LSB Joint Venture to deliver M4-M5 WestConnex tunnel link in Australia


The state government of New South Wales (NSW), Australia has selected LSB Joint Venture, comprising Lendlease Engineering, Samsung C&T and Bouygues Construction, to build the mainline tunnel of the M4-M5 WestConnex tunnel Link.

Federal Minister for Urban Infrastructure and Cities Paul Fletcher said: “This is the crucial final piece of this transformational infrastructure project. WestConnex is delivering a skills legacy, with more than 10,000 direct and indirect jobs created over the life of the project.

“This will mean a quicker, safer and more reliable journey for commuters and 10,000 fewer trucks on Parramatta Road east of Concord.”

WestConnex Minister Stuart Ayres said: “This is a significant day for a project that will help thousands of motorists everyday by easing congestion on M4, M5 and Parramatta Road.

“The M4-M5 Link is the most important stage of WestConnex, providing a vital connection between two of Sydney’s busiest motorways. We are linking the New M4 at Haberfield with the New M5 at St Peters, creating a western bypass of the CBD.”

The M4-M5 Link, the final and critical component of WestConnex, features twin mainline tunnels between the New M4 at Haberfield and the New M5 at St Peters, along with associated ramps and supporting operational facilities.

Each tunnel will be 7.5km long and able to accommodate up to four lanes of traffic in each direction.

The $5.45bn M4-M5 Link project will include an interchange at Rozelle and have a provision for a future connection to the Western Harbour Tunnel and BeachesLink.

An underground tunnel will be constructed from the Rozelle Interchange to Victoria Road near Iron Cove Bridge, known as the ‘Iron Cove Link’.

Most part of the Rozelle interchange will be underground and located at the site of the old Rozelle Rail Yards.

Work on the M4-M5 Link will begin later in 2018.

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