ADCO Awarded $210m Defence Establishment Orchard Hills Guided Weapons Storage Project in Western Sydney

An exciting announcement with a landmark achievement for ADCO, securing the Guided Weapons Explosive Ordnance Storage Program (GWEOSP) at Defence Establishment Orchard Hills (DEOH) in Western Sydney.

This $210 project will be delivered over a 26-month period and marks a major milestone in our journey. It is a powerful demonstration of ADCO’s capability to deliver highly complex, high-security infrastructure.

The scope includes:

• 14 temperature-controlled, earth-covered buildings
• Extensive civil and infrastructure works
• Demolition, road networks, support buildings
• Security upgrades within a continuously operating Major Hazard Facility

Over the past 2 years, our People Who Build have worked tirelessly through design finalisation, stakeholder engagement, and detailed construction planning.

Now, we are excited to move into the delivery phase, bringing precision, safety, and excellence to every stage.