DNV GL rules for classification: Offshore – July 2017

Below follows an overview of new and updated Offshore Classification rules and standards, available from July 2017 with an entry into force date for classification purposes on 1 January 2018. Please contact your local DNV GL office for further information.

New DNV GL rules for classification: Offshore units

  • DNVGL-RU-0375 Diving systems
    Replacing DNV service specification DNV-DSS-105 into a DNV GL offshore class rule book format with updated descriptions. Classification service remains unchanged.
  • DNVGL-RU-OU-0503 Offshore fish farming units/installations
    Defining a classification service and establishing a technical design basis for offshore fish farms. 

Revised offshore standards and statutory interpretations

  • DNVGL-OS-D203 Integrated software dependent systems (ISDS)
    Based on a continuous dialogue with owners, yards and suppliers, this document has been updated to modernize and make the scope of the voluntary ISDS notation more attractive to more business segments.
  • DNVGL-OS-B101 Metallic materials
    An alignment with the recently updated DNV GL rules for classification: Ships, IACS unified requirements and further improvements, supporting efficiency and effectiveness of offshore NB projects following the maritime execution model.
  • DNVGL-OS-C401 Fabrication and testing of offshore structures
    An alignment with the recently updated DNV GL rules for classification: Ships, IACS unified requirements and further improvements, supporting efficiency and effectiveness of offshore NB projects following the maritime execution model.
  • DNVGL-SI-0166 Verification for compliance with Norwegian shelf regulations
    Includes NORSOK R-002 in scope for the DRILL(N) and WELL(N) notations ensuring compliance with PSA lifting equipment regulations. 

Minor updates in offshore standards to reflect changes to DNVGL-OS-B101 and DNVGL-OS-C401

  • DNVGL-OS-C104 Structural design of self-elevating units - LRFD method
    • Extra high strength steel (EHS) included
    • Material designations tables updated
  • DNVGL-OS-C101 Design of offshore steel structures, general - LRFD method
    • Extra high strength steel (EHS) included
    • Material designations tables updated
  • DNVGL-OS-C201: Structural design of offshore units - WSD method
    • Extra high strength steel (EHS) included
    • Material designations tables updated