Design and construction of liquid fuel tanks

Rule 911. Section 6.1 of the FL/CL code is adopted with the following changes and section 6.1.3 is added to the FL/CL code as follows: 6.1 Design and construction of liquid fueled tanks. Fuel tanks shall be constructed pursuant to the applicable tank specifications in part 2 of these rules. 6.1.3 Tanks not used to store liquids for 12 months shall be permanently closed by complying with the requirements of part 2 of these rules.