The editor of the BIM Building Training Network would like to share insights based on the characteristics of BIM and some practical challenges encountered during the construction process. The goal is to enhance everyone’s understanding of BIM.
First and foremost, the most noticeable feature of BIM is its ability to visualize design outcomes. When working on large and complex projects, it can be difficult to envision the entire structure based solely on 2D drawings at the initial stage. However, with a 3D BIM model, you can instantly see what the building will look like and examine every part from all angles, including intricate details.
For example, in one of our projects, there is a soft film ceiling with a unique shape. Although we have 2D drawings and renderings, it remains challenging to fully grasp its appearance or communicate the details clearly to construction personnel. Construction work can be complicated as a result. With a BIM model, the process becomes much simpler: you just need to locate the component and observe it from every perspective—above, below, left, and right. This greatly aids in guiding the construction.
If the owner can review such a model before construction begins, they can see the completed building in advance. This allows them to identify any unreasonable or unsatisfactory aspects early on and make adjustments accordingly. This proactive approach significantly reduces changes due to dissatisfaction later in the project, ultimately lowering costs.
For instance, in our current project, the main structure is complete, and interior decoration is underway. When the client took over the site, they found numerous issues and requested modifications—such as removing walls, altering ceiling construction methods, resizing door and window openings, and changing the overall layout. These changes stemmed from the client’s lack of prior understanding of the finished building’s appearance.
In summary, by using professional software to create a 3D information model, we obtain a virtual representation of the completed project. BIM provides visual effects and perspectives that traditional two-dimensional drawings cannot offer. Additionally, it supports efficient construction management, reduces rework, controls costs, and contributes to green, environmentally friendly, and low-carbon building practices.
Secondly, BIM enables us to verify the performance of the model. Using this feature, we can assess whether the building’s structure meets load requirements, whether indoor radiators provide adequate heat dissipation, and whether lighting fixtures deliver the necessary illumination to satisfy the owner’s needs.
Some might argue these details are minor, and issues can be addressed later. However, for large-scale projects, discovering problems late inevitably results in material waste and significant rework, which greatly increases unnecessary expenses.
That’s all for today. We will continue tomorrow.
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