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1.1 This Standard covers construction and performance requirements for the tank accessories identified in Clause 1.2, for use on atmospheric aboveground tanks not exceeding 19,927 L (5,000 U.S. gal) which are intended for the storage and supply of heating fuels for oil burning equipment, diesel fuels for compression ignition engines, motor oils (new or used) for automotive service stations, and similar combustible liquid applications.
In addition to this Standard’s traditional safety requirements for tank accessories that primarily evaluate functional operation, structural integrity, and mitigate fire and environmental hazards from loss of liquid containment under expected normal conditions; optional construction and/or performance requirements, and associated ratings, intended to address more severe conditions associated with the effects of Climate Change are included in Appendix B.
1.2 These requirements cover the following tank accessories intended for installation in, on or connected to the storage tank or supply tank in accordance with the manufacturer's instructions:
a) Liquid Level Gauges – mechanical float, low-voltage electric, or other types with integral or remote indicators;
b) Fill Signal Devices –indicating devices with audible and/or visual signals, including “whistle vent” alarms;
c) Aboveground Piping Systems – aboveground pipe and fittings for tank fill & venting and supply of utilization equipment, including flexible hose; and
d) Fill Pipe Covers & Vent Pipe Caps.
1.3 These requirements do not cover any tank accessories for products covered by the requirements of:
a) UL 565 and ULC/ORD-C565 for electrical liquid level gauges for flammable liquid tanks;
b) UL 1238 and CAN/CSA-C22.2 No. 61010-1 for electrical fill signal devices for flammable liquid tanks;
c) UL 971, UL 971A, or CAN/ULC-S679 for underground piping systems, or UL 2039 or CAN/ULC-S633 for flexible connector pipe;
d) UL 1238 and CAN/ULC-S675.1 or CAN/ULC-S675.2 for leak detection devices for flammable liquid tanks;
e) UL 2583 for fill pipe covers, pressure vacuum vents or emergency vents for flammable liquid tanks;
f) UL 2085 and CAN/ULC-S661 for spill containment devices for flammable liquid tanks;
g) UL 2085 and CAN/ULC-S663 for overfill prevention devices for flammable liquid tanks;
h) UL 331 and ULC/ORD-C331 for filters and strainers for flammable and combustible liquids; or
i) UL/ULC 1369 for requirements applicable to larger diameter piping for flammable and combustible liquids intended for motor vehicle fueling and generator supply applications.
1.4 The products covered by this Standard are intended for installation and use in accordance with the applicable Codes and Regulations as determined by the Authority Having Jurisdiction (AHJ), such as:a) In the United States:
1) Flammable and Combustible Liquids Code, NFPA 30;
2) Code for Motor Fuel Dispensing Facilities and Garages, NFPA 30A;
3) Standard for the Installation of Oil-Burning Equipment, NFPA 31
4) Uniform Fire Code, NFPA 1;
5) International Fire Code published by the International Fire Council; and/or
6) Other applicable federal and state regulations for combustible liquid tank accessories.
b) In Canada:
1) The National Fire Code of Canada;
2) CAN/CSA-B139, Installation Code for Oil Burning Equipment;
3) CCME Environmental Code of Practice for Aboveground and Underground Storage Tank Systems Containing Petroleum and Allied Petroleum Products; and/or
4) Provincial or other Regulations.
1.5 Except for optional Climate Change Adaptation requirements in Appendix B, these requirements do not cover special evaluations for resistance to, or use after, earthquakes, floods, high wind events, or other natural disasters; or resistance to vehicle impact.
NOTE 1: See the Note at the beginning of Appendix B for further information on the terms “Adaptation” and “Mitigation”, as they pertain to Climate Change.
1.6 These requirements do not cover evaluation of either resistance to, or emission of, electromagnetic interference, or compliance with Federal Communications Commission (FCC) or Industry Canada Department of Communications regulations for electrical products with local or remote signal features, or the effectiveness of optional wired or wireless signal communications to remote service providers or central station monitors.
1.7 These requirements do not cover any applications with flammable liquids, or for electric gauging or signaling, use in hazardous (classified) locations, or waste oils that may contain high levels of contaminants and/or flammable liquids.
1.8 These requirements do not cover the use of accessories with waste oils or other combustible liquids with different physical or material compatibility properties than they are evaluated for, but do cover use with bio diesel blends up to 20 %, or up to 100 % bio diesel if optionally tested.