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发表于 2011-10-21 23:06
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来自: 中国广东深圳
15.5 Height of Vent PipesWhere air pipes extend above the freeboard or superstructure decks, the exposed parts of the pipes are
to be of at least Standard thickness (see 4-2-1/9.21); the height from the deck to the point where water
may have access below is to be at least 760 mm (30 in.) on the freeboard deck and 450 mm (17.5 in).
on the superstructure deck. Where these heights may interfere with the working of the unit, a lower
height may be approved, provided that the closing arrangements and other circumstances justify a
lower height.
See 4-2-3/15.3 for damage stability requirements |
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