# Directive 2009/45/EC of the European Parliament and of the Council of 6 May 2009 on safety rules and standards for passenger ships (Recast) (Text with EEA relevance), Division .4

Extent: E+W+S+N.I.

‘ B ’ class divisions are those divisions formed by bulkheads, decks, ceilings or linings which comply with the following:
.1 they shall be so constructed as to be capable of preventing the passage of flame to the end of the first half hour of the standard fire test;
.2 they shall have an insulation value such that the average temperature of the unexposed side will not rise more than 140 °C above the original temperature, nor will the temperature at any one point, including any joint, rise more than 225 °C above the original temperature within the time listed below:
class ‘ B-15 ’
15 min
class ‘ B-0 ’
0 min
.3 they shall be constructed of approved non-combustible materials and all materials entering into the construction and erection of ‘ B ’ class divisions shall be non-combustible, with the exception that combustible veneers may be permitted provided they meet other requirements of this chapter;
.4 the Administration of the flag State shall require a test of a prototype division to ensure that it meets the above requirements for integrity and temperature rise in accordance with IMO Resolution A.754(18).
For class B, C and D ships constructed on or after 1 January 2003 , ‘ IMO Resolution A.754(18) ’ shall read ‘ Fire Test Procedures Code ’ .

---
Source: https://www.legislation.gov.uk/eudr/2009/45/annex/I/chapter/3/part/A/division/2/division/1/division/.4 (the official version)
Page: https://openlegislation.uk/eu-directive-2009-45/annex-I/chapter-3/part-A/division-2/division-1/division-.4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.