A HAZOP-based hazard identification model for urban gas accidents: Development and empirical validation
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View abstract on PubMed
Summary
This summary is machine-generated.A new structured hazard identification model for urban gas systems improves safety by standardizing hazard screening. This approach significantly enhances the comprehensiveness and accuracy of identifying potential gas-related risks.
Area Of Science
- Urban safety engineering
- Risk management systems
- Gas infrastructure integrity
Background
- Urban gas accidents present substantial risks to public safety and infrastructure.
- Traditional hazard identification relies on manual methods, often yielding incomplete or inconsistent results.
- Existing approaches lack standardization and struggle with dynamic risk factors.
Purpose Of The Study
- To develop a structured hazard identification model for urban gas systems.
- To enhance the accuracy, comprehensiveness, and efficiency of hazard identification processes.
- To provide a standardized tool for urban gas safety management.
Main Methods
- Utilized Hazard and Operability Analysis (HAZOP) deviation theory.
- Integrated human, machine, environment, and management dimensions into a comprehensive framework.
- Defined system nodes, selected parameters, and applied guide words for standardized hazard identification.
Main Results
- Identified 65 potential gas-related hazards in a restaurant case study, exceeding traditional methods eightfold.
- Demonstrated significant improvements in the comprehensiveness and accuracy of hazard identification.
- Validated the model's effectiveness in dynamic adjustment for different scenarios.
Conclusions
- The proposed model offers a practical and standardized approach to urban gas safety management.
- It supports hazard screening across diverse sectors like residential buildings, schools, and commercial complexes.
- The study lays groundwork for integrating quantitative risk assessment and AI for future gas safety governance.
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