Page 157 - International safety guide for oil tankers and terminals

MANAGEMENT OF SAFETY AND EMERGENCIES

The risk assessment should identify hazards associated with the risks to
fire watch personnel and their means of exacuation in an emergency. The
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risk assessment should also include additional personal protective
equipment required to ensure risk levels are acceptable.

งานห้องสมุด ศูนย์ฝกพาณิชย์นาวี
A written plan for undertaking the work should be completed, discussed
and agreed by all who have responsibilities in connection with the work.

This plan should define the preparations needed before work
commences, the procedures for actually carrying out the work and the
related safety precautions. The plan should also indicate the person
authorising the work and the people responsible for carrying out the
specified work, including contractors if appropriate. (See also
Section 9.7.)

A Responsible Officer, who is not directly involved in the Hot Work, should
be designated to ensure that the plan is followed.

The Hot Work permit should be issued immediately before the work is to
be performed. In the event of a delay to the start of the work, all safety
measures should be re-checked and recorded before work actually
commences.

If the conditions under which the permit has been issued should change,
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Hot Work must stop immediately. The permit should be withdrawn or
cancelled until all conditions and safety precautions have been checked
and reinstated to allow the permit to be reissued or re-approved.

The work area should be carefully prepared and isolated before Hot Work
commences.

Fire safety precautions and fire extinguishing measures should be
reviewed. Adequate fire-fighting equipment must be prepared, laid out
and be ready for immediate use.

Fire watch procedures must be established for the area of Hot Work and
for adjacent spaces where the transfer of heat or accidental damage
might create a hazard, e.g. damage to hydraulic lines, electrical cables,
thermal oil lines etc. The fire watch should monitor the work and take
action in case of ignition of residues or paint coatings. Effective means of
containing and extinguishing welding sparks and molten slag must be
established.

The atmosphere of the area should be tested and found to be less than
1% LFL.

The work area must be adequately and continuously ventilated and the
frequency of atmosphere monitoring must be established. Times of
atmosphere monitoring and results should be recorded on the Hot Work
permit.

If it is necessary to carry out Hot Work in a dangerous or hazardous area
(see Definition) the guidance given in Section 9.4.4 should also be
followed.

When alongside a terminal, Hot Work should only be permitted in
accordance with prevailing national or international regulations, port and
terminal requirements and after all necessary approvals have been
obtained.

© ICS/OCIMF/IAPH 2006 123