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Bertha | Equipment World | Construction Equipment, News and Information | Heavy Construction Equipment
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VIDEO: Final piece of Bertha removed from Seattle’s SR 99 tunnel
The last piece of Bertha, the world’s largest tunneling machine, has been removed from Seattle’s SR 99 tunnel, marking ...
Bertha is half disassembled, cutterhead completely removed (VIDEO)
Bertha, the world’s largest tunnel boring machine at 8,000 tons, has been half disassembled by Seattle Tunnel Partners and ...
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 ...
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Presented By: Kubota
2017 Market Trends: Skid Steers, Compact Track Loaders
Features to look for on compact track loaders Manufacturers have been making improvements on their undercarriages to extend the life…
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 ...
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 ...
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