Multiplex tops out QIC's Collins Street tower

Multiplex tops out QIC's Collins Street tower
Multiplex tops out QIC's Collins Street tower

Global construction company Multiplex has topped out South Tower, the new 41-level office building in Melbourne’s CBD.

South Tower at 80 Collins Street is QIC’s $800 million mixed-use project. 

The 80 Collins precinct is owned by Dexus and Dexus Wholesale Property Fund following QIC’s divestment of the asset in May 2019.

The development project is being delivered by QIC GRE until completion.

The development is located at the 'Paris end', of Collins Street and is one of the largest in Melbourne.

The precinct comprises the new South Tower which will provide office space across circa 43,000 square metres, as well as major refurbishments to the North Tower, an existing 47 level A-grade office building, and construction of a 255-room boutique hotel.

The base building design has been undertaken by local architects Woods Bagot, with collaboration from Dutch firm UN Studio on the South Tower and hotel façades.

A 5,000 square metre retail precinct over a ground and podium level will link the hotel to the North and South Towers.

It will also connect three surrounding streets through a series of laneways to become a new prestigious Collins Street shopping destination.

The new South Tower features a faceted glass exterior cantilevering towards Collins Street, and the interior will feature flexible floor plates with the ability to create inter-floor links to allow occupants to engineer their space for collaboration and enhanced connectivity.

At 216 metres tall, 80 Collins boasts panoramic views across Melbourne.

“80 Collins is also one of the most complex builds we are currently delivering in Melbourne, with the new South Tower constructed to cantilever 12 metres over existing buildings on Collins Street,” said Graham Cottam, Regional Managing Director at Multiplex.

Around 550 workers are on-site every day and around 6,000 tonnes of structural steel and 50,000 cubic metres of concrete have been used to date.

Innovative construction methods include the introduction of a double-deck lifting system with a destination control system.

This system allows the development to achieve a Premium building rating and minimises the size of the core to maximise the net lettable area.

The new South Tower has a 6-star Green Star design rating and is targeting a 5 star NABERS Energy rating.

The building is also WELL ready to allow tenants to pursue further fitout certification.

ESD features include a chilled beam mechanical system to allow for passive temperature control as well as the inclusion of intuitive lighting control.

80 Collins is on track for completion in 2020.

Melbourne CBD Multiplex

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