The Burj Khalifa's design embodies the lyrical and well-proportioned structure of the Hymenocallis or Spider Lily, a regional desert flower that inspired architect Adrian Smith's vision of the iconic tower.
Giorgio Armani designed the entrance to Armani Hotel Dubai to give visitors the sense that they were stepping into his home. As a result, the reception has no check-in desk.
A truly mixed-use tower, Burj Khalifa comprises 1.85 million square feet of residential space, and 300,000 square feet of office space, in addition to the Armani Hotel Dubai and the Armani Residences. The tower also features lounges, health and wellness facilities, four pools and two observation decks.
The lobby of The Residence at Burj Khalifa is dominated by artist Jaume Plensa's eponymous sculpture 'World Voices'. The piece incorporates 196 cymbals. Water dropping gently from the ceiling strikes the cymbals and creates a chorus of distinct tones that represent the voices of people worldwide.Artist: Plensa
Egyptian-born artist Karim Rashid's 'Evolutes' adorns the corporate entrance of Burj Khalifa. The sculpture of shifting ovals is made using a highly reflective organic coating and natural stones in a transparent UV-resistant epoxy system.Artist: Karim Rashid
More than 12,000 people worked on-site at any given time during the building of Burj Khalifa. Their work and flow on and off-site were orchestrated in the WAR Room (Work-Action-Resolution).
All of Downtown Dubai - including The Dubai Mall, Mohammed Bin Rashid Boulevard, Souk Al Bahar, Old Town, and The Address Hotels - were coming to life alongside Burj Khalifa.
The 144 Armani Residences Dubai are located on levels 9 to 16, and each apartment has bespoke finishes and made-to-measure furniture and fittings. The intention was to create 'a warm, harmonious and luxurious space combined with elegant design - each element playing a precise role in the overall effect and balance'.
Burj Khalifa's stairwell has a total of 2,909 steps leading up to the 160th floor. Ladders are used to climb any higher.
Aside from a stunning view of the city of Dubai, the Observation Decks of Burj Khalifa also offers a unique aerial view of The Dubai Fountain. The performance soundtrack is played at the top for an immersive experience.
The common areas of Burj Khalifa all have a bespoke fragrance that was selected from among 18 aromas. The fragrance with the materials in each space for a subtly different experience.
Height of At the Top, Burj Khalifa is equivalent to being on the tip of the Petronas Towers in Malaysia.
Burj Khalifa is one of the most photographed buildings/structures in the world.
Building the world's tallest building required ingenious measures (and machinery) to enable the logistics chain. The construction site featured three of the world's largest cranes, with a self-jacking mechanism and a capacity to lift 25 tonnes.
Burj Khalifa is home to the world's first Armani Hotel, which opened its doors on April 27, 2010. All aspects of the luxury hotel bear the signature markings of Giorgio Armani, from the room designs to the fabrics and furnishings selected.
The tower's landscaped areas are divided into three distinct sections, for the residences, the offices and the hotel. The landscape design comprises a palm court, six water features, a lake-side promenade, forest groves, a play area and terrace gardens.
Burj Khalifa featured in Mission Impossible: Ghost Protocol, the fourth installment of the Mission Impossible series, with a hair-raising stunt sequence by Tom Cruise. The stunt scene was later parodied in the popular animated TV series The Simpsons.
Burj Khalifa comprises a record-breaking 330,000 cubic metres (11.6 million cubic feet) of concrete; 39,000 m/t of reinforced steel; 103,000 square metres (1.1 million square feet) of glass; and, 15,500 square metres (166,800 square feet) of embossed stainless steel. It took 22 million man hours to build the tower.
Burj Khalifa ranks #1 on all three criteria for tall buildings – height to architectural top (828 metres or 2,716.5 feet); height to highest occupied floor (over 570 metres or 1,800 feet); and, height to tip (828 metres or 2,716.5 feet).
Throughout the project, high-compressive strength concrete mixtures were used to withstand the record-breaking height. Pours were only done at night with concrete being chilled prior to mixing and part of the water being replaced with shards of ice.
It took six years, from the time excavation started to the globally televised launch of Burj Khalifa on January 4, 2010.
The mechanical, electrical and plumbing services for Burj Khalifa were developed during the design phase of the tower, as a combined effort of the architects, structural engineers and other consultants.
Burj Khalifa's water system supplies an average of 946,000 litres of water a day. Given the height of the tower, water storage tanks are installed in the main mechanical plant room floors, which are located every 30 floors.
If weighed, the total amount of concrete used in the construction of Burj Khalifa would equal the approximate weight of 100,000 elephants.
Burj Khalifa's lighting perfectly complements the character of the building as a simple and elegant structure. The facade is lit by a series of stroboscopes, that can be individually programmed to chase up the tower or sparkle in a pattern or at random.
The corridor approach to the spa in each Sky Lobby is designed using glass and responsive lighting that evokes the feeling of walking on water.
Approximately 26,000 individually hand-cut glass panels make up the exterior cladding of Burj Khalifa, along with reflective glazing, aluminium and textured stainless steel spandrel panels and stainless steel vertical tubular fins.
All the equipment essential for the operation of Burj Khalifa are housed in seven double-storey-height mechanical floors. Located every 30 floors, they accommodate the electrical sub-stations, water tanks and pumps, and air-handling units.
Burj Khalifa's superstructure is supported by a 3.7 metres thick reinforced concrete mat. It took 12,500 cubic metres of high-density, low-permeability concrete to build the mat. A cathodic protection system under the mat helps to mitigate the effects of corrosive chemicals in the ground water.
Visitors making their way to At The Top, Burj Khalifa are treated to an immersive journey through which they discover the compelling story behind the design and construction of the iconic tower.
Traditional 'abra' rides across Burj Lake give visitors to Burj Khalifa a chance to experience a traditional means of transport while also enjoying a unique view of Dubai Fountain.
The interiors of The Residence at Burj Khalifa are inspired by Middle Eastern culture. Curves and arcs that are representative of the strokes in Arabic calligraphy as well as the slopes of sand dunes can be seen in the flooring, carpets and ceilings.
The wonder of Burj Khalifa was made possible by the collaboration of more than 30 on-site contracting companies from around the world – a fact that is embodied in 'World Voices', an art installation in the lobby of The Residence.
With an eye to environmental friendliness, the gardens of Burj Khalifa are partly irrigated with water collected through the tower's Condensate Collection System, which collects condensation from the tower's air-conditioning systems as well as its surrounding humid atmosphere.
Burj Khalifa has been called a 'vertical city' and the name couldn't be more apt. Given its magnitude and mixed-use facilities, it holds in the region of 10,000 people at any given point in time.
The viewfinders located at the periphery of Burj Khalifa's Observation Decks transport you back in time to get a glimpse of what Dubai looked like before the the city's spectacular skyline was built.
To ensure the structural safety of the building, more than 40 wind tunnel tests were conducted on Burj Khalifa, ranging from verifying Dubai's wind climate to facade pressure tests.
While it was being developed and constructed, Burj Khalifa was known as Burj Dubai. It was during the inauguration of the tower that HH Sheikh Mohammed Bin Rashid Al Maktoum revealed its official title.
Burj Khalifa's facade is maintained via 18 permanently installed track and fixed telescopic, cradle-equipped units. The jib arms of each unit extend up to 36 metres. Under normal conditions, it takes three to four months to clean the entire exterior facade.
The elevators that takes visitors to the observation decks of Burj Khalifa at a speed of 10 m/s has a unique utility. It has a lower deck to transport corporate visitors and those visiting At.mosphere, the world's highest restaurant.
A little known fact is that Burj Khalifa features the world's highest library on Level 123 of The Residences.
On a foggy morning, when a thick layer of fog settles over the city of Dubai, the view from Burj Khalifa's Observation Decks is something to behold. It appears as though you are standing above the clouds.
To celebrate the winning of Dubai's bid to host Expo 2020, The Crown Prince of Dubai, His Highness Sheikh Hamdan Bin Mohammed Bin Rashid Al Maktoum, hoisted the UAE national flag from the tip of Burj Khalifa
There are three Sky Lobbies in Burj Khalifa. Located on levels 43, 76 and 123, these public spaces offer amenities such as spas, pools, outdoor sundecks, gyms, and juice bars, among others.
Burj Khalifa was the site of the world's highest BASE jump when UAE National Nasser Al Neyadi and his skydiving trainer Omar Alhegelan jumped off the tower and made a smooth landing after covering a vertical distance of 672 metres.
Burj Khalifa serves as an anchor to the Downtown Dubai community. A multicultural area, Downtown Dubai brings the best of the Arab and Western worlds together, offering something for everyone.
Burj Khalifa is the first world's tallest tower to include residential space.
There are approximately 4,500 'back-of-house' keys that make up Burj Khalifa's mater-key system, allow security to manage access across the tower.
Burj Khalifa's telescopic spire is
over 200 metres in height; it not only
secures Burj Khalifa's position as the
world's tallest tower, it also completes
the building's iconic design.
+The Amazing Gigapan
Rising to more than 800 metres, Burj Khalifa regularly harnesses the forces of nature to stage a lightning show, making it one of the most conspicuous lightning conductors in the world.
In September 2007, just 1,325 days after excavation began on-site, Burj Khalifa became the tallest freestanding structure in the world.
To prevent aircraft collisions, Burj Khalifa is equipped with high-intensity xenon white obstruction lights that flash 40 times per minute. The flash intensity of the lights changes through the day:
More than 380 skilled workers installed the exterior cladding of Burj Khalifa, starting work in May 2007 and finishing in September 2009. At their fastest, the team installed as many as 175 panels in a single day.
The Council on Tall Buildings and Urban Habitat (CTBUH) bestowed the 'Global Icon' award on Burj Khalifa in 2010. It is intended that the award will only be conferred on an occasional basis, when merited by an exceptional project – perhaps every 10 or 15 years.
To ensure fire safety and speed of evacuation, all stairwells in Burj Khalifa are surrounded by concrete and there are pressurized, air-conditioned refuge areas almost every 25 floors.
Burj Khalifa's curtain wall is the equivalent of 17 soccer fields or 25 American football fields.
The highest reinforced concrete core walls in Burj Khalifa were pumped at 80 MPa to a height of 601 metres in November 2007.
The ambient temperature at the tip of Burj Khalifa is six degrees cooler than the temperature at ground level.
Every year Burj Khalifa hosts a New Year's Eve Gala in Downtown Dubai. The event is one of Dubai's most anticipated with light and fireworks shows. The night sees more than 1 million people in attendance and is telecast live to over 2 billion people around the world.
The total weight of aluminium used in the building of Burj Khalifa is equivalent to that of five A380 aircraft and the total length of stainless steel bullnose fins is 293 times the height of the Eiffel Tower.
One of the greatest /en/images of modern time is a 360-degree gigapan picture of Dubai taken from the tip of Burj Khalifa's spire. It was taken to mark the second edition of the Hamdan Bin Mohammed Bin Rashid Al Maktoum Photography Award (HIPA).
During peak cooling hours, Burj Khalifa requires about 10,000 tons of cooling, equivalent to the cooling capacity of approximately 10,000 tons of melting ice.
Burj Khalifa entered record books yet again when Alain Robert, aka 'French Spiderman', scaled the tower in just over six hours in March 2011.
Burj Khalifa has a total of 57 elevators and eight escalators. Among them are the world's tallest service elevator, which has a capacity of 5.500 kg and the Observatory elevators, which are double deck cabs that travel at 10 m/s.
Skydive Dubai-sponsored Soul Flyers World Champions Fred Fugen and Vince Reffet took the first leap off Burj Khalifa in April 2014, claiming the new Guinness World Record title of the 'Highest BASE Jump from the Tallest Building'.
The plaque placed outside the entrance to Burj Khalifa's Corporate Suites is the one that His Highness Sheikh Mohammed Bin Rashid Al Maktoum unveiled marking the launch of the iconic tower.
Of the many challenges faced by Burj Khalifa's construction team, achieving perfect communication and harmony across the multi-lingual and multicultural task force was one of the most difficult.
The spider lily or hymenocallis, which served as inspiration for the form of Burj Khalifa, is a noticeable part of the stunning landscaping that surrounds the tower.
If you were to take all the concrete used in Burj Khalifa and lay a sidewalk, it would be 2,065 kilometres (1,283 miles) long.
Height of the tower from Level 124 to the spire more than the height of Eiffel Tower.
A jump form system was used to cast Burj Khalifa's concrete structure. At peak efficiency, it was able to cast a storey every three days.
Burj Khalifa is a study in the world's most luxurious materials - the interiors of the tower feature silver travertine flooring, Venetian stucco walls, handmade rugs, stone flooring and dark, intricate Brazilian santos rosewood.
At least 45 different types of stone were used in construction of Burj Khalifa.
Burj Khalifa is constructed on a site that used to be owned by the military. The site was cleared in 2004, shortly before work began on the tower.
The illustration below shows how pattern of the tower is built upon the repetition of a single basic geometrical motif that is reminiscent of Islamic art and architecture.
The Dubai Fountain performs 13 spectacular shows a day to some of the most recognizable melodies of our time.
An eye for detail and consistency meant that all material for the interior spaces of Burj Khalifa were acquired from a single source of supply, helping to control quality and standards.
Flight paths in and out of Dubai have had to be changed at various height milestones since construction commenced on Burj Khalifa. Flights coming into DXB have to change the Pingo holding pattern altitude since Burj Khalifa reached 790 m in height.
The landscaping around Burj Khalifa is made up of slow-growing species of plants, selected especially for their ability to thrive in Dubai's hot climate.
Downtown Dubai was being constructed in tandem with Burj Khalifa, making the scale of work so large that a dedicated concrete plant was installed on-site to ensure adequate supply of concrete at every stage.
Burj Khalifa's landscaping radiates from the tower and into the surrounding Downtown Dubai, creating a tangible link between the tower and the community.
On 4 January 2010 the eyes of the world turned to Burj Khalifa as His Highness Sheikh Mohammed Bin Rashid Al Maktoum, UAE Vice President and Prime Minister and Ruler of Dubai inaugurated the world's tallest tower. A spectacular light and sound show followed and was broadcast around the world.
The fireworks at the launch of Burj Khalifa were epic featuring more than 10,000 individual firework shots that were attached to the exterior of the building by French alpinists, who were brought in especially to choreograph the show.
Armani Hotel Dubai and Armani Residences Dubai were designed and developed by Giorgio Armani himself, offering a unique and bespoke service, embodying the 'Stay with Armani' philosophy.
The very tip of the spire of Burj Khalifa can be seen from up to 95 kms away, making it a wondrous sight for those flying in to Dubai.
The interiors of At.mosphere were designed by New York-based Adam Tihany. The restaurant's three distinct parts occupy the entire floor, providing panoramic views of Dubai and the desert and sea beyond.
In January 2007, Burj Khalifa had 100 storeys; by July that year, it was the tallest building in the world.
Burj Khalifa's design is inspired by Middle Eastern architecture, but an international team of experts came together to build it.
Each of Burj Khalifa's three sky lobbies has been designed with bespoke furniture, making them a unique communal space for residents to gather and share the view.
Skidmore, Owings and Merrill created close to 4,000 drawings when designing Burj Khalifa; when the building was on site, close to 10 times more drawings were produced.
Three high-altitude cranes were used throughout the construction of Burj Khalifa, climbing up the tower as new levels were completed.
The maximum occupancy Burj Khalifa can accommodate is 35,000 people, which is the population of a small town.
At night, strategically placed lighting emphasizes the geometry of the landscaping and plays with the design through light and shadow.
Burj Khalifa is built around a hexagonal core that rises up through the building and houses most of the tower's 57 elevators, the tallest of which travels to 504 meters, setting a world record.
Every component of Burj Khalifa was tested during design development to ensure it would perform to expectations.
During the hot summer months or in the cool winters, the temperature at the top of Burj Khalifa is six degrees cooler than at ground level.
Special recovery cranes were installed at levels 99 and 159 to help with the task of dismantling and removing the high-altitude cranes. The crane that operated at the highest point, approximately 700m above the ground, dismantled its own mast sections, stepping down in height each time.
After a year spent completing groundwork, the first 100 levels of Burj Khalifa were completed in 1,093 days. That's one storey every three days!
The ceiling of the 125th floor of Burj Khalifa features a sprawling 'mashrabiya' – intricately carved latticework – across it as a tribute to Arabian arts and culture.
Burj Khalifa's public spaces can be seen clearly on Google Street View. Google used the Trekker, a 40-pound, backpack-sized camera to capture views from the tower's upper floors and parts of the interior.
A jewel-like statement in red and grey mosaic, red glass tiles and basalt cladding, Sabrah defines the driveway of Burj Khalifa. Orchestrated down to its choreographed waves, Sabrah has a mellifluous quality that is meant to calm the senses.
From a bird's eye view, the patterns of Burj Khalifa's landscaping are an abstraction of the tower's architectural geometry.
Each glass panel in Burj Khalifa's exterior cladding comes with energy-saving silver-coating to limit solar heat gain, weighs 362 kilograms and measures 1.37 metres by 3.25 metres.
Burj Khalifa holds the world record for the highest habitable floor at 160 storeys.
Burj Khalifa, the world's most coveted address, features 900 residences, ranging from studios to one, two, three and four-bedroom suites, located on levels 19 to 108 of the tower's residential wing.
Burj Khalifa's foundation is made up of 125 piles that are 1.5 metres in diameter and 50 meters in length, comprising 45,000 cubic metres of concrete, reinforced with steel.
Thousands of people moved on and off site during the construction of Burj Khalifa. The planning and logistics that went into their movements took place in the W-A-R Room (Work-Action-Resolution).
Burj Khalifa is the first "megatall" building that has elevators that are programmed for controlled evacuation in case of fire or security events.
The construction of Burj Khalifa moved a rapid pace – excavation took place in 2004 and by April 2005, groundworks werepage already done.
Keeping the exterior of Burj Khalifa sparkling requires special jib arms that were custom-made for the tower.
Burj Khalifa, which features a total built-up area of 5.67 million sq ft, is the world's first truly mixed utility tower.
Completely empty Burj Khalfa weighs approximately 500,000 tonnes.
Instead of using obtrusive signage, Burj Khalifa's landscaping provides an intuitive experience that suggests where people should walk, stop or gather.
There are more than 17,000 doors in Burj Khalifa.
The entrance pavilions of Burj Khalifa take leaf-like forms that echo the geometry of the tower's design.
It takes us around 120 days to clean all the windows of Burj Khalifa.
Over six years of construction, 12,000 workers spent 22 million man-hours on Burj Khalifa. If one person were to attempt the work, it would take more than 7,534 years.
World-renowned designer Giorgio Armani personally designed the interiors of Armani Hotel Dubai.
Burj Khalifa sets another world record, with the world's highest electrical substation of Level 155 of the tower.
Situated on the 122nd floor of Burj Khalifa, At.mosphere is the world's highest lounge bar, offering a unique epicurean experience with a side order of stunning views of the Arabian Gulf and Dubai's skyline.
The three-petal motif used across the interiors of Burj Khalifa reflects the tower's three-petal footprint.
The elevator ride taking visitors from the ground floor up to the Observation Decks feature special soundtracks developed specifically for Burj Khalifa. The rhythm and beats build up to a crescendo as the elevators ascend to their destinations.
While the world has seen many tallest towers, Burj Khalifa is the first to include residential space.
The At the Top, Burj Khalifa observation decks are popular tourist attractions. By the end of 2014, the distance travelled by the observation deck elevators was equivalent to circumnavigating the globe 8 times.
The tower's three Sky Lobbies are transfer areas for residents and guests. The Sky Lobbies are connected by express elevators that only service the Sky Lobbies as well as shuttle elevators that stop on each floor in between.
Armani Hotel Dubai's six exclusive fine dining restaurants feature delectable cuisines from around the world.
Natural light is a strong feature of every apartment in Burj Khalifa. The tower's tripedal form makes it so that every apartment can be located next to the curtain glazing.
Burj Khalifa's three entrances have been designed to ensure optimal light and temperature inside the foyers. Each entrance is equipped with motorised Venetian blinds that can be tilted and lifted to regulate conditions.
Burj Khalifa's final height of 828 metres was only revealed to the world when the tower was launched on 4 January 2010, with a spectacular celebration featuring light shows and fireworks.
The sparkling lights at the upper heights of Burj Khalifa are designed to complement The Dubai Fountain.
The doors in Burj Khalifa have been built with a unique and smart wind-tracking device that indicates whether or not wind conditions are safe to open them.
The hymenocallis or spider lily, a flower is widely cultivated in Dubai and the GCC and is the inspiration for the structural design of Burj Khalifa.
Burj Khalifa is a symbol of the aesthetic union of may cultures around the world. According to Emaar's chairman Mr. Mohamed Alabbar, it is the Arab world's tribute to the art and science of modern engineering.
Burj Level 153 of Burj Khalifa is the highest occupied floor in the world. The level has a private terrace and is used for corporate and private events.
Burj Khalifa joined a prestigious lineup of buildings when it joined the LEGO® Architecture collection in the year 2011. Burj Khalifa's LEGO® model is designed by renowned architect Adam Reed Tucker.
At least 45 different types of stone were used in construction of Burj Khalifa.
Burj Khalifa is an architectural marvel featuring many records, including the world's tallest elevator shaft. The BS1 service elevator shaft spans 140 levels, making it the tallest in the world.
The construction of Burj Khalifa was such a grand execution that it grabbed the attention of National Geographic. The channel made a documentary on the subject as part of the 'Big, Bigger, Biggest' series.
In 2014, Dubai Shopping Festival hosted the world's first 'vertical fashion show' at Burj Khalifa. The extraordinary show featured models cat walking on the external facade of Burj Khalifa.
In 2013, Burj Khalifa joined hands with Dubai Cares to raise funds. The project commissioned prominent UAE-based artists to paint miniature models of Burj Khalifa, which were then auctioned by Christie's.
New Year's Eve celebrations at Burj Khalifa attract over 1 million people to the Downtown Dubai area to watch the spectacular fireworks.
In 2012, Burj Khalifa joined forces with Noor Dubai Foundation on 'Art4Sight' during which Esref Armagan, a blind Turkish painter, sketched Burj Khalifa just by feeling a miniature model of the tower with his fingers.
It took three self-erecting cranes, each with a capacity of 25 tonnes, to move materials on the site of Burj Khalifa.
Burj Khalifa's Y-shaped plan allowed for the building to be rotated 120 degrees and for each tier of the building to have a different width. The stepping of each tier helped to reduce the wind force on the tower.
High-tech as the custom-made Building Maintenance Units created for Burj Khalifa's exterior facade may be, maintenance personnel still use the old-fashioned bucket of water and squeegee to keep the facade clean.
The souvenir shop located at At The Top, Burj Khalifa carries the steel bolts that were used in the construction of Burj Khalifa for sale.
The Observation Deck on Level 148 of Burj Khalifa is the highest in the world at 555 meters.
Burj Khalifa is so tall that you can see the sunset twice in the same evening - first from a low floor and then again from At The Top, Burj Khalifa.
When Burj Khalifa was first conceived, it was a 90-storey tower. It was His Highness Sheikh Mohammed Bin Rashid Al Maktoum who inspired Emaar to push boundaries and create a truly iconic tower.
Burj Khalifa's three primary entrances – Armani Hotel, Residence and Corporate Suites – were designed to be on different levels to ensure smooth-flowing traffic at all times.
'Dubai – A Falcon's Eye View' is located on Level 125 and is part of At The Top, Burj Khalifa. It gives visitors a unique perspective of Dubai.
Burj Khalifa's public areas feature the design of award-winning designer Nada Andric. The interiors combine glass, stainless steel and polished dark stones, together with silver travertine flooring, Venetian stucco walls, handmade rugs and stone flooring.
Prominent celebrities, sportsmen, politicians and artists are among the many visitors to Burj Khalifa's popular observation deck. Don't be surprised to see a famous face if you visit At The Top, Burj Khalifa.
For the convenience of guests and those who work in the tower, Burj Khalifa has 3,000 underground parking bays.
The Offices, located in a 12-storey annex to Burj Khalifa, offer prime office space in the heart of Downtown Dubai.
The Residences at Burj Khalifa cover 1.85 million square feet in total, while The Offices cover more than 300,000 square feet.
Among its pantheon of records Burj Khalifa also holds the world record for pumping concrete to the highest point (605 metres).
High-intensity xenon white obstruction lights are located strategically on the exterior facade of Burj Khalifa to prevent air-traffic collisions.