CIBC Square I

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Height: Architectural 241.3 m / 792 ft
Height: Occupied 208.5 m / 684 ft
Height: To Tip 241.3 m / 792 ft
Floors Above Ground 52
Floors Below Ground 3
# of Elevators 45
Development GFA 278,709 m² / 2,999,999 ft²


Official Name CIBC Square I
Name of Complex CIBC Square
Other Names 81 Bay Street Tower, Bay Park Centre Phase 1, 45 Bay South Tower
Structure Type Building
Status Architecturally Topped Out
Country Canada
City Toronto
Street Address & Map 81 Bay Street
Postal Code M5E 1Z8
Building Function office
Structural Material composite
  • Core: Reinforced Concrete
  • Columns: Steel
  • Floor Spanning: Reinforced Concrete
Energy Label LEED Platinum Targeted
Proposed 2013
Construction Start 2016
Completion 2021
Official Website CIBC SQUARE

Companies Involved

Developer Ivanhoé Cambridge; Société immobilière Trans-Québec; Hines Canada Management Co. ULC
Design WilkinsonEyre
Architect of Record Adamson Associates
Structural Engineer
Design RJC Engineers
MEP Engineer
Design The Mitchell Partnership, Inc.
Main Contractor EllisDon Construction Services Inc.
Other Consultant
• Acoustics Cerami & Associates; SOTAWALL Limited
• Building Monitoring HMA Consulting, Inc.
• Civil Cole Engineering Group Ltd.
Façade Entuitive
• Façade Maintenance RDP
• Geotechnical WSP
• Landscape Public Work
• Life Safety LRI Engineering Inc.
• Lighting Mulvey & Banani
• Parking BA Consulting Group Ltd.
• Property Management Hines
• Security Ducibella Venter & Santore; Mulvey & Banani
• Traffic BA Consulting Group Ltd.
• Vertical Transportation Soberman Engineering Inc.
• Way Finding Entro Communications Inc.
• Wind RWDI
Material Supplier
• Elevator TK Elevator GmbH
• Façade Maintenance Equipment Tractel
• Formwork Doka GmbH
• Steel Walters Group Inc.; ArcelorMittal


Urban Policy Towards Tall Buildings Globally: The Architect’s Perspective
30 Oct 2017 – Chris Wilkinson, Wilkinson Eyre

Exploring Geometry and Form in Tall Buildings
19 Oct 2016 – Chris Wilkinson, Wilkinson Eyre

Research Papers

Exploring Geometry and Form in Tall Buildings
17 Oct 2016 – Cities to Megacities: Shaping Dense Vertical Urbanism

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