1.1.1 These Guidelines and Specifications contain
requirements regarding the design, installation, performance and testing
of oil discharge monitoring and control systems on oil tankers as
required by regulation regulation
31of MARPOL Annex I.
1.1.2 The purpose of these Guidelines and Specifications
is:
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.1 to provide a uniform interpretation of the
requirements of regulation 15(3)(a) (now regulation 31) of Annex I of MARPOL
73/78;
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.2 to assist Administrations in determining appropriate
design, construction and operational parameters for oil discharge
monitoring and control systems for oil tankers, hereafter referred
to as “monitoring systems”, when such systems are fitted
in ships flying the flag of their State;
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.3 to define test and performance requirements
for oil content meters and control sections forming part of monitoring
systems;
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.4 to define requirements for plan approval of
installations and functional testing of installed equipment; and
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.5 to provide guidance for the survey of installations
on board.
1.1.3 These Guidelines and Specifications also
apply to oil content monitoring systems used for monitoring each individual
bio-fuel blend containing 75 per cent or more of petroleum oil, carried
in accordance with paragraph 4.1 of MEPC.1/Circ.761. Wherever in these Guidelines and Specifications reference
is made to oil being monitored, this applies likewise to bio-fuel
blends.