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VIDEO: Bertha sees daylight, finishes 1.7-mile boring work for SR 99 tunnel
Sixty-four years after the Alaskan Way Viaduct was first opened to traffic, Bertha, the world’s largest tunnel boring machine, ...
VIDEO: A drone’s-eye view of Bertha’s work inside Washington’s SR 99 tunnel
Bertha, the largest tunnel-boring machine in the world, is back at work once again and tunneling below the Alaskan ...
Damage to Big Bertha worse than previously thought
Now that crews are well into the process of dismantling her front-end for necessary repairs, it's clear that damage ...
PHOTOS: Big Bertha’s 2,000-ton front end lifted to the surface. How the world’s largest tunneler was raised
After a year of slumber and almost a month after chewing her way into a 12-story repair pit, Big Bertha, ...
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Construction News: 5 Boom Cities of 2017
It's shaping up to be a big year in construction for New York City, Chicago, Los Angeles, San Francisco and Seattle. Here's the good construction news.
PHOTOS: Fixing Bertha: How workers dug a 12-story pit to raise world’s largest tunnel boring machine from the dead
No. 8 Story in 2015 « No. 9 No. 7 » The Big Bertha saga recently received a major update: ...
VIDEO: Watch time-lapse of Highway 99 construction
The Washington State Department of Transportation was kind enough to release the following time-lapse video of construction on Highway ...
Camera gives a live view of construction on Big Bertha’s 12-story repair access pit
Just because Big Bertha is down for nearly a year, that doesn't mean work around the world's largest tunnel ...
Tunnel-boring machine Big Bertha moves forward 2 feet in test run to see if blockage is fully removed
After nearly two months of downtime caused by a steel pipe stuck in her teeth, Big Bertha, the world's ...
A steel pipe is what brought Big Bertha, the world’s largest tunnel-boring machine, to a halt
The mystery is solved—in part at least. After Big Bertha, the world's largest tunnel-boring machine, was brought to an abrupt ...
No. 6 in 2013: Big Bertha digs in before being stopped in her tracks
There's been a lot of excitement this year about the world's largest tunnel boring machine. Named "Big Bertha," she ...
Unstoppable Force, Immovable Object: Seattle’s Big Bertha halted by mystery object
Has Big Bertha met her match? She has, at least for the time being. The world's largest tunnel-boring machine was ...
Cat takes on Yeti with a rugged, insulated jobsite cooler
VIDEO: Large crane collapses while hoisting section of viaduct
Volvo unveils the EX2: First fully electric compact excavator prototype is faster, quieter
Excavator operator uncovers one of the best preserved dinosaur fossils ever found (VIDEO)
Ford details F-150 redesign: 2018 refresh features Super Duty styling, customer feedback
Dragged to his death: How to prevent chipper accidents
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Contractor of the year
Building a life and legacy are 2017 Contractor of the Year ...
by Wayne Grayson
Ford unveils 2018 F-650, F-750 with improved handling, braking
by Jason Cannon
The Pro-Handler is a skid steer with an extendible wheelbase, telescoping ...
by Tom Jackson
Workhorse W-15 electric pickup unveiled: Gas engine backup, half ownership cost ...
by Tom Quimby
Caterpillar acquires Yard Club, a contractor-to-contractor equipment rental service
by Wayne Grayson
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