sydney tunnel boring

Sydney tunnel boring breakthrough a record feat

  Two tunnel boring machines (TBMs) have broken through a rock wall to arrive at Five Dock Metro Station in Sydney, claiming the title as the first TBMs in the southern hemisphere to complete a double breakthrough. The TBMs are powering ahead to build twin 24-kilometre metro tunnels between Westmead and the Sydney CBD as part of the Sydney Metro West project. Read More
airport tunnelling

Tunnelling and turning towards Western Sydney Airport

  Tunnelling is powering ahead to construct the 23-kilometre Western Sydney Airport metro alignment in Greater Western Sydney. Tunnel boring machines (TBMs) Eileen and Peggy are building the two 5.5km southern tunnels from Airport Business Park to the Aerotropolis and are respectively 1.8 and 1.5km into their journey. Read More