Tower 46

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Height: Architectural 152.7 m / 501 ft
Height: Occupied 136.1 m / 446 ft
Height: To Tip 152.7 m / 501 ft
Floors Above Ground 34
Floors Below Ground 3
# of Elevators 20
Top Elevator Speed 5.08 m/s
Tower GFA 78,596 m² / 846,000 ft²
Development GFA 78,596 m² / 846,000 ft²
# of Parking Spaces 45


Official Name Tower 46
Other Names Extell Diamond Tower, International Gem Tower
Structure Type Building
Status Completed
Country United States
City New York City
Street Address & Map 44 West 47th Street
Postal Code 10036
Building Function office
Structural Material steel
Proposed 2008
Construction Start 2008
Completion 2013
Official Website International Gem Tower

Companies Involved

Owner/Developer Extell Development Company
Design Skidmore, Owings & Merrill LLP
Structural Engineer
Design DeSimone Consulting Engineers
MEP Engineer
Design Edwards & Zuck Engineers
Project Manager Tishman Construction
Main Contractor Tishman Construction
Other Consultant
• Civil Philip Habib & Associates
Façade Permasteelisa Group
• Geotechnical Langan Engineering
• Security G4S
• Vertical Transportation Van Deusen & Associates
Material Supplier
• Concrete Difama Concrete, Inc.
• Steel Banker Steel Company

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