https://youtu.be/2INrz2u9-sQ
nice timeline and animation
bottom line - garage deck fell - damaged some columns - columns
finally crumbled and brought down building
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question - why didnt fire alarm system activate?
question - why didnt someone pull a fire alarm?
question - did people really hear noises 24 hours or 30 minutes before collapse?
didnt anyone hear 30 car alarms going off?
big big big question - which I have asked since the beginning - if
there are multi layers of structural integrity in the building - how
and why did this collapse progress to such a significant degree?
could bad concrete be a systemic big issue here?
note - final photo after debris removed - no evidence of a sinkhole or
subsidence under the garage slab
shouldnt the building / garage have survived the loss of 2 or 3 columns?
I suppose if you add up - possible bad concrete + water infiltration
+ poor joints + badly poured concrete + overloaded roof + salt air +
previous hurricane force winds + bad design + maybe bad rebar - then
you get a mess
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