Freyssinet delivered remedial works to stabilise wind turbine foundations and install a long-term waterproofing solution, addressing movement, water ingress, and durability issues across multiple locations.

To ensure lasting performance and consistency across all sites, a carefully developed methodology was implemented. This included targeted excavation, structural inspection, precision coring for resin injection, and the application of a high-performance waterproofing system. All works were executed with minimal disruption to operations and in line with strict quality and safety standards.

  • General Contractor
    Freyssinet Australia Pty Ltd
  • Customer/Owner:
    Iberdrola Australia
  • Engineer
    N/A
  • Works period
    May 2019 - Ongoing

Freyssinet Scope

  • Excavation and removal of the existing concrete collar to expose the turbine foundation.
  • Precision drilling to locate and access cavities at the bottom flange of the steel column.
  • Injection of hydrophilic resin to fill voids and seal around the embedded can, reducing tower movement.
  • Installation of a new concrete collar to improve drainage and direct water away from the tower base.
  • Application of the Triflex Towersafe waterproofing system to protect the interface between steel and concrete.
  • Backfilling and compaction of the surrounding area.

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