Risk Assessment in Energy Trace and Barrier Analysis (ETBA) Using TOPSIS in Steel Making Plant of Iran National Steel Industrial Group
Steel manufacturing industry is one of the most challenging industries in the world because the employees are vulnerable to a big deal of dangers regarding to the job's nature. The study evaluated the risk levels in the steel manufacturing unit of Iran National Steel Industrial Group in 2017. Method and Materials: Interviews with professionals as well as ETBA method to manage the risk analysis of the steel manufacturing unit. The risks were compared two by two with the software "Fuzzy AHP Solver" to get weighed (this weight was considered as the risk occurrence probability value). The incident intensity and also the controlling systems were evaluated by the experts. Then the risks were prioritized based on the three factors (incident intensity, occurrence probability and controlling systems) by using the software "BT TOPSIS Solver.
Results and discussion
27 risk factors were specified under the categories of safety, health and environment. The melted inflection with the weight of 0.9018 and the gas consumption with the weight of 0.0263 were placed first and last priorities respectively. Then the results were categorized under four levels (high, serious, medium and low) where 44% were high and serious risks,41% were medium and 15%were low risks.
This study shows the most important safety risks are the melted inflection and the collision with parts and tools and that the safety risks are of higher priority than the health and environment risks in the steel manufacturing factory. At last, administrative solutions were produced to control and reduce the risks.
Article Type:
Research/Original Article
Journal of Occupational Hygiene Engineering, Volume:5 Issue: 3, 2018
25 - 34
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