The project team must carefully consider the deliverables required by the project owner. As the project delivery phase advances, it is essential to keep track of deadlines and ensure the timely submission of any specific materials requested. Upon completion of the construction project, any project that has passed the final acceptance inspection should be formally handed over to the owner. Simultaneously, the BIM-based project construction must also deliver the BIM project results.
When delivering BIM results, the following key deliverables should be thoroughly addressed:
(1) Recipient of Information: Identify the authenticity of the information to be received and recognize all participants involved in the BIM technology application throughout the project execution phase.
(2) Model File Type: Determine the software and hardware platforms used in BIM technology applications. This is crucial for ensuring data compatibility and seamless sharing between different BIM software tools.
(3) Classification Standard for Building Components: Use a standardized classification system for construction model data. Currently, domestic projects may adopt the UniFormat classification standard commonly used in the U.S., or the newer classification standards outlined in the National BIM Application Standard of the United States.
(4) Level of Detail (LOD): Define the level of detail for the model information based on established rules and standards. For example, the American Institute of Architects (AIA) LOD guidelines specify the requirements for BIM model development.
(5) Model Annotation: Provide clear explanations for any ambiguities in the model according to the above criteria. This also includes a list of requirements for exchanging partial information, ranging from design-phase modeling to cost estimation and 3D coordination across various disciplines.
The quality and quantity of information contained in BIM deliverables are paramount. Since different project stages demand varying types of information, the properties of BIM components will differ accordingly throughout the project lifecycle.
Before handover, it is essential to archive and securely save the BIM model. All outputs generated by the BIM model—including published, discarded, and finalized data—should be stored in the project’s official folder.
Additionally, at every major project milestone, a complete set of BIM data and related deliverables must be copied to a dedicated archive location as an unchanged backup. It is recommended that the BIM archive consist of two main sets of documents:
- A collection of individual discipline BIM models and associated deliverables received from various model creators.
- A summarized set of these individual discipline BIM models, stored in a format optimized for archiving and easy viewing.
Moreover, robust data security and storage protocols should be implemented. These protocols must protect against data corruption, virus infections, misuse, or intentional damage by project team members, other employees, or external parties. User access permissions should be strictly controlled to prevent data loss or damage during data exchange, maintenance, and archiving.
Finally, BIM project data stored on network servers should be regularly backed up to ensure data integrity and availability throughout the project duration.
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