1. Regulations
  2. title 46
  3. chapter I-i2
  4. part 78
  5. subpart 78.47
  6. § 78.47-53

View all text of Subpart 78.47 [§ 78.47-1 - § 78.47-90]

§ 78.47-53 - Automatic ventilation dampers.

(a) The manual operating positions for automatic fire dampers in ventilation ducts passing through main vertical zone bulkheads shall be identified by red day light-reflecting letters at least 1/2 inch high “VENTILATION FIRE DAMPER.” In addition, the open and closed positions shall be similarly marked.

(b) [Reserved]

[CGspan 65-50, 30 span 16955, Dec. 30, 1965, as amended by CGD 67-87, 32 span 19181, Dec. 20, 1967]

AUTHORITY: 33 U.S.C. 1321(j); 46 U.S.C. 2103, 3306, 6101; 49 U.S.C. 5103, 5106; E.O. 12234, 45 FR 58801, 3 CFR, 1980 Comp., p. 277; E.O. 12777, 56 FR 54757, 3 CFR, 1991 Comp., p. 351; Department of Homeland Security Delegation No. 0170.1.

SOURCE: CGFR 65-50, 30 FR 16955, Dec. 30, 1965, unless otherwise noted.

CITE AS: 46 CFR 78.47-53