“Wolfsbachtal Sammler” collector in the nature reserve
- Client
- Stadtwerke Essen (municipal works)
- Scope of services
- 4,950 m² intersecting bored pile wall, 1,400 m² reinforced-concrete interior cladding for bored pile wall, 370 m² sheet piling, 1,540 m² pile retaining shoring, 915 m² panel shoring
