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Warragamba Dam – Still Going Strong


More than a year after being awarded the contract from the Sydney Catchment Authority (SCA) for the complete upgrade of Warragamba Dam’s electrical infrastructure, major progress has been made with this $20 million project.

The upgrade of the HV/LV reticulation has been completed as has the communications voice and data systems around the dam. The upper and lower dam main switchboards have also been replaced.

ODG has commenced replacing the lighting and power systems within the dam’s extensive service galleries contained inside the dam walls. The extent of these works can be seen by the fact that there is 6.5km of underground walkways and tunnels which need to be negotiated daily.

Also completed is the replacement of the dam’s ventilation system and installation of a new fire detection system. In addition to this, new instrumentation and new SCADA and PLC systems, plus a new security and communications system have been completed.

During the design process ODG provided alternative designs for the HV, LV and lighting systems which resulted in both cost savings to the client and allowed for more efficient operation and maintenance. The project is scheduled for completion in June 2008.

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