| Summary: | Our research focused on the Health, Safety, and Environment (HSE) management systems. These issues impact business processes and organizations to achieve risk, incident, and anomaly feedback analysis. Our research goal was to investigate an HSE integrated management system’s impact on key safety performance indicators, a retrospective empirical nature. This system was done in phase one of the South Pars gas complex in Iran by using three safety indices; total recordable incident rate (TRIR), lost time injury frequency (LTIF), and total recordable cases frequency (TRCF). In this study, we investigate these indicators for contractors and operators in industrial and non-industrial areas. The data collected included accident reporting, incident analysis, and incident review for two years from April 2017 to March 2018. The results showed an essential difference in the number of hot spots between different safety indices in this period. In this study, the primary sources of accidents have been considered. The research results in total TRIR have not significant changes from Apr to Jun 2017, and its changes only amount to 0.03. The maximum value for TRIR decreased continuously, and the LTIF indicator value for both company and contractor is zero, while its target in 2017 and 2018 can get to 0.33 and 0.25, respectively. An essential part of the conclusions shows that defining indicators can help the immune system’s effectiveness, detecting malformed feedback, risk reduction, and continually improving the system.
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