Ellerslie Noisewalls

Client

NZTA / Fulton Hogan John Holland JV

Scope

Roading
Complex Structures

Partners

Resolve Group, GHD, Preco, Parallax, Treescape, Natural Habitats
This project involved the construction of 400m of 3m-high precast concrete noise walls along Auckland’s SH1 southbound motorway, between Findlay and Cawley Streets.

The scope included motorway widening, installation of TL5 precast barriers, motorway drainage, service relocations, extensive tree clearance, and landscaping. Working in a high-traffic environment, we managed complex traffic staging, night-time precast panel installation, and strict environmental controls to protect local vegetation and mitigate runoff contamination.

We took on full project management responsibilities, delivering the works in a live motorway environment while managing evolving design requirements. We successfully implemented an alternative fibre-reinforced ground beam design, reducing the construction period and improving efficiency.

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