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BSI BS ISO 21809-11:2019

Petroleum and natural gas industries. External coatings for buried or submerged pipelines used in pipeline transportation systems -- Coatings for in-field application, coating repairs and rehabilitation
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BSI BS ISO 21809-11:2019

Petroleum and natural gas industries. External coatings for buried or submerged pipelines used in pipeline transportation systems -- Coatings for in-field application, coating repairs and rehabilitation

PUBLISH DATE 2019
PAGES 56
BSI BS ISO 21809-11:2019

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/testing for field contractors and site applied coatings to all of the pipeline components, including bends, tees, fittings, valves and interfaces between different coatings in soil-to-air pipeline sections.

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).

SDO BSI: British Standards Institution
Document Number ISO 21809-11
Publication Date April 15, 2019
Language en - English
Page Count
Revision Level
Supercedes
Committee PSE/17/2
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