One of the teams is a joint venture of three contractors with European ownership - Ferrovial, Acciona and BAM - while the other comprises Australian contractors John Holland and CPB (formerly Leighton Contractors) working with Italy’s Ghella.
The tender process began in April for the tunnel, which is described as Australia’s biggest public transport project (link opens in new tab).
The successful tenderer for the Sydney Metro City & Southwest Tunnel and Station Excavation contract will be responsible for carrying out the tunnelling and station excavations, including tunnelling from Chatswood, under Sydney Harbour and across the central business district.
“When Sydney Metro is extended into the CBD and beyond in 2024, there will be ultimate capacity for a metro train every two minutes in each direction under the city,” said New South Wales (NSW) minister for transport and infrastructure Andrew Constance.
The NSW Government expects to award the contract to build the tunnels around the middle of next year.
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