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NYC Building Code

§ 428.5.1 — § 428.5.1

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What is NYC BC § 428.5.1?

Quick Answer

This section mandates that storage vaults for materials that can melt, vaporize, or oxidize under fire conditions must have walls with a fire-resistance rating of at least 4 hours. Additionally, these vaults are required to have automatic sprinklers and ventilation systems for air decontamination. Applies to building owners managing hazardous materials.

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

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428.5.1 Fire protection.

BC § 428.5.1

When any materials are subject to melting, vaporization, or oxidation under fire conditions, the storage vaults shall be constructed of walls having a fire-resistance rating of at least 4 hours, and the vaults shall be equipped with automatic sprinklers complying with the construction requirements of Chapter 9 and shall be vented through devices to decontaminate the air to a safe level.

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