"Ultimately, we need to get to the point where everyone in the organization who benefits from consulting a 3D model uses it. The moment the solution goes away and people miss the 3D models, then you're fine"
In this customer case, we focus both on a specific project that we carried out for Ressort Wonen and the long-term cooperation between Ressort and supRmen. Here we elaborate on the challenges around implementation at the organizational level, the impact of using 3D models on daily processes and future cooperation.
We zoom in on a maintenance inspection of two complexes on the Essendaal (shaded green) in Rozenburg. After previously completed projects, Edmond Boumeester, coordinator of planned maintenance and projects at Ressort Wonen, saw many opportunities for these complexes to use a digital photorealistic 3D model for inspection. This project served as a pilot of the collaboration between supRmen and Raderadvies.
This high-rise complex with over 100 homes is difficult to inspect in the traditional way. Because of the height and the fact that the complex borders water, parts of the exterior facade are difficult to reach. Even with the use of an aerial platform, the back side would be inaccessible for further inspection at height due to vegetation and water. This ensures that with a traditional inspection, large parts cannot be inspected, making the NEN2767 report and the MJOB less complete than desired. Edmond Boumeester wanted to get a better grip on this.
So the question to supRmen was, "Can you provide a solution with which we can determine, via a 3D model, accurate element quantities, measurements and conition measurements of this complex that is difficult to inspect as a basis for the budget?
Our solution consisted of four phases:
Informing residents and neighbors
We have started informing all residents and neighbors within a 50-meter radius of the building by means of a comprehensive letter about the work to be performed using drones. People and car license plates are automatically blurred by our algorithm, so there is no invasion of privacy. This can be compared to Google Streetview.
Implementation on site
Implementation starts with measuring base points. These are crucial to accurately determine dimensions and deviations. Next, we took about 3,000 photos of the complex. These photos were taken with high resolution cameras (100MP) from the air as well as from street level. In this way, even undersides of balconies were captured razor-sharp and accurate. Areas such as roofs and high facades that would normally only be reachable with an aerial platform were also accurately captured.
Gathering all the images took a day and a half. The images were taken with a detail level of no more than 2 millimeters deviation, so that the elements and quantities could be accurately determined and there was so much detail in the model that the condition could also be determined.
All photos taken by the drone and at the street level were stitched together into a complete online photorealistic 3D model in our cloud-based platform, in which all details were visible in 2D and 3D.
We collected all appointments, execution activities, documents and other information in a central place in our customer portal. This made all information centrally visible in one place and everyone was always up-to-date on the progress of the project.
All data of the complex were extracted from the 3D model and converted to directly applicable information. This includes elements and quantities, as well as dimensions and defects that are visually visible.
When determining the conditions of the roof and facades, desk condition scans are performed by one of our partners on the photos and 3D models taken. These desk condition scans are combined with a site visit. Before this desk condition scan is performed, supRmen names all roof surfaces and elements for the purpose of traceability. With this, all numbers and dimensions are also known.
Desk condition scan reports cover the main defects and accompany them with relevant photographs. In this project, the condition scans were performed by Raderadvies.
This hybrid form of inspection offered the best of both worlds. As mentioned earlier, the 3D model allows otherwise inaccessible places to be inspected, increasing the inspector's sample size. This allows the extent of the defect to be better determined and also reveals defects that otherwise would not have been noticed. An example of this is the floor finish of the balconies. These were found to be good on site, but drone images and the 3D model showed that they were in worse condition at other balconies.
Beyond the advantages offered by the hybrid form of inspection, all data obtained is more widely applicable. The result of the solution provided;
The additional benefits In addition to the results that directly address the problem Ressort Wonen had, there are additional benefits, namely;
Previously, Ressort Wonen struggled with challenges related to accurate property inspections, maintenance planning and gaining valuable insights into the high-rise buildings within their property portfolio. To address these pain points, Ressort Wonen's first building was 3D modeled four years ago.
Thanks to the supRmen platform, Ressort Wonen can view accurate 3D models of their properties, giving them a detailed understanding of the condition, maintenance status and required measures for each property. Edmond's goal is to inspect the high-rise buildings once every three years using a 3D model as a basis. This will ensure that for these complexes, the dimensions and numbers once determined can be verified, and then in the future the degradation of the property can be monitored by understanding the changes in the models over time.
The cooperation with supRmen has brought numerous benefits to Ressort Wonen. Ressort can perform more efficient and complete inspections which ensures better maintenance planning. The next step in our cooperation will focus on the organization-wide use of the available 3D models so that they provide even more added value within Ressort Wonen.
"Ultimately, we need to get to the point where everyone in the organization who benefits from consulting a 3D model uses it. The moment the solution goes away and people miss the 3D models, then you're fine"
- Edmond Boumeester -
New employees at Ressort are not used to working with the 3D models so they are not used as much as they could be. Therefore, in good cooperation, we make sure that we organize onboarding sessions where everyone will be taken through the use of the supRmen platform about twice a year.
Organization-wide also uses Bryder, a further link between supRmen and Bryder would then also contribute, according to Edmond, to the extent to which supRmen's photorealistic 3D models add value across the organization. At the moment, it is already possible to access the supRmen platform via Bryder. Furthermore, we can overwrite quantities per building element. Further automatic exchange of data is being worked on.
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