Team BFK

Western Tunnels Gallery


  • John Nally, Tunnels Superintendant in tunnel showing temporary tunnels services
  • Installing survey platform in tunnel
  • TBM rams pushing on newly erected ring
  • Concrete segment erector in operation
  • TBM maintenance: checking roller cutters for wear
  • California crossing to allow trains to pass each other
  • Newly built TBM ready for delivery from factory
  • California crossing ramp
  • Tunnel view
  • TBM rams pushing on last erected ring
  • Segment erector operator in action
  • Bolting invert plates
  • Loading segment feeder
  • TBM cutterhead maintenance
  • Bolting segments together
  • Fine positioning of segments
  • Placing side segment
  • Placing keystone
  • General tunnel view
  • Removing diaphragm wall section ahead of TBM
  • Entire tunnel team celebrating achievement of milestone in front of tunnel portal
  • Handling of segments within storage area