Page 646 - The City and Guilds Textbook: Plumbing Book 1 for the Level 3 Apprenticeship (9189), Level 2 Technical Certificate (8202) and Level 2 Diploma (6035)

The City & Guilds Textbook: Plumbing Book 1

l 1.8 m from openings such as doors or windows in a fire rated building or
structure such as a brick-built house or garage
l 1.8 m away from oil-fired appliance flue terminals
l 760 mm from a non-fire rated boundary such as a wooden boundary fence
l 600 mm from any trellis or foliage that does not form part of the boundary.
If any of these requirements cannot be met, then a fire protection barrier with
at least a 30-minute fire rating must be provided. A minimum separation space
of 100 mm is required between the tank and any fire-resistant barrier unless the
tank manufacturer specifies a larger distance.

Garden shed

1.8 m
Boundary of
property
1.8 m
Dwelling
760 mm
Oil storage tank
Terminal of an
oil–fired appliance

Access for oil tanker
p Figure 10.12 Siting oil tanks

Storage of liquid petroleum gas (LPG)
KEY POINT
Above all else, LPG is It should be remembered that LPG is heavier than air and will ‘search’ for the
extremely flammable and lowest position if a leak occurs – and, although LPG has a distinctive smell, this
explosive. The siting of will not be apparent until a person is at the same level as the low-lying gas.
any LPG storage tanks
must comply with certain Siting the LPG storage tank
recommendations and
any gas installation is LPG storage tanks can either be sited above or below ground. Below-ground
subject to the Gas Safety tanks are subject to ground conditions and the proximity of the water table.
(Installation and Use) According to HSE recommendations, there should be a minimum separation
Regulations 1998.
distance between the LPG storage tank and any building, boundary line or fixed
source of ignition. These distances are shown in Table 10.5. There should be no
drains or gullies in the vicinity of the tank, unless these are protected by a water
trap to prevent the gas from entering the drainage system.

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