How BIM is evaluated with various BIM Levels

There is technological evolution in construction industry. The construction industry is embraced with numerous technologies. Amid these technologies, BIM is considered as the game-changer.

With BIM it becomes easier to develop a digital prototype of a building. This feature enhances the flow of data during the progression of the building and as a result utmost productivities can be achieved.

After its emergence, BIM has undergone several changes which range from level 0 to level 3 (the most updated one). BIM has become more superior, more rationalized and more powerful in the past couple of years. Given below the brief description of BIM Levels.

Level 0 - Unmanaged CAD in 2D involving paper (or electronic paper) data exchange.

Level 1 - Managed CAD in 2D or 3D format through a collaborative tool that produces a common data environment together with a interchangeable approach to data structure and format. Commercial data is controlled with autonomous finance and cost management bundles with no consolidation.

Level 2 - A managed 3D environment constrains different discipline "BIM" tools by means of attaching data. Commercial data is controlled with enterprise resource planning software and incorporated with proprietary interfaces. This level of BIM may include 4D construction sequencing and/or 5D cost information.

Level 3 - A completely consolidated and collaborative process empowered with "web services" and adheres to nascent Industry Foundation Class (IFC) standards. This level of BIM will comprise of 4D construction sequencing, 5D cost information and 6D project lifecycle management information.

Image Courtesy: architect-bim.com

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Published By

Rajib Dey

www.bimoutsourcing.com

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BIM is an effective tool for 4D construction conflict management analysis

Now-a-days the various new aspects of BIM are emerging out. How BIM and 4D scheduling can bring huge benefits to construction safety, is the most controversial topic of today. There exists several incorporated technological and management practices which are associated with the site safety. At the initial stage, BIM comes with supreme accurateness and self-reliance in project documents which consecutively speed up the prefabrication process, minimize the time spent on site as well as reduce the possibility of on-site accidents.

4D scheduling facilitates the designer and project stakeholders to detect collisions at the initial design phase and examine congestion and accessibility more efficiently as compared to standard Gantt charts.

The most striking features of 4D schedules are that, they are different from a static building model and remain in a dynamic state; identical to the building itself. By relating time to structural components, a structural engineer gets the ability to perform structural analysis associated with time through the actual BIM model. If this is undertaken at initial design stage, it may find out the desirable material and the construction methodology with the purpose of saving time and money.

There are 3 fundamental elements of safety in 4D scheduling:

• 4D structural safety analysis.
• 4D construction conflict management analysis.
• 4D layout collision analysis and management.

It is assumed that these types of extensive rules for 4D scheduling could significantly enhance the safety inside the construction industry.

BIM contains algorithms to produce rule based checking systems for safety which is the prospect of this technology. The algorithms entailed on the basis of existing legislation and best practice. As for instance, 4D scheduling of definite site risks, may imply warning signage or tape or in the case of more serious risks, handrails.

  

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Published By

Rajib Dey

www.bimoutsourcing.com

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