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BIM - Building Information Modeling

What is BIM?

BIM is a work process allowing for all those concerned with the construction of a building to better communicate with each other, based on a proven informed digital model. There are several BIM software packages available. The majority of BIM projects are developed and managed in 3D, but BIM is not simply software or a 3D model, it is a total work process.

BIM is the process of generating and managing data about the building, during its life cycle.

What is a BIM model?

A BIM model is a 3D model of a building to be built. This BIM model contains “intelligent” components ( like doors, composite walls, ) containing essential information : Dimensions , weight, different colors , materials , manufacturer’s details  and logo, the norms to which this object responds (BS,CE,NF, etc.. ) it’s thermic performance….

One of the main attributes of a BIM model is the fact that it’s self-aware i.e. as opposed to ordinary (3D or 2D) CAD models, a BIM model has artificial intelligence that allows it to understand what the building is composed of.

BIM software can organize this information in a useful way and also allow these objects to interact between themselves and influence the entire Project.

A BIM model detects conflicts, since all the BIM model’s components have an artificial intelligence, They will alert the planner in case they are not placed properly or if there is a problem in the model.

BIM model
BIM model

Main advantages of BIM

The incentive to invest in BIM lies in the economies that the user can make by using a BIM method for planning and managing the life of a building or infrastructure.

  • Less risk of errors
  • Planning takes less time and is lower cost

Advantages for architects

  • BIM software enhances performance and reduces the possibility of errors occurring on a given project.
  • BIM components provided by manufacturers allow architects to better assess the impact of building materials on their projects.
Advantages of Building Information Modelling

European Union Public Procurement Directive (EUPPD), 15 Jan 2014

An increasing number of governments around the world demand now the use of BIM method for public construction projects.

The European directive allows the 28 member states of the EU to make BIM method mandatory starting from January 1st 2016.

France, Germany and UK have already started deploying a BIM reform on their respective territories, In Scandinavia, with the exception of Sweden and Iceland all countries already have a BIM reform in effect, whilst the Netherlands was one of the first to deploy such a reform back in 2012.

Read the full text of the Directive in the Official Journal of the European Union (OJEU) in English

Article 22(4) refers to BIM: "For public works contracts and design contests, Member States may require the use of specific electronic tools, such as of building information electronic modelling tools or similar….”

European Union Public Procurement Directive (EUPPD)