How many floors did the Twin Towers have?

The Twin Towers were the centerpieces of the World Trade Center complex. At 110 stories each, 1 WTC (North Tower) and 2 WTC (South Tower) provided nearly 10 million square feet of office space for about 35,000 people and 430 companies.

How many basement floors did the Twin Towers have?

When the World Trade Center complex was built a generation ago, among the engineering marvels was a seven-level basement and an underground wall called “the bathtub” to keep the Hudson River at bay.

What floors did planes hit on 911?

8:46:40: Flight 11 crashes at roughly 466 mph (790 km/h, 219 m/s or 425 knots) into the north face of the North Tower (1 WTC) of the World Trade Center, between floors 93 and 99.

How many levels do the Twin Towers have?

At 110 floors, the World Trade Center towers had more floors than any other building at that time. This number was not surpassed until the construction of the Burj Khalifa (163 floors), which opened in 2010.

How many stairs were in the twin towers?

The granite and concrete staircase consists of thirty-seven steps that once connected the outdoor plaza outside of the twin towers down to the street below. Prior to the attacks it had weighted 175 tons and stood 22 feet high, by the time it was moved in 2008 the staircase weighed 65-tons.

9/11: 15 years later

Were there any survivors found in the rubble of 9 11?

In total, twenty survivors were pulled out of the rubble. The final survivor, Port Authority secretary Genelle Guzman-McMillan, was rescued 27 hours after the collapse of the North Tower.

Why did twin towers fall?

The collapse of the World Trade Center occurred during the terrorist attacks of September 11, 2001, after the Twin Towers were struck by two hijacked commercial airliners.

How many died 911?

During the September 11, 2001 attacks, 2,977 people were killed, 19 hijackers committed murder–suicide, and more than 6,000 others were injured. Of the 2,996 total deaths (including the terrorists), 2,763 were in the World Trade Center and the surrounding area, 189 were at the Pentagon, and 44 were in Pennsylvania.

How deep was the basement in the world Trade Center?

The foundation of the Twin Towers rested directly on the rock at a depth of more than 70' below the ground surface.

How fast were the elevators in the Twin Towers?

Twin Towers' elevator speed: 1,600 feet per minute

The Twin Towers had 198 elevators operating inside 15 miles of elevator shafts, and when they were installed, their motors were the largest in the world.

What was on the top floor of the Twin Towers?

On the 107th floor of this building was a popular tourist attraction called "Top of the World Trade Center Observatories," and on the roof was an observation deck accessible to the public and a disused helipad at the center.

What replaced the Twin Towers?

One World Trade Center officially opens in Manhattan on November 3, 2014. The new tower, along with the rest of the World Trade Center complex, replaced the Twin Towers and surrounding complex, which were destroyed by terrorist attacks on September 11, 2001.

Who caused 911?

The September 11 attacks, commonly known as 9/11, were a series of four coordinated suicide terrorist attacks carried out by the militant Islamic extremist network al-Qaeda against the United States.

Who Hijacked 911?

The hijackers in the September 11 attacks were 19 men affiliated with the militant Islamist group al-Qaeda. They hailed from four countries; 15 of them were citizens of Saudi Arabia, two were from the United Arab Emirates, one was from Lebanon, and one from Egypt.

How long did it take for the twin towers to collapse?

The buildings collapsed within ten seconds, hitting bottom with an estimated speed of 200 km/h (Getty Images). The egg-crate construction made a redundant structure (i.e., if one or two columns were lost, the loads would shift into adjacent columns and the building would remain standing).

Where did the rubble from the twin towers go?

Cleanup workers trucked most of the building materials and debris from Ground Zero to Fresh Kills Landfill in Staten Island.

How long did the smoke last on 9 11?

There were also unprecedented levels of dioxins and polycyclic aromatic hydrocarbons (PAHs) from the fires which burned for three months.

How long was john McLoughlin trapped?

The two men were eventually rescued after hours of painstaking work — Jimeno after 13 hours and McLoughlin after 22 hours. McLoughlin was gravely injured. Doctors kept him in an induced coma for six weeks.

How many steps climbed 9 11?

The 9/11 Memorial Stair Climb

They climb 110 flights (or 2,200 steps), which symbolizes the heroic as-cent that FDNY firefighters took on Sept. 11, 2001.

How many floors did the firefighters climb on 9 11?

The numbers are significant — 343 New York City Fire Department first responders died at Ground Zero that day trying to climb the 110 flights of stairs to save people during an unimaginable event.

How many stairs are in 110 floors?

Remembering those who made the ultimate sacrifice

The World Trade Center's Twin Towers each consisted of 110 floors and 2071 steps, and each year thousands of people across Arizona walk, climb and run the stairs to remember.

Who is the falling man's name?

Jonathan Briley

It was adapted into a documentary film by the same name. The article gave the possible identity of the falling man as Jonathan Briley, a 43-year-old sound engineer who worked at Windows on the World.