South Channel Dredging

Navigational Channel Maintenance,
River and Waterways,
Coastal Protection/Beach Nourishment.


Gold Coast Waterways Authority


Gold Coast Seaway/Wavebreak Island, Gold Coast Queensland

Channel maintenance Dredging in the South Channel and South Wavebreak Island Channel

Overview of Project

Neumann Dredging were engaged by the Gold Coast Waterways Authority for complete maintenance dredging works for the dredging of the South Channel and South Wavebreak Island Channel, on the Gold Coast, Queensland.

Scope of Works

  • The works involved the dredging the nominated shallow areas of the primary South Navigation Channel and the secondary South Wavebreak Island Channel.
  • A total of 42,400m3 was removed from the channels. There was 32,000m3 to be dredged from the South Channel in between the Seaway and Wavebreak Island. 8,700m3 from the South Wavebreak Island Channel and a further 1,700m3 from the South Channel adjacent to the Spit Finger.
  • The sand was used to re-nourish eroded areas of beach on Wavebreak Island and also on the Spit Finger.

The Nu Endeavour is a 450mm Cutter Suction Dredge It is 34.78m long and has a maximum digging depth of 15m. It has a total power of 1,454KW (1,500hp) and has the capacity of pumping up to 650m3 of sand per hour up to a distance of 1,000m.


  • Dredging in a busy waterway, while maintaining boating access at all times.
  • Dredging in the Seaway Channel under conditions of high swell
  • Strict environmental guidelines,
  • Managing beach nourishment works around busy dive areas.

South Channel Dredging Project Image Gallery

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