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8/27/2015
1
© Confederation of Indian IndustryLa Residency, IGBC Platinum
Orchid W oods, IGBC Gold
Oval Nest, IGBC Platinum
Quiescent Heights, IGBC Gold
Wave Gardens, Mohali
Godrej Serenity
Case Study : IGBC Certified Green ApartmentsNew Delhi, 13 July 2013
© Confederation of Indian Industry
®
Green Homes Statistics
Till 2011 2012 Growth Rate2013
(as on today)
No. of Green Homes
400 633 58 % 757
Foot Print (in Million sq.ft)
391 567 52 % 681
As on 31 December 2012
No. of Green Homes increased > 60 % in 2012
SFS Grande, Trivandrum Ashvita, HyderabadTata Ariana, Bhubaneshwar
8/27/2015
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© Confederation of Indian Industry
®
Key Concepts driving Green Homes
�Green Apartment Vs Conventional
� Better Envelope design
�Wall, Roof, Glass, WWR, Shading devices
� More Lung spaces
� Reduced dependency on Potable water
�Water Balance Maintained
� Window design
�More exposure to North
�Allows max daylight & ventilation
Quiescent Heights, IGBC Gold
Quiescent Heights, IGBC Gold
‘A Green home creates delight when entered, serenity and health when occupied and regret
when departed’– Amory Lovins in the book ‘Natural Capitalism’
What is a Green Home?
8/27/2015
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© Confederation of Indian Industry
®
Saifee Burhani Upliftment Project Adarsh Palm
Park SereneOsian Chrolophyll Water Edge
45 NIRVANA VIHAR KUL KALYANINAGAR” at Pune
Wave Gardens, Mohali
Few Ideas from
IGBC Certified Green
Apartments
© Confederation of Indian Industry
®®
© Confederation of Indian Industry
®
#1. Increased Green Cover
Courtesy: Marvel Selva Ridge Estate, Pune
Pallacia- High End Residential Apartments, Jaipur
8/27/2015
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®
© Confederation of Indian Industry
#2. Heat Island Effect – Roof
China Mosaic TileRoof Vegetation
© Confederation of Indian Industry
®®
© Confederation of Indian Industry
®
Tall Structures- Greenery on podiums
Courtesy: Orchid Woods, Mumbai
Taller the Apartment lesser the Roof Area
Vertical Expansion Horizontal Expansion
8/27/2015
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3. Walking Track over Roof
TVH’s Taus Apartments, Navallur
© Confederation of Indian Industry
®®
© Confederation of Indian Industry
®
Roof gardens – Jogging spaces
•Use of Roof Garden – Jogging tracks
•Energy Savings more than 12 %
•Captured rainwater for landscaping
•VRV System using R410A
•Organic Waste Converter on-site Courtesy: Parry Centralis, Chennai
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®
#4. Heat Island Effect: Non Roof
La Residency, IGBC Platinum Quiescent Heights, IGBC Gold
© Confederation of Indian Industry
#5. Water Efficiency: Best practices
� Low Flow Fixtures
� 8-10 Liters per minute
� Taps fitted with Aerators
� Low Flush fixtures
� 3/6 liters per flush – dual flush
Aerators
Small in Size, Big in Savings
Aerators
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© Confederation of Indian Industry
#6. On-site STP
La Residency, IGBC PlatinumQuiescent Heights
© Confederation of Indian Industry
®®
© Confederation of Indian Industry
®
#7. Storm water Management
Rainwater Channels
Courtesy: Park Floor II, Faridabad
Park Serene, Gurgaon
Storm Drain
8/27/2015
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© Confederation of Indian Industry
#8. Native Plant Species
La Residency, IGBC Platinum
© Confederation of Indian Industry
®
Drought Tolerant Species
Courtesy: Malaxmi, Hyderabad
•Bamboo Grass
•Golden Bamboo
•Umbrella Grass
•Mango
•Gauva
•Bird of paradise
•Date Palm
•Red Fountain Grass
•Flowering red ginger
•Desert Rose
8/27/2015
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© Confederation of Indian Industry
®
Drought Tolerant, adaptive species
Courtesy: Oval Nest, Pune
© Confederation of Indian Industry
#9. Energy Efficient Green Apartment
� Orientation
� Choice of placing a window
� North / East
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© Confederation of Indian Industry
Envelope Measures
� Envelope
� WWR
� Lower the better
� Wall assembly
� U value < 2.5 W/sq.m K
� Roof assembly
� U value < 1.2 W/sq.m K
� Glass
� Low U – 5.7 W/sq.m K
� SHGC – 0.5 & High VLT
� Shading Devices
IGBC Green Homes bettering the standards NBC, ECBC / ASHRAE
© Confederation of Indian Industry
#10.Harnessing Day Light
Orchid W oods, IGBC Gold
Oval Nest, IGBC Platinum Quiescent Heights, IGBC Gold
8/27/2015
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© Confederation of Indian Industry
#11. Concept of Sun pipe
� Best solution dark spaces in home
Sun Pipes used to lit basement,
Avani Residence
Viswa Syamalam, IGBC Platinum
© Confederation of Indian Industry
Sun PipesView from Exterior View from Interior
8/27/2015
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®
#12. Use of CFLs & T5
T12
T8
T5
T5 uses 12 % less energy than T8 tube
T5 uses 45 % less energy than T12 tube
Replacement of incandescent lamps with high efficiency lamps / CFLs
© Confederation of Indian Industry
LED Lighting of the Future
� 100% LED in a Green Home
Courtesy: IGBC Platinum - Viswa Syamalam, Chennai
8/27/2015
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© Confederation of Indian Industry
#13. Energy Star Appliances
®
#14. Cross-ventilation
8/27/2015
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®
� Examples
� Aluminum frame
� Cement
� Flyash Bricks
� Glass
� Portland Porzolona Cement (PCC)
� Steel
� Tiles
� Gypsum Ceiling
� MDF
# 15. Materials with Recycled Content
®
#16. Reuse of Materials
BCIL T – ZED Homes, Bangalore
8/27/2015
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© Confederation of Indian Industry
Courtesy: BCIL Collective, IGBC Rated Project
Reused Materials
© Confederation of Indian Industry
#17. Use of Salvaged Materials
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®
#18. Rapidly Renewable Materials
� Examples
�Bamboo products
�MDF (eucalyptus, cotton
straw)
�Composite wood (bagasse
based)
�Woolen Carpet
®
#19. Use of Low VOC paints
� Use low Volatile Organic Compound
(VOC)
�Paints
�Polishing
�Adhesives
�Sealants
� For all interior applications
8/27/2015
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#20. Prefab Materials
Karnataka State Police Housing Corporation (KSPHC) f lats for Fire and Emergency Services Personnel, Bangalore
� Sandwiched EPS based
Wall & Roof Panels
� High albedo SRI paint
� Prefabricated green
materials- Zero
construction waste
� Door- Eco wood
� Low VOC paints
� 100 % Daylighting
� Energy Efficient Appliances
© Confederation of Indian Industry
Sum Up
� Tangible Benefits
� Energy Savings : 40 – 50 %
� Water Savings : 20 – 30 %
� Intangible Benefits
� Better Health of people
� Quality of Life
� Saving of Natural resources
� Good for individual, society &
the Community as a whole