SOME IMPORTANT NAVAL ARCHITECTURAL TERMS

Page 1(6) 2009 Foreship IMPORTANT NAVAL ARCHITECTURAL TERMSF ebruary 2009 ITEMEXPLANATIONA-, B- and C-class divisionsSOLAS has tables for structural fire protection requirement ofbulkheads and decks. The requirements depend on the spaces inquestion, and are different for passenger ships and cargo , A-15, A-30, A-60:Shall be constructed of steel or equivalent material, shall beconstructed to prevent passage of smoke and flame for 1 h inStandard Fire Test, shall be insulated so that the average temperatureof the unexposed side does not rise more than 140 C (any point nomore than 180 C) above the original temperature within 0, 15, 30 or60 , B-15:Shall be constructed to prevent passage of flame for h in StandardFire Test, shall be insulated so that the average temperature of theunexposed side does not rise more than 140 C (any point no morethan 225 C) above the original temperature within 0 or 15 be constructed of approved non-combustible materials(However, combustible veneer may be used).

damage stability are adjusted so that “A”=”R”. Ballast Water Convention, Ballast Water Treatment, BWT New regulation requiring ballast water treatment systems on all ships (new and old), in order to avoid harmful organisms spreading from one location to another. Typically the treatment is by filtering and UV-light.

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  Stability, Ballast

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