Green Square Stormwater Drainage Project

Project Profile:

In a partnership with the City of Sydney, the DG Alliance Green Square Stormwater Drainage Project involves the construction of a 2.4km underground stormwater drain that connect from Link Road, Zetland to the existing stormwater canal in Alexandria to reduce flooding in the previous floodplain.

Client: DG Alliance (UGL Engineering, Seymour Whyte)

Location: New South Wales

Duration: 2015 – 2019

Status: Current

Value: $87M

Scope of works

The Green Square Stormwater Drainage Project works include:

  • Construction of the 2.4km underground stormwater drain from Zetland to Alexandria
  • Replacement of the Huntley Street Bridge
  • Renewal of the area surrounding the Alexandria Canal for public use

O’Halloran Management Services Engagement

During the project, O’Halloran Management Services has worked under the safety policies and protocols of both the DG Alliance, UGL Engineering, Seymour Whyte and Sydney Water.

O’Halloran management services provided:

  • 4ton – 25ton Excavators
  • Skid Steer Plant
  • Non-Destructive Excavation
  • Specialised Trucks including;
    • Flat Bed
    • Tipper Trucks (including Side Tip)
    • Crane Trucks
    • Bogies
  • 12ton Multi-Tip Dumpers
  • Balloon Tyre Dumpers