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Littlehampton Flood Defence Scheme


VolkerStevin on behalf of the Environment Agency is currently delivering a £14.5m scheme to improve the tidal flood defences along the East Bank of the River Arun in Littlehampton. The scheme includes flood defences from the lighthouse on the Promenade, to north of the A259 and is expected to be completed by March 2015.

The scheme includes construction of a new tidal river wall to protect over 2,000 residential properties and businesses against 100 years of predicted sea level rise. It will also improve the walkway along the riverside, creating an attractive pedestrian route between the town and the beach.

The main elements of construction include sheet piling (3000 tonnes of steel sheet piles), concrete flood walls, earth embankments, construction of a king pile wall,  pontoon systems, river accesses, creation of wetland habitat, highway and services re-configurations and public realm works including new promenades, landscape features, planting and street furniture. Glass panels will also be installed in some locations to enhance the views across the river.

Careful planning has ensured that the new promenade has wide visual appeal through the use of improved lighting, planting and attractive seating areas. The materials incorporated within the scheme have been carefully chosen to preserve the coastal identity of Littlehampton whilst being robust enough to endure the exposed conditions.

Collaboration and cooperation is a key feature of the scheme which is being delivered in partnership with the Environment Agency, Arun District Council, West Sussex County Council and Littlehampton Harbour Board. All of whom have worked together to ensure plans will deliver maximum benefit to the local community both in terms of flood defence and environmental improvements. 

The works are predominantly in an urban area, with promenades, private residences, commercial and industrial interests fronting the river.  We have deployed a public liaison manager as the single point of contact for the local community. We have opened a drop-in information centre where interested parties can ask any questions, see plans of the build and visuals of how the scheme will look post construction. Our construction methods have been planned to minimise disruption and mitigation measures have been taken such as installation of Noise Reduction Panels to ease noise impact during piling.

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