Passive Fire Protection For An Historic Building
Contractor: Icon
The Indigo Hotel and Apartments project was an exciting challenge for the Passive Fire NZ team as it was a 41-storey tower with a Class B heritage-listed façade dating back to 1912. Our operation required careful planning and execution to meet stringent New Zealand passive fire protection standards while preserving historical authenticity for contractor Ninety Four Feet.
The architectural vision for the building focused on retaining the historic façade while introducing a reinforced concrete core, post-tensioned floor slabs and a curtain wall system sitting atop large diameter, deep bored concrete piles, which required advanced passive fire solutions.
With 225 hotel rooms, 30 luxury apartments and multiple hospitality spaces, fire protection in this mixed-use development needed to meet strict fire rating requirements.
Passive Fire NZ implemented fire-resistant sealing systems to maintain fire compartmentalisation, intumescent coatings to protect structural steel and exposed elements and ensured Heritage-compliant fireproofing materials were used to blend with original architecture.
Situated on a tight Auckland site with a small building footprint, surrounded by other historic, landmark buildings such as St Patrick’s Cathedral, Passive Fire NZ technicians worked seamlessly with all sub-contractors on the job to execute superior quality passive fire solutions and best-practice conservation techniques that aligns with New Zealand Building Code (C/AS2) regulations.
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