1 With respect to amendments
to carriage requirements due to the upgrading of the categorization
of a substance, the following shall apply:
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.1 where an amendment to this Annex and the International Bulk Chemical Code and Bulk Chemical
Code involves changes to the structure or equipment and fittings due
to the upgrading of the requirements for the carriage of certain substances,
the Administration may modify or delay for a specified period the
application of such an amendment to ships constructed before the date
of entry into force of that amendment, if the immediate application
of such an amendment is considered unreasonable or impracticable.
Such relaxation shall be determined with respect to each substance;
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.2 the Administration allowing a relaxation of
the application of an amendment under this paragraph shall submit
to the Organization a report giving details of the ship or ships concerned,
the cargoes certified to carry, the trade in which each ship is engaged
and the justification for the relaxation, for circulation to the Parties
to the Convention for their information and appropriate action, if
any and reflect the exemption on the Certificate as referred to in regulation 7 or 9 of this Annex;
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.3 Notwithstanding the above, an Administration
may exempt ships from the carriage requirements under regulation 11 for ships certified
to carry individually identified vegetable oils identified by the
relevant footnote in chapter 17 of the
IBC Code, provided the ship complies with the following conditions:
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.3.1 Subject to this regulation, the NLS tanker
shall meet all requirements for ship type 3 as identified in the IBC Code except for cargo tank location;
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.3.2 under this regulation, cargo tanks shall
be located at the following distances inboard. The entire cargo tank
length shall be protected by ballast tanks or spaces other than tanks
that carry oil as follows:
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.3.2.1 wing tanks or spaces shall be arranged
such that cargo tanks are located inboard of the moulded line of the
side shell plating nowhere less than 760 mm;
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.3.2.2 double bottom tanks or spaces shall be
arranged such that the distance between the bottom of the cargo tanks
and the moulded line of the bottom shell plating measured at right
angles to the bottom shell plating is not less than B/15 (m) or 2.0
m at the centreline, whichever is the lesser. The minimum distance
shall be 1.0 metre; and
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.3.3 the relevant certificate shall indicate the
exemption granted.
2 Subject to the provisions
of paragraph 3 of this regulation, the provisions of regulation 12.1 need not apply
to a ship constructed before 1 July 1986 which is engaged in restricted
voyages as determined by the Administration between:
3 The provisions of
paragraph 2 of this regulation shall only apply to a ship constructed
before 1 July 1986 if:
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.1 each time a tank containing Category X, Y or
Z substances or mixtures is to be washed or ballasted, the tank is
washed in accordance with a prewash procedure approved by the Administration
in compliance with appendix 6 of
this Annex, and the tank washings are discharged to a reception facility;
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.2 subsequent washings or ballast water are discharged
to a reception facility or at sea in accordance with other provisions
of this Annex;
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.3 the adequacy of the reception facilities at
the ports or terminals referred to above, for the purpose of this
paragraph, is approved by the Governments of the States Parties to
the present Convention within which such ports or terminals are situated;
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.4 in the case of ships engaged in voyages to
ports or terminals under the jurisdiction of other States Parties
to the present Convention, the Administration communicates to the
Organization, for circulation to the Parties to the Convention, particulars
of the exemption, for their information and appropriate action, if
any; and
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.5 the certificate required under this Annex is
endorsed to the effect that the ship is solely engaged in such restricted
voyages.
4 For a ship whose
constructional and operational features are such that ballasting of
cargo tanks is not required and cargo tank washing is only required
for repair or dry-docking, the Administration may allow exemption
from the provisions of regulation
12, provided that all of the following conditions are complied
with:
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.1 the design, construction and equipment of the
ship are approved by the Administration, having regard to the service
for which it is intended;
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.2 any effluent from tank washings which may be
carried out before a repair or dry-docking is discharged to a reception
facility, the adequacy of which is ascertained by the Administration;
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.3 the certificate required under this Annex indicates:
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.3.1 that each cargo tank is certified for the
carriage of a restricted number of substances which are comparable
and can be carried alternately in the same tank without intermediate
cleaning; and
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.3.2 the particulars of the exemption;
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.4 the ship carries a Manual approved by the Administration;
and
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.5 in the case of ships engaged in voyages to
ports or terminals under the jurisdiction of other States Parties
to the present Convention, the Administration communicates to the
Organization, for circulation to the Parties to the Convention, particulars
of the exemption, for their information and appropriate action, if
any.