Wolsingham Sewage Treatment Works (STW)

Rainton Construction was awarded ‘Project of the Year (£1m-£5m)’ and ‘Subcontractor of the Year’ in the Civil Engineering Contractors Association (CECA) North East Awards 2022 for our work on Wolsingham Sewage Treatment Works (STW).

Due to population growth in the catchment, an upgrade was required to make the site adjacent to the River Wear, between Crook and Stanhope in North West Durham, more resilient and meet increased demand.

Through collaborative work with the main contractor, Tilbury Douglas, we ensured positive outcomes for the client, Northumbrian Water. Rainton Construction was appointed as a subcontractor to carry out various works on the site.

Scope of works

• Foundations
• Drainage (above and below ground)
• RC Structures
• RC Roads
• Demolition
• Landscaping
• Vehicle restraint systems

This was a highly complex and specialised project that included a combination of new STW components and upgrading existing facilities. New technology was fitted to manage the increase in demand due to a growing population, both now and long into the future.

The project won the ‘Civils Project of the Year’ and ‘Sustainability Project of the Year’ at the CENE Awards 2021 in recognition of the innovative, sustainable design solutions used to assist Northumbrian Water in creating a resilient water network. The judges commented on exemplar collaboration as a stand-out feature of the project, and it went on to win the ‘National Award for Innovation’.

In 2022, the engineering project won the ‘large’ category at the Institution of Civil Engineers North East’s Robert Stephenson Awards.

We are delighted to have contributed to the project’s success.