Enoggera WTP Upgrade (bcaa Alliance)

Client:

Brisbane Water

Location:

Enoggera, Queensland

Service:

Water treatment

Capacity:

6.0 ML/d

Value:

AUD $120 M (total alliance project value)

Problems:

As part of Brisbane Water's emergency drought management measures, supplementary water supply sources were sought. 

Solutions:

Upgrade and bring the existing Enoggera WTP (previously DAF/slow sand filtration technology back into service. 

Benefits:

Supplementary supply of high quality drinking water to consumers.   

Product:

DAF upgrade and automation, pressure filter station, chemical dosing, disinfection and waste handling equipment. 

Completion Date:

December 2008

Contact:

Mark Aitken - Aquatec Maxcon

Aquatec Maxcon provided all civil, mechanical and electrical/control works for the complete upgrade of the Enoggera Water Treatment Plant which comprised of the following main elements:

• Pre treatment chemical dosing systems for caustic soda, alum and polymer (coagulant aid)
• Dissolved air flotation (DAF) upgrade equipment including float skimmers, float spray bars, recycle pumping, air saturation and dispersion equipment
• Flow balance tank and filter feed pumps
• Pressure filtration equipment (self backwashing design) including automated control valving and monitoring instrumentation.
• Post treatment chemical dosing including post caustic soda and chloramination (disinfection).
• Treated water storage tank and pump station to Brisbane Water water mains.
• Wastewater handling system including washwater holding tank and transfer facilities.
• Electrical and control works complete.

Other related projects:

• Coffs Harbour DAFF WTP (2009) ,42 ML/d design capacity
• Mt Beauty DAFF WTP (2010) design and construct
• bcaa Aquifer WTP (2007) alliance project
• Kalkie DAFF WTP (2007) design and construct
• Ararat DAFF WTP Grampians Water (2000), 200 L/s