"Is it possible after the investigation's complete that you won't know what caused the building to collapse?" Alfonsi asked. Bell said if investigators discover anything that poses a danger to other buildings, they will reveal it immediately. ![]() Preliminary lab tests on building materials began in August. Investigators started scanning pieces of the debris into a massive 3D database last spring. ![]() We have- no such apparent cause- in Champlain Towers after well more than a year." The Miami warehouse where the remnants of Champlain Towers, 800 tons of it, are being stored "Sometimes in building failures, the immediate causes are relatively apparent. And this particular investigation I can say is one of the most complex and challenging that has ever been undertaken," Bell said. "I've been investigating failures for over 40 years. Glenn Bell was on the engineering team that investigated the collapse of the World Trade Center following the 9/11 attack and came out of retirement to try and solve the Surfside mystery. "Right now, we're pursuing about two dozen hypotheses about what the causes may have been," Bell said.Īmong the possibilities are shoddy construction, bad design, or faulty materials. "And the more that you put together, the more the pieces of the puzzle begin to emerge, and stories emerge."īut so far, Bell and his team haven't found any clear answers. "We have over 600 pieces of the structure that we're going to be doing a lot of testing on," Bell said. We have to get this right."īased on what's found, Bell's team will recommend any necessary changes to building codes or construction methods nationwide. "And the implications for our findings are huge. "I want them to know that we're working as fast as we can," Bell said. "A lot of people in Florida can't understand why this is taking as long as it is," Alfonsi said. ![]() And we're looking for that the fall of 2024." "Then we have to work on our report and recommendations. "Our timeline for this investigation was to finish our technical findings by the fall of 2023," Bell told Alfonsi. He spoke to 60 Minutes from the headquarters of the National Institute of Standards and Technology, the agency conducting the federal investigation. Glenn Bell is one of the team's lead investigators. They are now combing through the twisted steel and concrete for clues. The facility is off limits to anyone except federal investigators.
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