As used in this article, the following terms shall have the meanings indicated:
LIQUEFIED PETROLEUM GAS
Any material which is composed predominantly of any of the following hydrocarbons or mixtures of them: propane, propylene, butane (normal butane or isobutane) and butylenes.
A permit shall be obtained for each installation of liquefied petroleum gas irrespective of size of containers. Prior to making such an installation, an installer shall submit plans to the Chief of the Fire Department, Fire Marshal, or a deputy of either, and if compliance with the requirements of this Part 1 is shown by said plans, a permit shall be issued.