Freyssinet Australia supported the ongoing safety and integrity of three historic Sydney water storages — Manly Dam, Killara Reservoir, and Centennial Park Reservoir — by delivering specialist post-tensioned anchor load testing and maintenance. These critical structures, some over a century old, rely on anchored walls for stability. Our works ensured the anchors maintained uniform load capacity, helping secure these vital assets under the Dam Safety Act 1978 and supporting their continued safe operation.

  • Customer/Owner:
    Roads and Maritime Services
  • Engineer
    Arcadis (Hyder Consulting)
  • Works period
    October 2017 - March 2018

Freyssinet Scope

  • Calibrated high-capacity load cells for precise anchor testing across all sites
  • Designed and fabricated custom threaded conversion rings for specific anchorages at Manly Dam
  • Conducted load testing of over 80 post-tensioned anchors at Manly Dam and Killara Reservoir
  • Performed confined space testing of a key test anchor at Centennial Park Reservoir
  • Sealed and reinstated anchor heads and caps using premium Denso Void Filler #2 and Denso Tape
  • Delivered all works with minimal disruption, ensuring compliance with strict safety and environmental standards

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