Meet our Delivery Driver, Dave

Our delivery driver Dave has been with Tri Underground for 17 years now and during his time with us, has delivered to some pretty remote locations & clocked up more km’s on his truck than most. To celebrate his time with us we asked him to write a bit about his time with us and […]

Another new product offering from Tri Underground Australia

With technology evolving faster than ever, requirements can change just as quickly. This can pose challenges for both manufacturers and contractors. One challenge was with a change in fibre optic cable, prompting the need for larger pits in the QLD DTMR network, as the minimum bend radius of the new cable didn’t suit the current […]

BASF Collaborates with Tri Underground to Design New Generation Pits Lids

Circular Pit

*Article written by BASF When walking around busy city streets, we often spend a lot of time looking up and around, but do you ever stop and thinking about what lies beneath? The team at TRI Underground Australia, a family-owned Australian company operating out of Brisbane, Sydney and Melbourne spend more time than most pondering […]

QLD Main Roads Updates to Solid Wall Conduit

News Article - QLD Main Roads Updates to Solid Wall Conduit

MRTS91 Conduit and Pits July 2020 Technical Specification saw a big change for the conduit supply into the Queensland Main Roads network. Previously allowing all Heavy Duty (HD) rigid UPVC by approved suppliers into the network, Queensland Main Roads made a major change to exclusively using only conduits made of Solid Plain Wall type construction. […]

Major Project Win for Tri Underground

Tri Underground were proud to successfully secure a contract for the supply of pits package for the Caloundra Road to Sunshine Motorway upgrade completed by the Fulton Hogan, Seymour Whyte Joint Venture (FHSW JV). This project involved upgrading the Bruce Highway between Caloundra and Sunshine Motorway on Queensland’s Sunshine Coast to 6 lanes and creating […]

QLD Main Roads Updates to Pit Covers

manhole image

MRTS91 Conduit and Pits November 2019 Technical Specification made a major change to the types of Pits Covers that are allowed to be used within the network. Previously only Class B steel lids coated in the TMR approved Insulated & Antislip Paint that were batch approved could be used within the network.  Now, with this […]

A Kangaroo’s Tick of Approval

Australian made pit and lid

Tri Underground has always been proudly Australian made & owned and now we are starting to be able to show it. You may begin to notice on a number of our items that we are starting to display the registered Australian made tick. It’s a large focus of the directors at Tri Underground that we […]

QLD Main Roads MRTS91 Updates

New Article - QLD Main Roads MRTS91 Updates

Not currently subscribed to MRTS91 Conduit and Pits Technical Specification updates? Find the latest industry update here that outlines changes made to the materials and installation process of Electrical and ITS items supplied into the Main Roads Network.