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e-CFR data is current as of January 15, 2021

Title 46Chapter ISubchapter LPart 131Subpart H → §131.899

Title 46: Shipping
Subpart H—Markings for Fire Equipment and Emergency Equipment

§131.899   Fire dampers.

Each fire damper installed within the boundary of a space protected by a fixed fire extinguishing system must be fitted with an indicator showing whether the damper is open or closed and must be marked with red letters at least 13 millimeters ( 12 -inch) high stating “FIRE DAMPER” and, as otherwise appropriate, identifying the space served by the fire damper.

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