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Next stage of Sydney Metro West underway

Sydney Metro West project

Production on the tunnelling segments has begun for the nine-kilometre twin tunnels from Sydney Olympic Park to Westmead for the Sydney Metro West Project.

Once complete, the Sydney Metro West project will be a 24-kilometre metro line with stations confirmed at Westmead, Parramatta, Sydney Olympic Park, North Strathfield, Burwood North, Five Dock, The Bays, Pyrmont and Hunter Street in the Sydney CBD. The upgrade is expected to link new communities to rail services and support employment growth and housing supply.


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More than 60,000 concrete segments are expected be produced to line the tunnels, and 3600 segments to line the spur tunnels, which will link trains with the Stabling and Maintenance Facility in Clyde.

The segments will be stored at the facility until they are ready to be transported to site and loaded onto a tunnel boring machine, which will install the segments to line the tunnel walls as it excavates. Six segments will be used to make up one ring around the tunnel.

The precast segments, each weighing approximately 3.8 tonnes, are produced in laser-cut moulds that are designed and customised based on the specific project requirements – expected to maintain quality and safety for years to come.

Approximately 100 workers will be on site at any one time to operate and maintain the facility which will operate 24 hours a day, seven days a week.

Sydney Metro West will double rail capacity between Greater Parramatta and the Sydney CBD, linking new communities to rail services and supporting employment growth and housing supply.

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