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Aimia/Altoria Tower

Client Information

  • Name: Corporation Immobilière Kevric

Architect Information

  • Name: DCYSA Architecture & Design

Project Information

  • Location: Montreal, QC
  • Delivery Method: Guaranteed Maximum Price
  • Sector: Buildings
  • Status: Completed
  • Completion Date: April 2015
  • Size: 230 000 sq.ft.
  • Leed: Gold and Silver certified


3rd place at the international ASHRAE Technology Awards 2015


The Aimia Altoria project is one of the most modern and energy-efficient buildings in Montreal. It is located on the outskirts of Victoria Square in the heart of the Quartier International de Montréal.

Composed of a 10-storey commercial basilaire supporting a residential tower of 24 floors, the mixed-use building was constructed over 5 floors of underground parking. The tower is directly connected to Square Victoria metro station and Montreal underground city. The property offers several exterior gardens, private terraces for the office floors, and an outdoor area with swimming pool on the first residential level (11th floor).

Designed to the highest technological standards, the building was awarded LEED Gold certification for its commercial part, and LEED Silver for its residential areas. It features several design particularities, including a geothermal system, green roofs, a heat recovery system, an ultra performant ventilation system and a lighting management system for the office floors.
The work was carried out at the intersection of busy streets (De La Gauchetière, Beaver-Hall and Viger), on a restricted site, surrounded by adjacent buildings. Mass and detailed rock excavations were undertaken, as well as the creation of an underground gallery to provide access to the Montreal metro. The structure is made of reinforced concrete and curtain walls. Excavation of the rock was carried out by blasting, and it required the stabilization of the soil by piles, timbering, tie rods and netting. The rock face was polished to eliminate irregularities. Excavation work also included support and stabilization of a historic façade to integrate it into the project.

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