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Indigenous green building concepts cccea july 2010

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  • 1. "Indigenous Green Building Concepts“ July 2010 
    http://www.cccea.in/index.htm
    Dr. N. Sai Bhaskar Reddy, CEO, GEO
    http://www.e-geo.org
  • 2. Barbil,Orissa
  • 3. Rajmahal, Jharkhand
  • 4.
  • 5.
  • 6.
  • 7.
  • 8. Kalahandi,Orissa
  • 9.
  • 10. Manikganj,Bangladesh
  • 11. Brick pieces
    Slag
    Bone
    Pottaryshards
    Quartz
    Biochar /Charcoal
  • 12. Slag
    Pottaryshards
  • 13.
  • 14.
  • 15.
  • 16.
  • 17.
  • 18.
  • 19.
  • 20. Introduction
    Since the Industrial Revolution the world has witnessed
    incalculable technological achievements
    population growth
    corresponding increases in resource use
    “Side effects” of all the activities and achievements include:
    pollution, landfills, toxic waste, global warming, resource and ozone depletion, and deforestation
    All these efforts are straining the limits of the Earth’s “carrying capacity”— its ability to provide the resources required to sustain life while retaining the capacity to regenerate and remain viable.
  • 21. SUSTAINABLE DEVELOPMENT
    Development that meets the needs of the present without compromising the ability of future generations to meet their own needs
    (The Brundtland Commission,1987)
  • 22. Indian vernacular architecture
    Is the informal, functional architecture of structures, often in rural areas, of India, built of local materials and designed to meet the needs of the local people. The builders of these structures are unschooled in formal architectural design and their work reflects the rich diversity of India's climate, locally available building materials, and the intricate variations in local social customs and craftsmanship. It has been estimated that worldwide close to 90% of all building is vernacular, meaning that it is for daily use for ordinary, local people and built by local craftsmen.
    http://en.wikipedia.org/wiki/Indian_vernacular_architecture
  • 23. Sustainability and the Construction Industry
    'Sustainability' is becoming a central concern for us all out of wider recognition that rising populations and economic development are threatening the degradation of the earth's resources.
    The construction, maintenance and use of buildings impacts substantially on our environment and is currently contributing significantly to irreversible changes in the world's climate, atmosphere and ecosystem.
    Buildings are by far the greatest producers of harmful gases such as CO2 and this 'eco-footprint' can only increase with the large population growth predicted to occur by 2050 and the industrialization of the developing world.
  • 24. How the Construction Industry can move towards Sustainable Development
    – Energy: reducing energy consumption, being more energy efficient and using renewable energy and 'alternative technology'.
    – Materials: Choosing, using, re-using and recycling materials during design, manufacture, construction and maintenance to reduce resource requirements.
    – Waste: Producing less waste and recycling more.
    – Pollution: Producing less toxicity, water, noise and spatial pollution.
  • 25. Aspects of building material adoption
    Natural
    Social
    Economical
    Political
    Cultural
    Historical
    Environmental
  • 26. Environmental Amenities
    reducing, reusing and recycling materials
  • 27. Population
    Vegetation
    Air Quality
    Climate
    Construction
    Transportation
    Watersheds
    1/4 of world’s
    wood harvest
    2/5 of world’s
    material & energy flows
    1/6 of the world’s
    freshwater withdrawals
    Building Industry- Facts
  • 28. Compiled from:Worldwatch Paper #124
  • 29. Working Principles
  • 30. Application of Sustainability
    Pre-Design
    On-Site
    Design
    Construction
    O&M
    & Standards
    & Assessment
    • Site Development
    & Layout
    • Watershed
    Management &
    Conservation
    • Site Material
    & Equipment
    • Environmentally
    Conscious
    Construction
    • Preservation of
    Features &
    Vegetation
    Practices
    Custodial Practices
    • Passive Solar
    Design
    • Materials &
    Specification
    • Indoor Air
    Quality
  • 46. Construction Industry & Energy
    • Consider the 'embodied' energy in every brick in every
    structure. Every brick has used energy at every stage in its
    production and use.
    • Energy is consumed when:
    – Extracting raw materials.
    – Producing materials (Manufacturing process).
    – Transporting materials.
    – Transporting workforce.
    – Building structures.
    – Using and powering structures.
    – Maintaining structures and demolishing structures.
  • 47. Materials
    • Around 50% of all global resources go into the construction
    industry, with a specific example being that 70% of all timber
    is used for building.
    • It is therefore very important that a sustainable approach to
    choosing and using materials is adopted.
    • The environmental and economic benefits of sustainability are
    inherently linked when considering building materials, due to
    the long-term financial advantages of recycling, using recycled
    products and sourcing heavy materials locally.
    • Life-Cycle Assessment, Eco-Labelling and Embodied Energy
    Audits all of which can help choosing materials and assess the
    balance between short-term costs and long-term
    environmental, social and financial benefits.
  • 48. How to Choose and Use Materials in a more Sustainable way
    • Considerations to take into account when re-evaluating the way in which materials
    are used in construction:
    – What reserves are left of our materials, and how can their complete
    successive depletion be prevented?
    – What are the pollution impacts of the manufacturing process involved with
    creating new materials?
    – How can existing materials be recycled (roof tiles, bricks, timber, etc.) and can
    they be designed and used in a way more conducive to re-use?
    – How much energy is consumed in the transport of materials? (try sourcing
    heavy, bulky materials locally and lightweight materials globally).
    – Can more prefabricated components be used? (reduces waste and dust on
    site).
    – How can more low maintenance materials be used in order to reduce further
    energy and resource use in the future of the building?
  • 49. Thank you