BUILDING INFORMATION MODELING ,BIM

WHAT IS BIM

 

Building Information Modelling, BIM is one of the most promising recent developments in the architecture, engineering and construction (AEC) industry. BIM uses a digital model that incorporates information and parameters related to building form, structure and systems. When completed, the building information model contains precise geometry and relevant data required to support the design, procurement, fabrication, and construction activities necessary to realise the building.  After completion, the digital model can be used for building management. 

 

There are many definitions of BIM. Some highlight that BIM is a process, others focus on the techology aspect. The main thing to consider is that BIM is a holistic approach towards design and construction process. Here are some definitions of BIM:

"Building Information Modeling (BIM) is an intelligent 3D model-based process that gives architecture, engineering, and construction (AEC) professionals the insight and tools to more efficiently plan, design, construct, and manage buildings and infrastructure", (Autodesk). 

"Building Information Modelling (BIM) is a set of technologies, processes and policies enabling multiple stakeholders to collaboratively design, construct and operate a Facility in virtual space. As a term, BIM has grown tremendously over the years and is now the 'current expression of digital innovation' across the construction industry", (BIM Excellence, BIM Dicitonary).

Click to view video: Defining BIM

INFORMATION TECHNOLOGY AND CONSTRUCTION

 

The building industry has traditionally illustrated building projects through drawings and added information over those illustrations via notes and specifications. CAD technology automated that process, but object oriented CAD systems depend on  2D and 3D building graphics and they are not fully optimized for creating and managing information about a building. 

 

Building information Modeling process changes this relationship and today the virtual building is being used as the information database, available for use and reuse at any stage of the project. Collaboration goes deeper and a structured, measured and comprehensive approach to team working is being developed. BIM has a fixed set of processes and procedures to guide users and participants on how best to employ collaborative methods. Design coordination is an in-depth process and BIM’s regular data exchanges ensure that the whole team is working on the same, and most up-to-date, model. 

Click to view video: BIM Value at every stage

BIM BENEFITS

There are significant benefits of BIM in the construction industry and the built environment. Several case studies show that BIM increases productivity, reduces errors and repetition of work and improves cost and time control. BIM helps architects, engineers, and contractors visualize what is to be built in a simulated environment to identify any potential design, construction, or operational issues. BIM empowers owners to undrestand design projects, reduce construction and lifecycle costs and improve building quality. Here are some of the greatest benefits of BIM in costruction:

  • Efficient collaboration 

  • Design control and reduced design errors

  • Better documentation and cost control

  • Reduced errors and omissions in the construction phase

  • Reduced project and construction duration

  • Project delivery on time and on budget

Click to view : "The value of BIM for owners"

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