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NYC Mechanical Code

§ 502.7.3.1 — § 502.7.3.1

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What is NYC MC § 502.7.3.1?

Quick Answer

This section mandates that mechanical ventilation must operate continuously during spraying operations and for a time afterward to exhaust vapors from drying materials. It also requires that spraying equipment be interlocked with the ventilation system, preventing operations unless the ventilation is active. Applies to operators conducting spraying operations in flammable vapor areas.

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

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502.7.3.1 Operation.

MC § 502.7.3.1

Mechanical ventilation shall be kept in operation at all times while spraying operations are being conducted and for a sufficient time thereafter to allow vapors from drying coated articles and finishing material residue to be exhausted. Spraying equipment shall be interlocked with the ventilation of the flammable vapor area such that spraying operations cannot be conducted unless the ventilation system is in operation.

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