Twoo Assessment 2021
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August 12, 2022
Overview
The Commerce Park is a 20-story , 806161 square foot structure which is primarily used as a office building. EMAAR appointed Firstgreen consulting for its green building certification from GRIHA. The starting points of the planning for the project are principles of sustainability and natural convenience. Its buildings have been constructed with materials which are durable, and balanced enough to withstand the hot, dusty, infrequently wet environment of Haryana. The buildings is designed with a favourable orientation so that heat gains are minimal, and cleverly for the climate, we need less cost on air conditioning. The building used materials such as Kota stone, AAC block, etc so that materials embodied energy can be reduced.
Rigorous 3D energy modelling was done by Firstgreen team to assess the suitable glass selection with low U and SHGC value in the building to reduce the heat gain. The lighting was done using the LEDs to keep the lighting power density below 0.5W/SQFT. There will also be basic five amenities within 500 meter of project.
Key Project information
Project Title: EMAAR Commerce Park
Building Type: Office Building
Site Area: 22864 sqm
Built up Area: 80616.0 sqm
GRIHA Status: Pre- Certified with 4 Star rating
The following strategies were adopted to reduce the building impact on the natural environment:
- Top soil was preserved and re-applied in landscape on site.
- Air pollution control measures such as site barricading, coverage of dusty material, wheel washing and water sprinkling is implemented during construction.
- Reduction of more than 50% from the GRIHA base case has been demonstrated in landscape water demand through use of highly efficient drip irrigation system.
- Reduction of more than 55% from the GRIHA base case has been demonstrated in building water use by installing water efficient flush and flow fixtures.
- EPI reduction of more than 40% from GRIHA benchmark has been demonstrated.
- 75% of the habitable spaces are day lit and meet the daylight factors prescribed by the National Building Code of India.
- Fly-ash bricks, PPC and AAC blocks have been used in the project to reduce embodied energy of the building.
Procedure for GRIHA CErtification
Step-1
Registration with GRIHA
The building is registered with GRIHA green building certification portal
Step-2
Data collection during the performance period
The building data is collected related to Sustainable Site, Construction management, Water management, Energy optimization , Occupant comfort, Solid Waste management,Sustainable Building Material, and life cycle Cost Analysis
Step-3
Review of documentation by GRIHA team
GRIHA closely review all the documentation and the Criterion are awarded as per their norms.
Step-4
Final certification
Once all the review replies are satisfied by the GRIHA review team, the building is awarded appropriate certification based on the Criterion approved.
