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In a recent pipeline anode retrofit study, AIE conducted a thorough review where the historical Cathodic Protection (CP) conditions were analysed in comparison with the current CP conditions. The study was concluded with a 15-year anode requirement for the exposed surface of the pipeline.

Key Project Outcomes Included recommendations on:

• Potential shift in CP Potential following the historical and latest survey comparison
• Current condition of pipelines (bare metal area and burials)
• Number of anode sleds required for each pipeline
• Anode spacing and installation location
• Prioritised list of pipelines for anode retrofit installation
• Recommendations on CP retrofitting campaigns
• Anode retrofit maintenance strategy

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