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Sustainability with DGNB and commissioning in construction projects

When you use commissioning, you optimise the sustainability and energy efficiency of your construction projects.
Commissioning is often required to achieve a sustainability certification.
  1. What is sustainability in construction projects?
  2. Sustainability certification for buildings
  3. DGNB and the commissioning process
  4. DGNB Platinum, Gold, and Silver
  5. Cx and DGNB
  6. A sustainable focus: a must-have
  7. Platinum certification: Commissioning and DGNB

What is sustainability in construction projects?

The term "sustainability" often encompasses three related topics:
  1. Environmental sustainability
  2. Social sustainability
  3. Economic sustainability
In the construction industry, people often choose to focus on sustainability in order for the finished building to achieve a sustainability certification.
When a building is certified sustainable, its value typically increases, and it can begin to attract investments using its classification in the EU Taxonomy.
Sustainability illustration by Alena Koval

Sustainability certification for buildings

Construction projects typically aim for one of three primary sustainability certifications:
  1. DGNB, Green Building Council
  2. BREEAM, Building Research Establishment
  3. LEED, Leadership in Energy and Environmental Design
All three focus on making buildings more sustainable, but their approaches are distinct. Each certification programme also has different emphases, since they were developed in different countries.
That said, all three programmes reward developers for using commissioning to varying degrees.
In the United States, commissioning was implemented during the energy crisis of the 1970s, as it was discovered that commissioning resulted in improved energy efficiency and operational processes. This is shown in the illustration below:
Illustration showing the maintenance costs on a project with and without commissioning, where the costs decreases significant with Cx.

DGNB og Commissioning processen

DGNB imposes explicit Cx process requirements in section PRO2.3. The DGNB guide's goal is to promote efficient handover of the finished building and to ensure that its installations function correctly and in an energy-efficient manner.
The DGNB requirements are linked to the UN's Global Goals for sustainable development. The commissioning process falls under Goal 7, "Affordable and clean energy", and Goal 12.2, "Sustainable management and use of natural resources".
The 2020 edition of the DGNB manual imposes DS 3090 and ASHRAE Std202 requirements in a slightly stricter approach to Cx.
The commissioning requirements are divided into two groups: "Measurement and recording, revision, and performance testing" (up to 50 points) and "Commissioning" (up to 60 points).

Measurement and recording, revision, and performance testing

These requirements are related to conducting functional and performance testing.
  1. A plan must be developed for measuring and monitoring technical installations, ensuring that the number of measurement points is sufficient to test each installation's functionality. All system elements are subjected to functional testing per the requirements in the Danish Building Regulations. (30 points)
  2. Additionally, cross-disciplinary and system-orientated performance tests beyond the scope of the functional testing requirements in the Danish Building Regulations are performed. (50 points)


The requirements for the commissioning process itself are in line with the Danish standard DS 3090.
  1. Documentation of the establishment of a commissioning organisation in charge of commissioning activities up to and including the 1-year review (+10 points)
  2. Documentation of the fact that the commissioning organisation's manager and professionals are employed by a company not involved in the design and execution of the construction (i.e. if, for example, construction management is tendered separately, the commissioning manager may work for the construction management company provided that the same company is not involved in design and execution) (+10 points)
  3. Documentation of measurable commissioning requirements and periods reserved in the primary construction schedule for all DS 3090 activities, including their dependencies on the completion of planned design and execution activities (+10 points)
  4. Documentation of the existence of a project basis and the performance of cross-disciplinary commissioning reviews of the project proposal and primary plan (+10 points)
  5. The commissioning process is conducted with ongoing revisions and adjustments for the first 14 months of operation, or it is agreed upon that this procedure must be completed. Complete documentation has been prepared, or it is agreed upon that such documentation is to be prepared. Functional and performance inspections are also conducted to ensure that the client's particular requirements have been met. A concept has been implemented to ensure that use is continuously monitored and optimised (+10 points)
  6. Documentation that, in addition to the execution of a complete commissioning process, a plan exists for the performance of ongoing commissioning activities, including monitoring-based commissioning, as well as an organisational diagram for the organisation which is to take over for the organisation in charge of the initial operating period after one year of operation (+10 points)

The DGNB's commissioning documentation requirements

The above requirements are presented in the commissioning section of the DGNB manual, and all of them must be documented. The documentation requirements request reports from tests performed and documents specified in DS 3090.
If you use CxPlanner, you will automatically receive documentation for each requirement, allowing you to score the maximum number of points.

DGNB Platinum, Gold, and Silver

The DGNB certification programme is divided into three major categories: Platinum, Gold, and Silver. The more points you earn, the higher the certification rank you receive.
DGNB Platinum
DGNB Silver

Cx and DGNB

Construction projects must work with a DGNB consultant/advisor who can indicate where points may be scored. When commissioning is part of the process (and it always should be), that process must be planned, too.
If you use CxPlanner's template for the Cx process, you will already have unrestricted access to the test formats and documents that must be presented.
We have helped to build Cx processes for many DGNB projects, so it doesn't take much extra work to get a practical, easily integrated process.

Contact us if you:

  • Need to handle commissioning on a DGNB project
  • Want a Cx process that is practical and easy for your contractor to work with
  • Want to discover as many defects as possible early on
  • Want to score the maximum points on the DGNB certification

A sustainable focus: a must-have in Denmark

Christian Poulsen, vice president of Copenhagen Airports A/S, wrote the foreword to “A Practical Guide to the Commissioning Process“. The sustainability aspect is clearly present from the start:
Globally, there is a need for everyone to make use of sustainable solutions and minimise energy consumption in the future. The commissioning process is a useful tool in that regard, since it can be used to optimise and verify our energy consumption. We do this by focusing on sustainability when reviewing project materials, testing technical installations, and continuously monitoring energy consumption in our buildings.
The book and guide about the building commissioning process.

Platinum certification: Commissioning and DGNB

The DGNB certifications are administered by the Green Building Council Denmark. Certifications are awarded only to completed buildings. If you forget to align your requirements with those in the commissioning section of the DGNB manual, you will lose points.
You cannot implement commissioning after a building has been completed and still achieve the maximum score. By nature, the Cx process is best implemented in the early stages of a construction project.

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