3.1.1 Unless expressly provided
otherwise, tanks containing cargo or residues of cargo subject to
the Code shall be segregated from accommodation, service and machinery
spaces and from drinking water and stores for human consumption by
means of a cofferdam, void space, cargo pump-room, pump-room, empty
tank, oil fuel tank or other similar space.
3.1.2 Cargo piping shall not
pass through any accommodation, service or machinery space other than
cargo pump-rooms or pump-rooms.
3.1.3 Cargoes, residues of
cargoes or mixtures containing cargoes, which react in a hazardous
manner with other cargoes, residues or mixtures, shall:
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.1 be segregated from such other cargoes by means of
a cofferdam, void space, cargo pump-room, pump-room, empty tank, or tank
containing a mutually compatible cargo;
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.2 have separate pumping and piping systems which
shall not pass through other cargo tanks containing such cargoes, unless encased
in a tunnel; and
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.3 have separate tank venting systems.
3.1.4 If cargo piping systems
or cargo ventilation systems are to be separated. This separation
may be achieved by the use of design or operational methods. Operational
methods shall not be used within a cargo tank and shall consist of
one of the following types:
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.1 removing spool-pieces or valves and blanking the
pipe ends;
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.2 arrangement of two spectacle flanges in series,
with provisions for detecting leakage into the pipe between the two spectacle
flanges.
3.1.5 Cargoes subject to the
Code shall not be carried in either the fore or aft peak tank.