Retention System

Link Country Year Total Length [m] Nominal Diameter DN [mm] Nominal Pressure PN [bar] Nominal Stiffness SN [N/m2] Technology PDF
Storage sewer Königswinter (Siegburger Staße) Germany 1993 42 1600 1 10000 Hobas
Storage sewer Schwalbach Germany 1991 685 1800 1 5000 Hobas
Storage sewer Lünen Germany 1987 80 1200 1 5000 Hobas
Storage sewer Unna-Billmerich Germany 1986 660 1800 1 5000 Hobas
Storage sewer Hemer-Stephanopeler Tal Germany 1986 50 1800 1 10000 Hobas