Let’s talk about BIM. The abundance of conferences, standards, training sessions, and competitions demonstrates the strong momentum driving the entire architectural design market. Whenever a new project begins, the first question asked is whether this time we will employ BIMin our work.
BIM has gained popularity in the industry due to its combination of visual impact and practicality. However, the hype and rapid growth have also sparked skepticism, with some questioning whether BIMis just a passing trend that will soon fade away.
In any case, BIMis gradually being recognized as a valuable tool.
As a BIMpractitioner, I hope to provide a more objective analysis of BIMand offer insight into its workflow.
Once a project is finalized, designers typically begin developing the plan. At this stage, BIMprofessionals step in to assist designers in refining the plan. But how exactly do we provide this assistance?
There are two main approaches:
1. Build a precise model based on the finalized plan according to its formation logic, or import the finalized model into a universal format. Then, analyze it using relevant BIMsoftware and adjust it based on the designer’s feedback, facilitating iterative plan optimization. In this role, BIMacts as a technical facilitator.
2. Collaborate directly with designers to develop the plan. Designers focus on conceptual, logical, and strategic decisions, while BIMersare responsible for implementing these ideas. In this sense, BIMersparticipate actively in the design process, serving as implementers of concepts.
imageone Phoenix TV Beijing Headquarters Plan Stage
From this perspective, regarding scheme design, if BIMcontinues to evolve along the first approach, it might become an industry in itself. This could lead to the establishment of dedicated BIMdepartments within many companies or even specialized BIMfirms similar to foreign consulting companies. On the other hand, if BIMdevelops along the second approach, it is likely to become a true designer’s tool, much like the transition from freehand drawing to CAD. Even so, this transformation is still in its early stages.
As the project moves into the construction drawing phase, BIMsupport functions increasingly become platform-based.
Firstly, BIMserves as a communication platform across disciplines, facilitating more intuitive coordination and collaboration.
imagetwo Phoenix TV Beijing Headquarters Overall BIM
imagethree Phoenix TV Beijing Headquarters BIMIntegrated Local
imagefour Hangzhou Olympic Sports Center BIMIntegrated Local
imagefive Various Disciplines of Chongqing Real Estate Building BIM
Secondly, BIMaids in generating drawings. Today’s projects often involve complex buildings with intricate intersections between different disciplines. Using model sectioning, we can identify planar relationships in these areas. For irregular structures, detailed floor plans, elevations, and sections are essential; without them, generating construction drawings using traditional 2D software is nearly impossible.
imagesix Phoenix TV Beijing Headquarters BIMAuxiliary Construction Drawings
imageseven Hangzhou Olympic Sports Center BIMAuxiliary Construction Drawings
Finally, the most crucial function is collision detection—also known as verification—which includes tasks like determining ceiling elevations. In my opinion, this is currently the core strength of BIMand a universal gateway to future advancements.
Figure 8 Collision Report
Platform-based BIMfunctions like a “smartphone”—offering flexibility and personalized capabilities for specific projects. These might include curtain wall panel analysis (covering cost budgeting, classification, simplification), steel structure analysis (simplification, calculations, data output, installation space positioning), fire water cannon layouts, and landscape water volume analysis for irregular buildings. However, while a “feature phone” can solve many problems, a “smartphone” enables far more advanced functions.
Figure 9 Phoenix TV Beijing Headquarters BIM Personalized Requirements
Figure 10 The Relationship Between Air Ducts, Cable Trays, and Steel Structures at Hangzhou Olympic Sports Center
From this viewpoint, BIMoffers significant innovation. It not only changes workflows but also provides new types of analysis reports and customized charts that assist construction projects. This greatly improves drawing quality and project standards before construction, while also simplifying the construction process.
imageeleven Phoenix TV Beijing Headquarters BIMOutputting Steel Structure Spatial Coordinates
However, to fully leverage these advantages, BIMhas its limitations—primarily, how accurately it reflects reality. We can measure this by the “degree of simulation.”
The accuracy depends on multiple factors. BIMacts not only as a downstream tool in design but also as a communication platform and data hub among various disciplines. Errors or gaps during data input, model creation, or output stages can all affect the final results. For example, if a pipeline design is unreasonable but does not cause collisions, logical verification within BIMis necessary to catch such issues; otherwise, these errors may reach the construction site unnoticed. Incorrect or inconsistent models also fail to guide construction accurately. Usually, repeated coordination among professionals helps eliminate most model errors before construction. Errors in programming logic or data processing during output can also negatively impact the results. Avoiding such errors is a key responsibility of BIMers.
Undoubtedly, to maximize BIMutility, we must ensure a high degree of simulation and foster cooperation among all parties involved. In this way, BIMcan encourage teamwork and reduce unnecessary inter-professional friction, acting as an effective mediator.
After completing construction drawings, BIMand the related 4D simulations come into play. Currently, these are mainly used for visualization, but integrating them more deeply with later operations could mark a major breakthrough in BIMdevelopment. Additionally, cost-related 5Dapplications are gradually being incorporated into project management.
imagetwelve Developed for a Confidential Project 4D Experience
BIM technology relies heavily on designers but can inspire greater creativity, logic, and control over projects. If BIMdevelops sustainably, it could become a central “CPU” environment for processing and consolidating information.
Regardless of the outcome, one thing is clear: BIMdoes not bring fundamental innovation as some claim—it is more an improvement that influences how the construction and real estate industries operate. While using BIMdoes not guarantee project success, most high-quality future projects are likely to adopt it.
BIM outcomes vary greatly depending on the project and its requirements. The results might be critical, directly impacting construction, or they may appear as added value. In some projects, BIMprovides auxiliary drawings and charts that support construction; in others, it serves mainly as a communication and coordination tool among different disciplines. This variability has led some to question BIM’s usefulness.
However, what new technology emerges without controversy? With the increasing number of
BIM
institutions, experts, and standards, my advice is simple: focus on doing
BIM
work diligently and embrace the dynamic, sometimes chaotic environment where innovation thrives.
Must log in before commenting!
Sign Up