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Originally posted by Blue_Jay33
What are all those whistle type noises they don't sound like car alarms?
Originally posted by thedman
Jet fuel blew down the elevator shafts and ignited - the jet fuel was in an
aeresol and formed a fuel-air explosion. There were numerous people
seriously burned in the lobby and on the street outside the building.
One of the Naudet brothers arriving with the first due units reported
seeing several people on fire in the lobby. As for the windows/marble
wall panels they was dislodged as the building twisted from the impact.
Originally posted by thedman
This was post collapse - burning debris rained down for blocks around
the towers . The cars were struck and set on fire by burning debris.
Vehicles in close proximity were ignited by adjacent burning vehicles -
seen it happen often in shopping center parking lots (I'm a Fireman)
can?t remember if I saw fires the first time. The second time, I saw fires. The rigs were starting to burn. Cars were starting to burn. I?m surprised, I saw a few pictures, I can?t remember. The smoke was starting to bank down pretty good in certain streets around there, even on West Street. It was like really turning into a pretty good fire condition all around us. 90 West St. had at least three floors burning. We had a cellar job there. The roof was starting to burn.
I forget what truck was burning and a squad was burning. There were a couple of rigs burning. There were a lot of cars burning. It was really banking down the street pretty good.
Originally posted by Brother Stormhammer
Why bring that up? Because regardless of what *started* the collapse, while the collapse was ongoing, beams would be subjected to stresses far beyond design tolerance. Some of them would bend...others could easily respond the same way that wing spar did...with a sudden, violent snap that might easily be taken for an explosion.
Our analysis indicated the biggest problem would be the fact that all the fuel (from the airplane) would dump into the building. There would be a horrendous fire. A lot of people would be killed, ... The building structure would still be there. - Source
The buildings have been investigated and found to be safe in an assumed collision with a large jet airliner (Boeing 707—DC 8) traveling at 600 miles per hour. Analysis indicates that such collision would result in only local damage which could not cause collapse or substantial damage to the building and would not endanger the lives and safety of occupants not in the immediate area of impact.
The building was designed to have a fully loaded 707 crash into it. That was the largest plane at the time. I believe that the building probably could sustain multiple impacts of jetliners because this structure is like the mosquito netting on your screen door -- this intense grid -- and the jet plane is just a pencil puncturing that screen netting. It really does nothing to the screen netting.