MEO Class I · Oral · asked at MMD Kochi

What are the ship types and their construction features as per the IBC Code?

Short answer

Ship Type Hazard Level Damage Survival Tank Location from Shell
Type 1 Greatest overall hazard Most severe standard Max distance inboard from side and bottom; ≥760 mm
Type 2 Appreciably severe Significant measures ≥ vertical extent of damage from bottom; ≥760 mm
Type 3 Sufficiently low Moderate degree ≥760 mm from shell plating
  • Code: International Bulk Chemical (IBC) Code — mandatory under SOLAS chapter VII and MARPOL Annex II
  • Ship type 1: most hazardous cargoes; must survive the most severe damage; cargo tanks at maximum distance inboard from shell
  • Ship type 2: appreciably severe hazards; significant preventive measures; tanks at prescribed distance from bottom shell and 760 mm from shell plating
  • Ship type 3: sufficiently low hazards; moderate containment; tanks nowhere less than 760 mm from shell plating
  • Source: IBC Code chapter 2 and OSV Chemical Code chapter 2

Full answer

The full answer explains each point step by step, with the regulations and figures behind it and the discussion from other candidates. It is in the MEO Class I section of the Marine One forum, open to members enrolled for the MEO Class I exam.