Regulation 7.8.3 Degree of protection
and audibility of two-way portable telephone apparatus
used in special cargo spaces
1 On ships
provided with special category spaces, ro-ro spaces or cargo
spaces for the carriage of dangerous goods, the two-way
portable telephone apparatus should be of certified safe
type for use in zone 1 areas as defined in IEC Publication
60079 - Electrical Apparatus for Explosive Gas Atmospheres.
2 Two-way
portable telephone apparatus should be audible from most
parts of the ship. As a minimum, they should be audible
where the fire patrol makes their rounds such as key box
locations and the routes specified on fire patrol checklist.
If necessary, extra antennas should be fitted to obtain
effective communication.
Regulation 8.2 Equally effective local ventilation
closing arrangements for control stations
Equally effective local
closing arrangements means that in case of ventilators these
should be fitted with fire dampers or smoke dampers which
could be closed easily within the control station in order
to maintain the absence of smoke in the event of fire.
Regulation 8.3.3
Location of ventilation controls in category A machinery
spaces
In machinery spaces of
category A, controls to close off ventilation ducts and
pipes should be installed with due regard to the hot gases
produced by a fire in the space concerned.
Regulation 8.4 Construction and
location of draught stops
1 Any of the
following methods of construction may be used to construct
draught stops:
.1 the extension of the "B" Class
bulkhead, ceiling or lining;
.2 the extension of the "C" Class
bulkhead, ceiling or lining;
.3 1 mm thick minimum steel sheet,
stiffened where necessary, intermittently welded to the
ship’s structure and the top profile of the bulkhead, or
fastened mechanically to the ceilings or linings;
.4
non-combustible board type material fastened mechanically to
the ship’s structure, bulkheads, ceilings or linings; or
.5
non-combustible mineral wool insulation, not less than 20 mm
in thickness, faced on each side with expanded metal mesh,
the mesh on one side being attached to the ship’s structure,
or expanded metal mesh may be fitted on one side and
non-combustible cloth (glass-cloth) on the other side of
mineral wool insulation. Other equivalent arrangements may
be accepted.
2
Draught stops are not required in public spaces with open
ceilings (perforated ceilings) with openings of 40% or more.
Regulation 8.5
Arrangement of exhaust fans for smoke extraction
systems
The application of this
regulation does not imply the arrangement of additional
exhaust fans other than those normally dedicated to the
space considered, if these latter fans are of sufficient
size to meet the required capacity.
Regulation 9.2.2.1 Main vertical zones
and horizontal zones
If a stairway serves two
main vertical zones, the maximum length of one main vertical
zone should be measured from the far side of the main
vertical zone stairway enclosure. In this case, all
boundaries of the stairway enclosure be insulated as main
vertical zone bulkheads and access doors leading into the
stairway should be provided from the zones (see figures 1 to
4 for regulation 9.2.2.1 in the appendix). However, the
stairway should not be included in calculating the size of
the main vertical zone if it is treated as its own main
vertical zone.
Regulation 9.2.2.2.2.1 Construction of extended
bulkhead behind continuous ceilings or linings
The extension of the
bulkhead should be made of non-combustible material and the
construction of the extension should correspond to the fire
class of extended bulkhead. If the extended bulkhead is of
B-0, then the extension may be made of thin steel plates of
1 mm thickness and tightened (e.g. with mineral wool).
Alternatively, B-0 class extensions may be constructed of a
suitably supported mineral wool (density at least 100 kg/m3,
thickness at least 50 mm).
Regulation 9.2.2.2.3 Bulkheads within a
main vertical zone
Refer to MSC/Circ.917
Regulation
9.2.2.3.2.2 (7) Electrical distribution boards
Distribution boards may
be located behind panels/linings within accommodation spaces
including stairway enclosures, without the need to
categorize the space, provided no provision is made for
storage.
If distribution
boards are located in an identifiable space having a deck
area of less than 4 m2, this space may be categorized in
(7), according to regulation 9.2.2.3.2.2, or (5), according
to regulations 9.2.2.4.2.2, 9.2.3.3.2.2 and 9.2.4.2.2.2
Regulation
9.2.2.3.2.2 (7) Devices in diet kitchens
Diet kitchens
(containing no open flame) should be in compliance with the
interpretation for pantries as stated under regulation 3.1.
Regulation
9.2.2.4.2.2 (5) Electrical distribution boards
Distribution boards may
be located behind panels/linings within accommodation spaces
including stairway enclosures, without the need to
categorize the space, provided no provision is made for
storage.
If distribution
boards are located in an identifiable space having a deck
area of less than 4 m2, this space may be categorized in
(7), according to regulation 9.2.2.3.2.2, or (5), according
to regulations 9.2.2.4.2.2, 9.2.3.3.2.2 and 9.2.4.2.2.2.
Regulation 9.2.2.4.5
Construction and arrangements of saunas
The space categories
mentioned in regulation 9.2.2.3.4.1 should be replaced, when
applying this regulation, by (5), (7) and (10).
table 9.3
table 9.4
Interpretation of
machinery spaces having little or no fire risk
For the definition of
machinery spaces having little or no fire risk in footnote
"f" see regulation 9.2.2.3.2.2 (10).
Regulation 9.2.3.1.1.3 Increased area
of public spaces
The area of public
spaces may be permitted to increase up to 75 m2.
Regulation 9.2.3.2.4
Increased area of public spaces
The area of public
spaces may be permitted to increase up to 75 m2.
table 9.5
table 9.6
Interpretation of
machinery spaces having little or no fire risk
For the definition of
machinery spaces having little or no fire risk in footnote
"i" see regulation 9.2.2.3.2.2 (10).
Regulation 9.2.3.3.2.2 (5) Electrical
distribution boards
Distribution boards may
be located behind panels/linings within accommodation spaces
including stairway enclosures, without the need to
categorize the space, provided no provision is made for
storage.
If distribution
boards are located in an identifiable space having a deck
area of less than 4 m2, this space may be categorized in
(7), according to regulation 9.2.2.3.2.2, or (5), according
to regulations 9.2.2.4.2.2, 9.2.3.3.2.2 and 9.2.4.2.2.2.
Regulation 9.2.3.3.5
Construction and arrangements of saunas
The space categories
mentioned in regulation 9.2.2.3.4.1 should be replaced, when
applying this regulation, to categories (5), (7) and (10).
Regulation
9.2.3.4.1 Construction of protected stairways
The required protection
of stairways penetrating more than a single deck can be
achieved by:
.1 a stairway enclosure allowing
access from one stair to a superimposed stair within such
enclosure, the entrances to which should consist
self-closing "A" class fire doors at each deck level (see
figure 1 of regulation 9.2.3.4.1 in the appendix); or
.2 a stairway
enclosure enclosing the stairs only, in combination with
self-closing "A" class fire doors at each deck-level and at
each end of a stair. No requirements apply to the stairs
except that they should be of steel frame structure or be
made of equivalent material (see figure 2.1 of regulation
9.2.3.4.1 in the appendix); or
.3 stairways that penetrate only
one single deck should be protected, at a minimum, at one
level by at least .B-0. class division and self-closing
doors (see figure 2.2 of regulation 9.2.3.4.1 in the
appendix). Regulation 9.2.3.4.1 Construction of
dumb-waiters
Dumb-waiters are to be
regarded as lifts.
Regulation 9.2.4.2.2.2 (5) Electrical distribution
boards
Distribution boards may
be located behind panels/linings within accommodation spaces
including stairway enclosures, without the need to
categorize the space, provided no provision is made for
storage.
If distribution
boards are located in an identifiable space having a deck
area of less than 4 m2, this space may be categorized in
(7), according to regulation 9.2.2.3.2.2, or (5), according
to regulations 9.2.2.4.2.2, 9.2.3.3.2.2 and 9.2.4.2.2.2
Regulation 9.2.4.2.7
Construction and arrangements of saunas
The space categories
mentioned in regulation 9.2.2.3.4.1 should be replaced, when
applying this regulation, by (5), (7) and (10).
table 9.7
table 9.8
Interpretation of
machinery spaces having little or no fire risk
For the definition of
machinery spaces having little or no fire risk in footnote
"e" see regulation 9.2.2.3.2.2 (10).
Regulation 9.3.1
Reference to resolution
A.753(18)
Reference is
made to resolution A.753(18) . Guidelines for the
application of plastic pipes on ships.
Regulation 9.3.4 Prevention of heat
transmission by insulation and structural details for
drainage
1 Details of
measures to be adopted for avoiding heat transmission at
intersections and terminal points of insulation of decks or
bulkheads are given in figures 1 and 2 of regulation 9.3.4
in the appendix.
Alternative details may be accepted provided that the
effectiveness of such design is verified by an appropriate
test in the same manner as those specified in the FTP Code.
2 In the case
where the lower part of insulation has to be cut for
drainage, the construction should be in accordance with the
structural details as given in figure 3 for regulation 9.3.4
in the appendix.
Regulation 9.4.1.1 Reference to MSC/Circ.541
Reference is made to
MSC/Circ.541 - Guidance notes on the integrity of flooding
boundaries above the bulkhead deck of passenger ships for
proper application of regulations II-1/8 and 20, paragraph
1, of the 1974 SOLAS Convention, as amended.
Regulation 9.4.1.1.2
Doors in divisions of a higher standard and fire testing
of watertight doors
1 Where required
divisions are replaced by divisions of a higher standard,
the door need only conform to the required division.
2 Watertight
doors constructed in accordance with SOLAS regulation
II-1/15 and fitted below the bulkhead deck that are required
to be watertight need not be tested to the FTP Code provided
that the doors meet the requirements for water tightness in
SOLAS regulation II-1/18. Doors fitted above the bulkhead
deck, which are required to meet both the fire protection
and watertight requirements (see MSC/Circ.541), should be
tested to the FTP Code.
Regulation 9.4.1.1.4.6 Lift door indicators located
in continuously manned central control station
Lift door indication
signals should meet the following:
.1 the signal
showing that "A" class lift doors are in the closed position
should be activated only when the order to close the main
fire doors has been given by the continuously manned central
control station; and
.2 when there are several lifts giving access
to the same stairway, the lift door indicators located in
the continuously manned central control station should be
capable of indicating that all the lift doors giving access
to the same landing are properly closed.
This indication should be shown on
the panel. Regulation 9.4.1.1.8 Type of means of manual
closing of fire dampers
Manual closing may be
achieved by mechanical means of release or by remote
operation of the fire damper by means of a fail-safe
electrical switch or pneumatic release (spring-loaded, etc.)
on both sides of the division.
Regulation 9.4.1.3 Reference is made to
the following ISO standards:
ISO 614:1989
Shipbuilding and marine structures - Toughened safety glass
panes for rectangular windows and side scuttles - Punch
method of non-destructive strength testing
ISO 1095:1989 Shipbuilding and
marine structures - Toughened safety glass panes for side
scuttles
ISO 1751:1993
Shipbuilding and marine structures - Ship’s side scuttles
ISO 3254:1989
Shipbuilding and marine structures - Toughened safety glass
panes for rectangular windows
ISO 3903:1993 Shipbuilding and marine
structures - Ships’ ordinary rectangular windows
ISO 3904:1990
Shipbuilding and marine structures - Clear view screens
Regulation 9.4.2.1
Doors in divisions of a higher standard
Where required divisions
are replaced by divisions of a higher standard, the door
need only conform to the required division.
Doors in fire-resisting divisions
of cargo ships
Steel or equivalent
material is acceptable for the construction of doors and
door frames in .A. class divisions.
Regulation 9.7 Definition of .free
sectional area.
The term .free sectional
area. means, even in the case of a pre-insulated duct, the
area calculated on the basis of the inner diameter of the
duct.
Regulation
9.7.3.1.2 Type of means of closing
Manual closing may be
achieved by mechanical means of release or by remote
operation of the fire damper by means of a fail-safe
electrical switch or pneumatic release (spring-loaded, etc.)
on both sides of the division.
Regulation 9.7.4.3 Ventilation system
penetrating decks
A duct, irrespective of
its cross section, serving more than one tweendeck should be
fitted, near the penetration of each deck served, with a
fire or smoke damper.
Such dampers should close automatically by means of a
fusible link or other suitable device, and manually from the
deck in which the passage of smoke, due to a fire in the
deck immediately below which is served by the same duct,
will be avoided.
Where,
within a main vertical zone, a fan serves more than one
tweendeck through separate ducts, each of these dedicated to
a single tweendeck, each duct should be provided with a
manually operated smoke damper fitted close to the fan.
Regulation 9.7.5.1.2
Meaning of .lower end of the duct. and .upper end of the
duct. in galley range ducts
1 "Lower end of
the duct" means a position at the junction between the duct
and the galley range hood. (See also interpretation of
regulation 41-2.4.3.2.)
2 "Upper end of the duct" means a position
close to the outlet of the duct.
Regulation 9.7.5.1.5 Location of
hatches for inspection and cleaning in galley range
ducts
1 One hatch
should be provided close to the exhaust fan.
2 In the galley
exhaust duct, the grease will accumulate more in the lower
end. Therefore, hatches should be fitted also in this part
of the duct.
Regulation 10.2.1.1 Prevention of freezing in
pipes
Special attention should
be given to the design of the continuously pressurized
pipelines for prevention of freezing in pipes where low
temperatures may exist.
Regulation 10.2.1.5.1 Location of hydrant in
machinery spaces
At least one hydrant
with hose, nozzle and coupling wrench should be provided in
machinery spaces of category A.
Regulation 10.2.2.3.2.2 Electrical
cables for the emergency fire pump
The electrical cables to
the emergency fire pump are not to pass through the
machinery spaces containing the main fire pumps and their
source(s) of power and prime mover(s). They are to be of a
fire resistant type, in accordance with IACS unified
Requirement E 15 Electrical
Services Required to be Operable Under
Fire Conditions and Fire Resistant Cables, paragraph 1,
where they pass through other high fire risk areas.
Regulation 10.2.2.3.3
Connection of a pump to fire main
This paragraph does not
force designers to choose pumps with capacity and pressure
characteristics other than that being optimal for the
service intended, just to make their connection to the fire
main possible, provided the required number and capacity of
fire pumps are already fitted.
Regulation 10.4.3 Storage rooms for
fire-extinguishing medium
The following
requirements are applicable only for the storage rooms for
fire-extinguishing media of fixed gas fire-extinguishing
systems:
.1 the storage room should be used for
no other purposes (last part of the first sentence*);
.2 if the storage
space is located below deck, it should be located no more
than one deck below the open deck and should be directly
accessible by a stairway or ladder from the open deck (3rd
sentence);
.3
spaces which are located below deck or spaces where access
from the open deck is not provided, should be fitted with a
mechanical ventilation system designed to take exhaust air
from the bottom of the space and should be sized to provide
at least 6 air changes per hour (4th sentence); and
.4 access doors
should open outwards, and bulkheads and decks including
doors and other means of closing any opening therein, which
form the boundaries between such rooms and adjacent enclosed
spaces should be gas tight (5th sentence). _____________|
* Refers to the sentences in
regulation 10.4.3.Regulation 10.5 Fire
extinguishing arrangements in machinery spaces
The number of systems,
appliance and extinguisher required by regulation 10.5 are
summarized in the table for regulation 10.5 in the appendix.
Regulation
10.5.2.2.2 Relaxation of fire-extinguishing equipment
for cargo ships
A relaxation for cargo
ships should be accepted as follows:
- The 45 l foam type extinguisher or its
equivalent may be arranged outside of the space concerned.
Regulation
10.5.6.3.1 Definition of areas to be protected by local
application systems (internal combustion machinery)
Hot surfaces such as
exhaust pipes without insulation or with insulation likely
to be removed frequently for maintenance and high-pressure
fuel oil systems installed nearby the hot surfaces should be
protected.
The term
.insulation likely to be removed frequently. means
insulation fitted in accordance with the requirements of
regulation 4.2.2.6.1, but which might not be secured firmly
because it may be removed frequently for periodic
maintenance, such as pipes between cylinders and exhaust
manifold.
For typical
diesel engines, the area on top of the engine, fuel oil
injection pumps and turbo chargers should be protected.
Where the fuel oil injection pumps are located in sheltered
position such as under the steel platform, the pump need not
be protected by the system.
Regulation 10.5.6.3.2 Definition of
areas to be protected by local application systems
(boiler fronts)
The area around the
burners without insulation or with insulation likely to be
removed frequently for maintenance should be protected. The
term .insulation likely to be removed frequently. means
insulation fitted in accordance with the requirements of
regulation 4.2.2.6.1, but which might not be secured firmly
because it may be removed frequently for periodic
maintenance.
Oil-fired
inert gas generators should be also protected in the same
manner.
Regulation
10.5.6.3.3 Definition of areas to be protected by local
application systems (incinerators)
The area around the
burner(s) without insulation or with insulation likely to be
removed frequently for maintenance should be protected. The
term .insulation likely to be removed frequently. means
insulation fitted in accordance with the requirements of
regulation 4.2.2.6.1, but which might not be secured firmly
because it may be removed frequently for periodic
maintenance.
Regulation 10.7.1.3 Cargo spaces for which a fixed
fire-extinguishing system is ineffective and reference
to MSC/Circ.671
For cargoes for which a
fixed gas fire-extinguishing system is ineffective and for
which a fireextinguishing system giving equivalent
protection should be available, reference is made to
MSC/Circ.671, annex, and table 2.
Regulation 10.7.2 Equivalent
protection
Water supplies defined
in regulation 19.3.1.2 are considered as an acceptable
protection for cargoes listed in table 2 of MSC/Circ. 671.
Ships carrying
dangerous goods on deck only
Any cargo space in a
ship engaged in the carriage of dangerous goods on deck or
in cargo spaces should be provided with a fixed gas
fire-extinguishing system complying with the provisions of
the FSS Code or with a fire-extinguishing system which, in
the opinion of the Administration, gives equivalent
protection for the cargoes carried.
Regulation 11.3.1 Insulation of
aluminium decks and interpretation of .load-bearing
divisions.
1 If an aluminium
deck is tested with insulation installed below the deck,
then the result will apply to decks, which are bare on the
top. Aluminium decks may not be provided with deck coverings
on the top unless tested with the deck covering, to verify
that the 200°C temperature of the aluminium is not exceeded.
However, when needed, any approved primary deck covering
(not specifically the one used during the standard fire test
of the deck) may be used for meeting this requirement.
2 When spaces of
categories (1) to (10) in regulation 9.2.2.3 or of
categories (1) to (5) and (10) in regulation 9.2.2.4 are
located on top of aluminium decks, the deck does not need to
be insulated from the upper side, provided the deck is
protected by an approved deck covering.
3 .Load-bearing division. is
a deck or bulkhead including stiffeners, pillars, stanchions
and other structural members which, if eliminated, would
adversely affect the designated structural strength of the
ship.
Regulation
11.6.2.2 Area classification and selection of electrical
equipment
1 Areas on open
deck, or semi-enclosed spaces on open deck, within 3 m of
cargo tank ventilation outlets which permit the flow of
small volumes of vapor, air or inert gas mixtures caused by
thermal variation are defined as Zone 1. Permitted
electrical equipment:
-
Certified safe type equipment for Zone 1.
2 Areas within 2 m beyond the
zone specified in 1 above are defined as Zone 2. Permitted
electrical equipment:
-
Certified safe type equipment for Zone 1,
- Equipment of a type, which ensures
the absence of sparks, .hot spots. during its normal
operation,
- Equipment
having an enclosure filled with a liquid dielectric, the
application, or encapsulated,
- Pressurised equipment,
- Equipment specifically designed
for Zone 2 (for example type .n. protection in accordance
with IEC Publication 60079-15).
Note: Zones 1 and 2 are
those defined in IEC Publication IEC 60092
Electrical installations in ships - Part 502:
Tankers - Special features.Regulation 11.6.2.2
Electrical equipment in areas next to cargo tank
ventilation outlets which permit flow of small volumes
of vapour
Permitted electrical
equipment:
.1 Areas on open deck within 3 m of
cargo tank ventilation outlets which permit the flow of
small volumes of vapour caused by thermal variation:
- certified safe type
equipment.
.2
Areas 2 m beyond the zone specified in .1 above:
- certified safe type
equipment; or
-
equipment of a type which ensures absence of sparks or arcs
and absence of ignition capable surface during normal
operation; or
-
equipment specifically designed for Zone 2 as defined in IEC
Publication 60092 Electrical installations in ships - Part
502: Tankers - Special features.