What is a "BIM Model"? | The B1M

Introduction

This tutorial explains what a Building Information Model (BIM) is and how it functions within the construction industry. Understanding BIM is essential for anyone involved in construction, as it represents a modern approach to project management that enhances efficiency and collaboration.

Step 1: Understand the Concept of BIM

• BIM stands for Building Information Modelling, which is a process rather than a physical object.
• It involves creating and managing digital representations of the physical and functional characteristics of buildings.
• The main purpose of BIM is to facilitate collaboration among project teams through shared information in a digital format.

Step 2: Familiarize with the Common Data Environment (CDE)

• A CDE is a shared digital space where all project contributors can access and contribute information.
• Key elements stored in the CDE include:
  • Specifications
  • Schedules
  • Performance requirements
  • Cost plans
  • Drawings
• This centralized information helps in coordinating the contributions of various team members.

Step 3: Learn About 3D Modelling in BIM

• Project teams create 3D models in designated 'work-in-progress' areas.
• These models are developed by different members and later integrated into a comprehensive 3D representation.
• The integration process ensures that all aspects of the project coordinate effectively before wider sharing.

Step 4: Explore the Link Between Graphical and Non-Graphical Information

• Non-graphical information (such as specifications or schedules) is linked to the graphical 3D model.
• Users can interact with the 3D model, accessing detailed information about specific elements:
  • For example, clicking on a light fixture might provide details on its manufacturer, cost, and performance specifications.
• This bidirectional linking enhances usability and provides comprehensive data at a glance.

Step 5: Recognize the Importance of a Complete Dataset

• The complete set of documents related to a BIM project is known as a data set or information model.
• A "BIM model" is often referred to as a building information model, which includes both graphical elements and linked data.
• In contrast, standalone 3D models lacking data connections are not considered BIM.

Step 6: Appreciate the Advantages of BIM

• BIM simplifies the structure and accessibility of information, making it easier for teams to find what they need.
• This structured approach leads to:
  • Higher quality building delivery
  • More efficient workflows
  • Improved understanding of building performance for end-users
• Ultimately, BIM can positively impact business outcomes and societal benefits.

Conclusion

Understanding BIM and its components is crucial for modern construction practices. By leveraging a Common Data Environment and integrating graphical and non-graphical information, project teams can work more efficiently and effectively. As the construction industry continues to evolve, embracing BIM will be key to delivering high-quality projects. For further learning, consider exploring resources like PAS 1192-2 or additional videos on the topic.