Shanklin Storage Tank and Pumping Station, Isle of Wight, UK

Synopsis:
Design and detailing of extensions and modifications to sewer outfall
Contractor:
Miller Civil Engineering
End Client:
Southern Water

The development at Shanklin involved the construction of new combined sewers, holding facilities, sea wall and deep sea outfall. The prime feature of the project was the construction of a 25 m internal diameter, 11 m deep underground holding tank immediately adjacent to the sea.

Sea protection works by way of a new concrete sea wall was required. The new project was required to blend sympathetically with the surrounding area, to incorporate a new slipway to the beach and to provide ancillary buildings in character with the location.

The tank was constructed using a ring of CFA piles as temporary works with the internal tank walls being cast ‘top down’ to the new base slab, the roof being cast as the final stage.

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