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BOREHOLE SEALING WORK <br /> Task description: Seal Boreholes CO-14-01 through CO-14-09 <br /> Site: King Coal Mine Permit Action: MT9 Permit/Job#: C1981035 <br /> PROJECT IDENTIFICATION <br /> Task#: 409 State: Colorado Abbreviation: None <br /> Date: 5/13/2025 County: La Plata Filename: C035-409 <br /> User: CCW <br /> Agency or organization name: DRMS <br /> UNIT COSTS <br /> Borehole Sealing/Item Method <br /> Description Diameter Length Quantity Unit Unit Total Cost <br /> Cost <br /> Bottom Plugs Stainless steel plug-6 6 NA 18.00 EA $169.49 $3,050.86 <br /> in.diameter borehole <br /> Seal Holes Portland cement grout( 6 27 27.45 bag $22.00 $603.90 <br /> Bag,material cost <br /> only...94 lb.bag) <br /> Cut Casing Exposed casing removal 6 14.14 14.14 LF $3.23 $45.67 <br /> -Calculate <br /> Circumference in Linear <br /> Feet <br /> Hole Marker Borehole NA NA 9.00 EA $46.00 $414.00 <br /> location/identification <br /> marker(EA,material <br /> cost only) <br /> Drill Rig Time GENERIC 3.0 in.- 1, NA NA 36.00 EA $35.98 $1,295.28 <br /> 700 ft.capy. <br /> Water Truck Water Tanker,2,500 NA NA 36.00 EA $34.10 $1,227.60 <br /> Time Gal. <br /> Job Hours: 36.00 Total Cost: $6,637.00 <br />