Intakes, pipelines and outfalls

McConnell Dowell delivers complex intake, outfall and pipeline infrastructure that enables the reliable movement of water and wastewater across urban, regional and marine environments. 

With expertise in large-diameter pipelines, ocean outfalls, submarine pipelines and trenchless construction, the company delivers innovative solutions that enhance network performance, resilience and environmental outcomes.

This capability is demonstrated through projects including the Army Bay Ocean Outfall, Ports of Auckland Outfall Upgrade, Napier Awatoto Outfall, Snells Algies Wastewater Pipe & Outfall and Fitzroy to Gladstone Pipeline. By combining innovative construction methodologies with operational certainty and a deep understanding of marine and underground environments, McConnell Dowell delivers critical water infrastructure that enhances water security and protects environmental values.