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information generation in BIM
models of disciplines.
This further leads us to the
conclusion that special
attention must be paid to the
field of data and information in
BIM models because the
transfer of BIM disciplines
models by the designers of
disciplines to the contractor, as
well as the transfer of BIM as
built model by the contractor to
the investor ensures
consistency in the BIM model of
the digital twin.
And what is most important to
me, the investor thus, through
BEP and hiring an experienced
BIM Manager, gains complete
control over the consistency of
the process of BIM modelling
and generating data and
information in BIM models, and
thus gains confidence in the
data generated at the end of
the as built project, ie. at the
beginning of the digital twin life
cycle.
By Optimizing The
Multidisciplinary
Coordination Of The
BIM Discipline
Models, The
Investor Achieves
Great Savings
Let’s start on this topic with one
simple question. Is full
coordination between the BIM
models of disciplines expected at
the end of the project conceptual
phase? The answer is extremely
simple and it says no. It should be
borne in mind that at the
conceptual design stage, BIM
disciplines models are located in
the very early project phase and
that major changes are possible,
both in the conceptual design
phase and in subsequent phases
of the project. The same answer
can be expected for all
subsequent phases up to the as
built project.
Namely, even in the construction
phase of the project, it is not
expected that all BIM models of
disciplines are perfectly
coordinated and do not have the
slightest collisions (Zero clash
model), as it often happens that
changes occur on the
construction site due to
unforeseen circumstances -
justified or unjustified. The BIM
multidisciplinary model of the
construction phase of the project
can be said to be the "liveliest"
and to be the one to experience
the most changes. It also requires
daily coordination due to the high
cost of every mistake on the
construction site and so on until
the construction is performed
satisfactorily. In the end, we can
conclude that an ideally
coordinated BIM multidisciplinary
model is expected only in the
as-built project, which is also an
excellent basis for the model of
the digital twin of the building.
And what is the connection
between BEP, investors, savings
and coordination? Well, the
answer is simple and I am going
to give it through a practical
example. Suppose a scenario
where an investor in BEP stated
that in the main project the
frequency of VDR - Virtual Design
Review is once a week. This
exposes the investor to
unnecessary additional costs, as
It may not be necessary, but I
am going to mention that the
digital twin model of the
constructed building and the
ownership of it should most
often be the ultimate goal of
the investor.
JAN 2021
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