December 2020 – April 2023


W2QP – Wiri to Quay Park

In 2020, KiwiRail awarded Downer the contract for Wiri to Quay Park ‘Third Main Line’ rail project (W2QP). The contract involves Downer undertaking all of the preparation works along the corridor prior to the installation of the new main. The purpose of the project is to improve the capacity and resilience of the Auckland rail network for both passengers and freight, and is comprised of four construction packages, Wiri and Westfield Junctions, Third Main installation (Puhinui to Middlemore), Middlemore Station and Quay Park Junction.

Our expert team were established to provide:

Excavation: We excel in excavation services, carefully removing earth and debris to create a new corridor. Our skilled operators utilise state-of-the-art machinery to ensure precise and accurate excavation, meeting specific project requirements.

New Corridor Formation: Our team follows industry standards and best practices to ensure the formation is robust, safe, and compliant with regulations.

Retaining Wall Construction: We have extensive expertise in building sturdy retaining walls that provide structural support and prevent soil erosion. Our team employs durable materials and proven construction techniques to deliver long-lasting and visually appealing retaining walls.

Environmental Controls: To safeguard the surrounding environment during construction, we prioritize the installation of effective environmental controls. Our team implements measures to control dust, noise, and sediment, minimizing the impact on neighboring areas and adhering to environmental regulations.

Drainage Systems: Efficient drainage is crucial for any construction project. Our professionals are well-versed in designing and installing drainage systems that effectively manage water runoff, preventing flooding and water damage. We ensure proper grading and installation of pipes, culverts, and other drainage components.

Quality and Safety: At our company, we prioritize quality craftsmanship and safety at every stage of the project. Our dedicated team undergoes rigorous training and follows strict safety protocols to ensure the well-being of our workers and the successful completion of your project.

Construction of Haul Roads

Subsoil excavation

Construction of subbase layers for new track

Installation for rail ballasts

Integration with the Client (Downer) and Kiwi Rail employees.