Fatigue is a hazard because it may affect a seafarers ability to do their job effectively and safely. Importantly, fatigue affects everyone regardless of skill, knowledge and training. The effects of fatigue can be particularly dangerous in the transportation sector, including the shipping industry. All stakeholders should be alert to the factors which may contribute to fatigue, and make efforts to mitigate and manage the risks posed by fatigue.
Effectively dealing with fatigue in the maritime environment requires a comprehensive and holistic approach that recognizes ship design, and the roles and responsibilities of all stakeholders in the mitigation and management of fatigue. An effective fatigue management strategy begins with determining operational workload requirements and matching onboard manning levels and onshore support resources, combined with efficient management of workload and hours of work and rest on board the ship. There is no one-system approach to addressing fatigue, but there are certain principles that should be addressed in order to gain the knowledge and the understanding to manage this human element issue.
The IMO Guidelines provide information on the causes and consequences of fatigue, and the risks it poses to the safety and health of seafarers, operational safety, security and protection of the marine environment. It has been prepared to assist all stakeholders in contributing to the mitigation and management of fatigue.
The Guidelines are composed of modules each devoted to an interested party. The modules are as follows:
Module 1 Fatigue
Module 2 Fatigue and the company
Module 3 Fatigue and the seafarer
Module 4 Fatigue, awareness and training
Module 5 Fatigue and ship design
Module 6 Fatigue, the Administration and port State Authorities
Appendix 1 Examples of sleep and fatigue monitoring tools
Appendix 2 Example of a fatigue event report information
The modules are all interrelated; it is recommended that all parties become familiar with module 1, which contains general information on fatigue. It may be beneficial if the reader becomes familiar with modules other than the immediately applicable one.
These guidelines should be taken into consideration when:
developing, implementing and maintaining safety management systems under the ISM Code;
promoting fatigue mitigation and management;
promoting awareness of the causes and consequences of fatigue and developing and delivering training programmes and courses;
conducting casualty or accident/incident investigations; and
preparing applications for minimum safe manning documents or when determining minimum safe manning levels for ships.
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