1.1 These requirements cover steel primary, steel secondary, and steel diked type atmospheric storage tanks from 60 to 660 gallons (227 to 2500 L) intended primarily for the storage and supply of heating fuels for oil burning equipment, or alternately for the storage of diesel fuels for compression ignition engines and motor oils (new and used) for automotive service stations, in aboveground applications.
1.2 Each tank type shall be permitted to be fabricated in various shapes (cylindrical, rectangular or obround), orientations (horizontal, vertical) and may have integral options (tank supports or accessories), as covered in this Standard.
1.3 These shop fabricated tanks are completely fabricated, inspected and tested for leakage before shipment from the factory as completely assembled vessels except for options intended for field assembly in accordance with the manufacturers instructions.
1.4 Each tank shall be permitted to be fabricated as a double bottom tank as covered in this Standard.
1.5 These tanks are intended for installation and use in accordance with the Standard for the Installation of Oil-Burning Equipment , ANSI/NFPA 31, the Flammable and Combustible Liquids Code, ANSI/NFPA 30, the Code for Motor Fuel Dispensing Facilities and Repair Garages, NFPA 30A, the Uniform Fire Code, ANSI/NFPA 1, and the International Fire Code published by the International Code Council.
1.6 These requirements do not apply to tanks covered by the Standard for Steel Underground Tanks for Flammable and Combustible Liquids, UL 58, the Standard for Steel Aboveground Tanks for Flammable and Combustible Liquids, UL 142, the Standard for Fire Resistant Tanks for Flammable and Combustible Liquids, UL 2080, the Standard for Protected Aboveground Tanks for Flammable and Combustible Liquids, UL 2085, or the Outline of Investigation for Non-Metallic Oil Burner Fuel Tanks, SU 2258.
1.7 These requirements do not apply to tanks covered by the Specification for Field-Welded Tanks for Storage of Production Liquids, API 12D; and the Specification for Shop-Welded Tanks for Storage of Production Liquids, API 12F or the Standard for Welded Steel Tanks for Oil Storage, API 650.
1.8 These requirements do not cover storage of waste oils or other combustible liquids with different fire, physical, or material compatibility properties with respect to the intended liquids in 1.1, and do not cover fuel blends with more than 20 percent of bio diesel fuel. These requirements do not cover storage of flammable liquids.
1.9 These requirements do not cover special evaluations for resistance to hurricanes, tornadoes, earthquakes, floods, fires or other natural disasters; or resistance to vehicle impact.
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