Abstract
An improved accident causation model which demonstrates the relationships among different causal factors was proposed in this study. It provides a pathway for accident analysis from the individual level to the organizational level. Unsafe acts and conditions determined by individuals’ poor safety knowledge, low safety awareness, bad safety habits, etc. are the immediate causes of an accident. Deficiencies in safety management systems and safety culture remain the root causes, which can cause consequences at the individual level. Moreover, the weaknesses of an organization’s safety culture can have a great impact on the formation of a good safety climate and can further lead to poor decision-making and implementation of procedures in the safety management system. In order to contribute to a better perception and understanding of the accident causation model, one typical case in the process industry, the oil leak and explosion of the Sinopec Donghuang pipelines, was selected for this study. The causality from immediate causes to root causes is demonstrated in sequence and can be shown in this model explicitly and logically. Several important lessons are summarized from the results and targeted measures can be taken to avoid similar mistakes in the future. This model provides a clear and resourceful method for the safety and risk practitioner’s toolkit in accident investigation and analysis, and the organization can use it as a tool to conduct staff trainings and thus to keep accidents under control.
Highlights
Accident analysis/investigation is widely recognized as a crucial part of comprehensive and efficient safety management [1]
The red arrows indicate the steps for accident analysis, which begins from bad outcomes to from badcauses, outcomes to immediate causes, safety to flaws in an employee’s safety knowledge, safety immediate to flaws in an employee’s knowledge, safety awareness, safety habits, etc., awareness, safety habits, etc., and deficiencies in the organization’s safety management system, and and deficiencies in the organization’s safety management system, and to the weaknesses in to the weaknesses in safety culture
This article articlepresents presents improved accident causation model its application in accident through a specific case, the oil leaks and explosion of the
Summary
Accident analysis/investigation is widely recognized as a crucial part of comprehensive and efficient safety management [1]. Public Health 2019, 16, 2756 when used for analyzing accidents Through accurate comparison, their common disadvantage lies in that they fail to define the accident cause and each level so that people may not prevent accidents by directly, accurately, or conveniently applying the analytical processes and interpreting their results [2,13]. An improved accident causation model and a detailed accident analysis method was proposed [14] This approach has already been applied in different domains, such as coal mine accidents [15,16,17], hazardous chemical accidents [18,19], aviation accidents [20,21], ferry accidents [22], and construction accidents [23]. An analysis of a recent high-profile incident in the petrochemical domain, the oil leak and explosion of the Sinopec Donghuang pipelines, is presented as a case study
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