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NYC Building Code

§ 405.3 — § 405.3

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What is NYC BC § 405.3?

Quick Answer

This section mandates that the highest level of exit discharge for underground areas and all levels below must have an automatic sprinkler system, following specific installation guidelines. It also requires that water-flow switches and control valves be supervised according to additional regulations. Applies to building owners with underground structures.

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

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405.3 Automatic sprinkler system.

BC § 405.3

The highest level of exit discharge serving the underground portions of the building and all levels below shall be equipped with an automatic sprinkler system installed in accordance with Section 903.3.1.1. Water-flow switches and control valves shall be supervised in accordance with Section 903.4.

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