Global Dry Bulk Network

Dunite Fines

DUNITE FINES

IMSBC GroupA
UN NumberNot set
ClassNot applicable
Subsidiary HazardNot applicable
MHBNot applicable
Physical SizeLess than 10 mm
Angle of Repose30° to 40°
Bulk Density (kg/m³)1,300 to 1,500
Stowage Factor (m³/t)0.67 to 0.77
Harmful to Marine EnvironmentNot set
Effective StatusExisting from MSC.539(107)
IMSBC Amendment07-23
Voluntary Application From2024-01-01
Mandatory From2025-01-01
Group AClass Not applicableMHB: Not applicableExisting from MSC.539(107)
Cargo photo

Schedule source MSC.539(107), Annex 9, Appendix 1, IMSBC Code Amendment 07-23 · pages 210, 211

Description

Dunite fines is a natural grey mineral obtained through the processes of blasting, crushing, and screening. Odourless. Used in the manufacture of metallurgical products, as an abrasive material, as a ballast material and for environmental applications.

Hazard

This cargo may liquefy if shipped with a moisture content in excess of its transportable moisture limit (TML). See sections 7 and 8 of IMSBC Code. This cargo is non-combustible or has a low fire risk.

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

Trim in accordance with the relevant provisions required under sections 4 and 5 of IMSBC Code.

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.

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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