Thorough repair of the dike - earthworks, sheet pile wall installation as interior sealing, path and road construction, replacement construction of Siel - demolition work and disposal, new sewer construction in in-situ concrete construction Preservation and integration of plant components under monument protection law

Repair of the dike - earthworks, sheet pile wall installation, path and road construction, replacement construction Siel - demolition work and disposal, new sewer construction in in-situ concrete construction Preservation and integration of plant components under monument protection law - Supply and manufacture approx. 18,000 m² sheet piling (screed length 13.0-16.5m) - Approx. 2,500 m³ topsoil removal and storage - Approx. 2,750 m³ topsoil application - Loosen and recycle approx. 1,500 m³ of soil - Loosen and reinstall approx. 6,640 m³ of soil - Deliver and apply approx. 6,250 m³ of soil - supply and manufacture approx. 8300 m² of gravel base course - Supply and manufacture approx. 3,500 m² of concrete block paving - Demolition work on the old Siel culvert structure Zwethau I – preservation of wing walls - Replacement of the Siel culvert structure and shaft in in-situ concrete construction with integration and renovation of the listed wing walls