Abstract
Abstract. This paper explores the BIM-based route map and workflows for documentation of condition inspection for architectural heritage, exemplified by an on-going conservation project of three Duty Rooms in Yangxin Hall complex in the Forbidden City, Beijing. Since intensive, multi-disciplinary inspection work for architectural heritage will result in huge amount and categories of data and information, the 2D-based traditional way of documentation is abandoned, while HBIM was introduced for information management and presentation. In respond to multi-disciplinary collaboration, a duel-route workflow is specially developed for the combination of BIM and non-BIM teams, in which the BIM team is responsible for BIM models’ creation and maintenance, and for information management and presentation, while the non-BIM team carry out the survey and inspection in their own established way without any requirements for BIM skills, making a little adjustment where necessary, with interactive models as links between them. The practice following the workflows mentioned in this paper proves that condition inspection based on HBIM is applicable, compatible and flexible, providing the possibility to improve the traceability and sustainability of heritage information, and to generate visualized, thematic and integrated presentation in high efficiency and consistency. This paper also provides some solutions to the specific problems encountered during actual operation. For example，the defects keynote dictionary offers a sound tie between the BIM team and non-BIM team, and between site survey and final presentation; the application of shadow elements helps to improve the information management between whole and parts, ideal and actual, 2D and 3D.
Highlights
1.1 BackgroundThe building complex of Yangxin Hall (Hall of Mental Cultivation) used to a very importance residence for the emperors from the 18th to early 20th century within the Forbidden City, Beijing (Figure 1) (Fu 1983; He 2016)
This paper explores the Building information modelling (BIM)-based route map and workflows for documentation of condition inspection for architectural heritage, exemplified by an on-going conservation project of three Duty Rooms in Yangxin Hall complex in the Forbidden City, Beijing
Multi-disciplinary inspection work for architectural heritage will result in huge amount and categories of data and information, the 2D-based traditional way of documentation is abandoned, while Historic building information modelling (HBIM) was introduced for information management and presentation
Summary
The building complex of Yangxin Hall (Hall of Mental Cultivation) used to a very importance residence for the emperors from the 18th to early 20th century within the Forbidden City, Beijing (Figure 1) (Fu 1983; He 2016). As a phrasal result of the ongoing project, this paper will focus on the documentation or information management during the building condition inspection process for the three Duty Rooms which could date back to 1750 and were used as the service centre for the emperors’ daily life in the front courtyard of the residence complex (Figure 2). Multi-disciplinary inspection work will result in huge amount and categories of data and information, the 2Dbased traditional way of documentation is partly abandoned, while HBIM was introduced for information management and presentation expecting to improve data visualization, traceability and sustainability. In this project, the BIM software Autodesk Revit 2016 and A360 are adopted. The double-blind peer-review was conducted on the basis of the full paper
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