If your premises has corridors more than 30m
long, then generally these corridors should be
subdivided near the centre of the corridor with
fire doors and, where necessary, fire-resisting
construction to limit the spread of fire and
smoke and to protect escape routes if there
is a fire.
Where a corridor serves two exits from a floor,
generally these corridors should be subdivided
with fire doors to separate the two exits (see
Figure 33).
Doors that are provided solely for the purpose
of restricting the travel of smoke need not be
fire doors, but will be suitable as long as they
are of substantial construction, are capable of
resisting the passage of smoke, and are selfclosing.
Smoke should not be able to bypass
these doors, e.g. above a false ceiling, or via
alternative doors from a room, or adjoining
rooms, opening on either side of the subdivision.
If your premises has corridors more than 30m
long, then generally these corridors should be
subdivided near the centre of the corridor with
fire doors and, where necessary, fire-resisting
construction to limit the spread of fire and
smoke and to protect escape routes if there
is a fire.
Where a corridor serves two exits from a floor,
generally these corridors should be subdivided
with fire doors to separate the two exits (see
Figure 33).
Doors that are provided solely for the purpose
of restricting the travel of smoke need not be
fire doors, but will be suitable as long as they
are of substantial construction, are capable of
resisting the passage of smoke, and are selfclosing.
Smoke should not be able to bypass
these doors, e.g. above a false ceiling, or via
alternative doors from a room, or adjoining
rooms, opening on either side of the subdivision.
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