Case Studies

Leaside Innovation Centre

Innovation Centre Mass Timber Office Acoustics Noise

Location: Toronto, Ontario, Canada
Developer: Charles Goldsmith
Architects: studioCANOO
Construction: Gillam Group

Leaside Innovation Centre (LIC), is a 77,000-square-foot, six-story office building being built on the northeast corner of Wicksteed Avenue and Clarke Street in Toronto’s Leaside neighbourhood. The ground floor will have retail spaces to service the building occupants and the local neighbourhood. The buildings wedge-shape was designed to evoke classic “Flatiron” commercial buildings of the 19th century. “Flatiron” derives from its resemblance to a retro cast-iron clothes iron.

In every other way the Centre is designed for contemporary state-of-art environmental sustainability, and tenant wellbeing. To that end the building utilizes cross-laminated timber (CLT) floor supports, as well as glulam beams and columns, because these materials store embodied carbon in the finished product. It also weighs 25 per cent less than a comparable concrete structure, which reduces the load on the foundation and, in turn, means reduced concrete use in the foundations and a smaller carbon footprint during construction. The Centre is among the first commercial buildings in Toronto to take advantage of a change in the Ontario Building Code permitting the use of heavy timber structures up to six stories tall. Currently the Code now permits wood frame construction up to 14 stories.

Prefabricated Modular, Mass Timber Components

cross-laminated timber (CLT) Office-Space-noise control

The use of prefabricated modular, mass timber components which are factory-built and then easily assembled on-site significantly helps reduce the construction schedule while also delivering cost savings over a traditional site-built project.

The building’s sustainable electrical grid and air distribution system will be entirely out of sight, tucked away underfloor. Mechanical ventilation air supply will be treated with Ultraviolet Germicidal Irradiation (UVGI) and MERV 13 filters to improve indoor air quality, and minimize the amount of airborne contaminants, germs, bacteria and viruses entering the building

The Leaside Innovation Centre is also clad in prefabricated thin brick panels with only a 40% glass-to-wall ratio which allows for much more insulation thereby reducing the size of the mechanical systems and reducing energy costs.

Cross Laminated Timber (CLT) Acoustics, Noise Control

HGC Engineering is providing comprehensive noise, vibration and acoustical consulting for the project. The cross laminated timber (CLT) can present unique acoustical challenges with respect to airborne and structure-borne indirect sound transmission (flanking) across architectural junctions and through demising assemblies between tenant spaces which we have been successfully working to address.

Acoustical Engineering Services Include:

  • Building Acoustical Review
  • Building Services Noise and Vibration control (HVAC Systems, Pumps,Generators, etc)
  • Acoustical Privacy Between Tenant Suites
  • Design Review of Structural cross-laminated timber (CLT) Junctions
  • Design Review of Architectural Assemblies and Junctions



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