External Plant Fires: What’s the Likelihood?

“A spark neglected makes a mighty fire.”  Robert Herrick During a process hazard analysis (PHA) and a layer of protection analysis (LOPA), the scenario of an external plant fire frequently arises. From our experience facilitating PHAs and LOPAs, we’ve found that a common cause for this is a pooling of flammable liquid or oil getting [...]

By | 2017-09-07T14:02:34+00:00 September 7th, 2017|Chemicals, Gas, PHA, Process Safety, Risk Assessment|0 Comments

Pressure, How high is too high?

“Safety is not a gadget but a state of mind.”  Eleanor Everet Over-pressure scenarios can be defined as a situation resulting from the internal pressure within piping or vessels exceeding the maximum allowable working pressure (MAWP).  The term “over-pressure” can make those in the process industry cringe. This revulsion is born from associating the term [...]

By | 2017-07-21T19:20:57+00:00 March 7th, 2017|PHA, Process Safety Management|0 Comments

Consider

“There is no greater evil than men’s failure to consult and to consider.”  Sophocles In our office, we write a lot of recommendations.  As a rule, we begin recommendations with the words “consider” or “confirm.” This isn’t because we’re looking for weasel-words. It’s because not every recommendation is the best idea. Some recommendations aren’t even [...]

By | 2017-07-24T17:21:52+00:00 December 6th, 2016|PHA, Process Safety Management, Recommendations|0 Comments