Integrating 5D BIM into large rail projects improves cost management but faces challenges related to technology, functionality, and governance. This paper presents a framework to support financial decision-making, project management, and efficient delivery.

Key elements include project governance, BIM policies, digital platforms, BIM LOD, cost-estimation classification, and continuous improvement. Governance ensures structured implementation, policies maintain quality, and digital platforms enable collaboration. Cost-estimation aligns with project scope, and continuous improvement enhances efficiency and innovation.

The study, based on Victorian rail projects, highlights challenges such as inconsistent data exchange standards, compatibility issues with cost management, and unclear governance strategies. Further validation in real-world projects is recommended.

https://events.development.asia/materials/20190521/building-information-modelling-bim-railway-design-construction-operation-and

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