Manitoba Hydro’s New Corporate Headquarters...Lux • 1% = 100 Lux Climatic Responsive Design...
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Meet Business Needs Energy Efficient/Sustainable Signature Architecture Maximum Benefit to Downtown Winnipeg Cost Effective Vision: Manitoba Hydro’s New Corporate Headquarters
Transcript of Manitoba Hydro’s New Corporate Headquarters...Lux • 1% = 100 Lux Climatic Responsive Design...
Meet Business Needs
Energy Efficient/Sustainable
Signature Architecture
Maximum Benefit to Downtown Winnipeg
Cost Effective
Vision:
Manitoba Hydro’s New Corporate
Headquarters
Manitoba Hydro Downtown Office BuildingLEED Scorecard
Requirements for Achieving a Green, Power Smart Building
Vision
Performance Goals
Integrated Planning
Integrated Design Process
CLIENT
DESIGN ARCHITECT
ARCHITECT OF RECORD
CLIMATE ENGINEER
ADVOCATE ARCHITECT
CONSTRUCTION MANAGER
STRUCTURAL ENGINEER
MECHANICAL & ELECTRICAL ENGINEERS
LANDSCAPE DESIGN
OFFICE INTERIOR DESIGN
GEOTECHNICAL
LIFE SAFETY
ENVELOPE
ELEVATOR
ACOUSTICS
SPECIALTY LIGHTING
QUANTITY SURVEYOR
CIVIL / TRANSPORTATION
ENERGY ADVISOR
Manitoba Hydro
Kuwabara Payne McKenna Blumberg Architects
Smith Carter Architects and Engineers
Trans Solar Energietechnik
Prairie Architects
PCL Constructors
Halcrow Yolles / Crosier Kilgour
Earth Tech Canada
Hilderman Thomas Frank Cram / Phillips Farevaag Smallenberg
Marshall Cummings/IBI Group / Number Ten / LM Architectural Group
UMA Engineering / Dyregrov Consultants
Leber Rubes
Brook Van Dalen / Crosier Kilgour
Soberman Engineering
Aercoustics
Pivotal Lighting
Hanscomb
Wardrop / N D Lea
Natural Resources Canada
Integrated Design Process Team
Design Model
Energy & Sustainability
Model
Cost Model
Quality of Workspace
Thermal comfort
Supportive Workplace Productivity Drivers
Source : The Costs and Benefits of Green Buildings – A Report to California’s Sustainable Building Task Force, October, 2003
Supportive Workplace Productivity Drivers
Source : The Costs and Benefits of Green Buildings – A Report to California’s Sustainable Building Task Force, October, 2003
• individual ventilation control• air quality• indirect/high quality artificial light• daylight
Studies support that an individual has a higher level of comfort when:
Winnipeg Climate Conditions
Climatic Responsive Design Weather Analysis
Source : Transsolar Klimaengineering
70 K !
Climatic Responsive Design Weather Analysis
Source : Transsolar Klimaengineering
Climatic Responsive Design Weather Analysis
Source : Transsolar Klimaengineering
Humidity levels
Climatic Responsive Design Weather Analysis
Source : Transsolar Klimaengineering
How to utilize these climatic factors to achieve comfort and energy efficiency (the goal of a 60 % energy reduction (MNECB)?
Different approaches for a low energy building design: closed box vs. breathing buildings
CLIMATIC RESPONSIVE DESIGNIndigenous Architecture
Thermal Active SlabsThermal Active Slab SystemConventional System
Displacement Ventilation
Displacement Ventilation Air Pattern
Displacement Ventilation Air Pattern
Green Roof
> 6%
5.5%
0%
0.5%
1.0%
1.5%
2.0%
2.5%
3.0%
3.5%
4.0%
4.5%
5.0%
Daylight factor office area, scale 0 - 6%, floor to floor height 4.0 m
Daylight Factor
Source : Transsolar Klimaengineering
• Floor to Floor = 4.0m• Outside Insolation = 10,000
Lux• 1% = 100 Lux
Climatic Responsive Design
Climatic Responsive Design Buffer Zones
Atria Double Facade
Quality of Buffer Zones
Solar chimneyprovides naturalexhaust
North atrium (used as a cafeteria(18 - 28 °C)
3 story)
South atrium (6used as a semi-conditionedcafeteria / meeting space(10 - 35 °C)
story)
Double facadeused as a buffer zoneprovides natural ventilation(0 - 40 °C)
Atrium
Climate and energy concept: summerSix story tower module
naturally-driven exhaust
via north atria
through solar chimney
fresh air supply through facade
solar shade and high openings remove solar gains
chilled water fall for cooling anddehumidification
supply air 17 - 21°C
slab cooling
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20°C - 30°C
20°C - 30°C
16°C - 40°C
per module fresh air supply unit deactivated
per floor air handling units for fresh air distribution
highly efficient heat recovery from exhaust to fresh air
Climate and energy concept: wintersix story tower module
exhaust air into north atria and solar chimney
central exhaust fan & heat revovery coil
exhaust air for parkadeheat and ventilation
4°C
18°C - 23°C
solar chimney
solar preheating of supply air
water dispersion and water fall for humidification
auxillary heating for extreme winter conditions
10°C
slab heating
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18°C - 23°C
10°C - 20°C
supply air 18 - 22°C
per module fresh air supply unit
per floor air handling units for fresh air distribution
facade closed in winter
Source : Transsolar Klimaengineering
office space21 - 24 °C
exhaust air to north atrium/solar chimney
fresh air supply via operable window
facade cavity(12 - 25 °C)
Climate and energy concept: shoulder seasons
Energy Usage
• All Canadian Buildings 572 kWh/meter squared
• New Buildings in Canada 479 kWh/meter squared
• MNECB 258 kWh/meter squared
• CBIP 194 kWh/meter squared
• Downtown Office Project 91 kWh/meter squared
Climatic Responsive Design
Portage Avenue
Graham Avenue
Thank you
Any questions?
