Unbroken Digital Data Flow in the Built Environment Process – A Case Study in Sweden

Olsson, Per-Ola; Johansson, Tim; Eriksson, Helen; Lithen, Thomas; Bengtsson, Lars-Håkan; Axelsson, Josefine; Roos, Ulrika; Neland, Karin; Ryden, Birgitta; Harrie, Lars

doi:10.5194/isprs-archives-xlii-2-w13-1347-2019

Cited by 13 publications

(16 citation statements)

References 11 publications

(9 reference statements)

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“…The information needed in the building permit process is identified and the corresponding building objects are classified. This will facilitate the automated checking of the model against regulations in the detailed development plan as the classification will give a more precise definition of the object to be checked [47].…”

Section: Integration Of 3d City Models and Bimmentioning

confidence: 99%

“…Geo-Inf. 2020, 9, 78 9 of 28 against regulations in the detailed development plan as the classification will give a more precise definition of the object to be checked [47].…”

Section: Connection To 2d Models and Registersmentioning

confidence: 99%

“…To investigate the requirements as well as test and evaluate the standard a national project was launched. The project was coordinated by Lantmäteriet (the Swedish mapping, cadastral, and land registration authority); the project also included experts from academia, some larger cities and technical consultants (see [47]). The results from the project are reported to Geodatarådet, a board that governs the development and use of new geodata standards in Sweden.…”

Section: Requirements For the National Building Standardmentioning

confidence: 99%

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Requirements, Development, and Evaluation of A National Building Standard—A Swedish Case Study

Eriksson

Johansson

Olsson

et al. 2020

IJGI

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The aim of this paper is to present a proposal for a national building standard in Sweden. We define requirements for the proposed standard, e.g., it should support development of 3D city models, connect to building information models (BIM) and national registers and be based on a national classification system for the urban environment. Based on these requirements we develop an Application Domain Extension (ADE) of the building model in the proposed CityGML 3.0 standard denoted CityGML Sve-Test. CityGML 3.0 includes several new features of interest, e.g., the space concept, enhanced possibilities to convert data, and to link to other standards. In our study we create test data according to CityGML Sve-Test and evaluate it against the requirements. It is shown that BIM models (in Industry Foundation Classes, IFC, format) can be converted to CityGML Sve-Test and that a classification system facilitates this conversion. The CityGML Sve-Test dataset can be used to increase the automation level in building permissions checking and a related study shows that CityGML 3.0 has capabilities to link to legal information and be a base for 3D cadastral index maps. Based on our experience, we suggest that the national building standard should conform to international standards and, if possible, include a classification system. The exchange format (GML, JSON etc.) might change, but to be based on a standardized data model ensures harmonized structures and concepts.

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Section: Integration Of 3d City Models and Bimmentioning

confidence: 99%

“…Geo-Inf. 2020, 9, 78 9 of 28 against regulations in the detailed development plan as the classification will give a more precise definition of the object to be checked [47].…”

Section: Connection To 2d Models and Registersmentioning

confidence: 99%

Section: Requirements For the National Building Standardmentioning

confidence: 99%

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Requirements, Development, and Evaluation of A National Building Standard—A Swedish Case Study

Eriksson

Johansson

Olsson

et al. 2020

IJGI

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“…In Norway the eByggeSak 14 project is developed 15 and produced also a tool to validate BIM 16 . In Sweden there have been a national project on defining GeoBIM data delivery specifications (Olsson et al 2019) and also linkages to automatic rule checking (Olsson et al 2018) as part of the wider 'SmartBuiltEnvironment' 17 project. In Estonia 18 a national-level project is promoted by the Ministry (Future Insight Group, 2019).…”

Section: Pilot Projectsmentioning

confidence: 99%

Integrating Expertises and Ambitions for Data-Driven Digital Building Permits – The Eunet4dbp

Noardo

Malacarne

Ventura

et al. 2020

Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci.

Self Cite

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Abstract. The digitalization of the process for building permit (involving the use of 3D information systems) is seen as a priority in a wide part of the world. Since it is a very multidisciplinary use case, involving a variety of stakeholders tackling complex issues and topics, some of them joined their efforts and skills in the European Network for Digital Building Permit. The initial activity of the network, after a review of on-going experiences, was a workshop to share knowledge about the topics involved and to identify the main ambitions of the network with respect to three pillars (i.e. Process – Rules and Requirements – Technology) and the related requirements. It was achieved through a collective brainstorming activity guided by digital tools, whose results were further analysed in a post-processing phase. Such results are presented in this paper and will be the base for planning the future network activity.

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“…For instance, an often discussed integration is the one with 3D city models and other types of geoinformation (GeoBIM), cf. [1][2][3][4][5][6][7][8][9][10][11][12][13][14][15][16][17].…”

Section: Introductionmentioning

confidence: 99%

An Inspection of IFC Models from Practice

et al. 2021

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Industry Foundation Classes (IFC) is a complete, wide and complex open standard data model to represent Building Information Models. Big efforts are being made by the standardization organization buildingSMART, to develop and maintain this standard in collaboration with researchers, companies and institutions. However, when trying to use IFC models from practice for automatic analysis, some issues emerge, as a consequence of a misalignment between what is prescribed by, or available in, the standard with the data sets that are produced in practice. In this study, a sample of models produced by practitioners for aims different from their explicit use within automatic processing tools is inspected and analyzed. The aim is to find common patterns in data set from practice and their possible discrepancies with the standard, in order to find ways to address such discrepancies in a next step. In particular, it is noticeable that the overall quality of the models requires specific additional care by the modellers before relying on them for automatic analysis, and a high level of variability is present concerning the storage of some relevant information (such as georeferencing).

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Unbroken Digital Data Flow in the Built Environment Process – A Case Study in Sweden

Cited by 13 publications

References 11 publications

Requirements, Development, and Evaluation of A National Building Standard—A Swedish Case Study

Requirements, Development, and Evaluation of A National Building Standard—A Swedish Case Study

Integrating Expertises and Ambitions for Data-Driven Digital Building Permits – The Eunet4dbp

An Inspection of IFC Models from Practice

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