scope:

Specifies the requirements and the method of classification for fire resisting walls or partitions which are formed as doorways for the passage of people, goods or vehicles. Fire resisting doorsets can onluy provide their designed fire resistance when they are in the closed position. Identifies the requirements and method of conformity necessary to demonstrate that a measured fire resistance capability can be assumed to cover their designed working life. To that end, this standard identifies operational capabilities combined with fire resistance.