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NYC Building Code

§ 903.4.2 — § 903.4.2

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What is NYC BC § 903.4.2?

Quick Answer

This section mandates the installation of an approved audible device connected to automatic sprinkler systems, which activates upon water flow equivalent to that of a single sprinkler. The Fire Department must approve the location of these devices, unless a fire alarm system is present. Applies to building owners with sprinkler systems.

General informational summary. Not legal advice for your situation. Consult an attorney before acting on any specific matter.

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903.4.2 Alarms.

BC § 903.4.2

An approved audible device, located on the exterior of the building in an approved location, shall be connected to each automatic sprinkler system. Such sprinkler water-flow alarm devices shall be activated by water flow equivalent to the flow of a single sprinkler of the smallest orifice size installed in the system. Alarm devices shall be provided on the exterior of the building in an approved location or in a location approved by the Fire Department, except in buildings equipped with a fire alarm system. Where a fire alarm system is installed, actuation of the automatic sprinkler system shall actuate the building fire alarm system.

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