Building Information Modelling (BIM) is the process of integrating
different aspects of construction into a single system. The extensive use
of computers in the construction industry has played an important role in the
widely usage of BIM software such as Revit. BIM has many advantages i.e. it is
being used to reduce construction costs by optimizing material usage and also
increase efficiency. BIM, being the future of the construction industry with so
many advantages however certainly has setbacks at present.
Major issue of BIM development at present is the cost. The software
itself is expensive hence it is not used by companies with small budgets. Also,
smaller construction projects have less profits which in comparison to the cost
of the software is not feasible. Use of BIM also requires extensive training of
the employees in usage of the specified software hence adding more costs of
operation. For companies which have been working primarily with CAD software or
hand drawings will suffer additional costs to convert projects to BIM format.
Interoperability costs also arises, this is a major problem at present.
Communication between different software is very limited because file formats
are not supported across various platforms. When architects, engineers and
construction managers want to share construction files for a project suffer
major interoperability issues if they are all using different programs.
BIM model can be shared by many
parties hence engineers, architects even construction managers can contribute
to the model this tends to compromise the accuracy of the project. A small flaw
or mistake in the model can have an impact on all the parties that are sharing
the same file and working on the project.
BIM also creates a problem of ownership/legality. In this case, since a
BIM file is shared by many parties this can create confusion when it comes to
the ownership of the BIM file. Legal claims can lead to result unnecessary
costs to the project.
References
http://construction.about.com/od/Trends/a/Building-Information-Modeling-Risks.htm
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