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Alice Goh, Building & Construction Authority

ZEB@BCA Academy is a test-bedding project aiming to achieve net zero energy in existing buildings and serve as a hub for practitioners and students in the study of energy efficiency and green buildings.

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Alice Goh, Building & Construction Authority

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  1. Alice Goh, Building & Construction Authority

  2. Objectives • To demonstrate that an existing building is able to achieve net zero energy • To serve as a test-bed for integration of Green Building technologies (GBTs) in existing buildings • To be a hub for practitioners and students in the study of energy efficiency and green buildings

  3. Project Team Owner - Building &Construction Authority (BCA) Project Manager - Beca Carter Hollings & Ferner (S.E. Asia) Pte Ltd Architects - DP Architects Pte Ltd M&E Engineer - Beca Carter Hollings & Ferner (S.E. Asia) Pte Ltd C&S Engineer - Beca Carter Hollings & Ferner (S.E. Asia) Pte Ltd Quantity Surveyor- Davis Langdon & Seah Main Contractor - ACP Construction Pte Ltd PV integrator - Grenzone Pte Ltd NUS Principal Investigators: Assoc. Prof Lee Siew Eang (Lead) - Total Building Performance Assoc. Prof Wong Nyuk Hien - Natural Ventilation & Greenery Assoc. Prof Stephen Wittkopf - Photovoltaic System & Facade

  4. Guiding Principles Step 1 - Passive Systems Step 2 - Active Systems • Efficient Lighting • T5 Fluorescent lights • LED task lighting • State-of-the art lighting control systems • Efficient Envelope • Type of window glazing • Type of wall/facade • Minimise Solar Heat Gain • Roof garden & vertical • greenery • Sunshades • Efficient ACMV • Personalised Ventilation • Underfloor air distribution system • Single coil twin fans • Solar chimneys • Capitalize Daylighting • Mirror ducts • Light pipes • Light shelves • Active Control • State-of-the-art building • management system

  5. Building Envelope Innovative Solutions for Facade Passive Design - Elements with multiple functions

  6. Building Envelope Innovative Solutions for Facade Passive Design – Overcoming the weather Photovoltaics on shading devices Vertical greenery Light Shelves

  7. Building Envelope Unusual Aspects and Aesthetic Values 1. Vertical Greenery System

  8. Building Envelope Unusual Aspects and Aesthetic Values 2. PV Story Facade

  9. Building Envelope Innovative Solutions for Roof

  10. Building Envelope Pioneering Use of Materials Solar Assisted Stack Ventilation Solar chimney Roof Metal ventilation duct Metal vertical ventilation duct

  11. Inside Building Pioneering Use of Materials Mirror Duct

  12. Inside Building Experimental office Personalised ventilation Light pipes Light shelves Sensors, T5 lights, task lights Displacement Ventilation

  13. Inside Building Innovation in Technology Single Coil Twin Fan Potential Benefits • Estimated 7 - 8% capital cost premium • Predicted overall energy savings of about 12% • Improved indoor air quality and comfort • Attractive payback period < 3 years

  14. Inside Building Well-being of People

  15. ZEB@BCA Academy Before

  16. ZEB@BCA Academy After

  17. ZEB@BCA Academy Results 53% Energy Saving Surplus Energy

  18. Sharing ZEB Experiences 13,102 Visitors since Oct 2009

  19. Accolades

  20. Involvement in UNEP-SBCI UNEP Secretariat BCA’s Executive Director Board of Directors BCA’s Director of Research Advocacy Committee Steering Committee Members Technical Advisory Committees Water Materials Energy / GHG Membership Strategic Level Project Level

  21. Involvement in UNEP-SBCI Phase 2 in early 2011 2nd Regional Workshop Regional Status Report on SB Policies in SEA Common Carbon Metric & Protocol Pilot Test Membership Strategic Level Project Level

  22. 谢谢 Thank youAlice_goh@bca.gov.sg We shape asafe,high quality,sustainableandfriendlybuilt environment.

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