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发表于 2014-11-14 20:39
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来自: 中国江苏南通
楼主你看看SOLAS公约:
SOLAS - International Convention for the Safety of Life at Sea - Chapter II-2 - Construction - Fire protection, fire detection and fire extinction - Part C - Suppression of fire - Regulation 9 - Containment of fire - 4 Protection of openings in fire-resisting divisions - 4.2 Doors in fire-resisting divisions in cargo ships
4.2.3. In corridor bulkheads, ventilation openings may be permitted in and under the doors of cabins and public spaces. Ventilation openings are also permitted in "B" class doors leading to lavatories, offices, pantries, lockers and store rooms. Except as permitted below, the openings shall be provided only in the lower half of a door. Where such an opening is in or under a door the total net area of any such opening or openings shall not exceed 0.05 m2. Alternatively, a non-combustible air balance duct routed between the cabin and the corridor, and located below the sanitary unit is permitted where the cross-sectional area of the duct does not exceed 0.05 m2. Ventilation openings, except those under the door, shall be fitted with a grille made of non-combustible material.
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