Item
|
Minimum thickness (mm)
|
Mono-hull
|
Hydrofoil
|
Rigid inflatable boat
(RIB)
|
Shell envelope
|
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Bottom shell plating
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Side shell 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
|
ω |
= |
= service type correction factor as determined from
Table 3.2.2 Service type correction factors
(ω)
|
k
m
|
= |
= 385/(σA + σu)
|
σA
|
= |
= specified minimum yield stress or 0,2% proof
stress of the alloy in unwelded condition, in N/mm2
|
σu
|
= |
= specified minimum ultimate tensile strength of the
alloy in unwelded condition, 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
|
|
L
R is as defined in Pt 7, Ch 3, 1.5 Symbols and definitions 1.5.1
|