Built in 1903, St Mary’s Anglican Church is a classic example of Gothic Revival architecture, featuring steep gables, buttressed walls, and lancet windows. In 2023, the historic structure required a targeted seismic strengthening upgrade to improve stability while maintaining its heritage fabric. Works included extending pad foundations, reinforcing buttresses with high‑tensile bars, and creating a rigid connection within the perimeter double‑leaf brick walls. Freyssinet NZ was engaged as the specialist subcontractor to deliver a full supply‑and‑install strengthening solution.

  • Customer/Owner:
    Taranaki Anglican Trust Board
  • Engineer
    SENZ Structural Engineers New Zealand
  • Works period
    April 2023 - July 2023

Freyssinet Scope

  • Installed 14 × 4 m, 26.5 mm diameter high‑tensile bars within perimeter brick walls
  • Grouted 1 m of each bar to form dead‑end anchorages
  • Stressed and fully grouted all bars upon completion
  • Supplied and installed 316‑grade stainless steel Mapei Helifix wall ties to stabilise double‑leaf brick walls
  • Provided corrosion protection through cementitious grout encapsulation and galvanised bearing plates and caps
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