Exam Question
(a) What are the permit to work system on a ship? Name at least three permit to work system used and their significance. (8)
(b) Prepare a checklist for making a man entry into a tank which had previously carried fuel oil. (12)
Class 4 (4th Engineer)
SSEP
📅 Jun 2025
Reference Answer
### (a) Permit to Work System
A Permit to Work (PTW) system is a formal, documented management procedure designed to control high-risk, non-routine tasks. It is a core component of a ship's Safety Management System (SMS) as required by the ISM Code. Its primary purpose is to ensure that all foreseeable hazards have been identified, a thorough risk assessment has been conducted, and robust safety precautions are implemented and maintained throughout the duration of the work. The permit serves as a checklist and a formal record, ensuring clear communication and transfer of responsibility between all parties involved, including management, supervisors, and operators.
A PTW is not simply permission to carry out a dangerous job; it is an essential part of a procedure that specifies the conditions and precautions required to ensure the task is performed safely.
Three common types of work permits used on board ships and their significance are:
A Permit to Work (PTW) system is a formal, documented management procedure designed to control high-risk, non-routine tasks. It is a core component of a ship's Safety Management System (SMS) as required by the ISM Code. Its primary purpose is to ensure that all foreseeable hazards have been identified, a thorough risk assessment has been conducted, and robust safety precautions are implemented and maintained throughout the duration of the work. The permit serves as a checklist and a formal record, ensuring clear communication and transfer of responsibility between all parties involved, including management, supervisors, and operators.
A PTW is not simply permission to carry out a dangerous job; it is an essential part of a procedure that specifies the conditions and precautions required to ensure the task is performed safely.
Three common types of work permits used on board ships and their significance are:
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