Brisbane Aquifer WTP's (bcaa Alliance)

Client:

Brisbane Water

Location:

5 surburban Brisbane sites, Queensland

Service:

Water treatment

Capacity:

20 ML/d total

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:

Groundwater extraction, treatment and pumping into water supply mains at five Brisbane surburban sites. 

Benefits:

Supplementary supply of high quality drinking water to consumers in times of low traditional water source reserves.   

Product:

Borefield pumping stations, aeration, direct filtration and disinfection treatment equipment. 

Completion Date:

December 2007

Contact:

Mark Aitken - Aquatec Maxcon

Aquatec Maxcon provided all civil, mechanical and electrical/control works for the complete water treatment plant sites located at Sunnybank, Runcorn, Algester, Chandler and Forest Lake. Each site comprised of the following main elements:

• Borefield pumping stations and reticulation to respective WTP sites.
• Aeration tower (forced draught) for CO2 gas stripping and pH control.
• Pre treatment chemical dosing including pre caustic soda, coagulant (if required) and pre sodium hypochlorite (if required for treatment of manganese, in conjunction with manganese oxide coated filter media process).
• Pressure filtration equipment (self backwashing design) including automated control valving and monitoring instrumentation.
• Post treatment chemical dosing including post caustic soda, chloramination (disinfection) and calcium chloride (treated water stabilisation).
• 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 Enoggera DAF WTP(2008) upgrade project.
• Kalkie DAFF WTP (2007) design and construct
• Ararat DAFF WTP Grampians Water (2000), 200 L/s