Manitoba Hydro Downtown Office Project, Winnipeg, MB, Canada

E_Winnipeg_ManitobaHydro_CorporateHeadOffice[1] E_Winnipeg_ManitobaHydro_CorporateHeadOffice[2] E_Winnipeg_ManitobaHydro_CorporateHeadOffice[3]

/// Project: Manitoba Hydro Downtown Office Project, Winnipeg, MB, Canada

Client: Manitoba Hydro
Completion date: 09/2009
Building area: 64,800 m²
Construction cost: $188 million CAD
Design Architect: KPMB, Toronto,
Architect of Record: Smith Carter, Winnipeg
Advocate Architect: Prairie Architects Inc, Winnipeg
Structural: Crosier Kilgour, Winnipeg and
Yolles, Toronto
Mech. & Elec. Engineering: Earthtech, Calgary/Edmonton
Climate Engineering:
Transsolar Energietechnik GmbH
Thomas Auer, Alexander Knirsch, David White

Brief:
In downtown Winnipeg, this innovative office environment combines a parkade, a 3-story podium, containing offices, restaurants and retail, with two narrow 18-story office towers linked by winter gardens.
Winnipeg with 6,253 heating degree-C-days (11,255 heating degree-F-days), a winter design temperature of – 35°C and a summer design temperature of + 30°C presented the project team with unique climatic challenges.
The energy efficiency of the building is maximized by incorporating the following features:
• optimized orientation –using passive solar gains to
condition the interior space
• high ceilings –increases natural daylighting
• envelope buffer zones – winter gardens and double
façades for passive solar pre-conditioning of fresh air
• highly efficient heat recovery – reduces energy
consumption by pre-heating intake air
• displacement ventilation – continuous fresh air supply
• natural ventilation – operable windows and solar
chimney
• thermo-active slab – heating and cooling supported by
geothermal heat exchanger
The building dynamically adapts to the continuously changing climatic conditions. Occupants can control their individual environment according to their own personal preference using operable windows, lighting and shading devices.
Now under construction, this 64,800 m² building is predicted to consume 140 kWh/m²/year of primary energy for building operation, establishing it as the most energy efficient office tower in North America, 60% below a typical office tower. Beyond energy efficiency the Manitoba Hydro Corporate Head Office will provide a new level of thermal and visual comfort, with all workstations having access to the façade.

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