Green building in India
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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. The Indian Green Building Council (IGBC) is the leading green building movement in the country.
Indian Green Building CouncilEdit
The Indian Green Building Council (IGBC) was formed by the Confederation of Indian Industry (CII) in 2001. The council is based out of the CII Green Business Centre, Hyderabad which is India's 1st Platinum rated green building. The vision of the council is to enable ‘Sustainable built environment for all.
IGBC is the country's premier body for green building certification and allied services. Today, with strong support from various stakeholders, they have achieved the following significant milestones:
- 5,900+ projects registered with IGBC from various parts of India and abroad, amounting to a total footprint of 7.17 billion sq. ft.
- 26 IGBC green building ratings to cover all typologies of projects - residential, commercial, industrial, healthcare, etc.
- 1,760+ IGBC Member Organizations comprising developers, corporates, architects, consultants, institutes, government, etc.
- 4,450+ qualified IGBC Accredited Green Building Professionals ; more than 30,000 stakeholders have been trained by IGBC till date.
IGBC certifies the green projects which are conceptualized, designed, constructed and operated as per IGBC Ratings. Till date, more than 1,250 projects (approx 400 million sq ft) have been rated by IGBC. These IGBC-rated projects, as compared to conventional structures, have demonstrated tremendous savings to the extent of up to:
- 15,000 MWh of Energy per million sq ft. per annum
- 45,000 KL of Water per million sq ft. per annum
- Installation of 100 MW of Renewable Energy in IGBC certified projects
- Reduced CO2 emissions by 12,000 tons per million sq ft. per annum
- Diverted 500 Tons of construction waste from landfill per million sq ft.
IGBC Green league (IGL) by IGBC Mumbai ChapterEdit
The foremost objective of IGL is "Learning & Growing : Together". The particular initiative has taken by IGBC Mumbai Chapter.
Residential buildings in India: The residential building sector is one of the largest consumers of electricity in India. Continuous urbanisation and the growth of population result in increasing power consumption in buildings. Thus, while experts express the huge potential for energy conservations in this sector, the belief still predominates among stakeholders that energy-efficient buildings are more expensive than conventional buildings, which adversely affects the “greening” of the building sector. This belief is contested by studies finding evidence for the opposite being the case.
EDGE Program in IndiaEdit
The IFC, a member of the World Bank Group, and the Confederation of Real Estate Developers' Associations of India (CREDAI), apex body of private real estate developers, have partnered to promote green buildings in the country through IFC's EDGE certification. An MoU was signed in the presence of Minister for Environment and Forests Prakash Javadekar on November 25, 2014.
The Indian Bureau of Energy Efficiency (BEE) launched the Energy Conservation Building Code (ECBC). The code is set for energy efficiency standards for design and construction with any building of minimum conditioned area of 1,000 m2 and a connected demand of power of 500 KW or 600 KVA. The energy performance index of the code is set from 90 kW·h/sqm/year to 200 kW·h/sqm/year where any buildings that fall under the index can be termed as "ECBC Compliant Building"
Moreover, the BEE launched a five-star rating scheme for office buildings operated only in the day time in three climatic zones, composite, hot&dry, warm&humid on 25 February 2009. IGBC rated green buildings are also able to meet or exceed the ECBC compliance. The CII Sohrabji Godrej Green Business Centre is a BEE 5 star-rated building.
In Tamil Nadu 11 buildings were star rated by BEE, in the year 2010, including RBI buildings.
In Tamil Nadu, the government is planning to build solar-powered green houses for rural poor. It has allotted Rs.1058 crore for construction of 60,000 houses.
In Maharashtra, near Mumbai in the Thane District, Govardhan Eco Village, a community in India, has built buildings with compressed stabilized Earth blocks, Rammed Earth Technique, Cob Houses(ADOBE Bricks) with traditional thatched roofs. These buildings have received a five-star rating from GRIHA, an Indian Nationwide Green Standards for Buildings, a wing of the famous TERI.
Traditional buildings were energy efficient because architecture depended on the places. Buildings in the hot and dry regions, had corridors directing the wind to cool naturally. In wet regions, structures using natural light and breeze, were used. Some examples are
- Hawa Mahal - Articulated windows provides cool breeze in a desert area
- Golkonda - Ventilation is designed to let in fresh cool breeze, in spite of summer.
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