Lessons learned in As Is modeling from 2D drawings and point clouds
DOI:
https://doi.org/10.46421/entac.v20i1.6088Keywords:
Laser scanner, Point cloud. BIM, Public buildingsAbstract
The documentation management of constructed assets in the public sector is poor, making the operation and maintenance of these assets more difficult, especially in cases of renovation or reconfiguration. This requires the commissioning of surveys for document updates, which are traditionally carried out through photographs, clipboard, and measuring tape. This case study focused on the modeling of the 1st Military Firefighter Battalion of Santa Catarina (1º BBM/SC), using technologies for Architecture, Engineering, Construction, and Operation (AECO), such as BIM and terrestrial laser scanning (TLS). The objective was to evaluate the advantages and disadvantages of these technologies compared to traditional processes of documentary surveying of construction assets and to propose recommendations for modeling with point clouds. The study compared a BIM model, transcribed from CAD, with a point cloud model adjusted for a renovation and expansion study. This approach allowed for presenting the advantages and disadvantages of using these technologies compared to traditional survey processes for the documentation of physical assets in civil construction and recommendations for modeling with point clouds.
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