Barrambie Way New Pressure Main & M&E Upgrade

Civcon's largest project to date: 14.2km of new wastewater pressure main and a major pump station upgrade at Barrambie Way for the Water Corporation.

Client

Water Corporation

Location

Ellenbrook WA

Status

Completed 2026

The project

Project overview

Civcon has been engaged by the Water Corporation to install a new wastewater pressure main and undertake upgrade works at the Barrambie Way Wastewater Pump Station (WWPS) to support continued growth within the City of Swan and City of Wanneroo. The project involves the installation of 14.2km of wastewater pipeline, made up of 6 km of single pipeline and 8.2 km of dual wastewater pipeline, along with mechanical and electrical upgrades at the Barrambie Way WWPS. The upgrades will increase the pump station’s capacity from 158 L/s to between 270 and 360 L/s to meet the growing demand.

Scope of works

Bulk earthworks, excavation and ground shaping
Controlled fill placement and compaction
Construction of working platforms for temporary and permanent works
Management and treatment of unsuitable materials (including acid sulphate soils)
Dewatering and ground stabilisation in variable ground conditions
Road reserve reinstatement in accordance with MRWA and LGA requirements
Excavation, trenching, backfilling, compaction, and site restoration
Supply and installation of approximately 14.2 km of HDPE pipelines and associated valves and fittings, including 5.1 km of DN900PE pipeline and 9.1 km of DN630PE dual pipeline
Removal and disposal of existing DN150 PE reticulation main (approx. 730m)
Construction of six section valve stations which includes 28 x automated DN600 gate valves
Pipeline pressure testing
Mechanical, civil, structural, instrumentation and control (I&C), SCADA, and electrical works associated with the pressure main connecting Barrambie Way WWPS to the Gnangara Branch Sewer
Mechanical and electrical upgrades at Barrambie Way WWPS to accommodate increased flow rates
Installation of the HV substation
Relocation and installation of additional dry well pumps
Full bypass pipeline to allow for the pump station to remain operational while works continue
Major micro-tunnelling works at Gnangara Road, Mirrabooka Avenue and Hartman Drive, with GRP jacking pipe drilled beneath major trunk mains and HV services

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Call the office08 6500 1388

Email

civconwa@civconwa.com.au

Head office

Ground Floor, 91 Havelock Street
West Perth WA 6005

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