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After a cathodic protection system has been installed, it should be checked periodically to ensure that the equipment is functioning correctly and that the protected structure is being maintained at the required potential.

Changes may occur due to causes such as deterioration of coatings, changes of resistivity with seasonal rainfall, changes in the resistance of groundbeds, anode wastage, anodes pasivation etc.

During design and construction, monitoring facilities shall be installed or test locations shall be assigned that represent the various parts of the structure and cover the worst-case situation. Monitoring facilities may vary with structure type and are further described for each cathodic protection application


Test Post
Permanent Monitoring System

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