5704.2.13.1.2 Out of service for 30 days.
FC § 5704.2.13.1.2
Except as otherwise provided in FC 5704.2.13.1.1, underground tanks not used for a period of 30 calendar days or more shall be removed from the premises, or sealed in place in compliance with the requirements of FC 5704.2.13.1.3, or safeguarded in compliance with the following requirements: 1. Flammable or combustible liquids shall be removed from the tank and connecting piping.
2.The tank and connecting piping shall be rendered free of flammable and combustible vapors using an inert gas.
3.Except for any active fire extinguishing system piping, the tank and connecting piping, including fill line, gauge opening, vapor return and pump connection, shall be capped or plugged and secured from tampering and the fill connection covered with concrete.
4.Vent lines shall remain open and be maintained in accordance with FC 5704.2.7.3 and 5704.2.7.4.













