North West Rail Line


The North West Rail Line (now renamed Sydney Metro Northwest) is a $1.15Bn contract involving the construction of 15km twin 6.6m dia tunnels between Bella Vista and Epping in Sydney’s Northwest.

Robert Bird Group provided temporary works engineering support for the Thiess-John Holland-Dragados Joint Venture. This included design and supervision of temporary works and construction engineering for construction compounds, shaft gantries, platforms, TBM guide and mount structures, portal temporary works, and an innovative solution for rotating the TBM at the end of it’s drive.

Transport for NSW
Thiess / John Holland / Dragados JV
Robert Bird Group
Temporary Works Engineering

Additional Information

Additional information is available for you to view regarding services and sectors RBG provide.


Robert Bird Group provide outstanding innovative and buildable structural design solutions in all sectors across the globe.


Robert Bird Group’s Civil Engineers provide engineering design services from concept and planning through detailed design on to construction and maintenance, with the potential for ongoing management and advice for the operating life of a project.


The infrastructure market is truly global – whilst each part of the globe has unique project demands, they all face similar challenges.


Safe and reliable rail services are vital for connecting our communities and industries. As our cities grow out and up, integrated multi-modal transport solutions are required to meet these growing demands

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