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February 11, 2014
SEATTLE (AP) — The contracting team hired to dig a highway tunnel under downtown Seattle told the Washington state Transportation Department on Monday evening that it will take months to fix broken seals on the world’s largest tunneling machine, the Transportation Department said.
Seattle Tunnel Partners is working with Hitachi Zosen, the machine’s manufacturer, to determine how best to fix the broken seals surrounding the main bearing of the machine called “Bertha,” which is 60 feet underground, Transportation officials said in a statement.
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