Annex - Amendments to the International
Convention for the Safety of Life at Sea, 1974, as Amended
Chapter II-1 - Construction –
Structure, Subdivision and Stability, Machinery and Electrical
Installations
Part A - General
Regulation 1 – Application
1 The existing paragraph 1.3 is replaced by the following:
"1.3 For the purpose of this chapter:
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.1 the expression ships constructed means ships the keels
of which are laid or which are at a similar stage of construction;
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.2 the expression ships constructed on or after 1 January
2024 means ships:
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.1 for which the building contract is placed on or after
1 January 2024; or
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.2 in the absence of a building contract, the keel of
which is laid or which are at a similar stage of construction on or
after 1 July 2024; or
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.3 the delivery of which is on or after 1 January
2028.
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.3 the expression all ships means ships constructed
before, on or after 1 January 2009;
.4 a cargo ship, whenever built, which is converted to a passenger ship shall
be treated as a passenger ship constructed on the date on which such a
conversion commences."
Part A-1 - Structure of ships
Regulation II-1/3-8 – Towing and mooring equipment
2 Regulation 3-8 is replaced by the following:
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"1 Paragraphs 4 to 6 of this regulation apply to ships
constructed on or after 1 January 2007.
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2 Paragraphs 7 and 8 of this regulation only apply to ships:
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.1 for which the building contract is placed on or after
1 January 2024; or
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.2 in the absence of a building contract, the keel of which is laid
or which is at a similar stage of construction on or after 1 July
2024; or
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.3 the delivery of which is on or after 1 January 2027.
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3 This regulation does not apply to towing arrangements provided in
accordance with regulation 3-4.
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4 Ships shall be provided with arrangements, equipment and fittings of
sufficient safe working load to enable the safe conduct of all towing and
mooring operations associated with the normal operation of the ship.
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5 Arrangements, equipment and fittings provided in accordance with paragraph
4 above shall meet the appropriate requirements of the Administration or an
organization recognized by the Administration under regulation I/6.footnote
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6 Each fitting or item of equipment provided under this regulation shall be
clearly marked with any limitations associated with its safe operation,
taking into account the strength of the supporting ship's structure and its
attachment to it.
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7 For ships of 3,000 gross tonnage and above, the mooring arrangement shall
be designed, and the mooring equipment including lines shall be selected, in
order to ensure occupational safety and safe mooring of the ship, based on
the guidelines developed by the Organization.footnote Ship-specific information shall be provided
and kept on board.footnote
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8 Ships of less than 3,000 gross tonnage should comply with the requirement
in paragraph 7 above as far as reasonably practicable, or with applicable
national standards of the Administration.
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9 For all ships, mooring equipment, including lines, shall be inspected and
maintained in a suitable condition for their intended purposes.footnote
Part B-1 - Stability
Regulation 7-2 – Calculation of the factor
si
3 Paragraphs 5.2, 5.3 and 5.5 are replaced by the following:
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"5.2 The factor si is to be taken as zero in
those cases where the final waterline, taking into account sinkage, heel and
trim, immerses:
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.1 for cargo ships, the lower edge of openings through
which progressive flooding may take place and such flooding is not
accounted for in the calculation of factor si.
Such openings shall include air pipes, ventilators and openings
which are closed by means of weathertight doors or hatch covers;
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.2 any part of the bulkhead deck in passenger ships
considered a horizontal evacuation route for compliance with chapter II-2; and
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.3 for passenger ships subject to the provisions of
regulation 1.1.1.1 and constructed before 1 January 2024, the lower
edge of openings through which progressive flooding may take place
and such flooding is not accounted for in the calculation of factor
si. Such openings shall include air pipes,
ventilators and openings which are closed by means of weathertight
doors or hatch covers.
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5.3 The factor si is to be taken as zero if,
taking into account sinkage, heel and trim, any of the following occur in
any intermediate stage or in the final stage of flooding:
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.1 immersion of any vertical escape hatch in the bulkhead
deck of passenger ships and the freeboard deck of cargo ships
intended for compliance with chapter II-2;
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.2 any controls intended for the operation of watertight
doors, equalization devices, valves on piping or on ventilation
ducts intended to maintain the integrity of watertight bulkheads
from above the bulkhead deck of passenger ships and the freeboard
deck of cargo ships become inaccessible or inoperable;
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.3 immersion of any part of piping or ventilation ducts
located within the assumed extent of damage and carried through a
watertight boundary if this can lead to the progressive flooding of
compartments not assumed as flooded; and
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.4 for passenger ships constructed on or after 1 January
2024, immersion of the lower edge of openings through which
progressive flooding may take place and such flooding is not
accounted for in the calculation of factor si.
Such openings shall include air pipes, ventilators and openings
which are closed by means of weathertight doors or hatch covers.
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5.5 Except as provided in paragraph 5.3.1, openings closed by means of
watertight manhole covers and flush scuttles, remotely operated sliding
watertight doors, side scuttles of the non-opening type as well as
watertight access doors and watertight hatch covers required to be kept
closed during navigation in accordance with regulations 22 to 24 need not be
considered."
Part B-2 - Subdivision, watertight and weathertight integrity
Regulation 12 – Peak and machinery space bulkheads, shaft tunnels,
etc.
4 At the beginning of paragraph 6.1, the text "For ships subject to the
provisions of regulation 1.1.1.1 and constructed before 1 January 2024," is added;
the word "Except" is replaced by "except"; and the reference to ʺparagraph 6.2ʺ is
replaced by ʺparagraph 6.3ʺ.
5 A new paragraph 6.2 is inserted after existing paragraph 6.1 and the
subsequent paragraph is renumbered accordingly:
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"6.2 For ships constructed on or after 1 January 2024, except as
provided in paragraph 6.3, the collision bulkhead may be pierced below the
bulkhead deck of passenger ships and the freeboard deck of cargo ships by
not more than one pipe for dealing with fluid in the forepeak tank, provided
that the pipe is fitted with a remotely controlled valve capable of being
operated from above the bulkhead deck of passenger ships and the freeboard
deck of cargo ships. The valve shall be normally closed. If the remote
control system should fail during operation of the valve, the valve shall
close automatically or be capable of being closed manually from a position
above the bulkhead deck of passenger ships and the freeboard deck of cargo
ships. The valve shall be located at the collision bulkhead on either the
forward or aft side, provided the space on the aft side is not a cargo
space. The valve shall be of steel, bronze or other approved ductile
material. Valves of ordinary cast iron or similar material are not
acceptable."
Regulation 13 – Openings in watertight bulkheads below the bulkhead
deck in passenger ships
6 Regulation 13, including its title, is replaced by the following:
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"Regulation 13 – Openings in watertight boundaries below the
bulkhead deck in passenger ships
1 The number of openings in watertight boundaries shall be
reduced to the minimum compatible with the design and proper working of the
ship; satisfactory means shall be provided for closing these openings.
2.1 Where pipes, scuppers, electric cables, etc., are carried
through watertight boundaries, arrangements shall be made to ensure the
watertight integrity of the boundaries.
2.2 Valves not forming part of a piping system shall not be
permitted in watertight boundaries.
2.3 Lead or other heat sensitive materials shall not be used in
systems which penetrate watertight boundaries, where deterioration of such
systems in the event of fire would impair the watertight integrity of the
boundaries.
3 No doors, manholes or access openings are permitted in watertight
transverse bulkheads dividing a cargo space from an adjoining cargo space,
except as provided in paragraph 8.1 and in regulation 14.
4 Subject to paragraph 9, not more than one door, apart from the doors to
shaft tunnels, may be fitted in each watertight bulkhead within spaces
containing the main and auxiliary propulsion machinery including boilers
serving the needs of propulsion. Where two or more shafts are fitted, the
tunnels shall be connected by an intercommunicating passage. There shall be
only one door between the machinery space and the tunnel spaces where two
shafts are fitted and only two doors where there are more than two shafts.
All these doors shall be of the sliding type and shall be so located as to
have their sills as high as practicable. The hand gear for operating these
doors from above the bulkhead deck shall be situated outside the spaces
containing the machinery.
5.1 Watertight doors, except as provided in paragraph 8.1 or regulation 14,
shall be power-operated sliding doors complying with the requirements of
paragraph 6.
5.2 The means of operation whether by power or by hand of any power-operated
sliding watertight door shall be capable of closing the door with the ship
listed to 15° either way. Consideration shall also be given to the forces
which may act on either side of the door as may be experienced when water is
flowing through the opening applying a static head equivalent to a water
height of at least 1 m above the sill on the centreline of the door.
5.3 Watertight door controls, including hydraulic piping and electric cables,
shall be kept as close as practicable to the bulkhead in which the doors are
fitted, in order to minimize the likelihood of them being involved in any
damage which the ship may sustain. The positioning of watertight doors and
their controls shall be such that if the ship sustains damage within one
fifth of the breadth of the ship, as defined in regulation 2, such distance
being measured at right angles to the centreline at the level of the deepest
subdivision draught, the operation of the watertight doors clear of the
damaged portion of the ship is not impaired.
6.1 Each power-operated sliding watertight door:
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.1 shall have a vertical or horizontal motion;
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.2 shall, subject to paragraph 9, be normally limited to
a maximum clear opening width of 1.2 m. The Administration may
permit larger doors only to the extent considered necessary for the
effective operation of the ship provided that other safety measures,
including the following, are taken into consideration:
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.3 shall be fitted with the necessary equipment to open and close the
door using electric power, hydraulic power or any other form of
power that is acceptable to the Administration;
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.4 shall be provided with an individual hand-operated mechanism. It
shall be possible to open and close the door by hand at the door
itself from either side, and in addition, close the door from an
accessible position above the bulkhead deck with an all-round crank
motion or some other movement providing the same degree of safety
acceptable to the Administration. Direction of rotation or other
movement is to be clearly indicated at all operating positions. The
time necessary for the complete closure of the door, when operating
by hand gear, shall not exceed 90 s with the ship in the upright
position. Visual indicators to show whether the door is open or
closed shall be provided at the accessible position above the
bulkhead deck;
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.5 shall be provided with controls for opening and closing the door
by power from both sides of the door and also for closing the door
by power from the central operating console(s) required by paragraph
7.1;
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.6 shall be provided with an audible alarm, distinct from any other
alarm in the area, which will sound whenever the door is closed
remotely by power and which shall sound for at least 5 s but no more
than 10 s before the door begins to move and shall continue sounding
until the door is completely closed. In the case of remote hand
operation it is sufficient for the audible alarm to sound only when
the door is moving. Additionally, in passenger areas and areas of
high ambient noise the Administration may require the audible alarm
to be supplemented by an intermittent visual signal at the door; and
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.7 shall have an approximately uniform rate of closure under power.
The closure time, from the time the door begins to move to the time
it reaches the completely closed position, shall in no case be less
than 20 s or more than 40 s with the ship in the upright
position.
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6.2 The electrical power required for power-operated sliding watertight doors
shall be supplied from the emergency switchboard either directly or by a
dedicated distribution board situated above the bulkhead deck. The
associated control, indication and alarm circuits shall be supplied from the
emergency switchboard either directly or by a dedicated distribution board
situated above the bulkhead deck and be capable of being automatically
supplied by the transitional source of emergency electrical power required
by regulation 42.3.1.3 in the event of failure of either the main or
emergency source of electrical power.
6.3 Power-operated sliding watertight doors shall have either:
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.1 a centralized hydraulic system with two independent
power sources each consisting of a motor and pump capable of
simultaneously closing all doors. In addition, there shall be for
the whole installation hydraulic accumulators of sufficient capacity
to operate all the doors at least three times, i.e.
closed-open-closed, against an adverse list of 15º. This operating
cycle shall be capable of being carried out when the accumulator is
at the pump cut-in pressure. The fluid used shall be chosen
considering the temperatures liable to be encountered by the
installation during its service. The power-operating system shall be
designed to minimize the possibility of having a single failure in
the hydraulic piping adversely affect the operation of more than one
door. The hydraulic system shall be provided with a low-level alarm
for hydraulic fluid reservoirs serving the power-operated system and
a low gas pressure alarm or other effective means of monitoring loss
of stored energy in hydraulic accumulators. These alarms are to be
audible and visual and shall be situated on the central operating
console(s) required by paragraph 7.1; or
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.2 an independent hydraulic system for each door with
each power source consisting of a motor and pump capable of opening
and closing the door. In addition, there shall be a hydraulic
accumulator of sufficient capacity to operate the door at least
three times, i.e. closed-open-closed, against an adverse list of
15°. This operating cycle shall be capable of being carried out when
the accumulator is at the pump cut-in pressure. The fluid used shall
be chosen considering the temperatures liable to be encountered by
the installation during its service. A low gas pressure group alarm
or other effective means of monitoring loss of stored energy in
hydraulic accumulators shall be provided at the central operating
console(s) required by paragraph 7.1. Loss of stored energy
indication at each local operating position shall also be provided;
or
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.3 an independent electrical system and motor for each
door with each power source consisting of a motor capable of opening
and closing the door. The power source shall be capable of being
automatically supplied by the transitional source of emergency
electrical power as required by regulation 42.4.2 - in the event of
failure of either the main or emergency source of electrical power
and with sufficient capacity to operate the door at least three
times, i.e. closed-open-closed, against an adverse list of 15°.
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For the systems specified in paragraphs 6.3.1, 6.3.2 and 6.3.3, provision
should be made as follows: Power systems for power-operated sliding
watertight doors shall be separate from any other power system. A single
failure in the electric or hydraulic power-operated systems excluding the
hydraulic actuator shall not prevent the hand operation of any door.
6.4 Control handles shall be provided at each side of the bulkhead at a
minimum height of 1.6 m above the floor and shall be so arranged as to
enable persons passing through the doorway to hold both handles in the open
position without being able to set the power closing mechanism in operation
accidentally. The direction of movement of the handles in opening and
closing the door shall be in the direction of door movement and shall be
clearly indicated.
6.5 As far as practicable, electrical equipment and components for watertight
doors shall be situated above the bulkhead deck and outside hazardous areas
and spaces.
6.6 The enclosures of electrical components necessarily situated below the
bulkhead deck shall provide suitable protection against the ingress of
water.footnote
6.7 Electric power, control, indication and alarm circuits shall be protected
against fault in such a way that a failure in one door circuit will not
cause a failure in any other door circuit. Short circuits or other faults in
the alarm or indicator circuits of a door shall not result in a loss of
power operation of that door. Arrangements shall be such that leakage of
water into the electrical equipment located below the bulkhead deck will not
cause the door to open.
6.8 A single electrical failure in the power operating or control system of a
power-operated sliding watertight door shall not result in a closed door
opening. Availability of the power supply should be continuously monitored
at a point in the electrical circuit as near as practicable to each of the
motors required by paragraph 6.3. Loss of any such power supply should
activate an audible and visual alarm at the central operating console(s)
required by paragraph 7.1.
7.1 A central operating console for all power-operated sliding watertight
doors shall be located in the safety centre in accordance with regulation II-2/23. If the safety centre is located
in a separate space adjacent to the navigation bridge, a central operating
console shall also be located on the navigation bridge. The central
operating console(s) shall have a "master mode" switch with two modes of
control: a "local control" mode, which shall allow any door to be locally
opened and locally closed after use without automatic closure, and a "doors
closed" mode, which shall automatically close any door that is open in not
more than 60 s with the ship in an upright position. The "doors closed" mode
shall permit doors to be opened locally and shall automatically re-close the
doors upon release of the local control mechanism. The "master mode" switch
shall normally be in the "local control" mode. The "doors closed" mode shall
only be used in an emergency or for testing purposes.
7.2 For ships subject to the provisions of regulation 1.1.1.1 and constructed
before 1 January 2024, the central operating console at the navigation
bridge shall be provided with a diagram showing the location of each door,
with visual indicators to show whether each door is open or closed. A red
light shall indicate a door is fully open and a green light shall indicate a
door is fully closed. When the door is closed remotely the red light shall
indicate the intermediate position by flashing. The indicating circuit shall
be independent of the control circuit for each door.
7.3 For ships constructed on or after 1 January 2024, the central operating
console(s) shall be provided with a diagram showing the location of each
power-operated sliding watertight door, with visual indicators to show
whether each door is open or closed. A red light shall indicate a door is
fully open and a green light shall indicate a door is fully closed. When the
door is closed remotely the red light shall indicate the intermediate
position by flashing. The indicating circuit shall be independent of the
control circuit for each door. Indication shall also be provided to the
onboard stability computer, if installed in accordance with regulation II-1/8-1.3.1.
7.4 It shall not be possible to remotely open any door from the central
operating console.
8.1 If the Administration is satisfied that such doors are essential,
watertight doors of satisfactory construction may be fitted in watertight
bulkheads dividing cargo spaces on 'tween decks. Such doors may be hinged,
rolling or sliding doors but shall not be remotely controlled. They shall be
fitted at the highest level and as far from the shell plating as
practicable, but in no case shall the outboard vertical edges be situated at
a distance from the shell plating which is less than one fifth of the
breadth of the ship, as defined in regulation 2, such distance being
measured at right angles to the centreline at the level of the deepest
subdivision draught.
8.2 Should any such doors be accessible during the voyage, they shall be
fitted with a device which prevents unauthorized opening. When it is
proposed to fit such doors, the number and arrangements shall receive the
special consideration of the Administration.
9 Portable plates on bulkheads shall not be permitted except in machinery
spaces. The Administration may permit not more than one power-operated
sliding watertight door larger than those specified in paragraph 6.1.2 to be
substituted for these portable plates in each watertight bulkhead, provided
these doors are intended to remain closed during navigation except in case
of urgent necessity at the discretion of the master. These doors need not
meet the requirements of paragraph 6.1.4 regarding complete closure by
hand-operated gear in 90 s.
10.1 Where trunkways or tunnels for access from crew accommodation to the
machinery spaces, for piping, or for any other purpose are carried through
watertight bulkheads, they shall be watertight and in accordance with the
requirements of regulation 16-1. The access to at least one end of
each such tunnel or trunkway, if used as a passage at sea, shall be through
a trunk extending watertight to a height sufficient to permit access above
the bulkhead deck. The access to the other end of the trunkway or tunnel may
be through a watertight door. Such trunkways or tunnels shall not extend
through the first subdivision bulkhead abaft the collision bulkhead.
10.2 Where it is proposed to fit tunnels piercing watertight bulkheads, these
shall receive the special consideration of the Administration.
10.3 Where trunkways in connection with refrigerated cargo and ventilation or
forced draught trunks are carried through more than one watertight bulkhead,
the means of closure at such openings shall be operated by power and be
capable of being closed from a central position situated above the bulkhead
deck."
Regulation 15 – Openings in the shell plating below the bulkhead deck
of passenger ships and the freeboard deck of cargo ships
7 Paragraph 9 is replaced by the following:
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"9 For ships subject to the provisions of regulation 1.1.1.1 and
constructed before 1 January 2024, gangway, cargo and fuelling ports fitted
below the bulkhead deck of passenger ships and the freeboard deck of cargo
ships shall be watertight and in no case be so fitted as to have their
lowest point below the deepest subdivision draught.ʺ
8 The following new paragraph 10 is inserted after new paragraph 9 and
existing paragraphs 10.1 and 10.2 are deleted.
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ʺ10 For ships constructed on or after 1 January 2024, cargo ports
and other similar openings (e.g. gangway and fuelling ports) in the side of
ships below the bulkhead deck of passenger ships and the freeboard deck of
cargo ships shall be fitted with doors so designed as to ensure the same
watertightness and structural integrity as the surrounding shell plating.
Unless otherwise granted by the Administration, these openings shall open
outwards. The number of such openings shall be the minimum compatible with
the design and proper working of the ship. In no case shall these openings
be so fitted as to have their lowest point below the deepest subdivision
draught.ʺ
Regulation 16 – Construction and initial tests of watertight closures
9 Paragraph 1.1 is replaced by the following:
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"1.1 The design, materials and construction of all watertight
closures such as doors, hatches, sidescuttles, gangway and cargo ports,
valves and pipes referred to in these regulations shall be to the
satisfaction of the Administration."
Regulation 17 – Internal watertight integrity of passenger ships above the
bulkhead deck
10 Paragraph 1 is replaced by the following:
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"1 For passenger ships subject to the provisions of regulation
1.1.1.1 and constructed before 1 January 2024, the Administration may
require that all reasonable and practicable measures shall be taken to limit
the entry and spread of water above the bulkhead deck. Such measures may
include partial bulkheads or webs. When partial watertight bulkheads and
webs are fitted on the bulkhead deck, above or in the immediate vicinity of
watertight bulkheads, they shall have watertight shell and bulkhead deck
connections so as to restrict the flow of water along the deck when the ship
is in a heeled damaged condition. Where the partial watertight bulkhead does
not line up with the bulkhead below, the bulkhead deck between shall be made
effectively watertight. Where openings, pipes, scuppers, electric cables,
etc. are carried through the partial watertight bulkheads or decks within
the immersed part of the bulkhead deck, arrangements shall be made to ensure
the watertight integrity of the structure above the bulkhead deck.footnote"
11 The following new paragraphs 2 and 3 are inserted after new paragraph 1 and the
subsequent paragraphs are renumbered accordingly:
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"2 For ships constructed on or after 1 January 2024, the internal
watertight subdivision arrangements to limit the entry and spread of water
above the bulkhead deck shall be in accordance with the design arrangements
necessary for compliance with the stability requirements in parts B-1, and B-2 if applicable. Where pipes, scuppers, electric
cables, etc. are carried through internal watertight boundaries that are
immersed at any intermediate or final stage of flooding in damage cases that
contribute to the attained subdivision index A, arrangements shall be
made to ensure their watertight integrity.
3 For ships constructed on or after 1 January 2024, doors in internal
watertight subdivision arrangements above the bulkhead deck, and also above
the worst intermediate or final stage of flooding waterlines, shall be
capable of preventing the passage of water when immersed in the required
range of positive stability for any damage cases contributing to the
attained subdivision index A. These doors may remain open provided
they can be remotely closed from the navigation bridge. They shall always be
ready to be immediately closed."
Regulation 17-1 – Integrity of the hull and superstructure, damage prevention and
control on ro-ro passenger ships
12 Paragraphs 1.1 to 1.3 are replaced by the following:
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"1.1 All access from the ro-ro deck that leads to spaces below
the bulkhead deck shall have a lowest point which is not less than 2.5 m
above the bulkhead deck, unless the access is covered by the provisions of
paragraphs 1.2 or 1.3.
1.2 Where vehicle ramps are installed to give access to spaces
below the bulkhead deck, their openings shall be able to be closed
weathertight to prevent ingress of water below and fitted with alarms and
open/close indicators on the navigation bridge. The means of closure shall
be watertight if the deck is intended as a watertight horizontal boundary
under regulation 7-2.6.
1.3 Subject to regulations 23.3 and 23.6, the Administration may
permit the fitting of particular accesses to spaces below the bulkhead deck
provided they are necessary for the essential working of the ship, e.g. the
movement of machinery and stores, and subject to such accesses being made
watertight, fitted with alarms and open/close indicators on the navigation
bridge."
Part B-4 - Stability management
Regulation 19 – Damage control informationfootnote
13 The following new paragraph 5 is inserted after existing paragraph 4:
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"5 For passenger ships constructed on or after 1 January 2024,
and to which regulation 8-1.3 applies, the damage control information shall
include a reference to activation of damage stability support from the
onboard stability computer, if installed, and to shore-based support when
provided."
Regulation 21 – Periodical operation and inspection of watertight doors, etc., in
passenger ships
14 Paragraph 1 is replaced by the following:
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"1 Operational tests of watertight doors, sidescuttles, valves
and closing mechanisms of scuppers shall take place weekly. In ships in
which the voyage exceeds one week in duration, a complete set of operational
tests shall be held before the voyage commences, and others thereafter at
least once a week during the voyage."
Regulation 22 – Prevention and control of water ingress, etc.
15 In paragraphs 1 and 4, existing reference to "regulation 13.10" is replaced by the
reference to "regulation 13.9".
16 Paragraphs 5 and 6 are replaced by the following:
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"5 Watertight doors fitted in watertight bulkheads dividing cargo
spaces on tween decks in accordance with regulation 13.8.1 shall be closed
before the voyage commences and shall be kept closed during navigation. The
time at which such doors are opened or closed shall be recorded in such
logbook as may be prescribed by the Administration.
6 For ships subject to the provisions of regulation 1.1.1.1 and
constructed before 1 January 2024, gangway, cargo and fuelling ports fitted
below the bulkhead deck of passenger ships and the freeboard deck of cargo
ships shall be effectively closed and secured watertight before the voyage
commences, and shall be kept closed during navigation."
17 A new paragraph 7 is inserted after existing paragraph 6 and the subsequent
paragraphs are renumbered accordingly:
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"7 For ships constructed on or after 1 January 2024, gangway,
cargo and fuelling ports fitted below the bulkhead deck of passenger ships
and the freeboard deck of cargo ships and all watertight hatches shall be
effectively closed and secured watertight before the voyage commences, and
shall be kept closed during navigation. However, the master may permit a
watertight hatch to be opened during navigation for a limited period of time
sufficient to permit passage or for access. It shall then be closed."
18 In the renumbered paragraph 8.2, existing reference to "paragraph 7.1" is replaced
by reference to "paragraph 8.1".
19 In the renumbered paragraph 8.4, existing text "paragraphs 7.1 to 7.3 " is
replaced by "paragraphs 8.1 to 8.3".
20 In the renumbered paragraph 10, existing text "paragraphs 7.1 and 7.4" is replaced
by "paragraphs 8.1 and 8.4".
21 In the renumbered paragraph 11, existing reference to "paragraph 7" is replaced by
reference to "paragraph 8".
22 In the renumbered paragraph 12, existing reference to "paragraph 12" is replaced
by reference to "paragraph 13" and the existing reference to "paragraph 13" is
replaced by reference to "paragraph 14".
23 Renumbered paragraph 14.2 is replaced by:
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".2 For any ship that has one or more sidescuttles so placed that
the requirements of paragraph 14 would apply when it was floating at its
deepest subdivision draught, the Administration may indicate the limiting
mean draught at which these sidescuttles will have their sills above the
line drawn parallel to the bulkhead deck at side of passenger ships and the
freeboard deck at side of cargo ships, and having its lowest point 1.4 m
plus 2.5% of the breadth of the ship above the waterline corresponding to
the limiting mean draught, and at which it will therefore be permissible for
the voyage to commence without them being closed and locked and to be opened
during navigation on the responsibility of the master. In tropical zones as
defined in the International Convention on Load Lines, 1966 in force, this
limiting draught may be increased by 0.3 m."
24 Renumbered paragraph 17 is deleted.
Regulation 23 – Special requirements for ro-ro passenger ships
25 In paragraph 5, existing reference to "regulation 22.12" is replaced by reference
to "regulation 22.13".
Part D - Electrical installations
Regulation 42 – Emergency source of electrical power in passenger ships
26 In paragraph 4.2, existing reference to "regulation 13.7.3.3" is replaced by
reference to "regulation 13.6.3.3" and existing reference to "regulation 13.7.2" is
replaced by reference to "regulation 13.6.2".
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