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In Scotland, the current edition of the Building Standards (Scotland) Regulations
issued by the Scottish Executive.
In Northern Ireland, the current edition of the Building regulations (Northern Ireland)
issued by the Department of
the Environment for Northern Ireland.
In the republic of Ireland the installation must also conform to the relevant parts of:
a)
The current edition of IS 813 “Domestic gas installations”
b)
All relevant national and local rules in force.
Where no specific instructions are given, reference should be made to the relevant
British Standard Code of Practice.
4.2
In the United Kingdom, as supplied, the appliance can be installed in the
following
situations: -
4.2.1
To a fireplace complete with surround and hearth as shown in figure 1 and
complying with BS1251 after removal of the fireback and sufficient material behind the
fireback for a debris catchment space. The required fireplace, hearth, debris
catchment area and clearance dimensions are shown in figure 1.
4.2.2
‘Hole-in-the-wall’ installations.
It is recommended that a
hearth should be installed
as in figure 1.
If a hearth is not fitted, the
fire must be installed so
that the distance from the
base of the fireplace
opening in the wall to the
finished floor level is at
least 85mm.Where there
is no floor covering or
carpet and the floor is of a
type that is likely to be
covered in such a way
then the distance from the
base of the fireplace
opening in the wall to the
finished floor level should
be increased to at least
160mm. The minimum
shelf height will have to be taken from the base of the fireplace opening.
!
To protect from the risk of burns and ignition of clothing a tactile separator shall be
used. The hearth detailed in section 4.9 meets the requirements for a tactile
separator. If this is not used then a 672mm long fender, kerb, horizontal bar, or other
barrier, being fixed not less than 50mm above floor level and positioned 300mm in
Page 9
INSTALLER GUIDE
©
Baxi Heating U.K. Limited 2007.
Figure 1. Hearth and fireplace opening dimensions