Imagine a early 20th century block of flats, that uses solid traditional brick construction throughout, including internally between flats and common areas and easily achieves 60 minutes FR.
Front doors and cross corridor doors are notional FD30, but are being replaced with FD30S as part of a revamp.
TD's within those in the LGA Guide, flat layouts as per current standards, Part 6 Grade D LD2 to all flats.
The only anomaly is that the only smoke control is via 1.5sqm of opening windows at each floor level off the stairwells which are open to the two (subdivided) corridor sections.
Enclosing the stairs would leave no smoke control at all to corridors and retrofitting smoke shafts to current standards is impractical.
Full alarm could be provided to include flats, but not preferred by site.
Stay put or full evacuate? Opinions (different ones are already floating about, just curious)
