Gladstone Dredging: Turbidity Levels Approved (Australia)

Turbidity Levels Approved

Gladstone Ports Corporation (GPC) has received confirmation from the Department of Environment and Heritage Protection (EHP) that some trigger values for turbidity will be raised.

The decision comes after an extensive review of additional data by the regulator to better reflect the background turbidity levels.

Naturally occurring turbidity prior to dredging commencing was analysed to determine the background levels in the harbour and presented to EHP.

GPC applied to change the turbidity triggers when natural occurrences alone were causing exceedances,Chair of the Dredge Technical Reference Panel (DTRP) Dr Rick Morton said.

Turbidity increases with larger tidal ranges so most spring and king tides pushed turbidity levels over the trigger levels.”

Dr Morton said the responsible and adaptive approach to dredging meant dredging was paused during these periods of high turbidity, despite dredging not being the main cause.

The DTRP therefore supported the application to revise the trigger levels accordingly,” Dr Morton added.

GPC CEO Leo Zussino welcomed the decision to raise the trigger values to a more realistic level.

“We take our responsibility as a custodian of Gladstone harbour very seriously and want to develop the port in a sustainable way with respect for the marine environment,” Mr Zussino said.

Dredging Today Staff, May 4, 2012; Image: westernbasinportdevelopment

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3rd International Congress Hydraulic Engineering Structures and Dredging

Russia’s leading maritime industry Media Group PortNews (www.portnews.ru) holds a traditional annual Congress “Hydraulic Engineering Structures and Dredging” in Moscow. 

The two-day Congress includes the 7th International Forum of Dredging Companies and the 3rd Technical Conference “Modern Solutions for Hydraulic Engineering”.

Infrastructure development is among the real sources of Russia’s economy growth. Construction of port facilities and new hydraulic engineering structures on the country’s inland waterways constitute an essential part of all infrastructure projects. It is important to take into account the best international practices to implement these projects effectively.

The program of the Congress will be devoted to the latest technologies for dredging and hydraulic engineering works. Speakers and delegates will refer to real projects to discuss specifics features of dredging works, as well as dedicated fleet and equipment involved.

To learn more about event, please, contact the organizing committee: snitko@portnews.ru

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