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Any detonation of explosives within WTC 7 would have been detected by multiple seismographs monitoring ground vibration in the general area. No such telltale “spike” or vibratory anomaly was recorded by any monitoring instrument. –Brent Blanchard of Protec
Yeah, and you've done nothing to rectify that, unless you think you just posted the statements of every single firefighter there on that day.
In fact, not even all of the testimonies you just posted stated ANYTHING about a major fire, or fires at all.
–Chief Frank Fellini
We were concerned that the fires on several floors and the missing steel would result in the building collapsing. So for the next five or six hours we kept firefighters from working anywhere near that building, which included the whole north side of the World Trade Center complex.
–Chief Frank Cruthers
Early on, there was concern that 7 World Trade Center might have been both impacted by the collapsing tower and had several fires in it and there was a concern that it might collapse. So we instructed that a collapse area --
Q. A collapse zone?
A. Yeah -- be set up and maintained so that when the expected collapse of 7 happened, we wouldn't have people working in it. There was considerable discussion with Con Ed regarding the substation in that building and the feeders and the oil coolants and so on. And their concern was of the type of fire we might have when it collapsed. They shut down the power, and when it did collapse, the things that they were concerned with would have been [sic]. That's about it.
Originally posted by CameronFox
Here are a few more quotes from eye witnesses. (Firefighters)
–Chief Frank Fellini
We were concerned that the fires on several floors and the missing steel would result in the building collapsing. So for the next five or six hours we kept firefighters from working anywhere near that building, which included the whole north side of the World Trade Center complex.
graphics8.nytimes.com...
–Chief Frank Cruthers
Early on, there was concern that 7 World Trade Center might have been both impacted by the collapsing tower and had several fires in it and there was a concern that it might collapse. So we instructed that a collapse area --
Q. A collapse zone?
A. Yeah -- be set up and maintained so that when the expected collapse of 7 happened, we wouldn't have people working in it. There was considerable discussion with Con Ed regarding the substation in that building and the feeders and the oil coolants and so on. And their concern was of the type of fire we might have when it collapsed. They shut down the power, and when it did collapse, the things that they were concerned with would have been [sic]. That's about it.
graphics8.nytimes.com...
I can post more if need be. Truth is, I have yet to see any evidence that the fires were minor..or more importantly, the damage done by the debris was minor.
Originally posted by TruthSeekerMP
Originally posted by CameronFox
Here are a few more quotes from eye witnesses. (Firefighters)
–Chief Frank Fellini
We were concerned that the fires on several floors and the missing steel would result in the building collapsing. So for the next five or six hours we kept firefighters from working anywhere near that building, which included the whole north side of the World Trade Center complex.
graphics8.nytimes.com...
–Chief Frank Cruthers
Early on, there was concern that 7 World Trade Center might have been both impacted by the collapsing tower and had several fires in it and there was a concern that it might collapse. So we instructed that a collapse area --
Q. A collapse zone?
A. Yeah -- be set up and maintained so that when the expected collapse of 7 happened, we wouldn't have people working in it. There was considerable discussion with Con Ed regarding the substation in that building and the feeders and the oil coolants and so on. And their concern was of the type of fire we might have when it collapsed. They shut down the power, and when it did collapse, the things that they were concerned with would have been [sic]. That's about it.
graphics8.nytimes.com...
I can post more if need be. Truth is, I have yet to see any evidence that the fires were minor..or more importantly, the damage done by the debris was minor.
OK, so let's take these quotes you have about the stability of WTC7 and analyze further, from a scientific perspective.
How, then, did WTC7 fall at near free-fall speed, with a kink in the middle of building, and the left side of the penthouse falling seconds before the remainder of the building fell?
Why did FDNY never set up manual firefighting efforts within WTC7 [and this was recorded at, I believe, 11:30 am]? But then Larry Silverstein talked of pulling the firefighters out of the buildings hours later when he talked with the Fire Chief, or so he says? [and no, I'm not questioning FDNY's morals here, I'm questioning Corporate Larry's...]
"The most important operational decision to be made that afternoon was [that] the collapse [Of the WTC towers] had damaged 7 World Trade Center, which is about a 50 story building, at Vesey between West Broadway and Washington Street. It had very heavy fire on many floors and I ordered the evacuation of an area sufficient around to protect our members, so we had to give up some rescue operations that were going on at the time and back the people away far enough so that if 7 World Trade did collapse, we [wouldn't] lose any more people. We continued to operate on what we could from that distance and approximately an hour and a half after that order was [given], at 5:30 in the afternoon, 7 World Trade Center collapsed completely."
Originally posted by CameronFox
If you look into WTC7... there wasnt much going on. The standpipes were gone. There was VERY minimal water. Most efforts were going into search and recovery....ALSO the entire firefighting operation was word of mouth. There was minimal walki-talki's.
I think the most important quote here is from Chief of Operations Daniel Nigro:
"The most important operational decision to be made that afternoon was [that] the collapse [Of the WTC towers] had damaged 7 World Trade Center, which is about a 50 story building, at Vesey between West Broadway and Washington Street. It had very heavy fire on many floors and I ordered the evacuation of an area sufficient around to protect our members, so we had to give up some rescue operations that were going on at the time and back the people away far enough so that if 7 World Trade did collapse, we [wouldn't] lose any more people. We continued to operate on what we could from that distance and approximately an hour and a half after that order was [given], at 5:30 in the afternoon, 7 World Trade Center collapsed completely."
/g8c6y
Chapter 5 - WTC 7
IT appears that the sprinklers may not have been effective due to the limited water on site, and that the development of the fires was not significantly impeded by the firefighters because manual firefighting efforts were stopped fairly early in the day.
Chapter 5 - WTC 7
In addition, the firefighters made the decision fairly early on not to attempt to fight the fires, due in part to the damage to WTC7 from the collapsing towers. hence, the fire progressed throughout the day fairly unimpeded by automatic or manual supression activities.
Originally posted by CameronFox
First of all... please please please STOP with the "no fire has ever....." we all KNOW that.
Steel beams in standard fire tests reach a state of deflections and runaway well below temperatures achieved in real fires. In a composite steel frame structure these beams are designed to support the composite deck slab. It is therefore quite understandable that they are fire protected to avoid runaway failures. The fire at Broadgate showed that this didn't actually happen in a real structure. Subsequently, six full-scale fire tests on a real composite frame structure at Cardington showed that despite large deflections of structural members affected by fire, runaway type failures did not occur in real frame structures when subjected to realistic fires in a variety of compartments.
This project was the first major effort to understand this behaviour using computational models of the Cardington fire tests. A full explanation of the mechanics that are responsible for the robust behaviour of unprotected composite frames in fire has been achieved and will be presented in detail in this report. Reaching this new understanding has been a laborious process, and numerous blind alleys had to be investigated along the way, however obvious the answer may now seem to the researchers involved in this project. It is possible that the conclusions will not seem obvious to others who have not been directly involved, however considerable effort has gone in to presenting the results of the project to provide as much detail as possible. Approximately 40 supplementary reports and over 10 technical papers have been written and appear as an appendix to this report. This amount of work has ensured that the conclusions presented have been verified by a number of independent approaches. Mutually reinforcing arguments were developed from the results of different computational models, application of fundamental mechanics and the analysis of test data. It is therefore with a great deal of confidence that these findings have been presented for close scrutiny by the profession. Once this new understanding of structural behaviour in fire is widely disseminated, discussed and understood, the way will be clear for completing all the other tasks which are necessary for full exploitation of the knowledge gained. This will lead to safer, more economic and rational design of steel frame structures for fire resistance.
As far as falling into its own footprint...it may appear that way, but due to the collapse, WTC 7 ravaged 30 West Broadway to the north, which has been torn down in 2006 due to the damage and Damage was done to the Verizon Building from WTC 7.
Source: FEMA
They were in Manhattan on 911 and Brooklyn with Field seismographs....please check out this site and let me know what you think.
Any detonation of explosives within WTC 7 would have been detected by multiple seismographs monitoring ground vibration in the general area. No such telltale “spike” or vibratory anomaly was recorded by any monitoring instrument.
Well its OBVIOUS i cant get quotes from EVERY fireman that was there...
Chief Cruthers told me that they had formed another command post up on Chambers Street. At this point there were a couple of floors burning on Seven World Trade Center. Chief McNally wanted to try and put that fire out, and he was trying to coordinate with the command post up on Chambers Street. This is after searching for a while. He had me running back and forth trying to get companies to go into Seven World Trade Center. His radio didn't seem to be working right either because he had me relaying information back and forth and Chief Cruthers had me --
Q. So everything was face-to-face? Nothing was by radio?
A. Yeah, and it was really in disarray. It really was in complete disarray. We never really got an operation going at Seven World Trade Center. –FDNY Captain Michael Donovan
graphics8.nytimes.com...
We have never once heard the term 'pull it' being used to refer to the explosive demolition of a building, and neither has any blast team we've spoken with. The term is used in conventional demolition circles, to describe the specific activity of attaching long cables to a pre-weakened building and maneuvering heavy equipment (excavators, bulldozers etc) to 'pull' the frame of the structure over onto its side for further dismantlement. This author and our research team were on site when workers pulled over the six story remains of WTC6 in late fall 2001, however we can say with certainty that a similar operation would have been logistically impossible at Ground Zero on 9/11, physically impossible for a building the size of WTC7, and the structure did not collapse in that manner anyway.
Originally posted by bsbray11
Originally posted by CameronFox
First of all... please please please STOP with the "no fire has ever....." we all KNOW that.
You don't seem to understand; fire cannot, and has NEVER contributed damage to a structure comparable to what a jet impact does. The jet impacts SEVERED columns (and not many at that). Fires can only make steel SAG, and only when exposed to the steel for a long enough period of time to heat the steel sufficiently.
Sagging does not, and has never led to runaway global collapses:
Steel beams in standard fire tests reach a state of deflections and runaway well below temperatures achieved in real fires. In a composite steel frame structure these beams are designed to support the composite deck slab. It is therefore quite understandable that they are fire protected to avoid runaway failures. The fire at Broadgate showed that this didn't actually happen in a real structure. Subsequently, six full-scale fire tests on a real composite frame structure at Cardington showed that despite large deflections of structural members affected by fire, runaway type failures did not occur in real frame structures when subjected to realistic fires in a variety of compartments.
This project was the first major effort to understand this behaviour using computational models of the Cardington fire tests. A full explanation of the mechanics that are responsible for the robust behaviour of unprotected composite frames in fire has been achieved and will be presented in detail in this report. Reaching this new understanding has been a laborious process, and numerous blind alleys had to be investigated along the way, however obvious the answer may now seem to the researchers involved in this project. It is possible that the conclusions will not seem obvious to others who have not been directly involved, however considerable effort has gone in to presenting the results of the project to provide as much detail as possible. Approximately 40 supplementary reports and over 10 technical papers have been written and appear as an appendix to this report. This amount of work has ensured that the conclusions presented have been verified by a number of independent approaches. Mutually reinforcing arguments were developed from the results of different computational models, application of fundamental mechanics and the analysis of test data. It is therefore with a great deal of confidence that these findings have been presented for close scrutiny by the profession. Once this new understanding of structural behaviour in fire is widely disseminated, discussed and understood, the way will be clear for completing all the other tasks which are necessary for full exploitation of the knowledge gained. This will lead to safer, more economic and rational design of steel frame structures for fire resistance.
guardian.150m.com...
What NIST and others have suggested is NOT SUPPORTED.
NIST did tests similar to the Cardington tests themselves, with models of the WTC truss assembles, and could not get failures. Why!?
As far as falling into its own footprint...it may appear that way, but due to the collapse, WTC 7 ravaged 30 West Broadway to the north, which has been torn down in 2006 due to the damage and Damage was done to the Verizon Building from WTC 7.
Source: FEMA
It also damaged buildings to its East and West, and partially fell into Vesey Street on its South. That puts the center of gravity right back into the footprint. Just look at a freaking image, and figure out where the debris from WTC7 is, and where it isn't, and you SHOULD realize where it fell IMMEDIATELY.
They were in Manhattan on 911 and Brooklyn with Field seismographs....please check out this site and let me know what you think.
I have not seen the seismic records from Brooklyn. Have you?
Blanchard argues that the tower collapses were not conventional demolitions, and I agree with that. He then baldly references NIST as real science, which is where he loses me.
He also makes some statements that show an ignorance of certain evidence, such as when he declares that the towers should have had explosions in their basements, but since they didn't, they couldn't have been demolitions (in the conventional sense). So, I'm assuming he's unfamiliar with the eyewitness testimonies and various other evidences to the contrary.
Any detonation of explosives within WTC 7 would have been detected by multiple seismographs monitoring ground vibration in the general area. No such telltale “spike” or vibratory anomaly was recorded by any monitoring instrument.
So an energy release greater than that of the global collapse is not unusual, coming before the penthouse even fails? I imagine Blanchard didn't really look into this, and he certainly doesn't offer many details here. NIST offered timestamped photos/video of the penthouse falling that lines up awfully awkwardly with the actual sesmic charts we have from LDEO. Like I said, I haven't seen anything from Brooklyn.
Well its OBVIOUS i cant get quotes from EVERY fireman that was there...
Then you can hardly justify saying that ALL of them reported raging infernos, can you? Rather than being the norm, it seems more like the exception in the ones you've posted thus far. Fires, yes. Threat of localized collapses, maybe. They weren't even sure of that. Global collapse? I don't think anyone was expecting that unless they'd received word from someone wise to the situation, that the whole building was going to be coming down.
Originally posted by CameronFox
We have a man here that works with seismographs and controlled demolitions around the world and has worked with EVERY American Demolition Company...his company holds records in pretty muich EVERY controlled demolition...he says the seismographs so not support a controlled demolition....who would you believe?
archives.cnn.com...
William Rodriguez worked on the basement level of the north tower and was in the building when the first plane struck his building.
"We heard a loud rumble, then all of a sudden we heard another rumble like someone moving a whole lot of furniture," Rodriguez said. "And then the elevator opened and a man came into our office and all of his skin was off."
Originally posted by CameronFox
I respect your opinion on you thinking he has his head up his a**. His past history shows me different. If he was as dumb as you say...I highly doubt he would be as succesful as he is.
And yes...i DO listen more to people that have experience before i listen to a person on the internet. Sorry...just me.
Just one more question...the janitor, William Rodriguez.. in his first interview...with CNN... he never claimed hearing explosions at his feet.
archives.cnn.com...
William Rodriguez worked on the basement level of the north tower and was in the building when the first plane struck his building.
"We heard a loud rumble, then all of a sudden we heard another rumble like someone moving a whole lot of furniture," Rodriguez said. "And then the elevator opened and a man came into our office and all of his skin was off."
Originally posted by CameronFox
I would love to address the whole PULL IT theory..since that term is NOT used in EXPLOSIVE demolition.
First of all... please please please STOP with the "no fire has ever....." we all KNOW that. I will concede to that statement as soon as you admit that no other skyscraper had a commercial airliner flown into it...or was on fire due to a sky scraper collapsing near it with debris having effect on the structure.
[edit on 8-12-2006 by CameronFox]
Originally posted by CameronFox
How fast was the B-25 flying? What damage was done to the Empire State Building. You can't compare the two in size, weight, and fuel capacity.
At 9:49 a.m., the ten-ton, B-25 bomber smashed into the north side of the Empire State Building. The majority of the plane hit the 79th floor, creating a hole in the building eighteen feet wide and twenty feet high. The plane's high-octane fuel exploded, hurtling flames down the side of the building and inside through hallways and stairwells all the way down to the 75th floor.
Originally posted by ULTIMA1PULL means the same thing for building 7 as it did for building 6. They PULLED building 6.
“We had to be very careful about how we demolished building 6. We were worried about building 6 coming down and damaging the slurry walls, so we wanted that particular building to fall within a certain area.”
Brent Blanchard, a demolitions expert with Protec, and contributor to ImplosionWorld.com, weighs in with his expert opinion:
We have never once heard the term 'pull it' being used to refer to the explosive demolition of a building, and neither has any blast team we've spoken with. The term is used in conventional demolition circles, to describe the specific activity of attaching long cables to a pre-weakened building and maneuvering heavy equipment (excavators, bulldozers etc) to 'pull' the frame of the structure over onto its side for further dismantlement. This author and our research team were on site when workers pulled over the six story remains of WTC6 in late fall 2001, however we can say with certainty that a similar operation would have been logistically impossible at Ground Zero on 9/11, physically impossible for a building the size of WTC7, and the structure did not collapse in that manner anyway.
Originally posted by CameronFox
Originally posted by ULTIMA1PULL means the same thing for building 7 as it did for building 6. They PULLED building 6.
Building 6 WAS indeed "pulled" meaning there were cables used to PULL the building's supports down. 7 collpased...if you want to go with a CD...then fine call it that. If you PULL a building, that does not mean by way of explosives.
Since the oil in the Silverstein tanks survived, we can surmise that there was no fire on the ground floor.
Dear Mr. Gould and Mr. Boyd
Re: Were oil company bombs, cutters used to 'pull' WTC #7?
A former (1965-1980) Schlumberger field engineer and researcher into computerized real-world data fusion, I am now a forensic economist investigating the special weapons and tactics (SWAT) teams used to execute the precise and co-ordinated series of attacks on 9/11.
I invite the board of directors of both of your companies to investigate the possible use of oil company remote-controlled bomb and cutter technologies by as-yet unidentified organizations which decided to ‘pull’ – industry jargon for demolish – WTC building #7.
WTC#7 became the first steel-frame building in history to collapse through fire. The collapse generated pools of molten steel in the debris piles at the site, consistent with the ignition of chemical (thermite) cutters pre-positioned by wireline inside its structural box columns and the remote-controlled detonation of atomized aluminum powder or ‘rocket fuel’ bombs in segregated column sections.
Schlumberger’s “Casing and Tubing Cutters” document has, “Cutters used to sever tubing or casing .. Jet cutters cut casing in a flat plane perpendicular to the casing wall. Chemical cutters burn the casing .. Applications: .. Burr- and flare-free cutting with chemical cutters; Bomb for heavy drillpipe or casing [base of box columns 4” thick]”.