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Construction projects are one of the most important sectors of the economy of the country, which has a high capacity for job creation. Construction projects as part of a huge and strategic set of construction projects that unfortunately have a large share of work-related accidents due to the lack of attention to safety. One of the most important issues that can contribute to these events in construction projects is the weakness or lack of comprehensive and efficient risk management. The purpose of the present study was to identify and rank safety risks in construction projects with the combined approach of FUZZY FMEA and FUZZY TOPSIS Materials and Methods: This study is descriptive-survey research in terms of purpose and terms of data collection The research was conducted by case study in the case of Qasrdaria town project in Mahmudabad city in 2015. Data collection was through a field study on the statistical population, including project managers, supervising and executive engineers, and building safety experts. The data were calculated in MATLAB and EXCEL software and the output of FUZZY FMEA and FUZZY TOPSIS methods were analyzed. This method for subsequent stages of risk assessment and risk control based on their priority, as well as cost savings. Results: The identified risks were given to the building safety specialists in the form of a questionnaire. The most important risks extracted from the FUZZY T.O.P.S.I.S method were related to the colliding crane arm with the building and then slipping and falling off the people from the stair ramp. In the FUZZY F.M.E.A method, the risks associated with falling from the edge of the pit, slipping and falling off the stair ramp, as well as falling from the scaffolding and workstations are the

Safety risk assessment and ranking of the construction projects with combined approach of FMEA and fuzzy TOPSIS