§108.455. Enclosure openings.
46 C.F.R. § 108.455
Mechanical ventilation for spaces protected by a CO2 system must be designed to shut down automatically when the system is activated.
Each space that is protected by a CO2 system and that has natural ventilation must have a means for closing that ventilation.
Each space protected by a CO2 system must have the following means for closing the openings to the space from outside the space:
Doors, shutters, or dampers for closing each opening in the lower portion of the space.
Doors, shutters, dampers or temporary means such as canvas or other material normally on board a unit may be used for closing each opening in the upper portion of the space.
Notes, amendments, and revision history
Authority
Authority: 43 U.S.C. 1333; 46 U.S.C. 3102, 3306; DHS Delegation No. 00170.1, Revision No. 01.4.
Source
Source: CGD 73-251, 43 FR 56808, Dec. 4, 1978, unless otherwise noted.