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Green building GRIHA criteria 32 &33

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  • 1. Green Building GRIHA CRITERIA 32. -Energy audit and validation 33. -Operation and Maintenance Ashish Verma M.Tech Energy system Engineering 500022066 © 2013 UPES
  • 2. Agenda  Scenario  International rating programmes  Introduction to GRIHA  Scoring Points under the GRIHA  GRIHA criteria :Applicable & Selectively criteria  Building operation and maintenance  Criteria 32 & 33  Commitment and relevant clause  Evaluation Chart Oct 2013 Nov 2013 © 2013 UPES
  • 3. Scenario  Buildings are responsible for 40% of energy use in the world  42% of global water consumption and 50% of the global consumption of raw material used in Building  India’s floor build up are is increasing 1% per year compare to the 2004-05 where it was 40.5 million sq. meter  8% rise in annual energy consumption in residential and commercial sector ,its was 14% in 1970s to 33% in 2004-05  Building is having major concern during construction for water ,material and resource management.  Micro level planning needs to incorporate for site development and planning for building  Green building depletes the natural resources to minimum during its construction and operation. Oct 2013 Nov 2013 © 2013 UPES
  • 4. International rating programs  BREEM –building research establishment’s Environmental assessment method adopted in UK in 1990  CASBEE- comprehensive assessment system for building Environmental Efficiency – adopted in Japan ,2001  GB Tool- tool developed by International framework committee for the green building challenges since 1998s  LEED- leadership in Energy and Environmental design (LEED) was developed and piloted in the US ,since 1998s  HK BEAM- The Hong kong building Environmental Assessment method launched in dec 1996 Oct 2013 Nov 2013 © 2013 UPES
  • 5. Introduction to GRIHA  Stands for Green rating for integrated habitat assessment  Tool used for building’s environmental performance in context to Indian atmospheric condition  Rating shall evaluate the environmental performance of a building holistically over its entire range of life cycle .  The rating applies to new buildings- commercial ,residential and Institutional  Endorsed by MNRE ,GoI from Nov 2007 onwards  It is five star rating system for green building which emphasis on passive solar and optimizing visual and thermal comfort.  GRIHA integrate all relevant indian codes and standards for buildings and act in tool  There are 34 set criteria further divided into- mandatory & optional Oct 2013 Nov 2013 © 2013 UPES
  • 6. Scoring points under GRIHA  Points are earned by meeting the design and performance  Each criteria has assigned respective points, thus project needs to meet with each criteria and earn max points  Few criteria are self validating in nature ,other like (thermal and visual comfort . Energy consumption ,noise control criteria, indoor pollution level) needs to validated on the site  There are 34 criteria ,broadly classified into two categories :  Applicable  Selectively applicable  Applicable criteria has further sub categories : Mandatory & Optional Oct 2013 Nov 2013 © 2013 UPES
  • 7. Applicable criteria  The criteria that are not applicable for a project shall be determined by the ADaRSH during registration .  Information about top soil quality ,mature trees on site ,hot water demand ,quantum of waste water generated ,groundwater table,  These respective criteria as mention above shall not apply in case if the non applicability condition applies  The project will be rate on the applicable criteria basis Building operation and Maintenance  Criterion 32 : Energy audit & validation  Criterion 33: Operation and maintenance Oct 2013 Nov 2013 © 2013 UPES
  • 8. Criterion 32 : Energy audit & validation Objective • Validate the performance of the energy and environment system in the building as predicted during the design and development stage  Commitment  After occupying the building ,conduct energy audit with in 2 years  Conduct audit during full occupancies  Submit audit data as per the format  Energy consumption data should be at least past 12 month  Energy audit report to be prepared by the approved certified BEE Energy auditor Energy audit Water and waste audit Energy consumption Water quality Thermal comfort Solid waste generation Visual comfort Solid waste disposal process Oct 2013 Nov 2013 © 2013 UPES
  • 9.  After occupying the building ,conduct sound level as per specified in criterion 29 a. Indoor noise level b. outdoor noise level  Energy audit should be conducted by BEE certified Energy auditor  Water and waste audit should be conducted by competent authority Earn point -0  Compliances • Completed audit form signed by the competent authority • Demonstrate all the energy and environment system of the building are performing as predicted and match the information provided at the time of award of GRIHA rating • Energy audit activity certificate provided by the EA approved by BEE, GoI  Appraisal  The energy system and water and waste management system of the building are performing as predicted and match the information provided at the time of GRIHA rating (mandatory clause) Oct 2013 Nov 2013 © 2013 UPES
  • 10. Criterion 33: Operation and maintenance  Objective • To ascertain the efficient function of the building system through the monitoring the building Energy and water consumption and maintenance program Commitment  Validate and maintain “ green” performance level/ adopt and propagate green practices and concept  Ensure the commissioning document of all electrical and mechanical system to be maintain by the owner/supplier /operator  Provide core management group who will be solely responsibly for O&M of building , prepare CD/multimedia, manuals for operation and information brochure  Ensure regular monitoring of building by installing digital meters as per the following  Electrical meters installed to measure energy units purchased from the utility and energy units generated on site (through DG/ GG sets).  Electrical sub meters for measuring energy consumption by HVAC plant, AHU fans and indoor lighting.  BTU meters to be installed for each chiller at entering and leaving points to measure the cooling generated by chillers. Oct 2013 Nov 2013 © 2013 UPES
  • 11.  BTU meter to be installed on the chilled water loop to measure building’s total cooling demand.  Water meter should be installed at all main supply points to measure the total water consumption of the building Compliance  Appendage of specific clause in the contract documents for the commissioning of all the electrical and mechanical system to be maintain by the owner ,supplier or operator as per applicable GRIHA documents  Provide core management group if possible  Project manager is responsible for all activity  Submit drawings and documents showing locations of energy and water meters.  Applicant shall provide the proof of provision for a core facility/service group responsible  Applicant shall provide proof of inclusion of specific clause in the contract document of the system supplier for commissioning (installation and test run) of all electrical and mechanical systems Oct 2013 Nov 2013 © 2013 UPES
  • 12.  Appraisal (Max. 2 points)  Provision of meters for monitoring building’s energy and water consumption, (1point mandatory).  Provision for a core facility/service group responsible for the O&M of the building’s systems after installation Inclusion of a specific clause in the contract document of the systems supplier for commissioning (installation and test run) of all electrical and mechanical systems as per clause  Development of a fully documented O&M manual/ CD/ Multimedia / information brochure enlisting the best practices for O&M of the building’s systems, as per clause (1point mandatory) Oct 2013 Nov 2013 © 2013 UPES
  • 13. Evaluation Chart Oct 2013 Nov 2013 © 2013 UPES
  • 14. Oct 2013 Nov 2013 © 2013 UPES