Wed March 02, 2016
Ditch Witch C-, CX-Series Walk-Behind Trenchers Designed to Maximize Return on Investment
The Ditch Witch CX-Series trenchers are equipped with the CX Track system, which includes a shorter left track and longer right track, allowing better traction and a shorter overall length for enhanced maneuverability in tight spaces....
Fri February 26, 2016
Seattle's Big Tunnel Borer Gets Back to Work
Television News affiliate KING5 in Seattle is reporting that Bertha, the machine boring the State Route 99 tunnel under Seattle, resumed tunneling Tuesday after being shut down for more than a month due to safety concerns....
Thu January 21, 2016
Sinkhole Develops as Bertha Resumes Drilling
A problem-plagued tunnel project in Seattle is once again facing troubles, this time prompting the Washington governor to call a halt to the work. The design-build project is in line to replace the elevated double-deck Alaska Viaduct on SR 99 with a bored tunnel....
Thu January 14, 2016
Sinkhole Develops Near 'Bertha' Site
KomoNews is reporting that construction crews working on digging the waterfront tunnel have a new challenge on their hands after a sinkhole developed near the digging site. Crews had just resumed mining under the Seattle waterfront Tuesday evening when about two hours later, a sinkhole developed 35 feet north of the access pit....
Fri January 08, 2016
Massive Drill to Return to Work in Seattle
Bloomburg is reporting that after approximately 750 days after she first broke down, Bertha, the massive drill long stuck under Seattle's waterfront, is back to work. Five stories tall and the biggest of her kind, Bertha overheated in December 2013, about a ninth of the way into digging a tunnel for an underground expressway....
Lori Lovely - Fri August 21, 2015
While Bertha Rests, Work Continues On Seattle Tunnel
Work on the new tunnel under Seattle’s waterfront is on hold while Seattle Tunnel Partners repair damage to “Bertha,” the world’s largest-diameter tunneling machine named after Bertha Knight Landes, the first woman elected mayor of a major American city (Seattle) in 1926....
Wed May 20, 2015
Bertha Damage Much Worse than Expected
SEATTLE (AP) - Seattle Tunnel Partners finished disassembling Bertha, the world’s largest tunnel-boring machine, on Monday and said the damage the machine sustained when it broke down in December 2013 was more extensive than previously thought, which means they have to revise their schedule for when they will resume drilling....
Mon April 13, 2015
TT Technologies Offers Effective Trenchless Gas Line Splitting Methods
TT Technologies, Aurora, Ill., offers a wide range of plastic pipe splitting heads developed by working directly with gas utilities to create optimum splitting head configurations. The designs are capable of splitting and replacing plastic gas service and main lines from ½ to 4 in....
Wacker Neuson - Tue February 24, 2015
Wacker Neuson Offers Safer Trench Compaction Solution
Wacker Neuson is introducing a new and improved version of its RTx trench roller including the addition of a new engine option. The line-of-sight infrared remote control (SC3) not only offers a safer remote controlled trench roller compared to radio frequency controlled units; the RTx now comes with a third receiving eye on the top of unit which ensures continued smooth operation along the trench without interruption as it travels under shoring cross bars....
Mon February 02, 2015
National Trench Safety Announces New Lake Charles, La., Branch
National Trench Safety LLC (NTS), a Houston-based company specializing in the rental and sales of trench and traffic safety equipment, trench and traffic safety engineering, and OSHA-compliant training classes, announced the opening of a new branch operation in Lake Charles, La....
