SL-Rasch Stuttgart, from 2007 to 2012 in order to support the design and built of the Abraj Al Bait building in Makkah, KSA. Implementation of design requirements in technical equipment and coordination of appropriate consultants for trades mechanical, electrical, fire fighting etc..

K.M.-Hardwork Stuttgart
from 2000 to 2005, freelancing in construction and site processing
* design&realization of a staircase with enclosed curtain wall for MoireStairTower, Bonn, Germany (traded by „Deutsche Post“), design, preparation of manufacturing, site, documentation
* design&realization of a inner double curtain wall in the atrium of the new “Mercedes-Benz-Museum” Stuttgart, Germany,
* design and realization of a car shelf for Skoda, czech republik together with "jangled nerves" Stuttgart.

MaurerSöhne Group, Munich
from 2002 to 2005
preparation of realizations of various coaster construction for department “amusement rides”,  definition of an cusumized interface between design and realization on basis of AutoCAD/prosteel, programming
comparison/calibration of the “as built”-roof construction (steel parts) in preparation of the inner cladding for BMW-world, Munich, Germany ( measurement, preparation of “as-built” drawings, 3D-model)

Christian Blei, Düsseldorf
since 1998
support in different tasks for Kleemann, Göppingen, Germany (industrial hall building, customized steel facilities and engines) on base of AutoCAD/prosteel,
maintenance footbrigdes of MaurerSöhne, Munich, Germany (department general steel-girder constructions) for the new BMW-world (implementation in a “as built” construction by Fa. Gartner, Gundelfingen, Germany)

various geometric feasibility studies

* in the context of the realization of the Mercedes-Benz-Museum together with Arnold Walz, Stuttgart, Germany
* high-grade steel curtain to face the entrance area from the public street side for Swarowski, Wattens, Austria in cooperation with Werner-Sobek-Engineers, Stuttgart
* study for a outside shading system of the EPFL-Learning Center in Lausanne in cooperation with Sanaa architects, Tokio, Japan and Gerriets, Freiburg, Germany

..