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发表于 2015-9-8 13:32
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来自： 中国江苏苏州
Regulation 35 - Details of construction
35.1.1 Construction and location of draught stops:
1. Any of the following methods of construction may be used to construct draught stops
.1. the extension of the "B" class bulkhead, ceiling or lining;
.2. the extension of the "C" class bulkhead, ceiling or lining;
.3. 1 mm thick minimum steel sheet, stiffened where necessary, intermittently welded to the ship’s structure and the top profile of the bulkhead, or fastened mechanically to the ceilings or linings;
.4. non-combustible board type material fastened mechanically to the ship’s structure, bulkheads, ceilings or linings; or
.5. "A" class mineral wool insulation, not less than 20 mm in thickness, faced on each side with expanded metal mesh, the mesh on one side being attached to the ship’s structure, or expanded metal mesh may be fitted on one side and non-combustible cloth (glass-cloth) on the other side of mineral wool insulation.
Other equivalent arrangements may be accepted.
2. In general, the draught stops should coincide with the bulkheads where continuous ceilings are used.
3. Draught stops are not required in public spaces with open ceilings (perforated ceilings) with openings of 40% or more and arranged in such a way that a fire behind the ceiling can be seen and extinguished.
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