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BOREHOLE SEALING WORK <br /> Task description: Plug and Seal MW-1,2,3 and 4 Clusters(12 Wells)TR26 <br /> Site: King Coal Mine Permit Action: MT9 Permit/Job#: C1981035 <br /> PROJECT IDENTIFICATION <br /> Task#: 501 State: Colorado Abbreviation: None <br /> Date: 5/13/2025 County: La Plata Filename: C035-501 <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 /> Install Plugs, PVC plug-6 in. 6 NA 4.00 EA $65.19 $260.76 <br /> Cliffhouse SS,4 x diameter borehole <br /> 6"wells <br /> Install Plugs, "A: PVC plug-2 in. 2 NA 8.00 EA $26.09 $208.75 <br /> Coal Seam and diameter borehole <br /> Menefee <br /> Interburden,8 x <br /> 2"Wells <br /> Seal Wells Portland cement grout( 4x6"& 1031 68.00 bag $22.00 $1,496.00 <br /> Bag,material cost 8x2" <br /> only...94 lb.bag) <br /> Cut Casings Exposed casing removal 7" 4 x 7" 7.30 LF $3.23 $23.58 <br /> -Calculate <br /> Circumference in Linear <br /> Feet <br /> Cut Casings Exposed casing removal 6" 8x6" 12.60 LF $3.23 $40.70 <br /> -Calculate <br /> Circumference in Linear <br /> Feet <br /> Install Markers Borehole NA NA 12.00 EA $46.00 $552.00 <br /> location/identification <br /> marker(EA,material <br /> cost only) <br /> Drill Rig ATLAS COPCO ROC NA NA 53.00 EA $346.86 $18,383.58 <br /> D7-11,4.0 in. <br /> Water Truck Water Tanker,2,500 NA NA 53.00 EA $34.10 $1,807.30 <br /> Gal. <br /> Job Hours: 53.00 Total Cost: $22,773.00 <br />