Reinforced concrete is the most common building material in water and wastewater treatment facilities. It is very common to see unprotected concrete in severely corrosive environments or corroding reinforcing steel that has been exposed due to construction defects or coating failures. The decision to coat new and existing concrete structures can be very difficult for owners due to the cost, turn-around times for putting structures back into service, and lack of confidence in certain protective coatings. This paper will review some of the service environments and data that can prompt an owner to protect their structures with coatings and linings.

Subject
Steel structures, Coating inspection, Steel surfaces, Protective coatings, Water, Coatings, Rebar, Aqueous environments, Concrete surfaces, Water and wastewater, Corrosion protection, Chlorides, Concrete
Keywords:
Water treatment, wastewater treatment, secondary containment, biogenic corrosion, condition assessment
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2020
Association for Materials Protection and Performance (AMPP)
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