AP — The deadly destruction of a Florida beachfront condominium actually started weeks before it collapsed into a pile of rubble in the middle of the night, killing 98 people in 2021, but the building had been vulnerable from the start, federal investigators found in a final report issued Monday.
The National Institute of Standards and Technology said in the report that two connections between garage columns and the pool deck started to fail around early June. The combination of a structure design that did not meet building codes and alterations made to it over its 40 years meant that the other parts of the pool deck weren’t strong enough to withstand the extra load, leading to the type of slow-motion collapse.
“When building structures are designed and built to required codes and standards, they have margins against failure, meaning they should be able to support much more load than they are expected to bear,” Judith Mitrani-Reiser, who co-led the investigation, said in a video accompanying the report. “In the case of Champlain Towers South, these margins against failure were too narrow from the start.”
The report underscores findings that have trickled in since the 12-story beachfront condominium catastrophe, which showcase weeks of building distress and deeper-seated problems.
Most residents were asleep when the building in the tiny town of Surfside, Florida, a few miles north of Miami, collapsed into a huge pile of rubble at 1:22 a.m. on June 24, 2021.
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The dead included members of the area’s large Orthodox Jewish community, along with the sister of Paraguay’s first lady, her family, and their nanny. A Miami judge approved a more than $1 billion settlement for personal injury and wrongful death claims from the disaster.
Coast Guard boats patrol in front of the partially collapsed Champlain Towers South condo building in Surfside, Florida, July 1, 2021. (Mark Humphrey/AP)
Harley Tropin, who represented the families of victims and survivors in a class-action lawsuit, declined to comment on the new report.
The structure didn’t meet the building codes in place at the time, and the building’s construction did not follow the design, including large planters being added on the pool deck, explained Mitrani-Reiser.
“In some locations, the design provided less than half of the code-required strength,” she said
Work done later around the pool, in which sand and pavers were added, further strained an “already structurally inadequate” system, she said. Meanwhile, reinforcing steel in the pool deck and street-level parking slabs was corroded in some areas, according to NIST.
Photos taken by people at the building in the weeks before the collapse show a long crack in a planter wall on the pool deck as well as cracks in the corner where the planter wall met a planter box, according to the NIST report. Less than a day before the collapse, that planter had detached from the pool deck.
About one week before the tower collapsed, water that had been leaking from a ceiling in the parking garage increased, according to NIST. A few hours before the destruction, one person interviewed by investigators described it as a “water faucet.”
People in the building described seeing the pool deck collapsing, “one bay at a time as if dominoes were falling in a sequential chain reaction,” said Mitrani-Reiser. Some said they felt a sudden wind in the lobby and others heard sounds like a “jet engine.”
The pool deck started falling minutes before two parts of the tower. A strong concrete wall helped to keep the destruction from completely spreading to the third section, according to NIST.
Furniture sits perched in the remains of apartments sheared in half in the still standing portion of the Champlain Towers South condo building in Surfside, Florida, July 2, 2021. (Mark Humphrey/AP)
The companies responsible for designing and building the original structure in the late 1970s are no longer in operation.
After the collapse, state legislators enacted a law in 2022 requiring condo associations to have sufficient reserves to cover major repairs. Some residents were caught off guard by hefty fees imposed to cover years of deferred maintenance expenses required to bring their buildings into compliance with the law’s standards. That led to another law providing condo associations and residents more flexibility in handling the costs.
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