Permit Required Confined Spaces

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An Oklahoma City employer’s failure to follow federal safety procedures left a 30-year-old worker suffering fatal asphyxiation as they tried to make repairs inside a water tank at a McClain County well site in September 2023.  Responding to the report of a fatality in Purcell, OSHA investigators determined the worker had entered a permit-required confined…...

We hear it often… “Who would turn the machine on while I’m working on it?”  It happens more often than most think.   Employee # 1 and Coworker #1, Coworker #2, and Coworker #3 were cleaning two (2) concrete mixers. Employee #1 was paired with Coworker #1 to clean out a mixer. Employee #1 entered…...

Federal investigators determined a truck washing company failed to protect workers from hydrogen sulfide gas as they entered over-the-road tanker trailers to clean them out, causing one worker’s fatal injuries and hospitalizing two co-workers. OSHA responded to a report of the Sept. 1, 2023, incident and found the business failed to evaluate the tanker trailers for hazardous…...

This was a brief 30-minute chat with my friend and longtime supporter @ SAFTENG on the topic of Permit-Required Confined Spaces.  This first episode was just the basics, but I explain how a confined space is DEFINED and how that confined space becomes a Permit-Required Confined Space (PRCS).  We then discuss the three (3) entry…...

For those who believe entering a PRCS would not happen when the Oxygen level is measured at 19.5% (IDLH for O2 Deficiency)… November 22, 2022, @ 1:00 p.m., an employee from a local chemical company was cleaning the inside of a tanker trailer. The employee was required to enter the tank and wash out the…...

I am no longer surprised when I teach a PRCS or an Emergency Response course and the students who have been doing entries into PRCSs and responding to emergencies but are unaware of primary atmospheric conditions.  This is how I explain it… We have 100% volume of air in the space. That 100% volume is…...

On August 28, 2023, at 7:30 a.m., a worker was welding in a confined space on a ship under construction. The victim was found unresponsive inside of the confined space. Per the medical examiner’s report, the employee was killed as a result of suffocation in an oxygen-deficient environment. NOTE: this is likely due to a…...

August 18, 2022, at 3:00 p.m., an employee entered an empty liquid propane gas (LPG) tank for servicing at an industrial equipment wholesaler facility. Earlier in the day, the employee approached a supervisor and said he wanted to enter the tank to spray Torq CB III penetrating oil product on an internal valve to loosen…...

1910.146(d)(14) does not specify how many or what percentage of entry permits must be reviewed annually. Would it be compliant if an employer reviews a representative sample of the entry permits during the one-year review?   The easy answer is NO, ALL CANCELED ENTRY PERMITS AND NOT A REPRESENTATIVE SAMPLE OF THE ENTRY PERMITS must…...

Although this question has been discussed before, OSHA issued a new Letter of Interpretation (LOI) late in 2023 (posted in 2024), answering the following question and has ARCHIVED their previous LOI from November 26, 1996. Does OSHA consider the initial monitoring data and subsequent re-testing data to constitute employee exposure records subject to the record…...

This is another example of entrants not recognizing the space they are entering is a CONFINED SPACE and the actions/work they did turned the confined space into a PERMIT-REQUIRED CONFINED SPACE.  Both entrants died and two (2) volunteer FF’s were injured in their attempts to perform rescues at this residential incident. On May 26, 2010,…...