Item
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Minimum thickness (mm)
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Catamaran
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Multi-hull
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Swath
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Shell envelope
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Bottom shell plating
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Side shell plating
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Wet-deck plating
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Single bottom structure
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Centre girder web
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Floor webs
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Side girder webs
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Double bottom structure
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Centre girder:
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(1) Within 0,4L
R amidships
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(2) Outside 0,4L
R amidships
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Floors and side girders
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Inner bottom plating
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Bulkheads
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Watertight bulkhead plating
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Deep tank bulkhead plating
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Deck plating and stiffeners
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Strength/Main deck plating
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Lower deck/Inside deckhouse
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Superstructures and deckhouses
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Superstructure side plating
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Deckhouse front 1st tier
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Deckhouse front upper tiers
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Deckhouse aft
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Pillars
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Wall thickness of tubular pillars
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Wall thickness of rectangular pillars
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Symbols
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ω = service type factor as determined from Table 3.2.2 Service type correction factor
(ω) in Chapter 3
k
ms = 635/(σs + σu)
σu = specified minimum ultimate tensile strength
of the material, in N/mm2
b
p = minimum breadth of cross-section of hollow rectangular
pillar, in mm
d
p = outside diameter of tubular pillar, in mm cross-section
L
R and σs are as defined in Pt 6, Ch 4, 1.5 Symbols and definitions 1.5.1.
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