8.5 Duration of Testing

Clasification Society 2024 - Version 9.40

Statutory Documents - IMO Publications and Documents - Resolutions - Assembly - IMO Resolution A.754(18) – Recommendation on Fire Resistance Tests for “A”, “B” and “F” Class Divisions – (Adopted on 4 November 1993) - Annex - Recommendation on Fire Resistance Tests for “A”, “B” and “F” Class Divisions1 - 8 Method of Test - 8.5 Duration of Testing

8.5 Duration of Testing

8.5.1 "A" class divisions

For all "A" class divisions, including those with doors, the test should continue for minimum 60 min.

When the specimen is of an "A" class division, with a structural steel core which is imperforate (e.g. without door), and where insulation is provided to the exposed face only (i.e. the structural steel core is the unexposed face of the construction), it is permitted to terminate the test prior to 60 min once the unexposed-face temperature-rise limits have been exceeded.

8.5.2 "B" and "F" class divisions

For all "B" and "F" class divisions, including those with doors, the test should continue for minimum 30 min.

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