The BIM collaborative design approach is divided into two main types: working set mode and linking mode.

In the working set mode, each designer works within their own designated working set, synchronizing their model changes promptly to a central file. Designers focus on their specialized content or verify the feasibility of their designs based on their own work. If modifications to other disciplines’ content are required, explicit permission must be borrowed from the relevant designer before making changes.
However, in practical engineering projects, this mode often encounters issues such as forgetting to return borrowed permissions or failing to release them after use. This can prevent other designers from editing their own content, causing workflow delays.
The working set mode offers a high level of collaboration, allowing designers to easily edit shared content. Yet, its complexity makes managing working set permissions challenging, and synchronizing sets can lead to long wait times. To optimize this mode, consider the following:
- For large-scale projects, avoid using this mode across different disciplines to prevent slow model response caused by a large central file.
- Frequent synchronization with the central file is crucial to prevent duplicate work and data loss.
- Always release borrowed permissions promptly to avoid blocking other designers and ensure smooth progress.
In contrast, the linking mode requires each professional designer to work within a unified coordinate system independently. The individual design files are then linked together through the platform to form a comprehensive model. This mode is simpler to operate, requires fewer software and hardware resources, facilitates convenient data transfer from different locations, and runs efficiently.
However, linking mode has weaker collaboration capabilities. Communication between designers is more difficult, model updates and modifications are cumbersome, and permission control is limited. Additionally, issues often arise during model integration, such as difficulties with binding and unbinding linked models.















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