UL 2258 OUTLINE
OUTLINE OF INVESTIGATION FOR NONMETALLIC TANKS FOR OIL-BURNER FUELS AND OTHER COMBUSTIBLE LIQUIDS
|Publication Date:||18 August 2010|
These requirements cover nonmetallic or composite primary, secondary and diked type atmospheric storage tanks from 60 - 660 gallons (227 - 2500 L) intended primarily for the storage and supply of heating fuel 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.
Each tank type is permitted to be fabricated in a combination of various shapes (cylindrical, rectangular or obround), orientations (horizontal, vertical) and may have integral options (tank supports or accessories) as covered in this Outline of Investigation.
These shop built 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.
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 Fuel Dispensing Facilities and Repair Garages, NFPA 30A; and the International Fire Code published by the International Code Council.
These requirements do not apply to steel tanks covered by the Standard for Steel Underground Tanks for Flammable and Combustible Liquids, UL 58; the Standard for Steel Tanks for Oil-Burner Fuels and Other Combustible Liquids, UL 80; or the Standard for Steel Aboveground Tanks for Flammable and Combustible Liquids, UL 142.
These requirements do not apply to nonmetallic tanks covered by
the Standard for Glass-Fiber-Reinforc
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, but do cover 100 percent bio diesel and bio diesel blends up to 20 percent. These requirements do not cover storage of flammable liquids.
These requirements do not cover special evaluations for resistance to hurricanes, tornadoes, earthquakes, floods, fires or other natural disasters; or resistance to vehicle impact.