The benefit of BIM 3D model for owners

3D BIM modeling is becoming more popular and popular in several years. Almost engineers, architects, project managers, contractors and other building services have accept it universally. Therefore they invest money and time on learning and piloting system.

However, we can see a lack of clarity among the clients, they all know the benefits of  BIM but don't know when and how to start and maintain to get the highest effecient. Most of the owners are still confused about the exact achievements of these models when compare with the investment cost. They are also not much aware on how to get optimum use of this concept.

Difference between traditional 3D Models and 3D BIM Modeling:
Firstly, before apply BIM to project, we have to know the difference between a parametric BIM models and non-BIM 3D CAD Models. 3D CAD Models are only virtual representations of a facility and it provides only visual details. 3D CAD Models that are created using applications such as AutoCAD architecture and AutoCAD MEP are useful for design, development, pre-fabrication and construction. But, BIM models are intelligent models, which contain rich information, and they are used for various stage of a construction project including design, detailing, pre-construction, construction, assembly, as-built and hand-over, facility management and analyzing energy performance. BIM is  also able to share details between project stake holders such as designers/architects, facility owners, fabricators, MEP engineers, contractors and consultants.

What are benefits of BIM for owners?
An in-depth understanding of the model’s purpose is necessary to decide whether BIM is actually required or not. Also, we have to understand that the clients’ real need and their stated needs. In many cases, clients say that they need a BIM model. But what they really want is a smart clash-free 3D model to extract respective construction drawings. In such situations, their needs could be fulfilled with the help of 3D BIM modeling using software’s like Revit architecture, Revit structure and Revit MEP. While the BIM coordination, clash detection and resolution could be optimally achieved by tools like Naviswork.
On the other hand, 3D BIM modeling may actually be the basis for planning, designing, constructing and managing a particular construction project in some cases. In such scenarios, multidisciplinary project stakeholders are required to access the model at various stages of a project lifecycle. Therefore, the richness of ‘information’ embedded into the model decides the success of any BIM-based project. According to the scope of the project, valuable information like dimensions of building elements, material requirements, quantity take-off data, costing, time scheduling, activity simulation, prefabrication data, and energy performance are contained in a rich 3D BIM Model.
As BIM is a more progressive approach to planning, designing and coordinating models and drawings, the AEC industry are required to shift from non-BIM 2D to collaborative BIM workflows, even though the clients do not demand.

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