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