Fenestration. The arrangement of windows in a building, their
size, placing, style, etc.
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Fire Exit Hardware. A door latch assembly incorporating a device
that releases the latch upon application of force in the
direction of egress travel and provides fire protection where
used as part of the door assembly.
Fire Protection Engineer. A person, persons, or firm
specializing in building fire protection design who (which) is
qualified to interpret and design fire protection drawings and
specifications in accordance with NFPA, JCAHO, UBC, and other
Fire Resistance Rating
. The time, in minutes or hours, that
materials or assemblies have withstood a fire exposure as
established in accordance with the test procedures of NFPA 251,
Standard Methods of Fire Tests of Building Construction and
Fire Watch. A person or persons assigned to an area for the
purpose of protecting occupants from fire or similar emergencies.
Fire Window. A window assembly, including frame, glazing, and
hardware that under NFPA 257, Standard for Fire Tests of Window
Assemblies, meets the fire protective requirements for the
location in which it is to be used.
Fixed. Fastened to walls, floors, or ceiling or to steam, gas,
plumbing, electrical power, sensor lines in a permanent manner.
The propagation of flame over a surface.
Flammable. An adjective describing easy ignition, intense
burning, and rapid rate of flame spread during combustion. It may
also be used as a noun to mean a flammable substance. Many
substances nonflammable in air become flammable if the oxygen
content of the gaseous medium is increased.
Flammable Anesthetics. Gases or vapors, such as fluroxene,
cyclopropane, divinyl ether, ethyl chloride, ethyl ether, and
ethylene, which may form flammable or explosive mixtures with
air, oxygen, or reducing gases such as nitrous oxide.
Flammable Anesthetizing Location. Any area of a facility that
has been designated to be used for the administration of any
flammable inhalation anesthetic agents in the normal course of
examination or treatment. DoD facilities do not use flammable
anesthesia except in some training situations in major medical
Flammable Gas. Any gas that will burn when mixed in any