Bow tie methodology

A bowtie enables you to visualise the risks you are dealing with in just one, easy to understand picture. This is the simplest methodology to effectively communicate Hazards, Threats, Consequences and Controls in any process to cope up with today’s dynamic business environment.

The methodology takes is parentage from the Fault Tree Analysis and the Event Tree Analysis blended with Reasons’s Swiss cheese model. The resulting diagram is shaped like a bow-tie, creating a clear differentiation between proactive and reactive risk management. The power of a BowTie is that it shows you a summary of scenarios in a single picture. In short, it provides a simple, visual explanation of risk that would be much more difficult to explain otherwise.

The bowtie methodology is used in various industry sectors

Chemicals • Process • Aviation • Oil & Gas – Offshore / Onshore • Manufacturing • Steel • Construction • Infrastructure • Project Management • Information Technology • Telecommunications • Environment • Power • Health / Hospitals • Logistics • Farming • Water Transport • Rail Transport •Road Transport • Shipping/Maritime • Aviation • Regulatory bodies • Finance • Education • Airports • Defence – Army /Navy / Airforce

The bowtie diagram consists of the following 8 building blocks or stages of evaluation.

The Final bowtie diagram.