Cowes Breakwater Special Project Review

The CHC Commissioners met on Friday, July 3rd, for an Extraordinary Board Meeting to consider the formal Cowes Breakwater Project review that addressed the issues of changes in tidal flows and potential changes to the sedimentation regime as a result of the 2014 breakwater construction.

The Commissioners received a presentation from their consultant hydrodynamic engineers, and after careful and detailed consideration, unanimously agreed to proceed with the scheduled 2015 breakwater construction and the placement of the rock armour.

Cowes Harbour Commission (CHC) has informed harbour users of the changes to tidal flows that occurred after the construction of the Cowes Breakwater gravel core in September 2014.

The extensive pre-breakwater construction tidal modelling carried out did predict certain changes to the tidal rates and directions within the harbour, but some differences have been noted between the predicted modelling outputs and actual flows observed and recorded.

In addition, concerns have been raised by a number of harbour users regarding potential increased levels of siltation occurring within the harbour.

CHC has carried out a continuous process of review throughout the Cowes Breakwater Project; this continues. Further information acquired from the ongoing review with CHC’s consultant hydrodynamic engineers ABPmer and project managers Atkins has delivered an updated understanding of the differences between the modelled tides and observed tidal changes and enabled CHC to look at potential changes to sedimentation.

As a result, CHC determined it would be appropriate to carry out a full and formal “special project review” to provide the best available advice for the Board to consider and inform the decision on whether to proceed with or delay the 2015 breakwater construction.

The Commissioners agreed at the Extraordinary meeting, the importance of completing the new hydrodynamic model and its use in reviewing the design optimisation of the next phases of the Cowes Breakwater Project. The next phases being the dredging of the new Eastern Channel and extension of the Shrape breakwater.

They also confirmed their intention to continue to consult all stakeholders as information becomes available and their commitment to another formal project review and stakeholder consultation before finalising any decisions on the next phases of the project.

Source: CHC

 

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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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