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3.4.3. Physical Barrier
Any physical barrier should meet the
following requirements:
1.
Provide at least the equivalent level of
warning to the approach of an open fire,
to that of a hearth.
2.
Define a clear zone where occupants
must exercise additional caution.
3.
Should
be
constructed
of
non-
combustible material, of robust design
and fixed in such a way so as to provide
a secure boundary and be mechanically
fixed to prevent accidental and/or
unintentional removal.
Such a device could take the form of a
fender, a shelf, a wall mounted decorative
bar, etc.
All Models
W
Must project a minimum of
150mm either side of any naked
flame or incandescent material
D
Must project a minimum of
300mm in front of any naked
flame or incandescent material
The height of any physical barrier must
be a minimum of 50mm above the
finished floor level.
Table 2 – Protected Area
Figure 38
and
Figure 39
show examples of
area to be protected by the physical barrier.
Figure 40
,
Figure 41
and
Figure 42
and
show methods for calculating the barrier
width, but must remain at least the width of
the fireplace opening.
W
D
Fire
bed
Figure 38
D
Fire
bed
Figure 39
Fire Bed
X
X
Y
X=150mm, less dimension Y
Figure 40
Fire Bed
X
X
Y
X=150mm, less dimension Y
Figure 41
Fire Bed
X
X
X=150mm
Figure 42