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Victoria is
the largest container port in Australia, and the idea of the deeping
on the channel is similar to the need for a Scorsby freeway on land.
The depth is
already an issue, and around 10% of ships now can't load to their
full capacity becasue of the channel depth and that is expected
to grow to 25% in the near future.
The environmental
effects are very important, and the studies to determine the effects
are expected to take about a year. The aim is to allow ships that
at 1.9 m deeper, and different amounts of materrial will havge to
be taken out of different part (up to two MCG's)
The issues are
diverse, relating to turbidity, changes in tide levels and marine
ecology bay wide (not just at the heads). These investigations may
need to look at the 30 year timeframe, and look at what might happen
with and without the potential changes.
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