03.11.2026
Recognise, name and declare construction waste correctly!
Köln, 24.11.2026
Professionally recognise the potential for additional work due to pollutants in demolition
Dachau, 01.12.2026
The contract in accordance with VOB/B including supplement management
Köln, 27.04.2027
The contract in accordance with VOB/B including supplement management