Green Performance Indicators for Green Building Rating System

The economic libralisation and globalization of the Indian Economy has brought a new prosperity in the economy. The real estate development, one of the most important contributing factors has obviously put the natural environment at second place. Various developments in the form of Highways, Underpasses, Overbridges, Malls, Special Economic Zones (SEZs), Housing Complexes are coming up in various parts of the country. The cultivation lands, flora- fauna, tree covers are becoming concrete jungles and there is a need to bring some environment responsible measures. The concept of eco friendly building or green building is yet to be picked up by the countrymen. Green construction is the need of the hours taking various green performance indicators in consideration. The long term aspects on tangible and intangible benefits are normally ignored due to small cost factors. In reality, a green building in a long run provides economic as well as environment well being for the occupants and the investor. There is a great information gap over the technological aspects, materials and ecologic savings.
As the building and construction industry has a major share of energy and resources consumption. They are responsible for about 25-40 % of energy consumption, 30-40 % of material resource consumption, 30-40 % of waste production and 30-40 % of the greenhouse gas released globally. Inefficient and improper garbage disposal systems, shortage of water and other civic services are imposing unbearable burden on urban and already burdensome city life.
Green Buildings aims to provide optimum design solutions effectively emulating all of the natural systems and conditions. Most of the GB (Green Building) rating systems touch on the same chord i.e. “Conservation of Resources”. An indigenized version of the LEED (Leadership in Energy and Environment Design) rating system is prevalent in India. LEED India Rating System has been adopted by CII-IGBC (Confederation of Indian Industries- Indian Green Building Council), Hyderabad. TERI (The Energy & Resources Institute) has evolved its own rating system called GRIHA (Green Rating for Integrated Habitat Assessment) with support from Ministry of New and Renewable Energy (MNRE), Government of India which stresses on a holistic approach for shared responsibilities and accountability towards improved energy performance. This system has now been endorsed by Government of India.

Green Performance Indicators

The overall sustainable mechanism of construction industry depends upon various factors. The consideration of natural/ecological concerns primarily measures the green performance rating of a building. Green performance of a building is based on broadly five key parameters i.e. Sustainable Site, Water Efficiency, Energy and Atmosphere. Material and Resources and Indoor Environment Quality. Various other sub indicators under these above mentioned five indicators are used to assess and evaluate the performance of a building being carbon neutral.

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