Energy Conservation Building Code
A building code launched by Bureau of Energy Efficiency, Government
of India in 2007; it sets minimum energy performance standards for
the design and construction of large commercial buildings.
Featured Case Study
Transport Corporation of India Ltd, Gurgaon
Energy Efficient Features
- Appropriate orientation leading to lesser heat gains
- Use of single glazed recessed windows to increase indoor thermal comfort
- Use of water-bodies as evaporative cooling technique
- Ample natural light available in various areas
Energy Saving Potential
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Design
North-East and South-West Orientation
Insulated walls and roof
WWR (Window Wall Ratio): 14.1%
North-East and South-West Orientation
Insulated walls and roof
WWR (Window Wall Ratio): 14.1%
Building Envelope
Wall U-Value: 1.67 W/m2K
Roof U-Value: 1.01 W/m2K
Glass U-Value: 5.7 W/m2K
Glass SHGC : 0.52
Wall U-Value: 1.67 W/m2K
Roof U-Value: 1.01 W/m2K
Glass U-Value: 5.7 W/m2K
Glass SHGC : 0.52
Lighting System
LPD (Lighting Power Density): 5.9 W/m2
Daylight and artificial light integration
Small windows at the seating areas reduce thermal discomfort
LPD (Lighting Power Density): 5.9 W/m2
Daylight and artificial light integration
Small windows at the seating areas reduce thermal discomfort
HVAC System
Central plant with two vapour chillers
COP (Coefficient of Performance)- 4.21
13 AHUs (Air Handling Unit) installed to provide thermal comfort
Central plant with two vapour chillers
COP (Coefficient of Performance)- 4.21
13 AHUs (Air Handling Unit) installed to provide thermal comfort
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Energy Performance Index
Note: In units of KWh/sq.mts/annum
Roadmap to High Performance Buildings
Adopting ECMs (Energy Conservation Measures)
- Alternative passive strategies to reduce energy consumption and minimize wastage
- Impacts the lifecycle cost of the building
- Implemented across four major categories – Building Design, Building Envelope, Lighting and HVAC
- Selected on the basis of their saving potential, cost of implementation, and the payback period
- Beneficial in terms of lower power bills and lesser carbon dioxide emissions
High Performance Building
Buildings that have integrated solar passive architectural design strategies, along with the energy efficiency measures adopted as per ECBC.
Buildings that have integrated solar passive architectural design strategies, along with the energy efficiency measures adopted as per ECBC.
EPI (Energy Performance Index)
The ratio of total electricity used in a building to its total built up area. It is expressed as KWh/sq.mts/annum.
The ratio of total electricity used in a building to its total built up area. It is expressed as KWh/sq.mts/annum.
Building Blocks
Build your basic understanding about HPCBs. Get to know the terms most commonly used by building professionals when they discuss about a HPCB.
Climate Zones
Hot and Dry
In hot and dry climate, it is imperative to control solar radiation and movement of hot winds. The building design criteria should thus, provide appropriate shading, reduce exposed area, and increase thermal capacity.
Temperate
Temperate climate requires a building design which would reduce heat
gain by providing shading, and promote heat loss by ventilation.
Composite
The building design criteria for a composite climate are more or
less the same as for hot and dry climate (appropriate shading, reduced
exposed area, and increased thermal capacity) except that maximizing
cross ventilation is desirable in the monsoon period.
Cold
Cold climate requires buildings to have appropriate insulation and
infiltration to resist heat loss, and promote heat gain by directly
admitting and trapping solar radiation within the living space.
Warm and Humid
The building design in a warm and humid climate should aim at reducing
heat gain by providing shading, and promoting heat loss by maximizing
cross ventilation. Dissipation of humidity is also required to reduce
discomfort.
India set to embrace energy efficient buildings
Laying the roadmap for establishing green buildings in India, eminent building professionals from the government and the industry will discuss the prospects of high performance commercial buildings in the country at an international workshop to be held on 4 February 2010. Low-energy design and cooling strategies for commercial buildings will also be presented on this occasion.
Second International Workshop
The 2nd international workshop under the project ,”High Performance commercial buildings in India” was hosted in New Delhi as a special event during the Delhi Sustainable Development Summit...
First International Workshop
First international workshop to disseminate
the initial project results amongst APP partner countries and building
industry stakeholders in India was organized on 10th April, 2009.
To get information about the partners, stages of the project, and the
findings of a study on low-energy buildings, kindly view this brochure.
Developed by TERI, supported by US Department of State and Bureau of Energy Efficiency, under the aegis of Asia Pacific Partnership