Burj Khalifa with 164 floors was completed within 5 years and it needed 12,000 workers, 22 million working hours and the cost of construction was $ 1.5 billion. The temperature between the lowest and highest floor of this tower differences up to 15 degrees
Burj Khalifa in Dubai is the world’s tallest tower with 164 floors standing at 828 meters (2,716.5 feet) tall. It is higher than the World Trade Center in Manhattan (USA) and It’s three times the height of the Eiffel Tower and nearly twice as tall as the Empire State Building. Visitors can see the Burj Khalifa sparkling at night although they stand anywhere in the city because this tower owns the highest outdoor observation deck anywhere
The work first opened in 2010 by the luxury and expensive opening ceremony. Burj Khalifa took 5 years and more than 12,000 workers to complete this highest tower and the construction cost was more than $ 1.5 billion. The construction process of the tower is supposed to be the fastest time in the world. Well, once It even took only 3 days to complete a new floor.
The foundation of the tower was digged 43 meters deep and it took four months to clean up 24,000 windows. Apart from holding the World Record for being the highest tower in the world, Burj Khalifa holds several other records such as the tallest free-standing structure; the highest occupied floor; highest number of stories in the world; the highest observation deck; elevator with longest travel distance in the world; and the speed of the world’s fastest elevators (64 km / h).
Before being named Durj Khalifa, It had the initial name is Burj Dubai. But it is said that apartments here didn’t have lots of reservations due to the high price at that time and then Dubai forced to need help of the chairman of Abu Dhabi, Sheikh Khalifa bin Zayed Al Nahyan, to ask for his help and support billions of dollars to cover the debt. After that the tower was renamed in the opening ceremony to honor the generous royalty
The temperature between the lowest and highest storey of the tower has a huge difference, up to 15 degrees C. Time to catch a sunrise and a sunset is an hour apart. On foggy days, people working at the high stories could not even look down the city.
Due to be built in the desert, Burj Khalifa could bear the heat over 120 degrees C and it is covered by 24 348 insulation panels.
The weight of the Burj Khalifa without people is 500,000 tons equivalent to 100.000 elephants
An apartment for rental in Burj Khalifa is $ 55,000 / year but a service fee is $ 25,000 that many customers express dissatisfaction. However, 90% of apartments in the Burj Khalifa is always reserved