This part of BS 799 specifies requirements for the construction and
testing of static carbon steel tanks for the storage of liquid fuel of
classes A2, C1, C2, D, E, F, G and H conforming to BS 2869:2006 and
FAME (fatty acid methyl esters) conforming to BS EN 14213, for use in
conjunction with oil burning equipment. The standard is applicable
to tanks of the following types intended for use above ground, either
externally or internally to a building:
a) service tanks;
b) primary storage tanks with a capacity of 90 L or more with a
maximum height of 10 m.
This standard is not applicable to tanks that are to be buried.