3.3.1 Drainage is to be provided to prevent the build-up of seawater and condensation
within the mast structure.
3.3.2 Where appropriate, rigs should be coated internally with a suitable preparation.
3.3.3 Openings in the masts for entry and exit of running rigging or cables should be
adequately compensated with insert plates, doublers or patching.
3.3.4 Standing rigging is to be effectively attached to the mast, deck and hull structure
and is to be so designed that it cannot become unintentionally disconnected during
operation.