6.1.1 Spaces
intended for ballast are to be provided with suitable means for filling
and emptying.
6.1.2 Where
the ballasting is adjusted using compressed air, means are to be provided
to protect the tanks against over-pressure.
6.1.3 The
arrangements for discharging water ballast are to be such that any
ballast tank may be discharged by the use of alternative drainage
arrangements.
6.1.4 Ballast
piping arrangements are to be separate and distinct from other piping
systems.