NORSOK N-005 is revised and on public enquiry
NORSOK N-005 “Integrity management of offshore structures and marine systems” is available for public review. We invite the industry to comment on the draft by 9 September.
NORSOK N-005 and NORSOK N-006 are merged into one document. The content has gone through an extensive upgrade and outlines the assessment of the structural integrity to all type of existing load-bearing offshore structures used in petroleum activities.
This document serves as a supplement to NORSOK N-001 and is intended to be used in conjunction with NORSOK N-003 and NORSOK N-004, for cases where structures are operated beyond their original design requirements. Additionally, this document addresses cases where structural resistance cannot be easily verified through standard design calculations, and where additional information obtained throughout structure’s lifespan can be utilized can be utilised to demonstrate structural adequacy. The criteria for when such assessments are necessary are detailed in this document, in accordance with NORSOK N-001.
Key changes
The document still covers the same information as the previous edition, but each clause is now justified, and expected actions are described through a more systematic process.
This document is applicable to:
- fixed and floating substructures
- topside structures
- foundations
- mooring systems
- marine systems
- water and weather tight systems
- stability systems
- station keeping systems
This document covers all aspects of integrity management, including:
- the management of data
- strategies
- inspection
- monitoring
- surveillance
- execution
- evaluation
- assessment
- barriers
The general principles given in this document is applicable to different types of materials used, including:
- steel
- concrete
- aluminium
For assessment of structures of other materials, the detailed requirements need to be developed on a case by case basis.
Comment on the enquiry draft
You can read the draft called “pr NORSOK N-005:2025” through our enquiry portal. Comments shall be given in English language.
Through the enquiry portal, you can leave your comments for each specific section of the draft.
To access the draft, you will need to sign in. New users will need to register. You can register at the bottom of this page: kommentere.standard.no
If you already have a registered user in the enquiry portal, you can access the draft directly here prNORSOK N-005.
Deadline: 9 September 2025.
Contact us
All comments must be made through our enquiry portal by the given deadlines.
For further questions, please contact Inghild Kaarstad in Standards Norway.