The Council on Tall Buildings and Urban Habitat is Non profit organization. It was founded in 1969 by Lynn S. Beedle in Pennsylvania USA. From the last 40 years this organization has been tracking record of Worlds Tallest buildings. It maintains three definitions for measuring the tall building height, function, materiality. The official Height committee was formed in 1993 and published CTBUH 100 Tallest Buildings in the World”
The first Skyscraper was Home Insurance Building of Chicago was built in 1885, it was 55m in height. Recent world tallest tower is Burj Khalifa Burj Khalifa, in Dubai, United Arab Emirates, was completed in January 2010 measured 828 meters with 160 stories.
CTBUH announces best building award each year. For year 2012 award announced for new “Innovation” and “Performance”. The CTBUH Council’s Awards Committee selects the winner of each category. The overall “Best Tall Building Worldwide” is selected from the four regional winners and announced at the CTBUH Annual Awards Ceremony & Dinner, celebrating the remarkable achievements of the distinguished individuals and project teams.
BEST TALL BUILDING, MIDDLE EAST & AFRICA
The Doha Tower is The distinctive cylindrical form is elegant and efficient , creating a distinctive new landmark for the fast growing Qatar Capita. The facade is constructed of multi layered patterns invoking ancient Islamic screens designed to shade buildings from the sun. The Skin of the building is a beautiful expression of the local culture, connecting this very modern tower with ancient Islamic designs. It also provides a fantastic pattern of light within the building, while efficiently dampening the impacts of the sun’s rays. The Doha Tower 238 meter high with 46 stories, located at west bay Doha Qatar. The building purposefully constructed for Office use. The owner of the building is HE Sheikh Saoud bin Mohamed Bin Al Thani. The Architect designer is Ateliers jean Nouvel and structured by Terrell International Engineer. Was completed in March 2012. Figures
BEST TALL BUILDING, ASIA & AUSTRALASIA
The Bligh Street Tower is 135 meter high with 28 stories is constructed in July 2011. It has several ground breaking technological advances: innovating with double skin, naturally ventilated glass façade and hybrid system using gas and solar energy to generate the cooling and heating. The series of communal spaces throughout the building, and especially the fantastic rooftop garden, add greatly to the quality of life in the Bligh. The building is suitable for office use. The owner of the Building is Dexus Property Group. Figure-
BEST TALL BUILDING CANADA
79.5 meter high residential Absolute Tower is going to complete next month in August 2012. This 56 stories building is very attractive due to its sexy curves, it has left new landmark to the skyline of Mississauga, the fast growing suburb of Toronto. The design features smooth, unbroken balconies that wrap each floor of the building. With Absolute we see the entire building twisting to achieve the organic form, creating a beautiful new land mark The torsional form of the towers is underpinned with a surprisingly simple and inexpensive structural solution is situated at Mississauge, Canada. Owner of the building Fern Brook and Cityzen. Figure 
INNOVATION AWARD
145 Meter tall Al Bahar Tower completed in Jun 2012 located in Abu Dhabi, UAE. The Tower’s innovative dynamic facade opens and closes in response to the movement of the sun, reducing solar gain by more than 50% creating a more comfortable internal environment for occupants and producing a distinctive external aesthetic which helps to define the building as a gateway to the UAE capital. The facade was conceived as a contemporary interpretation of the traditional Islamic mashrabiya, a popular form of wooden lattice screen found in varnacular Islamic architecture and used as a device far achieving privacy while reducing glare and solar gain.
“The dynamic facade on Al Bahar, commputer controlled to respond to optimal solar and light conditions, and outer skin seems to firmly root the building in its cultural context. 29 stories this building is for office use and own by Abu Dhabi Investment Council.
Source: CTBUH net bulletin.
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