NYC 9/11 Public Portal Document
Table 1
General Information on the World Trade Center Towers
Height Tower One: 1,368 feet Tower Two: 1,362 feet
Weight 1.5 million tons
Statistics 110 floors
6 basements (with 2 subway stations and PATH train station)
1 underground mall
43,600 windows
97 passenger elevators and 6 freight elevators
300 computer mainframes
Air conditioning had 60,000 tons of cooling capacity
Rentable Space 43,200 square feet per floor 10,000,1 total square feet
Owners and Operators Port Authority of New York and New Jersey
Groundbreaking August 5, 1966
Opening Ceremony April 4,1973 (Parts were opened between 1970-1973)
Construction Materials Steel: 200,000 tons
Concrete: 425,000 cubic yards
Glass: 600,000 square feet
Electric cables: 12,i miles
Table!
2000 Census Block Level Population
Distance From WTC Total Population Housing Units
One-Quarter Mile 6,965 4,617
One-Half Mile 17,596 10,768
Three-Quarter Mile 29,667 16,482
The 16-acre site of the World Trade Center was buffered, and an aerial proportion technique
was used to estimate the number of persons living in the area.
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NYC-WTC_000149639
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