Quote:

 

Collapse of the Towers
Building 7 housed not only the OEM and its EOC, but other government agencies as well. The Central Intelligence Agency (CIA), the Drug Enforcement Administration (DEA), the Federal Bureau of Investigation (FBI), and the Bureau of Alcohol, Tobacco and Firearms (ATF) were among the tenants. The building had its own power supply and private building security, and it had been built to be resistant to floods and storms. As the North Tower collapsed, federal staff members were laboring to remove boxes of contraband and other evidence for safeguarding.

The OEM had its own dispatch center that monitored all the frequencies used by New York City agencies. The center was used for personnel callbacks from the assigned staff of 104 people and for staffing the phone bank. Because the OEM did not have its own budget, its staff was provided by various city agencies, principally the NYPD, its original home department. As OEM staff began calling in from all over the city, the sound of the second plane striking Tower 2 was heard by dispatch center staff over their radio. This attack caused the internal alarms in Building 7 to activate, warning that there was no water pressure and that the emergency generator had been activated.

OEM staff immediately called for air security over New York City. The Federal Aviation Administration (FAA) directed the OEM to use NYPD and Port Authority Police Department air assets to clear the airspace around the World Trade Center. OEM was assured that federal support was on its way but also was warned that Kennedy Tower was reporting an unaccounted-for airplane heading for New York. This was the plane that ultimately crashed in Pennsylvania. At 9:17 A.M., the FAA shut down New York City's three commercial airports; at 9:40 A.M., it grounded all flights in U.S. airspace.

The OEM staff was ordered to evacuate Building 7 immediately as a precaution, but interview sources indicate they did not initially respond with a sense of urgency. They calmly collected personal belongings and began removing OEM records, but they were urged to abandon everything and leave the building quickly. Those interviewed believe that order saved their lives.

The OEM staff now had to develop responses to what had shortly before seemed unthinkable. As they dispersed to other locations, they observed people jumping to their deaths from the floors of the tower above the fire.

People inside the South Tower felt the floor vibrate as if a small earthquake were occurring. Instinctively, they sought shelter behind the massive pillars in the lobby, then everything went black. The vibration lasted for about 30 seconds. The doors were knocked out, and a huge ball of flame created by the exploding diesel fuel from the building's own supply tank shot from the elevator shaft and out the doors of the South Tower, consuming everything in its path. Minutes later, at 9:59 A.M., the tower collapsed.

Fortunately, the NYPD Command and Control Center was operational. MTA sent representatives to maintain continuity of communications. Almost immediately, the MTA representatives began coordinating the provision of buses to move military personnel and provide temporary shelters. Personal relationships developed during prior emergencies enhanced interagency coordination.

The Port Authority of New York and New Jersey had representatives at the NYPD Command and Control Center, and activated its own Emergency Operations Center (EOC). It also sent representatives to the NYC OEM in its temporary location.

DoYouEverWonder

Sep 20 2008, 09:52 AM

Diesel fuel and/or tanks don't explode very easily. Not unless they were sabotaged.

Another possibility would be to pack a few vans or trucks with explosives, that were driven onto the freight elevators or into the underground parking garages, like they did in 1993. There was enough underground parking for 2000 vehicles and a number of the recovered vehicles had blown up during the attack.

Also, there were natural gas and steam pipes that ran all around the complex, which would also be candidates for sabotage.

One more option, would be to sabotage the freon storage tanks. I would think it would be easier to get those to blow, then it would be to blow up a tank of diesel fuel.

JackD

Aug 1 2008, 04:03 PM

this was written by a consultant to RAND corp and KROLL, Brian Jenkins:

this account describes both building 7 tenants, including OEM, DEA, FBI, ATF and CIA -- what was happening at time of WTC1 collapse (10:56am?) -- which was removing of evidence from building --

and this curious part in bold face about a diesel-fuel fireball that erupted out of WTC2 lobby.
how does a diesel generator or tank explosion in WTC2 cause a vibration that lasts 30 seconds, then shoots up elevator shaft and out the doors of WTC2 (note that the lobby windows were also broken)/.
then moments later WTC2 collapsed?!
this account does not seem to be present anywhere else /.
how did Biran Jenkins get this information?>

Quote:

 

Collapse of the Towers
Building 7 housed not only the OEM and its EOC, but other government agencies as well. The Central Intelligence Agency (CIA), the Drug Enforcement Administration (DEA), the Federal Bureau of Investigation (FBI), and the Bureau of Alcohol, Tobacco and Firearms (ATF) were among the tenants. The building had its own power supply and private building security, and it had been built to be resistant to floods and storms. As the North Tower collapsed, federal staff members were laboring to remove boxes of contraband and other evidence for safeguarding.

The OEM had its own dispatch center that monitored all the frequencies used by New York City agencies. The center was used for personnel callbacks from the assigned staff of 104 people and for staffing the phone bank. Because the OEM did not have its own budget, its staff was provided by various city agencies, principally the NYPD, its original home department. As OEM staff began calling in from all over the city, the sound of the second plane striking Tower 2 was heard by dispatch center staff over their radio. This attack caused the internal alarms in Building 7 to activate, warning that there was no water pressure and that the emergency generator had been activated.

OEM staff immediately called for air security over New York City. The Federal Aviation Administration (FAA) directed the OEM to use NYPD and Port Authority Police Department air assets to clear the airspace around the World Trade Center. OEM was assured that federal support was on its way but also was warned that Kennedy Tower was reporting an unaccounted-for airplane heading for New York. This was the plane that ultimately crashed in Pennsylvania. At 9:17 A.M., the FAA shut down New York City's three commercial airports; at 9:40 A.M., it grounded all flights in U.S. airspace.

The OEM staff was ordered to evacuate Building 7 immediately as a precaution, but interview sources indicate they did not initially respond with a sense of urgency. They calmly collected personal belongings and began removing OEM records, but they were urged to abandon everything and leave the building quickly. Those interviewed believe that order saved their lives.

The OEM staff now had to develop responses to what had shortly before seemed unthinkable. As they dispersed to other locations, they observed people jumping to their deaths from the floors of the tower above the fire.

People inside the South Tower felt the floor vibrate as if a small earthquake were occurring. Instinctively, they sought shelter behind the massive pillars in the lobby, then everything went black. The vibration lasted for about 30 seconds. The doors were knocked out, and a huge ball of flame created by the exploding diesel fuel from the building's own supply tank shot from the elevator shaft and out the doors of the South Tower, consuming everything in its path. Minutes later, at 9:59 A.M., the tower collapsed.

Fortunately, the NYPD Command and Control Center was operational. MTA sent representatives to maintain continuity of communications. Almost immediately, the MTA representatives began coordinating the provision of buses to move military personnel and provide temporary shelters. Personal relationships developed during prior emergencies enhanced interagency coordination.

The Port Authority of New York and New Jersey had representatives at the NYPD Command and Control Center, and activated its own Emergency Operations Center (EOC). It also sent representatives to the NYC OEM in its temporary location.

Duffman1013

Sep 18 2009, 11:58 AM

Quick note, guys. I'm a NATE certified HVAC technician. Freon is R-22, and byproducts of combustion can include phosgene gas, but it's interesting to note that refrigerant (except for certain blends) are heavier than air and displace oxygen. No refrigerant except propane is actually flammable on it's own. The types of refrigerant used in WTC7 would probably include R-12 and R-22, however large buildings don't use decentralized climate control because of the issues of amount of refrigerant and the possibility of leaks. They usually use cooling "towers" to chill water and send that water to verious points in the building, and steam or hot water to heat the buildings. But the displacement of oxygen by refrigerant would be counterproductive to explosives, mostly because it limits the amount of free oxygen to combust, spontaniously or controlled. ;-)

Quote:

 

FREON



Huge underground tanks held more than 200,000 pounds of Freon stored to cool the seven buildings of the WTC complex. This had been the largest air-conditioning system in the country.

OSHA personnel were concerned that workers entering areas below grade could be exposed to Freon gas, a known, heavier-than-air, invisible killer. After a leaking tank was discovered, agency staff and the site construction manager carried out special sampling for months until all the tanks were uncovered and safely removed.

http://www.osha.gov/Publications/WTC/dangerous_worksite.html