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January 29, 2019

Trevor Kletz, in his book HAZOP and HAZAN, noted:

Although HAZOP is a valuable technique, no-one jumps out of bed on a Monday morning shouting, ‘Hooray! I’ve got a HAZOP today!’.

The need to consider every deviation on every line can become tedious. Beware of making it...

June 2, 2017

I'm pleased to announce that my paper "Visual HAZOP – exploiting the power of Bowties to improve study efficiency and enhance engagement" has been accepted for delivery at both the CCPS Process Safety Congress in Prague and the WCCE Process Safety Symposium in Barcelon...

May 5, 2017

If you're attending Hazards27, you perhaps won't be surprised to see/hear the term "barrier" becoming more prevalent than in previous years. Over time, these have been called safeguards, controls or protection measures - regardless of their name, they are an integral p...

February 3, 2016

A recent post about "HAZOP in hard times" has coincided with my discovery of the sunburst chart in Excel 2016 (I think these used to be called Opal Fruits) as a means to visualise potential causes for Loss of Containment.

Apart from the idea of a 'bikini' HAZOP (only c...

January 31, 2016

I previously commented on the potential 'bluntness' of our trusty hammer we call HAZOP and recently visited a site and saw a poster with a screenshot of a HAZOP worksheet but didn't recognise the application.

I eventually figured out it was Isograph Hazop+ which reminde...

October 8, 2015

A frustrated friend shared stories today of HAZOP studies he'd attended where the plant personnel were not engaging with the process and when asked "What If there is {insert Guideword + Parameter here}" the response was "it's never happened here - so no need to discuss...

September 11, 2015

You may be aware of the phrase "...it is tempting, if the only tool you have is a hammer, to treat everything as if it were a nail." which comes from a concept known as the law of the instrument or Maslow's hammer, as an over-reliance on a familiar tool.

In the Process...

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