Ariella Stage 9 Deep Sewer

Benang installed common trench services at Ariella Stage 9, including 280 metres of deep sewer main, with full testing and commissioning completed between November 2019 and January 2020.

Sector: Utilities
Services: Water
Location: WA
Dates: November 2019 to January 2020

Challenge
Deep sewer construction in a common trench means managing deep excavation safely while coordinating multiple services through the one corridor.
Approach
Benang installed the common trench services, including 280 metres of deep sewer main, then tested and commissioned the network in full.
Outcome
The works were completed with 30 per cent Aboriginal participation, zero lost time injuries, and zero environmental incidents.