Summary of key legal requirements 379
➤
Appliances must be so designed and constructed
as to minimise the risk of explosion in the event of a
fi re of external origin
➤
Appliances must be so designed and constructed
that failure of a safety, controlling or regulating
device may not lead to an unsafe situation
➤
Appliances must be so constructed that gas release
during ignition and reignition and after fl ame extinc-
tion is limited in order to avoid a dangerous accu-
mulation of unburned gas in the appliance
➤
Appliances intended to be used in indoor spaces
and rooms must be fi tted with a special device
which avoids a dangerous accumulation of
unburned gas in such spaces or rooms
➤
Appliances must be so constructed that, when used
normally, there will be no accidental release of com-
bustion products
➤
Parts of the appliance which are intended to be
placed in close proximity to the fl oor or other sur-
faces must not reach temperatures which present a
danger in the surrounding area.
15.20 The Gas Safety (Installation and Use) Regulations 1998 (SI 2451) These regulations focus on the safe installation and use
of gas appliances. Some of the key requirements are
summarised below:
➤
Installation is only carried out by competent persons
(they must be registered with CORGI – the Council
for Registered Gas Installers)
➤
General safety precautions are met during installa-
tion including:
➤
Ensuring the gas fi tting is of good construction
and sound material
➤
Working in such a way as to prevent a danger-
ous release of gas
➤
Not searching for gas leaks with a source of
ignition
➤
Not installing a gas storage vessel in a base-
ment or cellar
➤
Gas
fi ttings are properly supported and protected
➤
Alterations to existing fi ttings do not adversely affect
the safety of the fi tting
➤
An emergency control (isolation valve) is provided
before gas is fi rst supplied in any premises
➤
Gas appliances are not installed unless they can be
used without danger to people
➤
Flued domestic gas appliances must be connected
by fi xed rigid pipes
➤
Installers of gas appliances must not leave the appli-
ance connected unless it can be used or is sealed
off from the gas supply
➤
Flues are suitable and in a safe position
➤
Only room sealed appliances must be installed in
bath/shower rooms
➤
Gas
fi re or heaters intended to be used in sleeping
accommodation must be room sealed appliances or
incorporate a safety device to shut the device down
➤
Appliances are only used if they are safe
➤
Landlords must ensure that gas appliances are
tested at 12 monthly intervals.