(a) It shall be unlawful to install or sell an audible alarm system which upon activation emits a sound similar to the sound emitted by sirens in use on emergency vehicles or for civil defense purposes. This does not apply to sirens mounted inside a building which cannot be heard outside the building For purposes of this Section, any variable siren, as opposed to one steady pitch, shall be considered to emit a sound similar to the sound emitted by an emergency vehicle.
(b) It shall be unlawful to operate an audible alarm system which does not shut off within a maximum time of 15 minutes from the time activation. This may be accomplished with either an automatic shutoff or by manual operation. If the alarm has an automatic shutoff with a re-arming phase, the re-arming phase must be able to distinguish between an open and closed circuit, and if the circuit is broken the system shall not re-arm.
(c) For the purposes of administering Article 29, "regulation of noise," an alarm which does not shut off within the prescribed time is deemed to be unnecessary, excessive and offensive.
(Added by Ord. 154-02, File No. 021078, App. 7/12/2002)
(Former Sec. 3704 amended by Ord. 325-84, App. 7/6/84; repealed by Ord. 154-02, File No. 021078, App. 7/12/2002)