Green buildings & smart cities

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Green Buildings presentation at Disha on 22nd January 2014 in Pune by Anagha Paranjape-Purohit of Sustainability Initiatives

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Green buildings & smart cities

  1. 1. Green Buildings & Sustainable Cities Ar Anagha Paranjape-Purohit Partner, VK:e environmental Trustee, Sustainability Initiatives DISHA @ Pune 21-22 January 2014
  2. 2. Do we really need Green Buildings in India? World per capita Carbon dioxide Emissions
  3. 3. YES! We do! World Carbon dioxide Emissions
  4. 4. Exploring the ‘Green’ • What are ‘Green Buildings’? • What is Green Architecture? • What is Green Design?
  5. 5. Green Design Concepts • The Focus of Green Building Design is to provide: Response to Climate Thermal Comfort Visual Comfort Energy Efficiency Resource Optimization Reduce, Recycle Reuse, Renew
  6. 6. Climate Zones of India COLD & SUNNY WARM & HUMID COLD & CLOUDY HOT & DRY COMPOSITE MODERATE
  7. 7. Climate Analysis Annual Temperatures & Patterns Annual Radiation & Solar Exposure Annual Rainfall & Patterns Windflows , Speeds and Trends Daylight Availability
  8. 8. RESPONDING TO CLIMATE IN DESIGN
  9. 9. Hot & Dry Small Openings Facing Inwards Low heights
  10. 10. Warm & Humid Cloistered Passages, Outward Facing Deep Overhangs Protected Openings
  11. 11. Moderate Facing Inwards Courtyard Ventilation Cloistered Passages Mutual Shading
  12. 12. Composite Facing Inwards Shaded Openings Small Openings Spaces Planned for Seasonal Extremes
  13. 13. Cold & Sunny Openings facing the Sun Thermal Mass Restricting Air Movement
  14. 14. Cold & Cloudy Protection from Dampness Restrict Air Movement Openings Facing the Sun
  15. 15. Building Design Building Envelope Building Materials & Finishes Energy Efficiency Resource Optimization
  16. 16. SQS, PUNE Submitted for GOLD LEED NC Certification
  17. 17. SQS Software, Hinjewadi Pune Proposed Louver Design, prior to Energy Efficiency calculations Months January February March April May June July August September October November December Proposed Louver Design, to provide better shading and thus lower Energy Consumption % of windows in % of windows in shade for changed shade for proposed louvers louvers 71.00% 90.50% 82.83% 94.17% 94.67% 98.00% 100.00% 100.00% 100.00% 100.00% 100.00% 100.00% 100.00% 100.00% 100.00% 100.00% 100.00% 99.83% 87.67% 95.83% 76.50% 92.17% 68.83% 89.17% • High Performance Glazing • AAC Blocks
  18. 18. SQS Software, Hinjewadi Pune Particulars Design case (MWh) Total Energy Consumption 384.74 Base case (MWh) 494.84 % Improvement 22.25 22% Energy Savings achieved by : 33% 11% 1% 3% 51% Distribution of Electricity Use in SQS Buildings, Pune Internal Lighting Energy Equipment Energy Air Conditioning Miscellaneous loads External Lighting Energy Energy Efficiency Building Envelope, including Orientation and Shading Efficient HVAC System – water cooled chillers with screw compressors Auto controls for Lighting & Efficient Lighting Fixtures
  19. 19. Thermax, Pune • Critical façade Insolation studies conducted • SE Façade was found to be critical • The Envelope Design of the building is tested for Energy Efficiency
  20. 20. Thermax, Pune
  21. 21. Kumar Cerebrum IT Park, Pune
  22. 22. Solar Analysis for 21 October
  23. 23. Grundfos Pumps, Chennai
  24. 24. • Optimized Daylight through measures such as: • Light Shelves • Sky light • Shallow Building Form Grundfos Pumps, Chennai
  25. 25. 11x11 Sky Villas, Chembur Optimized Daylight Design to comply with the prescribed Daylight Factor Avoid Glare situations Ensure Uniform Daylight Distribution
  26. 26. Testing Alternative Window Designs
  27. 27. Acres School, Chembur
  28. 28. SMART CITIES
  29. 29. Themes for Sustainability in Cities • Optimized Landuse Allocation • Open Space to Built Space Ratio • Conservation of Environmental Features like Rivers and Hills • Green Buildings & Green Neighbourhoods
  30. 30. Pune DP 2007-2027
  31. 31. Sabarmati Riverfront Development, Ahmedabad
  32. 32. Themes for Sustainability in Cities • Alternative & Sustainable Transport Options, including walkability • Affordable Housing Options • Equitable Distribution of Resources • Water & Energy Efficiency, share of Recycling and Renewables
  33. 33. BRTS, Ahmedabad BRTS, Pune
  34. 34. VK:e environmental Our Shades of Green
  35. 35. Sustainability Initiatives Action Research to guide professionals in implementing Sustainability measures Research and knowledgebase development on Sustainability Handholding role for policy makers to ensure sustainability decisions Developing publications and documentation to outreach on Sustainability Advocacy for Sustainability with government authorities
  36. 36. Thank you + 91 98220 13405 anaghap@gmail.com aparanjape@vke-environmental.com

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