Architecture    Office   
5 Place Ville-Marie – Building Envelope Replacement

Located in the heart of downtown Montreal, 5 Place Ville Marie is part of the Place Ville Marie block, a leading example of modern architecture designed in 1962 by the architectural firm Pei Cobb Freed & Partners of New York. The building of 17 floors of office space of approximately 50,000 m2 with a ground-floor commercial is connected to the vast network of underground and theMontreal subway.

Country

Canada

City

Montréal

Client

Société immobilière Trans-Québec

Surface Area

Superficie de la nouvelle enveloppe : 16 000 m² / Superficie du bâtiment : 50 000 m²

Year

Concept : 2003 / Plans and Specifications : 2004 / Construction : 2005

Partners

Pei Cobb Freed & Partners, New York

Photographer

Clémence Perrin

In 2005, the owner, SITQ CDP Capital Groupe immobilier, has commissioned the architects who designed the original complex and the firm Provencher Roy + Associés Architectes to conduct a feasibility study with a view to renovating or replacing the envelope of prefabricated concrete panels which are in a state of advanced deterioration. The choice for the new envelope, a curtain wall of aluminum and glass composed of pre-assembled modules 1.5 m wide and one storey high, was dictated by the decision to make the building efficient and compliant with norms regarding energy savings.

Throughout the construction period, the building remained fully operational. Inside the building, a 60 cm wide zone around the perimeter of each floor was affected by the change of windows, heating units and ventilation equipment. This highly complex operation was completed within strict, optimal budget guidelines.

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