to 14 in. <br />diameter steel pipe <br />(LF) <br />- Borehole <br />Borehole <br />NA <br />NA <br />9.00 <br />EA <br />$2.51 <br />$25.29 <br />Marker <br />location/identification <br />marker (EA, material <br />cost only) <br />- Drill Rig <br />ATLAS COPCO <br />NA <br />NA <br />36.00 <br />EA <br />$201.28 <br />$7,246.08 <br />Time <br />ROC F9- 11,5.0 in. <br />- Water Truck <br />Water Tanker, 3,500 <br />NA <br />NA <br />36.00 <br />EA <br />$39.35 <br />$1,416.60 <br />Time <br />Gal. <br />Job Hours: 36.00 <br />Total Cost: $11,070.46 <br />CIRCES Cost Estimating Software <br />