> ## Content Index > Fetch the complete content index at: https://www.whsbrief.com/llms.txt > Use this file to discover other available public pages before exploring further. # What is a Risk Bowtie Analysis? - URL: https://www.whsbrief.com/what-is-a-risk-bowtie-analysis/ - Published: 2025-05-13T00:00:00.000Z - Updated: 2026-08-07T23:04:56.000Z - Description: Bowtie analysis is a visual risk tool that maps the causal pathways leading to an unwanted event and the escalation paths that follow it, helping organisations identify the few controls that truly matter. - Author: WHS Brief - Tags: blog ![What is a Risk Bowtie Analysis?](https://static.wixstatic.com/media/de9cb2_e7423aaa0ed7432eafcfa7ebbf760315~mv2.jpg/v1/fill/w_800,h_321,al_c/de9cb2_e7423aaa0ed7432eafcfa7ebbf760315~mv2.jpg) *Originally published by Jessica Urquhart.* If you've ever tried to build a risk register or complete an incident investigation and felt like the pieces didn’t quite line up – you’re not alone. Traditional risk assessments often focus on the event itself or the consequence, but rarely do they give us a clear line of sight into *why* an unwanted event occurred. They tend to lump all controls together, often making it hard to identify the ones that truly matter – the ones that *must* work to prevent fatalities or serious harm. So what is a Bowtie Risk Analysis? A simple but powerful tool that helps us visually map out the *causal pathways* that lead to an unwanted event and the *escalation paths* that can make things worse. And unlike traditional methods, the bowtie focuses on what matters most – the causes. ## A Quick History of Bowtie Analysis Bowtie analysis first emerged in the 1970s and was later formalised by Shell in the 1990s. It was originally developed as a barrier-based safety tool in high-risk industries like oil and gas, where the stakes were literally life and death. Since then, the bowtie method has spread across mining, aviation, chemical processing, defence, and more. Today, we’re seeing it move into broader industries including health, aged care, construction, and even small businesses – because every workplace faces critical risks. ## What is Bowtie Risk Analysis? At its core, bowtie analysis is a visual risk tool. It shows you how an unwanted event can happen and, if it does happen, how it can escalate to its maximum potential consequence. Here’s how it works: - On the **left side**, you map the *causes* that could lead to the unwanted event. - In the **centre**, you identify the *unwanted event* itself. - On the **right side**, you map the *consequences* that could result. - Across both sides, you place *controls* – some to prevent the event from happening, and some to reduce the harm if it does. The outcome is a simple visual that anyone can understand – from the frontline to the boardroom. ## Why Traditional Risk Assessments Fall Short Most businesses have a risk register. Some even have bowties. But here’s the problem, traditional risk assessments usually focus on generic hazards and consequences. Controls are listed in bulk – and they’re rarely linked to specific causes. It becomes hard to tell which controls are critical and which are simply good practice. Worse still, traditional assessments can completely *miss* certain causes, leaving gaps in your control framework without anyone realising. A common example? Listing the unwanted event as simply “fire” – without breaking it down into fire in electrical rooms, fire in plant cabins, or fire in chemical storage areas. This makes your controls vague and your investigations hard to connect back to the original risk assessment. ## Bowtie Analysis Helps Us Focus on What Matters Bowtie analysis shifts the focus away from just the risk or the consequence – and puts it squarely on the *causes*. This gives you: - Clear visibility of the *causal pathways* that could lead to an event - Better ability to identify *critical controls* – the few that matter most - A structure that matches your *incident investigation* process - A real tool for *preventing* unwanted events, not just reacting to them When developed properly, a bowtie reads from left to right and tells the full story: **How an event can occur, and if it does, how bad it could get.** ## A Must-Have for Critical Risks If your organisation is managing critical or fatal risks – and most are – bowtie analysis isn’t optional. It’s essential. Bowties should be developed at the same level of detail your investigations drill into. If your incident reports capture control failures, procedural breaches, and organisational weaknesses, then your bowtie should be just as specific. For example, “fire” is too vague. “Fire in chemical storage area” gives you a much stronger starting point for analysing causes and identifying meaningful controls. ## Common Mistakes to Avoid It’s easy to fall into the trap of creating high-level bowties that don’t reflect real-world scenarios. Watch out for: - **Vague unwanted events** like “explosion” or “injury” - **Missing causal pathways** that lead to the event - **Controls that don’t match causes** or that are too generic A bowtie is not just a picture. It’s a working model of how things can go wrong – and how we prevent them from going wrong.