Why isn’t the dredging of Port Phillip Bay to be world’s best practice?

Why isn’t the toxic dredging muck from Port Phillip Bay to be disposed of according to  world’s best practice?

It’s simple. It’s dangerous and expensive.

One of the world’s best practice criteria is dumping it far out in the ocean. Aside from the fact that this is such a corrupt way to go as far as environmental degradation is concerned, taking the spoil out through the heads (RIP) is dangerous. The barges transporting the spoil are not capable of taking on the currents and tides experienced in the Rip (Yes, it was once called the Rip, right up until the Port of Mebourne began lobbying for the channel dredging), the currents occasionally running at 14 knots or more.

An alternative is removing it from the sea altogether. Unfortunately this is very expensive and there are many safety regulations governing inland dumping, not the least of which is the air based pollution. The Port of Melbourne has therefore chosen to hide such a problem under water.

They casually say they will cap the spoil underwater, but they don’t say in which year. Is that a year after the dredging has begun, or after it’s finished? That would make it a minumum of seven years. In fact the spoil would begin to dissolve throughout the bay the moment the big tides hit it. maintenance spoil dumped in the bay has spread rapidly throughout the whole area of the Bay. And what will they be capping it with, concrete? Sorry guys your whole story is bodgy, half-baked and and cynical.


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