IT & Software Modelling
A lot of the current usage of BIM does not go beyond straightforward 3D software packages, missing out on a powerful new way of designing collaboratively
> • Accessibility, adaptability and flexibility – compliance stages and during construction become obvious more
with access requirements and inclusion of all people easily, and can then be debated, and either accepted
and goods; or rejected.
• Sustainability and environmental performance; It is true to say that many of the benefits can be
• Energy efficiency and sustainable energy sources; achieved using straightforward three-dimensional
• Water and waste management. CAD packages. However, that is to misunderstand
Communication of design intent between all the true potential of a more wide-reaching approach
members of the design and construction team, spatial to BIM. A lot of the current usage of Building
coordination and clash detection are all enhanced Information Modelling does not go beyond the above
through the use of BIM in the design process. The objectives, and detractors of the BIM approach will not
outcomes are beneficial, influencing and informing have fully explored this powerful new way of designing
future thinking. An added benefit can be that the collaboratively. With a fully rounded approach to BIM,
communication of ideas to the client becomes much we are able to: The concept
easier. A three-dimensional visualisation is much • Inform the model through drawing upon calculation
of BIM has been
clearer and easier for a non design professional to packages about energy use analysis, renewable energy,
grasp than reading two dimensional sketches and and sustainability;
with us for more
some accompanying explanatory text (See Figure 2). • Deploy structural calculation packages to inform the than 20 years
At the same time, with structural, services and structural elements of the model;
but there are still
architectural information linked, the likelihood of any • Use building services design packages to inform
misunderstanding is reduced. Visualisation of the the mechanical, electrical and public health elements
limitations in
model in terms of location, mass, orientation, form and of the model, with particular regard to plant rooms, the effectiveness
envelope makes it easier to understand the impact of distribution risers and ceiling void layouts;
and
design upon thermal, visual and aural performance. • The project team can use parametric design to
As the iterative process of design proceeds, the ascribe information to objects (such as a column) in
interoperability
consequences of changes are transparent to all other the model so that a change to one object parameter of software.
design teams contributing to the building. In turn, will simultaneously change or flag up changes to all
The dream has
this makes it easier for the construction cost of initial associated objects. This allows engineers to assess what
proposals to be readily assessed. The costs of further will happen as a result of a change. Thus when one
not been fully
design changes suggested during the iterative design column location is moved, the team can see the results > realised yet
50 CIBSE Journal January 2010
www.cibsejournal.com
CIBSEjan10 pp48-50,52 Software.indd 50 17/12/09 16:08:41
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