Technical Booklet E Fire Safety·Page 82·2.103
Shop store room fire safety separation
Fully enclosed walk-in store rooms within shops that prejudice means of escape must be separated from retail areas by fire-resisting construction unless equipped with automatic fire detection to BS 5839-1 Category L5 standard or an automatic sprinkler system to BS 5306-2 or BS EN 12845.
Where the siting of a fully enclosed walk-in store room within a shop prejudices a means of escape it should be separated from the retail areas by fire-resisting construction other than where – (a) it is provided with an automatic fire detection and fire alarm system to BS 5839-1 of at least Category L5 standard with a smoke detector or detectors located in the store room; or (b) it is fitted with an automatic sprinkler system in accordance with Section 8 complying with the relevant recommendations of BS 5306-2 or BS EN 12845.
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