10 Classification
Clasification Society 2024 - Version 9.40
Statutory Documents - IMO Publications and Documents - Resolutions - Assembly - IMO Resolution A.653(16) – Recommendation on Improved Fire Test Procedures for Surface Flammability of Bulkhead, Ceiling and Deck Finish Materials – (Adopted on 19 October 1989) - Annex - Recommendation on Improved Fire Test Procedures for Surface Flammability of Bulkhead, Ceiling and Deck Finish Materials - 10 Classification

10 Classification

 Materials giving average values for all of the surface flammability criteria not exceeding those listed in the following table, are considered to meet the requirement for low flame spread in compliance with Regulations 11-2/3.8, 11-2/34 and 11-2/49 of the International Convention for the Safety of Life at Sea, 1974, as amended.

Bulkhead, wall and ceiling linings Floor coverings
CFE Qsb Qt Qp CFE Qsb Qt Qp
kW/m2 MJ/m2 MJ kW kW/m2 MJ/m2 MJ kW
≥ 20.0 ≥ 1.5 ≤ 0.7 ≤ 4.0 ≥ 7.0 ≥ 0.25 ≤ 1.5 ≤ 10.0
Where
CFE = Critical flux at extinguishment
Qsb = Heat for sustained burning
Qt = Total heat release
Qp = Peak heat release rate
Parent topic: Annex - Recommendation on Improved Fire Test Procedures for Surface Flammability of Bulkhead, Ceiling and Deck Finish Materials
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