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Green Construction: The Biggest Change Maker in Real Estate

JLL achieves LEED® V4 Platinum Certification RealtyMyths
Mr Rajendra Chandorkar Realty Myths

Rajendra Chandorkar, Executive Vice President, Architecture Design, Oberoi Realty

By Rajendra Chandorkar

With a billion-plus population, India is the world’s 4th largest country in terms of carbon emissions. Rapid urbanisation has led to a harsh impact on the environment. To remain energy-positive and reduce our carbon footprint, we need to focus on propagating energy efficient methods, use of renewable energy resources, preserving the bounties of nature et al. In real estate sector, since developing a project consumes a lot of natural resources, Green Construction can be the biggest change-maker.

The Green Movement
Considering the damages already done to our planet, it is imperative that what we choose to build not only lasts a long time but also helps protect the environment. This is the ethos behind the Green Movement which was spearheaded by the British way back in the ‘90s. The movement started with a rating system called BREEAM (Building Research Establishment Environmental Assessment Method) which was later adopted by US authorities as LEED (Leadership in Energy and Environmental Design).  In India, the 1st LEED project was certified in 2004 and since then several green building projects have pursued and achieved certification under the LEED rating program. Apart from USGBC’s LEED rating system, in India, there is also the Indian Green Building Council (IGBC) rating system and the GRIHA rating system which are followed by many projects across the country. While there are many green rating systems, at a fundamental level, they all want buildings to do the same thing – reduce energy use, minimize water use, reduce waste, preserve natural resources and create a healthier and better space for all its occupants. Also, all these rating systems talk about the drastic need to reduce our impact on this planet by constructing Green buildings.

What are Green Buildings?
Green buildings are created using environment-friendly and energy-efficient methods throughout the building’s lifecycle – from design, construction, operation, maintenance, renovation to deconstruction. The buildings must follow all or most of the following:

  • Preserve the natural environment of the location as much as possible.
  • Make maximum use of daylight to minimize the use of electricity.
  • Implement various passive strategies including orienting the longer facades to face north and south, providing adequate shading to the building façade and envelope, optimizing building form and siting to reduce heat ingress etc.
  • Design high-performance building envelope to reduce heat ingress
  • Use energy efficient lights and high-performance HVAC equipment and systems to reduce energy use
  • Ensure good indoor air quality so the use of AC is optimised, without hampering thermal comfort or occupant well-being.

Use renewable sources of energy such as solar, wind, biomass to reduce use and dependency of fossil fuels

– The author, Mr Rajendra Chandorkar is EVP, Architecture & Design of Oberoi Realty.

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