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Tag: bertha
Bertha Service Area Improvements
2014-03-11 20:54:35| PortlandOnline
Tags: service
area
improvements
bertha
Seattle Tunneling Behemoth Bertha Awaits Repairs to Bearing Seals
2014-02-24 23:45:08| ENR.com: Headline News
Alaskan Way Viaduct project could be delayed for months.
Tags: seattle
bearing
repairs
seals
Lifting Bertha, the Worlds Largest Tunnel Boring Machine
2014-01-22 18:45:53| ENR.com: Headline News
Barnhart Crane & Rigging was charged with transporting the TBMs 41 individual piecesthe largest weighing 850 tonsfrom a freighter docked at the Port of Seattle and carefully lowering them into a launch hole.
Tags: machine
largest
worlds
boring
Divers Searching for Way To Get TBM 'Bertha' Moving Again
2013-12-13 20:25:33| ENR.com: Headline News
A hyperbaric divewhere the divers go through Berthas manlock system to compress them into the proper pressureallows them to get inside the plenum much sooner.
Tags: moving
searching
divers
bertha
Construction Week: Terex Sells Off-highway Truck Division, Big Bertha Stuck in Seattle and More
2013-12-11 17:35:50| ENR.com: Headline News
Large TBM stuck on Seattle highway project.
Tags: more
big
week
construction
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