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Central Area Coast Protection, Blackpool
Value: £66.4 million
Customer: Blackpool Council
This scheme is the largest ever Defra funded coastal defence project in the UK and runs for a length of approximately 3.5km.
The new defences generally comprise two rows of sheet piles with a sloping revetment between the two. The revetment is formed from fill material, placed at a slope of 1:3 and capped with a concrete blinding layer. On top of this blinding layer are precast concrete step units, typically 3m x 5m on plan.
These units combine to form a continuous concrete apron. Behind this stepped apron is a flat berm (cast insitu) and precast wave wall. Inland of the wave wall and up to the tram tracks the promenade is being replaced with coloured concrete paving. The new sea defences are constructed seaward of the existing, with five headlands projecting 50 metres out to sea, creating large areas of new promenade which will be finished to a very high standard.
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