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SUSTAINABLE BUILDINGS

Asset Classes

Focus Area

Energy and Carbon

Topic

O&M Optimization

Question #

E6.1 — Retro-commissioning Investigation

Question

Has an Existing Building Commissioning, Recommissioning or Retro-Commissioning Investigation or Operational Optimization Study been completed in the last five years?

Applicability

Applicable to Office, Healthcare, Enclosed Shopping Centre, Universal and Multi-Unit Residential buildings

Answer

Yes or No

Description

Existing building commissioning (EBCx) is an intensive process that tests, verifies and adjusts the operation of systems and equipment to optimize performance. This can be accomplished through periodic commissioning or operational optimization assessment and implementation by qualified professionals or on a continuous basis through automated fault detection and diagnostics (FDD). Commissioning will result in cost savings, energy reduction and carbon reduction.

Requirements

The Retro-commissioning Investigation or Optimization Study must include:

    1. Documentation, detailed site review and interviews with building O&M staff
    2. A review of the building automation system
    3. Preparing for and conducting system functional testing
    4. Sources of performance problems
    5. Energy conservation and/or carbon reduction measures with costing, simple payback and anticipated savings
    6. A demonstration that the investigation methodology applied is similar to the BCA’s commissioning best practices (see Other Notes)

Documentation

    • Existing Building Commissioning Investigation or Operational Optimization Study

Adapted BB3 Question

Question 01.03.06 — Are the equipment and energy systems regularly re- or retro-commissioned?

Suggested Lead

Third-party

References

Crosswalk

TBD

Other Notes

The commissioning methodology should at least align with the Building Commissioning Association (BCA)’s Existing Building Commissioning Best Practices in Chapter 3 — Investigation Phase

Scoring

3 Points

Verification