GRIHA
All the queries have been arranged according to GRIHA V 2015. However, the queries belong to all versions of GRIHA. You may search directly through the search bar or by searching new criterion on similar subject.
Criterion 1: Site Selection
Criterion 2: Low-impact design
Criterion 3: Design to mitigate UHIE
- SRI value for external pavement
- How should an open water body or swimming pool be considered for Criterion 5 Calculation under GRIHA V3
- According to criterion 05 (GRIHA Version 3), net paved area should not exceed 25% of the site area. So how would be the site area calculated for a new block being added to an existing project?
- What is the right approach to calculate the net paved area for criterion 05 (GRIHA Version 3)?
- A project is using interlocked concrete paver blocks with gaps, laid over sand bed as pervious paving. Is this composition considered pervious to comply with the criterion 05 (GRIHA Version 3)?
- Are concrete blocks or concrete road acceptable as high SRI material for paving under Criterion 5 (GRIHA Version 3)?
Criterion 5: Air and pollution control
Criterion 6: Preserve & protect landscape during construction
- Accredited labs for soil fertility testing
- Compliance of soil test reports from non-ICAR accredited labs
- Why should there be only one standard to determine and decide if the soil has enough nutrients or not?
- What is the minimum soil nutrient level for all regions in India?
- Can we store top soil in layers of more than 40 cm thickness as we have a space constraint on our site?
- Is it possible to get the soil testing done at NABL accredited labs?
Criterion 8: Energy efficiency
- HAP software for energy simulation
- What LPD to be considered in the model?
- Areas and equipment to be included in EPI calculations
- Daylight analysis for a college building
- Requirement for automatic lighting controls for ECBC compliance in a residential building
- What will be the EPI for a naturally ventilated hostel building?
Criterion 9: Renewable energy utilization
- The project is mixed use type consisting of a hotel block (24hr occupancy), service apartments(24 hrs occupancy) and retail part( 12 hrs occupancy). In this case, what percentage of HVAC and lighting load needs to be consider to achieve respective points
- What should be the minimum number of years that RECs should be purchased for to comply with Criterion 18?
- Can the project claim points In criterion 19 GRIHA Version 3, for installing SWH even though the hot water requirement is less than 500 lt/day?
- Can a Solar PV System installed within an institutional campus boundary be considered towards GRIHA compliance?
- How can a project comply with the mandatory requirement in Criterion 18 of GRIHA v3, in case of phase wise construction?
- Is it mandatory to consider solar PV system to meet 1% of the total lighting and AC connected load?
Criterion 10: Zero ODP materials
Criterion 11: Achieving indoor comfort requirements (visual/ thermal/ acoustic)
- Spaces eligible for daylight analysis
- Method for SHGC calculation for jali system
- SRR, SHGC and VLT calculation for skylight
- Compliance methodology for buildings with WWR>60%
- SHGC value for a residential building in warm and humid climate.
- Nature and Artificial daylight
Criterion 12: Maintaining good IAQ
Criterion 13: Use of low VOC paints and other compounds in building interiors
- What is the percentage of VOC in paints to be considered a low VOC paint?
- Is there any norm of VOC for Carpets?
- Are there any norms of VOC for the Vinyl print (multi-color graphics) to be pasted on partition?
- Is there any VOC limit to be followed for Grout?
- Is there any VOC limit to be followed for polish to be applied for wooden surface?
- What should be the VOC limit for ’adhesive' used to apply Vinyl flooring?
Criterion 14: Use of low flow fixtures and systems
- What is the number of uses to be considered in criterion 14 ( Use of low flow fixtures and systems) of GRIHA Version 2015?
- What are the baseline flow rates for water fixtures and flush fixtures for GRIHA Version 2015?
- What is the design pressure for faucets and flush fixtures?
- What should be the number of uses for various water fixtures in a Commercial project?
- What is the baseline criterion of water use for Indian WC's flush in Criterion 11 (GRIHA Version 03)?
- How can a builder make sure that the tenants follow requirements of Criterion 11 (GRIHA Version 03) in their leased apartments?
Criterion 15: Reducing landscape water demand
- Calculation of overlapping areas between trees and other vegetation
- Plant Factor for exotic trees
- Can the water requirements for landscape irrigation be excluded for the monsoon months?
- What is the plant factor for exotic trees on ground?
- Is it acceptable to use any low flow hose nozzles/ sprayers connected to a hose pipe to earn 1 point?
- How can the tree area be calculated in Criterion 10 (GRIHA Version 3) if either ground cover or lawn comes under the tree? Please clarify the correct course of action if lawn and trees are overlapping each other.
Criterion 16: Water quality
- Can the average annual quantity of water from on-site water bodies used to capture rainwater be considered to meet per-capita water demand?
- Is providing a Sewage Treatment Plant a mandatory requirement to achieve 3 star rating?
- Does the wastewater treated with a Septic System comply with GRIHA requirements?
- A project is divided into two different phases, out of which only one phase is going for GRIHA rating. A combined STP is proposed for both the phases. So how can the project apply for points in Criterion 21 (GRIHA Version 03)?
- Can water be tested in any laboratory to ensure water quality in Criterion 28 (GRIHA Version 03)?
Criterion 17: On-site water reuse
- While calculating annual water reuse demand, can kitchen and lavatory faucet requirement be excluded?
- Will harvested rainwater diverted to various wells across the campus be accepted for compliance under Criterion 17 of the GRIHA Rating?
- Are the calculations performed for Criterion 21 (Water recycle and reuse (including rainwater), done for the entire year or just the rainy season?
- Can the treated water quantity be considered in Criterion 21 (GRIHA Version 03) if the water is not being used on site?
- During monsoon the potable water demand for our project will be met by rainwater harvesting. How should the rainwater tank size be calculated in Criterion 21 (GRIHA Version 03)?
Criterion 18: Rainwater recharge
- Percent of rainwater to be recharged
- Rainfall data for rain water harvesting calculation
- Rain water reuse and recharge
- Kindly provide the peak hourly rainfall data for Delhi & Gangtok.
- Does the builder need to supply following things for attaining 3 star pre certification : 1) solar thermal system 2) garbage chute 3) rain water harvesting
- What documents are needed to demonstrate non- applicability in Criterion 21 (GRIHA Version 03)?
Criterion 19: Utilization of BIS recommended waste materials in building structure
- Use of recycled aggregates in building structure.
- Use of waste material in building structure
- What is the percentage of conventional red bricks that is allowed in criterion 19?
- Will using 6 mm sand cement plaster and 6 mm gypsum plaster with wall putty impact GRIHA norms?
- Except for a small part of the building, AAC blocks are used for all the wall constructions. Are we eligible for points under Criterion 15 of GRIHA v3?
- Is Ground Granulated Blast Furnace Slag (GGBFS) accepted as a waste material in GRIHA?
Criterion 20: Reduction in embodied energy of building structure
- Embodied energy calculation.
- How to evaluate base case in a project that uses Post Tensioned slabs and AAC blocks as the design case?
- How to calculate reduction in embodied energy of building to demonstrate compliance with Criterion 20 of GRIHA Rating?
- Criterion 20 (GRIHA V2015) states that the reduction in combined embodied energy of load bearing structure and masonry walls should be demonstrated. Is a load bearing structure compulsory for achieving points in this criterion?
- Do gypsum partitions qualify in Criteria 16 (GRIHA Version 3) for reduction in embodied energy?
- Can we get points in Criterion 15 as well as Criterion 16 (GRIHA V3) by using fly ash?
Criterion 21: Use of low-environmental impact materials in building interiors
- Will a 3rd party certificate be required if the project uses products from the GRIHA product catalogue?
- What is the meaning of built-in furniture under Criterion 17 of GRIHA v3?
- Can doors and window frames made of best quality, well-seasoned Ghana Teak or Ivory Cost or Burma Border wood be considered as low energy material in interiors?
- Are flamed granite and flamed kota considered as low embodied energy products?
- Does GRIHA award points for use of regional materials that are extracted and processed within certain distance from the project site?
- Will FSC certificate for engineered wood be accepted by GRIHA for Criterion 21?
Criterion 22: Avoided post construction landfill
- What category of waste generation norm should be considered in case of medical consultation rooms, labs or minor OT?
- Will a project which is part of an existing campus get points in Criterion 24 (GRIHA Version 03) if the waste is being sent to a centralized facility?
- Does the builder need to supply following things for attaining 3 star pre certification : 1) solar thermal system 2) garbage chute 3) rain water harvesting
Criterion 23: Treat organic waste on site
Criterion 24: Labor safety and sanitation
Criterion 28: Smart metering and monitoring
- Monitoring system connected over LAN but not internet
- Does one meter per tenant space for commercial buildings comply with GRIHA requirements?
- What is meant by ‘each apartment level’?
- Do water sub meters have to be provided to each tenant in core and shell type of building and also in each dwelling unit of residential building?
Criterion 29: Operation, maintenance protocols
- Who conducts the energy audit for demonstrating compliance with Criterion 32 (GRIHA Version 03)?
- When is the energy audit conducted for demonstrating compliance with Criterion 32 (GRIHA Version 03)?
- Is it necessary to install meters and sub-meters at individual dwelling unit level or they can be installed at common area level in an apartment?
Criterion 30: Performance assessment for final rating
- Documentation submission for audit and validation
- Audit for Energy, Thermal & Acoustic, Water and Visual parameters
- Can a BEE Certified ECBC master trainer be hired for doing the final audit instead of energy auditor?
- Should the project be fully commissioned for GRIHA rating?
- What is the time period for which the project GRIHA rating is valid?
Criterion 31: Innovation
- Use of Green Fertilizers as innovation
- Innovation Point for involving a GRIHA CP in the project
- Lifecycle assessment
- Is it possible to achieve 1 point for innovation if the project is using GRIHA certified chairs?
- Can you suggest few examples or options that can be used under Criterion 31 : innovation?