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Creation of a digital twin of existing objects (as-built model of the construction incl. technical installations), which is geometrically verified and contains no redundant information and data per element.
Output:
Input:
This use case focuses on the creation and content of digital 3D models of existing infrastructure facilities. A distinction is made between minimum information (geometry (georeferenced), status of accuracy (verified/not verified), material) and specific information.
Based on the minimum information, the existing model can be enriched, extended, linked with further specific information (e.g. GI systems, databases). Any information that goes beyond the minimum requirements has a specific purpose. This is always subject to customer-specific requirements as well as the data structure ofcustomer-specific specifications (e.g. modeling guidelines for element accuracy, structuring for existing databases).
These specific technical models are the responsibility of the respective technical planners and are not part of this use case.
Normative basics, standards, structures:
Project-related basics / Input:
For the Retro BIM, any format-independent information available for the construction/project can be used.
A distinction must be made between the minimum requirements (geometry (georeferenced), the quality of the data (verified/not verified) and material) and all other specific information that generates added value for the information.
The following is a non-exhaustive list of possible basics: