One Sydney Harbour, Barangaroo — Duplex Stainless Steel Overflow Tank

Specialised Stainless Steel Fabrication for a Luxury Penthouse Installation

Emerald Fabrication partnered with Lendlease to design, fabricate, and install a custom duplex stainless steel overflow tank within a penthouse at One Sydney Harbour — one of Sydney’s most prestigious residential developments.

The tank was engineered to act as an overflow and water-recycling system for the penthouse swimming pool. requiring precise fabrication. material expertise. and seamless integration into a highly complex architectural environment.
Duplex stainless steel was selected for its exceptional corrosion resistance and strength. ensuring long-term performance in a moisture-rich, high-pressure system.

Our Expertise Applied

Duplex Stainless Steel Tank Fabrication
Custom-built tank constructed to exact engineering specifications, providing superior durability and corrosion resistance.

Precision Welding & Water-Tight Construction
Specialised welding techniques used to ensure structural integrity, water-tight seams, and long-term reliability under continuous load.

On-Site Installation in a Penthouse Environment
Carefully coordinated delivery and installation within a high-rise luxury apartment. navigating tight access and strict construction protocols.

Integration With Pool Systems
Tank positioned and fitted to work seamlessly with the penthouse swimming pool’s overflow and recycling system.

Premium Architectural and Mechanical Detailing
Attention to aesthetic presentation and functional accuracy within a high-end residential mechanical room.

Engineered for Luxury Residential Performance

High-end developments like One Sydney Harbour require fabrication solutions that deliver both engineering excellence and flawless execution.
The duplex stainless steel tank was designed to withstand chemical exposure, moisture, and continuous operation while maintaining structural stability and reliability.

Our fabrication and installation processes ensured the system would operate efficiently and safely for many years.

Why Choose Emerald Fabrication

• Expertise in duplex stainless steel and specialised tank fabrication

• High-precision welding for water-tight, heavy-duty applications

• Proven capability working within luxury and high-rise environments

• Seamless coordination with hydraulic, mechanical, and building teams

• Durable. corrosion-resistant solutions built for long-term performance

A Complex Installation Delivered With Precision

Working alongside Lendlease, Emerald Fabrication successfully delivered a technically complex stainless steel tank installation within one of Sydney’s most exclusive residences.
The result is a reliable, high-performance overflow system that supports the luxury pool design and meets the strict quality expectations of the One Sydney Harbour development.