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Calculation indicating site design strategies which assist in reduction of Urban Heat Island Effect (UHIE)-Reducing hard paving/shaded surfaces/solar panel shaded surfaces/ surface with high SRI (Solar reflective index).
- The intent of this criterion is to ensure incorporation of design strategies that will aid in the reduction of UHIE.
Maximum Points: 2
1) Appraisal
Appraisal – 1 ( Optional for 2 points )
- Demonstrate the temperature reduction (in °C) from the GRIHA base case as per the alternatives mentioned below (refer to Appendix 1F).
Alternative – 1
- Demonstrate temperature reduction in the predicted hourly average air temperature (°C) from the GRIHA base case by performing calculations as per Table (Given below).
Alternative – 2
- Demonstrate that the difference in peak air temperature has been achieved through dynamic UHIE simulations from the GRIHA base case as per Table (Given below).
2) Compliance
Compliance – 1
- Submit a site plan (.dwg format) with legends, mentioning the building heights and external surface finishes such as soft paved / covered with high SRI paints / shaded by trees / vegetated pergolas/solar panels.
Compliance – 2
- Submit purchase orders reflecting full quantities of high SRI paints/tiles, solar panels, etc.
Compliance – 3
- Submit the technical specifications/brochures of high SRI paints/tiles, solar panels, etc., to demonstrate compliance with Appraisal – 1 (Optional for 2 points)
OR
- Submit a valid GRIHA Product Catalogue certificate as applicable for the products used.
Compliance – 4
- Upload date-stamped photographs with the description of the measures implemented within the site premises.
Alternative – 1
Compliance – 5
- Submit calculations using the GRIHA UHIE calculator to demonstrate compliance.
Alternative – 2
Compliance – 6
- Submit a simulation report (along with input and output files) to demonstrate compliance.