Delta 3 Building Leed® Certification

2875 Laurier Blvd, Quebec City, QC, Canada

The Delta 3 is a 10-storey office building owned by La Capitale Financial Group. It was designed in compliance with the three main principles of sustainable development - environmental, economic and social performance - and with the objective of obtaining LEED®-CS Gold certification, one of the highest forms of recognition in this domain. The target for the Delta 3 building certification was to obtain as many as 41 points. The CaGBC (Canada Green Building Council) will certify the building according to the principles established by the LEED® Core and Shell Rating System. Implementation of these principles maximizes energy performance, thereby reducing the site's impact on the environment.

  • 10 floors
  • Commercial space on the ground floor
  • 140,000 sq. ft. of offices and commercial space
  • 6 floors of underground parking (90,000 sq. ft.)

An experienced, LEED®-certified design team

The Delta 3 building is the product of the collaborative efforts of a team of professionals and consultants made up of architects, civil, mechanical and electrical engineers, various other professionals and commissioning agents, all certified by the CaGBC as having demonstrated expertise in sustainable development (LEED®AP). This team planned the construction project in line with La Capitale's sustainable development goals.

Various design and sustainable development features of the Delta 3 building


Sustainable site development

The Delta construction site was selected on the basis of minimizing the impact on the environment and the local animal and plant species. In this respect, the Delta has many features :

  • A rainwater tank providing for maximum retention of water (flow and quantity) during storms as well as filtration before being returned to the city's water facilities;
  • A green roof of nearly 5,000 sq. ft. in size and the use of high-reflective roofs for all other areas to reduce heat islands;
  • Implementation of measures to reduce atmospheric pollution (alternative transportation methods, bike racks, carpooling, free interior showers for Delta building users);
  • Interior and exterior lighting to reduce light pollution of neighbouring sites.

Efficient water management

Sound water management reducing the consumption of drinkable water by 40% :

  • Use of indigenous plants not requiring supplementary watering;
  • Installation of low-flow sanitary equipment;
  • Electronic sensor faucets and dual flush toilets;
  • Collection of rainwater for use in toilets.

Energy and the atmosphereHide details

Meticulous attention to the choice of cooling and heating equipment and a detailed plan for the Delta's building mechanics have reduced its energy consumption by close to 30%. Furthermore, no CFCs or halon refrigerants are used in the building.

Materials and resources

Ninety-five percent of the construction and demolition materials were recycled and re-used. By searching out local material with high recycled content, we avoided transportation emissions and promoted the local economy.

Indoor environmental quality

In order to provide the occupants of the Delta 3 building with a high-quality, healthy environment, thereby improving employee productivity and comfort at work, a series of steps were taken, including :

  • The use of material not containing VOCs (volatile organic compounds);
  • Dust and air quality control during construction and installation work;
  • Increased ventilation and thermal comfort;
  • Natural light reaching 75% of the surface area;
  • 90% of occupied space with an exterior view.

Innovation and Design

The Delta 3 building breaks new ground by further reducing the environmental impact of the building and ensuring the high standard of performance for which it was designed :

Construction of covered parking and a potential reduction of up to 40% in drinkable water consumption attest to the exceptional performance in sustainable site development and water efficiency;

Cleaning service providers use products that are non-toxic for health and the environment;

Educational and public awareness programs on the sustainable development features that have been implemented.

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