A breakdown of the major cost increases was redacted from the document as commercial in confidence.
However, about $3 million more is required to cover increased property prices for land acquisitions, while an extra $5 million is needed to cover the cost of complex relocation work for water and gas mains, along with telecommunication and power lines.
The council has also expanded the scope of the project to the Moggill Road corridor upgrade, requesting an additional $1 million for the design of safety and capacity works including indented bus stops, road-widening and turning restrictions.
Cyclist safety improvements would also be considered. Council’s original plans showed cyclists would have to navigate a slip lane when crossing Moggill Road at the Coonan Street intersection.
Some surplus land was expected to be acquired by council’s investment arm, the City of Brisbane Investment Corporation, at the completion of the project.
In a statement last week, lord mayor Adrian Schrinner said a contract for the work was expected to be awarded within weeks. Major demolition of the former Audi dealership at the centre of the roundabout was expected to be the first step once asbestos removal has been done.
Responding to further questions on Tuesday, infrastructure committee chair Andrew Wines said council was confident the project would be completed within the allocated budget, but was hopeful of securing additional federal funding for the next stage of the Moggill Road corridor upgrades.
“Work has already commenced on identifying initiatives … between High Street and Russell Terrace that will best reduce congestion,” Cr Wines said.
“This LNP lord mayor has racked up a $60 million cost blowout before the project has even started, and Brisbane residents are picking up the tab,” Cr Cassidy said.
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