Regulation 41

A plan of every chamber intended for the storage of dangerous petroleum in quantities exceeding 227 litres but not exceeding 2,270 litres shall be deposited with the Director, and shall show the position and nature of every other building within 30 metres of the same to a scale of not less than 10 metres to 2.5 centimetres and plans as required by the Building Control Act [Cap. 29] and the regulations made thereunder shall also be submitted: Provided that in the case of any building lawfully used immediately prior to 24th December 1926 for the storage of dangerous petroleum in quantities exceeding 227 litres but not exceeding 2,270 litres it shall not be necessary to deposit the plan unless the Director by notice in writing requires such plan to be deposited.