Map of Sir Adam Beck GS and the Tunnel Route
Cross-section of the tunnel
Big Becky just after she was assembled
A drill makes holes for the explosives
A ramp brings construction workers up to the tunnel ceiling
Big Becky's 14.44-metre cutterhead disappearing into the rock (Sept 2006)
TBM is about to go underground. Conveyor belt in lower left corner.
Robots spray shotcrete onto the rock to complete the tunnel lining