Owa area "existing tunnel" - Lot 8: Technical equipment: sewage, water systems + Technical equipment: process engineering systems (lifting systems/pumps)
Germany – Architectural, Engineering And Planning Services – Owa Bereich "bestandstunnel": Los 3: Bauphysik: Raumakustik Und Technische Ausrüstung: Fernmelde- Und Informationstechnische Anlagen