Volume 5, Issue 3 (11-2013)                   tkj 2013, 5(3): 42-48 | Back to browse issues page


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Daneshvar S, Mortazavi S, AtrKar Roshan S. Fire risk assessment in DC Tehran metro trains with Fault Tree Analysis. tkj. 2013; 5 (3) :42-48
URL: http://tkj.ssu.ac.ir/article-1-376-en.html

1. Department of Occupational Health University of Tarbiat modaress , mortazaz@modares.ac.ir
Abstract:   (6061 Views)
Background: Incident of fire within or outside the metro rail trains happened because of a number of reasons that cause catastrophic losses and shock to the community. This study aimed to assess the risk of fire in DC trains and subway lines in Tehran. Methods: For performing this research, after identification of fire hazards in metro trains through observation, interview techniques and review the documentation, Fault Tree Analysis (FTA) was used to determine the causes of fires in DC trains at Tehran metro. Also with quantitative analysis of the fault tree, fire risk probability was calculated during a year. Results: The main effective causes of DC trains fires in Tehran metro were lack of a regular program of preventive maintenance, lack of proper maintenance, poor quality equipment, not embedded data logger for monitoring resistance roof train temperature changes and the mode of train navigation. The probability of a hazard was calculated as one in each 1.3 years. Conclusion: By training courses for personnel involved and careful monitoring during maintenance and installation of equipment, installation of thermal monitoring equipment and appropriate training of operators could significantly reduce the fire occurrence risk.
Full-Text [PDF 1267 kb]   (1625 Downloads)    
Type of Study: Research | Subject: Safety and occupational accidents
Received: 2013/10/29 | Accepted: 2013/11/12 | Published: 2013/11/12

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