This study addresses occupational safety risks in the maintenance division of PT. XYZ, where hazardous industrial activities can cause workplace accidents and threaten worker health. It aims to identify and analyze potential hazards using the Job Safety Analysis (JSA) method to support effective risk prevention. Each maintenance activity was systematically broken down into specific work steps to facilitate hazard identification and risk classification. The results identified 22 potential hazards, comprising 13 low-risk, 7 medium-risk, and 2 high-risk hazards, namely hydrogen sulfide (H?S) gas exposure and entrapment. Recommended controls include implementing standard operating procedures (SOPs) and providing appropriate personal protective equipment (PPE). These findings demonstrate that JSA supports systematic hazard assessment and strengthens occupational safety awareness. However, observations were limited to one company location. Future research should examine additional industrial settings and evaluate the effectiveness of implemented risk controls in daily operations to improve workplace safety and health
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