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Bankstown CBD stormwater upgrade

The rapid growth of Bankstown CBD, driven by major commercial and transport developments (such as Western Sydney University, Sydney Metro and Bankstown Central shopping centre), means that our existing stormwater network needed to be upgraded.

Completed

Where

View map
The Appian Way & North Terrace
Bankstown NSW 2200

Status

Completed
Overview of project
Our previous stormwater network only had capacity for a one-in-five-year flood. Intense rainfall events could cause high-risk flooding along The Appian Way and North Terrace, affecting properties, roads and pavements.
 
This project was designed to upgrade the stormwater network to accommodate a one-in-a-hundred-year flood event – a twenty-fold increase on current capacity. This was done by increasing drainage capacity under the road surfaces of North Terrace, The Appian Way and The Mall, using pipes and culverts. 
 
Construction work was carried out over 18 months in stages to minimise impact on the community, requiring road closures for a few months at a time, with diversions in place.  
 
This new stormwater network will futureproof Bankstown CBD from heavy rainfall events and pave the way for the Bankstown Complete Streets Project.
Plan of works

The work was carried out in stages. Some stages overlapped and different roads were closed for different periods. Work was carried out from Monday to Friday from 7am-5pm and some Saturdays between 8am and 4pm. Night works was required at times and carried out between 8pm and 5am. 

StageCommencement date​Completion date
1Late January 2024November 2024
2November 2024May 2025
3May 2025July 2025
Stage 1
During most of Stage 1 (late January to November 2024), North Terrace was closed to traffic from the West Terrace underpass to the junction of the Appian Way. During this period, the North Terrace entrance/exit to Bankstown Central car park was not available. 
 
Stage 2

During most of Stage 2 (mid-November 2024 to early May 2025), there was excavation and installation of culverts, followed by surface works including paths and road resurfacing. 

The Appian Way was closed to traffic from North Terrace to The Mall. North Terrace was open between the West Terrace underpass and the train station. 

During this time there was reduced parking next to the work site.

Stage 3

During most of Stage 3 (May 2025 - July 2025) there was excavation and installation of culverts, followed by surface works including paths and road resurfacing. The Mall was closed from the corner of The Appian Way to the corner of Jacob Street. Pedestrians were still be able to cross The Mall at designated locations and there was reduced parking next to the work site. The Appian Way was open to eastbound traffic only. The bus stop on The Mall was temporarily relocated to the corner of Chapel Road and The Mall. The temporary roundabout at the corner of Jacob St and The Mall remained to provide access to the car park in Bankstown Central.

Contact us
York Wang | Project Officer (02)97078175