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5704.2.9.1.3 Fire protection of supports.
Supports or pilings for aboveground tanks storing Class I, II or IIIA liquids elevated more than 12 inches (305 mm) above grade shall have a fire-resistance rating of not less than 2 hours in accordance with the fire exposure criteria specified in ASTM E 1529.
Exception: Structural supports tested as part of a protected aboveground tank in accordance with UL 2085.
5704.2.9.1.4 Inerting of tanks with boilover liquids.
Liquids with boilover characteristics shall not be stored in fixed roof tanks larger than 150 feet (45720 mm) in diameter unless an approved gas enrichment or inerting system is provided on the tank.
5704.2.9.2 Supports, foundations and anchorage.
Supports, foundations and anchorages for aboveground tanks shall be designed and constructed in accordance with NFPA 30 and the construction codes, including the Building Code.
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