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DNVGL-RP-F102

Pipeline field joint coating and field repair of linepipe coating

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Organization: DNVGL
Publication Date: 1 August 2017
Status: active
Page Count: 53
scope:

This recommended practice (RP) has been prepared to facilitate both purchaser's specification and applicator's documentation of quality control for coating work. The RP covers the application of specific types of FJC/CFR and infill systems as referred to below. The use of this RP implies the involvement of purchaser in quality control aspects, including review of procedures and inspection/testing plans for coating application, witnessing of qualification tests (PQT/PPT) for coating and acceptance of documentation of quality control (daily log formats and index for final documentation) prior to start of production in order to ensure that the produced coating meets all requirements of this RP and ISO 21809-3.

The following 12 types of FJC/CFR systems, applicable to corrosion control of submarine pipelines, and including associated risers, are covered in this document. (The designations used in this RP are the same as in ISO 21809-3 but some amendments are made by introducing a number within parenthesis).

This RP may be fully or partly applicable to similar coating and infill systems, or to FJC/CFR associated with onshore pipelines. The user shall then duly consider the needs for amendments and deviations for such applications.

The following activities associated with FJC/CFR are not covered:

- Requirements for the qualification of manufacturer specific coating materials for general (i.e. not project specific) purposes (see guidance note to [6.6.3]).

- Detailed design of FJC for project specific purposes (e.g. heat insulation).

- Inspection of linepipe coating during installation and characterisation of damage for subsequent CFR.

- Repair of internal coating and thermally insulating coating.

Considerations related to safety and environmental hazards associated with either coating work or properties and degradation (e.g. leaking of various compounds) of as-applied coating materials (i.e. as reflected by national and multi-national regulations) are beyond the scope of this RP.

Document History

DNVGL-RP-F102
August 1, 2017
Pipeline field joint coating and field repair of linepipe coating
This recommended practice (RP) has been prepared to facilitate both purchaser’s specification and applicator’s documentation of quality control for coating work. The RP covers the application of...

References

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