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
train station
- main station Kiel / planning and supervision of the modernisation of the sanitary system of the main station Kiel (client: Wolfferts & Wittmer GmbH & Co)
- storm flood protection Greifswald / Planning of the sanitary and heating system of a barrage as a storm flood protection in the space of Greifswald-Wieck (client: Wolfferts & Wittmer GmbH & Co)