Building Information Modelling for Quantity Take-Off in Oman: Comparative Insights and a Phased Adoption Framework

Building Information Modelling (BIM) enhances quantity take-off (QTO) by reducing manual errors and enabling automatic updates during design changes. This study investigates BIM-enabled QTO in Oman through a mixed-methods approach: (i) a comparative case analysis of manual versus Revit schedule-based workflows, (ii) semi-structured interviews with practising estimators and quantity surveyors, and (iii) a documentary benchmark of widely used QTO platforms. The case analysis revealed that manual QTO required approximately 12 hours, whereas BIM-based QTO generated the same outputs in less than 3 hours, resulting in a 75% reduction in preparation time. Automated revision control further eliminated rework and improved traceability. Interviews confirmed these efficiency gains but emphasised barriers, including limited training opportunities, interoperability issues, prohibitive costs for small and medium-sized enterprises (SMEs), and the absence of unified national standards. While international studies report efficiency improvements of 40–60%, this research provides direct local evidence of even greater time savings in Oman. The benchmark of QTO platforms highlighted advanced automation and integration features, but most claims remain vendor-driven. The study concludes that successful BIM-QTO adoption in Oman requires national standards, structured training, and affordable access to tools, and proposes a phased roadmap aligned with Oman Vision 2040.