Our work

Case studies of our projects across the UK.

  • Water
  • Wastewater
  • Environment
Large-scale reservoir refurbishment

Large-scale reservoir refurbishment

We completed a major refurbishment project at a strategically important water treatment works, extending the lifespan – by over 10 years – of a critical asset whilst mitigating the need for a costly and carbon intensive new build alternative.

Storm tank installation

Storm tank installation

A 55 cubic metre sectional-steel storm tank with sustainable features was installed at a wastewater treatment site to comply with regulations to cut sewage overflows. The works significantly reduced running costs for our client and allowed them to meet specified carbon reduction targets while increasing stormwater capacity to help protect local waterways for decades to come.

Large-scale weir removal

Large-scale weir removal

We successfully opened 340 miles of catchment in the largest project of its kind – in the country – by removing a 70 meter wide, 900 year old medieval weir. Removing the weir significantly improved fish migration, spawning grounds and habitat. Fallen water levels have also allowed natural ecological processes to recommence.

Larinier type fish pass installation

Larinier type fish pass installation

Stonbury were commissioned to install a fish pass at Crumpwood Weir, near Uttoxeter, which was identified as a significant barrier to fish migration.

Chalk stream restoration

Chalk stream restoration

A local Rivers Trust contracted Stonbury to restore a section of an SSSI-designated chalk stream in Hampshire to a more natural, ecologically resilient state.

Reedbed refurbishments

Reedbed refurbishments

Stonbury were engaged to carry out refurbishment works to a reedbed system at a Water Recycling Centre (WRC) in the South of England.

Pipe bridge refurbishment

Pipe bridge refurbishment

Stonbury was contracted to carry out refurbishment works to two pipe bridges located on the River Chelt.

Bank reinstatement and erosion protection

Bank reinstatement and erosion protection

Stonbury delivered a long-lasting hybrid green engineering solution to re-shape and stabilise a section of riverbank after the existing sandstone retaining wall had eroded.

Wave wall investigation

Wave wall investigation

Stonbury was contracted to complete investigation works into the condition of an existing wave wall structure on an impounding reservoir.

Fish rescue and relocation ahead of scheduled desilting at Trews Weir

Fish rescue and relocation ahead of scheduled desilting at Trews Weir

We supported biodiversity protection on the River Exe with a specialist fish relocation, allowing planned desilting works to proceed safely under the AOMR framework.

Reinforcing coastal wastewater outfalls on the North Sea

Reinforcing coastal wastewater outfalls on the North Sea

We delivered urgent structural repairs and erosion protection to safeguard a wastewater outfall at risk of collapse.

Slow sand filter refurbishment

Slow sand filter refurbishment

We modernised an ageing sand filter to support longer, more efficient operational cycles.

Flood mitigation

Flood mitigation

Stonbury was contracted by the Environment Agency to complete an initial vegetation cut, followed by other flood mitigation measures on an 800-metre stretch alongside the River Isbourne.

Improving gauging station access

Improving gauging station access

We delivered a custom access solution for the Environment Agency to support safer inspections in Devon.

Sludge tank refurbishment

Sludge tank refurbishment

As part of a significant multi-site wastewater treatment works framework, Stonbury was pleased to deliver the refurbishment of a brick sludge tank, returning the vital asset back to service.

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