Projects

Dunedin Airport Water Supply Project

Dunedin

Isaac Construction delivered the replacement of ageing water infrastructure at Dunedin International Airport.

Denniston Road Rehabilitation – Bundle 6

The Bundle 6 project was a technically complex undertaking, part of a series of emergency works funded by NZTA Waka Kotahi and Buller District Council. These works addressed severe flood damage across the Buller region caused by the July 2021 and February 2022 flooding events.

iReX enabling works

Picton

With new rail, terminal, and ferry transportation infrastructure commissioned to prepare the port for new ferries, Picton’s port required extensive civil construction enablement works. These key enabling work packages needed to be completed to facilitate the overall contract works.

Bridge 16

Canterbury

Bridge 16, situated on the Midland Line, has undergone essential upgrades to secure its structural integrity and operational reliability for years to come.

Retail Quarter Redevelopment

Dunedin Central

This award winning project involved significant upgrades to three waters services, utilities, pavements and streetscape works through George Street, spanning four city blocks, side streets and upgrades of five intersections.

Waihola Underpass

Waihola

This project was a complete contractor-led Design and Build project to create an underpass across SH1. Works included a temporary bypass for SH1 to enable an accelerated work programme.

66kV Bromley to Milton

Christchurch City

This award winning project involved installing 7.5km of new cable through some of Christchurch’s busiest roads and intersections. Working through residential and business areas required extensive stakeholder engagement to manage the high impacts of the long-term construction.

KiwiRail Bridge 52

West Coast

Bridge 52, located across Goat Creek in Otira on the West Coast, underwent a comprehensive rail beam replacement project as part of KiwiRail's structural upgrade initiative.

Bridge 13 Hoki Rail Beam Replacement

Taramakau River Rail Bridge

This project's contract works involved removing existing ageing timber circa 1900s rail beams and existing sleepers, replacing them with new steel rail beam trusses and new sleepers along the 222m long Taramakau River Rail Bridge (Bridge 13) on the Hokitika Line between Greymouth and Hokitika.