Short description
This standard provides experts who carry out hygienic and technical assessments of drinking water supply systems with practical guidance on how to conduct and document such assessments correctly. Such a hygienic and technical assessment may be carried out on an as-needed basis - for instance, in the event of irregularities such as Legionella contamination - or on a system-wide basis, e. g. to determine the current status or to analyse vulnerabilities. To this end, it specifies formal and substantive requirements. It assist the target audience for such reports - operators, regulatory authorities, maintenance specialists and others - in understanding.