Contractor: Fulton Hogan, Seymour Whyte JV
Project Details: 2017 – 2021

Tri Underground are proud to be a key supplier of solid wall conduits and pits to the Caloundra Road to Sunshine Motorway (CR2SM) project. This project was an innovative design that delivered the first diverging diamond interchange to Australia…

See More >

Petrie Roundabout Upgrade

Contractor: Ertech
Project Details: 2021 – Current

Supplying the underground pits, conduit, and concrete materials for the Electrical & ITS package of the Department of Transport and Main Roads’ Petrie Intersection Upgrade, Tri Underground are proud to support a local job. This project is transforming a large roundabout on the north side of Brisbane into a signalised T-intersection to ease congestion, reduce travel time and improve safety for all road users. @TMRQLD

Brays Road Upgrade

Contractor: G & H Civil
Project Details: 2021 – Current

This project provides as essential upgrade to the Moreton Bay Region that includes resurfacing roads, installation of new traffic signals and a roundabout. Tri Underground are proud to be supplying our own Main Roads pits and conduits onto this job.

Bribie Island Road Upgrade

Contractor: Trafflec
Project Details: 2020-2021

Supplying pits, bends and fittings to the Bribie Island Road upgrade, this upgrade provided essential infrastructure to the Moreton Bay Region.

Mackay Northern Access Upgrade (MNAU)

Contractor: CPB & Mi Electric
Project Details: 2020-2021

Carrying on from the previous successful supply of the Mackay Ring Road project, we got our chance to bring some innovation to this project. Working closely with CPB, we were able to design a custom Base Plate to suit Circular T60 pit that provided protection from the steep embankments for the pits that were installed at the bottom.

M1 Upgrade – Varsity lakes to Burleigh (VL2B)

Contractor: DM Roads
Project Details: 2020 – Current

Providing critical upgrades to the M1 on the Gold Coast Queensland, this job is widening the M1 to a minimum of 3 lanes in each direction. Tri are proud to supply conduits, pits, bends and fittings to this project across all of its stages.

Mackay Ring Round (MRR)

Contractor: CPB & Mi Electric
Project Details: 2018 – 2020

Designed to create a safer bypass for trucks passing through Mackay, Tri Underground supplied conduits, pits, bends and fittings to this site via semi loads.

Slow down for Sam & Wildlife Awareness Campaign

Contractor: Brisbane City Council
Project Details: 2019 – Current

Tri Underground are proud to support an ongoing speed awareness monitors ‘SAM’ introduced by Brisbane City Council. Working closely with the council we created a split TRI TUFF lid to fit around the base of the base for temporary installations. The program has been so successful Brisbane City Council are now introducing wildlife awareness monitors as well.

Auckland Road Upgrade

Tri Underground provide pits for the ongoing TSL works across New Zealand. These projects utilise our T60 pit and TRI TUFF Collar with TRI TUFF Composite cover with custom labelling.

Pacific Motorway (M1) – Oxenford Interchange (Exit 57) Upgrade

Contractor: Department of Transport and Main Roads
Project Details: 2019 - 2020

Upgrading a problematic exit intersection on the Gold Coast, Tri Underground worked directly with Department of Main Roads to supply Solid Wall conduits, pits, bends and fittings. Photo credit: Department of Transport and Main Roads

Greenacre Substation

Contractor: Multiworks
Project Details: 2018

We were able to assist with emergency bends required on the Greenacre Substation when the scope unexpectedly changed on site due to our onsite manufacturing capabilities in NSW. Tri Underground were able to turn these bends around in 1 business day so that works were not held up indefinitely.