The Commissioning Process technical startup and handover
The commissioning process is a quality assurance process that
documents and tests the quality of a building.
Commissioning, often abbreviated to Cx, has its origins in
the shipbuilding industry, where ships are tested before
going out on the ocean. This testing process has been adapted
to construction projects, and commissioning is now used by
private- and public-sector developers alike.
Buidling Commissioning is often a requirement on construction projects
Commissioning is a support process intended to help everyone.
Commissioning is often perceived as a paperwork-generating hassle.
If that's the case, blame the commissioning manager! The
commissioning manager's job is to ensure that the process
benefits everyone involved in a construction project.
Commissioning should lead everyone towards easier technical
implementation and an easier start of operation. The
commissioning process is a support process!
- Thomas T. Jarløv, Founder of CxPlanner
Read more articles on commissioning in the construction industry and the start of operation
We've gathered information about commissioning to prepare you
to handle the commissioning process—whether you're leading the
process or just participating in testing.
Everyone on the team behind CxPlanner has extensive practical
experience with commissioning in the Danish construction industry.
We've leveraged that background to compile a complete list of the
most important information about commissioning.
Commissioning is often applied tp the technical installations and
facilities in construction projects, so we know that the
installations have been tested and documented before handover
and the start of operation.
Ever more stringent requirements for buildings, such as those
from the government, LEED and like, set new standards for quality
assurance - and commissioning is a powerful tool in that regard.
The book on commissioning for global commissioning process
CxPlanner is based on the standard for commissioning by ASHRAE,
as well as the book "The
Practical Guide to Commissioning" written by Thomas T. Jarløv.
This means that with CxPlanner, you get all the Cx tools and
activities you need to manage a commissioning process from
start to finish.
At the same time, we've made sure our tools are practical and
easy to use, and each one has been tested on real construction
projects!
Cx: Building commissioning
Idea and planning phase
The Cx process needs to be implemented in the earliest phases of
a construction project. This is important, since Cx requirements
are developed in this stage.
Often, in the early stages, the project will not be very detailed,
and so the commissioning manager has extra work to do in detailing
the Cx requirements. Cx workshops are often held for this purpose.
Design phases
There are multiple components to the design phases, and the level
of detail of the Cx activities must be adapted to them. It is at
this time that the project materials are reviewed and inspected.
In the Cx process, a tool known as a "project basis" is used.
This is a specialised documentation tool for consulting engineers.
Execution
When execution begins, the contractor comes into the picture and
the construction of the building starts. During this phase, the
commissioning team does a lot of on-site work with the contractor.
Commissioning team specialists conduct Cx oversight and inspections.
Finally, cross-disciplinary tests are carried out to document that
the building complies with the Cx requirements.
Start of operation
In preparation for the start of operation, the Cx team must have
tested and verified the building's installations. This includes
"test-driving" the building in an operating trial, so there are
no surprises at the end of the project.
Once the building is in use, it must be ensured that the operating
personnel have the skills and documentation needed to operate the
building.
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