Coomera Quays

  • Location - Coomera, QLD
  • Completion Date - October 2015
  • Value - $6.6 Million
  • Client - QM Properties

The Coomera Quays estate is a 54 lot, canal side development in the northern gold Coast area. SEE Civil undertook all earthworks and civil infrastructure construction for the development. The canals of Coomera Quays are man-made, SEE Civil undertook all construction including dredging, piling and revetment works.

Scope of Works

Marine-side earthworks including the excavation, treatment and reuse of around 75,000 cubic metres of acid sulfate soil material

  • Construction of canals including sheet piling, dredging and dewatering and construction of revetment walls in a marine environment
  • The revetment walls totalled around 850 metres of cast insitu concrete.
  • Construction of all internal roads and pavements for the 54 lot development (around 7000 square metres)
  • Construction of a 1.6 kilometre external water main including an approximately 800 metre duplication of an existing main.
  • Construction of approximately 1.2 kilometres of sewer infrastructure including both gravity and vacuum sewer systems.
  • Construction of bio retention devices
  • Road widening works for an external entry road


The Coomera Quays Estate included a man-made canal connecting to the Coomera River

 Construction of the canals meant all blocks in the prestige estate were waterfront

Canals had to be sheet piled, dewatered and dredged before revetment walls could be built with cast insitu concrete

Sheet piling was undertaken within the Coomera River

Revetment walls were cast insitu in a marine environment


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