SST 17&18 Renewals

MWC - Eastern Treatment Plant
July 2018
October 2018
Construction - Project Management


There are 26 SST’s in use at the Eastern Treatment Plant (ETP) located in the south east of Melbourne, Victoria. Melbourne Water ordered a condition assessment report in June 2017 for providing recommendations on the remediation works to perform and their level of criticality to be completed.

Scope of Works

  • Replacement of existing floor and wall joint seals
  • Remediation works to the SST concrete walls
  • Minor repairs to damaged surface coatings of structural steel elements above the water level of the structure
All degraded concrete were hydro-blasted and protective coating applied before tanks were put back into operation.
Tank wall condition above and below water level showing extent of degradation of concrete.