[Code of Federal Regulations]
[Title 46, Volume 1]
[Revised as of Octobery 1, 2004]
From the U.S. Government Printing Office via GPO Access
[CITE: 46CFR28.320]

[Page 342-343]
 
                           TITLE 46--SHIPPING
 
         CHAPTER I--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY
 
PART 28_REQUIREMENTS FOR COMMERCIAL FISHING INDUSTRY VESSELS
--Table of Contents
 
Subpart D_Requirements for Vessels Which Have Their Keel Laid or Are at 
 
Sec. 28.320  Fixed gas fire extinguishing systems.

    (a) Requirements for vessels 79 feet (24 meters) or more in length. 
A vessel 79 feet (24 meters) or more in length must be fitted with a 
fixed gas fire extinguishing system in the following enclosed spaces:
    (1) A space containing an internal combustion engine of more than 50 
horsepower;
    (2) A space containing an oil fired boiler;
    (3) An incinerator and;
    (4) A space containing a gasoline storage tank.
    (b) System types and alternatives.
    (1) A pre-engineered fixed gas fire extinguishing system may be 
installed only in a normally unoccupied machinery space, paint locker, 
or space containing flammable liquid stores that has a gross volume of 
not more than 33.98 cubic meters (1200 cubic feet).
    (2) A fixed gas fire extinguishing system that is capable of 
automatic discharge upon heat detection may be installed only in a 
normally unoccupied space with a gross volume of not more than 169.92 
cubic meters (6000 cubic feet).
    (3) A space with a gross volume exceeding 169.92 cubic meters (6000 
cubic feet) must be fitted with a manually actuated and alarmed fixed 
gas fire extinguishing system.
    (c) General requirements.
    (1) A fixed gas fire extinguishing system aboard a vessel must be 
approved by the Commandant and be custom engineered, unless the system 
meets the requirements for a pre-engineered fixed

[[Page 343]]

gas fire extinguishing system in paragraph (d) of this section.
    (2) System components must be listed and labeled by an independent, 
nationally recognized testing laboratory for the system being installed.
    (3) System design and installation must be in accordance with the 
Manufacturer's Marine Design, Installation, Operation, and Maintenance 
Manual approved for the system by the Commandant.
    (4) A fixed gas fire extinguishing system may protect more than one 
space. The quantity of extinguishing agent must be at least sufficient 
for the largest space protected by the system.
    (d) Pre-engineered fixed gas fire extinguishing systems.
    (1) A pre-engineered fixed gas fire extinguishing system must:
    (i) Be approved by the Commandant;
    (ii) Be capable of manual actuation from outside the space in 
addition to any automatic actuation devices; and
    (iii) Automatically shut down all power ventilation systems serving 
the protected space and all engines that draw intake air from within the 
protected space.
    (2) A vessel on which a pre-engineered fixed gas fire extinguishing 
system is installed must have the following equipment at the operating 
station:
    (i) A visual alarm to indicate the discharge of the extinguishing 
agent;
    (ii) An audible alarm to sound upon discharge of the extinguishing 
agent; and
    (iii) A means to reset devices used to automatically shut down 
ventilation systems and engines as required by paragraph (d)(1)(iii) of 
this section.

[CGD 88-079, 56 FR 40393, Aug. 14, 1991, as amended by CGD 96-046, 61 FR 
57275, Nov. 5, 1996]