In our 14-year-old professional activity we have taken over first on freelance base by Mr. Andre Hahn personally and since 2009 as TGAP Hahn UG (liability-limited) for numerous engineer's offices, executive companies and developers the following planning missions and have explained:
hospitals / medical practice
embassies
- Indian embassy in Berlin/ planning and supervision of heating, refrigeration, ventilation, sanitary, standpipe and control engineering systems (client: ENTEC GmbH)