Evaluation and Analysis of Risk Factors in FMEA Welding  Workshops in Zabol City

Maryam  Ghaljahi; Farideh  Najjari

doi:10.18502/jzms.v4i1.6756

Maryam Ghaljahi Department of Occupational Health Engineering, School of Public Health, Zabol University of Medical Sciences, Zabol, Iran
Farideh Najjari Student of Occupational Health Engineering, School of Public Health, Zabol University of Medical Sciences, Zabol, Iran

DOI: https://doi.org/10.18502/jzms.v4i1.6756

Keywords: Risk identification, Risk analysis, Safety, Case analysis technique and failure effect, Welding workshop

Abstract

Background: Welding process is classified as one of the most widespread and widely used activities in industrial environments. Welding is one of the risky professions and the workers working in this sector are exposed to many risks. Identifying and evaluating the existing risks and managing them plays an important role in maintaining the health of workers and making their work environment healthier. The purpose of this study was to identify and evaluate the hazards caused by the use of devices in the welding process using the FMEA method in welding workshops in Zabol in 2021.

Methods: This cross-sectional analytical study was performed on 77 welding workshops in Zabol. In this study, in the first step, the main risks in welding workshops were identified and based on FMEA logic, for each risk caused by the machines, three indicators of severity, probability and vulnerability were identified. Specified. Then the prioritization criterion was determined and based on the number obtained from the RPN index, the risks were prioritized.

Results: The findings of this study showed that in terms of risk priority in welding workshops, the highest risk priority number (RPN) with 175 is related to welding pliers (and heating of the handle due to loss of handle insulation) and drill (breaking the drill due to use Improper drill and high pressure to the machine) and the lowest risk priority number (RPN) with a value of 12 related to the millstone handle (wasting of the screw connecting the handle to the body due to lack of timely service). The results also showed that the risk priority factor various factors affecting the severity of the hazard, including: breaking the saw blade, burning the welding lathe and hitting the pliers by hand in the welding machine also had high relative priorities.

Conclusion: The results showed that based on the number of risks, a scheduled and regular schedule by labor inspectors and health centers and other related organizations to implement engineering control measures including control of chemical, physical, safety and ergonomic factors in the environment of welding workshops. Educate the employers of the workshops to get acquainted with the provisions of the labor law in welding and observe the mandatory laws, the need to use personal protective equipment, to be included in the list of strategic and practical programs.