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NYC Mechanical Code

§ 510.9.3 — § 510.9.3

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What is NYC MC § 510.9.3?

Quick Answer

This section mandates that systems exhausting potentially explosive mixtures must be equipped with either an approved explosion relief system or an explosion prevention system, designed per NFPA 69 standards. The statute aims to reduce damage from explosions or deflagrations within exhaust systems. Applies to building owners managing systems with explosive mixtures.

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

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510.9.3 Explosion relief.

MC § 510.9.3

Systems exhausting potentially explosive mixtures shall be protected with an approved explosion relief system or by an approved explosion prevention system designed and installed in accordance with NFPA 69. An explosion relief system shall be designed to minimize the structural and mechanical damage resulting from an explosion or deflagration within the exhaust system. An explosion prevention system shall be designed to prevent an explosion or deflagration from occurring.

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