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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.
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Category:Construction and Maintenance