Dairy Farm Explosion

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jtinge

jtinge

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Hampton, VA
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Sr. Elec. Engr
Never gave it much thought but I would assume that a dairy farm would be one big Class 1, Div 1 Hazardous Location. Wondering if they used Chapter 5 wiring methods? Although in this case, the article below indicates it's thought the fire was initiated from over-heated equipment.

www.dailymail.co.uk

Dairy farm explosion leaves 18,000 cattle worth $36 million dead

A huge blaze caused by a suspected methane explosion at a dairy farm in Texas has left 18,000 cattle dead and a worker critically injured.
www.dailymail.co.uk www.dailymail.co.uk
 
If I worked there for many reasons I would hope there was enough adequate ventilation to allow the area not to be classified :)
 
If it was ventilated, it doesn't seem like it was enough to keep the methane levels in the building below the lower flammability limit (LFL).
 
jtinge said:
Never gave it much thought but I would assume that a dairy farm would be one big Class 1, Div 1 Hazardous Location. Wondering if they used Chapter 5 wiring methods? Although in this case, the article below indicates it's thought the fire was initiated from over-heated equipment.

www.dailymail.co.uk

Dairy farm explosion leaves 18,000 cattle worth $36 million dead

A huge blaze caused by a suspected methane explosion at a dairy farm in Texas has left 18,000 cattle dead and a worker critically injured.
www.dailymail.co.uk www.dailymail.co.uk
Click to expand...
The article engages in rank speculation by one individual (the sheriff), who wasn't present at the time of the incident, as to the possible cause without offering any supporting evidence. It might as well have been aliens.
 
jtinge said:
Never gave it much thought but I would assume that a dairy farm would be one big Class 1, Div 1 Hazardous Location.
Click to expand...
You would be making the wrong assumption.

There are limited air movement spaces in the manure handling areas, but not in the general barn or milking parlors.

Almost all of the factory farm barns I have seen have open side walls to help get rid of the heat generated by the cows.
 
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