Australia: Two Dredges Making Good Progress

Good progress is being made by the two dredges being used for Phase 2 of the dredging and, at this stage, this phase of the dredging should be completed well before the contracted completion date of 19 November.

Specialist dredging company Boskalis Australia Pty Ltd is using two of its most sophisticated dredges to ensure the dredging can be undertaken efficiently while the port continues to operate.

The entrance to Rous Head Harbour has been successfully dredged without interference to Rottnest ferries. Most of the Entrance Channel dredging has been completed. Crushing activities by Phoenix are well ahead of schedule and the only remaining areas to be crushed are off C and D Berths.

The Gateway is focussing its efforts on removing crushed rock where access is possible, otherwise it is being utilised to remove remaining high spots in the harbour and Deepwater Channel.

Ongoing inspections of coastal and river beaches indicate that the coastal beaches are largely unaffected by the dredge plume. There was increased cloudiness in the river up to about Bicton Baths on Friday 8 October due to Gateway working at the eastern end of the harbour. This cloudiness might continue as the removal of this material is completed.

Signs have been posted at nearby river beaches advising swimmers to take care when entering the water due to the potential for reduced visibility at times.

Ongoing monitoring throughout the dredging program has confirmed that there are no ecosystem or public health threats.

Monitoring results are posted weekly on the Fremantle Ports website and include results from mussel sampling for both sentinel mussels (ie. clean mussels placed in the water for a period of six weeks) and wild mussels.

Results showed that concentrations of contaminants in both sentinel and natural mussels were below laboratory detection limits in the majority of cases and where detected did not exceed trigger levels relevant to the protection of fishing and aquaculture values.

Source: fremantleports, October 11, 2010

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3rd International Congress Hydraulic Engineering Structures and Dredging

Russia’s leading maritime industry Media Group PortNews ( 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:

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