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Demo Worksheet Cont'd Task # TTT Page 28 of 135 <br />Task description: <br />Site: New Horizon Mine <br />BOREHOLE SEALING WORK <br />Seal 2" Wells <br />PROJECT IDENTIFICATION <br />Permit Action: RN7 <br />Task 012 State: Colorado <br />Date: 12/28/2017 County: Montrose <br />User: JDM <br />Permit/Job#: C1981008 <br />Abbreviation: None <br />Filename: C008-012 <br />Agency or organization name: Colorado Division of Reclamation, Mining and Safety <br />UNIT COSTS <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 />N8 Cement <br />Portland cement <br />2 <br />7 <br />2.00 <br />bag <br />$10.55 <br />$21.10 <br />grout ( Bag, material <br />cost only ...94 lb. bag) <br />N8 bentonite <br />Granular bentonite <br />2 <br />90 <br />2.86 <br />bag <br />$18.60 <br />$53.20 <br />(Bag, material cost <br />only ...50 lb. ba <br />N8 Casing <br />Exposed casing <br />2 <br />2.82 <br />3.82 <br />LF <br />$1.77 <br />$6.76 <br />removal - Calculate <br />Circumference in <br />Linear Feet <br />N8 marker <br />Borehole <br />NA <br />NA <br />1.00 <br />EA <br />$3.67 <br />$3.67 <br />location/identification <br />marker (EA, material <br />cost only) <br />N36 cement <br />Portland cement <br />2 <br />7 <br />2.00 <br />bag <br />$10.55 <br />$21.10 <br />grout ( Bag, material <br />cost only ...94 lb. bag) <br />N36 bentonite <br />Granular bentonite <br />2 <br />50 <br />1.59 <br />bag <br />$18.60 <br />$29.57 <br />(Bag, material cost <br />only ...50 lb. ba <br />N36 casing <br />Exposed casing <br />2 <br />2.2 <br />3.20 <br />LF <br />$1.77 <br />$5.66 <br />removal - Calculate <br />Circumference in <br />Linear Feet <br />N36 marker <br />Borehole <br />NA <br />NA <br />1.00 <br />EA <br />$3.67 <br />$3.67 <br />location/identification <br />marker (EA, material <br />cost only) <br />N37 cement <br />Portland cement <br />2 <br />7 <br />2.00 <br />bag <br />$10.55 <br />$21.10 <br />grout ( Bag, material <br />cost only ...94 lb. bag) <br />N37 bentonite <br />Granular bentonite <br />2 <br />4.7 <br />0.15 <br />bag <br />$18.60 <br />$2.79 <br />(Bag, material cost <br />only ...50 lb. ba <br />N37 casing <br />Exposed casing <br />2 <br />.6 <br />1.60 <br />LF <br />$1.77 <br />$2.83 <br />removal - Calculate <br />Circumference in <br />Linear Feet <br />CIRCES Cost Estimating Software <br />