21002 Mrakodrap Empire State Building

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Facts

  • Architect: Shreve, Lamb & Harmon Associates
  • Classification: High Rise
  • Construction Type: Riveted Steel Box Frame Constructions
  • Cost: $41 million (1931)
  • Elevators: 73 (64 in central core)
  • Floor Area: 254,000 m2(2,768,000 sq. ft.)
  • Footprint: 129 x 57 m (424 x 187 ft.)
  • Height: 381 m (1,250 ft.)
  • Location: 350 Fifth Avenue, New York City, New York, United States
  • Materials: Stainless Steel, Concrete, Glass, Aluminum, Limestone, Marble, and Granite
  • Pinnacle Type: Broadcast Antenna 448 m (1,470 ft.)
  • Stories: 102
  • Year: 1930 - 1931
  • Zoned: Office, Commercial, Retail, Communication & Observation

History

During the Great Depression, America’s labor force was at its highest supply and the value of the dollar was cut in half over night. Ironically, it was this combination of events that made a construction project of this proportion possible.

Built on the previous site of the famous Waldorf Astoria Hotel, the construction took seven million man-hours and had a feverish pace of 41⁄2 floors per week.
Ironworkers erected 60 thousand tons of riveted steel frames into a series of stacked boxes. They became known as “Sky-walkers” due to the dizzying heights they worked at – heights never previously attempted.

On May 1st, 1931, the building opened after only 410 days of construction and it remained the tallest building in the world until 1972 when the World Trade Center opened. The building has been named one of the 7 wonders of the modern world.

Architect

Designed by Gregory Johnson and his architectural firm Shreve, Lamb and Harmon, the Empire State Building celebrates the Art Deco movement, exemplifying this style to the highest degree. Often regarded as the symbol of American Skyscrapers, a great deal of thought and consideration was demonstrated during the 16 redesigns of the building’s design. After all, this would be the world’s first building to touch the sky with over 100 stories.

In 1964, floodlights were installed to decorate the top 30 floors. For different occasions the lights are used to illuminate the building at night, using colours chosen to match different events. As an example it was covered in red, white and blue for several months after the World Trade Center attacks while it´s coloured by the team colours every time New York Knicks (orange, blue & white) and New York Rangers (blue & white) plays a home match. On Valentine’s Day it is lit in red, white and pink.