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Påsse, D, Disney, O, Roupé M and Johansson, M (2022) Cost-Estimation in Construction: Building Information Modelling versus Total BIM. In: Tutesigensi, A and Neilson, C J (Eds.), Proceedings 38th Annual ARCOM Conference, 5-7 September 2022, Glasgow Caledonian University, Glasgow, UK. Association of Researchers in Construction Management, 52-61.
- Type: Conference Proceedings
- Keywords: Total BIM, Cost estimation, BIM, Digital Construction
- ISBN/ISSN: 978-0-9955463-6-3
- URL: http://www.arcom.ac.uk/-docs/proceedings/7294baab87e2328177068fd7231563cb.pdf
- Abstract:
<p>Implementing Building Information Modelling (BIM) has been promoted to address cost overrun issues in the construction industry by improving the efficiency and quality of cost-estimation processes. Recently, the ‘Total BIM’ concept has emerged in Scandinavia, where the BIM is the legally binding construction document, 2D-drawings are excluded, and stricter BIM requirements are implemented. This paper highlights, explores issues, challenges, and opportunities within the cost-estimation process. Ten interviews were conducted with participants from traditional projects, involving the parallel use of BIM and traditional construction documents. An in-depth investigation of a ‘Total BIM’ project was also performed. Findings show that even in projects where BIM is present, traditional 2D-based methods were still used for cost-estimation due to a BIM's unclear legal status and lack of trust in BIM. ‘Total BIM’ may reduce cost estimation time by up to 90%, but issues regarding training, data and information management and education must be addressed.</p>