Merchant Shipping (Safety) (Fire Protection) (Ships Built Before 25 May 1980) Regulations
(Cap. 369, sections 99, 107, 112 and 112B)
(Enacting provision omitted—E.R. 4 of 2023)
[2 August 1991]
(Format changes—E.R. 4 of 2023)
These regulations may be cited as the Merchant Shipping (Safety) (Fire Protection) (Ships Built Before 25 May 1980) Regulations.
(Omitted as spent—E.R. 4 of 2023)
In these regulations, unless the context otherwise requires—
accommodation space (起居艙) means passenger spaces, corridors, lavatories, cabins, offices, crew spaces, shops, isolated pantries and lockers and similar spaces; Administration (主管機關) means the government of the state of whose flag the ship is entitled to fly; approved (批准) means approved by the Director; (L.N. 411 of 1995) cargo ship (貨船) means any ship which is not a passenger ship; cargo spaces (貨艙) means spaces used for cargo including cargo oil tanks, slop tanks and trunks to such spaces; Category A tanker (A類液貨船) and Category A combination carrier (A類油類/散貨兩用船) mean, respectively, a tanker or a combination carrier, registered in Hong Kong and constructed or adapted to carry crude oil and petroleum products having a closed fishponds not exceeding 60°C the Reid vapour pressure of which is below that of atmospheric pressure, and other liquids having a similar fire hazard and the keel of which— (a)was laid, or which was at a similar stage of construction, on or after 1 February 1975; or (b)was laid, or was at a similar stage of construction, before 1 February 1975 but was completed after 31 December 1978; Chemical tanker (化學品液貨船) means a tanker constructed or adapted and used for the carriage in bulk of any liquid product of a flammable nature listed in Chapter VI of the Code for the Construction and Equipment of Ships Carrying Dangerous Chemicals in Bulk; (L.N. 411 of 1995) Code for the Construction and Equipment of Ships Carrying Dangerous Chemicals in Bulk (《散裝運輸危險化學品船舶構造和設備規則》) means the code so entitled adopted by the International Maritime Organization by Resolution A212(VII); Code for the Construction and Equipment of Ships Carrying Liquefied Gases in Bulk (《散裝運輸液化氣體船舶構造和設備規則》) means the code so entitled adopted by the International Maritime Organization by Resolution A.328(IX); (L.N. 411 of 1995; E.R. 4 of 2023) combination carrier (油類/散貨兩用船) means a tanker designed to carry oil or solid cargoes in bulk; control station (控制站) includes those spaces in which radio, main navigating or central fire-recording equipment or the emergency generator is located; crew space (船員艙) means crew accommodation within the meaning of section 97(7) of the Merchant Shipping (Seafarers) Ordinance (Cap. 478); (44 of 1995 s. 143) dangerous goods of Classes 1 to 5 (第1至5類別危險貨物) means dangerous goods classified as class 1, 2, 3, 4 or 5 in the IMDG Code; (L.N. 252 of 2018) deadweight (載重量) means the difference in tonnes between the displacement of a ship in water of a specific gravity of 1.025 at the load waterline corresponding to the assigned summer freeboard and the lightweight of the ship; gas carrier (氣體運輸船) means a tanker constructed or adapted and used for the carriage in bulk of any liquefied gas or other substance of a flammable nature listed in either— (a)Chapter XIX of the Code for the Construction and Equipment of Ships Carrying Liquefied Gases in Bulk; or (b)Chapter XIX of the Gas Carrier Code for Existing Ships, whichever Code is applicable; (L.N. 411 of 1995) Gas Carrier Code for Existing Ships (《現有船舶氣體運輸船規則》) means the 1976 edition of the International Maritime Organization’s Code for Existing Ships Carrying Liquefied Gases in Bulk as amended by the 4 sets of amendments adopted by the Maritime Safety Committee of the Organization in, respectively, April 1978, May 1979, May 1980, and November 1984; (L.N. 411 of 1995) Guidelines for Inert Gas Systems (《惰性氣體系統指南》) (MSC/Circ 353) are the guidelines of that name forming part of the publication “Inert Gas Systems” (1983 Edition), published by the International Maritime Organization; (E.R. 4 of 2023) Hong Kong ship (香港船舶) means a ship registered in Hong Kong; IMDG Code (《海運危險貨物規則》) means the International Maritime Dangerous Goods Code adopted by the International Maritime Organization by Resolution MSC.122(75), as from time to time revised or amended by any revision or amendment that applies to Hong Kong; (L.N. 252 of 2018) length (長度) means, in relation to a registered ship, registered length, and, in relation to an unregistered ship, the length from the fore part of the stem to the aft side of the head of the stern post or, if no stern post is fitted to take the rudder, to the fore side of the rudder stock at the point where the rudder passes out of the hull; lightweight (空載重量) means the displacement of a ship in tonnes without cargo, oil fuel, lubricating oil, ballast and fresh water in tanks, stores together with passengers and crew and their effects; Merchant Shipping Notice (商船公告) means a Notice described as such, issued by the United Kingdom Department of Transport, and includes a reference to any document amending or replacing that Notice which is approved by the Director and notified to this effect in the Gazette; oil-fired boiler (燃油鍋爐) means any boiler wholly or partly fired by liquid fuel not being a domestic boiler of less than 73.2 kilowatts; oil-fuel unit (燃油機組) means the equipment used for the preparation of oil fuel for delivery to the oil burners of an oil-fired boiler and includes the oil pressure pumps, filters and heaters; passenger space (客艙) means space provided for the use of passengers; Reid vapour pressure (雷德蒸氣壓力) means the vapour pressure of a liquid as determined by laboratory testing in a standard manner in the Reid apparatus; sailing ship (帆船) includes a ship provided with sufficient sail area for navigation under sails alone, whether or not fitted with mechanical means of propulsion; service space (服務艙) includes galleys, main pantries, laundries, store rooms, paint rooms, baggage rooms, mail rooms, bullion rooms, carpenters’ and plumbers’ workshops, and trunks to such spaces; settling tank (沉澱櫃) means an oil storage tank having a heating surface of not less than 0.183 square metre per tonne of oil capacity; special category space (特種艙) means an enclosed space, above or below the bulkhead deck, which is intended for the carriage of motor vehicles with fuel in their tanks for their own propulsion, and into and from which such vehicles can be driven and to which passengers have access; tanker (液貨船) means a cargo ship constructed or adapted for the carriage in bulk of liquid cargoes of a flammable nature; tons (噸) means gross tons and a reference to tons— (a)in relation to a ship having alternative gross tonnages under paragraph 13 of Schedule 5 to the Merchant Shipping (Registration) (Tonnage) Regulations (Cap. 415 sub. leg. C) is a reference to the larger of these tonnages; and (E.R. 4 of 2023) (b)in relation to a ship having its tonnage determined both under Part II and regulation 16 of those regulations is a reference to its gross tonnage as determined under regulation 16 of those regulations; water seal (水封) means an arrangement or device, using water, to prevent the back flow of gases or vapour from cargo tanks.Any reference in these regulations to—
the Guidelines for Inert Gas Systems;
a British Standard;
the Code for the Construction and Equipment of Ships Carrying Dangerous Chemicals in Bulk;
the Code for the Construction and Equipment of Ships Carrying Liquefied Gases in Bulk;
the Gas Carrier Code for Existing Ships,
shall include a reference to any document amending that publication which is specified in a Merchant Shipping Notice for the time being in force and stated to be published for the purpose of this subregulation. (L.N. 411 of 1995)
Subject to subregulations (5) and (6), these regulations shall apply to every ship of which the keel was laid, or which was at a similar stage of construction, before 25 May 1980. (L.N. 411 of 1995)
These regulations shall apply to Hong Kong ships wherever they may be and other ships while they are within the waters of Hong Kong.
These regulations shall not apply to the following non-Hong Kong ships—
cargo ships of less than 500 tons;
troopships;
ships not propelled by mechanical means;
a ship by reason of her being within the waters of Hong Kong if she would not have been in any such waters but for stress of weather or any circumstance that neither the master nor owner nor charterer (if any) could have prevented.
Every passenger ship of Class I or Class II, and every passenger ship of Class II(A) of 21.34 metres in length or over, carrying more than 36 passengers, shall comply with the following—
regulation 3(6)(d), (e) and (f) not later than 1 October 1997; and
all the requirements of the Merchant Shipping (Safety) (Fire Protection) (Ships Built On or After 1 September 1984) Regulations (Cap. 369 sub. leg. Y) not later than 1 October 2010. (E.R. 4 of 2023)
Every passenger ship of Class II(A) of less than 21.34 metres in length carrying more than 36 passengers shall comply with regulation 15(3)(a)(iii) and (b)(iii) not later than 1 October 2000. (L.N. 411 of 1995)
For the purpose of these regulations ships shall be arranged in the following classes—
Passenger ships| Class I | Passenger ships engaged on voyages (not being short international voyages) any of which are long international voyages. | |
| Class II | Passenger ships engaged on voyages (not being long international voyages) any of which are short international voyages. | |
| Class II(A) | Passenger ships in respect of which there is or should be in force a certificate entitled “Passenger Certificate Class II(A)” being a certificate for ships engaged on voyages of any kind other than international voyages. |
| Class VII | Ships (other than ships of Class VII(A), Class VII(T), Class XI or Class XII) engaged on voyages any of which are long international voyages. | |
| Class VII(A) | Ships engaged in the whaling industry or employed as fish processing or canning factory ships, and ships engaged in the carriage of persons employed in the whaling, fish processing or canning industries. | |
| Class VII(T) | Tankers engaged on voyages any of which are long international voyages. | |
| Class VIII | Ships (other than ships of Class VIII(T), Class IX, Class XI or Class XII) engaged on voyages (not being long international voyages) any of which are short international voyages. | |
| Class VIII(A) | Ships (other than ships of Class VIII(A)(T), Class IX, Class IX(A), Class IX(A)(T), Class XI or Class XII), engaged on voyages which are not international voyages. | |
| Class VIII(T) | Tankers engaged on voyages (not being long international voyages) any of which are short international voyages. | |
| Class VIII(A)(T) | Tankers (other than tankers of Class IX(A)(T)) engaged on voyages which are not international voyages. | |
| Class IX | Tugs and tenders which proceed to sea but are not engaged on long international voyages. | |
| Class IX(A) | Ships which do not proceed to sea. | |
| Class IX(A)(T) | Tankers which do not proceed to sea. | |
| Class XI | Sailing ships which proceed to sea. |
Any reference in these regulations to ships of any of the foregoing classes is a reference to ships which are—
ships to which these regulations apply or, where appropriate, the particular Part or other provision in which the reference is made applies; and
ships of the type or description specified in this regulation in relation to that class.
In this regulation—
long international voyage (長途國際航程) means an international voyage which is not a short international voyage within the meaning of Part II of the Ordinance; voyage (航程) includes an excursion.In every ship of Class I or Class II a fire patrol system capable of promptly detecting an outbreak of fire shall be maintained.
Manual fire alarms shall be fitted throughout the passenger spaces and crew spaces. Such alarms shall be capable of giving an alarm immediately to the navigating bridge or fire control station.
Each member of the fire patrol shall be trained to be familiar with the arrangements of the relevant ship as well as the location and operation of any equipment he may be called upon to use.
In every such ship there shall be provided in any part of the ship which is not accessible to the fire patrol a fire detection system complying with the requirements specified in regulation 68.
The Director may exempt any ship from the requirements of subregulation (3) if he is satisfied that to require compliance therewith would be unreasonable on account of the short duration of the voyages on which the ship is engaged.
Every such ship shall at all times when at sea, or in port (except when out of service), be so manned and equipped as to ensure that any initial fire alarm is immediately received by a responsible member of the crew.
In every such ship carrying more than 36 passengers—
a special alarm to summon the crew shall be fitted which may be part of the ship’s general alarm system; (L.N. 411 of 1995)
a public address system or other effective means of communication shall also be available throughout the accommodation, public and service spaces; (L.N. 411 of 1995; E.R. 4 of 2023)
each member of the fire patrol shall be provided with a two-way portable radiotelephone apparatus; (L.N. 411 of 1995)
the public address system mentioned in paragraph (b) shall also be available throughout control stations and open decks not later than 1 October 1997; (L.N. 411 of 1995)
all accommodation and service spaces, stairway enclosures and corridors shall be equipped with a smoke detection and alarm system of an approved type and complying with the requirements of Schedule 11 to the Merchant Shipping (Safety) (Fire Protection) (Ships Built On or After 1 September 1984) Regulations (Cap. 369 sub. leg. Y) not later than 1 October 1997. Such system need not be fitted in private bathrooms, and spaces having little or no fire risk such as voids and similar spaces. Detectors operated by heat instead of smoke shall be installed in galleys. Smoke detectors connected to the smoke detection and alarm system shall also be fitted above ceilings in stairways and corridors in the areas where ceilings are of combustible construction; and (L.N. 411 of 1995; E.R. 4 of 2023)
a general emergency alarm system shall be provided not later than 1 October 1997. The alarm shall be audible throughout all the accommodation and normal crew working spaces and open decks, and its sound pressure level shall comply with the standard developed by the International Maritime Organization*. The alarm shall continue to function after it has been triggered until it is manually turned off or is temporarily interrupted by a message on the public address system. (L.N. 411 of 1995)
| This refers to the Code on Alarms and Indicators adopted by the International Maritime Organization by Resolution A686(17). |
Every ship of Class I or Class II shall be provided with appliances whereby at least 2 jets of water can be supplied in accordance with the provisions of regulation 59(3)(a).
Every ship of Class I or Class II which is of 4,000 tons or over shall be provided with at least 3 fire pumps operated by power and every such ship of under 4,000 tons shall be provided with at least 2 such pumps. Each such pump shall be capable of delivering at least one jet simultaneously from each of any 2 hydrants provided in the ship and shall comply with the requirements of regulation 58.
In every ship of Class I or Class II which is of 1,000 tons or over the arrangement of the fire pumps, their sea connections and the sources of power for operating the fire pumps shall be such as will ensure that a fire in any one compartment will not put all the fire pumps out of action.
If in any such ship of less than 1,000 tons a fire in any one compartment could put all the fire pumps required by subregulation (2) out of action, there shall be provided, in a position outside the machinery spaces, an independently driven power operated emergency fire pump and its source of power and sea connection. Such emergency pump shall be capable of producing at least one jet of water simultaneously from each of any 2 hydrants and hoses through nozzles which shall comply with regulation 60(4) while simultaneously maintaining a pressure of at least 2.1 bar at any hydrant in the ship.
In every ship of Class I and Class II there shall be provided a fire main, water service pipes, hydrants, hoses and nozzles which shall be so arranged that they comply with the requirements of regulations 59 and 60 when all watertight doors and all doors are closed in bulkheads constructed in accordance with regulation 88 of the Merchant Shipping (Safety) (Passenger Ship Construction) (Ships Built Before 1 September 1984) Regulations (Cap. 369 sub. leg. AL). (E.R. 4 of 2023)
Water from the fire main of every such ship carrying more than 36 passengers shall, as far as practicable, be kept immediately available by maintaining the pressure in the fire main or by providing an easily operable and readily accessible remote control system for the fire pumps.
In every ship of Class I or Class II at least one fire hose shall be provided for every hydrant which is fitted in compliance with regulation 59.
In every ship of Class I or Class II which is fitted with oil-fired boilers or internal combustion type propulsion machinery there shall be provided in each space containing such boilers or machinery at least 2 fire hydrants, one on the port side and one on the starboard side. In addition in any such ship in which there is access to the machinery space by way of a shaft tunnel, a fire hydrant shall be provided in the tunnel at the end adjacent to that machinery space. A nozzle shall be provided for every fire hose at every hydrant which is fitted in such spaces in compliance with this regulation. (L.N. 411 of 1995)
In every ship of Class I or Class II, dual purpose nozzles shall be provided for all hoses. (L.N. 411 of 1995)
In every ship of Class I or Class II there shall be provided on each deck a sufficient number of portable fire extinguishers for at least 2 to be readily available for use in every accommodation and service space between watertight bulkheads and bulkheads constructed in compliance with regulation 88 of the Merchant Shipping (Safety) (Passenger Ship Construction) (Ships Built Before 1 September 1984) Regulations (Cap. 369 sub. leg. AL). At least one portable fire extinguisher shall be provided for use on each side of the ship in any area of enclosed accommodation and service spaces above the bulkhead deck. In addition at least one portable fire extinguisher and a fire blanket shall be provided in every galley provided that where the superficial deck area of any galley exceeds 45 square metres at least 2 such extinguishers and 2 such blankets shall be provided. (E.R. 4 of 2023)
In every such ship at least one portable fire extinguisher shall be provided for use in each control station.
In every such ship there shall be provided in each special category space and cargo space intended for the carriage of motor vehicles with fuel in their tanks for their own propulsion—
at least 2 portable extinguishers, suitable for extinguishing oil fires, for every 40 metres length of deck space, so arranged that at least one extinguisher is available on each side of the space and at least one extinguisher is available at each access to the space; and
1 foam applicator complying with the requirements of Schedule 6; at least 2 such applicators shall be available in the ship for use in any such space.
In every ship of Class I or Class II of 1,000 tons or over there shall be provided a fixed fire smothering gas installation complying with the requirements of regulation 65 which shall be so arranged as to protect every cargo space.
The Director may exempt any ship (other than a ship engaged in the carriage of dangerous goods of Classes 1 to 5) from the requirements of this regulation if he is satisfied that to require compliance therewith would be unreasonable on account of the short duration of the voyages on which the ship is engaged.
In every ship of Class I or Class II there shall be provided for the protection of any space containing any oil-fired boiler, oil fuel settling tank or oil-fuel unit a fixed fire extinguishing installation of one of the following types—
a pressure water spraying system complying with the requirements or regulation 64;
a fire smothering gas installation complying with the requirements of regulation 65;
a foam fire extinguishing installation complying with the requirements of regulation 66.
If the engine and boiler spaces are not entirely separated from each other by a bulkhead, or if fuel oil can drain from the boiler space into the engine space, the combined engine and boiler spaces shall for the purpose of subregulation (1) be regarded as a single space.
In addition to the fixed installations required by subregulation (1) there shall be provided—
one or more foam fire extinguishers each of at least 135 litres capacity or one or more carbon dioxide fire extinguishers each of at least 45 kilograms capacity; the extinguishers shall be sited so as to be readily accessible in the event of fire and they shall be sufficient in number to enable foam or carbon dioxide as the case may be to be directed on to any part of the boiler space and spaces containing any part of the oil fuel installation;
in each firing space and in each space which contains any part of any oil fuel installation at least 2 portable fire extinguishers suitable for extinguishing oil fires; and
in each firing space either a receptacle containing at least 0.3 cubic metre of sand or other dry material suitable for quenching oil fires together with a scoop for its distribution, or a portable fire extinguisher suitable for extinguishing oil fires additional to those required by paragraph (b).
In every ship of Class I or Class II carrying more than 36 passengers there shall be provided in addition to the requirements of subregulation (1) in each boiler room with—
at least 2 water fog applicators; and
at least 1 portable foam applicator complying with Schedule 6. (L.N. 411 of 1995)
In every ship of Class I or Class II carrying more than 36 passengers there shall be provided in addition to the requirements of subregulation (1) in each special category space with at least 3 water fog applicators in addition to the nozzles required by these regulations. (L.N. 411 of 1995)
In every ship of Class I or Class II there shall be provided for the protection of any space containing internal combustion type machinery used for main propulsion, or used for auxiliary purposes and having a total power of not less than 746 kilowatts, at least one of the fixed fire extinguishing installations required by regulation 7(1).
In addition to the requirement of subregulation (1) there shall be provided in any space mentioned in that subregulation—
1 foam fire extinguisher of at least 45 litres capacity or a carbon dioxide fire extinguisher of at least 16 kilograms capacity; and
1 portable fire extinguisher suitable for extinguishing oil fires for each 746 kilowatts or part thereof of such machinery, provided that not less than 2 nor more than 6 such extinguishers shall be required in any such space.
In every ship of Class I or Class II carrying more than 36 passengers there shall be provided in addition to the requirements of subregulation (1) for machinery space containing internal combustion type machinery use for main propulsion, or used for auxiliary purposes and having a total power of not less than 746 kilowatts—
with at least 2 suitable water fog applicators; and
with at least 1 portable foam applicator. (L.N. 411 of 1995)
In every ship of Class I or Class II there shall be provided in spaces containing steam turbines or enclosed pressure lubricated steam engines used for main propulsion, or used for auxiliary purposes and having a total power of not less than 746 kilowatts—
foam fire extinguishers each of at least 45 litres capacity or carbon dioxide fire extinguishers each of at least 16 kilograms capacity sufficient in number and so sited as to enable the extinguishing medium to be directed on to any part of the pressure lubrication system and on to any part of the casings enclosing pressure lubricated parts of the turbines, engines or associated gearing; provided that such extinguishers shall not be required if equivalent protection is provided in such spaces by a fixed fire extinguishing installation fitted in compliance with regulation 7(1); and
1 portable fire extinguisher, suitable for extinguishing oil fires, for each 746 kilowatts or part thereof of such machinery; provided that not less than 2 nor more than 6 such extinguishers shall be required in any such space and provided that such extinguishers shall not be required in addition to any required by regulation 8(2).
In every ship of Class I and Class II, every paint locker and flammable liquid locker shall be protected by an approved fire-extinguishing system.
Every ship of Class I or Class II shall be provided with—
2 firemen’s outfits which shall include breathing apparatus of the air-hose type; and in addition, (E.R. 4 of 2023)
2 firemen’s outfits for every 80 metres (or part thereof) of the aggregate of the lengths of all passenger spaces and service spaces on the deck which carries such spaces or, if there is more than one such deck, on the deck which has the largest of such lengths; every such outfit shall comply with the requirements of regulation 69.
If in any ship of Class I or Class II which carries firemen’s outfits containing only breathing apparatus of the air-hose type an air hose exceeding 36 metres in length would be necessary to reach from a point on the open deck well clear of any hatch or doorway to any part of the accommodation, service, cargo or machinery spaces, at least 2 sets of firemen’s outfits provided pursuant to subregulation (1)(b) shall include breathing apparatus of the self-contained type.
Every ship of Class I or Class II of 1,000 tons or over shall be provided with at least one international shore connection which shall comply with the requirements of Schedule 2 to enable water piped from another ship or shore to be connected to the fire main, and fixed provision shall be made to enable such a connection to be used on the port side and on the starboard side of the ship.
Regulations 3(1) and 4 to 11 inclusive shall apply to ships of Class II(A) of 21.34 metres in length or over as they apply to ships of Class I or Class II. (L.N. 411 of 1995)
Regulation 3(6)(c), (e) and (f) shall apply to ships of Class II (A) of 21.34 metres in length or over and carrying more than 36 passengers as it applies to ships of Class I or Class II carrying more than 36 passengers. (L.N. 411 of 1995)
In every ship of Class II(A) of 21.34 metres in length or over and carrying more than 36 passengers, a public address system or other effective means of communication shall be available and audible throughout the accommodation, public and service spaces, control stations and open decks not later than 1 October 1997. (L.N. 411 of 1995)
Every ship of Class II(A) of less than 21.34 metres in length shall be provided with a hand pump having a permanent sea connection and a hose with 2 nozzles. One such nozzle shall be 10-millimetre diameter. The pump shall be capable through such hose and nozzle of producing a jet of water which can be directed onto any part of the ship. The other such nozzle shall be a spray nozzle. Such pump shall be situated outside the machinery spaces.
In every ship of Class II(A) of less than 21.34 metres in length at least one portable fire extinguisher shall be provided in each of the passenger spaces above the bulkhead deck, and at least 2 such extinguishers shall be provided in each of the crew spaces and each of the passengers spaces below that deck. At least one portable fire extinguisher shall be provided for use in any galley.
In every ship of Class II(A) of less than 21.34 metres in length there shall be provided in any space containing any oil-fired boiler, oil fuel settling tank or oil-fuel unit one or more foam fire extinguishers each of at least 45 litres capacity or one or more carbon dioxide extinguishers each of at least 16 kilograms capacity. The extinguisher, or extinguishers, shall be sited so as to be readily accessible in the event of fire and they shall be sufficient in number to enable foam or carbon dioxide as the case may be to be directed on to any part of the boiler room or spaces containing any part of the oil fuel installation.
In addition to the extinguishers required by subregulation (1) there shall be provided—
in each firing space and in each space which contains any part of any oil fuel installation at least 2 portable fire extinguishers suitable for extinguishing oil fires; and
in each firing space a receptacle containing at least 0.05 cubic metre of sand or other dry material suitable for quenching oil fires together with a scoop for its distribution, or a portable fire extinguisher suitable for extinguishing oil fires additional to those required by paragraph (a).
In every ship of Class II(A) of less than 21.34 metres in length carrying more than 36 passengers, there shall be provided in additional to subregulation (2)—
in each space containing internal combustion type machinery use for main propulsion, or used for auxiliary purposes and having a total power of not less than 746 kilowatts—
at least 2 water fog applicators;
at least 1 set of portable foam applicator complying with the provisions of Schedule 6; and
a fixed fire-extinguishing system complying with the requirements of regulation 7(1) by 1 October 2000;
in each boiler room not being part of the space in paragraph (a)—
at least 2 water fog applicators;
at least 1 set of portable foam applicator unit complying with the provisions of Schedule 6; and
a fixed fire-extinguishing system complying with the requirements of regulation 7(1) by 1 October 2000;
in each special category space—
at least 3 water fog applicators; and
1 set of portable foam applicator complying with the provisions of Schedule 6. Not less than 2 such applicators shall be available in the ship for use in any such space. (L.N. 411 of 1995)
In every ship of Class II(A) carrying more than 36 passengers, each member of the fire patrol shall be provided with a two-way portable radiotelephone apparatus. (L.N. 411 of 1995)
In every ship of Class II(A) of 15.24 metres in length or over but of less than 21.34 metres in length each space containing internal combustion type propulsion machinery shall be provided with at least 5 portable fire extinguishers suitable for extinguishing oil fires; and in every such ship of less than 15.24 metres in length each space shall be provided with at least 3 such portable fire extinguishers. (L.N. 411 of 1995)
Every ship of Class II(A) of 15.24 metres in length or over but of less than 21.34 metres in length shall comply with regulations 15(3) and 15(4) as they apply to Class II(A) of less than 21.34 metres. (L.N. 411 of 1995)
Every ship of Class VII of 500 tons or over shall be provided with appliances whereby at least 2 jets of water can be supplied in accordance with the provisions of regulation 59(3)(a).
Every such ship of 1,000 tons or over shall be provided with at least 2 fire pumps operated by power. Each such pump shall be capable of delivering at least one jet simultaneously from each of any 2 fire hydrants provided in the ship and shall comply with the requirements of regulation 58.
Every ship of Class VII of 500 tons or over but under 1,000 tons shall be provided with at least 2 fire pumps operated by power each of which shall be capable of delivering at least one jet of water from any fire hydrant provided in the ship and shall comply with the requirements of regulation 58.
If any such ship of 500 tons or over is so arranged that a fire in any one compartment could put all the fire pumps out of action there shall be provided, in a position outside the machinery spaces, an independently driven power operated emergency fire pump and its own source of power and sea connection, provided that in any such ship of under 1,000 tons the emergency fire pump may be manually operated.
In every such ship of 1,000 tons or over the emergency fire pump shall be capable of producing at least one jet of water simultaneously from each of any 2 hydrants in the ship through a hose and nozzle complying with regulation 60(4)(b) while simultaneously maintaining a pressure of at least 2.1 bar at any hydrant in the ship.
In every such ship of 500 tons or over but under 1,000 tons, the emergency fire pump shall be capable of producing from any of the fire hydrants in the ship through a hose and nozzle complying with regulation 60(4)(a) a jet of water having a throw of not less than 12.20 metres.
In every such ship of 500 tons or over there shall be provided a fire main, water service pipes and hydrants complying with the requirements of regulation 59.
Every such ship of 1,000 tons or over shall be provided, in addition to any fire hoses provided in the machinery spaces, with at least one fire hose for each 30 metre length of the ship or with 5 such hoses (whichever number is the greater) and such hoses shall have a total length of at least 60% of the length of the ship. In addition to such hoses there shall be provided one spare fire hose. (L.N. 411 of 1995)
Every such ship of 500 tons or over but under 1,000 tons shall in addition to any fire hoses provided in the machinery spaces, be provided with at least 2 fire hoses having a total length of at least 60% of the length of the ship and 1 spare fire hose.
In every such ship of 500 tons or over fitted with oil-fired boilers or internal combustion type propulsion machinery, there shall be provided in each space containing such boilers or machinery at least 2 fire hydrants one on the port side and one on the starboard side and in addition where there is access to the machinery space of any such ship by way of a shaft tunnel, a fire hydrant shall be provided in the tunnel at the end adjacent to that machinery space. A fire hose and spray nozzle shall be provided at every such fire hydrant.
Every ship of Class VII of 500 tons or over shall be provided with a sufficient number of portable fire extinguishers to ensure that at least one such extinguisher will be readily available for use in any part of the accommodation or service spaces. The number of such extinguishers shall not be less than 5 in a ship of 1,000 tons or over and not less than 3 in a ship of 500 tons or over but under 1,000 tons.
In every ship of Class VII of 2,000 tons or over there shall be provided a fixed fire smothering gas installation complying with the requirements of regulation 65 which shall be so arranged as to protect every cargo space; provided that subject to the provisions of regulations 57(1) and 65, steam may be substituted for fire smothering gas in any such installation.
The Director may exempt any ship (other than a ship engaged in the carriage of dangerous goods of Classes 1 to 5) from the requirements of subregulation (1) in so far as such arrangements relate to the provision of a fixed fire smothering gas or steam installation in the cargo holds of the ship if he is satisfied that—
the holds are provided with steel hatch covers and effective means of closing all ventilators and other openings; or
the ship is constructed for, and employed solely in, the carriage of ore, coal, grain, unseasoned timber or non-combustible cargoes, or of cargoes which, in the opinion of the Director, constitute a low fire risk; or (L.N. 411 of 1995; 21 of 2024 s. 78)
to require compliance with the requirements of subregulation (1) would be unreasonable on account of the short duration of the voyages on which the ship is engaged.
In every ship of Class VII of 500 tons or over there shall be provided for the protection of any space containing any oil-fired boiler, oil fuel settling tank or oil-fuel unit a fixed fire extinguishing installation of one of the following types—
a pressure water spraying system complying with the requirements of regulation 64;
a fire smothering gas installation complying with the requirements of regulation 65;
a foam fire extinguishing installation complying with the requirements of regulation 66.
In any such ship of under 1,000 tons a fixed fire smothering steam installation complying with the requirements of regulation 65 may be provided in lieu of any of the installations in subregulation (1).
If the engine room and boiler spaces are not entirely separated from each other by a bulkhead, or if fuel oil can drain from the boiler space into the engine space, the combined engine and boiler space shall for the purpose or subregulation (1) be regarded as a single space.
In addition to the fixed installation required by subregulation (1) there shall be provided—
in each boiler space—
if the number of burners therein is 5 or more, 1 foam fire extinguisher of at least 45 litres capacity or a carbon dioxide fire extinguisher of at least 16 kilograms capacity; or
if the number of burners therein is less than 5, for each burner 1 portable fire extinguisher suitable for extinguishing oil fires;
in each firing space and in each space which contains any part of any oil fuel installation at least 2 portable fire extinguishers suitable for extinguishing oil fires, in addition to any required by paragraph (a);
in each firing space a receptacle containing, in a ship of 1,000 tons or over, 0.3 cubic metre, or in a ship of under 1,000 tons, 0.15 cubic metre of sand or other dry material suitable for quenching oil fires together with a scoop for its distribution, or alternatively an additional portable fire extinguisher suitable for extinguishing oil fires.
If in any such ship of under 1,000 tons a fixed fire smothering steam installation is fitted in compliance with subregulation (2) and steam is supplied by water-tube boilers, there shall in addition be provided for the protection of the boiler space and spaces containing the oil fuel installation 1 foam fire extinguisher of at least 135 litres capacity or a carbon dioxide fire extinguisher of at least 45 kilograms capacity.
In every ship of Class VII of 500 tons or over there shall be provided for the protection of any space containing internal combustion type machinery used for main propulsion, or is used for auxiliary purposes and having a total power of not less than 746 kilowatts at least one of the fixed fire extinguishing installations required by regulation 32(1) provided that in any such ship of under 1,000 tons a fixed fire smothering steam installation complying with the requirements of regulation 65 may be provided in lieu.
In addition to the requirements of subregulation (1) there shall be provided in any such space—
1 foam fire extinguisher of at least 45 litres capacity of a carbon dioxide fire extinguisher of at least 16 kilograms capacity; and
1 portable fire extinguisher suitable for extinguishing oil fires for each 746 kilowatts or part thereof of such machinery provided that not less than 2 nor more than 6 such extinguishers shall be required in any such space.
In every ship of Class VII of 500 tons or over there shall be provided in spaces containing steam turbines or enclosed pressure lubricated steam engines used for main propulsion, or used for auxiliary purposes and having a total power of not less than 746 kilowatts—
foam fire extinguishers each of at least 45 litres capacity or carbon dioxide fire extinguishers each of at least 16 kilograms capacity sufficient in number and so sited as to enable foam or carbon dioxide as the case may be to be directed on to any part of the pressure lubrication system and on to any part of the casing enclosing pressure lubricated parts of the turbines, engines or associated gearing, provided that such extinguishers shall not be required if equivalent protection is provided in such spaces by a fixed fire extinguishing installation fitted in compliance with regulation 32(1); and
1 portable fire extinguisher, for each 746 kilowatts or part thereof of such machinery, suitable for extinguishing oil fires, provided that not less than 2 nor more than 6 such extinguishers shall be required in any such space and provided further that such extinguishers shall not be required in addition to any provided in compliance with regulation 33.
In every ship of Class VII of 500 tons or over, every paint locker and flammable liquid locker shall be protected by an approved fire-extinguishing system.
Every ship of Class VII of 500 tons or over shall carry firemen’s outfits complying with the requirements of regulation 69 in accordance with the following scale—
| Tonnage of the ship | Number of outfits |
| 500 but under 4,000 | 2 |
| 4,000 and over | 3 |
At least 1 fireman’s outfit carried in any such ship shall include a breathing apparatus of the air-hose type.
If in any such ship of 500 tons or over which carries firemen’s outfits containing only breathing apparatus of the air-hose type, an air hose exceeding 36 metres in length would be necessary to reach from a point on the open deck well clear of any hatch or doorway to any part of the accommodation, service, cargo or machinery spaces, at least 1 fireman’s outfit provided pursuant to subregulation (1) shall include breathing apparatus of the self-contained type.
Every ship of Class VII of 500 tons or over shall be provided with an automatic fire detection and alarm system, of a type approved for the purpose of these regulations by the Director, in any machinery space in which continuous manning is not required by reason of the installation of approved automatic and remote control systems and equipment.
Every ship of Class VII of 1,000 tons or over shall be provided with at least one international shore connection which shall comply with the requirements of Schedule 2 to enable water piped from another ship or from the shore to be connected to the fire main, and fixed provision shall be made to enable such a connection to be used on the port side and on the starboard side of the ship.
Every ship of Class VII of under 500 tons shall be provided with appliances whereby at least one jet of water can be supplied in accordance with the provision of regulation 59(3)(b).
Every such ship shall be provided with at least one fire pump operated by power. Such pump shall be capable of delivering at least one jet of water from any fire hydrant provided in the ship, and shall comply with the requirements of regulation 58.
In every such ship fitted with oil-fired boilers or internal combustion type propulsion machinery there shall be provided in a position outside the spaces containing such boilers or machinery an additional fire pump and its source of power and sea connection. If such pump is operated by power, it shall comply with the requirements of paragraph (b) and if it is manually operated, it shall be provided with a hose and a 10-millimetre diameter nozzle and shall be capable of producing through such hose and nozzle a jet of water having a throw of not less than 6 metres which can be directed on to any part of the ship. (E.R. 4 of 2023)
In every such ship there shall be provided a fire main, water service pipes and hydrants complying with the requirements of regulation 59 and at least 3 fire hoses.
In every such ship fitted with oil-fired boilers or internal combustion type propulsion machinery there shall be provided a spray nozzle suitable for use with the fire hoses required by paragraph (d).
Every such ship shall be provided with at least 3 portable fire extinguishers so situated as to be readily available for use in the accommodation and service spaces.
In every such ship there shall be provided for the protection of any space containing any oil-fired boiler, oil fuel settling tank or oil-fuel unit a fixed fire extinguishing installation of one of the following types—
a pressure water spraying system complying with the requirements of regulation 64;
a fire smothering gas or steam installation complying with the requirements of regulation 65;
a foam fire extinguishing installation complying with the requirements of regulation 66.
In every such ship where the engine and boiler spaces are not entirely separated from each other by a bulkhead, or if fuel oil can drain from the boiler space into the engine space, the combined engine and boiler spaces shall, for the purpose of subregulation (3), be regarded as a single space.
In addition to the installation required by subregulation (3) there shall be provided—
in each boiler space and in each space which contains any part of any oil fuel installation, at least 2 portable fire extinguishers suitable for extinguishing oil fires; and
in each firing space, a receptacle containing at least 0.15 cubic metre of sand or other dry material suitable for quenching oil fires together with a scoop for its distribution, or alternatively an additional portable fire extinguisher suitable for extinguishing oil fires.
In every such ship there shall be provided in every space containing internal combustion type machinery either—
1 portable fire extinguisher suitable for extinguishing oil fires for each 74.6 kilowatts or part thereof of such machinery or 7 such extinguishers whichever is the less; or
2 such extinguishers together with 1 foam fire extinguisher of at least 45 litres capacity or one carbon dioxide fire extinguisher of at least 16 kilograms capacity.
Every ship mentioned in subregulation (1)(a) shall be provided with at least one fireman’s outfit complying with the requirements of regulation 69 and which shall contain a breathing apparatus of the air-hose type.
Regulations 29 to 37 inclusive shall apply to every ship of Class VII(A) of 500 tons or over as they apply to ships of Class VII of 500 tons or over.
Every ship of Class VII(A) of less than 500 tons shall carry the fire appliances as are required to be carried by a ship of Class VII of under 500 tons.
Regulations 29, 30 and 32 to 37 inclusive shall apply to ships of Class VIII of 1,000 tons or over as they apply to ships of Class VII of 1,000 tons or over.
Every ship of Class VIII of 500 tons or over shall be provided with appliances whereby at least 2 jets of water can be supplied in accordance with the provision of regulation 59(3)(a).
Every such ship shall be provided with at least 2 fire pumps operated by power one of which may be driven by the main engine. Each such pump shall be capable of delivering at least one jet of water from any fire hydrant provided in the ship and shall comply with the requirements of regulation 58.
If any such ship fitted with oil-fired boilers or internal combustion type propulsion machinery is so arranged that a fire in any one compartment could put all the fire pumps out of action, there shall be provided, in a position outside the machinery spaces, an emergency fire pump with its own source of power and sea connection. Such pump may be operated by power or manually, and shall be capable of producing from any of the fire hydrants and hoses in the ship, through a nozzle complying with regulation 60(4)(a) a jet of water having a throw of not less than 12.2 metres.
In every such ship there shall be provided a fire main, water service pipes and hydrants which shall comply with the requirements of regulation 59.
Every such ship shall, in addition to any fire hose provided in the machinery spaces, be provided with at least 2 fire hoses having a total length of at least 60% of the length of the ship and 1 spare fire hose.
In every such ship fitted with oil-fired boilers or internal combustion type propulsion machinery there shall be provided in each space containing such machinery at least one fire hydrant. A fire hose and spray nozzle shall be provided at every such hydrant.
Every such ship shall be provided with at least 3 portable fire extinguishers so situated as to be readily available for use in the accommodation and service spaces.
In every such ship there shall be provided for the protection of any space containing any oil-fired boiler, oil fuel settling tank or oil-fuel unit a fixed fire extinguishing installation of one of the following types—
a pressure water spraying system complying with the requirements of regulation 64;
a fire smothering gas or steam installation complying with the requirements of regulation 65;
a foam fire extinguishing installation complying with the requirements of regulation 66.
In every such ship where the engine and boiler spaces are not entirely separated from each other by a bulkhead, or if fuel oil can drain from the boiler space into the engine space, the combined engine and boiler space shall, for the purpose of subregulation (3), be regarded as a single space.
If a fixed fire smothering steam installation is fitted in compliance with the requirements of subregulation (3)(b) and steam is supplied only by water-tube boilers there shall, in addition, be provided for the protection of the boiler space and spaces containing the oil fuel installation 1 foam fire extinguisher of at least 135 litres capacity or a carbon dioxide fire extinguisher of at least 45 kilograms capacity.
In addition to the installation required by subregulation (3) there shall be provided—
in each boiler space—
if the number of burners therein is 5 or more, 1 foam fire extinguisher of at least 45 litres capacity or a carbon dioxide fire extinguisher of at least 16 kilograms capacity; or
if the number of burners therein is less than 5, for each burner 1 portable fire extinguisher suitable for extinguishing oil fires;
in each firing space, and in each space which contains any part of any oil fuel installation, at least 2 portable fire extinguishers suitable for extinguishing oil fires in addition to any such extinguishers which may be carried in compliance with paragraph (a); and
in each firing space, a receptacle containing at least 0.15 cubic metre of sand or other dry material suitable for quenching oil fires together with a scoop for its distribution, or alternatively an additional portable fire extinguisher suitable for extinguishing oil fires.
In every ship mentioned in subregulation (1)(a) there shall be provided in any space containing internal combustion type machinery used for the main propulsion, or used for auxiliary purposes and having a total power of not less than 186.5 kilowatts 1 foam fire extinguisher of at least 45 litres capacity or a carbon dioxide fire extinguisher of at least 16 kilograms capacity.
In every such ship there shall be provided in any space containing internal combustion type machinery 1 portable fire extinguisher suitable for extinguishing oil fires for each 74.6 kilowatts or part thereof of such machinery, provided that no more than 6 such extinguishers shall be required in any such space. (E.R. 4 of 2023)
Every such ship shall be provided with at least 2 firemen’s outfits complying with the requirements of regulation 69 and at least one such outfit shall contain a breathing apparatus of the air-hose type.
In every such ship, paint lockers and flammable liquid lockers shall be protected by an approved fire-extinguishing system. (L.N. 411 of 1995)
Every ship of Class VIII of 150 tons or over but under 500 tons shall be provided with appliances whereby at least one jet of water can be supplied in accordance with the provisions of regulation 59(3)(b).
Every such ship shall be provided with at least one fire pump operated by power which shall be capable of delivering at least one jet of water from any fire hydrant provided in the ship and shall comply with the requirements of regulation 58.
In every such ship fitted with oil-fired boilers or internal combustion type propulsion machinery, if the pump required by paragraph (b) and its source of power and sea connection are not situated outside spaces containing such boilers or machinery, there shall be provided in a position outside such spaces an additional fire pump with its own source of power and sea connection. If such pump is operated by power, it shall comply with the requirements of paragraph (b) and if it is manually operated, it shall be provided with a hose and a 10-millimetre diameter nozzle and shall be capable of producing through such hose and nozzle a jet of water having a throw of not less than 6 metres which can be directed on to any part of the ship. (E.R. 4 of 2023)
In every such ship there shall be provided a fire main, water service pipes and hydrants complying with the requirements of regulation 59 and at least 2 fire hoses.
In every such ship fitted with oil-fired boilers or internal combustion type propulsion machinery there shall be provided a spray nozzle suitable for use with the fire hoses required by paragraph (d).
Every such ship shall be provided with at least 2 portable fire extinguishers so situated as to be readily available for use in the accommodation and service spaces.
In every such ship there shall be provided for the protection of any space containing any oil-fired boiler, oil fuel settling tank or oil-fuel unit a fixed fire extinguishing installation of one of the following types—
a pressure water spraying system complying with the requirements of regulation 64;
a fire smothering gas or steam installation complying with the requirements of regulation 65;
a foam fire extinguishing installation complying with the requirements of regulation 66.
In every such ship where the engine and boiler spaces are not entirely separated from each other by a bulkhead, or if fuel oil can drain from the boiler space into the engine space, the combined engine and boiler spaces shall, for the purpose of subregulation (3), be regarded as a single space.
In addition to the installation required by subregulation (3) there shall be provided—
in each boiler space and in each space which contains any part of any fuel installation, at least 2 portable fire extinguishers suitable for extinguishing oil fires; and
in each firing space, a receptacle containing at least 0.15 cubic metre of sand or other dry material suitable for quenching oil fires together with a scoop for its distribution, or alternatively an additional portable fire extinguisher suitable for extinguishing oil fires.
In every such ship there shall be provided in any space containing internal combustion type machinery either—
1 portable fire extinguisher suitable for extinguishing oil fires for each 74.6 kilowatts or part thereof of such machinery or 7 such fire extinguishers, whichever is less; or
2 such fire extinguishers, together with either 1 foam fire extinguisher of at least 45 litres capacity or 1 carbon dioxide fire extinguisher of at least 16 kilograms capacity. (L.N. 411 of 1995)
Every such ship shall be provided with at least one fireman’s axe.
In every ship of Class VIII of under 150 tons—
where such ship is 21.34 metres in length or over, such ship shall comply with the requirements of regulation 42(1) except that the fire pump required by regulation 42(1)(b) may be driven by the main engine;
where such ship is less than 21.34 metres in length there shall be provided in a position outside the machinery spaces a hand pump with a permanent sea connection, a hose with a 10-millimetre diameter nozzle capable of producing a jet of water having a throw of not less than 6 metres which can be directed on to any part of the ship, and in addition a spray nozzle suitable for use with the hose, provided that in any such ship of less than 9.14 metres in length or in any open ship of less than 21.34 metres in length, 2 fire buckets, one of which shall be fitted with a lanyard, may be substituted for such equipment but such buckets shall not be required in addition to buckets provided in compliance with subregulation (2). (E.R. 4 of 2023)
Every ship of Class VIII of under 150 tons shall be provided with portable fire extinguishers or with fire buckets in accordance with the table to this subregulation. When fire buckets are provided at least one shall be fitted with a lanyard.
| Length of ship in metres | Minimum number of extinguishers or buckets |
| Less than 21.34 metres | 2 |
| 21.34 metres or more | 3 |
In addition to the items required by subregulation (2) every such ship which is fitted with oil-fired boilers or internal combustion type propulsion machinery shall be provided with portable fire extinguishers suitable for extinguishing oil fires in accordance with the following table—
| Length of ship | Minimum number of extinguishers |
| Less than 6 metres | 1 |
| 6 metres or more | 2 |
Every ship of Class VIII of under 150 tons of 9.14 metres in length or over which is—
fitted with oil-fired boilers or internal combustion type propulsion machinery; and
is mainly or wholly constructed of wood; and
is decked in way of the machinery space,
shall, subject to subregulation (5), be provided with means for rapidly injecting into the machinery space a quantity of fire smothering gas equivalent to at least 60% of the gross volume of that space or, where the machinery space is bounded by steel bulkheads, at least 40% of the gross volume of the space. Such means of injection shall be situated outside the machinery space.
In any ship of Class VIII of less than 21.34 metres in length there may be substituted for the means of injection required by subregulation (4) a water spraying system supplied from a hand pump with a permanent sea connection. Such pump and sea connection shall be situated outside the machinery space and shall be connected by fixed piping to a sufficient number of water spraying nozzles suitably sited in the machinery space and capable of extinguishing oil fires. Such pumps and sea connection may be the pump and sea connection referred to in subregulation (1)(b).
Every ship of Class VIII of under 150 tons which is a fully-decked ship of 21.34 metres in length or over shall be provided with a fireman’s axe. (E.R. 4 of 2023)
Regulations 29, 30 and 32 to 37 inclusive shall apply to ships of Class VIII(A), Class IX or Class IX(A), of 1,000 tons or over, as they apply to ships of Class VII of 1,000 tons or over.
Regulations 41(1) to (8) and (10), 42 and 43 inclusive shall apply to ships of Class VIII(A), Class IX or Class IX(A), of under 1,000 tons as they apply to ships of Class VIII of under 1,000 tons. In addition every such ship of 500 tons or over shall be provided with at least one fireman’s outfit complying with the requirements of regulation 69 and which shall contain a breathing apparatus of the air-hose type. (L.N. 411 of 1995)
Regulations 29, 30 and 32 to 37 inclusive shall apply to ships of Class XI of 1,000 tons or over as they apply to ships of Class VII of 1,000 tons or over.
Regulations 41 to 43 inclusive shall apply to ships of Class XI of under 1,000 tons as they apply to ships of Class VIII of under 1,000 tons.
This Part shall apply to tankers, except that in the case of a chemical tanker, alternative arrangements may be provided to the satisfaction of the Director.
Regulations 29, 30, 32, 33, 34, 34A, 36 and 37 shall apply to tankers of Class VII(T) of 500 tons or over as they apply to ships of Class VII of 500 tons or over.
Except as provided in subregulations (2A) and (3), every tanker of Class VII(T) of 20,000 tonnes deadweight or over constructed or adapted and used to carry crude oil and petroleum products having a closed fishponds not exceeding 60°C, the Reid vapour pressure of which is below atmospheric pressure, and other liquids having a similar fire hazard shall be provided with an inert gas system complying with Schedule 1. (L.N. 411 of 1995)
The Director may exempt any tanker of Class VII(T) of less than 40,000 tonnes deadweight, other than those tankers specified in paragraphs (a) to (d) of regulation 49(1) which are carrying crude oil and are not fitted with tank washing machines having an individual throughput of greater than 60 cubic metres per hour, from the inert gas requirements of Schedule 1 if the Director considers it would be unreasonable or impracticable to apply such requirements, he having taken into account the tanker’s design characteristics.
A tanker referred to in subregulation (1) need not be provided with an inert gas system complying with the requirements of Schedule 1 if—
being a chemical tanker carrying as cargo any substance mentioned in subregulation (1), it is provided with an inert gas system complying with the requirements of Schedule 1A;
being a chemical tanker carrying crude oil or petroleum products, it is provided with an inert gas system complying with the requirements of Schedule 1B;
being a gas carrier carrying as cargo a substance mentioned in subregulation (1), it is provided with cargo tank inerting arrangements equivalent to those specified in paragraph (a) or (b);
being a chemical tanker or gas carrier, it is carrying a flammable cargo other than crude oil or petroleum products.
In paragraph (d), the reference to a flammable cargo other than crude oil or petroleum products includes (without prejudice to the generality of that reference) a reference to any of the cargoes listed in Chapters VI and VII of the Code for the Construction and Equipment of Ships Carrying Dangerous Chemicals in Bulk. (L.N. 411 of 1995)
Tankers of less than 40,000 tonnes deadweight carrying oil other than crude oil or other liquids having a similar fire hazard which are not fitted with tank washing machines having an individual throughput greater than 60 cubic metres shall not be required to be fitted with an inert gas system.
Every tanker of Class VII(T) of 500 tons or over which operates with a tank cleaning procedure using crude oil washing shall be fitted with an inert gas system complying with Schedule 1.
In every tanker of Class VII(T) of 500 tons or over only fixed tank washing machines shall be permitted when operating a tank cleaning procedure using crude oil washing.
Every tanker of Class VII(T) of 500 tons or over fitted with a fixed inert gas system in compliance with this regulation shall be provided with a closed ullage system.
A tanker shall be exempt from the requirements to fit an inert gas system complying with Schedule 1 if it is fitted with an installation providing equivalent protection. For the purposes of this regulation an installation shall be deemed to provide equivalent protection to an inert gas system if it is—
capable of preventing dangerous accumulations of explosive mixtures in intact cargo tanks during normal service throughout the ballast voyage and necessary in-tank operations; and
so designed as to minimise the risk of ignition from the generation of static electricity by the system itself.
Where any tanker of Class VII(T) is constructed or adapted for the carriage of cargoes which introduce additional fire hazards, additional safety measures shall be provided.
Every tanker referred to in regulation 48(1)—
for which the building contract was placed after 1 June 1979;
in the absence of a building contract, the keel of which was laid or which was at a similar stage of construction after 1 January 1980;
delivered after 1 June 1982; or
which undergoes an alteration or modification of a major character—
for which a contract was placed after 1 June 1979; or
in the absence of a contract, the construction work of which was begun after 1 January 1980; or
which was completed after 1 June 1982,
shall be fitted with a fixed deck foam system complying with regulation 67.
Every Category A tanker of Class VII(T) of 100,000 tons deadweight or over and every Category A combination carrier of Class VII(T) of 50,000 tons deadweight or over shall be provided with a fixed deck foam system complying with regulation 67.
Every tanker of Class VII(T) of 2,000 tons or over not fitted with an inert gas system complying with Schedule 1 shall be provided with a fixed smothering gas or steam installation complying with regulation 65 or a fixed foam fire extinguishing installation complying with regulation 66(2) providing protection for all cargo spaces.
Every tanker of Class VII(T) of 2,000 tons or over not fitted with a fixed deck foam system complying with regulation 67, or a fixed foam fire extinguishing installation complying with regulation 66(2) shall be provided with a mobile foam liquid fire fighting unit having a capacity of at least 100 litres of foam concentrate or alternatively 2 portable foam applicators each having not less than 50 litres of foam concentrate readily available. Such unit or appliances, when connected to the appropriate deck fire hydrants, shall be capable by simple and rapid means of operation of discharging foam on to the area of the cargo piping manifold.
Every tanker of Class VII(T) of under 2,000 tons not provided with any of the deck foam arrangements or foam appliances referred to in subregulation (4) shall be provided with at least one mobile foam appliance whereby foam is immediately available, by simple and rapid means of operation, for discharge in the area of the cargo piping manifolds.
A tanker shall be exempt from the requirement to be fitted with a fixed deck foam system complying with regulation 67 if it is provided with a fire extinguishing system providing equivalent protection. For the purposes of this regulation, a fire extinguishing system shall be deemed to provide equivalent protection to a fixed deck foam system if it is—
capable of extinguishing spill fires and precludes ignition of spilled oil not yet ignited; and
capable of combating fires in ruptured tanks.
Where any such tanker is constructed or adapted for the carriage of cargoes which introduce additional fire hazards, additional safety measures shall be provided. (L.N. 411 of 1995)
Combination carriers shall not carry solid cargoes unless all cargo tanks are empty of crude oil and other petroleum products having a close flash point not exceeding 60°C and other liquids having a similar fire hazard and are gas freed or unless the arrangements provided are in accordance with the relevant operational requirements contained in the Guidelines for Inert Gas Systems and to the satisfaction of the Director.
In every Category A tanker of Class VII(T) of 500 tons or over and in every Category A combination carrier of Class VII(T) of 500 tons or over, each cargo pump room shall be provided with a fixed fire extinguishing system operated from a readily accessible position outside the pump room. The system shall use water or other medium approved for the purposes of these regulations by the Director.
In every tanker of Class VII(T) of 500 tons or over there shall be provided not less than 4 firemen’s outfits complying with the requirements of regulation 69. One such outfit carried in any such tanker shall include a breathing apparatus of the air-hose type and the remainder shall include breathing apparatus of the self-contained type provided that where the air hose of an air-hose type breathing apparatus has in order to comply with paragraph (2) of Schedule 5 to exceed 36 metres in length, a further self-contained breathing apparatus shall be provided as an addition.
Regulation 38 shall apply to every tanker of Class VII(T) of under 500 tons as it applies to ships of Class VII of under 500 tons. In addition there shall be provided at least one mobile foam appliance whereby foam is immediately available by simple and rapid means of operation for discharge in the area of the cargo manifolds.
Regulations 29, 30, 32, 33, 34, 34A, 36 and 37 shall apply to tankers of Class VIII(T), Class VIII(A)(T) or Class IX(A)(T) of 500 tons or over as they apply to ships of Class VII of 500 tons or over. In addition, regulations 48 to 52 inclusive shall apply to such tankers as they apply to tankers of Class VII(T) of 500 tons or over.
Regulation 42 shall apply to tankers of Class VIII(T), Class VIII(A)(T) or Class IX(A)(T), of 150 tons or over, but under 500 tons as it applies to ships of Class VIII of 150 tons or over but under 500 tons. In addition there shall be provided at least one mobile foam appliance whereby foam is immediately available by simple and rapid means of operation for discharge in the area of the cargo manifolds.
Regulation 44 shall apply to tankers of Class VIII(T) of under 150 tons as it applies to ships of Class VIII of under 150 tons. In addition, there shall be provided a mobile foam appliance whereby foam is immediately available by simple and rapid means of operation for discharge in the area of the cargo manifolds.
Where any ship to which these regulations apply (other than a passenger ship) carries explosives of such nature and of such quantity that had the ship been a passenger ship, the explosives would not have been permitted on such ship by Chapter 7.1 of the IMDG Code, such explosives shall not be carried in any compartment in the ship which is fitted with steam fire smothering arrangements. A fire detection system complying with regulation 68 or a smoke detection system shall be provided in any compartment containing such explosives and in every adjacent compartment. (L.N. 252 of 2018; L.N. 151 of 2022)
In passenger ships to which these regulations apply, fire pumps (other than any emergency fire pump) which are to be operated by power shall (operating together if more than one) be capable of delivering for fire fighting purposes under the conditions and of the pressure specified in regulation 59 a quantity of water of not less than two thirds of the quantity required to be dealt with by the bilge pumps provided in the ship in compliance with Part III of the Merchant Shipping (Safety) (Passenger Ship Construction) (Ships Built Before 1 September 1984) Regulations (Cap. 369 sub. leg. AL). (E.R. 4 of 2023)
In ships other than passenger ships fire pumps (other than any emergency pump) which are required to be operated by power shall (operating together if more than one) be capable of delivering for fire fighting purposes under the conditions and at the pressure specified in regulation 59 a quantity of water of Cd2 per hour,
where— (E.R. 4 of 2023)
C = 5 in the case of ships required to be provided with more than one fire pump (excluding any emergency fire pump) and C = 2.5 in the case of ships required to be provided with 1 fire pump; and
d = 1 + 0.066 L (B+D) to the nearest 0.25, where—
| L = | the length of the ship in metres on the summer load waterline from the foreside of the stem to the afterside of the rudder post. Where there is no rudder post, the length is measured from the foreside of the stem to the axis of the rudder stock. For ships with cruiser sterns, the length shall be taken as 96% of the total length on the designed summer load waterline or as the length from the foreside of the stem to the axis of the rudder stock whichever is the greater; |
| B = | the greatest moulded breadth of the ship in metres; and |
| D = | the moulded depth of the ship in metres measured to the bulkhead deck amidships: |
Provided that in any such ship the total capacity of the fire pumps for fire fighting purposes shall not be required to exceed 180 cubic metres per hour.
Every fire pump required by these regulations to be operated by power shall, except as expressly provided otherwise, be operated by means other than the ship’s main engines. Fire pumps provided in compliance with these regulations may be sanitary, ballast, bilge or general service pumps provided that they are not normally used for pumping oil and that if they are occasionally used for the transfer or pumping of oil, suitable change-over arrangements are provided and operating instructions are conspicuously displayed at the change-over position.
In every ship which is required by these regulations to be provided with more than one fire pump operated by power (other than any emergency pump) every such fire pump shall have a capacity of not less than 80% of the total capacity of the fire pumps required by subregulation (1) divided by the number of fire pumps required by these regulations to be provided in the ship, provided that when more fire pumps operated by power than are required by these regulations are provided in any ship, the Director may permit the capacity of any such additional fire pumps to be less than 80%.
Every fire pump required by these regulations which is operated by power shall be capable of producing from any fire hydrant or hydrants in the ship, at least the minimum number of jets of water required by these regulations as appropriate to the class and tonnage of the ship, while maintaining the pressure required by regulation 59(2).
Relief valves shall be provided in conjunction with all fire pumps if the pumps are capable of developing a pressure exceeding the design pressure of the fire main, water service pipes, hydrants and hoses. Such valves shall be so placed and adjusted as to prevent excessive pressure in any part of the fire main system.
Every centrifugal pump which is connected to the fire main shall be fitted with a non-return valve. (E.R. 4 of 2023)
In every ship of Class I, Class II or Class II(A) any emergency fire pump shall be situated in positions aft of the ship’s collision bulkhead.
In any ship in which automatic and remote-control systems have been provided in the machinery space, in lieu of continuous manning of the space, arrangements shall be made to ensure immediate availability of a water supply from the fire main at the required pressure either by permanent pressurisation or by suitably placed remote starting arrangements of the fire pumps.
In every ship required by these regulations to be provided with one or more fire pumps operated by power the diameter of the fire main and of the water service pipes connecting the hydrants thereto shall be sufficient for the effective distribution of the maximum discharge required by regulation 58 from—
1 pump where only 1 pump is required by these regulations; or
2 such pumps simultaneously where 2 such pumps are required; or
from the 2 largest pumps simultaneously where more than 2 such pumps are so required:
Provided that in any ship, other than a passenger ship, the diameter of the fire main and of the water service pipes shall not be required to be greater than is necessary for the discharge of 140 cubic metres of water per hour.
Such fire pumps shall be capable, when discharging the maximum amounts referred to in subregulation (1) through adjacent fire hydrants with nozzles of the sizes specified in regulation 60, of maintaining at any hydrant the following minimum pressure—
in any passenger ship—
of 4,000 tons and upwards—
3.1 bar (0.31 newton per square millimetre);
of 1,000 tons and upwards but under 4,000 tons—
2.7 bar (0.27 newton per square millimetre);
of under 1,000 tons—
2.1 bar (0.21 newton per square millimetre);
in any ship other than a passenger ship—
of 6,000 tons and upwards—
2.7 bar (0.27 newton per square millimetre);
of 1,000 tons and upwards but under 6,000 tons—
2.5 bar (0.25 newton per square millimetre);
Where any ship is required by these regulations to be provided with appliances capable of supplying 2 jets of water complying with this regulation, hydrants sufficient in number shall be so positioned as to enable at least 2 jets of water not emanating from the same hydrant, one such jet being from a single length of hose, to reach any part of the ship normally accessible to the passengers or crew while the ship is being navigated, and to any store room and any part of any cargo space when empty.
Where any ship is required by these regulations to be provided with appliances capable of supplying 1 jet of water complying with this regulation, hydrants sufficient in number shall be so positioned as to enable 1 jet of water from a single length of hose to reach any part of the ship normally accessible to the passengers or crew while the ship is being navigated, and any store room and any part of any cargo space when empty.
As regards a ship to which these regulations apply the provisions of the following paragraphs shall have effect—
The fire main shall have no connections other than those necessary for fire-fighting and washing down.
Materials readily rendered ineffective by heat shall not be used for fire mains unless adequately protected. The pipes and fire hydrants shall be so placed that the fire hoses may be easily coupled to them. In ships which may carry deck cargo the fire hydrants shall be so placed that they are always readily accessible and the pipes shall be arranged as far as practicable to avoid risk of damage by such cargo. Unless 1 fire hose and 1 nozzle are provided for each fire hydrant in the ship all fire hose couplings and nozzles in the ship shall be interchangeable.
Hydrant valves of the screw lift type or cocks shall be fitted in such positions that any of the fire hoses may be isolated and removed while the fire pumps are at work.
The water pipes shall not be made of cast iron, and if made of iron or steel shall be galvanised or alternatively the pipe wall thickness shall be increased by a corrosion allowance approved for the purposes of this regulation by the Director.
Where wash deck lines are not self-draining suitable drain cocks shall be fitted to avoid damage by frost.
Fire hoses provided in compliance with these regulations shall not exceed 18 metres in length except that fire hoses in ships having a moulded breadth of 27 metres or more used for exterior locations and cargo spaces may exceed 18 metres but shall not exceed 27 metres in length. All such hoses shall be made of closely woven flax canvas or other suitable material. All such hoses shall be provided with couplings, branch pipes and other necessary fittings and, except as otherwise required by these regulations, with a plain nozzle.
Every fire hose provided in compliance with these regulations, together with the tools and fittings necessary for its use, shall be kept in a conspicuous position near the hydrants or connections with which it is intended to be used.
Fire hoses provided in compliance with these regulations shall not be used for any purpose other than for fire fighting or testing the fire appliances.
As regards a ship to which these regulations apply the provisions of the following paragraphs shall have effect—
Every ship which is required by these regulations to be provided with fire pumps operated by power shall be provided with nozzles of 12 millimetres, 16 millimetres, or 19 millimetres in diameter or as near thereto in diameter as possible. Nozzles larger in diameter may be provided if the requirements of these regulations relating to the provision of water for fire fighting purposes are otherwise complied with.
For machinery spaces and exterior locations the diameter of the nozzles shall be such as to obtain the maximum possible discharge from the minimum number of jets of water at the pressure required by regulation 59 from the smallest fire pump permitted by regulation 58(3)(a) provided that the diameter of the nozzles shall not be required to be greater than 19 millimetres.
For accommodation and service spaces the diameter of the nozzles shall not be required to be greater than 12 millimetres.
In every Class I or Class II or Class II(A) ship or Category A tankers and in Category A combination carriers of 500 tons or over respectively, all nozzles provided in accordance with these regulations shall be of dual purpose spray/jet type incorporating a shut-off facility. (L.N. 411 of 1995)
Every spray nozzle provided in compliance with these regulations shall be capable of producing a water spray suitable for extinguishing oil fires and shall be provided in addition to any plain nozzle required by subregulation (1) provided that a dual purpose spray/jet nozzle capable of producing alternately such a spray and a plain water jet may be provided in substitution.
Any international shore connection provided in compliance with these regulations shall be constructed in accordance with the requirements of Schedule 2.
Non-portable foam and carbon dioxide fire extinguishers provided in compliance with these regulations shall be constructed in accordance with the requirements of Schedules 3 and 4 respectively. (E.R. 4 of 2023)
Portable fire extinguishers (other than carbon dioxide fire extinguishers) provided in compliance with these regulations shall, if they are of a type discharging fluid, have a capacity of not more than 13.5 litres and not less than 9 litres.
Portable carbon dioxide fire extinguishers provided in compliance with these regulations shall have a capacity of not less than 3 kilograms of carbon dioxide.
Portable dry powder fire extinguishers provided in compliance with these regulations shall have a capacity of not less than 4.5 kilograms of dry powder.
Portable fire extinguishers of other types provided in compliance with these regulations shall be of not less than the fire extinguishing equivalent of a 9 litres fluid fire extinguisher. (E.R. 4 of 2023)
Portable fire extinguishers provided in compliance with these regulations shall not exceed 25.6 kilograms in weight in the fully charged service condition and shall be as portable as a 13.5 litres fluid fire extinguisher.
Portable fire extinguishers provided in compliance with these regulations for use in accommodation or service spaces of any ship shall so far as practicable have a uniform method of operation.
Portable fire extinguishers provided in compliance with these regulations shall, subject to the limitations of subregulations (2) and (3), be constructed in accordance with the following specification of the British Standards Institution—
| Type of Extinguisher | Specification Number |
| Water type (Soda-acid) | BS 138 : 1984 |
| Water type (Gas-pressure) | BS 1382 : 1948 |
| Foam type (Chemical) | BS 740 : Part 1 : 1948 |
| Foam type (Gas-pressure) | BS 740 : Part 2 : 1952 |
| Carbon dioxide | BS 3326 : 1960 |
| Dry powder | BS 3465 : 1962 |
or BS 5423 which supersedes those specifications. (L.N. 411 of 1995)
Where portable dry powder fire extinguishers are provided in compliance with these regulations in either accommodation and service spaces or in machinery spaces, their number shall not exceed one half of the total number of extinguishers provided in either of those spaces.
No fire extinguisher provided for use in any ship to which these regulations apply shall contain an extinguishing medium which either itself or when in use gives off gases harmful to persons.
For the purposes of these regulations, the capacity of any fire extinguisher other than a carbon dioxide fire extinguisher shall be taken to be the greatest volume or weight of extinguishing medium which it can contain when sufficient space is left to ensure the proper operation of the extinguisher.
For the purposes of these regulations, the capacity of a carbon dioxide fire extinguisher shall be taken to be the greatest weight of carbon dioxide which it can safely contain in a tropical climate.
Every fire extinguisher provided in compliance with these regulations shall be kept fully charged.
A spare charge shall be provided for every portable fire extinguisher provided in compliance with these regulations, not being a fire extinguisher of a type that cannot readily be recharged while the relevant ship is at sea. Where an extinguisher of the last-mentioned type is provided, an additional portable fire extinguisher of the same type, or its equivalent, shall be provided.
Every fixed pressure water spraying system fitted in compliance with these regulations shall be provided with a pump, piping system, control valves, and spraying nozzles.
The spraying nozzles of a system mentioned in subregulation (1) shall be of such a type, sufficient in number and so arranged as to ensure distribution of water spray such as will effectively extinguish oil on fire in the spaces protected thereby. Spraying nozzles shall be fitted above bilges, tank tops and other areas over which oil fuel is liable to spread and above other main fire hazards in the spaces to be protected.
A water spraying system mentioned in subregulation (1) may be divided into sections and shall be controlled from distribution manifolds the valves of which shall be capable of being operated from easily accessible positions which are outside the spaces to be protected and which will not be readily cut off by an outbreak of fire.
A water spraying system mentioned in subregulation (1) shall be kept charged at the designed pressure and the pump supplying the water for the system shall be automatically put into action by a pressure drop in the system.
The pump of a system mentioned in subregulation (1) shall be capable of supplying water at the designed pressure simultaneously to all sections of the water spraying system in any one compartment. The pump and its controls shall be installed outside the space or spaces to be protected. The system shall be so arranged that it cannot be put out of action by a fire in the space or spaces it is designed to protect.
As regards a system mentioned in subregulation (1), means shall be provided which will prevent nozzles from becoming clogged by impurities in the water or corrosion of piping, nozzles, valves and pump.
A water spraying system mentioned in subregulation (1) shall include mobile sprayers ready for immediate use in the firing area of the boiler or in the vicinity of the oil-fuel unit.
No part of a water spraying system mentioned in subregulation (1) shall be situated forward of the collision bulkhead in any passenger ship.
Operating instructions in clear and permanent lettering shall be affixed to every water spraying system mentioned in subregulation (1) or in a position adjacent thereto.
As regards a fixed fire smothering gas and steam installation in a ship to which these regulations apply and which is provided for the injection of gas or steam into machinery or cargo spaces for fire extinguishing purposes, other than an installation fitted in a ship of Class VIII of under 150 tons in compliance with regulation 43(4), the pipes for conveying the gas or steam shall be so placed that they will be easily accessible and not readily cut off from use by an outbreak of fire. Such control valves or cocks shall be permanently marked to indicate clearly the compartments to which the pipes are led. Suitable provision shall be made to prevent inadvertent admission of the gas or steam to any compartment.
Where cargo spaces fitted with a gas or steam smothering system for fire protection, are used as passenger spaces the smothering gas or steam pipe connection shall be blanked during service as a passenger space.
The piping shall be so arranged as to provide effective distribution of fire smothering gas or steam. Where steam is used in any hold exceeding 18.3 metres in length there shall be at least 2 pipes one of which shall be fitted in the forward part and one in the after part of the hold. Except in tankers and ships used for the conveyance of coal, pipes for conveying steam shall be fitted with outlets as low as practicable in the space which they serve and as near as practicable to the centre line of the space.
In tankers the piping shall be so arranged that the steam or fire smothering gas will be distributed over the surface of the cargo.
When carbon dioxide is used as the extinguishing medium in cargo spaces, the quantity of gas available shall be sufficient to give a minimum volume of free gas equal to 30% of the gross volume of the largest cargo compartment in the ship which is capable of being sealed.
When carbon dioxide is used as an extinguishing medium for spaces containing boilers or machinery, the quantity of gas carried shall be sufficient to give a minimum quantity of free gas equal to the larger of the following quantities—
40% of the gross volume of the largest space containing boilers or machinery, such volume being measured up to the level at which the horizontal area of the casing is 40% or less of the gross area of such spaces; or
35% of the gross volume of the largest space containing boilers or machinery, including the casing:
Provided that those percentages may be reduced to 35% and 30% respectively for ships of under 2,000 tons, not being passenger ships, and provided further that if 2 or more spaces containing boilers or machinery are not entirely separate they shall for the purposes of this regulation be considered as forming one space.
When carbon dioxide is used as the extinguishing medium for a space containing any oil-fired boiler or oil fuel installation, a quantity of gas which can be discharged without danger to the operator shall be available for manual application, by means of a suitable applicator, in the firing area of the boiler in the vicinity of the oil-fuel unit.
When carbon dioxide is used as the extinguishing medium both for cargo spaces and for spaces containing boilers or machinery the quantity of gas shall not be required to be more than the maximum required either for the largest cargo compartment or machinery space, whichever is greater.
For the purpose of this subregulation the volume of gas shall be calculated at 0.56 cubic metre to the kilogram.
When carbon dioxide is used as the extinguishing medium for any space containing boilers or machinery the fixed piping system shall be such that 85% of the gas required to provide the concentration referred to in paragraph (b) when applied to the space concerned can be discharged into that space within 2 minutes.
Means shall be provided for giving audible warning to persons within the space when carbon dioxide other than that specified in paragraph (c) is about to be released into any working space.
When a system producing inert gas is used to provide smothering gas in a fixed fire smothering installation for cargo spaces, it shall be capable of producing hourly a volume of free gas at least equal to 25% of the gross volume of the largest such space for a period of 72 hours.
When steam is used as the extinguishing medium in cargo spaces the boiler or boilers available for supplying steam shall have an evaporation rate of at least 1.33 kilograms of steam per hour for each cubic metre of the gross volume of the largest such space. The arrangements shall be such that steam will be immediately available and that it can be supplied continuously until the end of the voyage in the quantity required by this subregulation in addition to any steam necessary for the normal requirements of the ship including propulsion. Provision shall be made for extra feed water necessary to meet this requirement.
No part of the control, storage or generating arrangement of any fixed fire smothering gas or steam installation shall be situated forward of the collision bulkhead in any passenger steamer.
Operating instructions in clear and permanent lettering shall be affixed to every fixed fire smothering gas installation or in a position adjacent thereto.
Subject to subregulation (2), every fixed foam fire extinguishing installation fitted in compliance with these regulations other than the deck foam system specified in regulation 67 shall be capable of discharging through fixed discharge outlets in not more than 5 minutes, a quantity of foam sufficient to cover to a depth of 150 millimetres the largest single area over which oil fuel is liable to spread. Such installation shall be capable of generating foam suitable for extinguishing oil fires and shall include means for the effective distribution of the foam through a permanent system of piping and control valves or cocks to discharge outlets and fixed sprayers directing the foam on to oil fire hazards in the protected space and which shall be capable of being operated either simultaneously or separately. Such installation shall include mobile sprayers ready for immediate use in the firing area of the boiler and in the vicinity of the oil-fuel unit.
Every fixed foam fire extinguishing installation fitted to meet the requirements of regulation 49(3) for the protection of the cargo oil tanks shall be capable of distributing on the decks over such tanks through fixed discharge outlets in not more than 15 minutes a quantity of foam sufficient to cover to a depth of at least 50 millimetres the whole of the tank deck area. Such installation shall be capable of generating foam suitable for extinguishing oil fires and shall include means for the effective distribution of the foam through a permanent system of piping and control valves or cocks to discharge outlets. There shall be sufficient mobile foam sprayers capable of being connected to the installation whereby foam can be directed into any tank.
For the purpose of this subregulation, tank deck area (液艙甲板面積) means an area equivalent to the extreme length of the cargo tanks multiplied by the breadth of the ship.
Every fixed foam fire extinguishing installation herein before referred to shall be so arranged that a fire in any of the spaces it protects will not render the controls inaccessible nor put the installation out of action.
Operating instructions in clear and permanent lettering shall be affixed to every fixed foam fire extinguishing installation or in a position adjacent thereto.
Every fixed deck foam system fitted in accordance with regulation 49(1) or (2) shall comply with the following subregulations.
The arrangements for providing foam shall be capable of delivering foam to the entire cargo tank area as well as into any cargo tank, the deck of which has been ruptured.
The deck foam system shall be capable of simple and rapid operation: the main control station for the system shall be suitably located outside the cargo tank area, adjacent to the accommodation spaces and readily accessible and operable in the event of fire in the areas protected.
The rate of supply of foam solution shall be not less than the greater of the following—
0.6 litre per minute per square metre of the cargo deck area, where cargo deck area means the maximum breadth of the ship times the total longitudinal extent of the cargo tank spaces; or
6 litres per minute per square metre of the horizontal sectional area of the single tank having the largest such area.
Sufficient foam concentrate shall be supplied to ensure at least 20 minutes of foam generation when using solution rates stipulated in subregulation (4)(a) or (b) whichever is the greater. The foam expansion ratio (being the ratio of the volume of foam produced to the volume of the mixture of water and foam making concentrate supplied) shall not exceed 12 to 1; provided that where systems essentially produce low expansion foam but at an expansion ratio slightly in excess of 12 to 1 the quantity of foam solution available shall be calculated as for 12 to 1 expansion ratio systems.
Foam from the fixed foam system shall be supplied by means of monitors and foam applicators. Each monitor shall be capable of supplying at least 50% of the required foam rate.
The number and position of monitors shall be such as to comply with subregulation (2). The capacity of any monitor in litres per minute of foam solution shall be at least 3 times the deck area in square metres protected by that monitor, such area being entirely forward of the monitor. The distance from the monitor to the farthest extremity of the protected area forward of that monitor shall not be more than 75% of the monitor throw in still air conditions.
A monitor and hose connection for a foam applicator shall be situated both port and starboard at the poop front or accommodation spaces facing the cargo deck. Applicators shall be provided for flexibility of action during fire-fighting operations and to cover areas screened from the monitors.
Valves shall be provided in both the foam main and the fire main immediately forward of every monitor position to isolate damaged sections of these mains.
Operation of a deck foam system at its required output shall permit the simultaneous use of the minimum required number of jets of water at the required pressure from the fire main.
Every fire detection system fitted in compliance with these regulations shall be capable of automatically indicating the presence or indication of fire and its location. The indicators shall be centralized either on the navigating bridge or at other control stations provided with direct communication with the navigating bridge, provided that the Director may in any ship permit the indicators to be distributed among several stations if he is satisfied that such arrangements are at least as effective as centralized indicators.
As regards a passenger ship, electrical equipment used in the operation of any fire detection system fitted in compliance with these regulations shall be capable of being supplied from 2 sources of electric power one of which shall be the emergency source of power required by regulation 101 of the Merchant Shipping (Safety) (Passenger Ship Construction) (Ships Built Before 1 September 1984) Regulations (Cap. 369 sub. leg. AL). (E.R. 4 of 2023)
The indicating system of any fire detection system fitted in compliance with these regulations shall operate both audible and visible alarms at the stations referred to in subregulation (1).
Every fireman’s outfit carried in compliance with these regulations shall consist of—
a breathing apparatus complying with the requirements specified in Schedule 5;
a portable self-contained electric battery-operated safety lamp capable of functioning efficiently for a period of at least 3 hours;
a fireman’s axe;
protective clothing of material suitable to protect the skin from the heat radiating from the fire and from burns and scalding by steam, the outer surface of which shall be water-resistant;
boots and gloves of rubber or other electrically non-conducting material; and
a rigid helmet providing effective protection against impact.
Where more than one fireman’s outfit is provided they shall be kept in readily accessible and widely separated positions which are not likely to be cut off in the event of fire.
In every ship to which these regulations apply means shall be provided for stopping ventilating fans serving machinery, accommodation and cargo spaces. Means shall be provided for closing all skylights, doorways, ventilators, and other openings to such spaces including annular spaces around funnels. Such means shall be capable of being operated from positions which are outside such spaces and which would not be made inaccessible by a fire within such spaces.
In every ship to which these regulations apply any machinery driving forced and induced draught fans, oil fuel transfer pumps, oil-fuel unit pumps and other similar fuel pumps shall be fitted with remote controls situated outside the spaces in which such machinery or pumps are situated. Such controls shall be capable of stopping such machinery or pumps in the event of fire in the said spaces.
In every ship to which these regulations apply every pipe connected to any oil fuel storage, settling, or daily service tank, not being a double bottom tank, which if damaged would permit discharge of the contents so as to cause a fire hazard shall be fitted with a valve or cock which shall be secured to the tank to which it is connected. Such valve or cock shall be capable of being closed from a readily accessible position outside the space in which the tank is situated, provided that where the pipe is an inlet pipe a non-return valve similarly secured to the tank may be substituted. In the case of an oil fuel deep tank traversed by any shaft of pipe tunnel, a valve shall be fitted on the tank but an additional valve or valves may be fitted on the pipe line or lines outside the tunnel or tunnels to enable control to be exercised in the event of fire.
On any helicopter landing area on a ship to which these regulations apply there shall be provided and stored adjacent to the means of access to that area—
dry powder extinguishers of total capacity not less than 45 kilograms;
a foam application system consisting of monitors or foam making branch pipes capable of delivering foam solution at a rate of not less than 6 litres per minute per square metre of the area contained within a circle of diameter D metres for not less than 5 minutes, where D is the distance across the main rotor and tail rotor in the fore and aft line of a helicopter with a single-main rotor, and across both rotors for a tandem-main rotor helicopter: except that where a ship is provided with foam arrangements in compliance with either regulation 49(1), (4) or (5) and where it is practicable for such arrangements to be used for the protection of the helicopter landing area, this requirement need not be complied with; and
carbon dioxide extinguishers of total capacity of not less than 16 kilograms, which shall be provided with fittings so as to enable them to be applied to the engine area of any helicopter using the landing area.
As regards a helicopter landing area mentioned subregulation (1), the arrangement of water service pipes, hydrants, hoses and nozzles shall be such that at least 2 jets of water can reach any part of the area and, where helicopter refuelling facilities are provided, any part of the fuel storage tanks and associated pumps and piping.
All nozzles provided in accordance with subregulation (2) shall be of dual purpose spray/jet type.
In every ship to which these regulations apply which is provided with helicopter refuelling facilities, at least 2 portable extinguishers suitable for fighting oil fires shall be provided in addition to any other portable fire extinguisher required by these regulations. Such extinguishers shall be kept in a position adjacent to the fuel storage tanks and associated pumps and piping.
In every ship of Class I or Class II, and in every ship of Class II(A) of 21.34 metres in length or over, there shall be permanently exhibited for the guidance of the master and officers of the ship general arrangement plans showing clearly for each deck the position of the control stations, the sections of the ship which are enclosed by fire resisting bulkheads, the sections of the ship which are enclosed by fire retarding bulkheads, together with particulars of the fire alarms, fire detection systems, the sprinkler installations, the fixed and portable fire extinguishing appliances and firemen’s outfits, the means of access to the various compartments and adjoining decks, the ventilating system including particulars of the master fan controls, the position of dampers and identification numbers of the ventilating fans serving each section of the ship, the location of the international shore connection and the position of all means of control referred to in regulation 70.
In every ship to which these regulations apply of 500 tons or over, other than one to which subregulation (1) applies, there shall be permanently exhibited for the guidance of the master and officers of the ship general arrangement plans showing clearly all the information referred to in subregulation (1) which is applicable to the ship.
The general arrangement plans required by this regulation shall be kept up to date, any alterations being recorded thereon without delay.
A duplicate set of the general arrangement plans referred to in subregulation (3) shall be permanently stored in a prominently marked weathertight enclosure outside the deck house for the assistance of shore-side fire-fighting personnel.
In ships to which subregulation (1) or (2) applies, instructions concerning the maintenance and operation of all the equipment and installations on board for fire-fighting and containment of the fire shall be kept in one book readily available in an accessible position.
Fire-fighting appliances carried in any ship to which these regulations apply shall be maintained in good order and shall be kept available for immediate use at all times. All movable fire-fighting appliances, other than firemen’s outfits, shall be stowed where they will be readily accessible from the spaces in which they are intended to be used, and, in particular, one of the portable fire extinguishers intended for use in any space shall be stowed near the entrance to that space.
Where these regulations require that a particular fitting, material, appliance or apparatus, or type thereof, shall be fitted or carried in a ship, or that any particular provision shall be made, the Director may allow any other fitting, material, appliance or apparatus, or type thereof, to be fitted or carried, or any other provision to be made in that ship, if he is satisfied that that such other fitting, material, appliance or apparatus, or type thereof, or provision, is at least as effective as that required by these regulations.
The Director may grant exemptions from all or any of the provisions of these regulations (as may be specified in the exemption) for classes of cases or individual cases on such terms (if any) as he may so specify and may, subject to giving reasonable notice, alter or cancel such exemption.
Every ship of a class mentioned in regulation 2(1) the keel of which was laid before 26 May 1965 shall be exempt from the provisions of these regulations to the extent and subject to the conditions specified in paragraph (1) of Schedule 7. (E.R. 4 of 2023)
If regulation 3(5) or (6)(a), (b), (d) or (f), 10, 12(3), 35, 38(7), 41(9), 44(2) (in so far as it relates to the provision of fireman’s outfit), 52 or 69 is contravened, the owner and the master of the ship concerned each commits an offence and is liable to a fine at level 4 and to imprisonment for 2 years.
Regulations 3 (except subregulations (5) and (6)(a), (b), (d) and (f)), 4, 5, 6, 7, 8, 9, 9A, 11, 12 (except subregulation (3)), 13, 14, 15, 16, 29, 30, 31, 32, 33, 34, 34A, 36, 37, 38 (except subregulation (7)), 39, 40, 41 (except subregulation (9)), 42, 43, 44 (except subregulation (2) in so far as it relates to the provision of fireman’s outfit), 45, 47, 48, 49, 50, 51, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 64, 65, 66, 67, 68, 70, 71, 72 and 73 are fire-fighting appliances regulations for the purposes of section 44 of the Ordinance.
Every fixed inert gas system provided in accordance with regulation 48(1) or (4) shall comply with the following requirements except that the requirements of subparagraphs (h), (i)(ii), (j)(ii), (j)(vii), (j)(ix), (k)(iii), (k)(iv) and (m)(iii)(B), and (s)(viii)(2) need not apply to inert gas systems fitted before 1 June 1981. (L.N. 411 of 1995)
The inert gas system shall be designed, constructed and tested to the satisfaction of the Director. It shall be designed and operated so as to render and maintain the atmosphere of the cargo tanks including the slop tanks non-flammable at all times, except where such tanks are to be gas free; and
in the event that the inert gas system becomes unable to meet the operational requirements set out above and it has been assessed that it is impractical to effect a repair, then cargo discharge, deballasting and necessary tank cleaning shall only be resumed when the “emergency procedures” laid down in the Guidelines for Inert Gas Systems are complied with. (E.R. 4 of 2023)
The system shall be capable of—
inerting empty cargo tanks including slop tanks by reducing the oxygen content of the atmosphere in each tank to a level at which combustion cannot be supported;
maintaining the atmosphere in any part of any cargo tank or slop tank at an oxygen content not exceeding 8% by volume and at a positive pressure at all times both in port and at sea except when it is necessary for such a tank to be gas free;
eliminating the need for air to enter a tank during normal operations except when it is necessary for such a tank to be gas free; and
purging empty cargo tanks including slop tanks of hydrocarbon vapour, so that subsequent gas freeing operations will at no time create a flammable atmosphere within the tank.
The system shall be capable of delivering inert gas to the cargo tanks and slop tanks at a rate of at least 125% of the maximum rate of discharge capacity of the ship, expressed as a volume; and
the oxygen content of the inert gas main shall not normally exceed 5% by volume.
The inert gas supply may be treated flue gas from the main or auxiliary boilers, from one or more separate gas generators or other sources or from any combination thereof. The Director may approve for the purposes of these regulations systems using inert gases other than flue gas, provided he is satisfied that an equivalent standard of safety is achieved. Systems using stored carbon dioxide shall not be permitted unless the Director is satisfied that the risk of ignition from generation of static electricity by the system itself is minimized.
Flue gas isolating valves shall be fitted in the inert gas supply mains between the boiler uptakes and the flue gas scrubber. These valves shall be provided with indicators to show whether they are open or shut, and precautions shall be taken to maintain them gas-tight and keep the seating clear of soot. Arrangements shall be made so that boiler soot blowers cannot be operated when the corresponding flue gas valve is open.
A flue gas scrubber shall be fitted which will effectively cool the volume of gas specified in subparagraph (c) and remove solids and sulphur combustion products. The cooling water arrangements shall be such that an adequate supply of water will always be available without interfering with any essential services on the ship. Provision shall also be made for an alternative supply of cooling water; and
filters or equivalent devices shall be fitted to minimize the amount of water carried over to the inert gas blowers.
At least 2 inert gas blowers shall be fitted which together shall be capable of delivering to the cargo tanks and slop tanks, at least the volume of gas required by subparagraph (c). In a system provided with a gas generator, the Director may permit only 1 blower if that system is capable of delivering the total volume of gas required by subparagraph (c) to the protected cargo tanks, provided that sufficient spares for the blower and its prime mover are carried on board to enable any failure of the blower and its prime mover to be rectified by the ship’s crew;
2 fuel oil pumps shall be fitted to the inert gas generator. The Director may permit only 1 fuel oil pump provided that sufficient spares for the fuel oil pump and its prime mover are carried on board to enable any failure of the fuel oil pump and its prime mover to be rectified by the ship’s crew;
the inert gas system shall be so designed that the maximum pressure which it can exert on any cargo tank or slop tank will not exceed the test pressure of any such tank. Suitable shut-off arrangements shall be provided on the suction and discharge connections of each blower. Arrangements shall be provided to enable the functioning of the inert gas plant to be stabilized before commencing cargo discharge. If the blowers are to be used for gas freeing, their air inlets shall be provided with blanking arrangements.
The design and location of scrubber and blowers with relevant piping and fittings shall be such as to prevent flue gas leakages into enclosed spaces;
to permit safe maintenance an additional water seal or other effective means of preventing flue gas leakage shall be fitted between the flue gas isolating valves and scrubber or incorporated in the gas entry to the scrubber.
A gas regulating valve shall be fitted in the inert gas supply main. This valve shall be automatically controlled to close as required in subparagraph (s)(iii) and (iv). It shall also be capable of automatically regulating the flow of inert gas to the cargo tanks and slop tanks unless means are provided to control automatically the speed of the inert gas blowers required in subparagraph (g);
the valve referred to in sub-subparagraph (i) shall be located at the forward bulkhead of the most forward gas safe space through which the inert gas supply main passes.
At least 2 non-return devices, one of which shall be a water seal, shall be fitted in the inert gas supply main, in order to prevent the return of hydrocarbon vapour to the machinery spaces uptakes or to any gas safe spaces under all normal conditions of trim, list and motion of the ship. They shall be located between the automatic valve required by subparagraph (i) and the aftermost connection to any cargo tank or cargo pipeline;
the devices referred to in this paragraph shall be located in the cargo area on deck;
the water seal referred to in sub-subparagraph (i) shall be capable of being supplied by 2 separate pumps, each of which shall be capable of maintaining an adequate supply at all times;
the arrangement of the seal and its associated provisions shall be such that it will prevent back-flow of hydrocarbon vapours and will ensure the proper functioning of the seal under operating conditions;
provision shall be made to ensure that the water seal is protected against freezing, in such a way that the integrity of the seal is not impaired by overheating;
a water loop or other arrangement approved for the purposes of these regulations by the Director shall also be fitted to all associated water supply and drain piping and all venting or pressure sensing piping leading to gas safe spaces. Means shall be provided to prevent such loops from being emptied by vacuum;
the deck water seal and all loop arrangements shall be capable of preventing return of hydrocarbon vapours at a pressure equal to the test pressure of the cargo tanks;
the second non-return device mentioned in sub-subparagraph (i) shall be a non-return valve or equivalent capable of preventing the return of vapours or liquids or both and fitted forward of the deck water seal required by sub-subparagraph (i). It shall be provided with either positive means of closure or an additional valve having such means of closure located forward of the non-return valve to isolate the deck water seal from the inert gas main to the cargo tanks and slop tanks;
as an additional safeguard against the possible leakage of hydrocarbon liquids or vapours back from the deck main, means shall be provided to permit the section of the line between the valve having positive means of closure referred to in sub-subparagraph (viii), and the valve referred to in subparagraph (i) to be vented in a safe manner when the first of these valves is closed.
The inert gas main may be divided into 2 or more branches forward of the non-return devices required by subparagraph (j);
the inert gas supply main shall be fitted with branch piping leading to each cargo tank and slop tank. Branch piping for inert gas shall be fitted with either stop valves or equivalent means of control for isolating each tank. Where stop valves are fitted, they shall be provided with locking arrangements, which shall be under the control of a responsible ship’s officer;
in combination carriers, the arrangements to isolate the slop tanks containing oil or oil residues from other tanks shall consist of blank flanges which will remain in position at all times when cargoes other than oil are being carried except as provided for in the relevant section of the Guidelines for Inert Gas Systems; (E.R. 4 of 2023)
means shall be provided to protect cargo tanks and slop tanks against the effect of over-pressure or vacuum caused by thermal variations when such tanks are isolated from the inert gas main;
piping systems shall be so designed as to prevent the accumulation of cargo or water in the pipelines under all normal conditions;
suitable arrangements shall be provided to enable the inert gas main to be connected to an external supply of inert gas.
The arrangements for the venting of all vapours displaced from the cargo tanks during loading or ballasting shall comply with regulation 70(3) of the Merchant Shipping (Safety) (Cargo Ship Construction and Survey) (Ships Built Before 1 September 1984) Regulations (Cap. 369 sub. leg. R) and shall consist of either one or more mast risers, or a number of high velocity vents. The inert gas supply main may be used for such venting. (E.R. 4 of 2023)
The arrangements for inerting, purging or gas freeing of empty tanks as required by subparagraph (b) shall in addition be approved for the purposes of this Schedule by the Director and shall be such that the accumulation of hydrocarbon vapours in pockets formed by the internal structural members in a tank is minimized and that—
on individual cargo tanks or slop tanks the gas outlet pipe, if fitted, shall be positioned as far as practicable from the inert gas/air inlet and in accordance with regulation 70(3) of the Merchant Shipping (Safety) (Cargo Ship Construction and Survey) (Ships Built Before 1 September 1984) Regulations (Cap. 369 sub. leg. R). The inlet of such outlet pipes may be located at either deck level or at not more than 1 metre above the bottom of the tank; (E.R. 4 of 2023)
each gas outlet referred to in sub-subparagraph (i) shall be fitted with suitable blanking arrangements; and
if a connection is fitted between the inert gas supply main and the cargo piping system, arrangements shall be made to ensure an effective isolation having regard to the high pressure difference which may exist between the systems; this shall consist of 2 shut-off valves with an arrangement to vent the space between the valves in a safe manner or an arrangement consisting of a spool-piece with associated blanks;
the valve separating the inert gas supply main from the cargo main and which is on the cargo main side shall be a non-return valve with a positive means of closure.
One or more pressure-vacuum breaking devices shall be provided to prevent the cargo tanks from being subject to—
a positive pressure in excess of the test pressure of the cargo tank if the cargo were to be loaded at the maximum rated capacity and all other outlets were left shut; and
a negative pressure in excess of 700 millimetres water gauge, if cargo were to be discharged at the maximum rated capacity of the cargo pumps and the inert gas blower were to fail,
such devices shall be installed on the inert gas main unless they are installed in the venting system required by regulation 12 of the Merchant Shipping (Safety) (Cargo Ship Construction and Survey) (Ships Built On or After 1 September 1984) Regulations (Cap. 369 sub. leg. S) or on individual cargo tanks;
the location and design of the devices referred to above shall be in accordance with regulation 70(3) of the Merchant Shipping (Safety) (Cargo Ship Construction and Survey) (Ships Built Before 1 September 1984) Regulations (Cap. 369 sub. leg. R). (E.R. 4 of 2023)
Means shall be provided for continuously indicating the temperature and pressure of the inert gas at the discharge side of the gas blowers, whenever those gas blowers are operating.
Instrumentation shall be fitted for continuously indicating and permanently recording when the inert gas is being supplied—
the pressure of the inert gas supply main forward of the non-return devices required by subparagraph (j)(i); and
the oxygen content of the inert gas in the inert gas supply main on the discharge side of the gas blowers;
the devices referred to in sub-subparagraph (i) shall be placed in the cargo control room where provided. Where no cargo control room is provided, they shall be placed in a position easily accessible to the officer in charge of cargo operations;
in addition, meters shall be fitted—
in the navigating bridge, to indicate at all times the pressure referred to in sub-subparagraph (i)(A) and the pressure in the slop tanks of combination carriers, whenever those tanks are isolated from the inert gas supply main; and
in the machinery control room or in the machinery space, to indicate the oxygen content referred to in sub-subparagraph (i)(B).
Portable instruments for measuring oxygen and flammable vapour concentration shall be provided. In addition, suitable arrangements shall be made on each cargo tank and slop tank such that the condition of the tank atmosphere can be determined using these portable instruments.
Suitable means shall be provided for the zero and span calibration of both fixed and portable gas concentration measurement instruments referred to in subparagraph (p) or (q).
Audible and visual alarms shall be provided to indicate—
low water pressure or low water flow rate to the flue gas scrubber referred to in subparagraph (f)(i);
high water level in the flue gas scrubber referred to in subparagraph (f)(i);
high gas temperature referred to in subparagraph (o);
failure of any of the inert gas blowers referred to in subparagraph (g);
oxygen content referred to in subparagraph (p)(i)(B) in excess of 8% by volume;
failure of the power supply to the automatic control system for the gas regulating valve and to the indicating devices referred to in subparagraphs (i) and (p)(i) respectively; (E.R. 4 of 2023)
low water level in the water seal referred to in subparagraph (j)(i);
gas pressure as referred to in subparagraph (p)(i)(A) when less than 100 millimetres water gauge; the alarm arrangement for this gas pressure shall be such as to ensure that the pressure in slop tanks in combination carriers can be monitored at all times; and
high gas pressure referred to in subparagraph (p)(i)(A);
in the system with gas generators, audible and visual alarms shall be provided in accordance with sub-subparagraphs (i)(A), (i)(C) and (i)(E) to (i)(I) and additional alarms to indicate—
insufficient fuel oil supply;
failure of the power supply to the generator; and
failure of the power supply to the automatic control system for the generator;
automatic shutdown of the inert gas blowers and gas regulating valve shall be arranged to operate on system designed limits being reached in respect of a pressure, flow rate, level or temperature mentioned in sub-subparagraph (i)(A), (i)(B) or (i)(C); (E.R. 4 of 2023)
automatic shutdown of the gas regulating valve shall be arranged to operate on failure of the inert gas blowers referred to in subparagraph (g); (E.R. 4 of 2023)
in relation to sub-subparagraph (i)(E) when the oxygen content of the inert gas exceeds 8%, immediate action shall be taken to reduce the oxygen level. Unless the quality of gas improves, all in-tank operations shall be suspended so as to avoid air being drawn into the tanks and the isolation valve referred to in subparagraph (j)(viii) shall be closed;
the alarms required by sub-subparagraph (i)(E), (i)(F) or (i)(H) shall be fitted in the machinery space and cargo control room, where provided, but in the event in such a position that they are immediately received by responsible members of the crew;
in relation to the water seal mentioned in sub-subparagraph (i)(G) arrangements shall be made to the satisfaction of the Director for the maintenance of an adequate reserve of water at all times and the integrity of the arrangements to permit the automatic formation of the water seal when the gas flow ceases. The audible and visual alarm on the low level of water in the water seal shall operate when the inert gas is not being supplied;
an audible alarm system, independent of that required by sub-subparagraph (i)(H) or automatic shutdown of cargo pumps shall be provided to operate on the system designed limit of low pressure in the inert gas main being reached. (E.R. 4 of 2023)
A detailed instruction manual for any inert gas system fitted in compliance with this Schedule shall be provided on board by the owner. The manual shall cover the operational safety and maintenance requirements and occupational health hazards relevant to the inert gas system and its application to the cargo tank system. In addition the manual shall include guidance on procedures to be followed in the event of a fault or failure of the inert gas system as described in the Guidelines for Inert Gas Systems.
Every inert gas system provided in accordance with regulation 48(2A)(a) shall be designed, constructed and tested to the satisfaction of the Director and shall comply with the following requirements.
In this Schedule a reference to a cargo tank includes a reference to a slop tank containing cargo residues.
The system shall be capable of—
inerting empty cargo tanks by reducing the oxygen content of the atmosphere in each tank to a level at which combustion cannot be supported;
maintaining the atmosphere, in all parts of each cargo tank designated to carry flammable products requiring protection by an inert gas system, with an oxygen content not exceeding 8% by volume and at a positive pressure at all times in port and at sea except when it is necessary for such a tank to be gas-free;
eliminating the need for air to enter a tank during normal operations except when it is necessary for such a tank to be gas-free;
purging empty cargo tanks of flammable vapour so that subsequent gas-freeing operations will at no time create a flammable atmosphere within the tanks.
The system shall be capable of delivering inert gas to the cargo tanks at a rate of at least 125% of the maximum rate of discharge capacity of the ship expressed as a volume. The Director may accept an inert gas system having a lower delivery capacity provided that the maximum rate of discharge of cargoes from cargo tanks being protected by the system is restricted to 80% of the inert gas capacity.
The system shall be capable of delivering inert gas with an oxygen content of not more than 5% by volume in the inert gas supply main to the cargo tanks at any required rate of flow.
Suitable fuel in sufficient quantity shall be provided for the inert gas generators.
The inert gas generators shall be located outside the cargo tank area as defined in the Code for the Construction and Equipment of Ships Carrying Dangerous Chemicals in Bulk. Spaces containing inert gas generators shall have no direct access to accommodation, service or control station spaces but may be located in machinery spaces. If they are not located in machinery spaces, they shall be located in a compartment reserved solely for their use. Such a compartment shall be separated by a gastight steel bulkhead or deck from accommodation, service and control station spaces. Adequate positive-pressure-type mechanical ventilation shall be provided for such a compartment. Access to such compartments located aft shall be only from an open deck outside the cargo tank area. Access shall be located on the end bulkhead not facing the cargo area or on the outboard side of the superstructure or deckhouse at a distance of at least 25% of the length of the ship but not less than 5 metres from the end of the superstructure or deckhouse facing the cargo area. In the case of such a compartment being located in the forecastle, access shall be through the deckhead forward of the cargo area.
Inert gas piping systems shall not pass through accommodation, service and control station spaces.
Means shall be provided which will effectively cool the volume of gas specified by paragraph (3) and remove solids and sulphur combustion products. The cooling water arrangements shall be such that an adequate supply of water will always be available without interfering with any essential services on the ship. Provision shall also be made for an alternative supply of cooling water.
Filters or equivalent devices shall be fitted to minimize the amount of water carried over to the inert gas main.
Two air blowers shall be fitted to each inert gas generator, which together shall be capable of delivering to the cargo tanks required to be protected by the system at least the volume of gas required by paragraph (3). The Director may permit only one blower if it is capable of delivering to the protected cargo tanks the total volume of gas required by paragraph (3), provided that sufficient spares for the air blower and its prime movers are carried on board to enable any failure of the air blower and its prime mover to be rectified.
The inert gas system shall be so designed that the maximum pressure which it can exert on any cargo tank will not exceed the test pressure of that tank.
Where more than one inert gas generator is provided, suitable shut-off arrangements shall be provided on the discharge outlet of each generator plant.
Arrangements shall be made to vent the inert gas to the atmosphere in case the inert gas produced is sub-standard, e.g. during starting-up or in the case of equipment failure.
Where inert gas generators are served by positive displacement blowers, a pressure relief device shall be provided to prevent excess pressure being developed on the discharge side of the blower.
Two fuel oil pumps shall be fitted to each inert gas generator. The Director may permit only one fuel oil pump on condition that sufficient spares for the fuel oil pump and its prime mover are carried on board to enable any failure of the fuel oil pump and its prime mover to be rectified by the ship’s crew.
A gas-regulating valve shall be fitted in the inert gas supply main. This valve shall be automatically controlled to close as required by paragraph (17)(b) and (c). It shall also be capable of automatically regulating the flow of inert gas to the cargo tanks unless other means are provided to control automatically the inert gas flow rate.
At least 2 non-return devices, one of which shall be a water seal, shall be fitted in the inert gas supply main in order to prevent the return of flammable vapour to the inert gas generator and to any gas-safe space under all normal conditions of trim, list and motion of the ship. They shall be located between the automatic valve required by paragraph (8) and the first connection to any cargo tank or cargo pipeline. The Director may permit an alternative arrangement or device providing a measure of safety equivalent to that of a water seal.
The devices referred to in subparagraph (a) shall be located in the cargo tank area on deck.
The water seal referred to in subparagraph (a) shall be capable of being supplied by 2 separate pumps, each of which shall be capable of maintaining an adequate supply at all times.
The arrangement of the water seal and its associated provisions shall be such that it will prevent back flow of flammable vapours and will ensure the proper functioning of the water seal under operating conditions.
Provision shall be made to ensure that any water seal is protected against freezing, in such a way that the integrity of the water seal is not impaired by overheating.
A water loop or other approved arrangement shall also be fitted to all associated water supply and drain piping and to all venting or pressure-sensing piping leading to gas-safe spaces. Means shall be provided to prevent such loops from being emptied by vacuum.
Any water seal or equivalent device and all loop arrangements shall be capable of preventing the return of flammable vapours to an inert gas generator at a pressure equal to the test pressure of the cargo tanks.
The second device shall be a non-return valve or equivalent capable of preventing the return of vapours or liquids or both and fitted between the water seal or the equivalent device required by subparagraph (a) and the first connection from the inert gas main to a cargo tank. It shall be provided with positive means of closure. As an alternative to positive means of closure, an additional valve having such means of closure may be provided between the non-return valve and the first connection to the cargo tanks to isolate the water seal or equivalent device.
As an additional safeguard against the possible leakage of flammable liquids or vapours back from the deck main, means shall be provided to permit the section of the line between the valve having positive means of closure referred to in subparagraph (h) and the valve referred to in paragraph (8) to be vented in a safe manner when the first of these valves is closed.
The inert gas main may be divided into 2 or more branches between the non-return devices required by paragraph (9) and the cargo tanks.
Inert gas supply mains shall be fitted with branch piping leading to each cargo tank designated for the carriage of flammable products required to be inerted by this Schedule. Each cargo tank containing or loading products not required to be inerted shall be separated from the inert gas main by—
removing spool pieces, valves or other pipe sections, and blanking the pipe ends; or
an arrangement of 2 spectacle flanges in series with provision for detecting leakage into the pipe between the 2 spectacle flanges.
Means shall be provided to protect cargo tanks against the effect of over pressure or vacuum caused by thermal variations when the tanks are isolated from the inert gas mains.
Piping systems shall be so designed as to prevent the accumulation of cargo or water in the pipelines under all normal conditions.
Suitable arrangements shall be provided to enable the inert gas main to be connected to an external supply of inert gas.
Unless the arrangements for venting of all vapours displaced from the cargo tanks during loading and ballasting comply with the requirements of the Code for the Construction and Equipment of Ships Carrying Dangerous Chemicals in Bulk for controlled venting, such arrangements shall comply with regulation 12 of the Merchant Shipping (Safety) (Cargo Ship Construction and Survey) (Ships Built On or After 1 September 1984) Regulations (Cap. 369 sub. leg. S) and shall consist either of one or more mast risers or of a number of high velocity vents. (E.R. 4 of 2023)
The arrangements for inerting, purging or gas-freeing of empty tanks as required by paragraph (2) shall be to the satisfaction of the Director and shall be such that the accumulation of hydrocarbon vapours in pockets formed by the internal structural members in a tank is minimized and that—
on individual cargo tanks the gas outlet pipe, if fitted, shall be positioned as far as practicable from the inert gas/air inlet and in accordance with regulation 12(5)(c) of the Merchant Shipping (Safety) (Cargo Ship Construction and Survey) (Ships Built On or After 1 September 1984) Regulations (Cap. 369 sub. leg. S). The inlet of such outlet pipes may be located either at deck level or at not more than 1 metre above the bottom of the tanks; (E.R. 4 of 2023)
the cross-sectional area of such gas outlet pipe referred to in subparagraph (a) shall be such that an exit velocity of at least 20 metres per second can be maintained when any 3 tanks are being simultaneously supplied with inert gas. Their outlets shall extend not less than 2 metres above deck level. When in accordance with paragraph (3) the Director permits a system designed to supply only 1 tank or 2 tanks simultaneously, the outlet pipes shall be sized such that an exit velocity in the outlet pipes of 20 metres per second can be maintained;
each gas outlet referred to in subparagraph (b) shall be fitted with suitable blanking arrangements.
Means shall be provided for continuously indicating the temperature and pressure of the inert gas at the discharge side of the system, whenever it is operating.
Instrumentation shall be fitted for continuously indicating and permanently recording, when the inert gas is being supplied—
the pressure of the inert gas supply mains between the non-return devices required by paragraph (9)(a) and the cargo tanks; and
the oxygen content of the inert gas in the inert gas supply main.
The devices referred to in subparagraph (a) shall be placed in the cargo control room where provided. Where no cargo control room is provided, they shall be placed in a position easily accessible to the officer in charge of cargo operations.
In addition, meters shall be fitted—
in the navigating bridge to indicate at all times the pressure referred to in subparagraph (a)(i); and
in the machinery control room or in the machinery space to indicate the oxygen content referred to in subparagraph (a)(ii).
Portable instruments for measuring oxygen and flammable vapour concentration shall be provided. In addition, suitable arrangements shall be made on each cargo tank such that the condition of the tank atmosphere can be determined using these portable instruments.
Suitable means shall be provided for the zero and span calibration of both fixed and portable gas concentration measurement instruments, referred to in paragraphs (14) and (15).
Audible and visual alarms shall be provided to indicate—
low water pressure or low water flow rate to the cooling and scrubbing arrangements referred to in paragraph (5)(a);
low fuel supply;
high gas temperature referred to in paragraph (13);
failure of the power supply to the inert gas generators;
oxygen content in excess of 8% by volume referred to in paragraph (14)(a)(ii);
failure of the power supply to the indicating devices referred to in paragraph (14)(a) and to the automatic control systems for the gas-regulating valve referred to in paragraph (8) and the inert gas generator;
low water level in the water seal referred to in paragraph (9);
gas pressure less than 100 millimetres water gauge referred to in paragraph (14)(a);
high gas pressure referred to in paragraph (14)(a)(i).
Automatic shutdown of the gas-regulating valve and of the fuel oil supply to the inert gas generator shall be arranged on predetermined limits being reached in respect of subparagraph (a)(i) and (iii).
Automatic shutdown of the gas-regulating valve shall be arranged in respect of subparagraph (a)(iv).
In respect of subparagraph (a)(v), when the oxygen content of the inert gas exceeds 8% by volume, immediate action shall be taken to improve the gas quality. Unless the quality of the inert gas improves, all operations in those tanks to which inert gas is being supplied shall be suspended so as to avoid air being drawn into the tanks. The deck isolation valve referred to in paragraph (9)(h) shall be closed, and the sub-standard gas shall be vented to atmosphere.
The alarms required by subparagraph (a)(v), (vi) and (viii) shall be fitted in the machinery space and cargo control room, where provided, but in each case in such a position that they are immediately received by responsible members of the crew. All other alarms required by this paragraph shall be audible to responsible members of the crew either as individual alarms or as a group alarm.
In respect of subparagraph (a)(vii) the Director shall be satisfied as to the maintenance of an adequate reserve of water at all times and the integrity of the arrangements to permit the automatic formation of the water seal when the gas flow ceases. The audible and visual alarm on the low level of water in the water seal shall operate when the inert gas is not being supplied.
An audible alarm system, independent of that required by subparagraph (a)(viii), or automatic shutdown of cargo pumps shall be provided to operate on predetermined limits of low pressure in the inert gas mains being reached.
Detailed instruction manuals shall be provided on board, covering the operations, safety and maintenance requirements and occupational health hazards relevant to the inert gas system and its application to the cargo tank system. The manuals shall include guidance on procedures to be followed in the event of a fault or failure of the inert gas system.
(Schedule 1A added L.N. 411 of 1995)
Every inert gas system provided in accordance with regulation 48(2A)(b) shall be designed, constructed and tested to the satisfaction of the Director and shall comply with the following requirements.
In this Schedule a reference to a cargo tank includes a reference to a slop tank containing oil residues.
The system shall be capable of—
inerting empty cargo tanks by reducing the oxygen content of the atmosphere in each tank to a level at which combustion cannot be supported;
maintaining the atmosphere in all parts of each cargo tank designated to carry flammable products requiring protection by an inert gas system with an oxygen content not exceeding 8% by volume and at a positive pressure at all times in port and at sea except when it is necessary for such a tank to be gas-free;
eliminating the need for air to enter a tank during normal operations except when it is necessary for such a tank to be gas-free;
purging empty cargo tank of flammable vapour so that subsequent gas-freeing operations will at no time create a flammable atmosphere within the tanks.
The system shall be capable of delivering inert gas to the cargo tanks at a rate of at least 125% of the maximum rate of discharge capacity of the ship expressed as a volume. The Director may accept an inert gas system having a lower delivery capacity provided that the maximum rate of discharge of cargoes from cargo tanks being protected by the system is restricted to 80% of the inert gas capacity.
The system shall be capable of delivering inert gas with an oxygen content of not more than 5% by volume in the inert gas supply main to the cargo tanks at any required rate of flow.
Suitable fuel in sufficient quantity shall be provided for the inert gas generators.
The inert gas generators shall be located outside the cargo tank area as defined in the Code for the Construction and Equipment of Ships Carrying Dangerous Chemicals in Bulk. Spaces containing inert gas generators shall have no direct access to accommodation, service or control station spaces but may be located in machinery spaces. If they are not located in machinery spaces, they shall be located in a compartment reserved solely for their use. Such a compartment shall be separated by a gastight steel bulkhead or deck from accommodation, service and control station spaces. Adequate positive-pressure-type mechanical ventilation shall be provided for such a compartment. Access to such compartments located aft shall be only from an open deck outside the cargo tank area. Access shall be located on the end bulkhead not facing the cargo area or on the outboard side of the superstructure or deckhouse at a distance of at least 25% of the length of the ship but not less than 5 metres from the end of the superstructure or deckhouse facing the cargo area. In the case of such a compartment being located in the forecastle, access shall be through the deckhead forward of the cargo area.
Inert gas piping systems shall not pass through accommodation, service and control station spaces.
Means shall be provided which will effectively cool the volume of gas specified by paragraph (3) and remove solids and sulphur combustion products. The cooling water arrangements shall be such that an adequate supply of water will always be available without interfering with any essential services on the ship. Provision shall also be made for an alternative supply of cooling water.
Filters or equivalent devices shall be fitted to minimize the amount of water carried over to the inert gas main.
Two air blowers shall be fitted to each inert gas generator, which together shall be capable of delivering to the cargo tanks required to be protected by the system at least the volume of gas required by paragraph (3). The Director may permit only one blower if it is capable of delivering to the protected cargo tanks the total volume of gas required by paragraph (3), provided that sufficient spares for the air blower and its prime mover are carried on board to enable any failure of the air blower and its prime mover to be rectified.
The inert gas system shall be so designed that the maximum pressure which it can exert on any cargo tank will not exceed the test pressure of that tank.
Where more than one inert gas generator is provided, suitable shut-off arrangements shall be provided on the discharge outlet of each generator plant.
Arrangements shall be made to vent the inert gas to the atmosphere in case the inert gas produced is sub-standard, e.g. during starting-up or in case of equipment failure.
Where inert gas generators are served by positive displacement blowers, a pressure relief device shall be provided to prevent excess pressure being developed on the discharge side of the blower.
Two fuel oil pumps shall be fitted to each inert gas generator. The Director may permit only one fuel oil pump on condition that sufficient spares for the fuel oil pump and its prime mover are carried on board to enable any failure of the fuel oil pump and its prime mover to be rectified by the ship’s crew.
A gas-regulating valve shall be fitted in the inert gas supply main. This valve shall be automatically controlled to close as required by paragraph (17)(b) and (c). It shall also be capable of automatically regulating the flow of inert gas to the cargo tanks unless other means are provided to control automatically the inert gas flow rate.
At least 2 non-return devices, one of which shall be a water seal, shall be fitted in the inert gas supply main in order to prevent the return of flammable vapour to the inert gas generator and to any gas-safe space under all normal conditions of trim, list and motion of the ship. They shall be located between the automatic valve required by paragraph (8) and the first connection to any cargo tank or cargo pipeline. The Director may permit an alternative arrangement or device providing a measure of safety equivalent to that of a water seal.
The devices referred to in subparagraph (a) shall be located in the cargo tank area on deck.
The water seal referred to in subparagraph (a) shall be capable of being supplied by 2 separate pumps, each of which shall be capable of maintaining an adequate supply at all times.
The arrangements of the water seal and its associated provisions shall be such that it will prevent back flow of flammable vapours and will ensure the proper functioning of the water seal under operating conditions.
Provision shall be made to ensure that any water seal is protected against freezing, in such a way that the integrity of the water seal is not impaired by overheating.
A water loop or other approved arrangement shall also be fitted to all associated water supply and drain piping and to all venting or pressure-sensing piping leading to gas-safe spaces. Means shall be provided to prevent such loops from being emptied by vacuum.
Any water seal or equivalent device and all loop arrangements shall be capable of preventing the return of flammable vapours to an inert gas generator at a pressure equal to the test pressure of the cargo tanks.
The second device shall be a non-return valve or equivalent capable of preventing the return of vapours or liquids or both and fitted between the water seal or the equivalent device required by subparagraph (a) and the first connection from the inert gas main to a cargo tank. It shall be provided with positive means of closure. As an alternative to positive means of closure an additional valve having such means of closure may be provided between the non-return valve and the first connection to the cargo tanks to isolate the water seal or equivalent device.
As an additional safeguard against the possible leakage of flammable liquids or vapours back from the deck main, means shall be provided to permit the section of the line between the valve having positive means of closure referred to in subparagraph (h) and the valve referred to in paragraph (8) to be vented in a safe manner when the first of these valves is closed.
The inert gas main may be divided into 2 or more branches between the non-return devices required by paragraph (9) and the cargo tanks.
Inert gas supply mains shall be fitted with branch piping leading to each cargo tank designated for the carriage of flammable products required to be inerted by this Schedule. Each cargo tank containing or loading products not required to be inerted shall be separated from the inert gas main by—
removing spool pieces, valves or other pipe sections, and blanking the pipe ends; or
an arrangement of 2 spectacle flanges in series with provision for detecting leakage into the pipe between the 2 spectacle flanges.
Means shall be provided to protect cargo tanks against the effect of over pressure or vacuum caused by thermal variations when the tanks are isolated from the inert gas mains.
Piping systems shall be so designed as to prevent the accumulation of cargo or water in the pipelines under all normal conditions.
Suitable arrangements shall be provided to enable the inert gas main to be connected to an external supply of inert gas.
Unless the arrangements for venting of all vapours displaced from the cargo tanks during loading and ballasting comply with the requirements of the Code for the Construction and Equipment of Ships Carrying Dangerous Chemicals in Bulk for controlled venting, such arrangements shall comply with regulation 70(3) of the Merchant Shipping (Safety) (Cargo Ship Construction and Survey) (Ships Built Before 1 September 1984) Regulations (Cap. 369 sub. leg. R) and shall consist either of one or more mast risers or of a number of high velocity vents. The inert gas supply mains shall not be used for such venting. (E.R. 4 of 2023)
The arrangements for inerting, purging or gas-freeing of empty tanks as required by paragraph (2) shall be to the satisfaction of the Director and shall be such that the accumulation of flammable vapours in pockets formed by the internal structural members in a tank is minimized.
When in accordance with paragraph (3) the Director permits a system designed to supply only one tank or 2 tanks simultaneously, the outlet pipes shall be sized such that an exit velocity in the outlet pipes of 20 metres per second can be maintained.
Means shall be provided for continuously indicating the temperature and pressure of the inert gas at the discharge side of the system, whenever it is operating.
Instrumentation shall be fitted for continuously indicating and permanently recording, when the inert gas is being supplied—
the pressure of the inert gas supply mains between the non-return devices required by paragraph (9)(a) and the cargo tanks; and
the oxygen content of the inert gas in the inert gas supply main.
The devices referred to in subparagraph (a) shall be placed in the cargo control room where provided. Where no cargo control room is provided, they shall be placed in a position easily accessible to the officer in charge of cargo operations.
In addition, meters shall be fitted—
in the navigating bridge to indicate at all times the pressure referred to in subparagraph (a)(i); and
in the machinery control room or in the machinery space to indicate the oxygen content referred to in subparagraph (a)(ii).
Portable instruments for measuring oxygen and flammable vapour concentration shall be provided. In addition, suitable arrangements shall be made on each cargo tank such that the condition of the tank atmosphere can be determined using these portable instruments.
Suitable means shall be provided for the zero and span calibration of both fixed and portable gas concentration measurement instruments, referred to in paragraphs (14) and (15).
Audible and visual alarms shall be provided to indicate—
low water pressure or low water flow rate to the cooling and scrubbing arrangements referred in paragraph (5)(a);
low fuel supply;
high gas temperature referred to in paragraph (13);
failure of the power supply to the inert gas generators;
oxygen content in excess of 8% by volume referred to in paragraph (14)(a)(ii);
failure of the power supply to the indicating devices referred to in paragraph (14)(a) and to the automatic control systems for the gas-regulating valve referred to in paragraph (8) and the inert gas generator;
low water level in the water seal referred to in paragraph (9)(a);
gas pressure less than 100 millimetres water gauge referred to in paragraph (14)(a);
high gas pressure referred to in paragraph (14)(a)(i).
Automatic shutdown of the gas-regulating valve and of the fuel oil supply to the inert gas generator shall be arranged on predetermined limits being reached in respect of subparagraph (a)(i) and (iii).
Automatic shutdown of the gas-regulating valve shall be arranged in respect of subparagraph (a)(iv). (E.R. 4 of 2023)
In respect of subparagraph (a)(v), when the oxygen content of the inert gas exceeds 8% by volume, immediate action shall be taken to improve the gas quality. Unless the quality of the inert gas improves all operations in those tanks to which inert gas is being supplied shall be suspended so as to avoid air being draw into the tanks. The deck isolation valve referred to in paragraph (9)(h) shall be closed, and the sub-standard gas shall be vented to atmosphere.
The alarms required by subparagraph (a)(v), (vi) and (viii) shall be fitted in the machinery space and cargo control room, where provided, but in each case in such a position that they are immediately received by responsible members of the crew. All other alarms required by this paragraph shall be audible to responsible members of the crew either as individual alarms or as a group alarm.
In respect of subparagraph (a)(vii), the Director shall be satisfied as to the maintenance of an adequate reserve of water at all times and the integrity of the arrangements to permit the automatic formation of the water seal when the gas flow ceases. The audible and visual alarm on the low level of water in the water seal shall operate when the inert gas is not being supplied.
An audible alarm system, independent of that required by subparagraph (a)(viii), or automatic shutdown of cargo pumps shall be provided to operate on predetermined limits of low pressure in the inert gas mains being reached.
Detailed instruction manuals shall be provided on board, covering the operations, safety and maintenance requirements and occupational health hazards relevant to the inert gas system and its application to the cargo tank system. The manuals shall include guidance on procedures to be followed in the event of a fault or failure of the inert gas system.
(Schedule 1B added L.N. 411 of 1995)
The international shore connection which is required by these regulations to be carried in the ship shall be in accordance with the following specification—
| Outside diameter: 178 millimetres |
| Inner diameter: 64 millimetres |
| Bolt circle diameter: 132 millimetres |
| Holes: 4 holes of 19 millimetres diameter equidistantly placed, slotted to the flange periphery |
| Flange thickness: 14.5 millimetres minimum |
| Bolts: 4, each of 16 millimetres diameter, 50 millimetres length with 8 washers |
| Flange surface (side not permanently attached as required by paragraph (2)): flat face (E.R. 4 of 2023) |
| Material: any suited to 10 bar (1.0 newton per square millimetre) service (E.R. 4 of 2023) |
| Gasket: any suited to 10 bar (1.0 newton per square millimetre) service (E.R. 4 of 2023) |
The international shore connection shall be permanently attached to a coupling which will fit the ship’s hydrants and hoses.
The gasket, bolts and washers referred to in paragraph (1) shall be kept aboard the ship together with the international shore connection.
Every foam fire extinguisher, other than a portable fire extinguisher, shall be so designed and constructed that the interior of the extinguisher can be examined.
The body of the extinguisher shall be cylindrical with ends which shall be dished outwards, without reverse flanging, to a radius not exceeding the diameter of the body. The body and ends shall be made of sheet steel which shall be tinned or lead-coated internally or they shall be provided with equivalent protection against corrosion internally. Every other part of the extinguisher shall, where necessary, be protected against corrosion.
The body of the extinguisher shall be welded or riveted. All riveted joints shall be soldered.
The body shall be provided with an opening for the introduction of an inner container. The opening shall be fitted with a cap of gunmetal or other suitable material, screwed with a continuous thread, through the side of which safety holes or slots shall be provided so that when the cap is being removed any pressure of gas remaining in the container may be released gradually should the discharge opening be choked. The cap joint shall be made with acid-resisting rubber, greased leather or other suitable material.
If the extinguisher is provided with an inner container, such container shall be adequately supported.
A reinforced discharge hose shall be provided, together with a nozzle, the area of which shall be such that, when the extinguisher is operated, the foam is projected in the case of an extinguisher of 136 litres capacity or over for a distance of 14 metres for a period of not less than 90 seconds, or for a distance of 10 metres for a period of not less than 60 seconds in the case of an extinguisher of less than 136 litres.
The charge and the air space above the level of the solution in the body shall be so regulated that the maximum pressure in the extinguisher when put into action, with all outlets closed, does not exceed 19.3 bar with the solution at a temperature of 38oC.
The extinguisher shall be capable of withstanding for a period of 5 minutes an internal pressure of 1.5 times the pressure in the extinguisher when put into action with all outlets closed, and in no event of less than 24 bar.
The outside of the extinguisher shall be clearly and permanently marked with—
the name of the maker or vendor of the extinguisher;
the capacity of the extinguisher;
the level of the solution, when the extinguisher is filled to its working capacity;
the pressure under which the extinguisher was tested;
instructions for operating the extinguisher; and
the year in which the extinguisher was manufactured.
Every carbon dioxide fire extinguisher, other than a portable fire extinguisher, shall be provided with cylinders constructed in accordance with any one of the following specifications of the British Standards Institution—
Number BS 401: 1931, BS 1287: 1946, BS 1288: 1946, or BS 5045 Part 1, (which supersedes those specifications), or BS 5396: 1976, or other equivalent standards acceptable to the Director. (E.R. 4 of 2023)
Each cylinder shall be provided with an internal discharge tube and a valve to release the gas.
The extinguisher shall be provided with a discharge hose which shall be reinforced so as to withstand a pressure of at least 122 bar when the necessary couplings are fitted. The bore of the discharge hose shall not be less than the sizes respectively set forth in the following table—
| Capacity of extinguisher | Minimum bore of discharge hose |
| 16 kilograms | 10 millimetres |
| 45 kilograms | 12 millimetres |
The discharge hose shall be provided with a horn which shall be of electrically non-conducting material and of a design which will reduce the velocity of the gas discharged. The metal part of the operating handle shall be suitably sheathed to protect the hands of the operator from extreme cold.
At any temperature between 15°C and 18°C inclusive, the extinguisher shall discharge gas at such a rate that carbon dioxide equal in weight to 75% of the capacity of the container will be discharged in the periods respectively set forth in the following table—
| Capacity of extinguisher | Period |
| 16 kilograms | 30 to 45 seconds |
| 45 kilograms | 60 to 90 seconds |
The outside of the extinguisher shall be clearly and permanently marked in accordance with Section Four of the specification of the British Standards Institution Number BS 3326: 1960, or BS 5423: 1980 (which supersedes that specification), or other equivalent standards acceptable to the Director.
Every breathing apparatus shall be either—
a smoke helmet or a smoke mask, in either case provided with an air pump or bellows and an air hose; or
a self-contained breathing apparatus.
Every smoke helmet or smoke mask shall be provided with a hose for the supply of air from the outside atmosphere. An air pump or bellows shall be provided which shall be suitable for pumping air through the hose. The hose shall be of the non-collapsing type and shall be sufficient in length to enable the air pump or bellows to be on the open deck in clean air well clear of any hatch or part of the accommodation, service, cargo or machinery spaces. Efficient couplings shall be provided if 2 or more lengths of hose are to be joined in order to reach such spaces. The air inlet to the pump or bellows shall be so protected as to ensure that the supply of air cannot be obstructed.
Every self-contained breathing apparatus shall be of the open circuit compressed air type and shall be of a type complying with the requirements of the Joint Testing Memorandum of the Health and Safety Executive, the Department of Transport and the Home Departments, or other equivalent standards acceptable to the Director.
The storage capacity of the compressed air cylinder or cylinders attached to the apparatus and carried by the wearer shall be at least 1,200 litres of free air. The storage cylinders shall be constructed of suitable material and shall be of efficient design and of sufficient strength to withstand with an adequate factor of safety the internal air pressure to which they may be subjected, and each cylinder shall be capable of withstanding a test by hydraulic pressure suitably in excess of the maximum working pressure.
Means shall be provided for the automatic regulation of the air supply to the wearer of the apparatus in accordance with his breathing requirements when he is breathing any volume of free air of up to 85 litres per minute at any time when the pressure in the supply cylinder or cylinders is above 10.5 kilograms per square centimetre. Means shall be provided for overriding the automatic air supply valve.
A pressure gauge with an anti-bursting orifice shall be incorporated in the high-pressure air supply system to enable the wearer to read directly and easily the pressure of air in the supply cylinder or cylinders.
Means shall be provided for warning the wearer audibly when 80% of the usable capacity of the apparatus has been consumed.
The maximum weight of any such apparatus shall not exceed 16 kilograms; excluding any lifeline and, if they do not form an integral part of the apparatus, any safety belt or harness.
Every self-contained breathing apparatus shall be provided with fully charged spare cylinders having a spare storage capacity of at least 2,400 litres of free air except that—
if the ship is carrying 5 sets or more of such apparatus the total spare storage capacity of free air shall not be required to exceed 9,600 litres; and
if the ship is equipped with means for re-charging the air cylinders to full pressure with air free from contamination, the spare storage capacity of the fully charged spare cylinders of each such apparatus shall be of at least 1,200 litres of free air, and the total spare storage capacity of free air provided in the ship shall not be required to exceed 4,800 litres.
A servicing and instructions manual shall be kept with each such apparatus.
Every breathing apparatus shall be constructed of materials having adequate mechanical strength, durability and resistance to deterioration by heat or by contact with water and such materials shall be resistant to fire and shall be resistant to penetration by smoke or chemical fumes likely to be encountered in service. The fabric used in the construction of any harness provided with such apparatus shall be resistant to shrinkage. Exposed metal parts of the apparatus, harness and fittings shall be of materials so far as practicable resistant to frictional sparking.
The following equipment shall be provided for use with each set of breathing apparatus—
a fire-proof life-and-signalling-line at least 3 metres longer than is required to reach from the open deck in clean air well clear of any hatch or doorway to any part of the accommodation, service, cargo or machinery spaces; the line shall be made of copper or galvanized steel wire rope having a breaking strength of at least 500 kilograms and shall be overlaid up to at least 32 millimetres in circumference by hemp or other covering to provide a surface which can be firmly gripped when wet;
an adjustable safety belt or harness to which such line shall be capable of being securely attached and detached by the wearer by means of a snap-hook;
means for protecting the eyes and face of the wearer against smoke;
plates of suitable non-flammable material bearing a clearly legible code of signals to be used between the wearer and his attendant, one of which shall be attached to the safety belt or harness and another attached to the free end of the life-line; and
for every apparatus other than a smoke helmet, a lightweight safety helmet with lining and adjustable head-band.
Every breathing apparatus shall be clearly marked with the name of the maker or vendor and the year of manufacture. Operating instructions in clear and permanent lettering shall be affixed to such apparatus.
Every portable foam applicator unit provided in compliance with these regulations shall be provided with—
an induction type of air-foam nozzle capable of being connected to the fire main by means of a fire hose;
a portable tank containing at least 20 litres of foam concentrate from which the nozzle specified in subparagraph (a) can induce the contents; and
a spare tank identical to that specified in subparagraph (b).
The nozzle shall be suitable for delivering foam solution (which is the mixture of water and foam concentrate) at the rate of at least 200 litres per minute.
The foam expansion ratio (which is the ratio of the volume of foam produced to the volume of foam solution) shall not exceed 12 to 1.
Ships of any class mentioned in regulation 2(1)
Except as provided in paragraphs (2), (3) and (4), every ship of a class mentioned in regulation 2(1) the keel of which was laid before 26 May 1965 shall be exempt from all the requirements of these regulations if and for so long as it complies with all the requirements of the Merchant Shipping (Fire Appliances) Rules 1952 (S.I. 1952/1950 U.K.) which would apply to it had those rules not been revoked.
Ships of the classes or descriptions specified in column 1 of the Annex hereto are not exempt from, and must comply with the provisions of these regulations specified in relation to them in column 2 of that Annex.
A ship to which regulation 31(1) applies (ships of Classes VII and VII(A)) which is carrying explosives is exempt from the requirement of that regulation to provide a fixed fire smothering installation if, and only if—
it duly complies with the prohibition imposed by regulation 57(1) on the use of steam for fire smothering purposes in compartments containing explosives; and
it is provided in such compartments with either—
an efficient temporary fire smothering gas installation; or
a system of perforated pipes so designed and fitted that water can be sprayed into the compartment at the rate of 5 litres per square metre per minute.
A ship to which regulation 57 applies (ships (other than passenger ships) carrying explosives) is exempt from the requirement of that regulation to provide a fire detection system if, and only if—
efficient means in the form of pipes or ventilators are provided in every compartment containing explosives and in every adjacent cargo compartment by which fire in any such compartment may readily be detected in other parts of the ship by sense of smell; and
that Standing Instructions to Ships’ Officers and Crew require the inspection of every such compartment at intervals of not more than 2 hours and that the making of every such inspection be recorded in the ship’s log together with the time at which it was made.
Annex to Schedule 7
| Column 1 | Column 2 | |
| (Class or description of Ship) | (Provisions of these regulations from which exemption is not given) | |
| Passenger ships of Class I or Class II or passenger ships of Class II(A) of 21.34 metres in length or over | Regulation 3(2) (training of fire patrol) | |
| Regulation 3(5) (response to fire alarm) | ||
| Regulation 4(8) (provision of dual purpose nozzles) | ||
| Regulation 5 (portable fire extinguishers in accommodation and service spaces, galleys, control stations, special category spaces and spaces containing motor vehicles) and regulation 62(2) to (10) | ||
| Regulation 10 (firemen’s outfits) and regulation 69 | ||
| Regulation 11 (international shore connection) and regulation 61 | ||
| Passenger ships of Class I or Class II or passenger ships of Class II(A) of 21.34 metres in length or over and carrying more than 36 passengers | Regulation 3(6) (special alarm and public address system) | |
| Regulation 4(5) (availability of water supply) | ||
| Ships of Class VII or Class VII(A) of 500 tons or over | Regulation 29(4)(b) (fire hoses) and regulation 60(1) to (3) | |
| Regulation 35 (firemen’s outfits) and regulation 69 | ||
| Regulation 36 (fire detection in machinery spaces when operating with unmanned machinery spaces) | ||
| Regulation 37 (international shore connection) and regulation 61 | ||
| Regulation 58(7) (availability of water supply when operating with unmanned machinery spaces) | ||
| Regulation 71 (additional requirements for ships with helicopter facilities) | ||
| Ships of Class VII or Class VII(A) of under 500 tons | Regulation 38(1)(d) in so far as it requires the provision of fire hoses, and regulation 60(1) to (3) | |
| Regulation 58(7) (availability of water supply when operating with unmanned machinery spaces) | ||
| Ships of Class VII(T), Class VIII(T), Class VIII(A)(T) or Class IX(A)(T) of 500 tons or over | Regulation 36 (fire detection in machinery spaces when operating with unmanned machinery spaces) | |
| Regulation 48 (requirements for inert gas systems) | ||
| Regulation 49 (requirements for deck foam systems) | ||
| Regulation 52 (firemen’s outfits) | ||
| Regulation 58(7) (availability of water supply when operating with unmanned machinery spaces) | ||
| Regulation 71 (additional requirements for ships with helicopter facilities) | ||
| Ships of Class VIII, Class VIII(A), Class IX, Class IX(A) or Class XI of 1,000 tons or over | Regulation 29(4)(b)(i) (fire hoses) and regulation 60(1) to (3) | |
| Regulation 35 (firemen’s outfits) and regulation 69 | ||
| Regulation 36 (fire detection in machinery spaces when operating with unmanned machinery spaces) | ||
| Regulation 37 (international shore connection) and regulation 61 | ||
| Regulation 58(7) (availability of water supply when operating with unmanned machinery spaces) | ||
| Regulation 71 (additional requirements for ships with helicopter facilities) | ||
| Ships of Class VIII, Class VIII(A), Class IX, Class IX(A) or Class XI of 500 tons or over but under 1,000 tons | Regulation 41(1)(e) (fire hoses) and regulation 60(1) to (3) | |
| Regulation 41(7) and (8) (fire extinguishers in machinery spaces containing internal combustion type machinery) and regulation 62 | ||
| Ships of Class VIII, Class VIII(A), Class IX, Class IX(A) or Class XI of 150 tons or over but under 500 tons | Regulation 42(6) (fire extinguishers in machinery spaces containing internal combustion type machinery) and regulation 62 | |
| Ships of Class VIII, Class VIII(A), Class IX, Class IX(A) or Class XI of under 150 tons | Regulation 43(4) and (5) (additional requirement for ships of wooden construction) | |
| Ships of any class to which this exemption applies other than passenger ships | Regulation 57 (requirements for ships carrying explosives) in so far as it prohibits the use of steam for fire smothering purposes in any compartment containing explosives | |