Million Gallon Water Tank Explodes (From Welding ??? WTF???)

OK can somebody explain how a water tank explodes from welding?
I am completely baffled by this, and a water tank has been launched into orbit.
OK so I won't try any welding on a water tank, that much I learned.
But what? what? what?

Expansion or pressure build up, you learn all about this when learning about fuel & storage. If you fill up tankers like we did, and we were in the desert with extreme heat, the liquid will expand and create pressure. If you go on top of the tanker and open the hatch it will come out like a high pressure fountain. Believe me I wrote a couple people up over it, I use to have to inspect tankers and have them unload in my fuel farm. People wouldn't account for it and fill them to the brim. Nothing like opening up a fuel tanker and getting a high pressure shower of JP-8! Love it!:BH:
 
Couple things OSHA is gonna check and flag them for just from info provided:
1) The tank should have been at least partially drained if added heat from welding was induced, to prevent over expansion
2) As mentioned: the carpenter most likely had no proper training or certification to be welding at all. Least not the right job description
3) Heavily doubtful that air monitoring was being conducted. Namely, there should have been at a minimum a 4pt Air Check ( LEL: combustible gas, H2S Hydrogen Sulfide, O2 and Carbon Monoxide).
4) An daily onsite safety Inspector's report. If it wasnt conducted, they would be liable. If it was conducted, then it should have shown any potential hazards like excessive pressure or gas build up.

This sadly, was entirely preventable if everyone followed the letter of the law. Unfortunately, a man is dead and his kids are without a dad , while another worker is critically injured. All because someone, somewhere cut corners and skipped protocols
 
Couple things OSHA is gonna check and flag them for just from info provided:
1) The tank should have been at least partially drained if added heat from welding was induced, to prevent over expansion
2) As mentioned: the carpenter most likely had no proper training or certification to be welding at all. Least not the right job description
3) Heavily doubtful that air monitoring was being conducted. Namely, there should have been at a minimum a 4pt Air Check ( LEL: combustible gas, H2S Hydrogen Sulfide, O2 and Carbon Monoxide).
4) An daily onsite safety Inspector's report. If it wasnt conducted, they would be liable. If it was conducted, then it should have shown any potential hazards like excessive pressure or gas build up.

This sadly, was entirely preventable if everyone followed the letter of the law. Unfortunately, a man is dead and his kids are without a dad , while another worker is critically injured. All because someone, somewhere cut corners and skipped protocols

Just one more sad story, and all too common in the small communities.
 
Couple things OSHA is gonna check and flag them for just from info provided:
1) The tank should have been at least partially drained if added heat from welding was induced, to prevent over expansion
2) As mentioned: the carpenter most likely had no proper training or certification to be welding at all. Least not the right job description
3) Heavily doubtful that air monitoring was being conducted. Namely, there should have been at a minimum a 4pt Air Check ( LEL: combustible gas, H2S Hydrogen Sulfide, O2 and Carbon Monoxide).
4) An daily onsite safety Inspector's report. If it wasnt conducted, they would be liable. If it was conducted, then it should have shown any potential hazards like excessive pressure or gas build up.

This sadly, was entirely preventable if everyone followed the letter of the law. Unfortunately, a man is dead and his kids are without a dad , while another worker is critically injured. All because someone, somewhere cut corners and skipped protocols
You got it. Air monitoring of enclosed spaces.
That sucker was probably full of hydrogen or methane etc.
(methane "is" hydrogen basically...)
And not venting the gasses from the top of the water level enough to prevent it.
 
I suppose water does contain hydrogen...and oxygen, just like rocket fuel. But I never realized a water tank would explode that's a new one.
oh water burns for sure ........................

I know ----Im from OH HI HOE
.

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Couple things OSHA is gonna check and flag them for just from info provided:
1) The tank should have been at least partially drained if added heat from welding was induced, to prevent over expansion
2) As mentioned: the carpenter most likely had no proper training or certification to be welding at all. Least not the right job description
3) Heavily doubtful that air monitoring was being conducted. Namely, there should have been at a minimum a 4pt Air Check ( LEL: combustible gas, H2S Hydrogen Sulfide, O2 and Carbon Monoxide).
4) An daily onsite safety Inspector's report. If it wasnt conducted, they would be liable. If it was conducted, then it should have shown any potential hazards like excessive pressure or gas build up.

This sadly, was entirely preventable if everyone followed the letter of the law. Unfortunately, a man is dead and his kids are without a dad , while another worker is critically injured. All because someone, somewhere cut corners and skipped protocols
And tragically, that happens day in and day out, everyday, most anywhere you can think of...
 
And tragically, that happens day in and day out, everyday, most anywhere you can think of...
No doubt. Its awful and like you said: everyday and everywhere. Someone says " Oh screw it, we'll just do it quick this way" and then tragedy strikes. Im guilty of doing things i knew weren't the safest and am both stupid and lucky. Eventually, your luck runs out
 
Couple things OSHA is gonna check and flag them for just from info provided:
1) The tank should have been at least partially drained if added heat from welding was induced, to prevent over expansion
2) As mentioned: the carpenter most likely had no proper training or certification to be welding at all. Least not the right job description
3) Heavily doubtful that air monitoring was being conducted. Namely, there should have been at a minimum a 4pt Air Check ( LEL: combustible gas, H2S Hydrogen Sulfide, O2 and Carbon Monoxide).
4) An daily onsite safety Inspector's report. If it wasnt conducted, they would be liable. If it was conducted, then it should have shown any potential hazards like excessive pressure or gas build up.

This sadly, was entirely preventable if everyone followed the letter of the law. Unfortunately, a man is dead and his kids are without a dad , while another worker is critically injured. All because someone, somewhere cut corners and skipped protocols
"someone, somewhere cut corners and skipped protocols ..."

That describes pretty much every job I have ever been on...
They ignore all the safety, then when an accident happens they blame the employee.

I have been fired from jobs for following safety rules...that's normal.
I have filed complaints with unions, and they always laugh at it.
I have filed complaints with OSHA, and they protect the violator and ignore the complaint.
(OSHA inspectors take payoffs)
So, I am accustomed to non-safe workplaces.

Nobody at OSHA does anything to prevent an accident. They wait until somebody dies first.
 
"someone, somewhere cut corners and skipped protocols ..."

That describes pretty much every job I have ever been on...
They ignore all the safety, then when an accident happens they blame the employee.

I have been fired from jobs for following safety rules...that's normal.
I have filed complaints with unions, and they always laugh at it.
I have filed complaints with OSHA, and they protect the violator and ignore the complaint.
(OSHA inspectors take payoffs)
So, I am accustomed to non-safe workplaces.

Nobody at OSHA does anything to prevent an accident. They wait until somebody dies first.
Truth!
 
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