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FASCINATING FACTS
More than 1.2 million cubic yards of
earth and rock were excavated to make way for the World Trade Center. The
excavated material was placed in the Hudson River to create 23.5 acres of
new land deeded to the City of New York. This landfill area is now Battery
Park City.
More than 200,000 tons of steel, far more than the amount required for
the construction of the Verrazano Narrows Bridge, was used in the World
Trade Center's construction.
The 425,000 cubic yards of concrete used in building the World Trade
Center is enough to build a five-foot wide sidewalk from New York City to
Washington, D.C.
At peak periods of construction, some 3,500 workers were on the site
daily.
There were 43,600 windows in the Twin Towers with over 600,000 square feet
of glass window area cleaned by automatic window washing machines traveling
on stainless steel tracks.
With 60,000 tons of cooling capacity, the World Trade Center's
refrigeration plant was the largest in the world.
The 360-foot television mast atop One World Trade Center supported 10 main
television antennas, numerous auxiliary antennas and a master FM antenna.
Transmissions from the mast began in June, 1980. Ten television stations in
the metropolitan area, including all the major networks, broadcast from the
mast. In addition, six stations used to broadcast high-definition, digital
television from the World Trade Center.
The Tower's skylobby elevator systems separated express from local runs.
There were 239 elevators and 71 escalators in the four buildings operated by
the Port Authority at the complex. The sky lobby express elevators were
capable of carrying 55 people, a 10,000 pound capacity. Express elevators
could travel at speeds of up to 27 feet per second.
OFFICE BUILDING PROFILES
Architects: Minoru Yamasaki & Associates;
Emery Roth & Sons, P.C.
Plot: 960 x 710 (681,600 sf) shared site for 1, 2, 4, 5 and 6 World Trade
Center
1 WORLD TRADE CENTER - NORTH TOWER
Built: 1970
Height: 110 Floors
Floor Sizes: (9 - 105) 45,000-50,000 sf
Elevators: 97 passenger, 6 freight
2 WORLD TRADE CENTER - SOUTH TOWER
Built: 1972
Height: 110 Floors
Floor Sizes (2 - 109) 45,000 - 50,000 sf
Elevators: 97 passenger, 6 freight
4 WORLD TRADE CENTER - SOUTHEAST PLAZA BUILDING
Built: 1977
Height: 9 Floors
Floor Sizes: (2 - 9) 84,500 sf
Elevators: 12 passenger, 1 freight
5 WORLD TRADE CENTER - NORTHEAST PLAZA BUILDING
Built: 1972
Height: 9 Floors
Floor Sizes: (2 - 9) 108,400 sf
Elevators: 9 passenger
6 WORLD TRADE CENTER - U.S. CUSTOMHOUSE
Built: 1975
Height: 8 Floors
Floor Sizes: (2- 8) 80,400 sf
Elevators: 8 passenger, 4 freight
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