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View Diary: Firefighter shot at scene of fire in Rochester, NY suburbs (284 comments)

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  •  The big issue, if carrying a gun? (1+ / 0-)
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    Sweat.  No lie.
    The "safe temperature" inside of a Nomex® or PBI® structural firefighting suit can hit 135ºF when you're working hard and the room's hot.

    I was in a flame-over* in the early 1980s and it turned my sweat into steam within my gear, which damaged my skin to the point where I required in-hospital exfoliation.  
    The Nomex® turned a dull red/orange and became crispy/crumbly.
    My next gear was to a later standard and used a quilted Nomex® liner, with Gore-Tex®.

    Needless to say, you sweat a lot.  Not uncommon to add 5 or more pounds of water weight to your coat, the same amount to your pants, and it's better now than in the '70s and early '80s before Gore-Tex® vapor barriers.

    Before a holstered gun would melt, or the ammunition cook-off, your skin would suffer overall 2nd or 3rd degree burns, and your firefighting gear would begin to fatally fail.

    In lesser conditions your firearm and ammunition would take a hella-beating, and need extensive maintenance soon-after the fire incident.

    * flame over is different than a back-draft "explosion".
    The flame-over is when all items in the room are at the flashpoint, and there exists sufficient oxygen to support combustion.  The whole room catches fire at once.

    A back-draft has insufficient oxygen, and yet has all the fuel and heat required for spontaneous ignition and rapid combustion - the definition of explosion.
    Open a door, and you see a puff out, suction in, then BLAM! fire blasting out like a blowtorch.

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