Wilkies and Dicksons Tank Augmentation
Wilkies and Dicksons Tank Augmentation
Pentland Hills, Vic
Project Duration >
December 2023 to July 2026
Client >
Greater Western Water
Project Value >
$ 2.2m
Construction of a new pump station to serve the Pentland Hills region to the west of Bacchus Marsh with the existing tanks decommissioned and demolished. Works include a new pump station building with buffer tank, booster pumps, chemical dosing and a 1.2km OD110 PE RM pipeline delivered under the Western Freeway along with customer connections.
key challenges
- Working with multiple stakeholders
- Challenges with various stakeholder approvals and permits
- Delays to approval of client initiated CHMP approval
key innovations
- Horizontal direction drilling under the Western Freeway instead of open cutting through the road, to reduce the impact to the freeway and local residences
- The use of a sleeve pipe for the freeway bore to reduce the chances of damage to critical infrastructure in the event of a leak
value for money
- Using HDD methods under the Western Freeway instead of open cutting through the road on the underpass


