ArchMcD: Beam being lowered
ArchMcD: Ready to be lowered
ArchMcD: Cranes ready to lift
ArchMcD: Bridge beam
ArchMcD: One of two cranes
ArchMcD: The controls.
ArchMcD: 2nd counter weight
ArchMcD: 1st counter weight 5.2 tonne
ArchMcD: Counter weights being put in place
ArchMcD: Preparing to place 42.5 tonne of counter weight
ArchMcD: Setting up
ArchMcD: Ready to go