BIM with IFC – further optimized by the ISD

Modifications to buildings frequently occur, especially when constructed from scratch. As soon as a drawing is updated, the actual completion can deviate from the original deadline. Also, modifications in the building stage will affect part quantities, e.g. the number of actually required doors after a changed building plan. If, in this situation, corrected part quantities and associated costs could be automatically synchronized and made available not just in the form of drawings, but also as data packages to all parties involved in the project, this success must be attributed to a concept called BIM.  

BIM allows an optimized planning and helps achieve a solid technical and organizational realization of economic goals: Parts of 3-D building shells are captured both virtually and digitally, visualized geometrically, linked to descriptive information and constantly synchronized. This future-oriented, computer aided design process requires a universal interface such as the one of the Industry Foundation Classes - IFC. This standard format developed by the non-profit organization buildingSMART gives all software producers full access to the IFC specifications for developing necessary import and export technologies.

The fact that the IFC implementation is a continuous, ongoing process can be seen by a short excerpt from its development history:

  • 1994: First steps for the development of the IFC format
  • 1997: Release of IFC-Version 1.0
  • 2000-2002: Development of the IFC prototypes 1.5., 2.0
  • 2007: Version IFC2x3-TC1
  • 2008: Version IFC2x3-TC1(a.k.a. IFC2x Edition 3) in practical use
  • 2013: IFC4 (formerly IFC 2x4)

The most recent version IFC4 contains a number of enhancements with geometric optimizations, and was certified according to EN ISO 16739 in 2016. The Dortmund-based ISD Group is a member in the interdisciplinary competence network “buildingSMART” – with the following result: HiCAD with its combined 2-D/3-D CAD approach allows an Open BIM-compliant data exchange via integrated IFC interface, which facilitates drafting and detailed technical design in civil engineering significantly.  For the sake of constant further optimizations of the exchange format IFC the ISD Group always stays in touch with its HiCAD users – a dialogue that often leads to technical innovations: For instance, you can use the Filter option to deselect all IFC classes to be excluded for imports and achieve an even more efficient and faster import of IFC files in this way. The permanently visualisable menu window gives you certainty about the lossless data exchange during transfer operations – Maximum transparency and customer proximity “Made in Germany”!    

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