By Monika Filusch, Women in BIM Head of Regional Leads for Europe and CEO of FRESCON
Despite years of digital transformation efforts, BIM 4D is still widely misunderstood. Too often it is dismissed as “just an animation” of the construction process rather than recognised as a powerful planning and decision-making tool.
Ask people in the industry what BIM 4D is, and the most common answers are: “a video or animation of the construction process,” “3D models linked to the construction schedule,” closely followed by “just pretty pictures,” “only for tendering,” or “too expensive.”
The reality, however, is far more complex. Although awareness of BIM 4D or Visual Planning in the construction industry has increased significantly over the past three to four years, much of the industry has still not grasped its true meaning or value.
The problem is not the technology itself, but how we understand and use it. Too often BIM 4D is treated as a presentation tool rather than what it should be: a planning environment where project teams can explore, test, and improve how construction will actually happen.
About two years ago, I decided to stop using the term “BIM 4D” on its own. First, I was tired of hearing people say that BIM 4D is just pretty pictures, often followed by a bored, glassy gaze when I tried to explain its potential. Second, I began hearing the term “Visual Planning” more frequently among BIM 4D professionals.
So instead, I started calling it BIM Visual Planning, because that is exactly what it represents. It is not simply the fourth dimension ‘time’ merged with a 3D model. It is a broader planning process that deserves greater recognition for the value it can deliver when implemented properly.
So, what is it really?
In simple terms, BIM Visual Planning connects 3D models with time-based information such as construction schedules, as well as other elements critical to project delivery. These may include logistics planning, health and safety considerations, cost information, traffic management, and material delivery strategies.
These elements are analysed through workshops, simulations, videos, images and presentations with the goal of improving constructability, time efficiency, cost control, and safety.
In essence, it is a rehearsal of the project itself.
Many industries rehearse before execution. The automotive industry produces prototypes before manufacturing, and theatre productions rehearse extensively before opening night. In most areas of life we plan, rehearse, learn, and improve.
Construction rarely has that luxury. We cannot build a project once as a trial, learn from it, and then construct an improved version.
That is exactly where BIM Visual Planning comes in: it allows us to rehearse construction in the virtual world.
Just as BIM helps mitigate delays, improve design accuracy, detect clashes early, and enhance collaboration among stakeholders, BIM 4D delivers similar benefits but through the lens of time. It improves planning accuracy, reduces delays, and strengthens coordination across project teams.
Research over many years has shown that BIM 4D plays a critical role in improving decision-making in time-dependent aspects of construction and project management. A study published in 2025 identified 57 benefits of implementing BIM 4D across areas such as planning reliability, logistics optimisation, safety management, communication, and decision support (Ur Rehman, Mazher & Wuni, 2025).
Given these benefits, the question is not so much why BIM Visual Planning should be used, but when and how it can deliver the greatest value.
There is no one-size-fits-all solution. As with any methodology, project requirements must be assessed, objectives defined, and a strategy developed.
Depending on the construction stage and project goals, different inputs and measures are required, and certain conditions must be met to ensure success.
Inputs
Beyond the fundamental elements, such as a construction programme, 3D models, and defined construction and logistics methodologies, several additional factors are critical for successful BIM 4D implementation.
Input data must align with the intended objectives. The construction programme should be structured to allow further development and reliable progress reporting while reflecting the chosen construction methodology.
The same applies to the 3D models, which must be prepared accordingly. In many cases, additional models, such as logistics or excavation models, are also required.
Measures
To ensure BIM 4D delivers real value, the process must include clear measures and feedback loops. The goal is not simply to produce a visual simulation, but to improve planning quality and decision-making by identifying sequencing issues and conflicts early.
Equally important is integrating the 4D model into regular planning and review sessions. When used to test construction sequences, validate logistics strategies, and compare planned versus actual progress, the model becomes a practical management tool rather than a one-off visualisation exercise.
Conditions
The most important aspect of successful BIM 4D implementation, however, has very little to do with technology.
The right people must be involved throughout the process and engaged from the start. A common mistake is assuming this work is carried out solely by the BIM team and planners. In reality, many more project participants need to be involved, including project managers, logistics managers, subcontractor leads, and others responsible for delivering the work.
Most importantly, the people doing the work on site should be part of the process. They often have the most up-to-date knowledge and can quickly identify practical challenges, conflicts, and risks.
Ultimately, BIM Visual Planning is not about sophisticated technology or impressive animations. Its real value lies in bringing the right people together to understand how a project will actually be built.
The construction industry has long struggled with delays, inefficiencies, and coordination challenges. BIM Visual Planning offers an opportunity to change that by shifting planning from abstract schedules to shared visual understanding. It creates a common language that everyone on the project can understand without needing to interpret complex construction programmes or marked-up drawings. In that sense, BIM 4D is not simply a visualisation tool; it is a way for the industry to finally rehearse construction before it happens.
Read next: Shining a spotlight on women in construction – Build in Digital
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