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One Bloor Street East
Toronto
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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).
257.3 m
/ 844 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."
257.3 m
/ 844 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.
240 m / 787 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).
78
Below Ground
The number of floors below ground should include all major floors located below the ground floor level.
6
1
2
3
Height
257.3 m / 844 ft
Floors
78
Official Name
The current legal building name.
One Bloor Street East
Other Names
Other names the building has commonly been known as, including former names, common informal names, local names, etc.
One Bloor
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
2017
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.
residential
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.
concrete
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."
257.3 m / 844 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).
257.3 m / 844 ft
Occupied
Height is measured from the level of the lowest, significant, open-air, pedestrian entrance to the highest occupied floor within the building.
240.0 m / 787 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).
78
Floors Below Ground
The number of floors below ground should include all major floors located below the ground floor level.
6
# of Apartments
Number of Apartments refers to the total number of residential units (including both rental units and condominiums) contained within a particular building.
789
# of Parking Spaces
Number of Parking Spaces refers to the total number of car parking spaces contained within a particular building.
531
# 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).
6
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.
8 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.
78,301 m² / 842,825 ft²
Rankings
-
By function
You must be a CTBUH Member to view this resource.
-
By material
You must be a CTBUH Member to view this resource.
#
71
Tallest in
North America
#
6
Tallest in
Canada
#
6
Tallest in
Toronto
#
82
Tallest Residential Building in the World
#
13
Tallest Residential Building in
North America
#
2
Tallest Residential Building in
Canada
#
2
Tallest Residential Building in
Toronto
#
195
Tallest Concrete Building in the World
#
26
Tallest Concrete Building in
North America
#
3
Tallest Concrete Building in
Canada
#
3
Tallest Concrete Building in
Toronto
Construction Schedule
2008
Proposed
2011
Construction Start
2017
Completed
Owner/Developer
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.
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).
Code
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).
Elevator
You must be a CTBUH Member to view this resource.
Owner/Developer
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.
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.
Jablonsky, Ast and Partners
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.
Able Engineering Inc.
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.
Tucker HiRise 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).
Acoustics
HGC Engineering
Civil
MMM Group
Code
Environmental
CD Sonter
Geotechnical
Isherwood Associates
Interiors
Cecconi Simone; Andrea Kantelberg
Land Surveyor
KRCMAR Surveyors Ltd.
Landscape
Janet Rosenberg + Studio
Life Safety
ProBel
Marketing
Ketchum; L.A. Inc; Baker Real Estate Incorporated
Sustainability
Fluent Engineering Inc.
Traffic
BA Group
Vertical Transportation
KJA Consultants 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).
Cladding
JORDAHL; Guangzhou Pudinuo Building Material Co.; Jangho Group Co., Ltd.
Elevator
CTBUH Initiatives
CTBUH Study Examines Tallest Buildings with Dampers
22 August 2018 - CTBUH Research
Canada Event Considers “The Story of Marketing Tall Buildings”
20 June 2017 - Event
Videos
18 October 2016 | Toronto
One Yonge: A Case Study for Complete Vertical Communities
Tuesday October 18, 2016. Shenzhen, China. David Pontarini of Hariri Pontarini Architects, presents at the 2016 China Conference Session 7a: Urban Environmental Issues. The City...
Research
17 October 2016
One Yonge: A Case Study for Complete Vertical Communities
David Pontarini, Hariri Pontarini Architects
The City of Toronto is experiencing rapid growth, with the second largest concentration of high-rise buildings under construction in North America, surpassing Chicago and coming...
Research
17 October 2016
One Yonge: A Case Study for Complete Vertical Communities
The City of Toronto is experiencing rapid growth, with the second largest concentration of high-rise buildings under construction in North America, surpassing Chicago and coming...
01 December 2012
Twenty-six buildings taller than 150 meters have been built in Canada since 2005 and it added four buildings taller than 200 meters in 2012, the...
CTBUH Initiatives
22 August 2018
CTBUH Study Examines Tallest Buildings with Dampers
CTBUH has released a Tall Buildings in Numbers (TBIN) interactive data study on the world's tallest buildings with dampers.
20 June 2017
Canada Event Considers “The Story of Marketing Tall Buildings”
Building up momentum for the CTBUH 2017 Conference in Australia, the CTBUH Canada Chapter held its most recent event at the University of Toronto Faculty Club.
30 October 2015
CTBUH 2015 delegates toured Toronto under the lead of CTBUH Canada. The highly successful tour led to many discussion on the lessons learned.
1 December 2012
CTBUH Research: Canada Grows Taller
Twenty-six buildings taller than 150 meters have been built in Canada since 2005 and it added four buildings taller than 200 meters in 2012, the most ever in a single year.
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