That’s right, it can operate in 3,000 meters of water, and it can drill and sample up to 150-meters below the ocean floor while being operated remotely from a ship above the drill site. [Source: Edmonton Journal. Image: Edmonton Journal]
Fortunately nobody was seriously injured as a drilled shaft rig toppled over at a construction site in Maroochydore, Queensland, Australia. No word on what caused the accident at the building site. The operator was inside […]
On October 26, 2007, a man was killed on Highway 118 in Simi Valley, California when he was apparently entangled in the auger of an excavator mounted drill rig. The rig was drilling holes for a soundwall foundation. Read the full article.
On May 15 a drilled shaft rig operated by Mid America Drilling Corp was nearly swallowed by the 9-ft diameter hole it was drilling for a cell tower foundation near Harlan, Iowa. Fortunately nobody was injured and the truck did not suffer any significant damage.
In Arizona, the standard of practice is to use a temporary surface casing to prevent dangerous failures like that. I once saw pictures of a drilling contractor superindendent almost get sucked into a collapsing shaft, even with the temporary casing. Pretty scary stuff. Source: Harlan Tribune. (Photo by Samantha Bruck)