Abernethy Road Upgrade


Abernethy Road Upgrade Earthworks, Roads, Drainage, Power, Water, Gas


Serpentine-Jarrahdale Shire

Consulting Engineer

Jacobs & Serling Consultants

Wormall Civil Project Management

Tinus Spangenberg

Wormall Civil Site Supervision

Jamie Strickland

Project Duration



Designed to create a safer, more accessible and less congested avenue into the Byford town centre, the project involves widening a 3.1km section of Abernethy Road to accommodate a four-fold increase in vehicle traffic by 2030.

Telecommunications services were installed late last year, while water and electrical service relocation remains on schedule. Wormal Civil is now focussed on above-ground works. Which began with construction of a roundabout and drainage systems near Kardan Boulevard, and with installation of a drainage culvert at Soldiers Road.

Shire President Cr Michelle Rich said the project was on track for completion later this year with the lengthy and complex task of relocating underground services largely complete.

“Residents will now really start to see the project take shape as work ramps up on the above-ground phase,” Cr Rich said.

“We’re really excited that the project is forging ahead because this is something the community desperately needs. By reducing congestion the road will become much safer for both motorists and pedestrians, while also making it easier for people to get to and from the Byford town centre. That will in turn help local business and contribute to the growth of a vibrant, thriving shopping precinct.”

The $19 million project is partly funded through contributions from the National Stronger Regions Fund, Main Roads WA and the Shire of Serpentine Jarrahdale.

Project Scope

Earthworks involved 3,600m3 of cut to fill and 8,000m3 of imported fill.

4.6km of streetlight power cable installed as part of the power reticulation system.

6km of drainage pipe including pipe sizes ranging from 300mm to 600mm diameter. The drainage works also involved the extension of existing drainage culverts under Abernethy Road near Soldiers Road under live traffic conditions including two large cast in-situ headwalls.

200m2 of rock pitching at drainage outlet structures. 36 Rain Gardens constructed along the edge of the road.

2 Large basins for stormwater along with 3 smaller access way basins along Abernethy Road were installed.

3.1km of dual carriageway roads with medians, including 5 new roundabouts. The roadworks involved the import of 15,000 tonnes of limestone and 20,000 tonnes of roadbase.

7km of footpath with width from 1.5m to 2.5m installed

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