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BOREHOLE SEALING WORK <br />Task description: Plug and Seal All Boreholes and Monitoring Wells <br />Site: New Elk Mine Permit Action: Mid Term 08 Permit/Job#: I C1981012 <br />PROJECT IDENTIFICATION <br />Task #: <br />031 <br />State: <br />I Colorado <br />Abbreviation: <br />None <br />Date: <br />8/5/2021 <br />County: <br />Las Animas <br />Filename: <br />C012-031 <br />User: <br />DC1 <br />Agency or organization name7 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 />MW1- MW10 Fill <br />Portland cement grout ( <br />4" <br />150 <br />7.00 <br />bag <br />$19.95 <br />$139.65 <br />w/Cement <br />Bag, material cost <br />only ... 94 lb. bag) <br />-Plug <br />PVC plug - 4 in. <br />4" <br />NA <br />10.00 <br />EA <br />$33.98 <br />$339.80 <br />diameter borehole <br />-Cut Casings at <br />Exposed casing removal <br />4" <br />NA <br />4.00 <br />LF <br />$3.26 <br />$13.04 <br />Surface <br />- Calculate <br />Circumference in Linear <br />Feet <br />-Borehole Marker <br />Borehole <br />NA <br />NA <br />10.00 <br />EA <br />$37.50 <br />$375.00 <br />location/identification <br />marker (EA, material <br />cost only) <br />-Drill Rig Time <br />SCHRAMM T450WS <br />NA <br />NA <br />20.00 <br />EA <br />$501.24 <br />$10,024.80 <br />-Water Truck <br />Water Tanker, 2,500 <br />NA <br />NA <br />20.00 <br />EA <br />$29.70 <br />$594.00 <br />Time <br />Gal. <br />PAW1- PAW4; <br />Portland cement grout ( <br />4" <br />137 LF <br />6.00 <br />bag <br />$19.95 <br />$119.70 <br />PAW8,9 Fill <br />Bag, material cost <br />w/Cement <br />only ... 94 lb. bag) <br />-Plug <br />PVC plug - 4 in. <br />4" <br />NA <br />6.00 <br />EA <br />$33.98 <br />$203.88 <br />diameter borehole <br />-Cut Casings at <br />Exposed casing removal <br />NA <br />NA <br />4.00 <br />LF <br />$3.26 <br />$13.04 <br />Surface <br />- Calculate <br />Circumference in Linear <br />Feet <br />-Borehole Marker <br />Borehole <br />NA <br />NA <br />6.00 <br />EA <br />$37.50 <br />$225.00 <br />location/identification <br />marker (EA, material <br />cost only) <br />-Drill Rig Time <br />SCHRAMM T450WS <br />NA <br />NA <br />12.00 <br />EA <br />$501.24 <br />$6,014.88 <br />-Water Truck <br />Water Tanker, 2,500 <br />NA <br />NA <br />12.00 <br />EA <br />$29.70 <br />$356.40 <br />Time <br />Gal. <br />NEW2 - NEW4 Fill <br />Portland cement grout ( <br />4" <br />1210 LF <br />53.00 <br />bag <br />$19.95 <br />$1,057.35 <br />w/Cement <br />Bag, material cost <br />only ... 94 lb. bag) <br />-Plug <br />PVC plug - 4 in. <br />4" <br />NA <br />3.00 <br />EA <br />$33.98 <br />$101.94 <br />diameter borehole <br />-Cut Casings at <br />Exposed casing removal <br />4" <br />NA <br />4.00 <br />LF <br />$3.26 <br />$13.04 <br />Surface <br />- Calculate <br />