Batch Processes: Consider a Procedural HazOp

“We know we need civilization and laws and procedures, but isn’t it frustrating? Wouldn’t it be great if we could just do what we needed to do?”  — Lee Child When someone thinks about a Process Hazard Analysis, a PHA, they usually think about a Hazard and Operability Review, a HazOp. And when they think [...]

Process Safety and Ethics

“Our very lives depend on the ethics of strangers, and most of us are always strangers to other people.”  — Bill Moyers One definition of ethics is “the moral principles that govern a person’s behavior.” Which means that engineering ethics would be “the moral principles that govern a person’s behavior while performing engineering.” Most of [...]

By |2021-09-02T14:55:12+00:00September 2nd, 2021|Process Safety, Process Safety Management|0 Comments

Steam or Hot Oil: Which Is Safer?

“I have always fancied that the end of the world will be when some enormous boiler, heated to three thousand millions of atmospheric pressure, shall explode and blow up the globe… They [the Americans] are great boiler makers.”  — Jules Verne I was recently asked about using hot oil instead of steam to heat process [...]

SIS and the Bathtub Curve

“When I was young, I would sit in the bath and ideas would come to me. But I’m not young anymore, so now I just sit in the bath.”  — Aki Kaurismaki “We’re installing a safety instrumented system in our existing process. Do we have to pull out all the existing instruments and replace them [...]

By |2021-07-01T14:57:47+00:00July 1st, 2021|Process Safety, Process Safety Management|0 Comments

How Much Credit for Alarms?

“Morning comes whether you set the alarm or not.”  — Ursula K. Le Guin Late one evening a few months after we moved into our offices on Cherokee Street, the alarm went off. My home is nearby, and I got there within a couple of minutes to discover that one of the doors had been [...]

Slightly Flammable? Low GWP Refrigerants and PSM

“You can’t get a little bit pregnant, son.”  — Hal Holbrook as Lou Mannheim in Wall Street, (1987) A whole new group of processes are about to become PSM-covered. Maybe. Some HVAC contractors have begun warning their customers that the new low-GWP refrigerants that they must switch to are “slightly flammable”, so may come under [...]

The Next Thing You Know: PSM-Covered Warehousing

“On the first day of school, you got to be real careful where you sit. You walk into the classroom and just plunk your stuff down on any old desk, and the next thing you know the teacher is saying, ‘I hope you all like where you’re sitting, because these are your permanent seats.’”  — [...]

Process Safety Beyond the Fence Line

“I’m an actor… I do a job and I go home. Why are you interested in me? You don’t ask a truck driver about his job.”  — James Gandolfini I’ve been struck recently by how much we don’t talk about process safety once the hazardous chemicals we make have been loaded and shipped. Process Hazard [...]

By |2021-02-18T17:00:43+00:00February 18th, 2021|Chemicals, PHA, Process Safety, Process Safety Management|0 Comments

Tribal Knowledge: Documentation Is Key

“It is beyond a doubt that all our knowledge begins with experience.”- Immanuel Kant In the hustle and bustle of our modern world, we take shortcuts to save time with minimal risks. Look at how we consume entertainment.  The NFL Red Zone is popular since it gives fans a continual highlight reel of their favorite [...]

Pool Fires

“Build a man a fire, and he’ll be warm for a day. Set a man on fire, and he’ll be warm for the rest of his life.”  — Terry Pratchett The most common fire in a process plant is a pool fire. A pool of flammable liquid, something that exists normally or, more likely, something [...]

By |2021-01-08T17:48:33+00:00January 8th, 2021|Chemicals, Process Safety|0 Comments
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