Sydney Metro Northwest

Contact Us
/ 01

Project Details

Sydney Metro is Australia’s biggest public transport project, with a project value $15.5b. From the northwest, the metro rail is being extended under Sydney Harbour, through to the new underground city stations and beyond to the southwest. Sydney will have 31 metro railway stations and a 66km standalone metro railway system, revolutionizing the way Australia’s biggest city travels. 

Our Role

Case provided the main contractor John Holland CPB Ghella JV an Area Quality Manger to oversee the works at Barangaroo station and precinct. The works included were split into 3 main parts.

The Station includes excavation, temporary support, anchors waterproofing, permanent concrete cassette works. 

The Cross over Cavern includes the excavation of the temporary and cavern including temporary support, the permanent lining of the cross over cavern including waterproofing. And the TBM tunnels under the harbour include excavation using a slurry TBM, installation of concrete segments, excavation of cross passages and defect repairs and closeout.

New South Wales, AU
Project Value
AUD 15.5B
John Holland CPB Ghella JV
Contact Us
/ 04


  • Overall site quality assurance management
  • Inspections
  • Site auditing
  • Lot review and close out
  • Noncompliance management and defect management and close out.
  • Management of client and independent expectations and resolving of issues.
  • Managing the completion process for the site including redline markups, handover and work completion submissions.
linkedin facebook pinterest youtube rss twitter instagram facebook-blank rss-blank linkedin-blank pinterest youtube twitter instagram