§ 76.50-10 - Location.

§ 76.50-10 Location.

(a) Approved portable and semi-portable extinguishers must be installed in accordance with table 76.50-10(a) of this section.

(b) Table 76.50-10(a) indicates the minimum required number and type of extinguisher for each space listed. Extinguishers with larger numerical ratings or multiple letter designations may be used if the extinguishers meet the requirements of the table.

Table 76.50 - 10(a) - Carriage of Portable and Semi-Portable Fire Extinguishers

Space	Fire extinguishing
	Minimum required rating	Quantity and location
Safety Area1
Wheelhouse or fire control room	20-B:C	1 of each classification on vessels over 1,000 GT. (Not required in both spaces.) (Multiple classifications may be recognized.)
Stairway and elevator enclosures		None required.
Communicating corridors	2-A	1 in each main corridor in each main vertical zone. (May be located in stairway enclosures.)
Lifeboat embarkation and lowering stations		None required.
Radio room	20-B:C3	2 in the vicinity of the exit.2
Accommodations1
Staterooms, toilet spaces, isolated pantries, etc		None required.
Offices, lockers, and isolated storerooms		None required.
Public spaces	2-A	1 for each 2,500 sq ft or fraction thereof located in vicinity of the exits, except that none are required for spaces under 500 sq ft.
Open decks or enclosed promenades		None required.
Service Spaces
Galleys	40-B:C	1 for each 2,500 sq ft or fraction thereof suitable for hazards involved.
Main pantries	2-A	1 for each 2,500 sq ft or fraction thereof located in the vicinity of the exits.
Motion picture booths and film lockers	10-B:C3	1 outside in the vicinity of the exit.
Paint and lamp rooms	40-B	1 outside space in the vicinity of the exit.
Inaccessible baggage, mail, and specie rooms, and storerooms		None required.
Accessible baggage, mail, and specie rooms, and storerooms	2-A	1 for each 2,500 sq ft or fraction thereof located in the vicinity of the exits, either inside or outside the spaces.
Refrigerated storerooms	2-A	1 for each 2,500 sq ft or fraction thereof located in the vicinity of the exits, outside the spaces.
Carpenter, valet, photographic, printing shops sales rooms, etc	2-A	1 outside the space in the vicinity of the exit.
Machinery Spaces
Coal-fired boilers: Bunker and boiler space		None required.
Oil-fired boilers: Spaces, containing oil fired boilers, either main or auxiliary, or their fuel oil units	40-B	2 required.3
	160-B	1 required.4
Internal combustion or gas turbine propelling machinery spaces	40-B	1 for each 1,000 brake horsepower, but not less than 2 or more than 6.
	120-B	1 required.5
Electric propulsive motors or generators of open type	40-B:C	1 for each propulsion motor or generator unit.
Enclosed ventilating systems for motors and generators of electric propelling machinery		None required.
Auxiliary spaces, internal combustion or gas turbine	40-B	1 outside the space in the vicinity of the exit.6
Auxiliary spaces, electric emergency motors or generators	40-B:C	1 outside the space in the vicinity of the exit.6
Auxiliary spaces, steam		None required.
Trunks to machinery spaces		None required.
Fuel tanks		None required.
Cargo Spaces
Inaccessible during voyage, including trunks (excluding tanks)		None required.
Accessible during voyage	2-A	1 for each 1,200 sq ft or fraction thereof.
Vehicular spaces (covered by a sprinkler system)	40-B	1, plus 1 for each 6,000 sq ft or fraction thereof.
Vehicular spaces (not covered by a sprinkler system)	40-B	1, plus 1 for each 1,500 sq ft or fraction thereof.7
Cargo oil tanks		None required.
Spare Units
	2-A	10 percent of the required number for public spaces rounded up.
	40-B	10 percent of the required number for cargo spaces rounded up.
	40-B:C	1.

¹ In any case, on vessels of 150 feet (45.72 meters) in length and over, there must be at least two 2-A units on each passenger deck.

² For vessels on an international voyage, substitute 1 20-B:C in the vicinity of the exit.

³ Vessels of less than 1,000 GT and not on an international voyage require 1.

⁴ Vessels of less than 1,000 GT and not on an international voyage may substitute 1 160-B.

⁵ If an oil-burning donkey boiler is fitted in the space, the 160-B previously required for the protection of the boiler room may be substituted. Not required on vessels of less than 300 GT if the fuel has a flashpoint of 110 °F or lower except those on an international voyage.

⁶ Not required on vessels of less than 300 GT if the fuel has a flashpoint higher than 110 °F.

⁷ Two 5-B units may be substituted for 1 20-B unit.

The location of the equipment must be to the satisfaction of the Officer in Charge, Marine Inspection. Nothing in this paragraph should be construed as limiting the Officer in Charge, Marine Inspection, from requiring such additional equipment as he or she deems necessary for the proper protection of the vessel.

(c) Semi-portable fire extinguishing systems must be located in the open so as to be readily seen.

(d) If portable fire extinguishers are not located in the open or behind glass so that they may be readily seen, they may be placed in enclosures together with the firehose, provided such enclosures are marked as required by § 78.47-20 of this subchapter.

(e) Portable fire extinguishers and their stations must be numbered in accordance with § 78.47-30 of this subchapter.

(f) Portable or semi-portable extinguishers, which are required on their nameplates to be protected from freezing, must not be located where freezing temperatures may be expected.

[USCG-2012-0196, 81 FR 48259, July 22, 2016]