Table A1.

Mapping of workshop themes to framework components

Workshop themeIndicative expert inputs (examples)Implication identifiedCorresponding DDIF framework element(s)
Lifecycle data continuity and traceability gaps“Data disappears after handover”; “No continuity between construction and demolition data”Need for continuous, dynamic lifecycle data capture across A–D stagesDigital lifecycle monitoring and updates (Section 4.5); DPP creation logic
Interoperability and standards alignment challenges“Systems don’t talk to each other”; “too many proprietary formats”Requirement for standardised data templates and open interoperabilityData collection and standardisation (Section 4.2); technological integration (Section 4.3)
Unclear stakeholder roles and data ownership“Who owns the passport data?”; “responsibilities shift across lifecycle stages”Need to explicitly define stakeholder responsibilities and access rightsInitiation and planning (Section 4.1); reporting and sharing (Section 4.7); governance (Section 4.8)
Weak integration of end-of-life feedback into design“Demolition data is never reused”; “design teams don’t learn from end-of-life”Need for feedback loops linking end-of-life outcomes to future projectsEnd-of-life and circularity assessment (Section 4.6); DMB integration
Governance, reporting, and regulatory readiness“Frameworks must support ESG reporting”; “policy alignment is essential”Necessity for governance, auditing, and compliance mechanismsReporting and sharing (Section 4.7); review and governance (Section 4.8)
Source(s): Authors’ compilation (2026)

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