How works an inventory of buildings in the BIM era?

When I worked for the first time with a 3D architecture software nearly 30 years ago, I have not had any thoughts about how the homebuilder edit its current building stock graphically. All inventory plans were only in the form of paper maps in the archive. The late 80s the first large-format scanner systems came onto the market. Since the first companies began to digitize their inventory plans and draw their changes on the basis of scanned plans.

As the mid-90s the first CAFM software products have been created, the digital world in the construction industry was two-dimensional. The three-dimensional CAD products could not prevail. The architects did not want to learn or finance expert systems and the draftsman could not or should not use them. Two-dimensional construction on personal computer was affordable and understandable for most people to replace the drawing boards. The first manufacturer of CAFM systems began to integrate two-dimensional graphics as pixel files or two-dimensional CAD files in their systems. Scanned plans were partially converted with the help of Vectorisationsoftware in CAD files. Companies who wanted to use their existing buildings in a CAFM system graphically, often had to be making new inventories by architect or CAD services. Unfortunately, most of the stock was not passed cleanly documented or not documented complete or accurate after the completion of construction. A subsequent survey was carried out for reasons of cost, only in two dimensions with the help of inexpensive CAD systems. Facility Management is usually regarded as a cost factor for businesses.

BIM continues by 2020 by gradually. The 3D CAD software products have been perfected in recent years continues. However, the majority of CAFM software manufacturers still remains at the second dimension. The manufacturers have hardly developed their products since the turn of the millennium in terms of graphics with a few exceptions. By topic BIM graphic is after completion of the building up to date. During the construction phase there are also 2D drawings. They are only a snapshot of the time of printing. They do not have long-term value more and are further unsuitable as graphic basis for facility management.

If now the building stock is acquired for facility management or required for expansion projects, then ultramodern 3D laser scanners are used. There are already software products for post-processing of the 3D point cloud available that are able to generate three-dimensional architectural components of the point clouds. No one needs to check the relevance of old stock plans today more. The time and cost are better invested in this new form of inventory data acquisition. The big advantage is that these data can be integrated immediately into the upcoming BIM projects.

If the building owners and building operators rely on BIM, the service providers and CAFM software manufacturers will have to follow. The service providers need the right equipment and have to gather with the new for them matter quickly experience. A small portion of CAFM software manufacturers can join immediately. The manufacturers who have missed their databases in the last two years a new structure that would have the three-dimensional graphics can also be integrated. Producers who are still working with the old database concepts must make serious thinking about their future. Otherwise, they will soon have no more.


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