Analysis of construction safety risks using AHP-DEA integrated method

The Construction industry is known as one of the most dangerous industries in the, work-related mortality, injury rates and workers compensation payment. Industrial accidents are due to inefficiency of conventional methods of risk assessment and performing activities, regardless of safety standards, that it will affect extremley on health and safety staffs. Thus identifying and assessment risks is an essential step in this industry. The safety analysis is an effective act for the identification, assessment and control of risks in this industry. This paper uses systematic and integrated AHP-DEA methodology for safety risk assessment. In the case study of Iran's common construction projects, 20 danger potential activities with high potential of hazards, 10 accident caused by these activities and 12 factors for identification of causes of accidents are enacted. They were evaluated using judgment of safety experts and projects supervisors by questionnaire. Finally, excavation activities and work in elevations were recognized the most risky activity in terms of safety, that strategies were presented to improve and prevent accidents caused by these activities.