Description
Shipments require the approval of the competent authority of the countries
of shipment and the flag State of the ship.
Characteristics
Physical properties
|
Size
|
Angle of repose
|
Bulk density
(kg/m3)
|
Stowage factor
(m3/t)
|
Not
applicable
|
Not
applicable
|
900
|
1.11
|
Hazard
classification
|
Class
|
Subsidiary hazard(s)
|
MHB
|
Group
|
4.3
|
Not
applicable
|
|
B
|
Hazard
In contact with moisture or water liable to give off hydrogen, a flammable
gas, and toxic gases. This cargo is non-combustible or has a low fire risk.
Stowage and segregation
"Separated from" foodstuffs and all 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 before loading, during
loading and during voyage. This cargo shall not be loaded during precipitation. During
loading of this cargo, all non-working hatches of the cargo spaces to 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. This cargo shall not be accepted for loading when the cargo is damp
or known to have been wetted.
Precautions
Reject any damp material or any material which is known to have been
wetted. Possible ignition sources, including hot work, burning, smoking, electrical
sparking, shall be eliminated in the vicinity of the cargo spaces containing this cargo
during handling and carriage of this cargo.
Ventilation
Continuous mechanical ventilation shall be conducted during the voyage for
the cargo spaces carrying this cargo. If maintaining ventilation endangers the ship or
the cargo, it may be interrupted unless there is a risk of explosion or other danger due
to interruption of the ventilation. In any case, mechanical ventilation shall be
maintained for a reasonable period prior to discharge.
Carriage
For quantitative measurements of hydrogen, a suitable detector shall be on
board while this cargo is carried. The detector shall be of certified safe type for use
in explosive atmosphere. The concentration of hydrogen 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 twice.
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
|
Protective clothing (gloves,
boots, coveralls and headgear).
Self-contained breathing
apparatus.
|
Emergency
procedures
|
Wear protective clothing and
self-contained breathing apparatus.
|
Emergency action in the event
of fire
|
Batten down; use ship's fixed
fire-fighting installation, if available.
Do not use
water.
|
Medical first aid
|
Refer to the Medical First Aid
Guide (MFAG), as amended.
|