5.2.1 Uprights, designed in accordance with chapter 7, should be used when required by
the nature, height or character of the timber deck cargo as outlined
in this code.
5.2.2 When uprights are used, they should:
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.1 be made of material of adequate strength, taking
into account relevant parameters such as; the breadth of the deck
cargo, the weight and height of the cargo, the type of timber cargo,
friction factors, additional lashings, etc.;
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.2 be spaced at intervals between the centrelines
of two uprights not exceeding 3 m so that preferably all sections
of the stow are supported by at least two uprights; and
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.3 be fixed to the deck and/or hatch cover by
angles, sockets or equally efficient means and be secured in position
as required by the CSM.