Southwater Village, West Sussex

Infrastructure and Masterplanning

A complex infrastructure project on a large scale, focusing on improving the water output systems and resolving local flooding for the community.

The Southwater project involved the creation of a village centre with retail, commercial, residential and community facilities. This was a fantastic opportunity to demonstrate our full structural and civil infrastructure and masterplanning capabilities and involved detailed design of reinforced concrete, timber, steelwork and masonry.

The village’s stormwater outfall was a complex challenge. After a thorough hydrological assessment, Walsh demonstrated that this water could be discharged directly into the local watercourse without filtering, leading to major time and cost savings for the client. We also reappraised the local foul water infrastructure to identify how we could utilise full capacity at minimal cost, allowing the project to move on quickly and efficiently.

This project involved continuous collaboration between the local community and several other stakeholders, a process that enriched and secured the end result. In terms of approvals we were able to assist in seeking several land drainage consents and S104 sewer adoptions for our client. Also, impressed with out thorough and open way of working, The Environment Agency granted us the rare privilege of agreement for an unrestricted discharge – enabling us to move forward with the job.

A Sustainable Urban Drainage System (SUDS) was implemented to prevent flooding downstream and the sewers were upgraded in the area. At the end of the project the flooding in the local area was resolved. All this on schedule and below budget for our client.

Southwater – Resized

Key Facts

  • Client: Sipson Gray, Millar, Horsham District Council, West Sussex County Council
  • Location: South West London
  • Year: 2006

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