GRIHA for Existing Buildings: Transforming existing buildings to sustainable buildings (Version 1: Detailed Manual)

A GRIHA Council Publication

03/2022 · The Energy and Resources Institute (TERI)

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GRIHA for Existing Buildings rating is an integrated green building rating tool to evaluate the performance of existing buildings and provide solutions for enhanced energy and water efficiency, increased thermal & visual comfort, and decreased operational & maintenance costs. While focusing on the above, the tool has been developed with the underlying objectives of simplicity of execution, economic viability and alignment with national and international codes and standards. The rating endeavours to cover various categories of buildings across diverse climatic zones of the country. The rating system is a 100 point system consisting of 12 criteria categorized under seven sections such as Site Parameters, Maintenance & Housekeeping, Energy, Water, Human Health & Comfort, and Social Aspects. The minimum points required for certification is 25.

 

Contents:  

SECTION I: SITE PARAMETERS

Criterion 1: Accessibility to Basic Services

Criterion 2: Microclimatic Impact

 

SECTION II: MAINTENANCE AND HOUSEKEEPING

Criterion 3: Maintenance, Green Procurement, and Waste Management

Criterion 4: Metering and Monitoring

 

SECTION III: ENERGY

Criterion 5: Energy Efficiency

Criterion 6: Renewable Energy Utilization

 

SECTION IV: WATER EFFICIENCY

Criterion 7: Water Footprint

Criterion 8: Reduction in Cumulative Water Performance

 

SECTION V: OCCUPANT HEALTH AND COMFORT

Criterion 9: Achieving Indoor Comfort Requirements (Thermal, Visual, And Acoustic)

Criterion 10: Maintaining Good IAQ

 

SECTION VI: SOCIAL ASPECTS

Criterion 11: Universal Accessibility and Environmental Awareness

 

SECTION VII: BONUS POINTS

Criterion 12: Bonus Points

 

USER GUIDE

 

Appendices 

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GRIHA Rating (Green Rating for Integrated Habitat Assessment) is a green building rating tool which evaluates the resource efficiency of a building throughout its lifecycle. It is a unique tool that takes cognizance of several building codes ; and induces social and environmental responsibilities amongst multiple building stakeholders. GRIHA Rating has been recognized as India’s national rating tool to evaluate GHG reduction from habitats, as part of GOI’s NDCs.