Foundation Specialists

Parramatta Square 3

  • Grab works beside PSQ1.
    Grab works beside PSQ1.
  • Trench cutter in action
    Trench cutter in action
  • Desanding plant
    Desanding plant

Project Outline

Parramatta Square Stage 3 (PSQ3) is part of the 1PSQ development by Leighton Holdings and the Parramatta City Council. Construction of Stage 1 and 3 is underway and being constructed by John Holland Pty Ltd.

Scope of Works

Avopiling Australia was engaged by John Holland to mainly contruct the Diaphragm Wall system of Stage 3 and awarded the contract in November 2015. Prior to constructiion of the D-wall, 13Nos x 750mmØ  foundation piles have to be built for the ramp access leading to ongoing construction of 1PSQ and the removal of existing anchors along the proposed D-wall.

The D-wall is 111.00 meters long X 640mm wide and depths up to 14.00 meters. Construction of the diaphragm wall commenced in 29 February 2016.


Industry leading techniques and equipment

Our clients

  • Roads & Maritime
  • Department of Main Roads & Transport
  • Main Roads Western Australia
  • Lend Lease
  • Leighton
  • Thiess
  • Meriton
  • Queensland Urban Utilities
  • Transport for NSW
  • McConnell Dowell
  • OHL
  • Acciona Australia
  • Probuild
  • Brookfield Multiplex