CFR > Title 46 - Shipping > CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY > SUBCHAPTER K—SMALL PASSENGER VESSELS CARRYING MORE THAN 150 PASSENGERS OR WITH OVERNIGHT ACCOMMODATIONS FOR MORE THAN 49 PASSENGERS (parts 114 to 123) > PART 118—FIRE PROTECTION EQUIPMENT > SUBPART D—Fixed Fire Extinguishing and Detecting Systems (§118.400 to §118.425) > 118.420—Pre-engineered fixed gas fire extinguishing systems.

118.420—Pre-engineered fixed gas fire extinguishing systems.

(a) A pre-engineered fixed gas fire extinguishing system must:
(1) Be approved by the Commandant;
(2) Be capable of manual actuation from outside the space in addition to automatic actuation by a heat detector;
(3) Automatically shut down all power ventilation systems and all engines that draw intake air from within the protection space; and
(4) Be installed in accordance with manufacturer's instructions.
(b) A vessel on which a pre-engineered fixed gas fire extinguishing system is installed must have the following equipment at the operating station:
(1) A light to indicate discharge;
(2) An audible alarm that sounds upon discharge; and
(3) A means to reset devices used to automatically shut down ventilation systems and engines as required by paragraph (a)(3) of this section.
(c) Only one pre-engineered fixed gas fire extinguishing system is allowed to be installed in each space protected by such a system.