Abstract
Building Information Modelling for small constructions is a useful working tool aimed at providing alternative solutions in building engineering. However, it is not commonly applied to this purpose, and even less together with photogrammetry techniques. This work seeks to analyse the advantages of this methodology with photogrammetry support in small projects. To this end, 121 commercial franchise projects in the field of perfume and cosmetic industry were studied in order to assess the benefits of BIM methodology. These projects were developed between 2011 and 2016. BIM protocols were shown to achieve 20% reduction in costs per project and in working periods (4.11 days), which led to a productivity improvement exceeding 27%. The total period until opening to public was observed to decrease in 10.09 days, and the number of inquiries and doubts during the project execution phase handled by the construction companies were seen to reduce by 25%. Moreover, the return of investment (ROI) corresponding to the implementation of BIM protocols was found to be more favourable than that of CAD (41.88%), with associated internal rate of return (IRR) of 34.5%. The validity of the results is limited to the scope of works for small commercial premises.
Highlights
BIM (Building Information Modelling) background arises to provide solutions in the ambit of engineering and construction
The application of BIM protocols to small projects gives birth to the so-called “Little BIM” (Jernigan, 2008), which is commonly used in small projects (Dainty et al, 2017)
Previous quantitative studies have reported on the feasibility of 4D planning of graphic systems versus conventional systems in construction projects, to conclude that even though conventional planning was shown to be 20% faster than 4D simulation, the latter was featured as 40% more efficient in terms of visual monitoring of the process and 40% more efficient in terms of data updating (Candelario-Garrido et al, 2017)
Summary
BIM (Building Information Modelling) background arises to provide solutions in the ambit of engineering and construction. The core concept of this methodology (Santos et al, 2019) lies in the implementation of a single database accounting for all the information of a building, so that potential collisions among the different services or equipment of the building are identified and handled. The particular pattern of franchises, which involves the repetition of certain fixed elements in shops, is a key factor that features BIM methodology as a suitable tool for the sector. It has not been implemented in a generalized routine yet, nor have its potential benefits been capitalized so far (Zou et al, 2017). The lack of a global implementation of BIM is linked to the potential risks and challenges that might inhibit its effectiveness (Sun et al, 2017a)
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