36: Big Dig

from Causality · host The Engineered Network

A series of concrete ceiling tiles in a tunnel portal collapsed on a moving car killing the passenger in downtown Boston in 2006. The selection of the epoxy used in the ceiling tile anchors was unusual and a failure to heed the warning signs were at odds on a huge project under pressure to deliver when already twice over time and five times over budget.With John Chidgey.Investigation Report: NTSB Report (PDF) Technical Links: Epoxy Tunnel Links of Potential Interest: Big Dig ceiling collapse Collapse of Big Dig Ceiling in Boston Is Tied to Glue Public demand for Big Dig accountability ‘Epoxy Creep’ Main Factor in Big Dig Ceiling Panel Collapse $28M settlement in fatal Big Dig Collapse Big Dig Ramp Reopens HNTB The Big Dig Tunnels and Bridges Support Causality on PatreonEpisode Gold Producer: 'r'.Episode Silver Producers: Mitch Biegler, John Whitlow, Kevin Koch, Oliver Steele, Hafthor and Shane O'Neill.With thanks to Sean for the topic suggestion.

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