Hunter Expressway is an infrastructure road and bridge project starting from F3 to Branxton. The remarkable sections of the project is the BW011 twin bridges or Viaduct 3 and Viaduct 1 that runs through Sugarloaf Range. Piles are uniquely designed as influenced by a potential mine subsidence movement in the area. Series of bridges were constructed at around Buchanan Interchange
Scope of Works
Avopiling was awarded by the alliance to undertake the piling works at F3 interchange, retaining walls, noise walls and various bridge towards Buchanan. CFA piling commenced at Theiss' casting yard, then bored piling from F3 to Buchanan Interchange.