IGBC Green Existing Buildings O&M Rating System is a voluntary and consensus based programme. The rating is focused on sustained performance of buildings with respect to the green features.

The overarching objective of this rating system is to facilitate building owners & facility managers in implementation of green strategies, measure their impacts and sustain the performance in the long run.
IGBC Green Existing Buildings O&M Rating System is fundamentally designed to address national priorities of resource conservation while providing quality of life for occupants. The rating programme uses well accepted National standards and wherever local or National standards are not available, appropriate international benchmarks have been considered.

Detailed scope of work
1. The various activities to be carried out under the scope of work are detailed as below:-
1 Registration of project for Green existing Building rating at International Green Building Council.
2 Awareness session on Green existing Building concepts & benefits by International Green Building Council .
3 Feasibility Study to identify Green existing Building improvement opportunities for the client site & report submission.
4 Assessment of preliminary submittal to project team Office and submission of preliminary review to project team for clarifications.
5 Assessment of final submittal received from project team Office and release of final review indicating the accrued rating level.
6 Award of certification with 3 year validity.
2. Registration of project for Green existing Building Rating: – Registration of the project with International Green Building Council.
3. Awareness session on Green existing Building concepts & benefits: –
i) Our consultant shall have a briefing program for one day for project team at client site. The objective of this program is to help the green existing building rating project team of client site in understanding the concepts and the rationale behind the various topics/parameters addressed/applicable in the green existing building rating systems, identify gaps/shorts term/long term improvement opportunities jointly with the team.
ii) The following are the objectives of briefing and assessment process:-
a) Impart training and awareness to the functional team on different parameters of green existing building rating system.
b) Share national and global best practices under green existing building rating.
c) Share best practices followed by green existing building rated companies.
d) Understand the operations of the unit and assess their current level of green existing building rating performance.
e) Identify team members and form cross functional teams for green existing building implementation.
4. Feasibility Study to identify Green Building improvement opportunities for the Project site & report submission :- In the feasibility study, the Accredited Consultant jointly with the project team of Project site will identify the gaps w.r.t. to green building frame work and suggest short term as well as long term improvement opportunities in green building rating system.
5. Assessment of preliminary submittal received from project site and submission of preliminary review to project team for clarifications.–
i) After completion of the briefing and assessment. Project site submit the necessary data and documentation in the prescribed format as per the guidelines of the rating system. A detailed template for the documentation will be provided to the project site to understand the data documentation requirements.
ii) Based on the submitted documents, the accredited consultant should access the documents and release the preliminary review report of the documents. The report will consist of details of gaps between the requires and submittals. The corrective actions / documents would be suggested in the proposed report. Based on the report, the project team will submit the additional documents.
iii) Subsequent to the data/document submission to the Accredited Assessor, the unit will undergo the site visit assessment for the final evolution. Site visit will be conducted by a team of the Accredited Assessor. The objectives of site visit are to validate the data submitted by the institute and provide further opportunities for improvement and way forward. Number of sites visited will be decided by the Accredited Assessor in consultation with management authorities of Project site.
6. Assessment of final submittal received from project team and release of final review indicating the accrued rating level:-
The assessment team will report their findings to the judges panel which review, award the rating to project site and green existing building Rating system certificate unit.
7. Award of certification with 3 year validity:-The rating shall be valid for 3 years. Three copies of certificate (in original) shall be issued for green building rating system certification (Intermediate surveillance audit to be insured by International GBC if required).
8. Feedback report :- The Accredited Assessor will submit a feedback report to project site on the findings of green building rating assessment indicating the current performance, best practices and opportunities for further improvement in green as given below :-
a) Overview of assessment on findings
b) Best practices/ strengths in green building system
c) Opportunities for improvement in each green building rating criteria
d) Scope band for each criteria and overall score band.
e) Information on maximum scores of other companies in each criteria
