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BOREHOLE SEALING WORK <br />Task description: Close and seal second underground borehole <br />Site: Equity Exploration Project Permit Action: MD -2 Permit/Job#: P2011010 <br />PROJECT IDENTIFICATION <br />Task #: 202 State: Colorado Abbreviation: None <br />Date: 10/18/2012 County: Mineral Filename: P010-202 <br />User: RCO <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 />Install resin packer <br />USER PROVIDED <br />4 <br />NA <br />1.00 <br />EA <br />$250.00 <br />$250.00 <br />at collar <br />ITEM <br />Pump bentonite <br />Bentonite seal - 4 in. <br />4 <br />NA <br />1.00 <br />EA <br />$106.87 <br />$106.87 <br />out <br />lanor, equip, materials <br />Pump portland <br />Portland cement grout - 4 <br />4 <br />50 <br />50.00 <br />LF <br />$7.65 <br />$382.61 <br />cement grout <br />in. (labor, equip, <br />materials <br />Install stainless <br />USER PROVIDED <br />4 <br />NA <br />1.00 <br />EA <br />$250.00 <br />$250.00 <br />valve at collar <br />ITEM <br />Job Hours: 15.00 Total Cost: $989.48 <br />Note: <br />Approval for up to two boreholes open at once. <br />Bonding for modification now includes cost for closing second borehole. <br />Valve and resin/packer required for certain (inclined) holes. <br />Full length backfilling/pumping required, with bentonite and/or cement. <br />