To find all the Seattle Bertha Tour information you are interested in, please take a look at the links below.
Alaskan Way Viaduct - Follow Bertha
http://www.wsdot.wa.gov/Projects/Viaduct/About/followbertha
An abbreviated history of Bertha: July 2013: Began tunneling; April 2017: Tunneling breakthrough; August 2017: Final piece of dismantled machine removed . While Bertha was underground, this page tracked her progress beneath Seattle. With the machine dismantled and removed, we are now tracking tunnel progress on a new page.
Fascinating Tour of the Bertha Tunneling Site - Review of ...
https://tripadvisor.com/ShowUserReviews-g60878-d6700456-r270649540-Milepost_31-Seattle_Washington.html
Milepost 31: Fascinating Tour of the Bertha Tunneling Site - See 19 traveler reviews, 6 candid photos, and great deals for Seattle, WA, at Tripadvisor.5/5
Alaskan Way Viaduct - Milepost 31
http://www.wsdot.wa.gov/Projects/Viaduct/Milepost31
The model of the tunneling machine Bertha was a favorite display among tour groups. The center served as the starting point for both walking and bike tours. The center highlighted the people and projects that shaped the land that became Pioneer Square, and provided an inside look at the SR 99 Tunnel Project.
A 360 video tour of Bertha and Seattle’s SR 99 tunnel ...
https://www.youtube.com/watch?v=jOhpnR5L4jU
Mar 09, 2017 · A 360 video tour of Bertha and Seattle’s SR 99 tunnel wsdot. Loading... Unsubscribe from wsdot? ... Underneath Seattle: Steering Bertha - Duration: 3:37. wsdot 63,862 views.Author: wsdot
Who Killed Bertha? Why the Seattle Tunnel Disaster Isn't ...
https://www.seattlebusinessmag.com/policy/who-killed-bertha-why-seattle-tunnel-disaster-isnt-what-it-seems-and-why-wsdot-making
Bertha’s in heavy rotation (above): A giant red crane slowly rotates the SR 99 tunneling machine’s front end from a horizontal to a vertical position as it is lowered into the access pit on Aug. 24, 2015, two years after the incident occurred. This story follows our feature story, "Spin Zone," which appeared in the October 2017 issue of Seattle Business magazine.
Bertha The Seattle Times
https://www.seattletimes.com/category/bertha/www.seattletimes.com/category/bertha/
Bertha. Read more about the technical challenges and rising costs of the Highway 99 tunnel project, and the successes and travails of Bertha, the biggest-ever boring machine.
Hard grind: The epic journey of the world's biggest tunnel ...
https://newatlas.com/bertha-boring-machine-seattle/48862/
Bertha's journey started not in Seattle, but in Nisqually, Washington, about 60 mi (100 km) south of Seattle. On February 28, 2001 at 10:54 am, the rural community was the epicenter of a magnitude ...
Bertha (tunnel boring machine) - Wikipedia
https://en.wikipedia.org/wiki/Bertha_(tunnel_boring_machine)
Bertha was designed and manufactured by Hitachi Zosen Sakai Works of Osaka, Japan, and is the world's largest earth pressure balance tunnel boring machine, at a cutterhead diameter of 57.5 feet (17.5 m) across. The machine was 326 feet (99 m) long and weighed 6,700 short tons (6,100 t). The machine itself cost $80 million and is owned by Seattle Tunnel Partners, the project contractors.
What luck: We dithered so long, Bertha ... - The Seattle Times
https://www.seattletimes.com/seattle-news/what-luck-we-dithered-so-long-berthas-tunnel-now-makes-more-sense/
Apr 04, 2017 · We’ve been debating variations of Bertha’s tunnel under downtown for so long — since 2001— that Seattle is a much different city now than when this project was first conceived.
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