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15
4.6 - INSTALLATION - OIL SUPPLY
OIL STORAGE TANK SITING
Consult OFTEC Manuals
It is unlikely that a fire will start at an oil tank. However,
the stored fuel must be protected from a fire or heat
source that originates nearby. For this reason oil tanks
of up to 2,500 litres should be separated from openings,
other than airbricks, in the building by a minimum of 1.8m
and a non-fire rated boundary by a minimum of 760mm.
Where this cannot be achieved, a 30 minute fire rated
barrier should be constructed between the hazard and
the tank, which extends a minimum of 300mm higher and
300mm past each end of the tank. Note that a minimum
separation distance should be maintained between a flue
exit and fire barrier (see page 15 (flue clearances).
Steel tanks must be mounted on brick or block piers with
a waterproof membrane between the piers and tank.
Oil storage tanks should not be sited within 1.8m of
boiler flue outlets.
Do not allow household waste or hot ashes container in
vicinity of oil storage tank or boiler flue outlet.
FLEXIBLE OIL PIPE(S)
A flexible burner oil hose is supplied with the boiler which
must be wholly contained within the appliance case.
Please note: A filter must not be fitted inside the boiler
and all joints in the oil line must be oil tight. Soldered
joints are not permissible. Before connecting to the
boiler, always flush the complete oil supply line and
ensure that oil supply is completely clean and free of
any dirt or foreign matter.
OIL LINE CONFIGURATION
Refer to burner manual section on Hydraulic Systems for:
•Twopipesystems.
•Pipesizing&distance.
•Tankheights.
•Pumppriming.
REGULATIONS & STANDARDS
In England and Wales, installation in single family
dwellings have to comply with the building Regulations
Part J. This requires compliance with BS 5410 Part 1 :
2014. All tanks either deemed to be at risk or with a
capacity of more than 2,500 litres will require to be
bunded.
For installation in Scotland, Building Standard Part
F applies. This requires compliance with BS 5410 Part 1:
2014 and BS 5410 Part 2: 2013. All tanks either deemed
to be at risk or with a capacity of more than 2,500 litres
will require to be bunded.
Those externally installed tanks with a capacity of less
than 2,500 litres will require a bund if located not more
than 50 metres from a spring or bore hole, 10 metres
from controlled waters and additionally where it may
constitute a hazard.
The above risks and hazards are described in OFTEC
book 3.
In Northern Ireland, the Building Regulations do not
currently cover the installation of oil storage tanks.
In the Republic of Ireland the requirements of BS 5410
Part 1: 2014 and BS 5410 Part 2: 2013 are required to be
complied with be Building Regulations Part J.
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