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BOREHOLE SEALING WORK <br /> Task description: King I-seal vent hole <br /> Site: King Coal Mine Permit Action: MT9 Permit/Job#: C1981035 <br /> PROJECT IDENTIFICATION <br /> Task#: 022 State: Colorado Abbreviation: None <br /> Date: 4/23/2025 County: La Plata Filename: C035-022 <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 /> Seal hole Portland cement grout- 7 100 100.00 LF $10.60 $1,060.27 <br /> 8 in.(labor,equip, <br /> materials) <br /> Bottom Plug Stainless steel plug-8 7 100 1.00 EA $232.18 $232.18 <br /> in.diameter borehole <br /> Cut Casing Exposed casing removal 7 2 2.00 LF $3.23 $6.46 <br /> -Calculate <br /> Circumference in Linear <br /> Feet <br /> Mark Hole Borehole 7 1 1.00 EA $46.00 $46.00 <br /> location/identification <br /> marker(EA,material <br /> cost only) <br /> drill rig SCHRAMM T450WS 7 NA 1.00 EA 1 $483.88 1 $483.88 <br /> Job Hours: 8.00 Total Cost: $1,829.00 <br />