2 Definitions (R 3)

.1 Non-combustible material is a material which neither burns nor gives off flammable vapours in sufficient quantity for self-ignition when heated to approximately 750 °C, this being determined by a fire test in accordance with the IMO Resolution A.799 (19) ‘Revised recommendation on test methods for qualifying marine construction materials as non-combustible’. Any other material is a combustible material. Non-combustible material is a material which neither burns nor gives off flammable vapours in sufficient quantity for self-ignition when heated to approximately 750 °C, this being determined in accordance with the Fire Test Procedures Code. Any other material is a combustible material. .2 A standard fire test is one in which specimens of the relevant bulkheads or decks are exposed in a test furnace to temperatures corresponding approximately to the standard time-temperature curve. The specimen shall have an exposed surface of not less than 4,65 m^(2) and height (or length of deck) of 2,44 metres, resembling as closely as possible the intended construction and including where appropriate at least one joint. The standard time-temperature curve is defined by a smooth curve drawn through the following internal furnace temperature points: initial internal furnace temperature 20 °C at the end of the first 5 minutes 576 °C at the end of 10 minutes 679 °C at the end of 15 minutes 738 °C at the end of 30 minutes 841 °C at the end of 60 minutes 945 °C A standard fire test is one in which the specimens of the relevant bulkheads and decks are exposed in a test furnace to temperatures corresponding approximately to the standard temperature curve. The test methods shall be in accordance with the Fire Test Procedures Code. .3 ‘A’ class divisions are those divisions formed by bulkheads and decks which comply with the following: they shall be constructed of steel or other equivalent material; they shall be suitably stiffened; they shall be so constructed as to be capable of preventing the passage of smoke and flame to the end of the one-hour standard fire test; they shall be insulated with approved non-combustible materials such that the average temperature of the unexposed side will not rise more than 140 °C above the original temperature, nor will the temperature, at any one point, including any joint, rise more than 180 °C above the original temperature, within the time listed below: class ‘A-60’ 60 minutes class ‘A-30’ 30 minutes class ‘A-15’ 15 minutes class ‘A-0’ 0 minutes The Administration of the flag State shall require a test of a prototype bulkhead or deck to ensure that it meets the above requirements for integrity and temperature rise in accordance with the IMO Resolution A.754 (18). For class B, C and D ships constructed on or after 1 January 2003, ‘IMO Resolution A.754 (18)’ shall read ‘Fire Test Procedures Code’. .4 ‘B’ class divisions are those divisions formed by bulkheads, decks, ceilings or linings which comply with the following: they shall be so constructed as to be capable of preventing the passage of flame to the end of the first half hour of the standard fire test; they shall have an insulation value such that the average temperature of the unexposed side will not rise more than 140 °C above the original temperature, nor will the temperature at any one point, including any joint, rise more than 225 °C above the original temperature within the time listed below: class ‘B-15’ 15 min class ‘B-0’ 0 min they shall be constructed of approved non-combustible materials and all materials entering into the construction and erection of ‘B’ class divisions shall be non-combustible, with the exception that combustible veneers may be permitted provided they meet other requirements of this chapter; the Administration of the flag State shall require a test of a prototype division to ensure that it meets the above requirements for integrity and temperature rise in accordance with IMO Resolution A.754 (18). For class B, C and D ships constructed on or after 1 January 2003, ‘IMO Resolution 754 (18)’ shall read ‘Fire Test Procedures Code’. .5 ‘C’ class divisions are divisions constructed of approved non-combustible materials. They need meet neither requirements relative to the passage of smoke and flame nor limitations relative to the temperature rise. Combustible veneers are permitted provided they meet other requirements of this chapter. .6 Continuous ‘B’ class ceilings or linings are those ‘B’ class ceilings or linings which terminate only at an ‘A’ or ‘B’ class division. .7 Steel or other equivalent material. Where the words ‘steel or other equivalent material’ occur, ‘equivalent material’ means any non-combustible material which, by itself or due to insulation provided, has structural and integrity properties equivalent to steel at the end of the applicable exposure to the standard fire test (e.g. aluminium alloy with appropriate insulation). .8 Low flame spread means that the surface thus described will adequately restrict the spread of flame, this being determined by a fire test according to IMO Resolution A.653 (16), for bulkhead, ceiling and deck finish materials. Low flame spread means that the surface thus described will adequately restrict the spread of flame, this being determined in accordance with the Fire Test Procedures Code. .9 Main vertical zones are those sections into which the hull, superstructure, and deckhouses are divided by ‘A’ class divisions, the mean length and width of which on any deck does not in general exceed 40 metres. .10 Accommodation spaces are those spaces used for public spaces, corridors, lavatories, cabins, offices, hospitals, cinemas, games and hobbies rooms, barber shops, pantries containing no cooking appliances and similar spaces. .11 Public spaces are those portions of the accommodation which are used for halls, dining rooms, lounges and similar permanently enclosed spaces. .12 Service spaces are those spaces used for galleys, pantries containing cooking appliances, lockers, mail and specie rooms, storerooms, workshops other than those forming part of the machinery spaces, and similar spaces and trunks to such spaces. .13 Cargo spaces are all spaces used for cargo (including cargo oil tanks) and trunks to such spaces. .13-1 Vehicle spaces are cargo spaces intended for the carriage of motor vehicles with fuel in their tanks for their own propulsion. .14 Ro-ro cargo spaces are spaces not normally subdivided in any way and extending to either a substantial length or the entire length of the ship in which motor vehicles with fuel in their tanks for their own propulsion and/or goods (packaged or in bulk, in or on rail or road cars, vehicles (including road and rail tankers), trailers, containers, pallets, dismountable tanks or in or on similar stowage units or other receptacles) can be loaded and unloaded normally in a horizontal direction. .15 Open ro-ro cargo spaces are ro-ro cargo spaces either open at both ends, or open at one end and provided with adequate natural ventilation effective over the entire length through permanent openings in the side plating or deckhead, or from above, and for ships constructed on or after 1 January 2003 having a total area of at least 10 % of the total area of the space sides. .15-1 Open vehicle spaces are those vehicle spaces either open at both ends or having an opening at one end and being provided with adequate natural ventilation effective over their entire length through permanent openings distributed in the side plating or deckhead or from above, and for ships constructed on or after 1 January 2003 having a total area of at least 10 % of the total area of the space sides. .16 Closed ro-ro cargo spaces are ro-ro cargo spaces which are neither open ro-ro cargo spaces nor weather decks. .16-1 Closed vehicle spaces are vehicle spaces which are neither open vehicle spaces nor weather decks. .17 Weather deck is a deck which is completely exposed to the weather from above and from at least two sides. .18 Special category spaces are those enclosed vehicle spaces above or below the bulkhead deck into and from which such vehicles can be driven and to which passengers have access. Special category spaces may be accommodated on more than one deck provided that the total overall clear height for vehicles does not exceed 10 metres. .19.1 Machinery spaces of category A are those spaces and trunks to such spaces which contain: internal combustion machinery used for main propulsion; or internal combustion machinery used for purposes other than main propulsion where such machinery has in the aggregate a total power output of not less than 375 kW; or any oil-fired boiler or oil fuel unit. .19.2 Machinery spaces are all machinery spaces of category A and all other spaces containing propelling machinery, boilers, oil fuel units, steam and internal combustion engines, generators and major electrical machinery, oil filling stations, refrigerating, stabilising, ventilation and air conditioning machinery, and similar spaces, and trunks to such spaces. .20 Oil fuel unit is the equipment used for the preparation of oil fuel for delivery to an oil-fired boiler, or equipment used for the preparation for delivery of heated oil to an internal combustion engine, and includes any oil pressure pumps, filters and heaters dealing with oil at a pressure of more than 0,18 N/mm^(2). .21 Control stations are those spaces in which the ship's radio or main navigating equipment or the emergency source of power is located or where the fire recording or fire control equipment is centralised. .21.1 Central control station is a control station in which the following control and indicator functions are centralised: fixed fire detection and alarm systems; automatic sprinklers, fire detection and alarm systems; fire door indicator panels; fire doors closures; watertight door indicator panels; watertight door closures; ventilation fans; general/fire alarms; communication systems including telephones; and microphones to public address systems. .21.2 Continuously manned central control station is a central control station which is continuously manned by a responsible member of the crew. .22 Rooms containing furniture and furnishings of restricted fire risk are, for the purpose of Regulation II-2/B/4, those rooms containing furniture and furnishings of restricted fire risk (whether cabins, public spaces, offices and other types of accommodation) in which: all case furniture such as desks, wardrobes, dressing tables, bureaux, dressers, is constructed entirely of approved non-combustible materials, except that a combustible veneer not exceeding 2 mm may be used on the working surface of such articles; all free-standing furniture such as chairs, sofas, tables, is constructed with frames of non-combustible materials; all draperies, curtains and other suspended textile materials have qualities of resistance to the propagation of flame not inferior to those of wool of mass 0,8 kg/m^(2), in accordance with IMO Resolution A.471 (XII) and its amendments adopted by Resolution A.563 (14). For class B, C and D ships constructed on or after 1 January 2003, ‘IMO Resolution A.471 (XII) and its amendments adopted by Resolution A.563 (14)’ shall read ‘Fire Test Procedures Code’; all floor coverings have qualities of resistance to the propagation of flame not inferior to those of an equivalent woollen material used for the same purpose. For class B, C and D ships constructed on or after 1 January 2003, this subparagraph shall read: ‘all floor coverings have low flame spread characteristics’; all exposed surfaces of bulkheads, linings and ceilings have low flame-spread characteristics; and all upholstered furniture has qualities of resistance to the ignition and propagation of flame in accordance with the Fire Test Procedures of Upholstered Furniture of IMO Resolution A.652 (16). For class B, C and D ships constructed on or after 1 January 2003, ‘IMO Resolution A.652 (16)’ shall read ‘Fire Test Procedures Code’. FOR CLASS B, C AND D SHIPS CONSTRUCTED ON OR AFTER 1 JANUARY 2003: all bedding components have qualities of resistance to the ignition and propagation of flame, this being determined in accordance with the Fire Test Procedures Code. .23 Ro-ro passenger ship means a passenger ship with ro-ro cargo spaces or special category spaces as defined in this regulation. .24 Fire Test Procedures Code means the International Code for Application of Fire Test Procedures, as adopted by the Maritime Safety Committee of the IMO by Resolution MSC 61 (67), as amended by the IMO. .25 Fire Safety Systems Code means the International Code for Fire Safety Systems as adopted by the Maritime Safety Committee of the IMO by Resolution MSC98 (73), as may be amended by IMO, provided that such amendments are adopted, brought into force and take effect in accordance with the provisions of Article VIII of the 1974 SOLAS Convention, as amended, concerning the amendment procedures applicable to the Annex other than Chapter I thereof. .26 Flashpoint is the temperature in degrees Celsius (closed cup test) at which a product will give off enough flammable vapour to be ignited, as determined by an approved flashpoint apparatus. .27 Prescriptive requirements mean the constructive characteristics, limiting dimensions or fire safety systems specified in this chapter.

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Source: EUR-Lex (Cellar) · retrieved 2026-11-10 · Text as adopted (Official Journal); later amendments are not incorporated in this text.