Where more than one smoke alarm is required to be installed with an individual dwelling unit in group R2, R3, or R4 and in dwellings not regulated as group R occupancies, the smoke alarms shall be interconnected in such a manner that the activation of one alarm will activate all of the alarms in the individual unit. Smoke alarm shall be clearly audible and all bedrooms over background noise levels with all intervening doors closed. Exception:
(a) Inner connection is not required and buildings which are not undergoing alterations, repairs, or construction of any kind.
(b) Smoke alarms in existing areas are not permitted to be interconnected where alterations or repairs do not result in the removal or of interior wall or ceiling finishes exposing the structure, unless there is an attic, crawl space or basement available which could provide access for interconnection without the removal of interior finishes.
(Ord. 11091-2019. Passed 5- 21-19.)