*F. Bosché

Heriot-Watt University,

Edinburgh, EH14 4AS, UK

(*Corresponding author: f.n.bosche@hw.a.cuk)

Y. Turkan

Iowa State University,

Ames, IA, USA

C.T. Haas

University of Waterloo,

Waterloo, ON, Canada

T. Chiamone, G. Vassena and A. Ciribini

Università degli Studi di Brescia,

Brescia, Italy

Previous research has shown that “Scan-vs-BIM” systems are powerful to provide valuable information for tracking structural works (progress, quality, safety). However, the transferability of this capability to other construction areas such as MEP works has not been assessed so far. Comparatively, the construction of MEP systems, in particular pipes and ducts, tends to be more flexible with respect to the positioning of individual components, so that Scan-vs-BIM systems could be defeated when tracking MEP installation works. This paper presents recent results on the feasibility and performance of using a Scan-vs- BIM system to track MEP works. The approach followed is presented and then tested with two real-life challenging case studies were conducted simultaneously but totally independently in Canada and Italy. The results show that, as expected, pipes and ducts tend to be more loosely positioned than structural elements leading to a poorer performance of the Scan-vs-BIM system. Nonetheless, it appears that the system works well to assess the level of conformance of site installation works, providing valuable information for estimating emerging performance metrics like “percent built as-designed”. In addition, the proposed system could also be useful to accelerate and thus reduce the cost of delivering as-built BIM models for in the case of new builds.
Keywords: Construction; Model; Models; experiment; Experiments; Tracking; Systems; Progress; Performance; Installation;
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