Sanford Lab
(now Sanford Underground Research Facility) Dimensions: 3.5’ Diameter & 300’ Length Location: Lead, South Dakota Purpose: Ventilation and Utilities Project Type: Decommissioned Homestake Gold Mine converted to government underground research facility Ground Type: Metamorphic Rock Schedule: 26 Total Days Distinguishing Element: Disassembled the machine to fit railway with maximum load of 6,000 pounds, and then […]
Revenue-Virginius Silver Mine
Dimensions: 8’ Diameter & 1476’ Length Location: Ouray, Colorado Purpose: Air ventilation Project Type: Underground Silver & Gold Mine Ground Type: Metamorphic Rock Schedule: 83 Total Days Distinguishing Element: High elevation (12,526 feet) Client: Fortune Minerals Owner: Ouray Silver Mines – Mining, Silver, Metals All Projects Other Projects Sanford Lab Revenue-Virginius Silver Mine Sunrise Coal […]
Sunrise Coal Mine
Dimensions: 20’ Diameter & 344’ Length Location: Oaktown, Indiana Purpose: Air ventilation Project Type: Underground Coal Mine Ground Type: Sedimentary Rock Schedule: 40 Total Days Client: Sunrise Coal LLC Owner: Hallador Energy Company All Projects Other Projects Sanford Lab Revenue-Virginius Silver Mine Sunrise Coal Mine Lake Travis Deserado Coal Mine Boonesboro Limestone Mine/Quarry Turquoise Ridge […]
Lake Travis
Dimensions: 4.5’ Diameter & 342’ Length Location: Lago Vista, Texas Purpose: Pipes to pump water from lake while preserving hillside vegetation Project Type: Civil Project Ground Type: Consolidated overburdened Schedule: 40 Total Days Distinguishing Element: 35-degree angle machine orientation Client: Excel Energy Construction All Projects Other Projects Sanford Lab Revenue-Virginius Silver Mine Sunrise Coal Mine […]
Deserado Coal Mine
Dimensions: 8’ Diameter & 810’ Length Location: Rangely, Colorado Purpose: Air ventilation Project Type: Underground Coal Mines Ground Type: Sedimentary Rock Schedule: 55 Total Days Distinguishing Element: Install liners Client: Blue Mountain Energy Partner: Contech (Liners) Owner: Deserado Mine (deseretpower.com) All Projects Other Projects Sanford Lab Revenue-Virginius Silver Mine Sunrise Coal Mine Lake Travis Deserado […]
Boonesboro Limestone Mine/Quarry
Dimensions: 14’ Diameter & 223’ Length Location: Boonesborough, Kentucky Purpose: Air ventilation Project Type: Underground Limestone Mine Ground Type: Limestone Schedule: 34 Total Days Client: The Allen Co., Inc Owner: The Allen Company All Projects Other Projects Sanford Lab Revenue-Virginius Silver Mine Sunrise Coal Mine Lake Travis Deserado Coal Mine Boonesboro Limestone Mine/Quarry Turquoise Ridge […]
Turquoise Ridge Mine
Dimensions: 10’ Diameter & 148’ Length Location: Golconda, Nevada Purpose: Ore Shoot Project Type: Underground Gold Mine Ground Type: Sedimentary Rock Schedule: 22 Total Days Distinguishing Element: Installed liners Client: Barrick Major Mines & Projects | Turquoise Ridge Operation (miningdataonline.com) All Projects Other Projects Sanford Lab Revenue-Virginius Silver Mine Sunrise Coal Mine Lake Travis Deserado […]
Federal Quarry Mine
Dimensions: 20’ Diameter & 190’ Length Location: McCook, Illinois Purpose: Air ventilation Project Type: Underground Limestone Mine Ground Type: Limestone Schedule: 43 Total Days Client: Atkinson Construction Owner: Vulcan Materials Company All Projects Other Projects Sanford Lab Revenue-Virginius Silver Mine Sunrise Coal Mine Lake Travis Deserado Coal Mine Boonesboro Limestone Mine/Quarry Turquoise Ridge Mine Federal […]
Thornton Composite Reservoir
Dimensions: 14’ Diameter & 287’ Length Location: Thornton, Illinois Purpose: Air ventilation and system pressurization Project Type: Combined Sewer Overflow Facility Ground Type: Limestone Schedule: 44 Total Days Client: Atkinson Construction Owner: Metropolitan Water Reclamation District of Greater Chicago (mwrd.org) All Projects Other Projects Sanford Lab Revenue-Virginius Silver Mine Sunrise Coal Mine Lake Travis Deserado […]