GPC Implements Turbidity Management Plan over Christmas Period (Australia)

GPC Implements Turbidity Management Plan over Christmas Period

High spring tides over the Christmas period caused Gladstone Ports Corporation (GPC) to implement its Turbidity Management Plan for the Western Basin Dredging and Disposal Project.

The Turbidity Management plan (TMP) was implemented over the Christmas Boxing Day period to minimize the impact of dredging on the high spring tides,” Mr Zussino said.

We anticipated the four metre high spring tides over this period would impact on turbidity in the harbour, so we implemented the TMP before we hit the 99th percentile.

“In fact we implemented the TMP after turbidity readings at one site (ST1), adjacent to the bund wall reclamation area at Fisherman’s Landing, hit the 95th percentile after 24 hours.

“No other monitoring stations recorded any exceedances.

What this means is that we stopped the cutter suction dredge operations just after the peak of the high tide for three hours on the outgoing tide.

“This allowed us to gauge whether the operations of the dredge were impacting on the high tidal outflows.”

Mr Zussino added the TMP was kept in place over the Christmas Boxing Day holiday period to minimise the impacts of dredging on turbidity levels in the harbour.

“DERM received daily water quality reports over the Christmas New Year period and were aware we had implemented the TMP,” Mr Zussino said.

We are committed to ensuring the protection of our harbour and the local environment, and the Western Basin Dredging and Disposal Project is being managed under world’s best practice for dredging, informed by the Dredging Technical Reference Panel.”

The Turbidity Management Plan has been approved by DERM.

Dredging Today Staff, January 5, 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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