Classic sewage disposal:
- Sewage disposal concepts
- Municipal drainage structures
- General drainage plans
- Wastewater treatment plants
- Wastewater pumping stations
- Culverts
- Rainwater retention tanks
- Mixed water treatment plants
Special services / Partial services:
- Hydrodynamic channel network authorisations
- Pollution load authorisation
- Process engineering
- Wastewater discharge calculations
- Applications to water authorities
Industrial estate Langewiesen, Canalisation and rainwater retention
Planning and construction management 
Sewage disposal Jena, Stormwater tank at ZKA
Planning and construction management
Industrial estate Simson Suhl, Canalisation
Planning and construction management
Sewage disposal Hildburghausen, sewer with storage capacity Gerbergasse
Planning and construction management
Wastewater treatment plant Weida
Wastewater treatment plant Schlematal