05.03.2019 | LOGFILE Feature 08/2019

New Technologies for Cleanroom Planning

New Technologies for Cleanroom Planning

4 min. reading time | by Harald Flechl


A cost-optimized approach to project planning and execution, including the use of BIM (Building Information Modelling), will be used increasingly in the future. If this technology is applied correctly and over the entire project sequence, it makes it possible to optimise the planning, execution and usage of buildings, furnishings and installations using digitally prepared product data and software.

In Great Britain, BIM is already standard for public tenders. Major projects in particular ran more smoothly there than other known projects and planned schedule and cost targets were met. Furthermore, BIM is to be made mandatory in Germany from 2020 as a planning basis for public tenders.

BIM facilitates planning through object-oriented, intelligent digital building models by creating a comprehensive process with a uniform database. Instead of many individual drawings, the information from diverse specialist areas is combined in a common interdisciplinary data model.

Having an influence on costs is therefore also possible earlier and at lower cost than in conventional paper-based planning with the associated complex communication channels (Figure 1).

Figure 1 Influence of BIM on cost development

Since all project participants access the same data in "real time", changes are immediately visible to all without delay. If, for example, the walls and number of doors are changed, the defined parts list, the room areas and thus also the costs change in parallel.

In addition to its geometry, an element's technical information is also contained in the building model, e.g. surfaces of wall elements (see Figure 3.E-8), cleaning specifications for surfaces, etc. This provides the relevant data for further planning, risk assessment (3.E.9 Example of a risk assessment for surfaces), construction, documentation and subsequent operation of the building.

Figure 2 Example of a BIM model for wall elements

Based on this building model, both the construction process and subsequent operation in the building can be simulated. Potential errors during the construction phase, such as collision problems between the various structures, can be avoided in advance. The increased cost, schedule and planning security thus achieved ensures more efficient planning processes and risk containment.

Room and process planning with VR (virtual reality) are also being implemented already. Computers are used to realistically illustrate the handling of simulated systems, machines and work equipment. The working environment appears in its natural size and allows weak points to be identified in an early stage and planning to be adjusted.

This text is an excerpt from the GMP Compliance Adviser, Chapter 3.E.4


Harald Flechl


Harald Flechl
Air Conditioning Technician – Clean Room Technology
E-Mail: flechlh@chello.at
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