North Pine Water Treatment Plant Basin 2 Refurbishment

Key capabilities: Reservoir construction and refurbishment; Concrete remedial works
Project location: Joyner, Queensland
Client name: SEQWater
Project duration: September 2017
Project value: $0.439 Million

About the project

Refurbishment of the concrete lining of the Sediment Basin 2 at the North Pine Treatment Plant. As a result of deterioration it was necessary to completely remove the existing coating and replace with a new render coating.

As a result of the successful completion of works to Sediment Basin 2, Pensar was awarded the contract for the refurbishment of Sediment Basin 1.

Project scope

  • Isolation of half of the North Pine WTP raw water intake capacity
  • Substrate preparation with high pressure water blaster to remove existing render coating
  • Install of stair tower scaffold access and mobile platforms including electric EWP’s
  • Removal of rake arm from bridge scraper to allow a safe work zone
  • Application of 29,000 kg of render product to reline the basin concrete walls
  • Testing and commissioning including independent asset condition assessment
  • Reinstatement and commissioning of rake bridge scraper arm
  • Assist Seqwater to recommission basin

Innovations & highlights

Completion of project within the strict redirection schedule.

20 year warranty on render product and application.

Use of 18,000psi pressure cleaner to remove existing render coating.