Abstract
Human errors are one of the major contributors of accidents. In order to improve the safety performance, human errors have to be addressed. Human Factors Analysis and Classification System (HFACS) has been developed as an analytical framework for the investigation of the role of human errors in aviation accidents. However, the HFACS framework did not reveal the relationships describing the effect among diverse factors at different levels. Similarly, its interior structure was not exposed. As a result, it is difficult to identify critical paths and key factors. Therefore, an improved Human Factors Analysis and Classification System in the construction industry (I-HFACS) was developed in this study. An analytical I-HFACS mechanism was designed to interpret how activities and decisions made by upper management lead to operator errors and subsequent accidents. Critical paths were highlighted. Similarly, key human factors were identified, that is, “regulatory factors,” “organizational process,” “supervisory violations,” “adverse spiritual state,” “skill underutilization,” “skill-based errors,” and “violations.” Findings provided useful references for the construction industry to improve the safety performance.
Highlights
Construction work is highly associated with safety hazards
If each accident case scored more than 6 points in the same subcategory, which means 60% of the 9 analysts believed that the cause of the construction safety accident case was related to the subcategory of the Improved HFACS (I-HFACS) framework for accident causes, we code “1,” otherwise “0.”
Rough a critical review of literature [18,38,64,65,66,67], this study identified the initial version of the I-HFACS framework according to the following 3 principles: (1) all detailed items reflect the subcategory they belong to; (2) there is a distinct division among different detailed items; and (3) all detailed items are clear and not ambiguous. en, the consistency check was carried out to confirm the final improved HFACS framework (I-HFACS)
Summary
Construction work is highly associated with safety hazards. In America, fatal injuries of the private construction sector were 937 in 2015, with 4 percent rise, which was the highest since 2008, ranking first among the 16 industry sectors [1]. E systematic approach [9] views human errors as a consequence, rather than a cause. Erefore, the system approach should be adopted to examine human errors for the construction safety improvement [11]. Wiegmann and Shappell suggested that HFACS (Human Factors Analysis and Classification System), which was initially developed for aviation, was an open tool of systematic analysis and should be adjusted according to specific characteristics of different industries [12]. Erefore, the aims of this study are (1) to develop the modified and improved HFACS within the Chinese construction industry context and identify the impact mechanism and interior structure of it and (2) to identify the critical paths and key human factors affecting high frequency of occurrence of accidents in the construction industry based on this model To solve the distribution problem with limited resources, it is essential to identify critical paths, key factors, and priorities for managers [14]. erefore, the aims of this study are (1) to develop the modified and improved HFACS within the Chinese construction industry context and identify the impact mechanism and interior structure of it and (2) to identify the critical paths and key human factors affecting high frequency of occurrence of accidents in the construction industry based on this model
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