IRSN, Institut de radioprotection et de sûreté nucléaire

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Research units

Human factors study department (SEFH)

The Human Factors Study Department (SEFH) is responsible for conducting safety analyses of all the human activities (operation, experimentation, maintenance) contributing to the safety of civil and secret installations (experimental and power reactors, fuel cycle plants, laboratories) under normal operation and in accident situations, during the various stages of their life (design, construction, operation and dismantling).

To achieve this, the service:

  • Analyzes the design of the supervision interfaces, the computerized control and work station procedures on the one hand and the organizations and management methods, personnel training and operational documentation on the other hand,
  • Examines how human factors and the characteristics of work activities are taken into account, on the one hand in the safety approach associated to the technical and organizational design process, and in the constitution of experience feedback on the other hand,
  • Analyzes files transmitted within the regulatory framework and relative to taking into account human activities in the design of installations and organizations,
  • Develops studies and research targeted on the one hand at understanding the characteristics of human activities that contribute to installation safety and on the other hand at assessing the methods for taking into account these characteristics in the design, production and operation of nuclear installations.


To carry out its missions effectively, this service organizes all necessary meetings with designers, operators, other units of the Division and the other IRSN divisions within its field of competence.

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By phone : +33 (0)

By e-mail, head of unit, François Jeffroy


Human factors study department

BP 17
92262 Fontenay-aux-Roses
Cedex France


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