Page 56 - 2018_IFC

DEFINITIONS

sheet polyethylene, and secured with steel, synthetic or [BG] CUSTODIAL CARE. Assistance with day-to-day liv-
wire bands, or wire; also includes linters (lint removed ing tasks; such as assistance with cooking, taking medication,
from the cottonseed) and motes (residual materials from bathing, using toilet facilities and other tasks of daily living.
the ginning process). Custodial care includes persons receiving care who have the
ability to respond to emergency situations and evacuate at a
Baled cotton, densely packed. Cotton, made into banded slower rate and/or who have mental and psychiatric compli-
bales, with a packing density of not less than 22 pounds cations.
3
per cubic foot (360 kg/m ), and dimensions complying
with the following: a length of 55 inches (1397 mm), a CYLINDER. A pressure vessel designed for pressures
width of 21 inches (533.4 mm) and a height of 27.6 to 35.4 higher than 40 psia (275.6 kPa) and having a circular cross
inches (701 to 899 mm). section. It does not include a portable tank, multiunit tank car
tank, cargo tank or tank car.
Seed cotton. Perishable raw agricultural commodity con-
sisting of cotton fiber (lint) attached to the seed of the cot- DAMPER. See “Fire damper” and “Smoke damper.”
ton plant, which requires ginning to become a commercial DAY BOX. A portable magazine designed to hold explosive
product. materials and constructed in accordance with the require-
ments for a Type 3 magazine as defined and classified in
[BG] COURT. An open, uncovered space, unobstructed to
the sky, bounded on three or more sides by exterior building Chapter 56.
walls or other enclosing devices. DECORATIVE MATERIALS. All materials applied over
the building interior finish for decorative, acoustical or other
[BG] COVERED MALL BUILDING. A single building effect including, but not limited to, curtains, draperies, fab-
enclosing a number of tenants and occupants such as retail rics, streamers and all other materials utilized for decorative
stores, drinking and dining establishments, entertainment and effect including, but not limited to, bulletin boards, artwork,
amusement facilities, passenger transportation terminals, posters, photographs, paintings, batting, cloth, cotton, hay,
offices, and other similar uses wherein two or more tenants stalks, straw, vines, leaves, trees, moss and similar items,
have a main entrance into one or more malls. Anchor build- foam plastics and materials containing foam plastics. Decora-
ings shall not be considered as a part of the covered mall tive materials do not include wall coverings, ceiling cover-
building. The term “covered mall building” shall include ings, floor coverings, ordinary window shades, interior finish
open mall buildings as defined below.
and materials 0.025 inch (0.64 mm) or less in thickness
Mall. A roofed or covered common pedestrian area within applied directly to and adhering tightly to a substrate.
a covered mall building that serves as access for two or DEFLAGRATION. An exothermic reaction, such as the
more tenants and not to exceed three levels that are open extremely rapid oxidation of a flammable dust or vapor in air,
to each other. The term “mall” shall include open malls as in which the reaction progresses through the unburned mate-
defined below.
rial at a rate less than the velocity of sound. A deflagration
Open mall. An unroofed common pedestrian way serving can have an explosive effect.
a number of tenants not exceeding three levels. Circulation DELUGE SYSTEM. A sprinkler system employing open
at levels above grade shall be permitted to include open sprinklers attached to a piping system connected to a water
exterior balconies leading to exits discharging at grade. supply through a valve that is opened by the operation of a
Open mall building. Several structures housing a number detection system installed in the same area as the sprinklers.
of tenants such as retail stores, drinking and dining estab- When this valve opens, water flows into the piping system
lishments, entertainment and amusement facilities, offices, and discharges from all sprinklers attached thereto.
and other similar uses wherein two or more tenants have a DESIGN PRESSURE. The maximum gauge pressure that a
main entrance into one or more open malls. Anchor build- pressure vessel, device, component or system is designed to
ings are not considered as a part of the open mall building. withstand safely under the temperature and conditions of use
expected.
CRITICAL CIRCUIT. A circuit that requires continuous
operation to ensure safety of the structure and occupants. DESOLVENTIZING. The act of removing a solvent from a
material.
CRYOGENIC CONTAINER. A cryogenic vessel of any
size used for the transportation, handling or storage of cryo- DETACHED BUILDING. A separate single-story building,
genic fluids. without a basement or crawl space, used for the storage or use
of hazardous materials and located an approved distance
CRYOGENIC FLUID. A fluid having a boiling point lower from all structures.
than -130°F (-89.9°C) at 14.7 pounds per square inch atmo-
sphere (psia) (an absolute pressure of 101.3 kPa). DETEARING. A process for rapidly removing excess wet
coating material from a dipped or coated object or material by
CRYOGENIC VESSEL. A pressure vessel, low-pressure passing it through an electrostatic field.
tank or atmospheric tank designed to contain a cryogenic
fluid on which venting, insulation, refrigeration or a combina- DETECTOR, HEAT. A fire detector that senses heat, either
tion of these is used in order to maintain the operating pres- abnormally high temperature or rate of rise, or both.
sure within the design pressure and the contents in a liquid DETONATING CORD. A flexible cord containing a center
phase. core of high explosive used to initiate other explosives.

2018 INTERNATIONAL FIRE CODE ® 23
Copyrighted © 2017 by, or licensed to, ICC (ALL RIGHTS RESERVED); licensed to UL, LLC pursuant to License Agreement with ICC. No further reproductions authorized or distribution authorized.
ANY UNAUTHROIZED REPRODUCTION OR DISTRIBUTION IS A VIOLATION OF THE FEDERAL COPYRIGHT ACT AND THE LICENSE AGREEMENT; AND SUBJECT TO CIVIL AND CRIMINAL PENALTIES THEREUNDER.