Hazards and Risk Assessment is the first step in the IEC 61511 Safety Lifecycle model. This is a critical activity as it identifies all potential hazards and operation issues in the current design, which may require further risk reduction.
The very first step in the process safety lifecycle is to ensure all potential hazards in the process and the associated equipment are identified. This step is crucial as all subsequent functional safety activities are designed around preventing these hazards or mitigating their impact.
Yokogawa works closely with the site plant engineers. All aspects of the process plant is scrutinized node-by-node, to identify hazard and operational issues. During this critical assessment, safeguards including safety instrumented functions (SIF) are identified and recorded for each of the situations.
Yokogawa utilises field experienced Functional Safety Experts, who are skilled in systematic hazard identification methods, to ensure all potential hazards in the process plant are identified. Upon completion of the Hazard and Risk Assessment clients are provided with
- An overview of all possible unwanted disturbances and their initiating events
- Determination of existing or new SIFs and other safeguards for each hazard
- Documentation of the HAZOPs results and justification for Safety Functions
- Action planning for improvements of the process or required clarification
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