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Vancouver, BC AUG
18.5 °C
Average
Conditions
SEPT
15.5°C
OCT
9.1°C
AUG
39mm
SEPT
102mm
OCT
23mm
CIRS: Regenerative Sustainability
The concept behind regenerative sustainability is that we can create buildings that have a net-positive impact on their surrounding environments and the lives of their human inhabitants. While constructing CIRS has added a 5,675-m² building to the UBC campus, CIRS was designed to reduce campus energy use, carbon emissions and potable water.
Vancouver, BC AUG
18.5 °C
Average
Conditions
SEPT
15.5°C
OCT
9.1°C
AUG
39mm
SEPT
102mm
OCT
23mm
The CIRS building was designed as a living laboratory able to change over time, adapting to evolving space requirements and adopting new technologies and design strategies. The lessons learned from CIRS performance data are being applied to the continual optimization of its building systems and documented as a reference for use in other projects.
CIRS: Accelerate the Adoption of Sustainable Building Practices
Vancouver, BC AUG
18.5 °C
Average
Conditions
SEPT
15.5°C
OCT
9.1°C
AUG
39mm
SEPT
102mm
OCT
23mm
CIRS: Toward Net-Positive Performance
August - October 2013
55
0.91
54 59
1.17
58
69
3.10
66
CIRS Electricity Use (MWh) Avoided Natural Gas (MWh) Net Energy Consumption(MWh)
Energy Balance
Aug-13 Sep-13 Oct-13
Vancouver, BC AUG
18.5 °C
Average
Conditions
SEPT
15.5°C
OCT
9.1°C
AUG
39mm
SEPT
102mm
OCT
23mm
CIRS: Toward Net-Positive Performance
August - October 2013
1.4
0.2
1.2
1.5
0.2
1.3
1.7
0.6
1.1
CIRS GHG Emissions(Tonnes)
Avoided Natural Gas GHGEmissions via EOS (Tonnes)
Net GHG Emissions(Tonnes)
Carbon Balance
Aug-13 Sep-13 Oct-13
Vancouver, BC AUG
18.5 °C
Average
Conditions
SEPT
15.5°C
OCT
9.1°C
AUG
39mm
SEPT
102mm
OCT
23mm
Energy Exchange
Heat exchangers capture waste heat from the Earth and Ocean Sciences (EOS) building
A geo-exchange system captures heat from the ground in the winter and rejects heat to the ground in the summer
To meet space heating needs heat pumps upgrade heat extracted from EOS and the ground
CIRS uses a “hydronic” heating system with radiant slabs in the atrium and perimeter radiators in the rest of the building
CIRS can capture and upgrade more heat than it needs - excess heat is returned to EOS which results in natural gas savings and fewer GHG emissions
CIRS
EOS
Vancouver, BC AUG
18.5 °C
Average
Conditions
SEPT
15.5°C
OCT
9.1°C
AUG
39mm
SEPT
102mm
OCT
23mm
Energy Exchange
August - October 2013
CIRS
EOS
96
2886
31 220
680
4655
1443
163
6210
3744
August September November
Thermal Energy Exchange (kWh)
Air-handling Unit Cooling Load
Geo-exchange Heat Harvesting
Air-handling Unit Heating Load EOS Waste heat Harvesting
Geo-exchange Heat Rejection
Replace geothermal cooling with “Geo-exchange heat rejection” Replace AHU Cooling with “Air-handling Unit cooling load” Replace geothermal heating with “geo-exchange heat harvesting” Replace EOS heating with “EOS waste heat harvesting” Replace AHU heating with “Air-handling Unit heating load”
Vancouver, BC AUG
18.5 °C
Average
Conditions
SEPT
15.5°C
OCT
9.1°C
AUG
39mm
SEPT
102mm
OCT
23mm
Water Volumes
August - October 2013
680
2452
4655
Aug-13 Sep-13 Oct-13
Geo-exchange Heat Harvesting (kWh)
Vancouver, BC AUG
18.5 °C
Average
Conditions
SEPT
15.5°C
OCT
9.1°C
AUG
39mm
SEPT
102mm
OCT
23mm
Solar Energy
Photovoltaic panels on the atrium skylight and on window shades convert sunlight into electricity
Inverters transform direct current into alternating current that can be used by other building systems
Vacuum tube collectors on the south roof capture heat from the sun to heat water used in the building
PV cells
Solar Collectors
Vancouver, BC AUG
18.5 °C
Average
Conditions
SEPT
15.5°C
OCT
9.1°C
AUG
39mm
SEPT
102mm
OCT
23mm
Solar Energy
Solar Hot Water System Re-commissioning
in progress
August - October 2013
1170
PV Electricity (kWh) Solar Hot Water (kWheq)
Solar Energy Harvesting
Vancouver, BC AUG
18.5 °C
Average
Conditions
SEPT
15.5°C
OCT
9.1°C
AUG
39mm
SEPT
102mm
OCT
23mm
Lighting
All permanently occupied spaces have access to natural light and outside views
Window shades block excess glare and heat gains
Tall windows allow natural light to reach the interior of the building
During the summer the living wall shades the CIRS atrium
During the winter the vines in the living wall drop their leaves and allow natural light and heat into the building
Vancouver, BC AUG
18.5 °C
Average
Conditions
SEPT
15.5°C
OCT
9.1°C
AUG
39mm
SEPT
102mm
OCT
23mm
Lighting
August - October 2013
9,790
10,600
11,220
Aug-13 Sep-13 Oct-13
Lighting Energy
Lighting Electricity (kWh) Savings calculations in progress
Vancouver, BC AUG
18.5 °C
Average
Conditions
SEPT
15.5°C
OCT
9.1°C
AUG
39mm
SEPT
102mm
OCT
23mm
Heating, Ventilation, and Air-Conditioning System
CIRS relies on natural ventilation when outside conditions allow it
When mechanical ventilation is needed, fresh air is supplied through an under-floor distribution system with manually adjustable diffusers
The central atrium relies on the “stack” or “chimney” effect enabled by automatic vents on the curtain-wall and skylight
Vancouver, BC AUG
18.5 °C
Average
Conditions
SEPT
15.5°C
OCT
9.1°C
AUG
39mm
SEPT
102mm
OCT
23mm
Heating, Ventilation, Air-Conditioning System
August - October 2013
5,658 5,684
7,129
Aug-13 Sep-13 Oct-13
Ventilation Energy
HVAC Electricity (kWh) Savings calculations in progress
Vancouver, BC AUG
18.5 °C
Average
Conditions
SEPT
15.5°C
OCT
9.1°C
AUG
39mm
SEPT
102mm
OCT
23mm
Rainwater
Rainwater is collected on the upper roofs and atrium skylight
Captured rainwater is stored in a 90,000-litre tank
Rainwater is filtered and treated on-site to potable standards and distributed within building
Vancouver, BC AUG
18.5 °C
Average
Conditions
SEPT
15.5°C
OCT
9.1°C
AUG
39mm
SEPT
102mm
OCT
23mm
Reclaimed Water
Black-water (from toilets and urinals) and grey-water (from showers and sinks) is collected from fixtures in the building
The Solar Aquatics bio-filtration system uses naturally-occurring processes to treat the waste-water generated by CIRS and other buildings
Treated water is pumped back into CIRS (and eventually to other buildings) and used to flush toilets and landscape irrigation
Vancouver, BC AUG
18.5 °C
Average
Conditions
SEPT
15.5°C
OCT
9.1°C
AUG
39mm
SEPT
102mm
OCT
23mm
Living Systems
Storm-water is collected on the living roof and landscape areas and channeled to a drainage basin where it slowly filters into the local aquifer
Vancouver, BC AUG
18.5 °C
Average
Conditions
SEPT
15.5°C
OCT
9.1°C
AUG
39mm
SEPT
102mm
OCT
23mm
Water Systems
Rainwater harvested on north, south and
west roofs
Potable water treatment system
Rainwater collected on living roof and landscape areas
Local aquifer
Potable water loop (sinks and showers)
Reclaimed water loop (toilets, urinals and irrigation)
Solar Aquatics wastewater treatment plant
90,000L Tank
Sub-surface Landscape irrigation
Municipal potable water
supply (back up)
Municipal sewer
(back up)
Raw sewage (from other buildings)
Vancouver, BC AUG
18.5 °C
Average
Conditions
SEPT
15.5°C
OCT
9.1°C
AUG
39mm
SEPT
102mm
OCT
23mm
CIRS: Toward Net-Positive Performance
August - October 2013
316
0
316 343
0
343 369
0
369
Municipal Water Used(thousands of Litres)
Reclaimed Water (thousands ofLitres)
Net Water Use (thousands ofLitres)
Water Balance
Aug-13 Sep-13 Oct-13
Water Systems Commissioning in
progress
Vancouver, BC AUG
18.5 °C
Average
Conditions
SEPT
15.5°C
OCT
9.1°C
AUG
39mm
SEPT
102mm
OCT
23mm
CIRS: Living Laboratory
CIRS is a research centre dedicated to the integrated study of processes, strategies, policies and technologies for regenerative sustainability at the building, urban and regional scales. CIRS’ mandate is to accelerate the adoption of more sustainable practices in society by bringing the fruits of research into the public, private and civil society decision-making arenas through the implementation of partnerships. .
