Regulation 19 - Carriage of
dangerous goods
footnote
1 Purpose
The purpose of this regulation is to provide additional
safety measures in order to address the fire safety objectives of
this chapter for ships carrying dangerous goods. For this purpose,
the following functional requirements shall be met:
-
.1 fire protection systems shall be provided
to protect the ship from the added fire hazards associated with carriage
of dangerous goods;
-
.2 dangerous goods shall be adequately separated
from ignition sources; and
-
.3 appropriate personnel protective equipment
shall be provided for the hazards associated with the carriage of
dangerous goods.
2 General requirements
2.1 In addition to complying with the requirements
of regulations in parts B, C, D, E and regulations
18 and 20
footnote, as appropriate, ship types and cargo spaces,
referred to in paragraph 2.2, intended for the carriage of dangerous
goods shall comply with the requirements of this regulation, as appropriate,
except when carrying dangerous goods in limited quantities and excepted
quantitiesfootnote unless such requirements have
already been met by compliance with the requirements elsewhere in
this chapter. The types of ships and modes of carriage of dangerous
goods are referred to in paragraph 2.2 and in table 19.1. Cargo ships of less
than 500 gross tonnage shall comply with this regulation, but Administrations
may reduce the requirements and such reduced requirements shall be
recorded in the document of compliance referred to in paragraph 4.
2.2 The following ship types and cargo spaces
shall govern the application of tables
19.1 and 19.2:
-
.1 ships and cargo spaces not specifically designed
for the carriage of freight containers, but intended for the carriage
of dangerous goods in packaged form including goods in freight containers
and portable tanks;
-
.2 purpose-built container ships and cargo spaces
intended for the carriage of dangerous goods in freight containers
and portable tanks;
-
.3 ro-ro ships and ro-ro spaces intended for the
carriage of dangerous goods;
-
.4 ships and cargo spaces intended for the carriage
of solid dangerous goods in bulk; and
-
.5 ships and cargo spaces intended for carriage
of dangerous goods other than liquids and gases in bulk in shipborne
barges.
3 Special requirements
Unless otherwise specified, the following requirements shall
govern the application of tables
19.1, 19.2 and 19.3 to both "on-deck" and "under-deck"
stowage of dangerous goods where the numbers of the following paragraphs
are indicated in the first column of the tables.
Table 19.1 Application of the
requirements to different modes of carriage of dangerous goods in ships and cargo
spaces
| Where X appears in table 19.1 it means this requirement is applicable
to all classes of dangerous goods as given in the appropriate line of
table 19.3, except as indicated by the notes.
|
| Regulation 19.2.2
|
|
.1
|
.2
|
.3
|
.4
|
.5
|
| Regulation 19
|
Weather decks .1 to .5 inclusive
|
Not specifically designed
|
Container cargo spaces
|
Closed ro-ro spaces5
|
Open ro-ro spaces
|
Solid dangerous goods in bulk
|
Shipbourne barges
|
| .3.1.1
|
X
|
X
|
X
|
X
|
X
|
For
application of requirements of regulation 19 to different classes of
dangerous goods, see table 19.2
|
X
|
| .3.1.2
|
X
|
X
|
X
|
X
|
X
|
-
|
| .3.1.3
|
-
|
X
|
X
|
X
|
X
|
X
|
| .3.1.4
|
-
|
X
|
X
|
X
|
X
|
X
|
| .3.2
|
-
|
X
|
X
|
X
|
X
|
X4
|
| .3.3
|
-
|
X
|
X
|
X
|
-
|
X4
|
| .3.4.1
|
-
|
X
|
X1
|
X
|
-
|
X4
|
| .3.4.2
|
-
|
X
|
X1
|
X
|
-
|
4
|
| .3.5
|
-
|
X
|
X
|
X
|
-
|
| .3.6.1
|
X
|
X
|
X
|
X
|
X
|
-
|
| .3.6.2
|
X
|
X
|
X
|
X
|
X
|
-
|
| .3.7
|
X
|
X
|
-
|
-
|
X
|
-
|
| .3.8
|
X
|
X
|
X2
|
X
|
X
|
-
|
| .3.9
|
-
|
-
|
-
|
X3
|
X
|
-
|
| .3.10.1
|
-
|
-
|
-
|
X
|
-
|
-
|
| .3.10.2
|
-
|
-
|
-
|
X
|
-
|
-
|
| Notes:
1 For classes 4 and 5.1 solids not
applicable to closed freight containers. For classes 2, 3, 6.1 and 8
when carried in closed freight containers, the ventilation rate may be
reduced to not less than two air changes per hour. For classes 4 and
5.1 liquids when carried in closed freight containers, the ventilation
rate may be reduced to not less than two air changes per hour. For the
purpose of this requirement, a portable tank is a closed freight
container.
2 Applicable to decks only.
3 Applies only to closed ro-ro spaces,
not capable of being sealed.
4 In the special case where the barges
are capable of containing flammable vapours or alternatively if they
are capable of discharging flammable vapours to a safe space outside
the barge carrier compartment by means of ventilation ducts connected
to the barges, these requirements may be reduced or waived to the
satisfaction of the Administration.
5 Special category spaces shall be
treated as closed ro-ro spaces when dangerous goods are
carried.
|
Table 19.2 Application of the
requirements to different classes of dangerous goods for ships and cargo spaces
carrying solid dangerous goods in bulk
| Class
|
4.1
|
4.2
|
4.36
|
5.1
|
6.1
|
8
|
9
|
| Regulation 19
|
|
|
|
|
|
|
|
| .3.1.1
|
X
|
X
|
-
|
X
|
-
|
-
|
X
|
| .3.1.2
|
X
|
X
|
-
|
X
|
-
|
-
|
X
|
| .3.2
|
X
|
X7
|
X
|
X8
|
-
|
-
|
X8
|
| .3.4.1
|
-
|
X7
|
X
|
-
|
-
|
-
|
-
|
| .3.4.2
|
X9
|
X7
|
X
|
X7.9
|
-
|
-
|
X7.9
|
| .3.4.3
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
| .3.6
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
| .3.8
|
X
|
X
|
X
|
X7
|
-
|
-
|
X10
|
| Notes:
6 The hazards of substances in this class
which may be carried in bulk are such that special consideration must
be given by the Administration to the construction and equipment of
the ship involved in addition to meeting the requirements enumerated
in this table.
7 Only applicable to Seedcake containing
solvent extractions, to Ammonium nitrate and to Ammonium nitrate
fertilizers.
8 Only applicable to Ammonium nitrate and
to Ammonium nitrate fertilizers. However, a degree of protection in
accordance with standards contained in the International
Electrotechnical Commission publication 60079, Electrical Apparatus
for Explosive Gas Atmospheres, is sufficient.
9 Only suitable wire mesh guards are
required.
10 The requirements of the International Maritime Solid Bulk Cargoes (IMSBC) Code, as
amended, are sufficient.
|
Table 19.3 Application of the
requirements to different classes of dangerous goods except solid dangerous goods
in bulk
| Class
|
1.1 to 1.6
|
1.4S
|
2.1
|
2.2
|
2.3
|
2.3
|
3
|
3
|
4.1
|
4.2
|
4.3
|
4.3
|
5.1
|
5.2
|
6.1
|
6.1
|
6.1
|
6.1
|
8
|
8
|
8
|
8
|
9
|
| Regulation 19
|
|
|
|
|
flammable
20
|
non-flammable
|
FP15
<23°C
|
FP15
≥ 23°C to ≤ 60°C
|
|
|
liquids
21
|
solids
|
|
16
|
liquids
FP15
<23°C
|
liquids
FP15
≥ 23°C to ≤ 60°C
|
liquids
|
solids
|
liquids
FP15
<23°C
|
liquids
FP15
≥ 23°C to ≤ 60°C
|
liquids
|
solids
|
|
| 3.1.1
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
| 3.1.2
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
-
|
| 3.1.3
|
X
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
| 3.1.4
|
X
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
| 3.2
|
X
|
-
|
X
|
-
|
X
|
-
|
X
|
-
|
-
|
-
|
X18
|
-
|
-
|
-
|
X
|
-
|
-
|
-
|
X
|
-
|
-
|
-
|
X17
|
| 3.3
|
X
|
X
|
X
|
X
|
-
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
-
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
-
|
| 3.4.1
|
-
|
-
|
X
|
-
|
-
|
X
|
X
|
-
|
X11
|
X11
|
X
|
X
|
X11
|
-
|
X
|
X
|
-
|
X11
|
X
|
X
|
-
|
-
|
X11
|
| 3.4.2
|
-
|
-
|
X
|
-
|
-
|
-
|
X
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
X
|
-
|
-
|
-
|
X
|
-
|
-
|
-
|
X17
|
| 3.5
|
-
|
-
|
-
|
-
|
-
|
-
|
X
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
X
|
X
|
X
|
-
|
X
|
X19
|
X19
|
-
|
-
|
| 3.6
|
-
|
-
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X14
|
| 3.7
|
-
|
-
|
-
|
-
|
-
|
-
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
-
|
X
|
X
|
-
|
-
|
X
|
X
|
-
|
-
|
-
|
| 3.8
|
X12
|
-
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X13
|
X
|
X
|
X
|
-
|
-
|
X
|
X
|
-
|
-
|
-
|
| 3.9
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
| 3.10.1
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
| 3.10.2
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
X
|
| Notes:
11 When "mechanically-ventilated spaces"
are required by the IMDG Code.
12 Stow 3 m horizontally away from the
machinery space boundaries in all cases.
13 Refer to the IMDG Code.
14 As appropriate to the goods to be
carried.
15 FP means flashpoint.
16 Under the provisions of the IMDG Code,
stowage of class 5.2 dangerous goods under deck or in enclosed ro-ro
spaces is prohibited.
17 Only applicable to dangerous goods
evolving flammable vapour listed in the IMDG Code.
18 Only applicable to dangerous goods
having a flashpoint less than 23ºC listed in the IMDG Code.
19 Only applicable to dangerous goods
having a subsidiary risk class 6.1.
20 Under the provisions of the IMDG Code,
stowage of class 2.3 having subsidiary risk class 2.1 under deck or in
enclosed ro-ro spaces is prohibited.
21 Under the provisions of the IMDG Code,
stowage of class 4.3 liquids having a flashpoint less than 23ºC under
deck or in enclosed ro-ro spaces is prohibited.
|
3.1 Water supplies
3.1.1 Arrangements shall be made to ensure immediate
availability of a supply of water from the fire main at the required
pressure either by permanent pressurization or by suitably placed
remote arrangements for the fire pumps.
3.1.2 The quantity of water delivered shall be
capable of supplying four nozzles of a size and at pressures as specified
in regulation 10.2, capable
of being trained on any part of the cargo space when empty. This amount
of water may be applied by equivalent means to the satisfaction of
the Administration.
3.1.3 Means shall be provided for effectively
cooling the designated underdeck cargo space by at least 5 l /min per square metre of the horizontal area of cargo spaces,
either by a fixed arrangement of spraying nozzles or flooding the
cargo space with water. Hoses may be used for this purpose in small
cargo spaces and in small areas of larger cargo spaces at the discretion
of the Administration. However, the drainage and pumping arrangements
shall be such as to prevent the build-up of free surfaces. The drainage
system shall be sized to remove no less than 125% of the combined
capacity of both the water spraying system pumps and the required
number of fire hose nozzles. The drainage system valves shall be operable
from outside the protected space at a position in the vicinity of
the extinguishing system controls. Bilge wells shall be of sufficient
holding capacity and shall be arranged at the side shell of the ship
at a distance from each other of not more than 40 m in each watertight
compartment. If this is not possible, the adverse effect upon stability
of the added weight and free surface of water shall be taken into
account to the extent deemed necessary by the Administration in its
approval of the stability information.footnote
3.1.4 Provision to flood a designated under-deck
cargo space with suitable specified media may be substituted for the
requirements in paragraph 3.1.3.
3.1.5 The total required capacity of the water
supply shall satisfy paragraphs 3.1.2 and 3.1.3, if applicable, simultaneously
calculated for the largest designated cargo space. The capacity requirements
of paragraph 3.1.2 shall be met by the total capacity of the main
fire pump(s), not including the capacity of the emergency fire pump,
if fitted. If a drencher system is used to satisfy paragraph 3.1.3,
the drencher pump shall also be taken into account in this total capacity
calculation.
3.2 Sources of ignition
Electrical equipment and wiring shall not be fitted in enclosed
cargo spaces or vehicle spaces unless it is essential for operational
purposes in the opinion of the Administration. However, if electrical
equipment is fitted in such spaces, it shall be of a certified safe
typefootnote for use in the dangerous environments
to which it may be exposed unless it is possible to completely isolate
the electrical system (e.g. by removal of links in the system, other
than fuses). Cable penetrations of the decks and bulkheads shall be
sealed against the passage of gas or vapour. Through runs of cables
and cables within the cargo spaces shall be protected against damage
from impact. Any other equipment which may constitute a source of
ignition of flammable vapour shall not be permitted.
3.3 Detection system
Ro-ro spaces shall be fitted with a fixed fire detection
and fire alarm system complying with the requirements of the Fire
Safety Systems Code. All other types of cargo spaces shall be fitted
with either a fixed fire detection and fire alarm system or a sample
extraction smoke detection system complying with the requirements
of the Fire Safety Systems Code. If a sample extraction smoke detection
system is fitted, particular attention shall be given to paragraph 2.1.3 in chapter 10 of the Fire Safety
Systems Code in order to prevent the leakage of toxic fumes into occupied
areas.
3.4 Ventilation arrangement
3.4.1 Adequate power ventilation shall be provided
in enclosed cargo spaces. The arrangement shall be such as to provide
for at least six air changes per hour in the cargo space based on
an empty cargo space and for removal of vapours from the upper or
lower parts of the cargo space, as appropriate.
3.4.2 The fans shall be such as to avoid the possibility
of ignition of flammable gas air mixtures. Suitable wire mesh guards
shall be fitted over inlet and outlet ventilation openings.
3.4.3 Natural ventilation shall be provided in
enclosed cargo spaces intended for the carriage of solid dangerous
goods in bulk, where there is no provision for mechanical ventilation.
3.5 Bilge pumping
3.5.1 Where it is intended to carry flammable
or toxic liquids in enclosed cargo spaces, the bilge pumping system
shall be designed to protect against inadvertent pumping of such liquids
through machinery space piping or pumps. Where large quantities of
such liquids are carried, consideration shall be given to the provision
of additional means of draining those cargo spaces.
3.5.2 If the bilge drainage system is additional
to the system served by pumps in the machinery space, the capacity
of the system shall be not less than 10 m3/h per cargo
space served. If the additional system is common, the capacity need
not exceed 25 m3/h. The additional bilge system need not
be arranged with redundancy.
3.5.3 Whenever flammable or toxic liquids are
carried, the bilge line into the machinery space shall be isolated
either by fitting a blank flange or by a closed lockable valve.
3.5.4 Enclosed spaces outside machinery spaces
containing bilge pumps serving cargo spaces intended for carriage
of flammable or toxic liquids should be fitted with separate mechanical
ventilation giving at least 6 air changes per hour. If the space has
access from another enclosed space, the door shall be self-closing.
3.5.5 If bilge drainage of cargo spaces is arranged
by gravity drainage, the drainage shall be either led directly overboard
or to a closed drain tank located outside the machinery spaces. The
tank shall be provided with a vent pipe to a safe location on the
open deck. Drainage from a cargo space into bilge wells in a lower
space is only permitted if that space satisfies the same requirements
as the cargo space above.
3.6 Personnel protection
3.6.1 Four sets of full protective clothing, resistant
to chemical attack, shall be provided in addition to the fire-fighter's
outfits required by regulation 10.10 and
shall be selected taking into account the hazards associated with
the chemicals being transported and the standards developed by the
Organization according to the class and physical state.footnote The protective clothing shall cover all
skin, so that no part of the body is unprotected.
3.6.2 At least two self-contained breathing apparatuses
additional to those required by regulation
10 shall be provided. Two spare charges suitable for use with
the breathing apparatus shall be provided for each required apparatus.
Passenger ships carrying not more than 36 passengers and cargo ships
that are equipped with suitably located means for fully recharging
the air cylinders free from contamination, need carry only one spare
charge for each required apparatus.
3.7 Portable fire extinguishers
footnote
Portable fire extinguishers with a total capacity of at
least 12 kg of dry powder or equivalent shall be provided for the
cargo spaces. These extinguishers shall be in addition to any portable
fire extinguishers required elsewhere in this chapter.
3.8 Insulation of machinery
space boundaries
Bulkheads forming boundaries between cargo spaces and machinery
spaces of category A shall be insulated to "A-60" class standard,
unless the dangerous goods are stowed at least 3 m horizontally away
from such bulkheads. Other boundaries between such spaces shall be
insulated to "A-60" class standard.
3.9 Water spray system
Each open ro-ro space having a deck above it and each space
deemed to be a closed ro-ro space not capable of being sealed, shall
be fitted with an approved fixed pressure water-spraying system for
manual operation which shall protect all parts of any deck and vehicle
platform in the space, except that the Administration may permit the
use of any other fixed fire-extinguishing system that has been shown
by full-scale test to be no less effective. However, the drainage
and pumping arrangements shall be such as to prevent the build-up
of free surfaces. The drainage system shall be sized to remove no
less than 125% of the combined capacity of both the water spraying
system pumps and the required number of fire hose nozzles. The drainage
system valves shall be operable from outside the protected space at
a position in the vicinity of the extinguishing system controls. Bilge
wells shall be of sufficient holding capacity and shall be arranged
at the side shell of the ship at a distance from each other of not
more than 40 m in each watertight compartment. If this is not possible
the adverse effect upon stability of the added weight and free surface
of water shall be taken into account to the extent deemed necessary
by the Administration in its approval of the stability information.footnote
3.10 Separation of
ro-ro spaces
3.10.1 In ships having ro-ro spaces, a separation
shall be provided between a closed ro-ro space and an adjacent open
ro-ro space. The separation shall be such as to minimize the passage
of dangerous vapours and liquids between such spaces. Alternatively,
such separation need not be provided if the ro-ro space is considered
to be a closed cargo space over its entire length and shall fully
comply with the relevant special requirements of this regulation.
3.10.2 In ships having ro-ro spaces, a separation
shall be provided between a closed ro-ro space and the adjacent weather
deck. The separation shall be such as to minimize the passage of dangerous
vapours and liquids between such spaces. Alternatively, a separation
need not be provided if the arrangements of the closed ro-ro spaces
are in accordance with those required for the dangerous goods carried
on adjacent weather decks.
4 Document of compliance
footnote
The Administration shall provide the ship with an appropriate
document as evidence of compliance of construction and equipment with
the requirements of this regulation. Certification for dangerous goods,
except solid dangerous goods in bulk, is not required for those cargoes
specified as class 6.2 and 7 and dangerous goods in limited quantities
and excepted quantities.
|