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NYC Mechanical Code

§ 606.4.1 — § 606.4.1

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What is NYC MC § 606.4.1?

Quick Answer

This section mandates that duct smoke detectors be connected to a fire alarm system when required, ensuring that their activation triggers a visible and audible alarm at a constantly attended location. Exceptions are noted for certain occupancies and alarm signal requirements. Applies to building owners responsible for fire safety systems.

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

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606.4.1 Supervision.

MC § 606.4.1

The duct smoke detectors shall be connected to a fire alarm system where a fire alarm system is required by Section 907.2 of the New York City Building Code. The actuation of a duct smoke detector shall activate a visible and audible alarm signal at a constantly attended location. Exceptions: 1. The alarm signal at a constantly attended location is not required where the duct smoke detector activates the building's alarm-indicating appliances.

2.In occupancies not required to be equipped with a fire alarm system, actuation of either area or duct smoke detector shall activate a visible and an audible alarm signal in an approved location. Additionally, duct smoke detector trouble conditions shall activate a visible or audible alarm signal in an approved location and shall be identified as air duct detector trouble.

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