The MLC Centre, an iconic Sydney skyscraper designed by renowned architect Harry Seidler and completed in 1978, was once the tallest reinforced concrete structure in the world. Over time, elements of its façade had deteriorated, prompting the joint owners, GPT RE Ltd and QIC Ltd, to commission a major restoration to extend its design life by 40 years. Freyssinet was engaged to deliver specialist façade assessment, repair, protection, and maintenance planning, ensuring the building’s structural integrity, durability, and aesthetic appearance are preserved for decades to come.

  • Customer/Owner:
    GPT GE Ltd & QIC Ltd
  • Engineer
    Aecon
  • Works period
    December 2011 - April 2018

Freyssinet Scope

  • Comprehensive condition assessment of the external façade and identification of repair requirements
  • Design and implementation of repair solutions to restore strength, durability, and structural performance
  • Restoration of the building’s aesthetic appearance
  • Development of a long-term maintenance plan for a 40-year extended design life
  • Installation of a hybrid cathodic protection system on repaired spandrel panels, with lifetime monitoring
  • Execution of 24/7 construction works split into day and night shifts, minimising noise and disruption
  • Design and installation of a bespoke façade access system, offering:

    • Independent lift and work platforms for uninterrupted operations

    • Fully encapsulated work zones for maximum safety, dust control, and noise reduction

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