2.1
Alternative means is a means
that is not a utilization of protective coating applied according
to the Performance standard for protective coating for cargo oil tanks
of crude oil tankers (resolution MSC.288(87)).
2.2
Corrosion resistant steel is
steel whose corrosion resistance performance in the bottom or top
of the internal cargo oil tank is tested and approved to satisfy the
requirements in this Standard in addition to other relevant requirements
for ship material, structure strength and construction.
2.3
Target useful life is the target
value, in years, of the durability for which the means of corrosion
protection or utilization of corrosion resistance material is designed.