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Global
Height rank
Height rank
4 World Trade Center
New York City
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Metrics
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Height
297.7 m / 977 ft
Floors
65
Official Name
The current legal building name.
4 World Trade Center
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, 2014
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
Postal Code
10006
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
Energy Label
LEED Gold
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."
297.7 m / 977 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).
297.7 m / 977 ft
Occupied
Height is measured from the level of the lowest, significant, open-air, pedestrian entrance to the highest occupied floor within the building.
279.9 m / 918 ft
Observatory
218.0 m / 715 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).
65
Floors Below Ground
The number of floors below ground should include all major floors located below the ground floor level.
4
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.
232,258 m² / 2,500,004 ft²
Rankings
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By function
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By material
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#
176
Tallest in the World
#
28
Tallest in
North America
#
26
Tallest in
United States
#
12
Tallest in
New York City
#
69
Tallest Office Building in the World
#
18
Tallest Office Building in
North America
#
17
Tallest Office Building in
United States
#
8
Tallest Office Building in
New York City
#
100
Tallest Composite Building in the World
#
10
Tallest Composite Building in
North America
#
10
Tallest Composite Building in
United States
#
4
Tallest Composite Building in
New York City
Construction Schedule
2006
Proposed
2008
Construction Start
2014
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.
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).
Façade
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.
Lighting
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).
Formwork
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Owner/Developer
Silverstein Properties
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.
Maki and Associates
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.
Project Manager
The CTBUH lists a project manager when a specific firm has been commissioned to oversee this aspect of a tall building’s design/construction. When the project management efforts are handled by the developer, main contract, or architect, this field will be omitted.
The CTBUH lists a project manager when a specific firm has been commissioned to oversee this aspect of a tall building’s design/construction. When the project management efforts are handled by the developer, main contract, or architect, this field will be omitted.
Mace Limited
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.
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.
Tishman 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).
Building Monitoring
Vidaris, Inc.
Cost
Mace Cost Consultancy Limited
Energy Concept
Vidaris, Inc.
Façade
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.
Vidaris, Inc.; Heintges & Associates
LEED
S.D. Keppler & Associates, LLC
Lighting
Roofing
Vidaris, Inc.
Security
Ducibella Venter & Santore
Wind
Boundary Layer Wind Tunnel Laboratory
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).
Cladding
Benson Industries, Inc.
Fire Proofing
Grace Construction Products
Formwork
CTBUH Initiatives
World Trade Center: 3, 4 and 7 Building and Construction Tours
28 October 2015 - Event
World Trade Center: Infrastructure / Underground Tour
28 October 2015 - Event
Videos
26 October 2015 | New York City
Developing Tall in the New York Context
Gary Barnett, Extell Development Corporation; Ric Clark, Brookfield Properties; Joseph Moinian, Moinian Group; and Larry Silverstein, Silverstein Properties, discuss development in New York City and...
Research
31 December 2014
Year in Review: Tall Trends of 2014
Daniel Safarik, Antony Wood, Marty Carver & Marshall Gerometta, CTBUH
An All-Time Record 97 Buildings of 200 Meters or Higher Completed in 2014 and 2014 showed further shifts towards Asia, and also surprising developments in...
About 4 World Trade Center
Four World Trade Center was the first tall building to open on the 16-acre World Trade Center rebuilding site. The glass-enclosed tower allows for a play of light along its surface, such that the substantial mass of the building sometimes seems to disappear into the sky. For those fortunate enough to disembark on the outdoor terrace, occupants can also inhabit the sky, an unusual feature for a Manhattan office building.
The building is as transparent to the memorial site across the street as it is deeply interwoven with the elaborate network of tunnels connecting the World Trade Center to New York’s subway system. Visitors arriving to the building lobby from below are greeted by 14-meter floor-to-ceiling windows that preview the green oasis of the memorial park. The building’s commitment to sustainability includes 100 percent renewable energy sourcing, and rainwater collection for cooling tower replenishment.
Research
31 December 2014
Year in Review: Tall Trends of 2014
An All-Time Record 97 Buildings of 200 Meters or Higher Completed in 2014 and 2014 showed further shifts towards Asia, and also surprising developments in...
01 August 2011
Revitalizing Lower Manhattan: World Trade Center in Context
Almost 10 years after the destruction of the Twin Towers, the reconstruction of the World Trade Center site is in full swing. One World Trade...
CTBUH Initiatives
28 October 2015
World Trade Center: 3, 4 and 7 Building and Construction Tours
CTBUH 2015 delegates toured the World Trade Center: 3, 4 and 7, all of which are in the middle of construction.
28 October 2015
World Trade Center: Infrastructure / Underground Tour
CTBUH 2015 delegates toured the infrastructure and underground of the World Trade Center complex which will house a variety of civic programs.
28 October 2015
World Trade Center: Urban Domain Tour
CTBUH 2015 delegates toured 30 Park Place which will house the Four Seasons Hotel and Private Residences Downtown New York.
31 December 2014
CTBUH Releases Year in Review: Tall Trends of 2014
An All-Time Record 97 Buildings of 200 Meters or Higher Completed in 2014 and 2014 showed further shifts towards Asia, and also surprising developments in building functions and structural materials.
21 May 2014
CTBUH Visits 1WTC, 4WTC and 7WTC
Just six months after CTBUH confirmed One World Trade Center's height, Executive Director Antony Wood and Events Manager Jessica Rinkel toured the building.
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