Works on Collins Arch Halted As Concerns Over Precast Columns Spark Investigation


Works on the Collins Arch project came to a halt last night, with engineers conducting an investigation after movement was detected in precast structural columns.

The situation is reminiscent of last year’s Opal Tower fiasco, with structural column movement proving to be a key issue in the troubled building.

In a statement issued late Tuesday evening, Multiplex along with consultant engineers 4D Workshop had little to share.

“A small number of minor column settlements have been identified on the 447 Collins Street project currently under construction,” the statement said.

“The builder, Multiplex, places the utmost importance on safety and quality and has already commenced a detailed investigation into the cause, with structural design engineers currently inspecting the columns. As a precaution, work has temporarily stopped while that investigation takes place.”

Image source: Multiplex

While it is unclear when work at the 447 Collins Street site will resume, a Multiplex spokeswoman said the company was not expecting “any lengthy delays.”

Speaking to the Australian Financial Review, 4D Workshop director Rob Di Blasi assured that any issues with the columns were minor. “There’s no issue with the structural integrity of the building.”

While Multiplex and developers CBUS Property and ISPT have remained tight-lipped, the potential issues with precast columns give momentum to growing calls for construction reform.

Each state is individually responsible for implementing these reforms; and the states declined an offer of Federal assistance by way of a task force in February. This task force was to work with the states, helping to implement 24 recommendations made in last year’s Building Confidence report by Peter Shergold and Bronwyn Weir.

The $1.25 billion Collins Arch project, nicknamed “Pantscraper” for the unique shape of its conjoined twin towers, is due for completion later this year.

Catch up on this week’s industry news – Anton Capital acquired Golden Age’s Spring Street Site; the Federal Budget delivered big wins for infrastructure; and Martin Monro will depart Watpac after 7 yers as CEO.

Header image source: Domain

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