Client:

Brisbane Water (BWEA Alliance)

Location:

Wynnum, QLD

Service:

Wastewater treatment

Value:

AUD $130 M

Completion Date:

2006

The Brisbane Water Enviro Alliance was a pure alliance project involving a series of plant upgrades to four of Brisbane Wastewater Treatment centres. Key features of the project were:

• Biological Nutrient Removal (to N5) upgrade of the Sandgate WWTP (25 ML per day) involving the brown field construction of two oxidation ditches, three clarifiers, dewatering system, disinfection system, creek outfall diffuser and control building ($54 million).
• Biological Nutrient Removal (to N5) (70 ML per day) upgrade of the Oxley WWTP involving the brown field construction of an inlet works two oxidation ditches, five clarifiers, dewatering system, disinfection system and control building ($96 million).
• Upgrade the existing Wacol Treatment plant to achieve a total Nitrogen of 5 mg per litre. 
• Design and construct of the CAMBI thermo hydrolysis plant and hazardous area upgrade to the existing digesters ($25 million).
• Design and Construct the new Wynnum Wastewater Treatment plant (9 ML/day) ($21 million).

Design and Construction of the new Wynnum MFRO plant to recycle water to Caltex ($32 million). All of the reporting and management systems were as per the BCAA project. Aquatec Maxcon was responsible for the process design, mechanical and control of the membrane treatment system. The Wynnum Project was completed in September 2007.