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Site establishment work will continue at The Bays Station site during March (2023).

The main activities will include station box excavation, tunnel boring machine assembly, utility installation work along Robert Street and acoustic shed installation.

In July 2021, Sydney Metro awarded Acciona Construction and Ferrovial Construction the contract to deliver 11 kilometres of twin metro rail tunnels between Sydney Olympic Park and The Bays.

At The Bays these works include:

site establishment and demolition

excavating the station box

to a depth of 30 metres (approximately 10 storeys)

launching two tunnel boring machines from the excavated station box

providing tunnelling support

storage of excavated material, ventilation, grout batching and water treatment

removing excavated material via trucks.

Eastern Tunnelling Package

In November 2022, Sydney Metro awarded John Holland Ghella Joint Venture (JCG) the contract to deliver 3.5 kilometres of metro rail tunnels under Sydney Harbour between The Bays and the Sydney CBD, as well as the excavation of Pyrmont and Hunter Street stations.

These works at The Bays include:

site establishment

concreting works, installing tunnelling infrastructure and equipment

launching two tunnel boring machines from the existing excavated station box and tunnelling to Hunter Street

providing tunnelling support

storage of excavated material, ventilation, grout batching, slurry treatment to separate the water from the excavated material, water treatment

removing excavated material via trucks

excavating and lining cross passages in the tunnels and concreting works for the tunnel inverts between The Bays and Pyrmont

demobilising tunnelling infrastructure on Project completion