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Seattle contractors devise alternative rescue for tunnel machine
Reuters SEATTLE (Reuters) – Contractors have created an alternative plan to extract the world’s largest tunnel-boring machine stalled deep underneath downtown Seattle if the faltering equipment cannot move itself to a rescue pit, transportation officials said … Plan B ready in case Bertha can’t grind 20 feet to open airThe Seattle Times Bertha could soon start spinning again beneath SeattleMyNorthwest.com The pit and Bertha: Key event in Seattle tunnel projectThe Columbian KING5.com all 27 news articles |
From:: Seattle News By Google News