The common perception is that BIM is applied only during a specific stage of a project, which represents a narrow definition of BIM. However, when BIM is utilized throughout the entire lifecycle of a construction project, it is referred to as generalized BIM. The narrow definition focuses on Building Information Modeling as a preliminary concept, typically applied in isolation during a particular phase or process of a project, such as building design or collision detection.
In a broader sense, BIM encompasses three key aspects:
(1) BIM as the digital representation of all facility information—a data-rich electronic model that acts as a virtual substitute for physical assets and serves as a shared information resource. This is commonly known as the Building Information Model or BIM model.
(2) BIM as the process of creating, refining, and utilizing these information models based on open standards and interoperability. All stakeholders involved in the project can insert, extract, update, and modify information within the model according to their roles, supporting the diverse needs of the facility. This process is referred to as Building Information Modeling or BIM modeling.
(3) BIM as an open, scalable, searchable, and sustainable collaborative environment where all project participants communicate and share information in real time throughout the facility’s lifecycle. By analyzing this shared data, making informed decisions, and improving delivery processes, the project can be effectively managed. This aspect is known as Building Information Management.
Among these three aspects, the second is the most critical, as it emphasizes the continuous application of information to enhance the model throughout the building’s entire lifecycle—highlighting BIM’s core value. At its heart, BIM is about “information,” which integrates these three components into a cohesive whole. Without information, BIM cannot exist.
BIM is continually evolving. Extending its application across the full project lifecycle—including design management, construction management, and operation and maintenance—greatly increases its value and broadens its scope.
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