scope:

This European Standard specifies the interface requirements for water restocking equipment, and the on board system to preserve the quality of the water supply. It is applicable to railway vehicles fitted with water taps for use in toilets, washing facilities, water dispensers and catering equipment and the railway infrastructure at designated servicing sites.

This European Standard is not applicable to filling railway vehicles with water for the purpose of engine cooling, steam heating or work equipment on on-track machines.