Wednesday, 16 March 2016


‘GRIHA’ Rating System:
Criteria and their weightage
GRIHA is a guiding and performance-oriented system where points are earned for meeting the design and performance intent of the criteria. Each criterion has a number of points assigned to it. It means that a project intending to meet the criterion would qualify for the points.
Compliances, as specified in the relevant criterion, have to be submitted in the prescribed format. While the intent of some of the criteria is self-validating in nature, there are others such as energy consumption, thermal and visual comfort, noise control, and indoor pollution levels which need to be validated on-site through performance monitoring. The points related to these criteria (specified under the relevant sections) are awarded provisionally while certifying and are converted into firm points through monitoring, validation, and documents/photographs to support the award of point.
GRIHA is a 100 point system consisting of some core points, which are mandatory, while the rest are optional.
Different levels of certification (one star to five stars) are awarded based on the number of points earned. The minimum points required for certification is 50.

Criterion 1 Site Selection
Criterion 2 Preserve and protect landscape during construction/compensatory depository forestation.
Criterion 3 Soil conservation (post construction)
Criterion 4 Design to include existing site features
Criterion 5 Reduce hard paving on site
Criterion 6 Enhance outdoor lighting system efficiency
Criterion 7 Plan utilities efficiently and optimize on-site circulation efficiency
Criterion 8 Provide minimum level of sanitation/safety facilities for construction workers
Criterion 9 Reduce air pollution during construction
Criterion 10 Reduce landscape water demand
Criterion 11 Reduce building water use
Criterion 12 Efficient water use during construction
Criterion 13 Optimize building design to reduce conventional energy demand
Criterion 14 Optimize energy performance of building within specified comfort limits
Criterion 15 Utilization of fly-ash or equivalent industrial/agricultural waste as recommended by BIS in building structures
Criterion 16 Reduce embodied energy of construction is reduced by adopting material efficient technologies and/or low-energy materials
Criterion 17 Use low-energy materials in Interiors
Criterion 18 Renewable energy utilization
Criterion 19 Renewable energy based hot water system
Criterion20 Waste water treatment
Criterion 21 Water recycle and reuse (including rainwater)
Criterion 22 Reduction in waste during construction
Criterion 23 Efficient Waste segregation
Criterion 24 Storage and disposal of wastes
Criterion 25 Resource recovery from waste
Criterion 26 Use of low-VOC paints/adhesives/sealants
Criterion 27 Minimize ozone depleting substances
Criterion 28 Ensure water quality
Criterion 29 Acceptable outdoor and indoor noise levels
Criterion 30 Tobacco and smoke control
Criterion 31 Provide at least the minimum level of accessibility for persons with disabilities
Criterion 32 Energy audit and validation
Criterion 33 Operation and Maintenance
Criterion 34 Innovation Points

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