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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 360-degree view inside Bertha and construction of the SR 99 tunnel
The Washington State Department of Transportation (WSDOT) has created a video featuring 360-degree views inside the SR 99 tunnel ...
Bertha stopped after veering off course in home stretch of Seattle’s SR 99 tunnel
Seattle Tunnel Partners (STP) stopped Bertha, the largest tunnel boring machine in the world, on Feb. 28 to make ...
Year in Review: The Biggest Construction Equipment News Stories of 2016
While everyone has their sights on ConExpo in March, it might be easy to overlook what a busy year ...
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Connected Keypad Adds Security to Job Sites
Ask anyone in the construction business how confident they feel leaving their equipment on job sites, and you’ll probably get…
The engineering behind the new earthquake-proof bridge near Seattle’s SR99 tunnel project
The bridge being built near the south entrance of the tunnel for the State Route 99 project under Seattle is designed ...
Bertha pushes past halfway point of tunneling for Washington’s SR 99
Bertha, the largest tunnel-boring machine in the world, has made it past the halfway point of its 9,270-foot journey ...
Bertha’s repairs push Seattle’s SR99 tunnel $200 million over budget. And it could get worse
Following two years of costly repairs and downtime, Bertha, the world's largest tunnel boring machine, is $223 million over ...
As Bertha visits the dentist, a look at how this machine digs and builds the SR99 tunnel at the same time (VIDEO)
Bertha, the world's largest and perhaps most beleaguered tunnel boring machine, has been halted deep below the streets of Seattle ...
Bertha will soon begin digging below the viaduct its path will replace
The world's largest tunneling machine will soon begin its dig beneath the Alaskan Way Viaduct in Seattle, its first ...
Bertha back to drilling after suspension is “conditionally lifted”
Bertha hasn't been blessed with the best of luck in Seattle, but the world's largest tunnel boring machine is back to ...
Washington governor halts Bertha tunneling after sinkhole forms
Bertha didn't get back to work for long. Washington Gov. Jay Inslee has put the brakes on the massive tunnel boring ...
Bertha breaks through repair wall and begins tunneling soil once more (VIDEO)
It's taken two years in repairs and delays, but Bertha has broken through her concrete repair pit. The Washington State Department of ...
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Cummins developing fully-electric powertrain: “We are not just a diesel company”
U.S.-made, Cat-powered Monterra 4×4/6×6 cabovers are reset Army trucks aimed at construction
ELD Mandate: As contractors scramble to comply with electronic logging, others may be in for “rude awakening”
Ryobi cooler doubles as a portable air conditioner
VIDEO: Excavator tag team lifts people to safety across flooding river
Small trench, big disaster
GO TO SAFETY WATCH
ELD Mandate: As contractors scramble to comply with electronic logging, others ...
by Equipment World Staff
JCB’s 16C-1, 18Z-1 and 19C-1 mini excavators bring new designs, lots ...
by Wayne Grayson
Test Drive: Volvo’s new VNR tractor with 38 tons of concrete ...
by Jason Cannon
Cat tax whistleblower could get IRS reward of $600 million
by Wayne Grayson
The I-85 collapse and the push of Accelerated Bridge Construction techniques ...
by Chris Hill
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