International Civil Aviation Organization Headquarters (ICAO)

1994-1996 and 2006-2007/Montréal (Québec)/40,000 m2/431,000 ft2

Initial design of the building and LEED-EB certification

Project description

From 1994 to 1996, PAGEAU MOREL completed the building’s base design and has worked on the fit-up of for several tenants since then.
Covering an area of 40,000 m², the complex consists of two buildings. The first has a height of sixteen floors and houses the offices of the Secretary and delegations to ICAO. The second building consists of a five-storey conference centre and commercial-grade printing facility. Nearly 800 officials, delegates and support staff work there daily.
In 2006, along with Aedifica architects, the firm was mandated to oversee the building’s LEED-EB certification. In 2008, with 48 points on a scale of 70, the project achieved the first LEED-EB certification in Canada Gold Level!

Challenges and Solutions

  • Replacing some plumbing fixtures to exceed the requirements of the 1992 EPA. Reduction of water consumption over 35%.
  • Implementing a continuous commissioning process to apply in conjunction with the regular tasks of operation and maintenance.
  • Dismantling outdoor lighting that was producing too much energy and light pollution.
  • Improving energy efficiency through the LEED certification process for up to $ 100,000 in annual savings.


  • 2016 Durabilys (CaGBC) - LEED for Existing Building
  • 2009 Energia Award (AQME) - Special mention - Recommissioning (First LEED-EB certified building in Canada!)

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