Paragraph 4.11 Liquefied petroleum gas storageF1
Every building must be designed and constructed in such a way that each liquefied petroleum gas storage installation, used solely to serve a combustion appliance providing space heating, water heating, or cooking facilities, will–
(a)
be protected from fire spreading to any liquefied petroleum gas container; and
(b)
not permit the contents of any such container to form explosive gas pockets in the vicinity of any container.
Limitation
This standard does not apply to a liquefied petroleum gas storage container, or containers, for use with portable appliances.