NF ISO 21809-11

NF ISO 21809-11

May 2020
Standard Current

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

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).

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Main informations

Collections

National standards and national normative documents

Publication date

May 2020

Number of pages

53 p.

Reference

NF ISO 21809-11

ICS Codes

75.200   Petroleum products and natural gas handling equipment

Classification index

A49-721-11

Print number

1

International kinship

ISO 21809-11:2019
Sumary
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

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).

Table of contents
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  • 1 Domaine d'application
  • 2 Références normatives
  • 3 Termes et définitions
  • 4 Abréviations
  • 5 Exigences générales
  • 6 Informations à fournir par l'acheteur
  • 7 Processus de qualification et modes opératoires d'application
  • 8 Exigences de sécurité
  • 9 Exigences en matière de management de la qualité et d'assurance qualité
  • 10 Critères relatifs au diagnostic de l'état d'un revêtement existant
  • 11 Choix du revêtement de réhabilitation
  • 12 Retrait du revêtement existant et préparation de surface
  • 13 Exigences fonctionnelles pour application étendue de revêtement sur site
  • 14 Exigences fonctionnelles pour les réparations locales des dommages du revêtement
  • 15 Entrées et sorties de sol
  • 16 Documentation et création de rapports
  • Annexe A Programmes d'essai pour les essais de qualification du mode opératoire, les essais de pré-production ou les essais de production
  • Annexe B Excavations
  • Annexe C Matrice des priorités pour les activités d'évaluation du revêtement
  • Bibliographie
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