Authors - Matthew Abrham Kristanto, La Mani, Cindy Magdalena, Maudi Aulia Saraswati, Annisa Atha Hanifah Abstract - Digital Twins (DTs) are increasingly explored for integrating BIM and IoT in facility management, yet many implementations remain fragmented, weakly governed semantically, and difficult to scale. This paper presents a BIM-centric DT framework for the MaCA museum Living Lab in Turin, combining indoor–outdoor environmental sensing, automated BIM synchronization, IFC-based interoperability, and a prototype temporal analytics layer. The methodology links shared-parameter modeling, Dynamo–Python synchronization, and room-/zone-level identifier logic to validate end-to-end snapshot-to-BIM integration on a one-week monitoring dataset. Results confirm robust parameter mapping, successful serialization of custom space-level IFC property sets, and the feasibility of a dual-layer DT strategy in which BIM/IFC supports semantic-spatial contextualization while external temporal platforms support analytics and dashboard visualization. The core contribution lies in defining a scalable and standards-aligned workflow for cultural facilities based on identifier persistence, modular synchronization, interoperability, and data-quality-aware DT deployment.
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