Hazard Identification in Steam Boilers (Case Study: Farabi Hospital)
Steam boiler is a closed system uses fuel to produce steam and is a commonly used primary utility in industries. The system poses many health, safety, and environmental hazards, which is the main reason for the need to correctly identify hazards in this unit. In this study, two methods were used to identify the most important hazards in the steam boiler. All hazards categorized and scored by HAZID (Hazard Identification method) checklists, and then, prioritized using ANP (Analytical Network Process) method. The risk assessment team, in this study, found 58 hazards in 4 categories, from which 6 hazards were weighted by Super Decision software. Accordingly, job stress (with the weight of 0.27) and cooling system aspect (with the weight of 0.09) were recognized as the most important and the least important hazards, respectively. This study achieved accurate hazard ranking in an important utility for dealing with changes at any time and showed the importance of considering all aspects in hazard identification of steam boilers in different industries.
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