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(A) In all dwelling units, smoke detectors powered by a hard wire AC primary power source or a self-monitored, non-removal ten-year lithium battery shall be installed and maintained after the effective date of this subchapter. Single station detectors presently installed utilizing standard batteries may continue to be used as long as the units remain operational. Should an inspection of the concerned properties reveal these units out of service due to a low or no battery, it will be cause to replace the units with at least smoke detectors powered by a hard wire AC primary power source or a self-monitored, non-removal ten-year lithium battery.
(B) In order to comply with this subchapter, only ionization or photoelectric type detectors listed by a nationally recognized testing laboratory shall be installed.
(C) Smoke detectors shall be installed in accordance with applicable NFPA standards and the manufacturers recommendations. Detectors may be ceiling or wall mounted, provided that they shall be mounted at a minimum of four inches and a maximum of 12 inches from the ceiling, and not closer than four inches from the point at which the ceiling and wall meet.
(D) In a dwelling unit, which contains a well-defined sleeping room separated from the other activity areas of the same unit, the detector shall be located in the corridor within the unit or interior area giving access to the rooms used for sleeping purposes. Where sleeping areas are separated and/or where a single smoke detector will not adequately service all sleeping areas, there shall be a smoke detector installed adjacent to each sleeping area. In a rooming unit the detector shall be centrally located.
(E) In a dwelling containing two or more dwelling units or any rooming unit, in addition to the requirements for individual smoke detectors in each dwelling unit or rooming unit, detectors shall be placed in centrally located common areas so that smoke detectors will adequately service all sleeping areas.
(Lou. Metro Ord. No. 69-2003, approved 4-16-2003)