Authors : Jesica Margaretha Sane; Andi Asnudin; Adnan Fadjar

Volume/Issue : Volume 11 - 2026, Issue 7 - July

Google Scholar : https://tinyurl.com/35pnjja7

Scribd : https://tinyurl.com/2x3a5tk2

DOI : https://doi.org/10.38124/ijisrt/26jul740

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Abstract : Infrastructure projects located in disaster-prone areas of Palu City face significant occupational safety risks due to the interaction between construction hazards and natural disaster threats, including earthquakes, tsunamis, liquefaction, floods, landslides, and extreme weather events. This study aims to identify construction worker safety risks, analyze and evaluate their risk levels, and formulate appropriate mitigation strategies based on the AS/NZS ISO 31000:2018 Risk Management framework. A mixed-methods approach was employed by distributing questionnaires to 39 respondents representing project owners, supervising consultants, and contractors across three infrastructure projects in Palu City. The quantitative data were complemented by interviews, field observations, and document reviews. Risk analysis was conducted using the Likelihood × Consequence risk matrix. The findings identified six major categories of occupational safety risks. The highest risk in the Palu IV Bridge Approach Project was mass worker fatalities caused by a tsunami, with a risk score of 20 (Extreme). In the Electrical Engineering Laboratory Project of Tadulako University, the highest risk was worker fatalities resulting from earthquakes, also with a risk score of 20 (Extreme). Meanwhile, the Palu Riverside Park Project recorded the highest risk of earthquake-related worker fatalities, with a risk score of 21 (Extreme). The study concludes that implementing AS/NZS ISO 31000:2018, supported by the hierarchy of risk controls, early warning systems, evacuation routes, disaster preparedness training, and the proper use of personal protective equipment (PPE), can significantly enhance the effectiveness of occupational safety risk management in infrastructure projects located in disaster-prone areas.

Keywords : AS/NZS ISO 31000:2018; Occupational Safety and Health (OSH); Risk Management; Infrastructure Projects; DisasterProne Areas.

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