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NYC Fire Code

§ 609.5.4 — § 609.5.4

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What is NYC FC § 609.5.4?

Quick Answer

This section mandates that commercial cooking exhaust system ducts not concealed within walls and ceilings be periodically inspected for defects. Inspections must assess insulation condition and ensure there is no deterioration or cracking that could release grease vapors, steam, fumes, smoke, or odors. Applies to operators of commercial cooking facilities.

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

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609.5.4 Exposed ducts.

FC § 609.5.4

Commercial cooking exhaust system ducts not concealed within walls and ceilings shall be periodically inspected for defects, and defective ducts repaired or replaced to maintain their integrity. The inspection shall include the condition of the insulation, and confirm the absence of deterioration or cracking of the duct, which would allow the release of grease vapors, steam, fumes, smoke or odors.

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