Parkdale United Church Foundation

GREEN PHOENIX

Parkdale United Church Foundation

• Design charrette January 2005• Integrated design process: spring

and summer 2005• Community consultation

committee 2005-2006• CBIP review 2006• 3rd party commissioning

Design Process

Parkdale United Church Foundation

• Replace aging building components.

• Reduce utility costs to keep rents affordable.

• Improve air quality and temperatures.

• Reduce environmental footprint.

• Provide 21 new housing units and new amenity spaces.

• Architectural landmark

GoalsProject

Parkdale United Church Foundation

• 11 storey high-rise, 5,116 s.m• 137 apartments, most 225 s.f. bachelor• Heating: electric baseboards• Domestic hot water: 600K BTU – 4 power-

vented boilers• Exhaust air: kitchen/bathroom fans• Make-up air: 400K BTU gas rooftop unit• Windows: aluminum sliders• Envelope: exposed slab edges & walls of

plaster, 1 1/2” foam board insulation, and 6” bricks

The existing building

Parkdale United Church Foundation

• Fan-coil units replace electric baseboard heating & window AC units

• Geothermal heating & cooling plant for 85% of peak loads

• Solar thermal array (40 panels) to pre-heat city water

• High-efficiency boilers for backup and peak loads

• Rooftop ERV for central exhaust from apartments and make-up air to corridors

Sustainable Design

Parkdale United Church Foundation

• New building envelope: 4” Roxsul insulation and field-applied stucco

• Windows: fibreglass frames, low-E argon thermal units

• Sub-metering of hydro to monitor use• Energy-efficient lighting and appliances• Building automation system• Extended commissioning by 3rd party• Off-site performance monitoring

Sustainable Design

Parkdale United Church Foundation

Parkdale United Church Foundation

Parkdale United Church Foundation

$0

$5,000,000

$10,000,000

$15,000,000

50 year life cycle costs: 2008 - 2057

Base Case Conventional Geo/Solar Hybrid

Maintenance

Utilities

Capital Costs

Life cycle cost analysis

Parkdale United Church Foundation

Mechanical: geothermal wells, heat pumps, distribution, fan coils& controls, boilers, ERV

$2,280,000

Solar wall $135,000

EIFS and windows $800,000

Building automation, sub-metering, commissioning

$135,000

Soft costs (design, contract admin., legal, organizational)

$250,000

TOTAL $3,600,000

Costs

Parkdale United Church Foundation

20%35%

17%0%

28%

Infrastructure Ontario Loan

Energy Efficiency Office Loan

Reserves

Grants (HRSDC, NRCan, Trillium,TAF)

Revenue

Parkdale United Church Foundation

• Benefits of the integrated design process

• Consultants with specific expertise, capacity, references

• 3rd party review of the design

• Engagement of all stakeholders: tenants, board members, broader community & agencies

• Contractors with experience working in occupied buildings, and the capacity to manage the complexities of a retrofit

• Commissioning process

What We Learned

Parkdale United Church Foundation

Thanks & Acknowledgements• City of Toronto: Affordable Housing Office, Social

Housing Unit, Energy Efficiency Office, Better Buildings Partnership, Toronto Atmospheric Fund

• Infrastructure Ontario• Social Housing Services Corporation• Canada Mortgage & Housing Corporation• Trillium Foundation• United Church of Canada• MMAH

Parkdale United Church Foundation

www.greenphoenix.ca

www.pheonixplace.com