§ 10-2.5. Additional standards.
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a.
Installation of central air conditioning. All existing buildings installing central air conditioning or central forced air with withdrawal must install a smoke detector at the highest point in the residence, and the smoke detector shall be so connected that activation of the detector will deactivate the main power supply for the central air conditioner, forced air heating system or air withdrawal fan in addition to sounding the alarm.
b.Audible signal. The audible signal shall be distinctive from other audible signaling devices which may be used for other purposes in the building. The smoke or heat detector systems shall be so designed to be capable of either self-restoration or manual restoration to normal conditions for operation. No provisions shall be made for the deactivation of the audible alarm other than by reactivation of the system.
c.Power supplies. All power supplies shall be sufficient to operate the alarm signal(s) for at least four continuous minutes.
d.Exception. Upon application to the Fire Marshal, buildings or portions thereof equipped with an automatic fire alarm system connected to a sprinkler system may receive exemption from the provisions of this section.