Regulation 13 - Openings in watertight bulkheads below the bulkhead deck in passenger ships
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Regulation 13 - Openings in watertight bulkheads below the bulkhead deck in passenger ships

Parent topic: Part B - Guidance on Individual Regulations

General - Steps in the bulkhead deck

 If the transverse watertight bulkheads in a region of the ship are carried to a higher deck which forms a vertical step in the bulkhead deck, openings located in the bulkhead at the step may be considered as being located above the bulkhead deck. Such openings should then comply with regulation 17 and should be taken into account when applying regulation 7-2.

 All openings in the shell plating below the upper deck throughout that region of the ship should be treated as being below the bulkhead deck and the provisions of regulation 15 should be applied. See figure below.

Paragraph 7.6

 The IEC standard referenced in the footnote (IEC publication 529, 1976) has been replaced by the newer standard IEC 60529:2003.

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