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Sospan Dau 3
 
© © Coast 2013

Sospan Dau 3


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Beach Management Works 2013

As part of the approved 5 Year Beach Management Strategy, works will take place in March/April to replenish shingle beaches along Eastbourne’s seafront. The works operation will be carried out by Pevensey Coastal Defence Ltd. (PCDL) as part of the Coast Protection Maintenance Contract. The total estimated replenishment volume required is 12,000 cubic metres.

If this shingle was delivered by road it would involve around 800 lorry movements and take several weeks to complete. In order to try to reduce this impact a more environmentally friendly option was looked into. It was decided that an operation whereby beaches are re-nourished using an offshore vessel which pumps shingle directly onto beaches would be a suitable alternative for Eastbourne.

Shingle will sucked from the sea bed of a licensed area of the Owers Bank near the Isle of Wight by the dredger “Sospan Dauâ€, taken back to Eastbourne and delivered to the beach over high tide. The dredger will come very close to the beach and discharge a mixture of sediment and water using a technique known as 'rainbowing' that creates a mound of material high on the foreshore. Discharge will take about two hours and the vessel will return to the dredge area for the next load with the intention of being back on the beach for the next high tide. Once replenishment has started, the operation is continuous until the required volumes have been delivered. Only adverse weather conditions in either discharge or dredging areas will temporarily delay the operation.

The beaches that will be recharged are at the Bandstand and either side of the Pier. All being well the works are programmed to start on Friday 26th April and should take around a week to complete

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© © Coast 2013
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Winter and Spring 2012/13

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