Art. 112 - General Terms and Conditions :
A - Grouping System :
For purpose of berthing and cargo handling each of IMDG
classes (Except Class 7, radioactive, see Chapter XVIII) is further divded by SCA into
three groups. These groups are as follows :
- Group 1 : Substances representing high danger : no handling
is allowed either for ordinary goods or dangerous goods; vessels carrying these substances
are only allowed to have berth at Port Said outer harbour, bunkers taking place at the
outer harbour basin.
- Group 2 : Substances representing medium danger, handling of
cargo is allowed as follows:
a) Containers can be handled in the inner harbour.
b) General Cargo vessels can be handled by isolating the
vessel in Port Said outer harbour basin. A vessel carrying not more than 100 tons total of
these substances will not be given a special berth for handling the ordinary cargoes,
providing holds containing these dangerous substances is kept closed while ordinary
cargoes are being handled on these vessels.
- Group 3 : Substances representing minor danger : vessels
carrying these substances shall be considered as ordinary vessel.
B - Description of Groups in Different IMDG Classes
:
- Group 1 : (Substances representing high danger) :
It contains the following :
a) Class 1, explosives, (div. 1.1, div. 1.2, and div.1.3).
b) Class 2, gases in large welded receptacles.
c) Class 3, Inflammable liquids (div. 3.1 and div. 3.2) in large welded receptacles.
d) Discovery of substances of its existence and/or stowage on
board the ship, the Master has no knowledge.
e) Hazardous wastes.
- Group 2 : (Substances representing medium danger) :
It contains all substances of the Classes which do not belong to either Group 1 or Group
3.
- Group 3 : (Substances representing minor danger) :
It contains the following :
a) Class 1, explosives, (div. 1.5).
b) Class 2, gases (non flammable compressed gas only).
c) Class 3, Inflammable liquids (high flash point group only).
d) Substances in Class 4, 5, 6, 8 and 9 stated in Appendix No. 4.
- Vessels carrying more than one group at the same time will
be treated as vessel of the higher dangerous group.