Elanora and Merrimac Clarifiers Upgrade

About the project

Pensar have been engaged to upgrade the mechanical and coating systems of four secondary clarifiers at Merrimac Wastewater Treatment Plant and three secondary clarifiers at Elanora Wastewater Treatment Plant, extending the service life of each.

Key Capabilities

Condition assessment and reporting, Application of specialist coatings.

Project Location

Gold Coast, Queensland

Client Name

Liquitek Pty Ltd

Project Duration

May 2020 - May 2022

Project scope

  • Condition assessments on each asset
  • HP water blasting
  • Epoxy and PU crack injection
  • Concrete repair
  • Joint sealant removal and replacement
  • Application of Epimax protective coatings


  • Works to the launders are being conducted via a static line with a fall restraint
  • Epoxy applications are being completed in the late afternoon and evening to mitigate substrate temperature and climatic conditions


  • Each upgraded clarifier will have an independent condition assessment to ensure the scope of works is tailored to the requirement of the assets current condition
  • Protective coatings are being spray applied to ensure a consistent film build and to assist in timely application