Volume 3, Issue 4 (Winter 2017)                   johe 2017, 3(4): 22-30 | Back to browse issues page


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Azhdari M, Monazami Tehrani G, Alibabaei A. Investigating the causes of human error-induced incidents in the maintenance operations of petrochemical industry by using HFACS. johe. 2017; 3 (4) :22-30
URL: http://johe.umsha.ac.ir/article-1-220-en.html
Assistant Professor Department of Industrial Safety, School of Health, Safety and Environment, Shahid Beheshti Medical University of Science , ghazaltehrani27@gmail.com
Abstract:   (2411 Views)

Background & Objectives: Maintenance is an important tool for the petrochemical industries to prevent of accidents and increase operational and process safety success. The purpose of this study was to identify the possible causes of incidents caused by human error in the petrochemical maintenance activities by using Human Factors Analysis and Classification System (HFACS).

Methods: This study is a cross-sectional analysis that was conducted in Zagros Petrochemical Company, Asaluyeh-Iran. A checklist of human error-induced incidents was developed based on four HFACS main levels and nineteen sub-groups. Hierarchical task analysis (HTA) technique was used to identify maintenance activities and tasks. The main causes of possible incidents were identified by checklist and recorded. Corrective and preventive actions were defined depending on priority.  

Results: The content analysis of worksheets of 444 activities showed 37.6% of the causes at the level of unsafe actions, 27.5% at the level of unsafe supervision, 20.9% at the level of preconditions for unsafe acts and 14% of the causes at the level of organizational effects. The HFACS sub-groups showed errors (24.36%) inadequate supervision (14.89%) and violations (13.26%) with the most frequency.

Conclusion: In order to prevent and reduce the occurrence of the identified errors, reducing the rate of the detected errors is crucial. Findings of this study showed that appropriate controlling measures such as periodical training of work procedures and supervision improvement decrease the human error-induced incidents in petrochemical industry maintenance.

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Type of Study: Research Article | Subject: Special

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