4. Permit-to-work systems
4.1. General provisions
4.1.1. The permit-to-work system is a method whereby safety procedures are
specified in writing on a form issued to seafarers who are entrusted with a task which
may involve work of a hazardous nature.
4.1.2. Permits should only be used for the more hazardous tasks and the system
should not become over-complicated.
4.1.3. The form should describe the work to be carried out and the necessary
safety precautions. All foreseeable hazards should be considered, a predetermined safe
procedure should be adopted and the appropriate precautions should be written down in
a correct sequence.
4.1.4. The permit should contain a carefully planned checklist to identify, control
or eliminate hazards and should state the emergency procedure in the event of an
4.1.5. A permit should be issued only by an officer with experience in the work
operation. The officer should ensure that the checks have been properly carried out and,
together with the person in charge, sign the permit only when satisfied that it is safe for
the work to proceed. The master should countersign any such permits.
4.1.6. Procedures for locking off at points of isolation and signing for, and the
subsequent cancellation of, permits and "making live" should be covered.
4.1.7. A sample permit is included in Appendix 1.