Commissioning

Per Section 101.4.9.3 of the 2013 DC Building Code, commissioning is required for projects subject to the 2013 DC Green Construction Code that are either (1) new construction^, (2) level 3 alterations, or (3) level 1 and 2 alterations 50,000 square feet or greater*.  Commissioning shall be done in accordance with Section 611 and Chapter 9 of the DC Green Construction Code (DC-GCC), and shall use the ICC G4 as a guide for Commissioning. 

Systems to be Commissioned are outlined in Section 611 and Chapter 9 of the DC Green Construction Code (DC-GCC.) This included new systems, relocated systems, and Existing systems serving new spaces or with new performance characteristics or set-points. For example, an existing VAV-box serving reconfigured offices should be included in the commissioning process for DC-GCC.

Approved Commissioning Agencies

Per Section 902 of the DC Green Construction Code, the “code official” determines the required qualifications for an approved commissioning agency.  The approved agency must lead, review and oversee the completion of all commissioning process activities for the project. 

An approved agency can either be a “registered design professional” meeting the following requirements;

  1. Must be independent of the work of design and construction of this project (though may be an employee of the project design firm).

  2. Must not be an employee of, or contracted through, a contractor or construction manager holding construction contracts of this project.

  3. Must have prior experience commissioning a minimum of two (2) projects of similar scope. in this case, at a minimum two Commissioning reports of similar nature to the commissioning required for specific GCC project proposed to conduct CX on, must be provided to DCRA Green division for review prior to being authorized to conduct CX for DC-GCC.

  4. May be an employee or consultant of the owner of this project meeting the above requirements.

Or must meet the following credentials:

  1. Must be a Certified Commissioning Professional certified by one of the following commissioning provider certification agencies:

    • Building Commissioning Association (BCA), Certified Commissioning Professional (CCP)

    • Building Commissioning Certification Board(BCCB)- Certified Commissioning Professional -CCP

    • ASHRAE, Commissioning Process Management Professional (CPMP)

    • ASHRAE, Building Commissioning Professional Certification (BCxP)

    • AABC Commissioning Group, ACG, Commissioning Authority (CxA )

    • National Environmental Balancing Bureau (NEBB), Building Systems Commissioning (BSC)

    • Association of Energy Engineers (AEE), Certified Building Commissioning Professional (CBCP)

    • University of Wisconsin -Accredited Commissioning Process Manager (CxM)

    • University of Wisconsin - Accredited Commissioning Process Authority Professional (CxAP or CAP)

    • University of Wisconsin - Accredited Green Commissioning Process Provider (GCxP or GCP )

  2. Must be independent of the work of design and construction of this project (though may be an employee of the project design firm).

  3. Must not be an employee of, or contracted through, a contractor or construction manager holding construction contracts of this project.

  4. May be an employee or consultant of the owner of this project meeting the above requirements.”

List of Approved Agencies

  • CTI Consultants, Inc.**

  • GPI**

  • Sustainable Building Partners(SBP)**

  • Steven Winter Associates**

  • A2 Services

  • Above Green

  • Advanced Building Performance

  • AKF

  • ARUP

  • Baumann Consulting

  • BKM

  • Budova Engineering

  • Building Energeticx

  • Cadmus

  • Complete Commissioning

  • CPM Scheduling, LLC

  • CTA

  • Dewberry

  • DLR Group

  • E2S (Energy Efficiency Services)

  • GHT

  • HBS Solutions

  • Healthy Buildings

  • Jacobs Engineering

  • KTA Group Inc.

  • Lilker EMO Energy Solutions

  • Loring Consulting Engineers

  • MaGrann Associates

  • MEP Solutions

  • Paladino and Company

  • The Stone House Group

  • Thomas Baker + Associates

  • WFT Engineering

  • WSP

  • 4C Solutions

**Has attended commissioning training held by DCRA.

^ New construction includes additions of over 10,000 sf, and all first time tenant fit-outs, as they are completing the new construction of the building.

*Projects pursuing compliance under an alternative compliance pathway (e.g. LEED, Enterprise Green Communities, ASHRAE 189.1, NGBS/ICC-700) per Section 101.4.9.4 of the DC Building Code, or are subject to the Green Building Act will have specific commissioning requirements per the selected pathway.  Please review the requirements of each program.

Interested in being listed as a DCRA-approved commissioning agency?  Email green.building@dc.gov

Approved Commissioning Sampling

Project teams and Commissioning Agents (CXa's) wanting to implement sampling during Commissioning, shall follow the RESNET Sampling Protocol, including for multiple identical systems commissioned within a 30 day period:

1- full commissioning of the first seven, if one or more of the first seven record a failure (failed PFC or FPT), Commissioning of every unit until 7 consecutive passes are recorded.

2- sampling one out of every 7, after the first 7, if the fist seven do not record a failure is allowed. 

2.1- if one PFC or FPT records a failure within a sampling set, an additional two from the 7-set shall be commissioned. If one of these two record a failure, the remaining 4 in the set shall be commissioned. Continue Commissioning  all systems at random until seven consecutive passes are recorded is required before Sampling is allowed to be implemented again.

3- when Sampling, the chosen system to Commission shall be chosen at random out of the sampling set by the CXa.

Any Sampling rate proposed and/or implemented shall be clearly outlined and recorded on all CX plans and Reports.

Elements of a Commissioning Report 

Per GCC Section 611, a commissioning report must include the following:

  1. Completed Pre-Functional Checklist

  2. FPT- Results of Functional Performance Testing

  3. Issues Log- Disposition of all deficiencies including details of corrective measures used. Include issues resolved and issues outstanding.

  4. TAB Report- Full Balancing Report