First of two computer-controlled concrete mixers arrives

The mighty machine is prepared for action

2½ hours of continuous heavy work commences

Bob (left) assesses progress, pouring the main bed

Keith guides concrete flow around the cylinder bolts

The outboard bearing plinth starts to fill

Dave J (front, centre) guides the chute while David P (with face shield) directs filling

Strenuous work, directing and vibrating air from the concrete