Ferrophosphorus (including Briquettes)
FERROPHOSPHORUS (including briquettes)
Schedule source MSC.539(107), Annex 9, Appendix 1, IMSBC Code Amendment 07-23 · pages 221, 222
Description
An alloy of iron and phosphorus used in the steel industry.
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 IMSBC 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.
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