46 CFR 78.47-53 - Automatic ventilation dampers.

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§ 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]

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

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United States Code
Presidential Documents

Executive Order ... 12234

Executive Order ... 12777