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Prevention of Velocity Effects - Erosion Corrosion and Cavitation

PROJECT: Computer Sciences Building – York University
LOCATION: Toronto, Ontario
APPLICATION: Cladding
ARCHITECT: Van Nostrand Di Castri Architects, Toronto, Ontario,
in partnership with Busby & Associates, Vancouver, B.C.
CONTRACTOR: French Brothers Roofing & Sheet Metal, North York, Ontario
METAL SUPPLIER: Peckover’s, Thornhill, Ontario



DESCRIPTION:
Green building is becoming increasingly important to architects, engineers, and building owners. This project is an excellent example of the role design and materials can play in sustainability and the environment. It has been featured in Canadian Architect, Canadian Consulting Engineer, and Architectural Record, as well as newspapers and other media, because of its creators focus on green building technology and the University’s desire to operate a building with as little environmental impact as possible.

Copper plays an important role because it is a metal that is largely manufactured from recycled materials, such as building wire and plumbing tube, and therefore, is considered to be environmentally friendly. Plus copper is also valuable and retains its value over time. For example, copper construction materials removed from a building being demolished today are probably more valuable now than when there were originally installed. As a result, the majority of copper mined throughout the ages is still in circulation today. It was partly for these reasons that copper was chosen as the cladding for the new Computer Sciences Building at York University.

Copper’s striking natural appearance and finish also played a key role in its selection. The 16-oz. copper cladding was installed using a standing seam. The pans, which were longer than normal, were roll-formed, and then installed in one continuous piece, necessitating great care in detailing to address expansion and contraction.

The building was also awarded the designation as the best “green building” by World Architecture, as part of the ARUP Awards program. It is considered by many to be the greenest structure in Canada. The project illustrates that in the pursuit of “green” ideals architects do not have to sacrifice either design goals or budgetary constraints in achieving their goals.

Since then, Van Nostrand Di Castri Architects merged with Wallman Clewes Bergman to become Architects Alliance.


Adapted from Canadian Copper, No. 147.










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