Civil Siteworks

Contrax undertakes all aspects of civil construction associated with our specialist concrete projects. 

Complete siteworks include drainage, earthworks, retaining walls, base course, kerb and channel, concrete, asphalt, line marking, street furniture and soft landscaping.

Our experienced in-house team of more than 70 qualified staff deliver a wide range of civil siteworks construction projects. We own a wide range of plant and machinery including a fleet of diggers (1.7t – 14t), trucks including four-wheelers and six-wheelers (3t – 12t). Our diversified workforce has the ability to deliver every aspect of our projects in house without the need to subcontract any works.

Under a single project manager, Contrax can deliver the full scope of civil siteworks activities under a robust quality management system that ensures all project criteria are met and followed throughout the build process. Environmental and safety management form a critical part of our delivery model

Have a look at some of our case studies and projects.


With our wide range of earthworks expertise and specialist plant, the Contrax team can self-deliver earthworks of all sizes and specifications. With years of experience in civil works, our team can complete anything from basic house cuts through to larger sub-division level works and boutique custom projects such as backyard hockey turfs.


As part of our wider civil siteworks capability, Contrax has an experienced team of registered drainlayers delivering all aspects of civil, sub-division and commercial drainage to support our specialist concrete projects across greater Auckland. We offer stormwater, water, and wastewater drainage solutions in civil, commercial, and residential subdivision projects from greenfield sites to CBD and urban street work. Our expertise is backed by strong quality management systems and strict adherence to Health and Safety and environmental management processes. Contrax systems help our drainage teams to mitigate on-site risk and ensure a high standard of work is consistently upheld

Retaining Walls

Contrax is experienced in the construction of commercial retaining walls across the greater Auckland region. Whether your project specifies timber, concrete block, keystone, in-situ concrete, or mass block retaining wall construction, we can help. Backed by our wide range of diggers and plant we can offer a multitude of options when it comes to constructing walls in difficult-to access or challenging locations.

Roading / Carparks

Contrax carries out a range of civil road works as part of our streetscape, commercial and residential construction projects and our capabilities span all aspects of road and pavement construction. Our skilled team can complete entire projects from initial site cuts through to kerbing, drainage, and pavement construction. Paired with our ability to complete all concrete and soft landscaping Contrax is your ‘one stop shop’ for any roading/carpark project.

Medium to large-scale custom-concrete projects

Contrax is equally equipped to operate as head contractor or an expert sub-contractor delivering specialist concrete infrastructure, vertical construction and commercial projects ranging from around $500,000 to $5million in value.

Not your average contractor

Our specialist knowledge equips us to solve concrete construction challenges.
Contrax works in a partnership model with head contractors, clients and landscape architects to deliver their vision through a seamless construction process.

The skilled labour

At Contrax, we know that we’re only as good as the people we put on-site.  we have invested in building a large team of highly skilled tradespeople; concreters, pavers, carpenters, drainlayers, machine operators – supported by professional engineers, project managers and site supervisors.