Building sustainability green building

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Green Building, Building Sustainability, Renewable Energy,
Green Construction, LEED, LEED Rating, Green Building Case Study

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Building sustainability green building

  1. 1. Building Sustainability and Renewable Energy Masoud Fayeq Masoudfayeq@gmail.com
  2. 2. Overview  Why Sustainable / Green Building  10 Key Sustainable Building Categories  Sustainable / Green Building Standards  Case Study, Abercorn Common  Other Examples in Different Countries  Q/A Session
  3. 3. Why not?Why not? Why Sustainable/Green Buildings? Sustainable buildings cost less to heat, cool and light. That means lower operating costs for the owner. Sustainable buildings have shown improved comfort and performance for the occupants. That translates into higher sales prices and rents for the builder and developer. Sustainable buildings produce less pollution because they use less energy. They make wisely use natural resources in their construction by lowering the consumption of building materials. Most importantly, they are healthier spaces to live and work.
  4. 4. 10 Sustainable Building Categories  Indoor Environment Quality  Energy Efficiency  Water Efficiency  Stormwater Management  Building Materials  Transportation  Waste Management  Urban Ecology  Innovation  Construction and Building Management
  5. 5. Sustainable/Green Building Standards • USGBC - LEED (US,) Leadership in Energy and Environmental Design Silver, Gold, and Platinum standards • HKBEAM (Hong Kong) Hong Kong Building Environmental Assessment Method • BREEAM (UK) Building Research Establishment Environmental Assessment Method CASBEE (Japan) Comprehensive Assessment System for Building Environmental Efficiency Green Star (Australia) Buildings rated on 6 star scale, with 6 being highest
  6. 6. LEED Certificates
  7. 7. Case Study (example) Abercorn Common Savannah, Georgia UNITED STATES Abercorn 1980 Abercorn Now
  8. 8. Abercorn Common Shopping Center, Savannah GA. – A Case Study Vegetated Roof & White Roof Membrane to Reflect/Absorb Heat and Keep Center Building Cooler Pervious pavement diverts storm water Concrete paving reflects heat, keeping the center and parking lot cooler Sustainable Features
  9. 9. Pervious Pavement (Porous Concrete) • Almost 1 acre of pervious pavement, which allows water to infiltrate the ground (runoff coefficient of .3 vs .95 for traditional concrete) • Decreases the need for municipal stormwater treatment • Helps remove sediment and pollutants • Decreases site runoff by 25%
  10. 10. The Cistern System The Cistern harvests rainwater from rooftops, 5 million gallons annually
  11. 11. Other Features • Low-flow toilets & Faucets and waterless urinals – reduce water use • Tighter envelope, better glazing & high efficiency HVAC & lighting to reduce energy consumption
  12. 12. Other Features (Cont’d) Located ¼ mile from 3 bus stops, preferred parking for hybrid vehicles; bike racks & changing facilities – encourages use of carpooling & alternate transportation
  13. 13. Indoor Environmental Quality • Low-emitting paints, sealants and adhesives used – Zero or low volatile organic compounds (VOCs) • No smoking (including restaurants) – before GA became non- smoking • Increased ventilation – 30% over ASHRAE 62
  14. 14. Waste Reduction • Stringent construction waste management practices – prevented 85% of construction waste from landfills • Over 6,000 tons were recycled or reused
  15. 15. Material and Resources • Over 70% of materials manufactured within a 500 mile radius • Over 20% recycled materials by cost
  16. 16. Summary is:  30% more energy efficient than code (ASHRAE 90.1)  55% more water efficient (than 1992 Energy Policy Act)  Healthier indoor air – less toxins and more fresh air  Has 30% Less stormwater runoff  Uses no potable water for irrigation
  17. 17. Sustainable / Green Buildings Other Examples in different Countries!
  18. 18. Cal/EPA Building Headquarters • LEED – EB PLATINUM (2004) • ~56 kWh of energy from solar PV • Low flow fixtures • Building design maximizes daylight penetration • Recycled building materials used were cheaper than new materials. • Estimated operational savings of $1.00/sq ft/yr. UNITED STATES
  19. 19. EPA HQ, California
  20. 20. UCSB Bren School of Environmental Science & Management • LEED PLATINUM Certified • Strict environmental protection (located near ocean) • Reclaimed water used for gray-water operations • 40 kW solar PV • Natural ventilation UNITED STATES
  21. 21. UCSB Bren School of Environmental Science & Management, California
  22. 22. Manitoba Hydro Building  LEED GOLD Certified  Energy reduction of 60%  Geothermal heat system  Green roof  Natural air ventilated  Daylighting maximization CANADA
  23. 23. Manitoba Hydro Building, Manitoba
  24. 24. Masdar City  Entire city designed to be powered by renewable energies, primarily solar PV  Zero carbon, Zero waste ecology goals  6 square miles, strategically planned live/work space  Currently 60 MW of solar power planned, increasing to 130 MW  20 MW of wind farms outside of city  Planned hydrogen power plant  80% of water will be recycled and reused ARAB EMIRATES
  25. 25. Masdar City, Abu Dhabi
  26. 26. Namba Parks  Built IN former baseball stadium  Reduced construction materials and waste  Master planned community, live/work area  One of the most Green areas of Osaka, Japan  Ecological features include  Waterfalls  Trees  Lawns  ponds JAPAN
  27. 27. NAMBA PARKS, OSAKA
  28. 28. BMW Welt  Solar rooftop, produces 824 kWp minimum  Steel panels on rooftop heat building via solar gain  Saves over 30% in energy costs  Natural ventilation system GERMANY
  29. 29. BMW Welt, Munich

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