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Old Posted Mar 17, 2017, 8:56 PM
WildCowboy WildCowboy is offline
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Join Date: Aug 2007
Posts: 495
It's normal in most places.

Not terribly uncommon to have them burn like this, as they're very vulnerable during this phase of construction before they're sealed up, fire retardant materials put in, and sprinklers functioning. Combine that with welding and blowtorches that can generate sparks, and you have a chance to smoldering that goes unnoticed until everyone leaves for the day and then takes off.
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