This Concept Book would review the foundation of the method, provide instructions on how to draw the bow tie correctly and how to avoid common errors. Typical constructs for typical process threats – corrosion, impact, improper operation / human error, operational upsets, etc. would be demonstrated. The risk management information associated with every barrier would be explained, e.g. barrier owner, performance expectation, pending actions, related documents. The Guideline would address how to convene a team to develop the bow tie diagram and how the review process. Its use in ongoing facility operational management would be discussed as well as how it links to ongoing incident investigations. Application useful for Chemical, Pharma, Refiners, Government Agencies, Oil & Gas particularly off-shore technology and many others.