As far as Scan to Bim services are concerned, then we can say that Scan to Bim is a very simple process of capturing scanned data which happens from the real site conditions, and it goes in the form of a 3D model which involves a particular scanner through which scanning is done. This particular process is going to be very beneficial as far as carrying out renovation projects, conversion projects, or retrofit are concerned.
The Scan to Bim process can also be used as the application of facility management, review of the plan which can be added or altered, production of Bim services model, application of facility management, and it is also for the evaluation aspects of energy efficiency audit. This particular process is also used for the creation of virtual tour of existing structures, and this Scan to Bim process is based on the critical features of the data which is scanned and which includes topography extraction, mesh modeling, geometry etc.
How do the Contractors use a Laser Scanner ?
As far as the use of laser scanners by the contractors is concerned, they are able to gather the information which is on-site information with the help of 3D laser scanners and the gathered on-site information helps them in getting accurate data which can be further used in the whole process of planning and construction.
There are multiple uses of any laser scanner for a contractor who has been working on a
project:
A laser scanner helps in checking the progress of a model.
It also generates accurate as-built models for any existing structure.
A laser scanner is capable of adding any missing design or element to the model.
It also helps in inspecting the as-built model.
In what way can it be advantageous for contractors ?
Human error reduces to a great extent: Since there is an advent of a scanner, the possibility of human error becomes very less, and with the help of Revit, things become quite easier for the expert teams to work on, which can save cost and time as well.
Precise data: A scanner is very helpful in capturing the useful information which will be precise, and that particular accurate data will help in the completion of a project successfully. With the help of 3D scanners there's a possibility of capturing a single pixel in a great way which offers the ability to handle the existing condition or control it.
Scan to Bim through 3D laser scanners
Once there is a completion of the 3D model, there is a recommendation and the requirement to do the quality checking by rectifying the errors and overlaying the scan, and if there is any mismatch between elements and scan, then there can also be the rectification of that. There should be awareness of the tolerances which are kept for modeling, and the tolerances depend on two below-given factors:
The first one is the level of detailing of the project.
The second one is density and clarity of scan.
This process of QA/QC of a model is there with these two factors, and with the help of
tolerances, we mean that the amount of leverage that we have to give to the accuracy and elements during the process of modeling and there both factors will decide the percentage until which we are required to take the tolerances.
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