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Height rank
Height rank
Three International Finance Center
Seoul
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Metrics
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Height
1
To Tip:
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).
284 m
/ 932 ft
2
Architectural:
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."
284 m
/ 932 ft
3
Occupied:
Height is measured from the level of the lowest, significant, open-air, pedestrian entrance to the highest occupied floor within the building.
247.5 m / 812 ft
1
2
3
Floors
Above Ground
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).
55
Below Ground
The number of floors below ground should include all major floors located below the ground floor level.
7
Height
284.0 m / 932 ft
Floors
55
Official Name
The current legal building name.
Three International Finance Center
Other Names
Other names the building has commonly been known as, including former names, common informal names, local names, etc.
International Finance Center Tower B
Name of Complex
A complex is a group of buildings which are designed and built as pieces of a greater development.
Type
CTBUH collects data on two major types of tall structures: 'Buildings' and 'Telecommunications / Observation Towers.' A 'Building' is a structure where at least 50% of the height is occupied by usable floor area. A 'Telecommunications / Observation Tower' is a structure where less than 50% of the structure's height is occupied by usable floor area. Only 'Buildings' are eligible for the CTBUH 'Tallest Buildings' lists.
Building
Status
Completed
Architecturally Topped Out
Structurally Topped Out
Under Construction
Proposed
On Hold
Never Completed
Vision
Competition Entry
Canceled
Proposed Renovation
Under Renovation
Renovated
Under Demolition
Demolished
Completed
Completion
2012
Country
The CTBUH follows the United Nations's definition of Country, and thus uses the lists and codes established by that organization.
City
The CTBUH follows the United Nations's definition of City, and thus uses the lists and codes established by that organization.
Address
Function
A single-function tall building is defined as one where 85% or more of its usable floor area is dedicated to a single usage. Thus a building with 90% office floor area would be said to be an "office" building, irrespective of other minor functions it may also contain.
A mixed-use tall building contains two or more functions (or uses), where each of the functions occupy a significant proportion of the tower's total space. Support areas such as car parks and mechanical plant space do not constitute mixed-use functions. Functions are denoted on CTBUH "Tallest Building" lists in descending order, e.g., "hotel/office" indicates hotel function above office function.
A mixed-use tall building contains two or more functions (or uses), where each of the functions occupy a significant proportion of the tower's total space. Support areas such as car parks and mechanical plant space do not constitute mixed-use functions. Functions are denoted on CTBUH "Tallest Building" lists in descending order, e.g., "hotel/office" indicates hotel function above office function.
office
Structural Material
Steel
Both the main vertical/lateral structural elements and the floor spanning systems are constructed from steel. Note that a building of steel construction with a floor system of concrete planks or concrete slab on top of steel beams is still considered a “steel” structure as the concrete elements are not acting as the primary structure.
Reinforced Concrete
Both the main vertical/lateral structural elements and the floor spanning systems are constructed from concrete which has been cast in place and utilizes steel reinforcement bars.
Precast Concrete
Both the main vertical/lateral structural elements and the floor spanning system are constructed from steel reinforced concrete which has been precast as individual components and assembled together on-site.
Mixed-Structure
Utilizes distinct systems (e.g. steel, concrete, timber), one on top of the other. For example, a steel/concrete indicates a steel structural system located on top of a concrete structural system, with the opposite true of concrete/steel.
Composite
A combination of materials (e.g. steel, concrete, timber) are used together in the main structural elements. Examples include buildings which utilize: steel columns with a floor system of reinforced concrete beams; a steel frame system with a concrete core; concrete-encased steel columns; concrete-filled steel tubes; etc. Where known, the CTBUH database breaks out the materials used in a composite building’s core, columns, and floor spanning separately.
Both the main vertical/lateral structural elements and the floor spanning systems are constructed from steel. Note that a building of steel construction with a floor system of concrete planks or concrete slab on top of steel beams is still considered a “steel” structure as the concrete elements are not acting as the primary structure.
Reinforced Concrete
Both the main vertical/lateral structural elements and the floor spanning systems are constructed from concrete which has been cast in place and utilizes steel reinforcement bars.
Precast Concrete
Both the main vertical/lateral structural elements and the floor spanning system are constructed from steel reinforced concrete which has been precast as individual components and assembled together on-site.
Mixed-Structure
Utilizes distinct systems (e.g. steel, concrete, timber), one on top of the other. For example, a steel/concrete indicates a steel structural system located on top of a concrete structural system, with the opposite true of concrete/steel.
Composite
A combination of materials (e.g. steel, concrete, timber) are used together in the main structural elements. Examples include buildings which utilize: steel columns with a floor system of reinforced concrete beams; a steel frame system with a concrete core; concrete-encased steel columns; concrete-filled steel tubes; etc. Where known, the CTBUH database breaks out the materials used in a composite building’s core, columns, and floor spanning separately.
composite
Core
Reinforced Concrete
Columns
Steel
Floor Spanning
Steel
Official Website
Height
Architectural
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."
284.0 m / 932 ft
To Tip
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).
284.0 m / 932 ft
Occupied
Height is measured from the level of the lowest, significant, open-air, pedestrian entrance to the highest occupied floor within the building.
247.5 m / 812 ft
Helipad
Height, measured from the level of the lowest, significant, open-air, pedestrian entrance, to the building's helipad.
284.0 m / 932 ft
Floors Above Ground
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).
55
Floors Below Ground
The number of floors below ground should include all major floors located below the ground floor level.
7
# of Parking Spaces
Number of Parking Spaces refers to the total number of car parking spaces contained within a particular building.
2100
# of Elevators
Number of Elevators refers to the total number of elevator cars (not shafts) contained within a particular building (including public, private and freight elevators).
37
Top Elevator Speed
Top Elevator Speed refers to the top speed capable of being achieved by an elevator within a particular building, measured in meters per second.
7 m/s
Tower GFA
Tower GFA refers to the total gross floor area within the tower footprint, not including adjoining podiums, connected buildings or other towers within the development.
130,940 m² / 1,409,426 ft²
Rankings
-
By function
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-
By material
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#
251
Tallest in the World
#
153
Tallest in
Asia
#
10
Tallest in
South Korea
#
3
Tallest in
Seoul
#
100
Tallest Office Building in the World
#
66
Tallest Office Building in
Asia
#
3
Tallest Office Building in
South Korea
#
2
Tallest Office Building in
Seoul
#
141
Tallest Composite Building in the World
#
117
Tallest Composite Building in
Asia
#
5
Tallest Composite Building in
South Korea
#
3
Tallest Composite Building in
Seoul
Construction Schedule
2004
Proposed
2007
Construction Start
2012
Completed
Architect
Architect of Record
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.
Structural Engineer
Design
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.
MEP Engineer
Design
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.
Material Supplier
Material Supplier refers to organizations which supplied significant systems/materials for a building project (e.g. elevator suppliers, facade suppliers, etc).
Material Supplier refers to organizations which supplied significant systems/materials for a building project (e.g. elevator suppliers, facade suppliers, etc).
Sealants
You must be a CTBUH Member to view this resource.
Owner
AIG Global Real Estate
Developer
AIG Korean Real Estate Development YH
Architect
Design
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.
Arquitectonica
Architect of Record
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.
Structural Engineer
Design
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.
MEP Engineer
Design
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.
Cosentini Associates; Woowon M&E
Contractor
Main Contractor
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.
GS Engineering & Construction
Other Consultant
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).
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).
Energy Concept
Vidaris, Inc.
LEED
Vidaris, Inc.
Material Supplier
Material Supplier refers to organizations which supplied significant systems/materials for a building project (e.g. elevator suppliers, facade suppliers, etc).
Material Supplier refers to organizations which supplied significant systems/materials for a building project (e.g. elevator suppliers, facade suppliers, etc).
Sealants
CTBUH Initiatives
CTBUH Releases Year in Review: Tall Trends of 2012
31 December 2012 - CTBUH Journal
Three International Finance Center Tour Report
11 October 2011 - Event
Videos
17 October 2016 | Seoul
The Roots of Tall Buildings: Connecting the City
This presentation investigated the integration of tall tower, mixed-use developments and how they connect with the city and the public when they meet the ground....
Research
17 October 2016
The Roots of Tall Buildings: Connecting the City
Peter Brannan, Arquitectonica
This paper investigates the integration of tall tower, mixed-use developments and how they connect with the city and the public when they meet the ground....
About Three International Finance Center
The International Finance Centre, located at the center of Yeouido Island, serves as a major pedestrian link between the subway station, riverside, and Yeouido Plaza Park. The inspiration for the IFC Seoul came from Asian landscape drawings that often depict very steep, jagged mountains. The four vertical towers were designed to resemble monumental crystalline outcroppings, chiseled to create prismatic forms that accentuate the interplay of light and shadow on the glass façade.
Expansive floor-to-ceiling glass and nearly 10-foot ceilings immerse the office spaces in natural light and provide magnificent, uninterrupted views across Yeouido Park and the Han River to the mountains beyond. Bay depths of more than 42 feet (12.8 meters) from elevator core to the perimeter wall ensure efficient use of space. To improve the experience on subterranean levels, the design includes large skylights to admit natural light, articulating the glass entry pavilions leading into the IFC Seoul Mall.
Research
17 October 2016
The Roots of Tall Buildings: Connecting the City
This paper investigates the integration of tall tower, mixed-use developments and how they connect with the city and the public when they meet the ground....
11 June 2014
In this installment of Tall Buildings in Numbers, CTBUH considers how helipads are used on skyscrapers, and which are the highest in the world. The...
31 December 2012
Year in Review: Tall Trends of 2012
For the first time in six years the number of tall buildings completed annually around the world declined as the effects of the global financial...
CTBUH Initiatives
31 December 2012
CTBUH Releases Year in Review: Tall Trends of 2012
For the first time in six years the number of tall buildings completed annually around the world declined as the effects of the global financial crisis became evident.
11 October 2011
Three International Finance Center Tour Report
Three International Finance Center was one of an incredible eight 250 meter-plus projects that are under construction in Seoul and the site for a technical tour.
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