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 Building Information Modeling (BIM) is the process of
generating and managing building data during its life cycle. BIM
involves representing a design as objects – vague and undefined, generic
or product-specific, solid shapes or void-space oriented (like the
shape of a room), that carry their geometry, relations and attributes.
BIM design tools allow for extracting different views from a building
model for drawing production and other uses. These different views are
automatically consistent - in the sense that the objects are all of a
consistent size, location, specification - since each object instance is
defined only once, just as in reality. Drawing consistency eliminates
many errors. Typically it uses three-dimensional, real-time, dynamic
building modeling software to increase productivity in building design
and construction.
 The use of BIM goes beyond the design phase of the project and takes an
important role during the construction phase of a project as well as the
post construction phases and facility management. The entire purpose of
BIM was to make the construction process more efficient and eliminate
as many uncertainties as possible before starting the construction
process.
The concept of Building Information Modeling is to build a building
virtually prior to building it physically, in order to work out
problems, and simulate and analyze potential impacts.
BIM offers:
- Improved visualization
- Improved productivity due to easy retrieval of information
- Increased coordination of construction documents
- Embedding and linking of vital information such as vendors for
specific materials, location of details and quantities required for
estimation and tendering
- Increased speed of delivery
- Reduced costs
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