Petroleum and natural gas industries -- External coatings for buried or submerged pipelines used in pipeline transportation systems -- Part 5: External concrete coatings
This standard has been revised by ISO 21809-5:2017
ISO 21809-5:2010 specifies the requirements for qualification, application, testing and handling of materials required for the application of reinforced concrete coating externally to either bare pipe or pre-coated pipe for use in pipeline transportation systems for the petroleum and natural gas industries as defined in ISO 13623.
ISO 21809-5:2010 is applicable to concrete thicknesses of 25 mm or greater.
A standard is reviewed every 5 years
Revisions / Corrigenda