Resizing some 20 augers which are 3 m long .The outside diameter had to be reduced to 910 mm in size. A special jig was built to cut the outside diameter down with a plasma cutter. Many of the drive flanges also had to be replaced and drilled so they could match each other.
Heavy and bulky these augers were put in a special jig to make sure the outer diameter was spot on 910 mm.
Adrian inspecting flanges that need attention.
Auger boring machine that drives the above augers.