Excellence
People-Centric
Solutions-Driven

O’Brien Civil is a civil and structural engineering company delivering safe, reliable, quality-driven earthworks, drainage, structural and road construction works to the government, private infrastructure, mining & resources, and energy transition sectors of Western Australia, Queensland and the Northern Territory.

As a solutions-driven organisation committed to excellence in everything we do, O’Brien Civil’s skilled construction teams are equipped with the leadership, resources, and training necessary to ensure on-time, value-driven deliveries on all our projects.

Our people-centric commitment extends to our clients and partners, ensuring strong respectful relationships that drive mutual success and satisfaction across our diverse business ecosystem.

O’Brien Civil is also a fully ISO accredited business, where our focus on high quality, safe and sustainable solutions has fast established us a trusted partner to clients seeking excellence in the delivery of civil and structural infrastructure.

Our Services

Effective and efficient water management installations to prevent long-term flooding and erosion.
All types of earthworks, from site preparation through to excavation and grading.
High-quality, durable concrete works including foundations, slabs, pavements and FRP works.
Marine environment constructions such as wharves, jetties, seawalls, and other coastal structures.
Haul roads and access tracks to local & regional road upgrades including pavement construction, sealing and asphalting.
Reliable and cost-effective High-Density Polyethylene (HDPE) linings and pipework installations for environmental containment and fluid transportation.
Repair and maintenance of complex infrastructure assets under all types of environmental conditions.
Full-service contractor to the mining and resources industry including roads, drainage, FRP concrete works, and tailings dams and more.
We have an extensive fleet of plant and equipment available for deployment throughout WA.

Projects

Earthworks
OCEAN REEF MARINA DEVELOPMENT CIVIL WORKS
Drainage
OCEAN REEF MARINA DEVELOPMENT CIVIL WORKS
Concrete Works
OCEAN REEF MARINA DEVELOPMENT CIVIL WORKS
Drainage
YANCHEP RAIL EXTENSION STORMWATER DRAINAGE CONSTRUCTION
Pipework
YANCHEP RAIL EXTENSION STORMWATER DRAINAGE CONSTRUCTION
Concrete Works
YANCHEP RAIL EXTENSION STORMWATER DRAINAGE CONSTRUCTION
Earthworks
YANCHEP RAIL EXTENSION STORMWATER DRAINAGE CONSTRUCTION
Civil Works
QUINDANNING MINE ENABLING WORKS
Concrete Works
QUINDANNING MINE ENABLING WORKS
Drainage
QUINDANNING MINE ENABLING WORKS
Road Construction
LIWARA CAR PARK CONSTRUCTION
Drainage
LIWARA CAR PARK CONSTRUCTION
Earthworks
LIWARA CAR PARK CONSTRUCTION
Drainage
YANCHEP RAIL EXTENSION STORMWATER DRAINAGE CONSTRUCTION
Pipework
YANCHEP RAIL EXTENSION STORMWATER DRAINAGE CONSTRUCTION
Concrete Works
YANCHEP RAIL EXTENSION STORMWATER DRAINAGE CONSTRUCTION
Earthworks
YANCHEP RAIL EXTENSION STORMWATER DRAINAGE CONSTRUCTION
Ocean Reef Marina Development Civil Works Ocean Reef Marina Development Civil Works Ocean Reef Marina Development Civil Works Yanchep Rail Extension Stormwater Drainage Construction Yanchep Rail Extension Stormwater Drainage Construction Yanchep Rail Extension Stormwater Drainage Construction Yanchep Rail Extension Stormwater Drainage Construction Quindanning Mine Enabling Works Quindanning Mine Enabling Works Quindanning Mine Enabling Works Liwara Car Park Construction - Mitchell Freeway Southbound Widening Liwara Car Park Construction - Mitchell Freeway Southbound Widening Liwara Car Park Construction - Mitchell Freeway Southbound Widening

O’Brien Civil Core Value, Excellence

“We strive for the highest standards in everything we do. Excellence encompasses integrity, accountability, and a strong work ethic, ensuring we consistently deliver quality and take responsibility for our actions.”

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