Mudgeeraba WTP Sludge Handling Upgrade

About the project

Major upgrade to Mudgeeraba Water Treatment Plant to improve the existing sludge handling system to reduce the discharge of sludge to sewer and provide buffering capacity for high NTU events and chemical spills.

Key Capabilities

Sewerage & water reticulation; Water & wastewater treatment; Storage tanks

Project Location

Mudgeeraba, Queensland

Client Name


Project Duration

October 2015 – April 2016

Project Value

$1.3 Million

Project scope

The project consisted of the following works:

  • Full redesign from project award including design and construct new process system to include new supernatant return pumping station;
  • Install floating decant arms to backwash recovery tanks;
  • Construct new 6m concrete supernatant pumping station including piling works;
  • Install overflows to the environment;
  • Concrete refurbishment of backwash recovery tanks, including rake refurbishment;
  • Procure and install new floating decant pump to existing sludge storage tank
  • Decommission existing recirculation pond;
  • Procure and install all new instrumentation to allow new process to work efficiently.

Innovations & Highlights

  • Level of supernatent return pumping station raised to incorporate overflow to the sludge storage tank
  • Introduced new overflow pipework to environment from existing sludge storage tank to suit flows of plan