prEN 14972-17

This document specifies fire testing requirements for water mist systems used for fire protection of domestic and residential occupancies up to a maximum ceiling height of 5,5 m.
EXAMPLE  Examples for residential occupancies are family dwelling/house, bed and breakfast, apartment buildings, blocks of flats, care homes, small hotels or hostels, and residential areas in hotel bedrooms and guest corridors.
NOTE  Some countries might have a national annex with guidance on the maximum height of the building, minimum design area and any additional requirements.