Green Square Stormwater Drainage Project

O’Halloran Management Services provided plant, equipment and labour to the project, in addition to excavation and drainage works.

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 connects from Link Road, Zetland to the existing stormwater canal in Alexandria to reduce flooding in the previous floodplain.


DG Alliance (UGL Engineering, Seymour Whyte)


Zetland, New South Wales