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Bolivar WWTP main pump station upgrade

The Bolivar Main Pump Station was constructed in 1964 and houses the Adelaide and Salisbury pumps, which pump 60% of Adelaide's wastewater into the Bolivar WWTP. The project was delivered via Early Contractor Involvement followed by a lump sum contract for the detailed design and construction work. The scope included refurbishment of a 50-year-old building, replacement of all pumps, pipework and valves, as well as the replacement of all electrical, control and SCADA systems. During the ECI process GO proposed an alternative pump and pipework layout that avoided the need for existing structural floors to be removed. This meant that the risk to the structural integrity of the building was removed, safety risk was reduced and SA Water saved $1.5 million. GO built a new electrical and control system independent of the existing one, allowing the old system to remain operational so that wastewater flows were not interrupted during the work.

“The alliance/relationship style contracts of which Guidera O'Connor have been a part, have resulted in successful projects delivered for SA Water. They have allowed designs to be modified to suit stakeholders, kept costs to a minimum and contributed to the development of a large pool of ECI experience in the South Australian Water Industry.” 
Kym Bowden Construction

Ravenswood pump station

This pump station was built to ensure effective and efficient distribution of water from WA's Southern Seawater Desalination Plant at Binningup to the Perth metropolitan water storages. It included separate pumping systems for the Tamworth and Dandalup regions. GO completed the detailed design, construction, testing and commissioning of all mechanical and electrical works which included 3 x 3400kW and 3 x 1600kW Pump Sets and associated high pressure pipework, valves, cooling water and electrical systems. The Water Corporation subsequently decided to expand the capacity of the pump station to cater for increased flows from the desalination plant and directly engaged GO to undertake the upgrade work. This involved the replacement of pumps, pipe manifolds, valves, motors, transformers and VSDs for four of the existing pump sets. All work was safely completed within the designated shutdown periods.