LR III.4.1
Except where the Rule requirements have been limited as provided for in Ch 1, 1.1 Application 1.1.9, there will be no objection to the carriage of
oil cargoes in ships built in accordance with these Rules, provided the arrangements,
scantlings and materials have been approved for this purpose and that compatibility with
tank coatings is ensured, see
Ch 1, 6.1 Materials of construction and welding.
LR III.4.2
Proposals for the carriage of additional cargoes on classed
chemical tankers, the keels of which were laid before 1st July 1986
having the Type Notations 'Chemical tanker Type A', 'Chemical tanker
Type B', 'Chemical tanker Type C' or the Cargo Notations 'Cargo Type
A', 'Cargo Type B', or 'Cargo Type C' will be considered on the basis
of the containment provisions of the IMO Code for the Construction
and Equipment of Ships Carrying Dangerous Chemicals in Bulk (BCH
Code). Cargoes which are required by the BCH Code to be carried on
Type 1 or Type 2 ships will be considered as LR Type A cargoes for
classification purposes. Cargoes which are permitted by the BCH Code
to be carried on Type 3 ships will be considered as LR Type B cargoes
for classification purposes, except that cargoes which additionally
require containment separation from the ship's shell plating due,
for example, to water reactivity or to the necessity for special materials
of cargo tank construction, will be considered as LR Type A.