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Dictionary
Digital Construction (electrical)

term introduced first in PAS 1192 and updated in ISO 19650 framework, it depicts the process of specifying and delivery of project and asset information

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forms a framework that supports informed and consistent decision making by project teams, at each work stage, helping to deliver agreed and reliable information.

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Exchange Information Requirements (EIR) term introduced by BS EN 19650 replace the PAS 1192 term Employer Information Requirements (EIR) on all projects where BS EN ISO 19650 compliance is required.

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The term introduced by ISO 19650 typically describes the Tier 1 Main Contractor.

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breakdown structure to help plan the production of information

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schedule of information containers and delivery dates, for a specific task team

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An MPDT its old PAS 1192 term, the MPDT defines who produces what, when and to what level of detail.

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Digital twin

ELI5-S1 BIM Basics E19_Digital Twin

The digital twin is the virtual representation of a physical object or system across its life-cycle. It uses real-time data and other sources to enable learning, reasoning, and dynamically recalibrating for improved decision making.” [1]

Integration of BIM and Digital Twin: BIM and Digital Twin technologies do not compete but are complementary. BIM provides detailed digital models essential for planning and construction, while Digital Twins enhance these models with real-time data and interactions during operation and maintenance.

  1. Understanding BIM and Digital Twin [2]

    • Building Information Management (BIM): BIM involves the creation and management of digital representations (BIM Models) of the physical and functional characteristics of built assets. It serves as a shared knowledge resource, forming a reliable basis for decisions throughout an asset’s life cycle.

      • BIM Model: A detailed digital representation of a built asset.
      • BIM Modeling: The process of generating and using BIM Models.
      • Building Information Management: The overall function of controlling and distributing built asset information.
    • Digital Twin:

      • Definition: A Digital Twin is a virtual representation of real-world entities and processes synchronised at a specific frequency and fidelity.
      • AECO-Specific Definition: An intelligent virtual representation of an asset, designed to be connected to its physical counterpart, potentially including analysis and the ability to enact physical changes.
    • Categories of Digital Twins:

      • Digital Twin Prototype (DTP): A virtual model designed to be connected to a physical asset in the future.
      • Digital Shadow (DS): A virtual model with data flowing from the physical asset to the digital model.
      • Cyber-Physical System (CPS): A digital model with bidirectional data flow, allowing interaction between the physical and digital assets.
  2. The Relationship Between BIM and Digital Twin[2]

    • Integrative, Not Duplicative: BIM and Digital Twin are complementary technologies. BIM provides detailed static models, while Digital Twins bring these models to life with real-time data and interactions.
    • Common Misunderstandings: Many in the industry confuse or blend BIM and Digital Twin.
    • Synergy for AECO Issues: When integrated, BIM and Digital Twin can address significant challenges in the AECO industry, such as enhancing operational performance and sustainability.
  3. Importance of Integration [2]

    • Driving Innovation and Efficiency: Integrating BIM and Digital Twin technologies can revolutionise how assets are designed, constructed, and operated.
    • Clarifying Concepts: By defining and understanding the relationship between BIM and Digital Twin, stakeholders can make informed decisions and drive industry advancement.
  4. Public Perception [2]

    • Influence on Policy and Adoption: The general public’s perception affects policy-making and investment decisions in the AECO industry.
    • Need for Clarity: Misunderstandings can lead to confusion and hinder the integration of BIM and Digital Twin technologies.
    • Leveraging Perception: Addressing and leveraging public perception can accelerate industry transformation and collaboration.
  5. Use Cases [2]

    • Cornerstone of Integration: Well-defined use cases are essential for successfully integrating BIM and Digital Twin.
    • Application Examples: Use cases can range from improved facility management, energy optimisation, and predictive maintenance to enhanced user experiences.
    • Foundation for Implementation: Use cases guide the practical application of these technologies, ensuring they meet specific needs and objectives.
  6. Execution Strategies [2]

    • Harnessing Differences: BIM and Digital Twin have different strengths that, when combined, can streamline execution and deliver better outcomes.
    • BIM as Foundation: BIM Models provide the detailed, robust structures upon which Digital Twins can be built, allowing for dynamic and interactive systems.
    • Agility and Simplicity: Focussing on minimum viable products (MVPs) and scalable solutions ensures effective implementation.
  7. Data Frameworks [2]

    • Synergies in Data Management: BIM and Digital Twin data frameworks can be combined to create a more comprehensive and dynamic representation of assets.
    • Greater Value Together: Integrating data frameworks enhances interoperability and data sharing and supports advanced analytics.
    • Decoupled Data and Information Exchange: Transitioning from static file exchanges to dynamic data synchronisation improves efficiency and collaboration.

 

1 IBM., 2020. Cheat Sheet: What Is Digital Twin? Internet Of Things Blog. [online] Business Operations. Available at: [Accessed 31 December 2020].

2 Digital Twins for the Built Environment A Position Paper on Integrating BIM and Digital Twin National Institute of Building Sciences (NIBS), accessed 2024-09-22 

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