Marine & Offshore

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NR493 Classification of mooring systems for permanent and mobile offshore units

This Rule Note provides requirements for the classification of mooring systems and gives technical requirements, criteria and guidance on the design, construction and installation of the mooring systems.

Reference Title Date

NR493 R04

Classification of mooring systems for permanent and mobile offshore units

Jul 2021
Check related documents:

  • NR445 Rules for the classification of offshore units

  • NI604 Fatigue of top chain of mooring lines due to in-plane and out-of-plane bendings
  • NI432 Certification of fibre ropes for deepwater offshore services

Check other Bureau Veritas rules and guidelines.

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