4.1 While the stowage and securing of open containers,
ISO platforms or platform-based containers (flatracks) on a container
ship or a ship fitted or adapted for the carriage of containers, should
follow the information for that system, the stowage and securing of
the cargo in such containers, should be carried out in accordance
with the IMO/ILO/UN ECE Guidelines for packing of cargo transport
units.
4.2 When heavy cargo items are carried on ISO
platforms or platform-based containers (flatracks) the provisions
of this annex should be followed. Additionally, the following items
should be taken into account:
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.1 The ISO standard platform, etc., used should
be of a suitable type with regard to strength and MSL of the securing
points.
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.2 The weight of the heavy cargo item should be
properly distributed.
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.3 Where deemed necessary, the heavy cargo item(s)
carried on ISO standard platform(s) or platform-based containers,
etc., should not only be secured to the platform(s) or platform-based
containers, etc., but also to neighbouring platform(s), etc., or to
securing points located at fixed structure of the ship. The elasticity
of the last-mentioned lashings should be sufficiently in line with
the overall elasticity of the stowage block underneath the heavy cargo
item(s) in order to avoid overloading those lashings.