A.3.1 The stevedoring company and the crew should
be informed about the requirements on the securing arrangements.
A.3.2 Uprights, when used, should be well fastened
and protected from falling inwards during loading and discharging
operations.
A.3.3 If required by this Code and as prescribed
in the Cargo Securing Manual, uprights should be connected by hog
lashings, running between each pair of uprights on opposing sides
of the stow.