Greening Singapore s Built Environment. Alice Goh Centre of Sustainable Buildings and Construction Building and Construction Authority

Transcription

1 Greening Singapore s Built Environment Alice Goh Centre of Sustainable Buildings and Construction Building and Construction Authority

2 Presentation Outline Singapore Overview Green Building Masterplan Building Rating System (Green Mark Scheme) Best Practice (ZEB) UNEP BCA Collaboration

3 Singapore 47Km 23Km

4 Singapore Key Demographic Indicators, Population Total Population 1,2 ('000) 2, , , , , ,076.7

5 Rise in Energy Usage

6 Singapore s Energy Consumption Source: National Environment Agency

7 Mitigating Climate Change Energy efficiency in buildings. Our KEY focus

8 Singapore Green Building Roadmap at a glance Envelop Thermal Transfer Value (ETTV) CP24:1999 EE Standard for Bldg Services and equipment 80s 2005 (Energy conservation) 2005 (green buildings)

9 BCA Green Mark Scheme A green building rating system to evaluate building for its environmental impact and performance Launched in Jan 2005 a rating system for the tropics

10 BCA Green Mark Scheme Estimated Energy Savings 10% to 15% 15% to 25% > 25% > 30%

11 Green Mark Assessment Categories

12 WHERE ARE WE TODAY POST IMPLEMENTATION OF BCA GREEN BUILDING MASTERPLAN Green Green Mark Mark Buildings Buildings mil mil m² m² GFA GFA (As (As of of 1 1 Jul Jul 2011) 2011)

13 80% OF BUILDINGS GREEN BY 2030

14 Special focus on existing buildings

15 Government Lead the Way Ministry of Manpower Existing public sector buildings to achieve Green Mark Gold Plus rating by 2020 National Library New public sector buildings to achieve Green Mark Platinum rating

16 Government Lead the Way Jurong Lake District City Centre Land sales condition in key growth areas to achieve higher Green Mark ratings

17 Spurring the Private Sector New Buildings $20 million Green Mark Incentive Scheme (GMIS-NB) Fully Committed 102 Projects New Buildings Green Mark Bonus Gross Floor Area (GFA) Incentive Scheme (GMGFA) 76 applications

18 Existing Buildings Existing Buildings $100 million Green Mark Incentive Scheme (GMIS-EB) Thrust 2: Spurring the Private Sector 20 applications for Cash Grant 19 applications for Health Check

19 Alice Goh, Building & Construction Authority

20 Objectives 1) To demonstrate that an existing building is able to achieve net zero energy 2) To serve as a test bed for integration of Green Building technologies (GBTs) in existing buildings 3) To be a hub for practitioners and students in the study of energy efficiency and green buildings

21 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

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

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

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

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

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

27 Building Envelope Innovative Solutions for Roof

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

29 Inside Building Pioneering Use of Materials Mirror Duct

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

31 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

32 Inside Building Well being of People

33 Academy Before

34 Academy After

35 Academy Results 53% Energy Saving Surplus Energy

36 13,102 Visitors since Oct 2009

37 Accolades

38

39 Involvement in UNEP SBCI UNEP Secretariat Board of Directors Advocacy Committee Steering Committee BCA s Executive Director BCA s Director of Research Members Technical Advisory Committees Energy / GHG Water Materials Membership Strategic Level Project Level 39

40 Involvement in UNEP SBCI Regional Workshop 2 nd nd Regional Phase 2 in early 2011 Regional Status Report on SB Policies in SEA Common Carbon Metric & Protocol Pilot Test Membership Strategic Level Project Level 40

41 谢谢 Thank you We shape a safe, high quality, sustainable and friendly built environment.