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Oil and gas industries including lower carbon energy. External coatings for buried or submerged pipelines used in pipeline transportation systems — - Part 4: Polyethylene coatings (2-layer PE)

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This document specifies the requirements for qualification, application, inspection, testing, handling and storage of materials for plant application of two-layer polyethylene coatings (2-layer PE) applied externally for the corrosion protection of bare steel pipe for use in pipeline transportation systems for oil and gas industries as defined in ISO 13623 .

NOTE    Pipes coated in accordance with this document are considered suitable for additional protection by means of cathodic protection.