Fig. 2. Site plan of the water tunnel and access to the piping. // Bild 2. Lageplan des Gewässertunnels und Zugänge zur Verrohrung. Source/Quelle: FZN/Benjamin Haske, Bodo Bernsdorf
Home » Risk and Safety Management for Surveying Work in Underground Cavities that Are Difficult to Access » ISSA_Paasbach_2_Lageplan_Gewaessertunnel_Zugaenge_Verrohrung