ANSWERS on cleaning up the Tamar River may surface soon with a trial hopefully starting this year on a new process to tackle the silt problem.
Nanjing Night Net

Launceston Flood Authority chairman Alan Birchmore said yesterday that he hoped a process called raking, where the riverbed silt was disturbed by a rake towed behind a boat and washed away by the tide, would be tested this year at locations between the yacht basin at the head of the Tamar to the Tailrace at Riverside.

Mr Birchmore said the authority was working with the Parks and Wildlife Service and the Environment Protection Authority for approval for a trial and he expected results within six months of starting the trial.

Mr Birchmore, who was asked for his view on comments this week by Seaport developer Errol Stewart that dredging was a waste of time but raking was promising, said the authority’s emphasis was on raking.

“We have funding for the trials and I believe something useful will come out of it,” Mr Birchmore said.

“Dredging is not out of the question but needs to be affordable.”

He said the authority had a vessel for the work and the Australian Maritime College at the University of Tasmania would be involved.

“We are trying to establish a cost-effective way of doing work that will restore better amenity to the Tamar.”

Launceston City Council general manager Robert Dobrzynski said the council was working with the authority, the AMC, Tamar NRM and others to establish a viable long-term silt plan.

Low tide and the silt is showing in the Tamar.

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