“…], trough documented experiences, best practices, and expert references'' (Norheim and Fjellheim, 2007:2). Keeping these documents up to date is important, and although most documents are developed according to a top-down approach, a Safety Management System can also be an instrument for knowledge flow the other way so the practical experience and implicit knowledge of the workers can be incorporated in the living documents (Hale et al, in press;Hale and Borys, 2013;Blakstad et al, 2010;Bragatto et al, 2010). Safety Management Systems are integrated mechanisms in the organizations, and the purpose is to control the hazards that can affect workers' health and safety , to maintain risk within an acceptable range in the operations of any organization , and to help the organization meet the regulatory requirements .…”