Yes, But…Hardware Fault Tolerance

“Therefore, by virtue of the authority vested in me by the Universita Committeeatum E Pluribus Unum, I hereby confer upon you the honorary degree of Th.D.,… er, ‘Doctor of Thinkology’.”  —The Wizard of Oz Most of our readers understand that for a Safety Instrumented Function—a SIF—to have a particular Safety Integrity Level—a SIL—its Average Probability [...]

Doing HazOps the RIGHT Way!

“Watching two engineers argue is like watching pigs wallow in mud. Eventually you figure out that they do it because they like to.”  — Anonymous I’m still learning better ways to do HazOps. And since there are better ways, then what I am doing now couldn’t possibly be the best. So, what is the RIGHT [...]

By | 2019-05-16T13:53:51+00:00 May 16th, 2019|PHA, Procedures, Process Safety|0 Comments

Lab Safety: A Three Phase System

“A pint of sweat will save a gallon of blood.”  George S. Patton, Jr. I intended to begin with “A good plan, well executed, is better than a perfect plan, poorly executed,” but when I checked, that’s not what General Patton said.  What he said was “A good plan, violently executed now, is better than [...]

Do You Need a Hero? Emergency Action Plans

“Show me a hero and I’ll write you a tragedy.”  — F. Scott Fitzgerald Being a firefighter is about as safe as any typical job in the United States. Fighting house fires is safer.  Fighting industrial fires, on the other hand, is about as dangerous as the most dangerous jobs that are legal. The Dangers [...]

By | 2019-02-14T14:32:40+00:00 February 14th, 2019|Chemicals, PHA, Procedures, Training, Workplace Safety|0 Comments

By the Book: Procedure Violations in Incident Investigations

“There is almost no human action or decision that cannot be made to look flawed and less sensible in the misleading light of hindsight.  It is essential that the critic should keep himself constantly aware of that fact.”  — Lord Anthony Hidden One of the insidious effects of hindsight bias is that it puts much [...]

Lab Safety: Being Interested Isn’t Enough

“Once trained, the hazard often becomes a routine part of their experimentation and researchers perceive themselves to be experts in handling the hazard. Perceived familiarity can shift the awareness level from cautiousness to complacency.”  — University of California Center for Laboratory Safety It didn’t get much press.  Science reported on it, as did Chemical & [...]

By | 2019-01-03T18:58:49+00:00 January 3rd, 2019|Chemicals, Procedures, Workplace Safety|0 Comments

Defeating Safety: 3 Reasons People Put Protective Devices Out of Commission and What to Do About Them

“When defeat comes, accept it as a signal that your plans are not sound, rebuild those plans, and set sail once more toward your coveted goal.”  —Napoleon Hill Ever found a fire door propped open? It won’t do much good that way, but studies have found that the probability of finding a fire door propped [...]

By | 2018-08-16T13:53:40+00:00 August 16th, 2018|Procedures, Training, Workplace Safety|0 Comments

Abandon-in-Place or Decommission?

“Let go of the attachment, keep the lesson.”  L.J. Vanier On February 16, 2007, a propane fire broke out at the Valero McKee Refinery in Sunray, Texas.  Three workers were injured and the refinery was forced to shut down for nearly two months.  The CSB investigated and determined that water settling out of a propane [...]

Simplifying Safety Critical

“The key is not to prioritize what’s on your schedule, but to schedule your priorities.” Stephen R Covey An important part of managing process safety is deciding what equipment is critical to the process and its safety. Of course, it is important to carefully maintain all equipment, but not all equipment is safety critical. An [...]

Spark Detection

“A mighty flame follows a little spark.”  Dante Alighieri Sparks can cause fires. Good news if you want fire. Bad news if fires, or worse, explosions, are something you want to avoid. So, it should come as no surprise that the National Fire Protection Association takes a dim view of sparks. The Dust Hazard Analysis [...]