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[F] 907.6.4 Zones

Building Code 2018 of Illinois > 9 Fire Protection and Life Safety Systems > 907 Fire Alarm and Detection Systems > 907.6 Installation and Monitoring > 907.6.4 Zones

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Each floor shall be zoned separately and a zone shall not exceed 22,500 square feet (2090 m²). The length of any zone shall not exceed 300 feet (91 440 mm) in any direction.

Exception: Automatic sprinkler system zones shall not exceed the area permitted by NFPA 13.

[F] 907.6.4.1 Zoning Indicator Panel

A zoning indicator panel and the associated controls shall be provided in an approved location. The visual zone indication shall lock in until the system is reset and shall not be canceled by the operation of an audible-alarm silencing switch.

[F] 907.6.4.2 High-Rise Buildings

In high-rise buildings, a separate zone by floor shall be provided for each of the following types of alarm-initiating devices where provided:

Smoke detectors.
Sprinkler waterflow devices.
Manual fire alarm boxes.
Other approved types of automatic fire detection devices or suppression systems.

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