Corridor enclosure with cavity barriers

Alternative arrangements for corridor enclosure: (a) Section showing use of cavity barriers above the corridor enclosure as required by Table 4.6 (b) Alternative arrangement plan showing subdivision of the storey by fire-resisting construction [see Table 4.6, item 7 and note (4)] the subdivision is carried full storey height and includes subdivision of the corridor. a cavity barrier is used in the corridor ceiling void, over the corridor subdivision.