Roofing panels, made and pre-cut interstate from blocks of polystyrene between two metal sheets, arrived on site in sea containers, the Public Transport Authority’s project manager Ben Amrom said last week.
Each panel is about 30cm thick and up to 9m long.
Once complete, the roof will cover about 2200sq m.
‘It is basically a sandwich panel (and) it is self-supporting,’ Mr Amrom said.
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On site, forklifts carry crates holding several panels to the main crane, which lifts them on to the steel beams criss-crossing the building, where they will be pieced together like Lego, according to Mr Amrom.
‘It is very light ” you only need two guys to lift one of these panels,’ he said.