NorthLink 2

Great Northern Connect

Malaga, WA

Scope of Work

Dowsing were awarded the supply and installation of Slipform Concrete barriers for the entire NorthLink 2 project.

  • 5,401 Lm of TL4 Slipform Barrier – 70mm & 120mm Embedment
  • 10,376 Lm of TL5 Slipform Barrier – 70mm & 120mm Embedment
  • 147 x TL4/5 Approach/Departure Terminals & various transitions


This was the largest slipform barrier scope Dowsing had undertaken to at the time. Throughout the program, Dowsing was able to achieve 200Lm pours on consecutive days as well as constructing three individual barriers in the same day.


April 2018 – March 2019

m3 of Concreete
Lineal Metres
Project Man hours