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HomeAnchorsholme cofferdam nearing completion

Anchorsholme cofferdam nearing completion


VolkerGround Engineering is nearing completion of a cofferdam 300 metres off the shore of Cleveley's Beach in Blackpool, which is part of repair works to a United Utilities pipeline.

The enabling works for the outfall pipe follow the grounding of the Riverdance ferry, at the same spot in 2008, which caused damage to the pipeline beneath the beach.

The cofferdam, being constructed by VolkerGround Engineering, is 25m long and 8m wide and is constructed using 20m long sheet piles. It will act as both excavation support in a tidal zone and a containment structure for the repair of the pipeline.

VolkerGround Engineering's early involvement in the development of the design solution lead to both the selection of the piles and the use of a self-elevating platform for these works. The selection of the self-elevating platform "Haven Seajack I" was developed in close association with Red7Marine, part of our extensive network of plant and equipment suppliers.

On completion of the cofferdam, which is running to schedule, VolkerSteel Foundations will leave the vessel on site for the repair works and return to remove the cofferdam.