Technical Booklet E Fire Safety·Page 118·Diagram 4.6, para 4.36(a) and Table 4.6 item 2
Alternative arrangement of cavity barriers in roof space over protected stairway
Diagram showing two alternative arrangements for cavity barriers in roof space above a protected stairway in a dwellinghouse of three or more storeys, with or without cavity barrier(s) in the roof space.
Alternative arrangement of cavity barriers in roof space over a protected stairway in a dwellinghouse of three or more storeys. (a) With cavity barrier(s) as required by Table 4.6. (b) Alternative arrangement with fire-resisting ceiling. Both arrangements show fire-resisting enclosure to stairway and fire-resisting ceiling (see Diagram 4.7).
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