Tunnelling work for "Wolfsbachtal Sammler" collector in Essen
Sewer construction in the protected area, tunnelling work at more than 30 m depth, 580 large-diameter pipes - "Wolfsbachtal Sammler" collector is a real mammoth project.
Sewer construction in the protected area, tunnelling work at more than 30 m depth, 580 large-diameter pipes - "Wolfsbachtal Sammler" collector is a real mammoth project.