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G REEN P HOENIX

G REEN P HOENIX. Design Process. Design charrette January 2005 Integrated design process: spring and summer 2005 Community consultation committee 2005-2006 CBIP review 2006 3 rd party commissioning. Project. Goals. Replace aging building components.

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G REEN P HOENIX

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  1. GREEN PHOENIX

  2. Design Process • Design charrette January 2005 • Integrated design process: spring and summer 2005 • Community consultation committee 2005-2006 • CBIP review 2006 • 3rd party commissioning

  3. Project Goals • 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

  4. The existing building • 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

  5. Sustainable Design • 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

  6. Sustainable Design • 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

  7. Life cycle cost analysis 50 year life cycle costs: 2008 - 2057 $15,000,000 Maintenance $10,000,000 Utilities Capital Costs $5,000,000 $0 Base Case Conventional Geo/Solar Hybrid

  8. Costs

  9. Revenue Reserves Energy Efficiency Office Loan Grants (HRSDC, NRCan, Trillium,TAF) Infrastructure Ontario Loan

  10. What We Learned • 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

  11. 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

  12. www.greenphoenix.ca www.pheonixplace.com

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