Regulation 25 - Bulkheads within a main vertical zone
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Statutory Documents - IMO Publications and Documents - Circulars - Maritime Safety Committee - MSC/Circular.847 – Interpretations of Vague Expressions and other Vague Wording in SOLAS Chapter II-2 – (Adopted on 12 June 1998) - Annex - Interpretations of Vague Expressions and Other Vague Wording in SOLAS Chapter II-2 - Part B - Fire Safety Measures for Passenger Ships - Regulation 25 - Bulkheads within a main vertical zone

Regulation 25 - Bulkheads within a main vertical zone

Parent topic: Part B - Fire Safety Measures for Passenger Ships

25.2.1 Construction of extended bulkhead behind continuous ceilings or linings

 The extension of the bulkhead should be made of non-combustible material and the construction of the extension should correspond to the fire class of extended bulkhead. If the extended bulkhead is of B-0 class standard, then the extension may be made of thin steel plates of 1 mm thickness and tightened (e.g. with mineral wool). Alternatively, B-0 class extensions may be constructed of a suitably supported mineral wool (density at least 100 kg/m3, thickness at least 50 mm).

25.2.2 Fire integrity of bulkheads, ceilings, doors and door frames

  • 1 Such bulkheads and ceilings should be of "B" class standard in compliance with regulation II-2/27.

  • 2 Doors and door frames should have the fire integrity of the bulkhead in which they are fitted.

25.3 Reference to MSC/Circ.669

 Reference is made to MSC/Circ. 669 - Interpretations of SOLAS chapter II-2 as amended by resolution MSC.27(61).

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