Empire State Building

General information.

• Type=
•  office, observation
• Location=
• 350 fifth avenue new York, NY 10118
• Architectural style=
• Art deco
• Construction started=
• 1929
• Completed=
• 1931
• Cost= 
•  $ 40,948,900 ($629 Million in 2013 dollars)  

   

 Tallest Building in the world from 1931 to 1970.

                The empire state building is a 103 story skyscraper located in midtown Man Hatton new York city, at the intersection of faith avenue and west 34^th street, it has a roof height of 1,250feet (381meters), and with its antenna spire included it stands a total of ,454ft (443.2m) high., its name is derived from the nick name for new York, the empire state,  it stood as the world’s tallest building for nearly 40 years, from its completion in early 1931 unit the topping out of the world trade center’s north tower in late 1970. Following the September 11 attacks in 2001, the Empire State Building was again the tallest busing in New York (although it was no longer the tallest in the US or the world), unit one world trade center reached a greater height on April 30,2012

Technical details.

• Floor count=
• 103
• Floor Area=
• 2248,355 sq
• ft+(208,879m     
• Lift Elevators =
•  73
• 
  
• Height=
•  
• Architectural=
• 1,250 ft (381.om)
• Type=
• 1,454 ft (443.2m)
• Roof=
• 1,250 ft (381.0m)
• Top floor=
• 1,224 ft (373.1m)
• Observatory=
• 1,224 ft (373.1m) 

History:

          The site of the empire state building was first developed as the john Thompson from in the last 18^th century. At the time, a stream ran across the site, emptying into sunfish pond, located a block away beginning in the last 19^th century, the block was occupied by the Waldorf-Astoria hotel, frequented by the four hundred the social elite of New York.

          The limestone for the empire state building came from the empire mill in sanders, adjacent which          is an unincorporated town adjacent to Bloomington, Indiana. The empire mill land office is near state road 37 just south of Bloomington. It is a point of local pride that the stone for the empire state building came from there.

         

  Design and Construction.

• Architect=
• Shreve, lamb and Harmon
• Developer= 
• John J. Raskob
• Structural Engineer=
• Homer Gage Balcom
• Main Contractor=
• Starrett Brothers and E ken.

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Burj Khalifha

• Introduction.

The Burj Khalifa  Tower completed in. 2010.

Opening the tower of Burj Khalifa in.4 January 2010.

Cost of the tower is US $1.5 Billion

                                   Height

• Architectural                       828m(2,717fit)

• Tip                                            829m(2,717fit)

• Roof                                              828m(2,717fit)

• Top floor                            58405m(1,918fit)

• Observatory                          452.1m(1483fit)

• Floor count                       163 fit 

• Floor area                     309,473m(33,31,00sqfit)

History.

Burj khalifa (Abu Rabic Khalifa Tower) known as Burj Dubai prior to its inauguration is a skyscraper in Dubai , United Arab emirates and is the tallest man made structure  in the world, at 829,8m(2722 ft).

                               Main contractor

Samsung engineering and construction company, besix and arabtec

Supervision consulting construction project manager turner construction

   In march 2009 Mohammed Ali Alabber Chairaman of the projects developer, Emar Properties, said office space pricing at Burj Khalifa reached US $ 4000 per saft (over US $ 3000 per m)and the Armani residences also in Burj khalifa sold for US $ 3,500. Per sq fit (over US $ 37500 per m). he estimated the total cost for the project to be about US $ 1.5 billion.

The projects completion coincided with the global financial crisis of 2007-2012

 And with vast over building in the country, this lead to high vacancies and foreclosures.    

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