As used in this chapter, 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. 
A permit shall be obtained for each installation of liquefied petroleum gas employing a container or an aggregate of interconnected containers of over two thousand (2,000) gallons' water capacity and for each permanent installation, irrespective of size of containers, made at buildings in which people congregate for civic, political, educational, religious, social or recreational purposes. Such buildings shall include schools, churches, hospitals, institutions, hotels and restaurants, each having a capacity of twenty (20) or more persons. Prior to making such an installation, an installer shall submit plans to the Chief of the Fire Department, and if compliance with the requirements of this code is shown by said plans, a permit shall be issued.
B. 
Installers shall maintain a record of all installations for which a permit is not required by Subsection A of this section (but not including installation of gas-burning appliances and replacing of portable cylinders) and shall have it available for inspection by the Chief of the Fire Department.
It shall be the duty of the Chief of the Fire Department to inspect a reasonable number of liquefied petroleum gas installations to determine if the provisions of this code are being complied with.
Within the limits established by law restricting the bulk storage of liquefied petroleum gas for the protection of heavily populated or congested commercial areas, the aggregate capacity of any one (1) installation shall not exceed two thousand (2,000) gallons' water capacity, except that in particular installations this capacity limit may be altered at the discretion of the Chief of the Fire Department after consideration of special features such as topographical conditions, nature of occupancy and proximity to builders, capacity of proposed tanks, degree of private fire protection to be provided and facilities of the local Fire Department.