Progress update from the DWDR development
VSBW, a joint venture between Volker Stevin and Boskalis Westminster, are proud to be involved in the Port of Dover’s flagship Dover Western Docks Revival (DWDR) development.
The £250 million DWDR development is the single biggest investment ever undertaken by the Port and represents the next exciting evolution of the Port, delivering long-term capacity for a key international gateway handling trade to the value of £122bn representing up to 17% of UK trade in goods.
The revival of the western part of the Port estate supports the developing destination agenda for Dover, being identified as the key catalyst for the wider regeneration of area. It will deliver valuable employment opportunities both during construction and on completion of the new cargo facility.
With a contract value of £115m, VSBW are currently delivering the marine structures and bridge contract. This construction stage includes the design and build of two new berths including quay walls and land reclamation, a new marina pier, the marina curve, navigation channel and new lock gates, Bascule Bridge and capital dredging work.
Approximately one million cubic meters of silt, gravel and chalk will be removed from the harbour and will require two million cubic metres of sand for use as infill material for land reclamation.
Progress so far:
-DWDR has used 711 tubular piles, equating to a total length of 20.3km and 1,490 sheet piles which equates to 23.4km or the length of more than 500 football pitches.
-The total weight of the steel used for piling (both tubular and sheet) is 24,555 tonnes
-The piling works to the marina curve and berth areas has taken 175 days to complete and covers a distance of 2.3km within the harbour area.
-Since the area is now ‘enclosed’ the reclamation phase has also begun where 1,100,000 m3 of silt has been dredged by Trailer Suction Hopper and Backhoe dredgers
-80,000 tonnes of rock and 500,000 m3 of sand have been delivered and installed on-site, ensuring that the areas for Berth A and C are complete to the 3.8m level
-The areas that have reached the 3.8m level are then compacted using specialised dynamic compaction equipment and tested to ensure the ground is solid and stable enough for further works
-In addition, works on the Wellington Cut have progressed well with the cofferdam being shored up ahead of works to connect the channel to the main marina, later this year.
-In 2018 the reclamation works will continue, bringing all the areas up to 3.8m to allow quay wall tie-rods to be installed following which the area will be filled to the final reclamation height and compacted towards the end of April 2018.
-There then remains a further dredging campaign to clear the berth pockets and approaches which should be completed by June 2018.
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