Applicability of changes
The revisions include new requirements for the checkpoint regime where defects are identified. These amendments are also particularly relevant to multi-deck vessels, such as:
- Passenger ships
- Pure car carriers (PCC)
- Pure car and truck carriers (PCTC)
- Ro-ro and ropax vessels
- Naval NS1 vessels.
Lloyd’s Register Rules revised
The following Rules have been revised:
- Rules and Regulations for the Classification of Ships, Part 3, Chapter 10, Section 2
- Rules and Regulations for the Classification of Naval Ships, Volume 1, Part 6, Chapter 6, Section 4
Summary of changes
- Reduction of checkpoint numbers in certain locations, as described in the Ship and Naval Rules, respectively.
Note: there are no reductions for areas determined as highly stressed, or identified by SDA, FDA, or critical locations as per the construction monitoring (CM) plan. - Revised requirements for additional checkpoints where planar defects are identified.
- Clarification of checkpoint lengths on weld crossover sections.
- Requirements for the shipbuilder to monitor NDE results, implement corrective actions for any identified increase in defect rates, and share the reports with the surveyor on a periodic basis.
What shipbuilders should do now
For further information
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