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24.02.2026, Köln
Professionally recognise the potential for additional work due to pollutants in demolition

04.03.2026, Köln
The contract in accordance with VOB/B including supplement management

21.04.2026 - 23.04.2026
Application and operation of crushers

18.05.2026, Eschborn
The contract in accordance with VOB/B including supplement management

09.06.2026, Köln
Professionally recognise the potential for additional work due to pollutants in demolition

16.06.2026, Köln
Client liability when using subcontractors – also online

14.09.2026, Hamburg
The contract in accordance with VOB/B including supplement management

22.09.2026 - 24.09.2026
Application and operation of crushers

24.11.2026, Köln
Professionally recognise the potential for additional work due to pollutants in demolition

01.12.2026, Dachau
The contract in accordance with VOB/B including supplement management





