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Height is measured from the level of the lowest, significant, open-air, pedestrian entrance to the highest point of the building, irrespective of material or function of the highest element (i.e., including antennae, flagpoles, signage and other functional-technical equipment).
Height is measured from the level of the lowest, significant, open-air, pedestrian entrance to the architectural top of the building, including spires, but not including antennae, signage, flag poles or other functional-technical equipment. This measurement is the most widely utilized and is employed to define the Council on Tall Buildings and Urban Habitat (CTBUH) rankings of the "World's Tallest Buildings."
Height is measured from the level of the lowest, significant, open-air, pedestrian entrance to the highest occupied floor within the building.
The number of floors above ground should include the ground floor level and be the number of main floors above ground, including any significant mezzanine floors and major mechanical plant floors. Mechanical mezzanines should not be included if they have a significantly smaller floor area than the major floors below. Similarly, mechanical penthouses or plant rooms protruding above the general roof area should not be counted. Note: CTBUH floor counts may differ from published accounts, as it is common in some regions of the world for certain floor levels not to be included (e.g., the level 4, 14, 24, etc. in Hong Kong).
The number of floors below ground should include all major floors located below the ground floor level.
Q1 Tower
Q1
Building
Completed
2005
residential
concrete
322.5 m / 1,058 ft
78
2
527
730
11
9 m/s
107,510 m² / 1,157,228 ft²
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Construction Start
Completed
The Design Engineer is usually involved in the front end design, typically taking the leadership role in the Schematic Design and Design Development, and then a monitoring role through the CD and CA phases.
Other Consultant refers to other organizations which provided significant consultation services for a building project (e.g. wind consultants, environmental consultants, fire and life safety consultants, etc).
These are firms that consult on the design of a building's façade. May often be referred to as "Cladding," "Envelope," "Exterior Wall," or "Curtain Wall" Consultant, however, for consistency CTBUH uses the term "Façade Consultant" exclusively.
Material Supplier refers to organizations which supplied significant systems/materials for a building project (e.g. elevator suppliers, facade suppliers, etc).
Other Consultant refers to other organizations which provided significant consultation services for a building project (e.g. wind consultants, environmental consultants, fire and life safety consultants, etc).
Material Supplier refers to organizations which supplied significant systems/materials for a building project (e.g. elevator suppliers, facade suppliers, etc).
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Usually involved in the front end design, with a "typical" condition being that of a leadership role through either Schematic Design or Design Development, and then a monitoring role through the CD and CA phases.
Usually takes on the balance of the architectural effort not executed by the "Design Architect," typically responsible for the construction documents, conforming to local codes, etc. May often be referred to as "Executive," "Associate," or "Local" Architect, however, for consistency CTBUH uses the term "Architect of Record" exclusively.
The Design Engineer is usually involved in the front end design, typically taking the leadership role in the Schematic Design and Design Development, and then a monitoring role through the CD and CA phases.
The main contractor is the supervisory contractor of all construction work on a project, management of sub-contractors and vendors, etc. May be referred to as "Construction Manager," however, for consistency CTBUH uses the term "Main Contractor" exclusively.
Other Consultant refers to other organizations which provided significant consultation services for a building project (e.g. wind consultants, environmental consultants, fire and life safety consultants, etc).
These are firms that consult on the design of a building's façade. May often be referred to as "Cladding," "Envelope," "Exterior Wall," or "Curtain Wall" Consultant, however, for consistency CTBUH uses the term "Façade Consultant" exclusively.
Material Supplier refers to organizations which supplied significant systems/materials for a building project (e.g. elevator suppliers, facade suppliers, etc).
Other Consultant refers to other organizations which provided significant consultation services for a building project (e.g. wind consultants, environmental consultants, fire and life safety consultants, etc).
Material Supplier refers to organizations which supplied significant systems/materials for a building project (e.g. elevator suppliers, facade suppliers, etc).
“Living Tall” Asks: “What Will Make Tall Buildings More Livable?"
16 November 2017 - Event
CTBUH Supports High-Rise Conference at Samara State University
4 September 2017 - Event
31 January 2019
Interactive Study on Tall Buildings in Numbers: 2018 Year in Review
CTBUH Research
In 2018, 143 buildings of 200 meters’ height or greater were completed. This is a slight decrease from 2017’s record-breaking total of 147, and it...
04 March 2019
As Plans for Melbourne’s One Queensbridge Tower Become Cloudy, Developer Ponders Next Steps
James Packer-backed casino giant Crown Resorts has been forced to rethink plans for a site in Melbourne’s Southbank, where it hoped to build Australia’s tallest...
31 January 2019
Interactive Study on Tall Buildings in Numbers: 2018 Year in Review
In 2018, 143 buildings of 200 meters’ height or greater were completed. This is a slight decrease from 2017’s record-breaking total of 147, and it...
30 August 2013
Debating Tall: Do Trees Belong on Skyscrapers?
As skyscrapers adorned with greenery, both rendered and real, appear more frequently in design publications, the question must be asked, “Can substantial trees at height...
13 April 2011
Tall and Urban: An Analysis of Global Population and Tall Buildings
Tall buildings are spreading across the globe at an ever-increasing rate. This study demonstrates the relationship between population and tall buildings across those countries and...
16 November 2017
The third installment of the CTBUH / Chicago Architecture Foundation’s (CAF) joint skyscraper lecture series brought together a diverse group of tall building experts.
7 September 2017
22 speakers discussed the state of high-rise design & construction at this conference, a partner event between the CTBUH and Samara State Technical University.
13 April 2011
Tall buildings are spreading across the globe at an ever-increasing rate. This study demonstrates the relationship between population and tall buildings across those countries and presents information on the average height and age of each country’s tallest buildings.
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