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MSC BASIC IMO training(Amdt. 35-10) 1
VOLUME 1 - part 7
PROVISIONS CONCERNING TRANSPORT OPERATIONS
• 7. 1. Stowage• 7.2. Segregation• 7.3. Transport of cargo transport units on board ships• 7.4 Packing of cargo transport units
CHAPTER 7.1
MSC BASIC IMO training(Amdt. 35-10) 2
7.1.1 General provisions
Except in class 1, ships are
divided into two groupings:
• Cargo ships or passenger ships
carrying ≤ 25 passengers or 1
passenger per 3 metres of
overall length (1)
• Other passenger ships in which
the limiting number of
passengers is exceeded (2)
Stowage category A (1)-(2) ON DECK OR UNDER DECK
Stowage category B (1) ON DECK OR UNDER DECK (2) ON DECK ONLY
Stowage category C (1)-(2) ON DECK ONLY
Stowage category D (1) ON DECK ONLY (2) PROHIBITED
Stowage category E (1) ON DECK OR UNDER DECK (3) PROHIBITED
CHAPTER 7.1
MSC BASIC IMO training(Amdt. 35-10) 3
7.1.1 General provisions
When DGL indicates: shaded from radiant heat, stowage under
deck shall be “away from” sources of heat
When DGL indicates: protection from sources of heat, this
includes “away from” sparks, flames, steam pipes, heating coils, top
or side walls of heated fuel and cargo tanks, and bulkheads of
machinery spaces
Portable tanks shall not be overstowed by other cargo transport units
unless they are designed for that purpose and transported in
specially designed ships, or unless they are specially protected to the
satisfaction of the competent authority
CHAPTER 7.1
MSC BASIC IMO training(Amdt. 35-10) 4
7.1.2 Stowage in relation to living quarters
Accommodation
Machinery spaces
Other work areas
1. Needed for TOXIC SUBSTANCES
2. Needed for CORROSIVE SUBSTANCES
3. SUBSTANCES WHICH, IN MOIST AIR, PRODUCE TOXIC OR CORROSIVE VAPOURS
4. SUBSTANCES WHICH EVOLVE STRONGLY NARCOTIC VAPOURS
5. FLAMMABLE, TOXIC OR CORROSIVE GASES OF CLASS 2
True entrances
True openings in
bulkheads
True the ventilation
CHAPTER 7.1
MSC BASIC IMO training(Amdt. 35-10) 5
7.1.4 Stowage of marine pollutants
Where stowage is permitted on deck or under deck, under deck
stowage is preferred
(except when a weather deck provides equivalent protection)
Where stowage on deck only is required, preference shall be given to
stowage on well-protected decks or stowage inboard in sheltered
areas of exposed decks
CHAPTER 7.1
MSC BASIC IMO training(Amdt. 35-10) 6
7.1.5 Stowage in relation to foodstuffs
The class 6.1 PG I and II or class 2.3: “separated from” foodstuffs,
except when the substances and the foodstuffs are in different closed
cargo transport units: no segregation
CLASS SEGREGATION6.2 (infectious
substances)"separated by a complete
compartment or hold from"
7 (radioactive substances)
"separated from"
8 (corrosive substances)
"away from"
6.1 PG III "away from"
CHAPTER 7.1
MSC BASIC IMO training(Amdt. 35-10) 7
7.1.8 Stowage of goods of class 2 (2.1 flammable gases, 2.2 no flammable, no toxic gases, 2.3 toxic
gases)
General stowage precautions
• When stowed on deck, receptacles shall be protected from
radiant heat, which includes protection from direct sunlight
• Receptacles stowed under deck shall be stowed in
mechanically ventilated cargo areas
Stowage precautions for flammable gases
• Protect flammable gases from heat
• In enclosed cargo spaces mechanical ventilation shall be
provided
CHAPTER 7.1
MSC BASIC IMO training(Amdt. 35-10) 8
7.1.9 Stowage of goods of class 3 ( Flammable liquids)
The goods shall be kept as cool as reasonably possible
Away from all possible sources of heat
Protection shall be provided which shall effectively remove flammable
vapours from the cargo space
Liquids with FP ≤23°C in portable tanks: vapors unlikely to penetrate
the accomodation, machinery spaces and other work areas
(openings in bulkheads; ventilation systems!)
CHAPTER 7.1
MSC BASIC IMO training(Amdt. 35-10) 9
7.1.9 Stowage of goods of classes 4.1,4.2 and 4.3 (4.1 = flammable solids, 4.2 = self-reactive substances, 4.3 = substances flammable in contact with water)
The goods shall be kept as cool as reasonably possible
Away from all possible sources of heat
It may be necessary during the voyage to jettison (throw over board)
packages if there is danger of involvement in a fire. This shall be
borne in mind when stowage is permitted under deck
CHAPTER 7.1
MSC BASIC IMO training(Amdt. 35-10) 10
7.1.10 Stowage of goods of classes 4.1,4.2 and 4.3
Stowage precautions for FISHMEAL (UNSTABILIZED: UN 1374;
STABILIZED: UN 2216) in containers
• Doors and other openings sealed to prevent air penetration
into the unit
• 1x/day (morning) temperature readings in the hold
• Possible need to apply copious quantities of water: stability!
• Stowage clear of pipes and bulkheads which are liable to
become heated
CHAPTER 7.1
MSC BASIC IMO training(Amdt. 35-10) 11
7.1.11 Stowage of goods of class 5.1 (oxidizing substances)
AMMONIUM NITRATE UN 1942 and AMMONIUM NITRATE
BASED FERTILIZERS UN2067:
• May be stowed under deck in a clean cargo space capable of
being opened up in an emergency
• To be considered for loading:
The possible need to open hatches in case of fire (max.
ventilation)
The possible need to apply water and the consequent
risk to the stability of the ship
CHAPTER 7.1
MSC BASIC IMO training(Amdt. 35-10) 12
7.1.12 Stowage of goods of class 5.2 (organic peroxides)
Organic peroxides: stowage category D
Organic peroxides shall be stowed away from living quarters or acces
to them
Organic peroxides shall be stowed away from sources of heat
Protected from direct sunshine and stowed in a cool, well-ventilated
place
It may become necessary to take the appropriate emergency action,
such as jettisoning
CHAPTER 7.1
MSC BASIC IMO training(Amdt. 35-10) 13
7.1.13 Stowage of goods of class 6.1 ( toxic substances)
Toxic substances which are also flammable liquids
• Stowed in a mechanically ventilated space
• Kept as cool as reasonably practicable
• Should be stowed “away from” all sources of heat
CHAPTER 7.1
MSC BASIC IMO training(Amdt. 35-10) 14
7.1.15 Stowage of goods of class 8 ( corrosive substances)
All substances for which unprotected plastics packagings are
permitted shall be kept as cool as reasonably practicable as the
resistance of most plastics decreases at high temperatures
Corrosive substances which are also flammable liquids
• Stowed in a mechanically ventilated space
• Kept as cool as reasonably practicable
• Should be stowed “away from” all sources of heat
CHAPTER 7.1
MSC BASIC IMO training(Amdt. 35-10) 15
7.1.16 Stowage of goods of class 9
AMMONIUM NITRATE BASED FERTILIZER UN2071
• In case of fertilizer in containers it is sufficiënt if, in case of an
emergency, the cargo is accessible trough free approaches
(hatch entries), and mechanical ventilation enables the master to
exhaust any gases or fumes resulting from decomposition
To be considered before loading:
• The possible need to open hatches in case of fire (max.
ventilation)
• The possible need to apply water and the consequent risk to the
stability of the ship
CHAPTER 7.1
MSC BASIC IMO training(Amdt. 35-10) 16
7.1.16 Stowage of goods of class 9
AMMONIUM NITRATE BASED FERTILIZER UN2071
• Shall be stowed out of direct contact with a metal engine-room
bulkhead (need to apply to short international voyages)
FISHMEAL, STABILIZED UN 2216: see class 5.1
Please wake up!I’m not finished yet!
CHAPTER 7.1
Seperate they’re dangerous,Together they’re deadly
MSC BASIC IMO training(Amdt. 35-10) 18
Segregation
MSC BASIC IMO training(Amdt. 35-10) 19
Quick segregation Guide
Quick segregation guide
CHAPTER 7.2
MSC BASIC IMO training(Amdt. 35-10) 22
7.2.1 General
The following segregation terms are used throughout this Code:
1. “Away from” (3 metres)
2. “Separated from” (6 metres)
3. “Separated by a complete compartment or hold from” (12 metres)
4. “Separated longitudinally by an intervening complete compartment
or hold from” (24 metres)
CHAPTER 7.2
MSC BASIC IMO training(Amdt. 35-10) 23
7.2.1 General
In addition to the general provisions, there may be a need to segregate
a particular substance, material or article from other goods which
could contribute to its hazard.
Particular provisions for segregation are indicated in the DGL and, in
the case of conflicting provisions, always take precedence over the
general provisions.
UN1001 UN1017UN1597 UN2048
CHAPTER 7.2
MSC BASIC IMO training(Amdt. 35-10) 24
7.2.1 General
Except for class 1, the segregation provisions for substances, materials
or articles having more than two hazards (2 or more subsidiary risk
labels) are given in the DGL.
UN1045 UN1036UN1295 UN 1308
CHAPTER 7.2
MSC BASIC IMO training(Amdt. 35-10) 25
7.2.2 Segregation groups Similar technical properties
1 acids
2 ammonium compounds
3 bromates
4 chlorates
5 chorites
6 cyanides
7 heavy metals and their safts
8 hypochlorite's
9 lead and its compounds
10 liquid halogenated hydrocarbons
11 mercury and mercury compounds
12 nitrites and their mixtures
13 perchlorates
14 permanganates
15 powdered metals
16 peroxides
17 azides
18 alkalia
UN1935 UN1939UN2785 UN3253UN3367 UN2024
MSC BASIC IMO training(Amdt. 35-10) 26
CHAPTER 7.27.2.1.7 N.O.S entries ( not otherwise specified)
It is recognized that not all substances falling within a segregation group are listed in the Code by name. These substances are shipped under N.O.S entries. Although these entries are not listed themselves in the above groups, the shipper shall decide whether allocation under the segregation group is appropriate.
UN 1760 CORROSIVE LIQUID, N.O.S.UN 2924 FLAMMABLE LIQUID, CORROSIVE, N.O.S.UN 3098 OXIDIZING LIQUID, CORROSIVE, N.O.S.
MSC BASIC IMO training(Amdt. 35-10) 27
CHAPTER 7.27.2.1.11 Substances of the same class
Substances of the same class may be stowed together without regards to segregation required by secondary hazards (subsidary risk labels), provided the substances do not react dangerously with each other and cause:
1. Combustion and/or evolution of considerable heat2. Evolution of flammable, toxic gases3. The formation of corrosive substances4. The formation of unstable substances
EXPLANATION PRODUCER (MSDS)
NO SEGREGATION REQUIRED
MSC BASIC IMO training(Amdt. 35-10) 28
CHAPTER 7.27.2.1.11 Special provisions
No segregation needs to be applied between dangerous goods of different classes which comprise the same substance but vary only in their water content.
NO SEGREGATION REQUIRED
Example:
UN 1385 SODIUM SULPHIDE, ANHYDROUS (waterfree) class 4.2UN 1849 SODIUM SULPHIDE, HYDRATED class 8
With not less than 30% water
MSC BASIC IMO training(Amdt. 35-10) 29
CHAPTER 7.27.2.1.11 Special provisions
NO SEGREGATION REQUIRED
UN PSN Class Subs. Risk
2014 HYDROGEN PEROXIDE, AQUEOUS SOLUTION 5.1 8
2984 HYDROGEN PEROXIDE, AQUEOUS SOLUTION 5.1 -
3105 ORGANIC PEROXIDE TYPE D, LIQUID 5.2 8
3107 ORGANIC PEROXIDE TYPE E, LIQUID 5.2 8
3109 ORGANIC PEROXIDE TYPE F, LIQUID 5.2 8
3149 HYDROGEN PEROXIDE AND PEROXYACETIC ACID, MIXTURE, STABILIZED
5.1 8
MSC BASIC IMO training(Amdt. 35-10) 30
CHAPTER 7.27.2.1.11 Special provisions
NO SEGREGATION REQUIRED
UN PSN Class Subs. Risk
1295 TRICHLOROSILANE 4.3 3/8
1818 SILICON TETRACHLORIDE 8 -
2189 DICHLOROSILANE 2.3 2.1/8
MSC BASIC IMO training(Amdt. 35-10) 31
1. “Away from”
PROHIBITED STOWAGE
AREA
PROHIBITED STOWAGE
AREA
3 METERS 3 METERS
Reference package
Package containing incompatible goods
If the same compartment or hold or on deck if horizontal separation of 3m, projected vertically
MSC BASIC IMO training(Amdt. 35-10) 32
1. “Separated from”
Under deck: in different compartments or holds
On deck: at least 6m
Deck resistant to fire and liquid
MSC BASIC IMO training(Amdt. 35-10) 33
One of the two decks must be resistant to fire and liquid
3. “Seperated by a complete compartement or hold from”
Vertical or horizontal separation
If intervening decks not resistant to fire and liquid: only longitudinal separation
On deck: at least 12m
12m
MSC BASIC IMO training(Amdt. 35-10) 34
24m including interveningcompartment
4.“Seperated longitudinally by an intervening complete compartment or hold from”
Vertical separation alone does not meet this requirement
On deck: at least 24m from eachother
MSC BASIC IMO training(Amdt. 35-10) 35
SEGREGATIONSEGREGATION IN CARGO TRANSPORT UNITS
3 possibilities
Allowed
Allowed under conditions
Forbidden
TABEL
Port authorities
Can you load them together in a container?
UN 1263 UN 1993 UN 2078
Can you load them together in a container?
3 UN 12633 UN 1993 6.1 UN 2078YES, can be loaded in 1 container
Can you load them together in a container?
UN 1965UN 1726
Can you load them together in a container?
2.1 UN 19658 UN 1726NO, “away from” eachother
Can you load them together in a container?
UN 2727UN 2966
Can you load them together in a container?
6.1/5.1 UN 27276.1 UN 2966NO, “away from” eachother
Can you load them together in a container?
UN 1300UN 2601
Can you load them together in a container?
3 UN 13002.1 UN 2601NO, “seperate from” eachother
Can you load them together in a container?
UN 1300UN 1950
Can you load them together in a container?
3 UN 13002 UN 1950 ( as for class 9)YES, can be loaded in 1 container
Can you load them together in a container?
UN 1305UN 3295UN 3084
Can you load them together in a container?
3/8 UN 13053 UN 32958/5.1 UN 3084NO, “seperate from” eachother
Can you load them together in a container?
UN 3265UN 1835
Can you load them together in a container?
8 UN 3265 (ACIDS)8 UN 1835 ( SEPERATE FROM ACIDS)NO, not allowed
Can you load them together in a container?
UN 1750UN 2744UN 1022
Can you load them together in a container?
6.1/8 UN 1750 (ACID)6.1/3/8 UN 2744 (ACID, as 3, away 4.1)
2.2 UN 1022NO, “away from” eachother
Can you load them together in a container?
UN 2427UN 2071
Can you load them together in a container?
5.1 UN 2427 (seperate from ammonium compounds, cyanides and sulphur)
9 UN 2071 ( ammonium compounds)No, can not be loaded in 1 container
Can you load them together in a container?
UN 3082UN 1080UN 2859
Can you load them together in a container?
9 UN 30822.2 UN 10806.1 UN 2859 (as 5.1, but away from 4.1, 5.1 and 7)Yes, can be loaded in 1 container
Can you load them together in a container?
UN 3109UN 3149
Can you load them together in a container?
5.2/8 UN 31095.1/8 (PG II) UN 3149YES, can be loaded in 1 container!
MSC BASIC IMO training(Amdt. 35-10) 58
CHAPTER 7.27.2.1.11 Special provisions
NO SEGREGATION REQUIRED
UN PSN Class Subs. Risk
2014 HYDROGEN PEROXIDE, AQUEOUS SOLUTION 5.1 8
2984 HYDROGEN PEROXIDE, AQUEOUS SOLUTION 5.1 -
3105 ORGANIC PEROXIDE TYPE D, LIQUID 5.2 8
3107 ORGANIC PEROXIDE TYPE E, LIQUID 5.2 8
3109 ORGANIC PEROXIDE TYPE F, LIQUID 5.2 8
3149 HYDROGEN PEROXIDE AND PEROXYACETIC ACID, MIXTURE, STABILIZED
5.1 8