Chapter I
General Definition :
For the purpose of the present regulations,
unless expressly providec otherwise:
(a) Regulations means the regulations
contained in the annex to the present Convention.
(b) Administration means the Covernment of the
State whose flag the ship is entitled to fly.
(c) Approved means approved by the
Administration.
(d) lnternational voyage means a voyage from a
country to which the present Convention applies to a port outside such country,
or conversely.
(e) A passenger is every person other than:
(i) the master and the members of the crew or
other persons employed or engaged in any capacity on
board a ship on the business of that ship; and
(ii) a child under one year of age.
(f) A passenger ship is a ship which carries
more than twelve passengers.
(9 A cargo ship is any ship which is not a
passenger ship.
(h) A tanker is a cargo sh ip constructed or
adapted for the carriage in bulk of liquid cargoes of an inflammabler
nature.
(i) A fishing vesse/ is a vessel used for
catching f ish, whales, seals, walrus or other Iiving resources of the sea.
(il A nuclear ship is a ship provided with a
nuclear power plant.
25 May 1980.
(l) Existing shrp means a ship which is not a
new ship.
(m) A mile is 1,852 m or 6,080 ft.
m(n) Anniversary date means the day and the
month of each year which will correspond to the date of expiry of the relevant
certificate."
Chapter II - 1 Construction - Structure,
subdivision and stability, machinery and electrical instructions :
For the purpose of this chapter, unless
expressly provided otherwise:
-l Subdivision length (1,) of the ship is the
greatest projected moulded length of that part of the ship at or
below deck or decks limiting the vertical
extent of flooding with the ship at the deepest subdivision draught.
2 Mid-length is the mid-point of the
subdivision length of the ship.
3 Aft terminal is the aft Iimit of the
subdivision length.
4 Forward terminal is the forward Iimit of the
subdivision length.
5 Length (l) is the length as defined in the
lnternational Convention on Load Lines in force.
6 Freeboard deck is the deck as defined in the
lnternational Convention on Load Lines in force.
7 Forward perpendicuiar is the forward
perpendicular as defined in the lnternational Convention on Load
Lines in force.
B Breadth (B) is the greatest moulded breadth
of the ship at or below the deepest subdivision draught.
9 Draught (d) is the vertical distance from
the keel Iine at mid-length to the waterline in question.
10 Deepest subdivision draught (dr) is the waterline
which corresponds to the Summer Load Line draught
of the ship.
11 Light service draught (d) is the service
draught corresponding to the lightest anticipated loading and
associated tankage, including, however, such
ballast as may be necessary for stability and/or immersion.
Passenger ships should include the full
complement of passengers and crew on board.
12 Partial subdivision draught (dr) is the
light service draught plus 60% of the difference between the light
service draught and the deepest subdivision
draught.
13 Trim is the difference between the draught
forward and the draught aft, where the draughts are measured
at the forward and aft terminals respectively,
disregarding any rake of keel.
14 Permeability (p") of a space is the
proportion of the immersed volume of that space which can be
occupied by water.
15 Machinery spaces are spaces between the
watertight boundaries of a space containing the main and
auxiliary propulsion machinery, including
boilers, generators and electric motors primarily intended for
propulsion. ln the case of unusual
arrangements, the Administration may define the limits of the machinery
spaces.
16 Weathertight means that in any sea
conditions water will not penetrate into the ship.
17 Watertight means having scantlings and
arrangements capable of preventing the passage of water in any direction under
the head of water likely to occur in intact and damaged conditions.in
the'dama"ged condition, the
head of water is to be considered in the worst
situation at equilibrium, including intermediate iages of floojing.
1B Design pressure means the hydrostatic
pressure for which each structure or appliance assumed watertight in the intact
and damage stability calculations is designed to withstand
19 Bulkhead deck in a passenger ship means the
uppermost deck at any point in the subdivision length (1,)
to which the main bulkheads and the ship's
shell are carried watertight and the lowermost deck from"whic"h
passenger and crew evacuation will not be
impeded by water in iny stage of flooding for damage cases
defined in regulation B and in parlB-2 of this
chapter. The bulkhead deck m1y be a stepp-ed deck. ln"a cargo ship the
freeboard deck may be taken as the bulkhead deck.
20 Deadweight is the difference in tonnes
between the displacement of a ship in water of a specific gravity ol 1 .025 at
the draught corresponding to the assigned summer freeboard and the lightweight
oi the shi[.
21 Lightweight is the displacement of a ship
in tonnes without cargo, fuel, Iubricating oil, ballast water, fresh
water and feedwater in tanks, consumable
stores, and passengert and crew and their"effects.
22 Oil tanker is the oil tanker defined in
regulation 1 of Annex I of the Protocol of l97B relating to the
lnternational Convention for the Prevention of
pollution from Ships, 1973.
23 Ro-ro passenger ship means a passenger ship
with ro-ro spaces or special category spaces as definecl in
regulation ll-2l3.
24 Bulk carrier means a bulk carrier as
defined in regulation xw1.1.
25 Keel line is a line parallel to the slope
of the keel passing amidships through:
.1 the top of the keel at centreline or line
of intersection of the inside of shell plating with the keel if
a bar keel extends below that Iine, on a ship
with a metal shell; or
.2 in wood and composite ships, the distance
is measured from the lower edge of the keel rabbet.
When the form at the lower part of the midship
section is of a hollow chaiacter, or where thick
garboards are fitted, the distance is measured
from the point where the line of the flat of the bottom
continued inward intersects the centreline
amidships.
26 Amidships is at the middle of rhe length
(t).
27 2008 lS Code means the International Code
on lntact Stability, 2008, consisting of an introduction, part A (the
provisions of which shall be treated as mandatory) and part B (the provisions
of *hich shall be treated
as recommendatory), as adopted by resolution
MSC.262(85), provided that:
.1 amendments to the introduction and part A
of the Code are adopted, brought into force ancl take
effect in accordance with the provisions of
article Vlll of the present ConvLntion concerning the
amendment procedures applicable to the annex
other than chapter I thereof; and
.2 amendments to part B of the Code are
adopted by the Maritime Safety Committee in accordance
with its Rules of Procedure.
28 Coal-based Ship Construction Standards for
Bulk Carriers and OilTankers means the International Coal-
Based Ship Construction Standards for Bulk
Carriers and Oil Tankers, adopted by the Maritime Safety Committee
by resolution MSC.2B7(87), as may be amended
by the Organization, provided that such amendments are
adopted, brought into force and take effect in
accordance with the provisions of article Vlll of the present Convention
concerning the amendment procedures applicable to the annex other than chapter
I thereof.
Chapter II - 2 "Construction
fire detection, Fire protection and fire
extinction :
For the purpose of this chapter, unless
expressly provided otherwise, the following definitions shall apply:
1 Accommodation spaces are those spaces used
for public spaces, corridors, lavatories, cabins, offices,
hospitals, cinemas, game and hobby rooms,
barber shops, pantries containiing no cooking appliances and
similar spaces.
2 'A' class divisions are those divisions
formed by bulkheads and decks which comply with the following criteria:
.1 they are constructed of steel or other
equivalent material;
.2 they are suitably stiffened;
.3 they are 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 tempeLture, nor will
the temperature, at any one point, including
any joint, rise more than tAO'C above the original
temperature, within the time listed below:
class'A-50" G0 min
class'A-30" 30 min
class 'A-15" 15 min
class'A-0" 0 min"
.4they are so constructed as to be capable of
preventing the passage of smoke and flame to the end
of the one-hour standard fire tesg and
.5 the Administration required a test of a
prototype bulkhead or deck in accordance with the Fire Test
Procedures Code to ensure that it meets the
above requirements for integrity and temperature rise.
3 Atriums are public spaces within a single
main vertical zone spanning three or more open decks.
4 'B' class divisions are those divisions
formed by bulkheads, decks, ceilings or linings which comply with
the fol lowing criteria:
they are constructed of approved
non-combustible materials and all materials used in the construction
and erection of "8" class divisions
are non-combustible, with the exception that combustible veneers
may be permitted provided they meet other
appropriate requirements of this chapter;
they 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 are 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; and
the Administration required a test of a
prototype division in accordance with the Fire Test Procedures
Code to ensure that it meets the above
requirements for integrity and temperature rise.
Bulkhead deck is the uppermost deck up to
which the transverse watertight bulkheads are carried.
6 Cargo area is that part of the ship that
contains cargo holds, carSo tanks, slop tanks and carSo pump-
rooms inlludlng prrp-ioorns, cofferdams,
ballast and void spaces adjacent to cargo tanks and also deck
areas throughout the entire length and breadth
of the part of the ship over the aforementioned spaces.
7 Cargo ship is a ship as defined in regulation
l/2(g).
B Cargo spaces are spaces used for cargo,
cargo oil tanks, tanks for other liquid cargo and trunks to such
spaces.
9 Central control station is a control station
in which the following control and indicator functions are
centralized:
.1 fixed fire detection and fire alarm
systems;
.2 automatic sprinkler, fire detection and
fire alarm systems;
.3 fire door indicator panels;
.4 fire door closure;
.5 watertight door indicator panels;
.6 watertight door closures;
.7 ventilation fans;
.8 general/firealarms
.9 communication systems including telephones;
and
.10 microphones to public address systems.
10 "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 the requirements of this chapter.
11 Chemical tanker,is a cargo ship constructed
or adapted and used for the carriage in bulk of any Iiquid product of a
flammable nature Iisted in chapter 17 of the International Bulk Chemlc"al
Code, as deiined in
regulation VII/8.1.
12 Closed ro-ro spaces are ro-ro spaces which
are neither open ro-ro spaces nor weather decks.
Closed vehicle spaces are vehicle spaces which
are neither open vehicle spaces nor weather decks.
Combination carrier is a cargo ship designed
to carry both oil and solid cargoes in bulk.
15 Combustible materialis any material other
than a non-combustible material.
16 Continuous "8" class ceilings or
linings are those ,,B,, class ceiliings or Iinings which terminate at an
"A',
c)r "8" class division.
17 Continuously manned central control station
is a central control station which is continuously manned
by a responsible member of the crew.
'lB 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 equifmenl is centralized. Spaces rir6"r"
the fire recording or fire control equipment
is centralLed are also consiclered to be a fire control station.
19 Crude oil is any oil occurring naturally in
the earth, whether or not treated to render it suitable for
transportation, and includes crude oil where
certain distillate fractions may have been removed from or added
to.
20 Dangerous goods are those goods referred to
in the IMDC Code, as defined in regulation Vll/1.1.
21 Deadweight is 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
Iightweight of th[ ship.
22 Fire Safety Systems Code means the
lnternational Code for Fire Safety Systems as adopted by the Maritime
Safety Committee of the Organization by
resolution MSC.9B(73), as may be amended by the Organization, provided that
such amendments are adopted, brought into force and take effect in accordanc6
with the
provisions of article Vlll of the present
Convention concerning the amendment procedures applicable to the
annex other than chapter I thereof.
23 Fire Test Procedures Code means the
lnternational Code for Application of Fire Test Proceclures, 2010
(2010 FTP Code) as adopted by the Maritime
Safety Committee of the Organization by resolution MSC.30Z(BB),
as may be amended by the Organization,
provided that such amendments are adopted, brought into force
and take effect in accordance with the
provisions of article Vlll of the present Convention cJncerning the
amendment procedures applicable to the annex
other than chapter I.
24 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.
25 Cas carrier is a cargo ship constructed or
adapted and used for the carriage in bulk of any liquefied gas
or other products of a flammable nature listed
in chapter '19 of the lnternationaiCas Carrier Code,'as defiried
in regulation Vlll11.1.
26
.
Helideck is a purpose-built helicopter landing
area located on a ship including all structure, fire-fighting
appliances and other equipment necessary for
the safe operation of helicopters.
27 Helicopter facility is a helideck including
any refuelling and hangar facilities.
28 Lightweight is the displacement of a ship
in tonnes without cargo, fuel, lubricating oil, ballast water, fresh
water and feedwater in tanks, consumable
stores, and passengers and crew and their effects.
29 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.
30 Machinery spaces are machinery spaces of
category A and other spaces containing propulsion machinery,
boilers, oil fuel units, steam and internal
combustion engines, generators and major electrical machinery, oil
filling stations, refrigerating, stabilizing,
ventilation and air conditioning machinery, and similar spaces, and
trunks to such spaces.
31 Machinery spaces of category A are those
spaces and trunks to such spaces which contain either:
.1 internal combustion machinery used for main
propulsion;
.2 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
.3 any oil-fired boiler or oil fuel unit, or
any oil-fired equipment other than boilers, such as inert gas
Benerators, incinerators, etc.
32 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 m.
33 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.
34 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/mm2.
35 Open ro-ro spaces are those ro-ro spaces
which are either open at both ends or have an opening at one
end, and are provided with adequate natural
ventilation effective over their entire length through permanent
openings distributed in the side plating or
deckhead or from above, having a total area of at least 10% of the
total area of the space sides.
36 Open vehicle spaces are those vehicle
spaces which are either open at both ends or have an opening
at one end and are provided with adequate
natural ventilation effective over their entire length through
permanent openings distributed in the side
plating or deckhead or from above, having a total area of at least
10"/" of the total area of the space
sides.
37 Passenger ship is a ship as defined in
regulation l/2(f).
38 Prescriptive requirements means the
construction characteristics, limiting dimensions, or fire safety
systems specified in parts B, C, D, E or C.
39 Public spaces are those portions of the
accommodation which are used for halls, dining rooms, lounges
and similar permanently enclosed spaces.
40 Rooms containing furniture and furnishings
of restricted fire risk, for the purpose of regulation 9, are those
rooms containing furniture and furnishings of
restricted fire risk (whether cabins, public spaces, offices or other
types of accommodation) in which:
.1 case furniture such as desks, wardrobes,
dressing tables, bureaux, or dressers are 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;
.2 free-standing furniture such as chairs,
sofas, or tables are constructed with frames of non-combustible
materials;
.3 draperies, curtains and other suspended
textile materials have qualities of resistance to the
propagation of flame not inferior to those of
wool having a mass of 0.8 kg/m2, this being determined
in accordance with the Fire Test Procedures
Code;
.4 floor coverings have low flame-spread
characteristics;
.5 exposed surfaces of bulkheads, linings and
ceilings have low flame-spread characteristics;
.6 upholstered Jurniture has qualities of
resistance to the ignition and propagation of flame, this being determined in
accordance with the Fire Test procedrrui cod"; ,nd
.7 bedding com.ponents have qualities of
resistance to the ignition and propagation of flame, this
being determined in accordance with the Fire
Test Procedu-res Code.
41 .Ro-ro spaces are spaces not normally
subdivided in any way and normally extending to either a substantial length or
the entire length of the ship in which motor vehicles with fuel in their tanks
foitheir own propulsion and/or goods (packaged or in bulk, in or on rail or
road cars, vehicles (including road or rail tankers), trailers, containers,
pallets, demountable tanks or in or on similar stowage units or othJr
receptacles) can be loaded and unloaded normally in a horizontal direction
42 Ro-ro passenger ship means a passenger ship
with ro-ro spaces or special category spaces.
43 Steel or other equivalent materialmeans any
non-combustible material wh ich, by itself or due to insu lation 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).
44 Sauna is a hot room with temperatures
normally varying between BO"C and 120.C where the heat is provided by a
hot surface (e.8. by an electrically heated ou"-n;. The hot roo, -uy ulso
include tn" ,[i." rvhere the oven is located and adjacent brathrooms
45
.
Service spaces are those spaces used for
galleys, pantries containing cooking appliances, Iockers, mail and specie
rooms, store-rooms, workshops othei than those forming part Jf the maZhinery
spaces, and similar
spaces and trunks to such spaces.
46
. .Special. category spaces are those enclosed
vehicle spaces above and below the bulkhead deck, into and from which vehicles
can be driven and to wlicl-r passengers have access. Special category spaces
may be accommodated on more than one deck provided tLat the"total overall
ct"rr- ir"ij[t for vehicles does not exceed 10 m.
47 A standard fire test is a test in which
specimens of the relevant bulkheads or clecks are exposed in a test furnace to
temperatures corresponding approximately to the standard time-temperature curve
in accordance with the test method specified in the Fire Test procejures Code.
48 Tanker is a ship as defined in regulation
l/2(h).
49 Vehicle spaces are cargo spaces intended
for carriage of motor vehicles with fuel in their tanl<s for their
own propulsion.
Part A: Ceneral
Regulation 3
weather deck is a deck which is completely
exposed to the weather from above and from at least two
51 Safe area in the context.of a casualty is,
from the perspective of habitability, any area(s) which is not flooded or which
is outside the main vertical zone(s) in which a fire has occuried such that it
can safely accommodate all persons on board to protect them from hazards to
life or health and provide them with basic
services.
52 Safety centre is a control station
dedicated to the management of emergency situations. Safety systems, operation,
control and/or monitoring are an integral part of the safety centre.
53. Cabin balcony is an open deck space which
is provided for the exclusive use of the occupants of a single cabin and has
direct access from such a cabin.
