Between 22nd and 27th of September 2022, project partners from ZHAW, Catenda, SINTEF, Robotnik and Fraunhofer IAO gathered in Oslo, Norway to carry out diverse analysis for the Fyrstikkbakken Pilot Use Case, led by AF GRUPPEN.
‘Scheduling and cost benefit with BIMprove’ is one of the piloting activities of the project with the objective to demonstrate the usability of BIMprove in scheduling and cost calculations.
What’s the desired impact?
Better scheduling forecast and reduction of costs on constructions projects.
What challenge we are facing?
The construction of a larger building requires complex planning. An initial planning can be carried out based on a BIM representation of the building. A wide variety of events, such as weather-related work stoppages, delivery delays, errors in construction work, etc., however, require ongoing rescheduling that is adapted to current needs.
How BIMprove is being tested?
Data acquisition: Researchers from ZHAW in Switzerland flew their drones on the Fyrstikkbakken PUC to do photogrammetry scans and colleagues from Robotnik in Spain had Robot Nik laser-scan parts of the construction. Both of these scanning methods result in precise point clouds of the construction.
Processing: These point clouds are then uploaded to the BIMprove backend, developed by Catenda and SINTEF. Using the information from the BIM, the System can automatically detect which points in the point clouds belong to the construction itself and which belong to scaffolding, formwork props, etc.
Analyses: Then of course, the question is, whether everything is built according to plan, and if not, how big the deviation is. This applies to both, the geometry of the construction and the schedule.
Presentation: Whether the deviation from plan is measured in millimetres or in hours, presentations of the results like the one below helps Construction Site Managers to make decisions and reduce costs by detecting inaccuracies earlier and more reliably.
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