The NTSB has determined that the probable cause of the 2018 Hydrogen tube trailer fire in California was human errors made by two non-related personnel from two different companies with both workers making errors on the pressure relief system: REQUALIFICATION TECHNICIAN’S installation of an INCORRECTLY RATED PRESSURE RELIEF DEVICE in cylinder No. 14, which actuated…...
You will not stop all human error, but you can work on why those errors occurred and reduce the frequency, severity, and likelihood of humans to make similar mistakes. Trace the triggers backward and you’ll find a cause. “Be more careful and pay attention” are not root causes. Quit fooling yourself! #safety #goallin #fixtheculture #growyourteam…...
You will not stop all human error Read More »
When you try to include the disabled in your business and then someone wants to get fancy and upgrade the place with glass over the signs…… Membership Required You must be a member to access this content.View Membership LevelsAlready a member? Log in here...
Human Factors 101 – #1002 Signs Read More »
When you try to include the disabled in your business and then someone wants to get fancy and upgrade the place with glass over the signs…… Membership Required You must be a member to access this content.View Membership LevelsAlready a member? Log in here...
Human Factors 101 – #1002 Signs Read More »
I am not sure why I am so fascinated with the Human Factors aspect of process safety, but I blame my pals Bob and Steve at Unwin Company for beating it into my head during the first PHA I did with them way back in 1999. They ripped me apart with how our procedures were…...
Human Factors 101 – #1001 Read More »
I am not sure why I am so fascinated with the Human Factors aspect of process safety, but I blame my pals Bob and Steve at Unwin Company for beating it into my head during the first PHA I did with them way back in 1999. They ripped me apart with how our procedures were…...
Human Factors 101 – #1001 Read More »
You’re getting ready to perform your pressure testing and the boss says the six-pack of Nitrogen or Oxygen (he can’t remember which) is out back. You walk out back and this is all you see… what do you do? By the way, pressure testing with Oxygen is illegal in most states and VERY UNSAFE in…...
Eeny, meeny, miny, moe (Human Factors) Read More »
To address human factors in workplace safety settings, peoples’ capabilities and limitations must first be understood. The modern working environment is very different from the settings that humans have evolved to deal with. This section examines human characteristics that can lead to difficulties interacting with the working environment. The main factors involved include: Attention –…...
Last August I posted an incident where a 3rd party carrier unloading his/her NH3 truck to an LPG storage tank (SAFTENG Membership content). The contents of the LPG tank had to be burned/flared off which took around 60 hours. There were no injuries in that incident, but the consequences of such an error could be catastrophic. And unfortunately,…...
More Human Factors nightmares (NH3 to LPG Tank) Read More »
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2018 Photo of the Week #14 (Human Factors – Signs) Read More »
This is 100% real… you can’t make this stuff up! WHAT THE HELL were they thinking? … Membership Required You must be a member to access this content.View Membership LevelsAlready a member? Log in here...
2018 Photo of the Week #11 (Human Factors – Signs Case Study) Read More »
The topic of human factors (HF) is often times misunderstood and sadly sometimes not even a thought during a Process Design/Engineering Review or a Process Hazards Analysis. Now I know some of you will scream… “we are not a refinery” so there is no need for us to go to this level in our efforts…...
Human Factors and Process Valves Read More »
