Green Buildings and Eco-friendlyssffd.ppt

Green Buildings and Eco-friendly
Construction Materials
Sustainability Concept

Contents Of study
Green Building Movement in India
 What is Green Building?
 Benefits of Green Building
 Silent features of Green Building
 Eco Friendly Materials
 Eco Friendly Techniques
 Case Studies
A residence in Bangalore
CII-Sohrabji Godrej Business Center
Hyderabad

Green Building In India
 Construction Industry is growing
 The platinum LEED (Leadership in Energy and
Environmental Design (LEED-INDIA) rating has
motivated
 Sustainable site development
 Water savings
 Energy efficiency
 Materials selection and
 Indoor environmental quality
 Construction Industry in India to go green way
 IGBC-Headed by Stack holders, Architects,
Industries,Material Manufacturers etc. to promote
Green building in India

What is a Green Building
Eco friendly or ecological construction is
building a structure that is beneficial or non
harmful and is resource efficient.
Use of key resources like Energy, Materials,
Water and Land more efficiently.
Sustainability is the practice of being able to
continue the harvesting, extractions etc. with
minimal long –term efforts on environment and
natural resources.

Benefits of Green Building
 Environmental Benefits
 Enhance and protect ecosystem and biodiversity
 Improve air and water Quality
 Reduce solid waste
 Conserve natural resources
 Economic Benefits
 Reduce Operating Costs
 Enhance asset value and profit
 Improve employee productivity satisfaction
 Optimize life cycle economic performance.

Benefits of Green Building
 Health and community benefits
 Improve Air, Thermal and Acoustic environment
 Enhance occupant comfort and health
 Minimize strain on local infrastructure
 Contribute to overall quality of life.

Salient Features of Green Building
 Minimal disturbance to landscapes and site
conditions
 Use of recycled and environmental friendly building
materials
 Use of non-toxic and recyclable materials
 Efficient use of water and water recycling
 Use of energy efficient and eco friendly equipments
 Use of renewable energy
 Effective control and building management systems.

Green Materials and Techniques
Eco Friendly
Construction
Materials Techniques

Resource Efficiency:
Materials with content which can be reused or recycled.
E.g Aggregate,Recycled aluminum,paper,steel etc.
Natural,Plentiful or renewable:Materials harvested from
sustainably manageable resources.e.g Bamboo.
Bamboo Bamboo Flooring
Green materials and Techniques

Manufacturing Process: Products or materials manufactured
with resource efficient process including reducing energy
consumption, minimizing waste and reducing green house
gases.
Fly ash, Ferro cement, precast slabs etc.
Fly ash block Ferro cement

Locally Available: To reduce the energy consumed
during transportation .e.g. Earthen blocks
Earthen Blocks
Salvaged refurnished or remanufactured:This includes
saving a material from disposal and renovating, repair
or dumping the same.e.g wood

Durable: Any material used in the construction should be
durable i.e. long lasting.e,g Straw or cork construction,PVC
Pipes.
Straw construction PVC Pipes

 Indoor Air Quality:
 Low or Non-toxic: Materials, which emits low or
no toxic irritants .e.g. Low VOC Paints.
Low toxic paints Paper Crete Block
 Moisture resistant: These are the materials, which
resist the moisture or inhibit the growth of biological
contimants in the buildings .e.g. Paper Crete blocks,
 Healthfully maintained: Low toxic
cleaning materials.

Promoting healthy air quality:Techinques or materials
which promote healthy air quality by enhancing air quality
west facing windows, Aledo layer on roof, roof with glazed
tiles.

Energy efficient: Material components and systems that
help reduce energy consumption in the building e.g
Bamboo, Natural finishes, Rat trap method for construction
of walls, Solar panels,pre cast slabs, skylights in the roof.
Rat Trap method

Water Conservation: Rain water harvesting, Recycle
waste water.
Rain water Harvesting
Affordability:Affordability can be considered when
building product life cycle costs are comparable to
conventional materials

 Bricks from Coal Washery Rejects
 Coir Cement Board
 Fiber fly ash cement boards
 Fibrous gypsum plaster boards
 Recycled tiles
 High performance glazing glass
 Eco-friendly furniture
 HFC based high efficiency chillers
 Building blocks from mine waste
 Fly ash cellular concrete
 Non erodable mud plaster
 Jute fibre polyester
 Recast walling roofing components
 Prefab brick panel system
 Insulating bricks from rice husk
Green materials

Green building –case study of a residence
 Residence with site 40ftx60ft,with total built up area
of 2200sq.ft.
 Use of eco friendly materials as Fly ash blocks, soil,
bamboo. Earthen blocks, stone was used for exterior
walls.

 Green your garden: Plant lot of plants, avoid
chemical fertilizers.Vermicompost made from
organic waste is used.
Vermicompost Vegetation in the garden

Conserve water: Use water saving fittings like pop up
filters, waterless toilets, Rain water harvesting methods like –
 Roof top rainwater harvesting
 Roof top rainwater channelizes to recharge ground water
 Percolating water in garden area.
 Drip or Sprinkle irrigation method is used.
Rain water harvesting Pop-Up-Filter

 Upgrade to greener appliances: Use star rated
appliances. Solar heaters, solar panels for lighting and
solar cookers are part of the residence.
Solar Panels Solar Cooker

 Temperature control: Use of ceiling fans than AC’s.
Use of Rat Tap method of construction of walls, Most of
living area is not exposed to western or southern area.
Large windows with sun controlled glasses.
Rat Trap method

 Energy efficient Lighting: Use of compact
Fluorescent bulbs. Use of light colors for interiors,
roof claded with clay tiles and painted white. Sky
lighting in the roof.
Sky lighting on the roof CFC Bulbs

Green building –Case study of CII-Sohrabji
Godrej Green Business Centre (GBC)
 CII-Sohrabji Godrej Green Business Centre (GBC)
in Hyderabad with area 20,000sq.ft.
 Designed by Vadodara-based architect Mr.Karan
Grover .
 Incorporates modern technology and ancient Indian
architectural methods.
 Is the first platinum rated building outside US.

CII- Sohrabji Godrej Green Business Centre (GBC)

Sustainable site:
 Site responds a rocky site. The arrangement of spaces
and varying levels of plinth are designed to respect
distinctive boulders .
 Roof Garden is provided on seminar hall.
 Rain water harvesting methods can be adopted.

Water Conservation:
 Rain water harvesting methods are adopted.
 Waste water is purified by “Root Zone Treatment”
and reused.
 Waterless urinals are used.

Energy Features:
 The building is built with fly ash based aerated
blocks.
Fly ash areated blocks
 Double glazed windows and facades.

Godrej Green Business Centre (GBC
 Roof garden is provided on the seminar hall as
insulating property and to cut down the load on the
air-conditioning system
Roof on seminar hall

 Two 45-foot wind towers and screen walls, pre-cooled
air (by 10%) are supplied to the air-conditioning
system.
Wind tower Traditional jali

 Photovoltaic panels are used for lightning.
 Building is designed with a circular design.
 90% of building has outside view.
 Dimmers are fitted to control illumination levels and
switch off lights when not required.

Material Resource:
 3 R’s used are Recycling of materials, Reduction of
wastage and Reuse of materials .
 recycled and eco-friendly materials such as broken
mosaic tiles, wood, glass, recycled paper, recycled
aluminum, steel, fly ash brick were used.
 AAC Blocks were used for walls.
 Bamboo flooring was done
 Reused concrete is used for roads
 Waste construction materials used to fill undulated
areas.
 Paint cans, barrels were reused.

Godrej Green Business Centre (GBC
Reused Chip Tiles

Indoor Air Quality:
 Smoking is not allowed in the building.
 CO2 monitoring systems are fitted inside the AC’s.
 The features allow 50% reduction in overall energy.
45% reduction in lighting energy.90% reduction in
water use

Cost analysis of Green building
 Initial cost of the Green building is higher than
conventional one.
 Incremental cost will appear small when eco principles
are applied.
 The incremental cost should be seen with reference to
life cycle costs.
 The payback period of incremental costs of some Green
buildings is as shown:

Cost analysis of Green building
Building Built in
area(sq.ft)
Rating
achieved
%
Increase
in cost
Payback(
Yrs)
CII-
Godrej
GBC
20,000 Platinum
(56
points)
20% 7 yrs
ITC Green
Centre,
Gurgaon
1.70000 Platinum
(52
points)
15% 6 yrs

Cost Analysis of Green building
Tangible Benefits of Green Building:
 It consumes 30 -40% less water than a conventional
building.
 Energy consumption less by 30-50%
 Enhance productivity of the employees by 10-15%.
 CII Godrej centre boasts about having 88% saving of
lightning energy as compared to the electrically lit
building.
Intangible Benefits of Green buildings:
 Green corporate image
 Health and safety of occupants
 Enhance occupant comfort

Conclusion
Green Building is not only a wise decision but a
necessary choice.

Green Buildings and Eco-friendlyssffd.ppt

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