Computer models of the Welsh coastal waters will be developed and assessments of bathing and shellfish waters carried out to determine whether further investments are required to DCWW assets in order to maintain high levels of quality.

The project is being delivered by a capital delivery alliance comprising Mott MacDonald Bentley alongside joint ventures between Morgan Sindall and Arup, plus Skanska and Arcadis.

The alliance has also engaged water consultants Intertek and a specialist survey team led by APEM. To carry out the surveys APEM has teamed up with Professor David Kay from CREH Ltd, who has a unique technical capability in this area of work, and with Fugro EMU for specialist oceanographic surveys.

APEM’s project manager is Rob Moore, who was previously the policy advisor for England and Wales for bathing water and shellfish water quality at the Environment Agency.

Rob said: “Wales has some of the best beaches in the UK and it is important to maintain them, or where necessary improve them further, to support economic growth and protect public health.

“The surveys follow an approach that has been used very successfully in other parts of the UK and will allow DCWW to assess the potential impact of its sewerage assets on designated bathing beaches and shellfish production sites.

“In fact, a large part of the work is about identifying where DCWW is not the source of pollution that could have impacts on the status of these important sites.”

Mott MacDonald Bentley’s Mark Dives, project manager of the capital delivery alliance, said: “This project will make use of a number of innovative techniques, such as state-of-the-art modelling, simulating coastal dynamics and pollutant transport, as well as the most advanced costal survey technology ever seen.

“The study area covers over 2700 km of coastline, including more than ten major estuaries.

“The sheer scale of the task in hand – to gather a huge amount of historic data to feed the study and drive a substantial survey programme to gather new data – in the time available will provide a big challenge.”

River and coastal survey work is already underway, with the project due to be completed at the end of the first quarter of 2017.

If you have any queries, please contact Rob Moore, principal aquatic scientist.
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