Petroleum and natural gas industries — External coatings for buried or submerged pipelines used in pipeline transportation systems — Part 11: Coatings for in-field application, coating repairs and rehabilitation
|Publication Date:||1 April 2019|
|ICS Code (Petroleum products and natural gas handling equipment):||75.200|
This document specifies the criteria and requirements for the in-field application of coatings, coating repair and coating rehabilitation on buried pipelines.
This document specifies:
- coating assessment (new and existing);
- removal of degraded coatings;
- surface preparation;
- on site or in situ application of external coatings.
It is applicable to petroleum or natural gas pipelines, with or without a cathodic protection system.
The pipelines could be operational during the removal, preparation and application process.
This document states qualification/testin
Technical and performance characteristics of the repair and rehabilitation coating materials are referenced to ISO 21809-3.
The coating of field joints is outside the scope of this document. Field joint coatings are dealt with in ISO 21809-3.
This document excludes the application of coatings when the pipeline is immersed (submerged).