Building Information Modelling (BIM) is a modern approach to managing the process of preparation, realization and operation of building objects including their documentation throughout their life cycle, based on database agenda platform. The aim of our research is to analyze and innovate existing engineering procedures with the aim: 1. to remodel the existing CAD documentation into BIM for the purpose of public procurement, 2. to provide guaranteed data to the IS of the Digital Map of Public Administration and 3. to provide data for the design of new railway structures or their reconstruction. The aim of the case study was to evaluate the effectiveness of remodelling the existing as-built documentation of a railway construction into a common BIM data environment (CDE), in which further subsequent construction agenda should be managed for the remaining period of its life cycle. Using the documentation for construction realization of the railway station Šumice, this 3D documentation was remodeled into the BIM data environment CDE and alternatively also into the 2D GIS environment. The BIM data standard developed by the State Fund for Transport Infrastructure was analyzed during the documentation reworking. An important parameter of the documentation rework was the use of a geodetic reference system fully compatible with the cadastral system in the Czech Republic. It turned out that the general data standard is only partially applicable for railway structures containing many special objects and many objects requiring individual classification. The remodelling of existing graphical data proved faster and more efficient in a GIS environment (layer oriented) compared to the need for 3D remodelling in a BIM CDE (object oriented). Experimental results have demonstrated the effectiveness of remodelling underground technical infrastructure objects, while the visible surface situation is often more effectively captured by current progressive bulk data acquisition technologies. In a CDE environment, existing as-built documentation data can be efficiently stored and administered and progressively, for the procurement and execution of construction, purposefully remodeled only to the extent required in BIM or converted into an exchangeable Digital Technical Map (DTM) format for public administration.
Building Information Modelling (BIM) is a modern approach of managing the process of preparation, realization and operation of building objects, including their documentation throughout their life cycle. The aim of this approach is to use a common data environment (CDE) in which the building agenda will be managed throughout the entire construction process, from the initial architectural design to its demolition, with the possibility of access to the data by the professions and participants involved. Selected contexts of BIM and surveying are presented in the paper. In the second part, a practical example of a transport infrastructure construction is used to present the method of converting the classical as-built documentation into BIM. As the construction in question is a reconstruction of a railway station; the requirements and experience of the Railway Administration from pilot projects are considered. WYKORZYSTANIE BIM W BUDOWNICTWIE INFRASTRUKTURY TRANSPORTOWEJ W REPUBLICE CZESKIEJ Modelowanie Informacji o Budynku (ang. Building Information Modelling – BIM) to nowoczesne podejście do zarządzania procesem przygotowania, realizacji i eksploatacji obiektów budowlanych, łącznie z ich dokumentacją przez cały cykl życia. Celem tego podejścia jest wykorzystanie wspólnego środowiska danych (ang. common data environment – CDE), gdzie zagadnienie budowli będzie rozpatrywane przez cały czas – od projektu architektonicznego do jej rozbiórki, z możliwością dostępu do danych przez profesjonalistów i wszystkich, których to dotyczy. W pracy przedstawiono wybrane konteksty BIM i pomiarów geodezyjnych. W drugiej części przedstawiono przykład budowli związanej z infrastrukturą transportu, aby pokazać metodę zamiany klasycznej dokumentacji budowlanej w BIM. Omawianym przedsięwzięciem budowlanym jest przebudowa dworca kolejowego, gdzie uwzględniono wymagania i doświadczenia Administracji Kolejowej, powstałe w trakcie projektów pilotażowych.
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