Bow Tie Risk Assessment
A good Bow Tie Risk Assessment may require analysis of:
- Hazards and threats (e.g., software viruses)
- Barriers to prevent catastrophic event (e.g., anti-virus software, periodic scans)
- Events (e.g., system shutdown due to software virus
- Barriers to prevent harm to others (e.g., shutdown and full system scan)
- Consequences of not preventing virus intrusion
There are two styles of Bow Tie templates in QI Macros Add-in for Excel
To access these templates, click on the QI Macros menu > Improvement tools > Hazard Analysis - Bow Tie:
The template has several tabs. There are two box tie assessment templates. One is similar to the Shell Oil template and another format was provided by a customer: