PAS 1192 (PAS 01192) — Building Information Modelling Information Management Series (Capital/Delivery Phase, Operational Phase, Security-Minded BIM)

🏗️ PAS 1192 (BSI number PAS 01192) is a series of information management specifications for Building Information Modelling (BIM) published by BSI, sponsored by the Construction Industry Council (CIC) on behalf of the BIM Task Group. The series laid the core information-management methodology of UK BIM Level 2: from information delivery in the capital/delivery phase, to asset information management in the operational phase, to security-minded smart asset management — forming an information-management chain covering the whole building lifecycle, later adopted by the international ISO 19650 series.

💡 PAS 1192’s best-known contributions are the Common Data Environment (CDE) and the Employer’s Information Requirements (EIR): through a standardised information-management process, the workflows, naming conventions, and information exchange of all project participants are unified, ensuring “the right people get the right information at the right time”.

1. Series Structure 📌

Part	Title	Lifecycle Phase	Core Topic
PAS 1192-2:2013	Specification for information management for the capital/delivery phase of construction projects using BIM	Capital/delivery phase	Information delivery, EIR, BEP, MIDP/TIDP, CDE
PAS 1192-3:2014	Specification for information management for the operational phase of assets using BIM	Operational phase	Asset information management (AIM), CDE/AIM interface, roles
PAS 1192-5:2015	Specification for security-minded BIM, digital built environments and smart asset management	Whole lifecycle	Security context, built asset security strategy (BASS), BASMP, SB/IMP

2. Capital/Delivery Phase Information Management (PAS 1192-2) 📐

PAS 1192-2 defines the information-management process for the capital/delivery phase of construction projects (from needs assessment and procurement through to handover). Key points include:

Employer’s Information Requirements (EIR): the information to be delivered and its level of detail;
BIM Execution Plan (BEP): prepared pre- and post-contract, setting out responsibilities and information flows;
Master/Task Information Delivery Plans (MIDP/TIDP): timing, responsibility, and content of information delivery;
Common Data Environment (CDE): unified workflow (work in progress / shared / published / archived) and file & layer naming conventions, supporting spatial coordination and publication management.

⚠️ The CDE is the key to successful information management. If each participant maintains a private data version, interoperability and audit traceability are impossible — information must be organised through a unified shared workflow and naming convention.

3. Operational Phase Asset Information Management (PAS 1192-3) 📋

PAS 1192-3 extends information management to the operational phase, specifying the Asset Information Model (AIM) and the asset information-management process. Key points include:

The asset information-management process and its relationship to the AIM, and interface with existing enterprise systems;
Information exchange and governance/assurance between the CDE and the AIM;
Clarification of stakeholder roles and responsibilities and standardisation of information exchange.

4. Security-Minded BIM (PAS 1192-5) 🛡️

PAS 1192-5 addresses security-minded management of the digital built environment, sponsored by the UK Centre for the Protection of National Infrastructure (CPNI), emphasising protection of cyber-physical systems and asset information. Key points include:

Understanding the security context and the overall security threat to a built asset;
Appointment of a built asset security manager;
Developing the built asset security strategy (BASS), security management plan (BASMP), and security breach/incident management plan (SB/IMP);
Defining built asset security information requirements (BASIR) and working with suppliers.

🚨 Digital twins and smart buildings expand the attack surface while improving operational efficiency: smart access control, HVAC control systems, networks, and sensors can all become cyber-attack targets. A security-minded approach must run through design, implementation, and operation — not just physical protection.

5. Engineering Practice Essentials 🛠️

🔍 Define EIR: form the employer’s information requirements before project start as the basis for each party’s information delivery.
🔧 Establish the CDE: unify the information container, naming, and publication status, and set access rights and audit records.
📊 Operations handover: convert as-built information into an Asset Information Model (AIM) per PAS 1192-3 and integrate it with the enterprise asset-management system.
📋 Security-mindedness: carry out security risk assessment of the digital built environment and develop and exercise the BASMP and SB/IMP.

6. Frequently Asked Questions ❓

❓ Q: What is the relationship between PAS 1192 and ISO 19650?
A: PAS 1192 is the core methodology of UK BIM Level 2; ISO 19650 builds on it as an international standard. Use the applicable standard or the client’s requirement per project.

❓ Q: What is the Common Data Environment (CDE)?
A: The CDE is a unified information-management environment that coordinates the information flow of all participants and supports audit traceability through maturity states (work in progress / shared / published / archived) and file naming conventions.

❓ Q: What is the difference between PAS 1192-2 and PAS 1192-3?
A: Part 2 covers engineering information delivery in the capital/delivery phase; Part 3 covers asset information management in the operational phase; the two connect at handover.

🔍 Q: Why must BIM consider security?
A: The digital built environment contains many cyber-physical systems and sensitive asset information; unauthorised access or tampering can cause physical and cyber-security incidents, hence the need for a security-minded approach and BASMP/SB/IMP.

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