Sulphur UN 1350 (crushed Lump And Coarse Grained)
SULPHUR UN 1350 (crushed lump and coarse grained)
Schedule source MSC.539(107), Annex 9, Appendix 1, IMSBC Code Amendment 07-23 · pages 434, 435
Description
A mineral substance found free in volcanic countries. Yellow in colour, brittle, insoluble in water, but readily fusible by heat. Sulphur is loaded in a damp or wet condition.
Hazard
Flammability and dust explosion especially during loading and unloading and after discharge and cleaning. This cargo may ignite readily. This cargo is non-combustible or has a low fire risk.
Stowage and Segregation
“Separated from” foodstuffs.
Hold Cleanliness
Clean and dry as relevant to the hazards of the cargo. Must be thoroughly clean and washed with fresh water.
Weather Precautions
No special requirements.
Loading
Trim in accordance with the relevant provisions required under sections 4 and 5 of IMSBC Code.
Precautions
When this cargo is involved in a fire, a toxic, very irritating and suffocating gas is evolved. This cargo forms explosive and sensitive mixtures with most oxidizing material. This cargo has a liability to dust explosion, which may occur especially after discharge and during cleaning. The hold trimming plates and tank tops of the cargo spaces for this cargo shall be lime-washed or coated with paint to prevent corrosion. Upper sections shall have a sound coating of paint. Electrical circuits for the equipment in cargo spaces for this cargo which is unsuitable for use in an explosive atmosphere shall be isolated by removal of links in the system other than fuses. Due consideration shall be given to the isolation of electrical circuits for the equipment in the adjacent spaces of the cargo spaces which is unsuitable for use in an explosive atmosphere. Any ventilators of the cargo spaces for this cargo shall be fitted with spark-arresting screens. Fine grained sulphur (flowers of sulphur) shall not be transported in bulk.
Ventilation
Surface ventilation only, either natural or mechanical, shall be conducted, as necessary, during the voyage for this cargo.
Carriage
Bilges in the cargo spaces carrying this cargo shall be pumped regularly to prevent accumulation of water/acid solution.
Discharge
No special requirements.
Clean-up
The cargo spaces and other structures which may have been in contact with this cargo or the dust shall not be swept. After discharge of this cargo, the cargo spaces, and other structures as necessary, shall be washed out with fresh water to remove all residues of this cargo. Then the cargo spaces shall be thoroughly dried. Wet dust or residues may form highly corrosive sulphurous acid, which is extremely dangerous to personnel and corrosive to steel. Persons involved in cleaning up shall be provided with protective clothing, goggles and dust filter masks to wear.
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