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Every day a new specification comes out naming coating manufacturers reps as performers of Coating Inspection duties on projects. These often include multiple scheduled job site visit commitments and having the manufacturers rep sign off on inspection hold points. I know that in some instances this is due to old outdated engineer and owners’ specifications where this stipulation has been in the documents for years and no one ever bothered to remove it, even though they may agree with me on this point.
Every day a new specification comes out naming coating manufacturers reps as performers of Coating Inspection duties on projects. These often include multiple scheduled job site visit commitments and having the manufacturers rep sign off on inspection hold points. I know that in some instances this is due to old outdated engineer and owners’ specifications where this stipulation has been in the documents for years and no one ever bothered to remove it, even though they may agree with me on this point. Still many people do not fully understand the issues created when Coating manufacturers reps are tasked with being a coating inspector on a project. The intent of this paper is to share my thoughts on both the necessity of using coating inspection on all coating & lining projects, as well as providing insight into who should and who should not be engaged in performing those duties.
The role of a Coating Inspector has evolved considerably over the past few decades, and the responsibilities have increased over what used to be a rather straightforward job: to verify that surface preparation and coating application meet the project specification requirements. Today there are week-long or multi-week basic and advanced coating inspection courses, specialty courses that are industry-specific (e.g., bridge, nuclear), courses that are substrate-specific (e.g., concrete coatings inspection) and even coating-specific (e.g., inspection of thermal spray coatings).
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Being proactive and performing scheduled coating condition assessments on above ground storage tanks to prevent corrosion is of utmost importance to protect assets. Undetected corrosion can result in product contamination, section loss, create compliance issues resulting in fines levied by governmental agencies, and increase costs of asset replacement. Planned and detailed coating/lining condition assessments can help a tank owner realize the current condition of their assets and maximize life expectancy.
The use of duplex coating systems (hot dip galvanizing or thermal spray coating with one or more liquid-applied coatings) for long term protection of structural steel is becoming more mainstream in many industries. This paper describes the advantages of employing duplex coating systems as well as some important considerations for designers prior to specifying their use. It also highlights an ongoing initiative to help agencies more efficiently and effectively use duplex coatings on steel bridges by developing guidelines, standards, and other materials.