Statutory Documents - MCA Publications - LY3 - The Large Commercial Yacht Code - 14B Structural Fire Protection - Vessels of 500GT and Over - 14B.2 - 14B.2.8 Openings in "B" class divisions
14B.2.8 Openings in "B" class divisions
14B.2.8.1 Doors and door frames in "B" class divisions and means of securing them should provide a method of closure which should have resistance to fire as far as practical equivalent to that of the divisions except that a ventilation opening may be permitted in the lower portion of such doors. When such an opening is in or under a door the total net area of the opening(s) should not exceed 0.05m2. When such an opening is cut in a door it should be fitted with a grill made of non-combustible material. Doors should be non-combustible or of substantial construction.
14B.2.8.2 Where 'B' Class divisions are penetrated for the passage of electric cables, pipes, trunks, ducts, etc., or for the fitting of ventilation terminals, lighting fixtures and similar devices, arrangements are to be made to ensure that the fire resistance is not impaired.
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