Wednesday, 2 December 2009


Figure 4.4: Design productivity during BIM system implementation. Source: Autodesk (2006)

As with any new technology implementation, one may experience a temporary loss in efficiency as the project team comes up to speed. In the case of implementing a Building Information Modelling approach, time invested is paid back in multiples. (Autodesk, 2006). In further identifying the return on BIM investment Karsren (2006) was able to highlight the many benefits to be realised in chapter 3.

Construction Computing Online (CCO, 2006a) has mentioned that the architectural sector is fully aware and embraced the benefits of 3D modelling. They further stated that the inherent logic of designing a building as a three dimension object is unavoidable because of its application to the whole construction process. With this it is possible for example to have a fully interactive 3D construction based model where estimating, scheduling, procurement and site management tools can be integrated. (Construction Computing Online CCO, 2006a)
Because BIM mimics the real building, benefits on the design side can be fully realized. The application of BIM at design stage generate the ability for designer to understand the relationship of the building and its system instantaneously in term of functionality , aesthetics and programming issues.(Goldberg, 2004)
Heller (2006), Karstens (2006) and Hill (2006) highlighted the benefits of 3D modelling with respect to cost reduction, accelerated design process, automatic generation of quantity take-off, the accuracy of the model and ability to communicate effectively with stake holders and subcontractors, plus the incorporation of the whole life cycle cost of the facility and better collaboration in the design and construction process.

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