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HomeNewsProject RelatedVideo: Simulation View of Washington SR 99 Bored Tunnel (Alaskan Way Viaduct Replacement)

Video: Simulation View of Washington SR 99 Bored Tunnel (Alaskan Way Viaduct Replacement)

March 24, 2010 rockman Project Related Comments Off on Video: Simulation View of Washington SR 99 Bored Tunnel (Alaskan Way Viaduct Replacement)

A nifty BIM-type view of the proposed bored tunnel for Washington SR 99, the tunnel to replace the aging Alaskan Way Viaduct along Seattle’s waterfront. It’s pretty neat to see the piles and foundations for other structures and major utilities as the bore passes by them. A little on the longer size, at around 5 minutes.

Conceptual Plan for Excavation to Repair Bertha TBM

April 10, 2014 rockman Project Related Comments Off on Conceptual Plan for Excavation to Repair Bertha TBM

Seattle Tunnel Partners has released a conceptual plan showing what the excavation of the pit will look like to repair the damaged Bertha Tunnel Boring Machine. See below. A pit 120 feet deep and 83 […]

Bertha Demo Period Done, Resumes Mining

March 15, 2016 rockman Project Related Comments Off on Bertha Demo Period Done, Resumes Mining

The Bertha tunnel boring machine has resumed chewing away beneath Seattle after a ‘suspension for cause’ order from WSDOT shut it down in January following two safety incidents. The BTM began tunneling with some conditions […]

Bertha TBM Gets Spare Parts

June 14, 2015 rockman Project Related Comments Off on Bertha TBM Gets Spare Parts

The Bertha TBM just received a shipment of spare parts to repair the giant tunneling machine. The manufacturer decided to redesign the seal system to make it easier to access from the inside, if necessary. […]

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Related Articles

Conceptual Plan for Excavation to Repair Bertha TBM

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Bertha Demo Period Done, Resumes Mining

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Bertha TBM Gets Spare Parts

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