2.5 Damage assumptions
Clasification Society 2024 - Version 9.40
Statutory Documents - IMO Publications and Documents - International Codes - IBC Code - International Code for the Construction and Equipment of Ships Carrying Dangerous Chemicals in BulkAmended by Resolution MEPC.225(64) - Chapter 2 Ship survival capability and location of cargo tanks - 2.5 Damage assumptions

2.5 Damage assumptions

  2.5.1 The assumed maximum extent of damage shall be:

.1 Side damage:    
.1.1 Longitudinal extent: 1/3L2/3 or 14.5 m, whichever is less  
.1.2 Transverse extent: B/5 or 11.5 m, whichever is less (measured inboard from the ship's side at right angles to the centreline at the level of the summer load line)  
.1.3 Vertical extent: upwards without limit (measured from the moulded line of the bottom shell plating at centreline)  
.2 Bottom damage: For 0.3L from the forward perpendicular of the ship Any other part of the ship
.2.1 Longitudinal extent 1/3L2/3 or 14.5 m, whichever is less 1/3L2/3 or 5 m, whichever is less
.2.2 Transverse extent: B/6 or 10 m, whichever is less B/6 or 5 m, whichever is less
.2.3 Vertical extent: B/15 or 6 m, whichever is less [measured from the moulded line of the bottom shell plating at centreline (see 2.6.2)] B/15 or 6 m, whichever is less [measured from the moulded line of the bottom shell plating at centreline (see 2.6.2)]

  2.5.2 If any damage of a lesser extent than the maximum damage specified in 2.5.1 would result in a more severe condition, such damage shall be considered.

Parent topic: Chapter 2 Ship survival capability and location of cargo tanks
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