In addition to being green, the pipe material was lightweight and featured excellent hydraulic properties.Esthetics played a major role in bridge renovation. The top quality pressure pipes by HOBAS were dyed green to harmonize with the surroundings. Further requirements for the pipe material, such as light weight, safe and simple mounting and excellent hydraulic properties, were met by HOBAS pipe systems. The additional technical advice offered by HOBAS, reliable references, flexibility and the wide range of fittings made reaching a decision easy for the client. A total of 108 m HOBAS HydroLine pipes DN 1600, SN 5000, PN 6 were hence delivered in standard 6 m length.