Abstract
Abstract. Among the digitalization processes which are being raised in Europe and in the world, the building permit process is seen as one of the priorities by municipalities, governmental institutions and standardization organizations. However, in current practice, the building permit issuing as well as the integration of geoinformation with BIM (GeoBIM) suffers from a number of complex sub-issues. These issues still remain and prevent the development of successful methodologies. In this paper, the building permit use case is explored within a project in close collaboration with the municipality of Rotterdam. A very specific case study in Rotterdam was selected as a starting point, which allowed us to develop the needed methodology for the implementation of an effective tool. In this paper we highlight the interpretation and formalization of regulation for building height, overhang and tower ratio. While these rules are specific to a zoning plan in Rotterdam, we believe that the methodology and encountered issues in formalizing the rules, applying the rules on delivered models and integrating various data sources (BIM and GIS specifically) are general to most building codes.
Highlights
With the development of 3D model-related technologies, especially regarding the design of buildings with Building Information Models (BIMs), and the improvement of digital and web systems, the advantages of automated building permits issuing systems became apparent in many countries
First step was the selection of 2 specific regulations among the ones that were deemed likely to have the best advantage from geoinformation with BIM (GeoBIM): building dimensions and parking places
“on the understanding that it can be realized with a substructure of a maximum of 17 meters high and a construction of a maximum of 50% of the surface of the substructure.”- Do the substructure has a minimum height? If the substructure or the top structure are split in different parts, do they count as one? Is it allowed? Must the substructure cover the whole parcel? Is any alignment to be considered? Is the footprint or the outline of the top part to be considered for measuring the overlap? Is the 50% including only the overlapping footprint of the top part or the area of possible overhangs?
Summary
With the development of 3D model-related technologies, especially regarding the design of buildings with Building Information Models (BIMs), and the improvement of digital and web systems, the advantages of automated building permits issuing systems became apparent in many countries. A quick turnaround of model check outcomes may result in a more iterative process and a higher quality built environment. Attempts in such a direction are being developed in many countries, starting perhaps with the CORENET ePlanCheck project in 1995 in Singapore and later in Europe (Noardo et al, 2019b) and in the rest of the world. Some studies proposed methods and tools for checking the building regulations by means of BIMs (e.g. Kim et al (2016); Getuli et al (2017); Choi and Kim (2017); Plazza et al (2019)) and others considered the integration of BIM and 3D city models (e.g. in Sweden2)
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