High risks involved in liquefied gas garriers operation and training requirement
The daily operation of a liquefied gas carrier involved potential hazards. Training in emergency procedures and in the use of any special
emergency equipment should be given as appropriate to members of the
crew at regular intervals. The instruction should include personal first aid
measures for dealing with accidental contact with harmful substances in the
cargo being carried and inhalation of dangerous gases and fumes.
Because of the risks of ill effects arising from contamination by
certain liquid cargoes, especially those carried in chemical tankers and gas
carriers, personnel should maintain very high standards of personal
cleanliness and particularly so when they have been engaged in cargo
handling and tank cleaning.
Those on board responsible for the safe loading and carriage of
the cargo should have all the relevant information about its nature and
character before it is loaded and about the precautions which need to be
observed during the voyage. The remainder of the crew should be advised
of any precautions which they too should observe.
High risks require the strict observance of rules restricting
smoking and the carriage of matches or cigarette lighters.
Spillages and leakages of cargo should be attended to promptly.
Oil-soaked rags should not be discarded carelessly where they may be a fire
hazard or possibly ignite spontaneously. Other combustible rubbish should
not be allowed to accumulate.
Fig:LNG carrier underway
Cargo handling equipment, testing instruments, automatic and
other alarm systems should be maintained to a very high standard of
efficiency at all times. Where electrical equipment is to be used in the cargo
area it should be of approved design and `certified safe'. The safety of this
equipment depends on maintenance of a high order which should be
carried out only by competent persons. Unauthorised personnel should not
interfere with such equipment. Any faults observed, such as loose or missing
fastenings or covers, severe corrosion, cracked or broken lamp glasses etc
should be reported immediately.
Work about the ship which might cause sparking or which involves
heat should not be undertaken unless authorised after the work area has
been tested and found gas-free, or its safety is otherwise assured.
Where any enclosed space has to be entered, appropriate precautions
should be strictly observed. Dangerous gases may be
released or leak from adjoining spaces while work is in progress and
frequent testing of the atmosphere should be undertaken. `Permit-to-work'
procedures should generally be adopted .
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