§131.899. Fire dampers.
46 C.F.R. § 131.899
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 ( 1/2-inch) high stating “FIRE DAMPER” and, as otherwise appropriate, identifying the space served by the fire damper.
Notes, amendments, and revision history
Authority
Authority: 33 U.S.C. 1321(j); 46 U.S.C. 3306, 6101, 10104; E.O. 12234, 3 CFR, 1980 Comp., p. 277; E.O. 12777, 3 CFR, 1991 Comp., p. 351; DHS Delegation No. 00170.1, Revision No. 01.4. Section 131.990 also issued under sec. 617, Pub. L. 111-281, 124 Stat. 2905.
Source
Source: CGD 82-004 and CGD 86-074, 62 FR 49340, Sept. 19, 1997, unless otherwise noted.