Transamerica Pyramid

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"Transamerica Tower" redirects here. For the building in Baltimore, see Transamerica Tower (Baltimore).
Transamerica Pyramid
TransAmBldg 3871.jpg
Transamerica Pyramid is located in San Francisco
Transamerica Pyramid
Location within central San Francisco
Record height
Preceded by Bank of America Center
Surpassed by Salesforce Tower (2017)
General information
Status Complete
Type Commercial offices
Location 600 Montgomery Street
San Francisco, California
Coordinates Lua error in package.lua at line 80: module 'strict' not found.
Construction started December 1969
Completed Summer 1972
Cost US$32,000,000
Owner Transamerica Corporation
Management Cushman & Wakefield
Height
Roof 853 ft (260 m)
Technical details
Floor count 48
Floor area 530,000 sq ft (49,000 m2)
Lifts/elevators 18
Design and construction
Architect William L. Pereira & Harry D. Som
Structural engineer Chin & Hensolt, Inc.
Glumac International
Simonson & Simonson
Main contractor Dinwiddie Construction Co.
References
[1][2][3][4]

The Transamerica Pyramid is the tallest skyscraper in the San Francisco skyline. The building no longer houses the headquarters of the Transamerica Corporation, which moved their U.S. headquarters to Baltimore, Maryland, but it is still associated with the company and is depicted in the company's logo. Designed by architect William Pereira and built by Hathaway Dinwiddie Construction Company, at 853 ft (260 m), on completion in 1972 it was the eighth tallest building in the world.[5]

History

The Transamerica building was commissioned by Transamerica CEO John (Jack) R. Beckett, with the claim that he wished to allow light in the street below. Built on the site of the historic Montgomery Block, it has a structural height of 853 ft (260 m) and has 48 floors of retail and office space.

Construction began in 1969 and finished in 1972, and was overseen by San Francisco-based contractor Dinwiddie Construction (now Hathaway Dinwiddie Construction Company). Transamerica moved its headquarters to the new building from across the street, where it had been based in another flatiron-shaped building now occupied by the Church of Scientology of San Francisco.[6]

Although the tower is no longer Transamerica Corporation headquarters, it is still associated with the company and is depicted in the company's logo. The building is evocative of San Francisco and has become one of the many symbols of the city.[7] Designed by architect William Pereira, it faced opposition during planning and construction and was sometimes referred to by detractors as "Pereira's Prick".[8] John King of the San Francisco Chronicle summed up the improved opinion of the building in 2009 as "an architectural icon of the best sort - one that fits its location and gets better with age."[9]

The Transamerica Pyramid was the tallest skyscraper west of Chicago from 1972 to 1974 surpassing the then Bank of America Center. It was surpassed by the Aon Center in Los Angeles.

The building is thought to have been the intended target of a foiled terrorist attack, involving the hijacking of airplanes as part of the Bojinka plot, which was foiled in 1995.[10]

In 1999, Transamerica was acquired by Dutch insurance company Aegon. When the non-insurance operations of Transamerica were later sold to GE Capital, Aegon retained the building as an investment.[7]

Design

The land use and zoning restrictions for the parcel limited the number of square feet of office that could be built upon the lot, which sits at the north boundary of the financial district.

The building is a tall, four-sided pyramid with two "wings" to accommodate an elevator shaft on the east and a stairwell and a smoke tower on the west.[11] The top 212 feet (65 m) of the building is the spire. There are four cameras pointed in the four cardinal directions at the top of this spire forming a virtual observation deck. Four monitors in the lobby, whose direction and zoom can be controlled by visitors, display the cameras' views 24 hours a day. An observation deck on the 27th floor was closed after the September 11, 2001 attacks, and replaced by the virtual observation deck.

The top of the Transamerica Pyramid is covered with aluminum panels. During the Christmas holiday season, and on Independence Day and the anniversary of the September 11, 2001 attacks, a brightly twinkling beacon called the "Crown Jewel" is lit at the top of the pyramid.[11]

Specifications

  • The building's façade is covered in crushed quartz, giving the building its light color.
  • The four-story base contains 16,000 cu yd (12,000 m3) of concrete and over 300 mi (480 km) of steel rebar.
  • It has 3,678 windows.
  • The building's foundation is 9 feet (2.7 m) thick, the result of a 3 day, 24-hour continuous concrete pour. Several thousand dollars in quarters and change were thrown into the pit by observers surrounding the site at street level during the pouring, for good luck.
  • Only two of the building's 18 elevators reach the top floor.
  • The original proposal was for a 1,150 ft (350 m) building, which for a year would have been the second-tallest completed building in the world. The proposal was rejected by the city planning commission, saying it would interfere with views of San Francisco Bay from Nob Hill.[5]
  • The building is on the site that was the temporary home of A.P. Giannini's Bank of Italy after the 1906 San Francisco earthquake destroyed its office. Giannini founded Transamerica in 1928 as a holding company for his financial empire. Bank of Italy later became Bank of America.
  • There is a plaque commemorating two famous dogs, Bummer and Lazarus, at the base of the building.
  • The hull of the whaling vessel Niantic, an artifact of the 1849 California Gold Rush, lay almost beneath the Transamerica Pyramid, and the location is marked by a historical plaque outside the building (California Historical Landmark #88).
  • The aluminum cap is indirectly illuminated from within to balance the appearance at night.
  • The two wings increase interior space at the upper levels. One extension is the top of elevator shafts while the other is a smoke evacuation tower for fire-fighting.[12]
  • A glass pyramid cap sits at the top and encloses red aircraft warning light and the brighter seasonal beacon.

Tenants

See also

References

  1. ↑ Transamerica Pyramid at CTBUH Skyscraper Database
  2. ↑ Transamerica Pyramid at Emporis
  3. ↑ Transamerica Pyramid at SkyscraperPage
  4. ↑ Transamerica Pyramid at StructuraeLua error in Module:WikidataCheck at line 28: attempt to index field 'wikibase' (a nil value).
  5. ↑ 5.0 5.1 Lua error in package.lua at line 80: module 'strict' not found.
  6. ↑ A Landmark Church at the Golden Gates. scientology.org
  7. ↑ 7.0 7.1 Lua error in package.lua at line 80: module 'strict' not found.
  8. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  9. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  10. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  11. ↑ 11.0 11.1 Lua error in package.lua at line 80: module 'strict' not found.
  12. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  13. ↑ ATEL Capital Group Completes Move to the Transamerica Pyramid Building
  14. ↑ BofA renews lease at Transamerica Pyramid
  15. ↑ Incapture Group Moves Into The Iconic Pyramid

External links

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