BIM-based quantity take-off and cost estimation in construction projects a case study of Vingroup

Abstract

Building Information Modeling (BIM) is increasingly used in construction to improve information management, multidisciplinary coordination, quantity take-off, cost estimation, and project control. However, effective BIM-based cost estimation requires not only 3D modeling but also standardized model information, naming conventions, appropriate Level of Development (LOD), data exchange, and integration between BIM elements and cost databases. This study examines BIM-based quantity take-off and cost estimation through a case study of Vingroup’s BIM Standard for Autodesk Revit. The analysis focuses on the BIM implementation framework, BIM Execution Plan (BEP), model development, multidisciplinary coordination, quantity surveying, 5D cost database, and cost-data linking. The findings show that the framework establishes an integrated process from BIM model development and quantity extraction to cost database development, cost-data linking, and Bill of Quantities (BOQ) generation. It also provides a foundation for improving consistency between design and cost information and supporting partial automation of cost estimation. Key requirements include standardized modeling, appropriate LOD, reliable cost databases, consistent information exchange, effective coordination, and clearly defined stakeholder responsibilities.