Sanitary refurbishment or urban renewal (German Assanierung) in the Central European urban hygiene discourse denotes structural alterations made for hygienic, technical, social, or traffic-related reasons [6. 26], with particular emphasis on hydraulic engineering.
1. Hygiene
Concepts of water hygiene based on the evidence of the senses were already widespread in pre-industrial society. Ever since the trauma of the devastating plague epi…