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Smoke and fire spread prevention in protected stairways
2.77NI-wide·Technical Booklet K Ventilation
Where ducts, etc. are provided in a dwelling with a protected stairway, precautions should be taken to avoid the possibility of the system allowing smoke or fire to spread into the stairway.
dwellingventilationfire-safetymeans-of-escapeVentilation of habitable rooms through conservatories
2.112NI-wide·Technical Booklet K Ventilation
A habitable room not containing openable windows may be ventilated through a conservatory (see Diagram 2.4) where – (a) there is, from the conservatory to outside, provisions for both – (i) rapid vent
dwellingventilationmeans-of-escapeCoordination with Technical Booklet E for emergency egress windows
B6NI-wide·Technical Booklet K Ventilation
It should be noted that Technical Booklet E includes provisions for the size of emergency egress windows. The larger of the provisions in Technical Booklet E or K should apply in all cases.
dwellingventilationmeans-of-escape