Page 53 - 2018_IFC

DEFINITIONS

power to a suitably connected electrical load, designed for [A] BUILDING OFFICIAL. The officer or other designated
service in a permanent location. authority charged with the administration and enforcement of
the International Building Code, or a duly authorized repre-
BIN BOX. A five-sided container with the open side facing sentative.
an aisle. Bin boxes are self-supporting or supported by a
structure designed so that little or no horizontal or vertical BULK OXYGEN SYSTEM. An assembly of equipment,
space exists around the boxes. such as oxygen storage containers, pressure regulators, safety
devices, vaporizers, manifolds and interconnecting piping,
BIOMASS. Plant- or animal-based material of biological ori- that has a storage capacity of more than 20,000 cubic feet
gin excluding material embedded in geologic formations or (566 m ) of oxygen at normal temperature and pressure
3
transformed into fossils.
(NTP) including unconnected reserves on hand at the site.
BLAST AREA. The area including the blast site and the The bulk oxygen system terminates at the point where oxy-
immediate adjacent area within the influence of flying rock, gen at service pressure first enters the supply line. The oxy-
missiles and concussion. gen containers can be stationary or movable, and the oxygen
can be stored as a gas or liquid.
BLAST SITE. The area in which explosive materials are
being or have been loaded and which includes all holes BULK PLANT OR TERMINAL. That portion of a prop-
loaded or to be loaded for the same blast and a distance of 50 erty where flammable or combustible liquids are received by
feet (15 240 mm) in all directions. tank vessel, pipelines, tank car or tank vehicle and are stored
or blended in bulk for the purpose of distributing such liquids
BLASTER. A person qualified in accordance with Section by tank vessel, pipeline, tank car, tank vehicle, portable tank
3301.4 to be in charge of and responsible for the loading and or container.
firing of a blast.
BULK TRANSFER. The loading or unloading of flammable
BLASTING AGENT. A material or mixture consisting of or combustible liquids from or between tank vehicles, tank
fuel and oxidizer, intended for blasting provided that the fin- cars or storage tanks.
ished product, as mixed for use or shipment, cannot be deto-
nated by means of a No. 8 test detonator when unconfined. BULLET RESISTANT. Constructed so as to resist penetra-
Blasting agents are labeled and placarded as Class 1.5 material tion of a bullet of 150-grain M2 ball ammunition having a
by US DOTn. nominal muzzle velocity of 2,700 feet per second (fps) (824
mps) when fired from a 30-caliber rifle at a distance of 100
[BE] BLEACHERS. Tiered seating supported on a dedi- feet (30 480 mm), measured perpendicular to the target.
cated structural system and two or more rows high and is not
a building element (see “Grandstand”). CANOPY. A structure or architectural projection of rigid
construction over which a covering is attached that provides
[BG] BOARDING HOUSE. A building arranged or used for weather protection, identity or decoration, and may be struc-
lodging for compensation, with or without meals, and not turally independent or supported by attachment to a building
occupied as a single-family unit.
on one end and by not less than one stanchion on the outer
BOILING POINT. The temperature at which the vapor pres- end.
sure of a liquid equals the atmospheric pressure of 14.7 CAPACITOR ARRAY. An arrangement of individual
pounds per square inch absolute (psia) (101 kPa) or 760 mm capacitor modules in close proximity to each other, mounted
of mercury. Where an accurate boiling point is unavailable on storage racks or in cabinets or other enclosures.
for the material in question, or for mixtures which do not
have a constant boiling point, for the purposes of this classifi- CAPACITOR ENERGY STORAGE SYSTEM. A station-
cation, the 20-percent evaporated point of a distillation per- ary, rechargeable energy storage system consisting of capaci-
formed in accordance with ASTM D86 shall be used as the tors, chargers, controls and associated electrical equipment
boiling point of the liquid. designed to provide electrical power to a building or facility.
The system is typically used to provide standby or emergency
BONFIRE. An outdoor fire utilized for ceremonial purposes.
power, an uninterruptable power supply, load shedding, load
[BE] BREAKOUT. For revolving doors, a process whereby sharing or similar capabilities.
wings or door panels can be pushed open manually for means Preengineered capacitor energy storage system. A
of egress travel.
capacitor energy storage system consisting of capacitors,
BRITISH THERMAL UNIT (BTU). The heat necessary to an energy management system, components and modules
raise the temperature of 1 pound (0.454 kg) of water by 1°F that are produced in a factory, designed to comprise the
(0.5565°C). system when assembled on the job site.
[A] BUILDING. Any structure utilized or intended for sup- Prepackaged capacitor energy storage system. A capac-
porting or sheltering any occupancy. itor energy storage system consisting of capacitors, an
energy management system, components and modules that
BUILDING AREA. See “Area, building.”
is factory assembled and then shipped as a complete unit
BUILDING HEIGHT. See “Height, building.” for installation at the job site.

20 2018 INTERNATIONAL FIRE CODE ®
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