Update as promised, Truss now nearly completed.
pic 1, One of the massive cranes being assembled.
pic 2, When you have trouble getting a piece of truss to budge.
pic 3, You use this and a bloody big hammer.
pic 4, Sorry for the poor quality forgot to get a close up but some of the delay could be down to the fact they have a lot of steelwork to clean up and paint/repaint