BowTies are a pictorial representation of the relationship between potential threats, preventive/ control barriers in place and the ultimate consequences associated with each MAH.Continue Reading

1. Personnel not really familiar with the risk terms 2. Personnel lack of understanding of the organisation, function or process being risk assessed 3. The organisation culture is unsupportive towards the risk management implementation 4. The responsibility and ownership of the risk implementation action is unclear 5. How the risk should be communicatedContinue Reading

The barrier model presents the barriers in place to prevent unwanted events from taking place as well as to protect against their consequences.Continue Reading

A barrier is present between a threat and its unwanted consequences due to a chain of events. It can either eliminate the threat or prevent the consequences of it.Continue Reading

An operational barrier is a human action or response that activates a physical barrier to bring back the process from an abnormal state to a normal state, thereby enhancing the total system reliability.Continue Reading

Process Safety Barriers are physical / non-physical means planned to detect control, mitigate, and recover the impact of the hazard event consequences.Continue Reading

Risk barriers are safety measures or controls that provide an effective means against known risks to prevent unwanted events from taking place as well as to protect against their consequences.Continue Reading

Front line barrier management refers to personnel who are critical in ensuring all safety-critical task/activity is carried out to maintain the effectiveness of all barriers identified for a facility.Continue Reading

Barrier based risk management is about identifying the critical controls (barriers) and understanding the status and effectiveness of the barriers to managing the risk.Continue Reading

Bowtie is a tool of risk assessment that demonstrates/visualise the relation between the causes, hazard, top event, consequences also safeguard and controls that can be considered as preventive (barrier) / mitigating measures.Continue Reading