Savcor completes cathodic protection works on the Brooklyn to Lara Pipeline
The Australian Pipeliner — October 2008
The construction of the new gas pipeline from the Brooklyn Compressor Station to the Lara City Gate, part of APA’s Victorian Transmission System, has recently been completed by Lucas Operations on behalf of APA Group with Savcor ART providing all corrosion protection services during construction.
The pipeline consists of approximately 58 km of 508 mm diameter pipeline coated with 600 microns of dual layer FBE. Savcor carried out the cathodic protection design and LFI/Fault Current mitigation design as well as the supply and installation of all components of the temporary sacrificial anode system and the permanent impressed current cathodic protection system (ICCP).
The project included a total of 44 new test points along the route, which parallels the existing gas main in some sections, as well as a number of foreign structure crossings.
The permanent anode groundbed is located approximately half way along the pipeline and has been designed to provide full protection to the pipeline for a minimum of 30 years.
Commissioning of the temporary sacrificial anode system was carried out as lengths of pipeline were installed, so that protection was provided as soon as the trench was backfilled.
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The permanent ICCP system is monitored through the SCADA system so that voltage and current outputs and pipeline potentials can be remotely monitored by the pipeline owner.
Savcor has successfully delivered this project through the provision of all cathodic and LFI/Fault Current services, ensuring that the key performance indicators were met throughout the construction activities.