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Home » Keywords » Bertha

Items Tagged with 'Bertha'

ARTICLES

Broadway

The Construction Stories of 2019 for Washington, Oregon

Tim newcomb
Tim Newcomb
December 31, 2018
No Comments

Take a look at five of the larger stories to watch in Washington and Oregon in 2019.


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SR99onramp

State Route 99 Tunnel Official Opening Timetable Set for Early 2019

Tim newcomb
Tim Newcomb
September 18, 2018
No Comments

The long road to opening the State Route 99 tunnel under downtown Seattle finally has an official end in sight.


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Seattle’s Alaskan Way Viaduct Replacement Project

Seattle Tunnel Sees Progress as Lawsuits Move Ahead as Well

Tim newcomb
Tim Newcomb
February 14, 2018
No Comments

As Seattle’s Alaskan Way Viaduct Replacement Project heads toward a planned opening next year, Hitachi, the manufacturer of the 57.5-ft-dia tunnel-boring machine Bertha, has clarified its defense claims in the lawsuit and even shared its feelings about a snub it perceived at the breakthrough ceremony marking the progress of the work.


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TunnelFly

SR 99 Tunnel Fly-Through Video Shows Off Current Work Post-Bertha

Tim newcomb
Tim Newcomb
October 20, 2017
No Comments
Bertha made the tunnel, but now Seattle Tunnel Partners crews working on behalf of the Washington State Dept. of Transportation must turn that tunnel into a workable 1.7-mile double-decker roadway.
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BerthaFarewell

Farewell, Bertha, but your Tunnel Remains

Tim newcomb
Tim Newcomb
August 28, 2017
No Comments
For four years, Bertha, once the world’s largest tunnel-boring machine, came packed not only with 57.5-ft worth of diameter and over 8,000 tons of girth, but never-ending drama.
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BerthaCutter

Disassembly of Bertha Reaches Halfway Point

Tim newcomb
Tim Newcomb
July 17, 2017
No Comments
Bertha, the tunnel-boring machine that recently completed a 9,270-ft tunneling journey underneath downtown Seattle has reached the halfway point of another milestone: disassembly.
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BerthaOpen

Bertha’s Inner-Workings Exposed During Disassembly

Tim newcomb
Tim Newcomb
June 26, 2017
One Comment
For anyone wanting to get a peak under the shield of Bertha, the 57.5-ft-diameter tunnel-boring machine that dug a 1.7-mile tunnel under downtown Seattle, now is the time.
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BerthaCutterhead

VIDEO: Removal Ongoing of Bertha from Seattle Tunnel

Tim newcomb
Tim Newcomb
May 15, 2017
No Comments
It took years for Bertha, a tunnel-boring machine, to mine 1.7 miles underneath downtown Seattle, but crews will spend just five months removing the 57.5-ft-dia machine from the receiving pit near Seattle’s Space Needle.
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Bertha

TBM Bertha Completes 1.7-Mile Tunnel Bore in Seattle

Tim newcomb
Tim Newcomb
April 4, 2017
No Comments

Cross the finish line over two years late, the tunnel-boring machine Bertha completed it's 1.7-mile journey on April 4.


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Seattle’s ‘Bertha’ Pauses, Then Resumes Bore on Final Segment

March 15, 2017
No Comments

After a final, Feb. 28-March 6 maintenance stop, the world’s largest-diameter tunnel-boring machine has moved less than two blocks away from the disassembly pit in Seattle. TBM “Bertha,” churning a 1.7- mile-long tunnel for a state Route 99 replacement of the Alaskan Way Viaduct, required a stop less than 1,000 ft from the pit to confirm that the 57.5-ft-dia machine was 6 in. off course alignment.


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More Articles Tagged with 'Bertha'
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