Structural Integrity (Rebroadcast)
from 99% Invisible Hosted by SiriusXM Podcasts and Roman Mars
When the (0:43) 601 Lexington / Citicorp Tower was completed in 1977, the 59-story skyscraper had a potentially fatal flaw that could have caused it to collapse in a severe storm. Once engineers realized the danger, they launched a secret emergency repair operation, welding through the night while evacuation plans and weather monitoring were quietly put in place. Subscribe to SiriusXM Podcasts+ to listen to new episodes of 99% Invisible ad-free and a whole week early. Start a free trial now on Apple Podcasts or by visiting siriusxm.com/podcastsplus.
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What this episode covers
The Citicorp Center, now known as 601 Lexington Avenue, nearly became an engineering disaster until a hidden flaw was caught just in time.
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