Venting out the fire 
Firefighter helmet cam
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Interesting.
Why do they do this ? I would have thought the fresh air that this draws in would cause worse damage.
Posted Aug-2-2012 ByCadae (144.08) 
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@Cadae
to vent out dangerous gases and dark smoke, which makes it easier to see, extinguish and search people for the firefighter inside. It also reduces the possibilities of backdraft and flashover by reducing heat and removing flammable and toxic gases. And to see how far the fire has spread
Posted Aug-2-2012 ByMadCookie (39.46) 
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@MadCookie Thanks
Posted Aug-2-2012 ByBlea (36.30) 
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@MadCookie
Thanks Mad, that makes sense.
Posted Aug-2-2012 ByCadae (144.08) 
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@MadCookie
that sounds logic, but why dont smash the windows to release the pressure and gases, cutting a roof takes a lot of time?
Posted Aug-2-2012 BySnipazz (29.06) 
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The reason they are opening up the roof is to assist the crews inside battling the fire.
This new hole now allows all of the smoke, and super-heated gasses to escape out into the air. It makes conditions inside better for the firefighters.
At this point in time the fire is being fought as an "interior attack" and that is the reason they are not putting water in from the outside onto the roof. If they were putting water in from the outside it would push the fire, smoke and hot gasses More..
Posted Aug-3-2012 ByScram (6.40) 
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@Scram That's a good explanation. I was about to google this, I'm glad we have some intelligent people on LiveLeaks.
Posted Aug-3-2012 ByRebelTactics (113.80) RebelTactics View Channel Send Message
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@Scram Thanks for that, I always wondered about that. My first thought was that by venting you are doing the same thing my BBQ chimney charcoal starter does, make a hotter flame with more oxygen, but they always do this so there must be something else. Now I get it, plus the attic is gone anyway.
Posted Aug-4-2012 Byporsheman (244.92) 
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@Scram Thanks!
Posted Aug-8-2012 ByLewellan222 (84.30) 
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Fuck that for a joke, pay these guys more, stat.!!!
Posted Aug-2-2012 ByGIXXARDR (5321.50) 
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Holy tits these guys are badass! Climbing atop burning buildings wielding chainsaws and shit. Cuttin holes into the roof right beneath their feet, exposing a raging inferno that would bring an agonizing death with one misstep. Just another day on the job for these guys. BAMF
Posted Aug-2-2012 Byyoshimitsu31 (7.90) 
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hm, I don't get it. how did that help?
Posted Aug-2-2012 ByProcopol (92.64) 
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@Procopol Releases heat, smoke and pressure below roof, enables pumper engine crews to work in less dangerous and less likely to flash over environment.
Posted Aug-2-2012 Bymaytag40 (33.02) maytag40 View Channel Send Message
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@Procopol Let them do their job and you do yours. They are brave people that make huge sacrifices to save others.
Posted Aug-2-2012 Bywackytobbacy (18.20) 
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@maytag40
ok, that's pretty interesting. I thought it would fuel the fire because of the fresh air
Posted Aug-2-2012 ByProcopol (92.64) 
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I guess they know what they're doing, but my gut feel is wtf! If that roof caves in they land in an inferno. F**k that!
Posted Aug-2-2012 ByCombo (27.50) 
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@Combo That's actually a real danger of what they're doing here, so heroes is right.
Helmet cams should obviously not be mounted that high up, though. If camera-wearing fireman would really look at where the cam is pointed, he'd have to be a blind psychic.
Posted Aug-2-2012 Byaintov (236.18) aintov View Channel Send Message
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@Combo The first firefighter is tapping the roof to listen to the sound of the roof, weak roof will make a different sound than solid ones. Roof collapse is a constant risk.
Posted Aug-2-2012 Bymaytag40 (33.02) maytag40 View Channel Send Message
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Firefighters are without a doubt real fucking heroes!
Posted Aug-2-2012 ByEnzaim (47.30) 
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And water will be applied when?
Posted Aug-2-2012 Byshaneroads (63.66) 
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that house is toast
Posted Aug-2-2012 Byavenueb (16.00) 
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Hey! Rooftop BBQ! :)
Posted Aug-2-2012 ByHeeresJohnny! (63.46) 
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wow respect for what they are doing. I didn't know it was that intense.
But, what the heck are they doing? Never mind i found an answer, look at the first page.
@ Mad Cookie reply
Posted Aug-2-2012 Bypatrickzeeland (72.16) patrickzeeland View Channel Send Message
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You're in a burning house, just about to succumb to smoke inhalation. You hear the sirens approach, you hear all the screaming outside. Then a chainsaw roars and rips open the roof above you, and two masked men pop their heads inside....
Posted Aug-2-2012 ByMikeNovember (331.80) 
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@MikeNovember
Then you feel a warm sloppy sensation inside your pants...lol
Posted Aug-2-2012 ByGIXXARDR (5321.50) 
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@MikeNovember
We don't stick our heads through those holes. Nothing good ever comes out of those things. There is actually a company of firefighters doing a search while venting is taking place. The venting HOPEFULLY makes it easier to search for victims. Venting releases the heat and smoke that is filling the building.
Posted Aug-2-2012 By_Joubert_ (297.58) _Joubert_ View Channel Send Message
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Thats some brave lads there...Great job.
Posted Aug-2-2012 Byhooligram (178.16) 
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I've seen similar things to this before. Using large fans at, say the back door to pull smoke and heat away from the front door while the fire fighters go in. They can see better, less combustible gases from smoke and done properly can minimize damage done during the extinguishing. I have seen this dome so well, a single story dwelling on fire was brought under control using a fine water mist within 30 seconds, then some damping down after in the hot spots. I have also seen it go badly wrong - d More..
Posted Aug-2-2012 Byscotty365 (52.40) 
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@scotty365
Actually one of the best ways, is the opposite, positive pressure ventilation.
You put a big fan at the entrance, and make a small hole (either a window at the rear, or a vent on the roof, and it clears the structure in seconds of smoke. Bad part, it feed the fire, but you can run to it because you can see where the hell you are going. With out that, you are usually crawling in pitch black smoke, and it takes a long time to get to the location of the fire.
Things may have change More..
Posted Aug-2-2012 Byreaper7recon (387.28) 
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@reaper7recon positive pressure ventilation. thats what i am going to say to the mrs next time i fart
Posted Aug-2-2012 Bymarv126 (115.00) marv126 View Channel Send Message
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So dangerous. Total respect for these guys.
Posted Aug-2-2012 ByThe_evil_one (425.34) The_evil_one View Channel Send Message
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