Unfortunately for its owners, Adelaide’s gusty winds got to it first.
“I was actually looking at it when it went boom… I’m working facing this way and bits went everywhere,” witness Ben said.
An internal coating of foam, built to give the structure strength, was left strewn across the area.
“It looked like someone smashed a polystyrene box and it went off in the wind, that’s basically it,” Ben said.
Erected just last week at Port Adelaide, the once-nearly-20-storey-tall structure now sits at ground level.
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“I’d have a guess and say maybe the wind got it, because I would say there was no product in there at the time,” Geoff Lobb, another witness, said.
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No one was injured during the collapse but firefighters were deployed to help secure the deflated dome.
The Hallett Group says an investigation into the dome’s failure will soon begin – and hopes to have it back up soon.