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Yarra River Sewer Crossing

Client: John Holland
Capabilities: Construction, Sheet Piling, Pipelines
Region: Melbourne (Victoria)
Completed: February 2011

The project consisted of replacing the Melbourne Main Sewer, from Port Melbourne to Docklands. The river crossing was installed inside a wet cofferdam in three stages to minimise disruption to river traffic. The pipe was installed underwater in 5m, 10m and 20m sections. Sheet pile cofferdams were installed at each end to allow access shafts to be constructed

The works included:

  • Construction of 380 meters of sheet pile wall 21m deep,
  • Excavation of the Coode Island silt river bed to 15m depth,
  • Installation of 54 steel tube support piles cut off at the bottom of the excavation,
  • Installation of 45 tonne concrete headstocks and weight collars using drivers,
  • Installation of a 2.4m diameter pipe in 50 tonne sections underwater 11 metres below the Yarra River.
Yarra River Sewer Crossing
Yarra River Sewer Crossing
Yarra River Sewer Crossing
Yarra River Sewer Crossing

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