The brave bold crew of our Tunnel Boring Machine (TBM) going where no-one has gone before includes experienced Parisian-born engineer Marine Barthomuef (26).
The TBM is excavating two 1.6-kilometre-long tunnels from Mt Eden to central Auckland and connects with the tunnels already built from Britomart Station.
The TBM has three jobs underground: excavating the tunnels, removing dirt and rocks to the surface, and installing precast concrete panels that will line the tunnel walls. It will take about nine months to excavate each tunnel.
At peak operation, the TBM can travel 32 metres a day. The TBM works 24/7, operated by a crew of 12 underground.
