Michigan Administrative Code › Department - Licensing and Regulatory Affairs › Bureau of Construction Codes › Construction Code Commission General Rules › Construction Code › Part 4 - BUILDING CODE › Section R. 408.30446 - Smoke alarm locations

Current through Vol. 24-12, July 15, 2024
Rule 446.
Sections 907.2.11.8 and 907.2.11.8.1 are added to the
						code as follows:
907.2.11.8. Smoke
					 alarm locations in existing buildings constructed before November 6, 1974.
					 Within each dwelling unit or sleeping unit, a single-station smoke alarm shall
					 be installed in all of the following locations:
(1) In each sleeping room or each area
					 directly outside the sleeping room.
(2) On each floor level including the
					 basement level.
For sleeping units with split levels and without an
						intervening door between the adjacent levels, a smoke alarm installed on the
						upper level shall suffice for the adjacent lower level provided that the lower
						level is less than 1 full story below the upper level.
907.2.11.8.1. Equipment requirements. The
					 required equipment for smoke alarms shall consist of the following:
(1) Installation. Smoke alarm devices shall
					 be listed and installed in accordance with the manufacturers installation
					 requirements, the provisions of the code, and the provisions of NFPA 72 as
					 listed in chapter 35.
(2) Power
					 Source. The equipment shall be operable by power from 1 of the following
					 primary sources:
(a) The building wiring
					 provided the wiring is served from a commercial source and is equipped with a
					 battery backup. Wiring shall be permanent and without a disconnecting switch
					 other than as required for overcurrent protection.
(b) A non-rechargeable battery able to power
					 the smoke alarm in the normal condition for a life of 5 years.
(c) A rechargeable battery, with proper
					 charging, able to power the alarm for a life of 5 years.
(d) A commercial use alarm system with
					 battery backup listed and approved in accordance with the commercial fire
					 warning equipment provisions of NFPA 72, as adopted by reference in this
					 rule.
(3) Audible Alarm
					 Notification. The activation of the alarm signal shall produce a sound that is
					 audible in all occupiable dwelling areas.
(4) Testing and Maintenance. The owner of a
					 dwelling unit, in which required or optional fire detection or fire protection
					 systems equipment is installed, shall be responsible for the proper operation,
					 testing, and maintenance of the equipment in accordance with the manufacturers
					 instructions included with the equipment. The occupant of rental dwelling units
					 shall be responsible for the periodic operational testing and periodic cleaning
					 of the installed equipment within the rental unit in accordance with the
					 testing instructions provided in the manufacturers instructions for the
					 equipment. If the system fails, breaks, or is out of service, it shall be
					 repaired and functional within 30 days.
Exception: Smoke alarms and devices installed in
						buildings constructed before November 6, 1974 where an installation was
						approved by the appropriate enforcing agency under regulations in effect at the
						time of the installation shall be considered to comply with the provisions of
						the code.