Leila Azizi Baraftabi - Department of Industrial Engineering Eyvanekey University, Garmsar, Iran
Mahdi Bastan - Department of Industrial Engineering and Management Systems, University of Technology, Tehran, Iran
Alimohammad Ahamdvand - Department of Industrial Engineering Eyvanekey University, Garmsar, Iran

There are exist unacceptably high of occupational accidents and injuries despite the obvious benefits of legal, moral and financial, maintenance through occupational health and safety management systems for employers as well as improvements in occupational health and safety in recent years. Should be developed and implemented the occupational health and safety management system to make a work environment health and safety situation. This system is composed of other subsystems that the design and proper functioning require a comprehensive and holistic understanding of its function. This study is deal with the development occupational health and safety management system aimed at reducing occupational accidents. The results of this study show how an organization can improve occupational health and safety performance by identifying occupational health and safety hazards and risk assessment. As well as are done the proper implementation of these subsystems by factors such as human resource empowerment, commitment to the policy of occupational health and safety, occupational health and safety improvement programs, and infrastructure development, culture and analysis of the accidents, control contractors, emergency response and audits. Thus, can be provided by understanding gained from this learning system, efforts by providing a suitable decision support system, admitted efficient and effective policies to improve the safety and performance.

Accidents, Hazard, Risk, Occupational Health and Safety System Management, System Dynamics