This topic was brought to my attention by one of our members who had the responsibility to lead a crew as Captain for many years.
I respect and appreciate the input of senior department officers who are kind enough to help me to learn and grow so I may become a better professional that is an asset to any department I am honored to contribute to. This is why I have posted this discussion
When first I saw this video I was concerned about the copious amount of smoke and no visible flames anywhere. I felt perhaps they had already knocked down the fire so the smoke and steam were all that was left and they were deploying personnel to the roof to open a vent.
It was shocking to see what happened next.
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Just what you would expect from a structure which was that involved. It seemed from my limited observations of structure fires, that there was a lot of smoke coming from everywhere. I was told that meant there was much fire that could not get the air it needed to flame up, so it would be very dangerous to open anything quickly because of the possibility of flash over.
I feel they always go up to the roof to determine a site to cut a ventilation port. I feel that it must first be determined if the structure will hold together before this is attempted, but again it seems the people doing this are not communicating with the rest of the crew, so they find themselves in serious trouble.
UPDATE ON INJURED FIREFIGHTER
I had the privilege to correspond with this California Firefighter about this incident. He offered to me the comment under his photo below.
Lieutenant Frederick Georges said:
I had the privilege to correspond with this California Firefighter about this incident. He offered to me the comment under his photo below.Curt CozadWorks at Sacramento Metropolitan Fire DistrictAttended San Joaquin Delta CollegeLives in Elk Grove, CA, United States==============================================Because that's our job as a truck company. The fire had not vented yet, so the inside crews were still in extreme heat conditions and the fire was waiting for an oxygen source. The huge flash was the fire getting the last part of the fire triangle "Oxygen." The Truck Captain was sounding the roof in preparation for a ventilation process. The last place he sounded looked solid, but the spot where he fell through was compromised. One of those dangerous procedures that we do as part of our job.==============================================