Mineral Concentrates
Mineral concentrates (see Bulk Cargo Shipping Names below) CELESTINE CONCENTRATE CEMENT COPPER COPPER CONCENTRATE IRON CONCENTRATE IRON CONCENTRATE (pellet feed) IRON CONCENTRATE (sinter feed) LEAD AND ZINC CALCINES (mixed) LEAD AND ZINC MIDDLINGS LEAD CONCENTRATE LEAD ORE RESIDUE LEAD SILVER CONCENTRATE MANGANESE CONCENTRATE NEPHELINE SYENITE (mineral) NICKEL CONCENTRATE PENTAHYDRATE CRUDE PYRITES PYRITIC ASHES (iron) PYRITIC CINDERS SILVER LEAD CONCENTRATE SLIG (iron ore) ZINC AND LEAD CALCINES (mixed) ZINC AND LEAD MIDDLINGS ZINC CONCENTRATE ZINC SINTER ZINC SLUDGE See also the entries for metal sulphide concentrates.
Schedule source MSC.539(107), Annex 9, Appendix 1, IMSBC Code Amendment 07-23 · pages 327, 328
Description
Mineral concentrates are refined ores in which valuable components have been enriched by eliminating the bulk of waste materials.
Hazard
The above materials may liquefy if shipped at a moisture content in excess of their transportable moisture limit (TML). See sections 7 and 8 of IMSBC Code. These cargoes will decompose burlap or canvas cloth covering bilge wells. Continuous carriage of these cargoes may have detrimental structural effects over a long period of time. These cargoes are non-combustible or have low fire risks.
Stowage and Segregation
No special requirements.
Hold Cleanliness
No special requirements.
Weather Precautions
When a cargo is carried in a ship other than a ship complying with the requirements in 7.3.2 of this Code, the following provisions shall be complied with: .1 the moisture content of the cargo shall be kept less than its TML during loading operations and the voyage; .2 unless expressly provided otherwise in this individual schedule, the cargo shall not be handled during precipitation; .3 unless expressly provided otherwise in this individual schedule, during handling of the cargo, all non-working hatches of the cargo spaces into which the cargo is loaded, or to be loaded, shall be closed; .4 the cargo may be handled during precipitation under the conditions stated in the procedures required in 4.3.3 of IMSBC Code; and .5 the cargo in a cargo space may be discharged during precipitation provided that the total amount of the cargo in the cargo space is to be discharged in the port.
Loading
The cargo shall be trimmed to ensure that the height difference between peaks and troughs does not exceed 5% of the ship’s breadth and that the cargo slopes uniformly from the hatch boundaries to the bulkheads to avoid steep surfaces of cargo that could collapse during the voyage. When the stowage factor of the cargo is equal to or less than 0.56 m3/t, the tank top may be overstressed unless the cargo is evenly spread across the tank top to equalize the weight distribution. Due consideration shall be given to ensure that the tank top is not overstressed during the voyage and during loading by a pile of the cargo.
Precautions
Bilge wells shall be clean, dry and covered as appropriate, to prevent ingress of the cargo. The bilge system of a cargo space to which this cargo is to be loaded shall be tested to ensure it is working.
Ventilation
The cargo spaces carrying this cargo shall not be ventilated during the voyage.
Carriage
The appearance of the surface of this cargo shall be checked regularly during the voyage. If free water above the cargo or fluid state of the cargo is observed during the voyage, the master shall take appropriate actions to prevent cargo shifting and potential capsize of the ship, and give consideration to seeking emergency entry into a place of refuge.
Discharge
No special requirements.
Clean-up
No special requirements.
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