The gas carriers accepted under this notification of equivalence
will have independent cargo tanks. They will have an arrangement suitable
for tank cleaning by ventilation procedures. Tank cleaning with water
will be prohibited as a normal procedure. Ballasting of cargo tanks
will be prohibited except for the purpose of securing the safety of
the vessel (ref. Regulation 11).
The vessels will be fitted with deep well pumps. Pumps with submerged
electrical motors will not be accepted.