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Abstract
A serious road accident happened on Monday, 11 July, 2011 afternoon in Mirsharai sub-district of Bangladesh's Chittagong district, that killed at least 44 schoolboys injured many more when the truck in which they were traveling skidded off a highway and plunged into a canal. In this study, the AcciMap methodology is applied, an extension to Rasmussen’s Risk Management Framework. This sociotechnical framework provides an insight into the interactions between different levels of a system, and supports the development of recommendations that could mitigate or prevent the outcomes of such an incident in the future. In the case of Mirsharai accident, the police and social media put the blame on the truck driver alone; however, this study, based on popular media reports, accident investigation reports and local interviews revealed mismanagement and an apparent disregard for safety across different levels of the socio-technical system. By integrating the different levels of the system, from international committees to end users, the road accident scenario of Bangladesh can be improved through developing a systematic approach to accident analysis.
Highlights
The investigation of major accidents in safety-critical systems can explore a variety of contributing factors, both from within involved organizations and from dysfunctional interactions between them in a broader perspective [1]
Given the current focus in accident analysis on the end user and immediate environment, there is a significant need for accident investigation frameworks that integrate the analysis of contributing factors from different parts of a sociotechnical system, and the interactions between them [1]
It is a method to model actors and interactions at all levels of a system. It provides a hierarchical description of a sociotechnical system
Summary
The investigation of major accidents in safety-critical systems can explore a variety of contributing factors, both from within involved organizations and from dysfunctional interactions between them in a broader perspective [1]. Given the current focus in accident analysis on the end user and immediate environment, there is a significant need for accident investigation frameworks that integrate the analysis of contributing factors from different parts of a sociotechnical system, and the interactions between them [1]. Sociotechnical methods include those such as the systems-theoretic accident model and processes (STAMP) by Leveson [3, 4], Reason's model of organizational accidents [5], and. One crucial point of consideration in this regard is to observe the actions of workers or the errors that triggered an accident in a broader sociotechnical context since those actions are impacted by the decisions and activities of other actors in all the stated levels of the system
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