This study explored current knowledge and use of weak signals in safety. Thanks to Clive Lloyd for sharing this a couple weeks back. As you’d expect, this sort of topic, based on accidents, is pretty replete with hindsight and outcome knowledge but is interesting nevertheless. Extracts: · They have been defined as an “…imprecise early indication… Continue reading The use of weak signals in occupational safety and health: An investigation
Tag: macondo
Thinking About Process Safety Indicators
This well-cited paper from Hopkins (2007) discusses some of the inconsistencies that existed at the time (and likely does still) about process safety indicators, and the definitions and uses of other indicators like leading and lagging. This paper sparked a number of interested follow-up papers from other authors – I’ll cover some of these soon.… Continue reading Thinking About Process Safety Indicators
Management walk-arounds: Lessons from the Gulf of Mexico oil well blowout
This 2011 paper from Andrew Hopkins discusses the function of management walkarounds, and their role in the genesis of major accidents, using the Macondo blowout accident. *** Note: This type of description is replete with counterfactuals and the clarity of hindsight, so keep that in mind. Overall, Hopkins argues that despite the best intentions of… Continue reading Management walk-arounds: Lessons from the Gulf of Mexico oil well blowout