What are information provided by shipper to ship master for loading of timber deck cargo?

1. Stowage height;
2. Weight per m²;
3. Required amount of water ballast; and
4. Displacement, draught, trim and stability at departure and arrival.
5. The stability should be within required limits during the entire voyage.

When undertaking stability calculations, variation in displacement, centre of gravity and free surface moments due to the following factors should be considered:

• Absorption of water in timber carried as timber deck cargo according to special instructions.
• Ice accretion, if applicable.
• Variations in consumables; and
• Ballast water exchange operations, in accordance with approved procedures.

A lashing plan according to the ship’s Cargo Securing Manual (CSM) should be prepared and the following calculated: