1305.16 Method of ventilation of fuel oil storage tank rooms.
MC § 1305.16
Where required by this code, fuel oil storage tank rooms shall be ventilated to limit the concentration of vapors within the room at or below 25 percent of the Lower Flammable Limit (LFL) of the fuel oil being used via an independent exhaust system to the outdoors complying with the following: 1. The exhaust system shall operate continuously at a rate of two air changes per hour. Exception: Continuous operation shall not be required where listed detection devices are interlocked to operate such exhaust system to maintain concentration of vapors below 25 percent of LFL.
2.Multiple tank rooms may be served by a shared exhaust system.
3.Make-up air shall be provided via a ducted building ventilation system.
4.All dampers, including smoke dampers, shall be interlocked with the exhaust air system.
