Blog archive2018-02-20T17:08:52+00:00

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The holes in the Swiss cheese are escalation factors… or activities?

The holes in James Reason’s Swiss cheese model can be represented through escalation factors in the bowtie method. Although, theoretically, that may be true. Practically, it might be of more added value if they are considered to be activities that are part of your safety management system. This blog will show you how to make the distinction between escalation factors and activities, and also on when it might be more useful to change an escalation factor to an activity. Escalation factors and how to use them: sparingly An escalation factor [...]

September 13th, 2018|Blog, BowtieXP|

The holy grail of process safety – Closing the gap between theory and practice

Guest blog by Simon Pollard from Evolution Compliance and Management Solutions Ltd.  Whilst on a rare family hike in the Dales, an uncle I’d not seen for some time asked me what it was I was doing for a living as he’d heard I’d left what he perceived to be a secure employee role to pursue a path in a freelance capacity under my own steam. As the beautiful Yorkshire scenery rolled by under a baking sun, I found myself in an interesting conversation explaining the basic concepts of process safety [...]

September 4th, 2018|Blog|

3 concepts of great process safety minds that should be in your bowtie diagram

In 2006, the Journal of Loss Prevention in the Process Industries published an excellent article on barriers by Snorre Sklet. The name of the article is “Safety barriers: Definition, classification, and performance” and it is highly recommended to read for everyone in the process (safety) industry who is into barrier thinking. In the article, Sklet looks at the safety barrier concept in different industries through literature study and based on experience from several research projects. He summarizes his findings by clarifying barrier terminology, classifications and other supporting concepts. In addition [...]

August 22nd, 2018|Blog|

Principles of Forensic Engineering Applied to Industrial Accidents

Guest blog by Prof. Luca Fiorentini and Prof. Luca Marmo A good investigator collects evidence, analyzes them, finds the root causes and the relations among these causes that lead to the accident and provides suggestions about corrective actions to avoid the reoccurrence of the undesired event. In this blog, Prof. Luca Fiorentini and Prof. Luca Marmo show why its important for investigators to focus on the system rather than the individual. Going beyond the widget in industrial incident analysis! When investigating an industrial accident or a near-miss, the primary goal [...]

August 16th, 2018|Blog|

5 Reasons why you should communicate risk with a bowtie

Risk assessments are usually executed by the safety department of an organization, so for them, the management of safety is quite clear. The struggle comes when they try to communicate risk outside the safety department at different levels, from higher management to the work floor. We see more and more organizations using the bowtie method to get their message across. Here are 5 reasons why: 1 - A bowtie diagram tells the whole story A bowtie is a storytelling picture of how risk is managed in your organization. Before starting [...]

August 8th, 2018|Blog|

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