The building sector in India is growing at a rapid
pace and contributing immensely to the growth of the economy. This
augurs well for the country and now there is an imminent need to
introduce green concepts and techniques in this sector, which can aid
growth in a sustainable manner.
The green concepts and techniques in the building
sector can help address national issues like water efficiency, energy
efficiency, reduction in fossil fuel use in commuting, handling of
consumer waste and conserving natural resources. Most importantly, these
concepts can enhance occupant health, happiness and well-being.
Against this background, the Indian Green Building
Council (IGBC) has launched IGBC Green New Buildings rating system to
address the National priorities. This rating programme is a tool which
enables the designer to apply green concepts and reduce environmental
impacts that are measurable. The rating programme covers methodologies
to cover diverse climatic zones and changing lifestyles.
IGBC has set up the Green New Buildings Core
Committee under the leadership of Ar. Raghavendran, to develop the
rating programme. This committee comprised of key stakeholders including
architects, builders, consultants, developers, owners, institutions,
manufacturers and industry representatives. The committee, with a
diverse background and knowledge has enriched the rating system, both in
its content and process.
Benefits:
Green New buildings can have tremendous benefits, both tangible and intangible. The most tangible benefits are the reduction in water and energy consumption right from day one of occupancy. The energy savings could range from 20 - 30 % and water savings around 30 - 50%. The intangible benefits of green new buildings include enhanced air quality, excellent daylighting, health & well-being of the occupants, safety benefits and conservation of scarce national resources.
Overview:
IGBC Green New Buildings rating system® addresses green features under the following categories:
Benefits:
Green New buildings can have tremendous benefits, both tangible and intangible. The most tangible benefits are the reduction in water and energy consumption right from day one of occupancy. The energy savings could range from 20 - 30 % and water savings around 30 - 50%. The intangible benefits of green new buildings include enhanced air quality, excellent daylighting, health & well-being of the occupants, safety benefits and conservation of scarce national resources.
Overview:
IGBC Green New Buildings rating system® addresses green features under the following categories:
- Sustainable Architecture and Design
- Site Selection and Planning
- Water Conservation
- Energy Efficiency
- Building Materials and Resources
- Indoor Environmental Quality
- Innovation and Development
- Site Selection and Planning
- Water Conservation
- Energy Efficiency
- Building Materials and Resources
- Indoor Environmental Quality
- Innovation and Development
The guidelines detailed under each mandatory
requirement & credit enables the design and construction of new
buildings of all sizes and types (as defined in scope). Different levels
of green building certification are awarded based on the total credits
earned. However, every green new building should meet certain mandatory
requirements, which are non-negotiable.
Scope:
IGBC Green New Buildings rating system® is designed primarily for new buildings. New Buildings include (but are not limited to) offices, IT parks, banks, shopping malls, hotels, airports, stadiums, convention centers, libraries, museums, etc., Building types such as residential, factory buildings, schools will be covered under other IGBC rating programmes. IGBC Green New Buildings rating system is broadly classified into two types:
1. Owner-occupied buildings are those wherein 51% or more of the building's built-up area is occupied by the owner.
2. Tenant-occupied buildings are those wherein 51% or more of the building's built-up area is occupied by the tenants.
Based on the scope of work, projects can choose any of the above options.
Scope:
IGBC Green New Buildings rating system® is designed primarily for new buildings. New Buildings include (but are not limited to) offices, IT parks, banks, shopping malls, hotels, airports, stadiums, convention centers, libraries, museums, etc., Building types such as residential, factory buildings, schools will be covered under other IGBC rating programmes. IGBC Green New Buildings rating system is broadly classified into two types:
1. Owner-occupied buildings are those wherein 51% or more of the building's built-up area is occupied by the owner.
2. Tenant-occupied buildings are those wherein 51% or more of the building's built-up area is occupied by the tenants.
Based on the scope of work, projects can choose any of the above options.
The project team can evaluate all the possible points
to apply under the rating system using a suitable checklist
(Owner-occupied buildings and Tenant-occupied buildings). The project
can apply for IGBC Green New Buildings rating system® certification, if
it can meet all mandatory requirements and achieve the minimum required
points.
Certification Levels:
The threshold criteria for certification/pre-certification levels are as under:
The threshold criteria for certification/pre-certification levels are as under:
| Certification Level | Owner-occupied Buildings | Tenant-occupied Buildings | Recognition |
| Certified | 40 - 49 | 40 - 49 | Good Practices |
| Silver | 50 - 59 | 50 - 59 | Best Practices |
| Gold | 60 - 74 | 60 - 74 | Outstanding Performance |
| Platinum | 75 - 89 | 75 - 89 | National Excellence |
| Super Platinum | 90 - 100 | 90 - 100 | Global Leadership |
IGBC Green Existing Building O&M is the first rating programme developed in India, exclusively for existing building stock. It is based on accepted environmental principles and strikes a balance between known established practices and emerging concepts. The system is designed to be comprehensive in scope, yet simple in operation.
Features:
IGBC Green Existing Buildings O&M Rating System is a voluntary and consensus based programme. The rating is focused on sustained performance of buildings with respect to the green features.
The overarching objective of this rating system is to facilitate building owners & facility managers in implementation of green strategies, measure their impacts and sustain the performance in the long run.
IGBC Green Existing Buildings O&M Rating System
is fundamentally designed to address national priorities of resource
conservation while providing quality of life for occupants. The rating
programme uses well accepted National standards and wherever local or
National standards are not available, appropriate international
benchmarks have been considered.
Benefits:
Green Existing Buildings can have tremendous benefits, both tangible and intangible
Benefits:
Green Existing Buildings can have tremendous benefits, both tangible and intangible
Tangible benefits:
- Energy savings : 15 - 30%
- Water savings : 15 - 50%
- Energy savings : 15 - 30%
- Water savings : 15 - 50%
Intangible benefits:
- Enhanced air quality
- Health & higher satisfaction levels of occupants
Overview:
The project team can evaluate all the possible points to apply under the rating system using a suitable checklist. The project can apply for IGBC Existing Buildings O&M certification if it can meet all mandatory requirements and achieve the minimum required points.
- Enhanced air quality
- Health & higher satisfaction levels of occupants
Overview:
The project team can evaluate all the possible points to apply under the rating system using a suitable checklist. The project can apply for IGBC Existing Buildings O&M certification if it can meet all mandatory requirements and achieve the minimum required points.
IGBC Green Existing Buildings O&M rating system addresses green features under the following categories:
- Site & Facility Management
- Water Efficiency
- Energy Efficiency
- Health & Comfort
- Innovation
Scope:
The pilot version of IGBC Existing Buildings O&M rating system is applicable for all types of non-residential buildings including office buildings, IT Parks, BPOs, shopping malls, hotels, hospitals, airports, banks, etc. Building types such as factory and schools will be covered under respective IGBC rating programmes.
When to use IGBC Green Existing Buildings O&M
The pilot version of IGBC Existing Buildings O&M rating system is applicable for all types of non-residential buildings including office buildings, IT Parks, BPOs, shopping malls, hotels, hospitals, airports, banks, etc. Building types such as factory and schools will be covered under respective IGBC rating programmes.
- Site & Facility Management
- Water Efficiency
- Energy Efficiency
- Health & Comfort
- Innovation
Scope:
The pilot version of IGBC Existing Buildings O&M rating system is applicable for all types of non-residential buildings including office buildings, IT Parks, BPOs, shopping malls, hotels, hospitals, airports, banks, etc. Building types such as factory and schools will be covered under respective IGBC rating programmes.
When to use IGBC Green Existing Buildings O&M
The pilot version of IGBC Existing Buildings O&M rating system is applicable for all types of non-residential buildings including office buildings, IT Parks, BPOs, shopping malls, hotels, hospitals, airports, banks, etc. Building types such as factory and schools will be covered under respective IGBC rating programmes.
Buildings which are 80% occupied (with respect to the
carpet area) and operational for a minimum of 1 year are eligible for
certification under IGBC Existing Buildings O&M rating.
Projects already certified and operational for more than 1 year are
also eligible to apply for IGBC Existing Buildings O&M certification
Campus projects having multiple buildings can be
considered as one single project for registration and certification.
However each building has to individually conform to the energy, water
and fresh air mandatory requirements.
Certification Levels:
It is important to note that the mandatory requirements/ credits earned during the preliminary review are only considered as anticipated. These mandatory requirements/ credits are not awarded until the final documents are submitted. If there are changes in any credit anticipated after preliminary review, these changes need to be documented and resubmitted during the final review.
Certification Levels:
It is important to note that the mandatory requirements/ credits earned during the preliminary review are only considered as anticipated. These mandatory requirements/ credits are not awarded until the final documents are submitted. If there are changes in any credit anticipated after preliminary review, these changes need to be documented and resubmitted during the final review.
The threshold criteria for Certification levels are as under:
| Certification Level | Points | Recognition |
| Certified | 50 - 59 | Best Practices |
| Silver | 60 - 69 | Outstanding Performance |
| Gold | 70 - 79 | National Excellence |
| Platinum | 80 - 100 | Global Leadership |
Validity of Certification Levels:
IGBC Green Existing Buildings O&M rating is valid for a period of 3 years from the date of issue of the certification.
For recertification, the projects have to show compliance to the latest version of IGBC Green Existing Buildings O&M rating prevailing at the time of recertification.
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