Weymouth Flood Defence Project

Project overview

As part of the Weymouth flood and coastal defence project, Dorset Council is working with Dorset Coast Forum, the Environment Agency, Wessex Water and WSP (engineering consultants), to develop an Outline Business Case (OBC).

An OBC is a document required by the UK Government Treasury when government funds are requested. The OBC will investigate costs and benefits of a range of options, then recommend the preferred options to improve Weymouth’s resilience to flood and erosion risks.

This OBC project will build on earlier work carried out by Dorset Council and the Environment Agency exploring possible options for managing flood and coastal erosion risk in Weymouth. The earlier work recommended a phased approach to improve resilience in three stages:

• up to 2042
• up to 2062
• beyond 2062

The OBC being produced will apply for funding for the first phase of work to take the project up to 2042. It will prioritise sections of harbour walls that are currently lower, or close to the end of their design life, and sections identified along the esplanade which are at the most risk of erosion.

Managing impacts associated with any proposed improvements is a key consideration. These include minimising disruption as far as practicable to businesses, harbour operations, residents, and the community of Weymouth, and managing impacts on fisheries and the environment.  As part of the project, we will also be delivering exciting new regeneration opportunities for Weymouth.

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