This standard test method covers liquid-applied new construction coating systems for the atmospheric zone and splash zone of an offshore platform. These coating systems are applied by conventional air, airless, or plural- component spray. Other types of coating materials, such as thermal spray metallic and elastomeric or petrolatum tape splash zone coatings, are not covered in this standard.

Five test methods-rust creepage resistance, edge retention, thermal-cycling resistance, flexibility, and impact strength-are used to evaluate coating systems for atmospheric service. In addition to these five test methods, seawater immersion resistance and cathodic disbondment are also used to evaluate splash zone coating systems. The types of offshore platforms covered by this standard include fixed-leg, semi-submersible, tension-leg, floating production storage and offloading (FPSO), etc.

The steel surface preparation for all test methods requires grit blasting to near-white metal finish. If a particular type of pre-construction primer (PCP) is required to remain on the grit-blasted surface prior to the application of primer in the field, the PCP shall be applied onto the grit- blasted steel surfaces according to the manufacturer¿s specification. All the test methods shall still be applicable.

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