For the purpose of this Code, unless expressly provided
otherwise, the terms used therein have the meanings defined in the
following paragraphs. Additional definitions are given in the general
parts of the various chapters.
1.4.1
Administration means the Government
of the State whose flag the craft is entitled to fly.
1.4.2
Air-cushion vehicle (ACV) is
a craft such that the whole or a significant part of its weight can
be supported, whether at rest or in motion, by a continuously generated
cushion of air dependent for its effectiveness on the proximity of
the surface over which the craft operates.
1.4.3
Anniversary date means the
day and the month of each year which will correspond to the date of
expiry of the relevant certificate.
1.4.4
Assembly station is an area
where passengers can be gathered in the event of an emergency, given
instructions and prepared to abandon the craft, if necessary. The
passenger spaces may serve as assembly stations if all passengers
can be instructed there and prepared to abandon the craft.
1.4.5
Auxiliary machinery spaces are
spaces containing internal combustion engines of power output up to
and including 110 kW driving generators, sprinkler, drencher or fire
pumps, bilge pumps, etc., oil filling stations, switchboards of aggregate
capacity exceeding 800 kW, similar spaces and trunks to such spaces.
1.4.6
Auxiliary machinery spaces having
little or no fire risk are spaces such as refrigerating, stabilizing,
ventilation and air conditioning machinery, switchboards of aggregate
capacity 800 kW or less, similar spaces and trunks to such spaces.
1.4.7
Base port is a specific port
identified in the route operational manual and provided with:
-
.1 appropriate facilities providing continuous
radio communications with the craft at all times while in ports and
at sea;
-
.2 means for obtaining a reliable weather forecast
for the corresponding region and its due transmission to all craft
in operation;
-
.3 for a category A craft, access to facilities
provided with appropriate rescue and survival equipment; and
-
.4 access to craft maintenance services with appropriate
equipment.
1.4.8
Base port State means the State
in which the base port is located.
1.4.9
Breadth (B) means breadth of
the broadest part of the moulded watertight envelope of the rigid
hull, excluding appendages, at or below the design waterline in the
displacement mode with no lift or propulsion machinery active.
1.4.10
Cargo craft is any high-speed
craft other than passenger craft, and which is capable of maintaining
the main functions and safety systems of unaffected spaces after damage
in any one compartment on board.
1.4.11
Cargo spaces are all spaces
other than special category spaces and ro-ro spaces used for cargo
and trunks to such spaces. For the purposes of Chapter 7, part D, "cargo spaces" include ro-ro spaces, special
category spaces and open deck spaces.
1.4.12
Category A craft is any high-speed
passenger craft:
-
.1 operating on a route where it has been demonstrated
to the satisfaction of the flag and port States that there is a high
probability that, in the event of an evacuation at any point of the
route, all passengers and crew can be rescued safely within the least
of:
- the time to prevent persons in survival craft from exposure causing
hypothermia in the worst intended conditions,
- the time appropriate with respect to environmental conditions
and geographical features of the route, or
- 4 hours; and
-
.2 carrying not more than 450 passengers.
1.4.13
Category B craft is any high-speed
passenger craft other than a category A craft, with machinery and
safety systems arranged such that, in the event of any essential machinery
and safety systems in any one compartment being disabled, the craft
retains the capability to navigate safely. The damage scenarios considered
in chapter 2 should not be inferred
in this respect.
1.4.14
Company means the company
as defined in chapter IX of the Convention.
1.4.15
Continuously manned control station is
a control station which is continuously manned by a responsible member
of the crew while the craft is in normal service.
1.4.16
Control stations are those
spaces in which the craft's radio or navigating equipment (main displays
and controls for equipment specified in 13.2
to 13.7 ) or the emergency source of powerfootnote and emergency switchboard are located, or
where the fire recording or fire control equipment is centralized, footnoteor where other functions essential to the
safe operation of the craft such as propulsion control, public address,
stabilization systems, etc., are located.
1.4.18
Crew accommodation are those
spaces allocated for the use of the crew, and include cabins, sick
bays, offices, lavatories, lounges and similar spaces.
1.4.19
Critical design conditions means
the limiting specified conditions, chosen for design purposes, which
the craft shall keep in displacement mode. Such conditions shall be
more severe than the "worst intended conditions" by a suitable margin
to provide for adequate safety in the survival condition.
1.4.20
Datum means a watertight deck
or equivalent structure of a non-watertight deck covered by a weathertight
structure of adequate strength to maintain the weathertight integrity
and fitted with weathertight closing appliances.
1.4.21
Design waterline means the
waterline corresponding to the maximum operational weight of the craft
with no lift or propulsion machinery active and is limited by the
requirements of chapters 2 and 3.
1.4.22
Displacement mode means the
regime, whether at rest or in motion, where the weight of the craft
is fully or predominantly supported by hydrostatic forces.
1.4.23
Failure Mode and Effect Analysis
(FMEA) is an examination, in accordance with annex 4, of the craft's system and equipment
to determine whether any reasonably probable failure or improper operation
can result in a hazardous or catastrophic effect.
1.4.24
Fire Test Procedures Code (FTP Code) means
the International Code for Application of Fire Test Procedures, as
defined in chapter II-2 of the Convention.
1.4.25
Flap means an element formed
as an integrated part of, or an extension of, a foil, used to adjust
the hydrodynamic or aerodynamic lift of the foil.
1.4.26
Flashpoint means a flashpoint
determined by a test using the closed-cup apparatus referenced in
the International Maritime Dangerous Goods (IMDG) Code.
1.4.27
Foil means a profiled plate
or three dimensional construction at which hydrodynamic lift is generated
when the craft is under way.
1.4.28
Fully submerged foil means
a foil having no lift components piercing the surface of the water
in the foil-borne mode.
1.4.29
Galleys are those enclosed
spaces containing cooking facilities with exposed heating surfaces,
or which have any cooking or food heating appliances each having a
power of more than 5 kW.
1.4.30
High-speed craft is a craft
capable of maximum speed, in metres per second (m/s), equal to or
exceeding:
where
|
∇ |
= |
= volume of displacement
corresponding to the design waterline (m3)
|
excluding craft the hull of which is supported completely clear
above the water surface in non-displacement mode by aerodynamic forces
generated by ground effect.
1.4.31
Hydrofoil craft is a craft
the hull of which is supported completely clear above the water surface
in non-displacement mode by hydrodynamic forces generated on foils.
1.4.32
IMDG Code means the International
Maritime Dangerous Goods (IMDG) Code as defined in chapter VII of
the Convention.
1.4.33
Length (L) means the overall
length of the underwater watertight envelope of the rigid hull, excluding
appendages, at or below the design waterline in the displacement mode
with no lift or propulsion machinery active.
1.4.34
Lightweight is the displacement
of the craft in tonnes without cargo, fuel, lubricating oil, ballast
water, fresh water and feedwater in tanks, consumable stores, passengers
and crew and their effects.
1.4.35
Life-Saving Appliances Code (LSA Code)
means the International Life-Saving
Appliance Code as defined in chapter III of
the Convention.
1.4.36
Machinery spaces are spaces
containing internal combustion engines either used for main propulsion
or having an aggregate total power output of more than 110 kW, generators,
oil fuel units, major electrical machinery and similar spaces and
trunks to such spaces.
1.4.37
Maximum operational weight means
the overall weight up to which operation in the intended mode is permitted
by the Administration.
1.4.38
Maximum speed is the speed
achieved at the maximum continuous propulsion power for which the
craft is certified at maximum operational weight and in smooth water.
1.4.39
Non-displacement mode means
the normal operational regime of a craft when non-hydrostatic forces
substantially or predominantly support the weight of the craft.
1.4.40
Oil fuel unit includes any
equipment for the preparation of oil fuel and delivery of oil fuel,
heated or not, to boilers and engines (including gas turbines) at
a pressure of more than 0.18 N/mm2.
1.4.41
Open ro-ro spaces are those
ro-ro spaces:
-
.1 to which any passengers carried have access;
and
-
.2 which either;
-
.2.1 are open at both ends; or
-
.2.2 have an opening at one end and are provided
with 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.
1.4.42
Operating limitations means
the craft limitations in respect of handling, controllability and
performance and the craft operational procedures within which the
craft is to operate.
1.4.43
Operating compartment means
the enclosed area from which the navigation and control of the craft
is exercised.
1.4.44
Operating station means a
confined area of the operating compartment equipped with necessary
means for navigation, manoeuvring and communication, and from where
the functions of navigating, manoeuvring, communication, commanding,
conning and lookout are carried out.
1.4.45
Organization means the International
Maritime Organization.
1.4.46
Passenger is every person
other than:
1.4.47
Passenger craft is a craft
which carries more than twelve passengers.
1.4.48
Place of refuge is any naturally
or artificially sheltered area which may be used as a shelter by a
craft under conditions likely to endanger its safety.
1.4.49
Public spaces are those spaces
allocated for the passengers and include bars, refreshment kiosks,
smoke rooms, main seating areas, lounges, dining rooms, recreation
rooms, lobbies, lavatories and similar spaces, and may include sales
shops.
1.4.50
Refreshment kiosks are those
spaces which are not enclosed, serving refreshments and containing
food warming equipment having a total power of 5 kW or less and with
an exposed heating surface temperature not above 150°C.
1.4.51
Ro-ro craft is a craft fitted
with one or more ro-ro spaces.
1.4.52
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 craft 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 or rail tankers), trailers, containers, pallets, demountable
tanks or in or on similar stowage units or other receptacles) can
be loaded and unloaded, normally in a horizontal direction.
1.4.53
Service spaces are those enclosed
spaces used for pantries containing food warming equipment but no
cooking facilities with exposed heating surfaces, lockers, sales shops,
store-rooms and enclosed baggage rooms. Such spaces containing no
cooking appliances may contain:
-
.1 coffee automats, toasters, dish washers, microwave
ovens, water boilers and similar appliances, each of them with a maximum
power of 5 kW; and
-
.2 electrically heated cooking plates and hot
plates for keeping food warm, each of them with a maximum power of
2 kW and a surface temperature not above 150°C.
1.4.54
Significant wave height is
the average crest-to-trough height of the highest one third of the
zero-upcrossing waves in a specified period.
1.4.55
Special category spaces are
those enclosed ro-ro spaces 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
m.
1.4.56
Surface-effect ship (SES)
is an air-cushion vehicle whose cushion is totally or partially retained
by permanently immersed hard structures.
1.4.57
Transitional mode means the
regime between displacement and non-displacement modes.
1.4.58
Watertight in relation to
a structure means capable of preventing the passage of water through
the structure in any direction under the head of water likely to occur
in the intact or damaged condition.
1.4.59
Weather deck is a deck which
is completely exposed to the weather from above and from at least
two sides.
1.4.60
Weathertight means that water
will not penetrate into the craft in any wind and wave conditions
up to those specified as critical design conditions.
1.4.61
Worst intended conditions means
the specified environmental conditions within which the intentional
operation of the craft is provided for in the certification of the
craft. This shall take into account parameters such as the worst conditions
of wind force allowable, significant wave height (including unfavourable
combinations of length and direction of waves), minimum air temperature,
visibility and depth of water for safe operation and such other parameters
as the Administration may require in considering the type of craft
in the area of operation.