This document summarizes green building techniques and certification. It defines a green building as one that uses less resources and generates less waste while providing healthier spaces. Green buildings are needed because conventional buildings are a major source of greenhouse gas emissions and pollution. While green buildings may initially cost more, the savings on energy and water pay back the additional costs within 5 years. The document then outlines various green building techniques like green roofs, rainwater harvesting, solar and wind energy, biogas, and discusses practical applications. It also describes the LEED and GRIHA certification processes and scoring systems in India.

1. BY

2. WHAT IS GREEN BUILDING ?
• A green building is one
which uses less water,
optimises energy efficiency,
conserves natural
resources, generates less
waste and provides
healthier spaces for
occupants, as compared to
a conventional building.

3. NEED OF GREEN BUILDINGS
• Buildings are responsible for 40%
of worldwide energy flow and
material use, conventional
buildings have been identified as
the largest source of green-
house gas emissions, even more
than that of the transport and
industry sector.
• They affect air quality , health
and contribute to climate
change. During their life cycle,
conventional buildings harm the
environment in many ways.

4. MYTHS & REALITIES
• The biggest reality about Green Buildings is
that they cost more to build and the biggest
myth about green buildings is that they are
economically unsustainable.
• Green Buildings may cost slightly more but
the additional investment can usually be
recovered in less than five years by power
and water savings.

5. BENEFITS OF GREEN BUILDING
• Reduction in
energy and water
cost
• Improve air and
water quality
• Enhance and
protect
biodiversity and
ecosystems
• Improve overall
quality of life

6. GREEN BUILDING TECHNIQUES
• Roof completely covered
with vegetation
Benefits:
• Reduce heating
• Noise insulation
• Create healthy
atmosphere
• Durability of the roof
increased
Intensive roofs
Extensive roofs

7. WATER MANAGEMENT
• Rain water management
(toilet , washing , ground
water improvement)
• Waste water management
(for gardening)
Ground water improvement Gardening
Water used for toilet & washing

8. USE OF GREEN ENERGY
Solar energy:
•water heating
•solar power
•cooking
•water treatment
A schematic of a solar water heating
Solar water disinfection in Indonesia
Nellis Solar Power Plant at Nellis Air Force Base in the USA. These
panels track the sun in one axis
solar power

9. Wind energy:
•Wind energy is the kinetic energy of the air in motion.
Biogas energy:
•covering household or institutional energy demand and
generates savings or income
•replacing chemical fertilizer and improving soil fertility
by application of bio-slurry
•reducing ground and surface water pollution
•reducing greenhouse gas emissions

10. Sketch of biodigester replacing a septic tank
• Wastewater as well as kitchen and garden waste enter
the digester and are broken down to biogas and fertile
water
Advantages:
• No more emptying of septic tank. Reuse of all water in the

11. Practical application of wind & solar energy
• The Noyyal Life Centre, which houses Siruthuli's office in
Coimbatore, is a green building that tapped wind and solar
energy. All its energy needs for running of its office of about 3.5
kw is supplied by a 2.5 kw wind turbine and 1 kw solar panel.

12. Practical application of Biogas energy @ KSRCT
Existing bio-gas plant:
• The production of biogas in this plant is mainly from cow dung & used as a fuel for cooking in k.s.r ladies hostel
• The amount which can be saved per month is about Rs.42000; apart from this the bio fuel produced in this plant
can run a 15 KVA generator
• The main aim of construction of this bio gas plant is to collect the digestible food waste as well as the human
excreta from the two ladies hostel consisting of 1300 students. Thus the waste collected from these ladies
hostel is dumped into the plant and bio gas is produced.
Bio gas plant under construction:

13. GREEN BUILDING CERTIFICATION
Green certifications in india:
There are two certifications currently available in
India. They are:
•LEED INDIA along with other IGBC rating systems like
IGBC Green Homes, IGBC Green Factory Building and
IGBC Green Townships. These are all administered by
the Indian Green Building Council based in Hyderabad.
(http://www.igbc.in)
•Green Rating for Integrated Habitat Assessment, or
GRIHA(http://www.grihaindia.org/)

14. Getting green certificate:
• Register with IGBC (Indian Green Building Council) or
GRIHA (Green Rating for Integrated Habitat
Assessment)
• This process should be initiated in project planning
stage well before the design was initiated.
• Credit Interpretations
• Certification and Documentation
• Certification Award
• Appeal
• Fee Summary
refer:(http://www.igbc.in/site/igbc/testigbc.jsp?
desc=22968&event=22869)

15. LEED (Leadership in Energy and Environmental Design)
certifications
sno category points
1 Sustainable Sites 14
2 Water Efficiency 5
3 Energy and Atmosphere 17
4 Materials and Resources 13
5 Indoor Environmental
Quality
15
6 Innovation & Design
Process
5
Total Possible Points 69
Score Rating
26-32 Certified
33-38 Silver
38-51 Gold
51-69 Platinum
Division of points under LEED: LEED Certificates:
Certification is provided as per the scores obtained
Points that can be scored by fulfilling all of the credits in each of the categories

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