FERROPHOSPHORUS (including briquettes)
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Statutory Documents - IMO Publications and Documents - International Codes - IMSBC Code – International Maritime Solid Bulk Cargoes Code – Resolution MSC.268(85) - Appendix 1 – Individual Schedules of Solid Bulk Cargoes - FERROPHOSPHORUS (including briquettes)

FERROPHOSPHORUS (including briquettes)

Description

An alloy of iron and phosphorus used in the steel industry.

Characteristics

Physical properties
Size Angle of repose Bulk density (kg/m3) Stowage factor (m3/t)
Diameter: 2.54 mm Not applicable 5,000 (0.20 for briquettes)
Hazard classification
Class Subsidiary hazard(s) MHB Group
Not applicable Not applicable WF and/or WT B

Hazard

May evolve flammable and toxic gases (e.g. phosphine) in contact with water.

This cargo is non-combustible or has a low fire risk.

Stowage and segregation

Segregation as for class 4.3 materials. "Separated from" foodstuffs and class 8 liquids.

Hold cleanliness

Clean and dry as relevant to the hazards of the cargo.

Weather precautions

This cargo shall be kept as dry as practicable. This cargo shall not be handled during precipitation. During handling of this cargo, all non-working hatches of the cargo spaces into which this cargo is loaded, or to be loaded, shall be closed.

Loading

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

As the density of the cargo is extremely high, 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

This cargo shall be kept as dry as reasonably practicable.

Ventilation

Mechanical ventilation shall be conducted during the voyage for the cargo spaces carrying this cargo. Ventilation fans shall be of certified safe type for use in a flammable atmosphere. They shall normally be run continuously whenever this cargo is on board. Where this is impracticable, they shall be operated as weather permits and in any case for a reasonable period prior to discharge.

Carriage

For quantitative measurement of flammable and toxic gases such as Phosphine, which may be evolved from this cargo in accordance with the cargo information, suitable detectors for each gas or combination of gases shall be on board while this cargo is carried. The detectors shall be of certified safe type for use in explosive atmosphere. The concentrations of these gases in the cargo spaces carrying this cargo shall be measured regularly, during the voyage, and the results of the measurements shall be recorded and kept on board.

Discharge

No special requirements.

Clean-up

After discharge of this cargo, the cargo spaces shall be swept clean.

Water shall not be used for cleaning of the cargo space which has contained this cargo, because of danger of gas.

Emergency procedures

Special emergency equipment to be carried
Self-contained breathing apparatus.
Emergency procedures
Wear self-contained breathing apparatus.
Emergency action in the event of fire
Batten down and use CO2, if available. Do not use water.
Medical first aid
Refer to the Medical First Aid Guide (MFAG), as amended.
Parent topic: Appendix 1 – Individual Schedules of Solid Bulk Cargoes
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