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Posted By james2000
Dear All
Can we extinguish LPG (Gas cylinder Type) Fire by Water fire extinguisher or Not???if not why it has mentioned in HSE Guidance!!
Thanks
James
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Posted By GT
James2000, what does the HSE document actually say? I don't have a copy to hand.
Regards
GT
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Posted By Jim T
The way to tackle and extinguish any type of gas fire is to shut off the supply so that all vented combustible gases are fully consumed.
If you use an extinguishing agent with a high knock down capability and extinguish the fire without shutting off the supply you then risk a build up of flammable gas, which may lead to an explosion.
For boundary cooling of tanks, containers, plant, buildings etc then water should be used. Obviously you need to take into account fire fighting water run off and possible contamination.
Is this the gist of what you were looking for?
Jim
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Posted By bill reilly
James
Agree with previous post.unsure about the background to your query but
HSE/Industry use fixed water drenches as protection in COMAH type sites. For dangerous goods regs re transport of cylinders HSE/industry require dry powder extinguishers are carried for carriage of cylinder for use on engine/vehicle fire.
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Posted By james2000
Thanks for the responses
James
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Posted By DPK
James
I don't want to sound negative but i wouldn't worry to much about what extinguisher to use. This is where you implement the evacuation procedure at double quick pace.
I wouldn't and do not teach people to extinguish gas cylinders with extinguishers, It isn't that much fun with a proper red truck parked behind you let alone an extinguisher. I've seen the things go off a few times now any you don't want to be any where near it ( irrelevant of what the HSE say or any one else for that matter). JUST LEG IT.
Any how to answer your question to tackle a gas fire (class c) you can use Powder (blue)type extinguisher.
The best advise has already been given, isolated if safe to do so and then get out and call the fire brigade out.
DPK
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Posted By Gary Crouton
I agreee with DPK.
There are steps to take when LPG cylinders are on fire...very big ones.
I'll get my coat.
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Posted By WTaylor
In France, when we used to train Fire Marshalls in the use of fire extinguishers, we used to set fire to an LPG bottle. The marshalls were then trained to quickly put the fire out with a powder extinguisher and turn the valve off (gloves are a must).
We then put a gas regulator on the bottle, and set light to it. The marshalls then had to put the fire out by putting their index finger in the small gap between the regulator and the flame and blocking the hole! Is that singed hair I can smell?
This illustrated the concept of flammability limits perfectly!
Here in the UK though, I'd second the opinion that you should take very large steps away, call the fire brigade and set up a safe perimetre (150m?).
Have fun!
Will
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Posted By DPK
Will
Fire warden training in France sounds like great fun to watch....behind a blast proof screen. How did you teach it at COHMA sites, set fire to the fuel storage facility?
If you think LPG causes problems then try Acetylene, same procedure for fire fighting but just keep running for longer and don't come back for a day.
Enjoy
DPK
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Posted By GeoffB4
Nice one Gary, I'm still smiling.
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Posted By Hossam
hi
we had two previous incidents of leaking acetylene cylinders catching fire, fire men at the time managed to use fire blanket at the first and in the other event, a powder fire extinguisher was used.
Hossam
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Posted By GeoffB4
Powder extinguisher on a leaking cylinder which is on fire?
I'm not a fire expert but I don't think I would recommend that course of action.
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Posted By Garry Homer
In the days gone by when I was an apprentice electrician we all had to show we were able to put out various types of fires. One was a propane bottle that had a 6" tube extending from the valve. Armed with a CO2 bottle and a wet rag to screw the valve shut, we had 10 seconds to put it out by blowing the CO2 in the direction of the flame from behind the cylinder. There was always an instructor ready to step forward if we took too long. It did not take a second to put out but the roar was ear splitting.
We then moved on to putting out trays of petrol with foam extinguishers.
A fun afternoon!
Garry
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