[Code of Federal Regulations]
[Title 46, Volume 7]
[Revised as of October 1, 2004]
From the U.S. Government Printing Office via GPO Access
[CITE: 46CFR193.15-35]

[Page 377-378]
 
                           TITLE 46--SHIPPING
 
   CHAPTER I--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED)
 
PART 193_FIRE PROTECTION EQUIPMENT--Table of Contents
 
      Subpart 193.15_Carbon Dioxide Extinguishing Systems, Details
 
Sec. 193.15-35  Enclosure openings.

    (a) Where mechanical ventilation is provided for spaces which are 
protected by carbon dioxide extinguishing systems provisions shall be 
made so that

[[Page 378]]

the ventilation system is automatically shut down with the operation of 
the system to that space.
    (b) Where natural ventilation is provided for spaces protected by a 
carbon dioxide extinguishing system, provisions shall be made for easily 
and effectively closing off the ventilation.
    (c) Means shall be provided for closing all other openings to the 
space protected from outside such space. In this respect, relatively 
tight doors, shutters, or dampers shall be provided for openings in the 
lower portion of the space. The construction shall be such that openings 
in the upper portion of the space can be closed off either by 
permanently installed means or by the use of canvas or other material 
which is normally carried by the vessel.