R 408.10605
R 408.10605 Definitions; N to S.
Cite as Mich. Admin. Code R 408.10605
Rule 605. (1) “Nationally recognized testing laboratory." See 29 C.F.R. §1910.7
“Definition and requirements for a nationally recognized testing laboratory,” as adopted
in R 408.10606, for the definition.
(2) "Noncombustible building" means a building that is constructed of materials that
do not support fire.
(3) “Occupant load” means the total number of persons that may occupy a
workplace or portion of a workplace at any one time. The occupant load of a workplace is
calculated by dividing the gross floor area of the workplace or portion of the workplace
by the occupant load factor for that particular type of workplace occupancy. Information
regarding the "Occupant load" is located in NFPA 101 “Life Safety Code,” 2009 edition
and in the “International Fire Code” 2009 edition, as adopted in R 408.10606.
(4) "Ordinary hazard contents" means combustibles that are liable to burn with
moderate rapidity and to give off a considerable volume of smoke, but from which
neither extremely poisonous fumes nor explosions are to be expected in case of fire.
(5) “Refuge area” means either of the following:
(a) A space along an exit route that is protected from the effects of fire by separation
from other spaces within the building by a barrier with at least a 1-hour fire resistance-
rating.
(b) A floor with at least 2 spaces, separated from each other by smoke-resistant
partitions, in a building protected throughout by an automatic sprinkler system that
complies with General Industry Safety Standard Part 9 “Fixed Fire Equipment,” as
referenced in R 408.10606.
(6) "Self-closing" means equipped with an approved device which will ensure
closing without manual assistance after having been opened.
(7) "Sprinklered" means equipped with an approved automatic sprinkler system that
is properly maintained.
(8) "Street" means a public thoroughfare that is 30 or more feet in width, that has
been dedicated or deeded to the public for public use, and that is accessible for use by a
fire department in fighting fires. An enclosed space or tunnel, even though used for
vehicular and pedestrian traffic, is not considered a street.
(9) “Self-luminous” means a light source that is illuminated by a self-contained
power source, like tritium, and that operates independently from external power sources.
Batteries are not acceptable self-contained power sources. The light source is typically
contained inside the device.
(10) "Surface bolt" means a locking bolt that is installed on the surface of a door.