Union quarter Construction of an underground district heating pipeline DN 400/DA 560 and smaller with a route length of approx. 840 m plus house connections in Dortmund.

Union quarter Construction of an underground district heating pipeline DN 400/DA 560 and smaller with a route length of approx. 840 m plus house connections in Dortmund.

Part of this tender are mainly civil engineering and pipe construction work for the construction of buried plastic jacket pipes of various nominal widths in public transport areas, private land and buildings in the Dortmund city area.