scope:

This prestandard specifies hygiene requirements relating to the design, construction and operation of commercial warewashes of a wide variety of designs and in particular provides information on their hygienic and proper operation, on cleaning and disinfection of wash ware and on care and maintenance of the machinery. It describes the methods for testing hygienic operation. It also specifies principles for proper spatial and functional arrangements within the kitchen area and for proper and hygienic organisation of the wash ware cycle.

This prestandard applies to commercial warewashers for cleaning wash ware that is used in contact with food, such as e. g. crockery, glassware, cutlery, reusable boxes and similar articles.

Commercial warewashers (see subclause 3.3) are used in kitchens e. g. in restaurants, canteens and hospitals and in commercial enterprises such as e. g. bakeries, butcher's shops, etc. Domestic warewashers and washer disinfector for the treatment of medical devices as defined by the German Medical Devices Act (MPG) [1] are excluded from the scope of this prestandard.