ZAI Ziegler and Aulbach Ingenieurgesellschaft mbH
Schloss Rahe Straße 15
52072 Aachen

Univ.-Prof. Dr.-Ing. Martin Ziegler
Dr.-Ing. Benjamin Aulbach

Register Court:

District Court Aachen
Commercial Register-Number: HRB 18219
VAT-Number: DE289422500
Tax ID: 201/5999/4691

Responsible for content:

Univ-Prof. Dr.-Ing. Martin Ziegler

Dr.-Ing. Benjamin Aulbach

Web design and technical implementation:


References / pictures:
Prof. Ziegler & Dr. Aulbach:

Loraine Bodewes

Schloss Rahe:
With kind permission of the management of Schloss Rahe

Home page:
Foto 1: Source:
Foto 2: Source:, Rijkswaterstaat
Foto 3: Source:
Foto 4: Source:
Foto 5: Source:
Foto 6: Source:

Awarding Tiefbaurechtpreis: CBTR 
Awarding Carl-Rappert-Grundbaupreis: DGGT

Survey Reports:

Picture Justitia: Source:


Despite careful control of content we do not assume liability for the content of external links. Exclusively the operators of the linked websites are responsible for their content.

The content of this website is assembled with appropriate accuracy. The including information is correct, complete and current in all conscience. Nevertheless a liability or a warranty for the currentness, the accuracy and the completeness of the provided information and data is excluded. Anytime the ZAI Ziegler und Aulbach Ingenieurgesellschaft mbH is allowed to change this website at their discretion without any advice in whole or in part and / or withdraw the service and is not forced to update the website.

The content of the website is copyrighted. The reproduction of information, in particular the use of texts, parts of the text or pictures require an approval of the ZAI Ziegler und Aulbach Ingenieurgesellschaft mbH.