safe-for-hot work
as defined in Regulation (EU) No 1257/2013 of the European Parliament and of the Council of…, Article 3(1), point (19) (Definitions)
a space in which all of the following criteria are met: (a) safe, non-explosive conditions, including gas-free status, exist for the use of electric arc or gas welding equipment, cutting or burning equipment or other forms of naked flame, as well as heating, grinding, or spark-generating operations; (b) the safe-for-entry criteria set out in point 18 are met; (c) existing atmospheric conditions do not change as a result of the hot work; (d) all adjacent spaces have been cleaned, rendered inert or treated sufficiently to prevent the start or spread of fire