Maroochydore Sewage Treatment Plant, Queensland
The Maroochydore Sewage Treatment Plant Upgrade was a principal capital project in the Maroochy Shire Council's 'River Recovery Project' to improve water quality discharging to the Maroochy River, and provide class A water for local recycling. The project team, in alliance, was responsible for the design, construction, commissioning, performance proving and operations support activities for the project.
FEATURES:
- improved the treatment capacity of the plant to 34 ML/day average dry weather flow (128,000 EP)
- upgrade of treated water quality to meet a load based licence requiring discharge concentrations of total Nitrogen 3mg/L and total Phosphorous 1mg/L
- provided a new biological reactor and flow balancing system
- upgraded the inlet works with new screening equipment
- provided a new and upgraded chemical handling plant
- augmented the the biosolids treatment and dewatering plant including the provision of solar dryers and targets for biosolids reuse
- replaclement of the plant control system featuring new SCADA and PLC systems
- implemented an Ebb Tide Discharge to the Maroochy River
- rolled out of a detailed operator training and support program
- implemented a communications program to include and inform stakeholders of project impact progress and outcomes
BENEFITS:
- project work delivery using an Alliance model focussed on superior team performance created a culture for growth and enjoyment
- improved quality performance to the point where plant release are no longer the focus for discussions on river health
- created the opportunity for future recycling and reduced river discharge
- public acceptance of the value of high performance treatment plants in protecting river health
- a robust reliable and flexible plant that is safe, and 'user friendly' now and into the future
CLIENT: Maroochy Shire Council & Maroochy Water Services
AWARDS:
- 2006 Best Specific Environmental Initiative Award, won by our client - Maroochy Shire Council
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