DNV has submitted its class rules and standards for industry hearing, which are open for comments from 1 March to 12 April. This year, 78 documents are included, with publication planned for 1 July 2025. This news summarizes the main proposals and explains how you can provide feedback to the suggested changes.
DNV welcomes comments from all interested parties. Feedback on rule proposals is part of a thorough quality assurance process for DNV’s rules and standards. The complete list of documents submitted for hearing can be found in the Documents on hearing tab in the Rules and Standards Explorer.
DNV ship rules and standards
- Revised assessment methods for propellers and clarified requirements to thrusters (Pt. 4 Ch.4 and Pt.6 Ch.6)
- Complete revision of rules for water jets (Pt.4 Ch. 5 Sec. 2)
- New qualifier for Offshore service vessel, T-LOG facilitating enhanced reporting from anchor handling operations (Pt. 5.Ch. 9)
- Update of requirements to alternative fuels, new qualifier Hydrogen for Fuel ready notation and WAPS ready for vessels built to accommodate later installation of WAPS (Pt. 6 Ch. 2)
- New notation CO2 RECOND for vessels preparing CO2 for offloading (Pt. 6 Ch. 4 Sec.17)
Walk2work notation is updated and the in-operation notation Walk2work is introduced (Pt.6 Ch.5 Sec. 16 and Pt.8 Ch.4 Sec.) - Introduced in-operation class notation Clean containing requirements to ship owner/manager (Pt. 8 Ch. 4 Sec. 3)
- Class notation Connect changes name to DDV (data driven verification) (Pt.8 Ch.3)
DNV Offshore rules (DNV-RU-OU)
- Revised and updated Abate class notation, including new qualifiers PE for power from external sources and CCW for carbon capture from well stream (for production units) (RUOU-0101, RU-OU-0102, RU-OU-0103, RU-OU-0104)
- New Sustainability class notation, for showing compliance with UN Sustainable development goals (RU-OU-0101,RU-OU-0102, RU-OU-0103, RU-OU-0104)
- New qualifier CO2 for DRILL class notation, for requirements for drilling systems drilling CO2 injection wells (RU-OU-0101, RU-OU-0104)
- Class notation Connect changes name to DDV (data driven verification) (RU-OU-0300)
New MIM class notation for mooring integrity management (RU-OU-0300)
DNV offshore standards and statutory interpretations (DNV-OS and DNV-SI)
- Revised and updated material requirements and fabrication and testing of offshore structures to align with rules for ships (OS-B101, OS-C401)
- Restructured and updated structural standards for columnstabilized units, tension-leg platforms and deep draught floating units to align with other offshore structural standards (OS-C103, OS-C105, OS-C106)
- Revised and updated requirements for electrical systems to align with ship rules, IACS and other international standards (OS-D201)
- Revised and updated requirements for (N) notation for Norwegian continental shelf to align with updated acknowledgement of compliance (AOC) handbook and change of name of regulator from PSA to Havtil (SI-0166)
Recommendations
DNV encourages all relevant stakeholders to review the proposed updates to the DNV class rules and standards. Feedback on the suggested changes is highly valued and will help shape the final documents.
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Source: DNV
