Transport Canada has noticed several occasions where the maximum height of the timber deck cargoes allowed on deck was questioned because of different interpretations.

 

 

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To avoid this in the future, all parties should consider the following:

  • The height of cargo is measured from the base of the timber deck cargoes stow to the highest part of the cargo. For example, in case of a crowned top surface, the height must be measured to the top of the crown. The average height of the timber deck cargoes must not be used;
  • The maximum height of the timber deck cargoes above the ship’s weather deck must be as specified in the ship’s approved Cargo Securing Manual. On a vessel within a seasonal winter zone in winter, it must not be over one third of the extreme breadth of the ship.

These interpretations are based on the requirements of Part 1, Divisions 1 and 4 of the Cargo, Fumigation and Tackle Regulations; the Code of Safe Practice for Ships Carrying Timber Deck Cargoes, 1991 and 2011; and the International Convention on Load Lines, 1966.