Manganese Ore Fines
MANGANESE ORE FINES
Schedule source MSC.539(107), Annex 9, Appendix 1, IMSBC Code Amendment 07-23 · pages 313, 314
Description
Manganese ore fines is multicoloured and usually brown to black. Its colour and texture may vary due to variations of the manganese and gangue minerals present. It is a very heavy cargo with typical moisture content up to 15% by weight.
Hazard
This cargo may liquefy if shipped at a moisture content in excess of its transportable moisture limit (TML). See sections 7 and 8 of IMSBC Code. The dust of this cargo is irritating to the eyes and mucous membranes. It is stable and non-reactive under normal conditions of use, storage and transport. However, this cargo may ignite in contact with incompatible materials such as acids, alkalis, oxidizing and reducing agents. It may decompose to form toxic manganese oxide particles when heated to decomposition. This cargo is non-combustible or has a low fire risk.
Stowage and Segregation
Separated from acids, alkalis, oxidizing and reducing agents.
Hold Cleanliness
Clean and dry as relevant to the hazards of the cargo.
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
Trim in accordance with the relevant provisions required under sections 4 and 5 of IMSBC Code. When the stowage factor of this 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
Persons who may be exposed to the dust of the cargo shall wear protective clothing, goggles or other equivalent dust eye-protection and dust filter masks, as necessary. 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. Appropriate precautions shall be taken to protect machinery and accommodation spaces from the dust of the cargo.
Ventilation
No special requirements.
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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