Our work

Case studies of our projects across the UK.

Water
Wastewater
Environment

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

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

On behalf of the EA 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.

Scum board replacement

Delivering a scum board replacement and access platform installation on a sewage treatment site, our innovative methodology delivered maximum value for our client.

ROV Spot Sampling

Stonbury company Panton McLeod demonstrates the importance of utilising technology that enables the assessment of water quality within the body of clean treated water service reservoirs.

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.

Contact tank clean and repair

Collaborating with Stonbury company Panton McLeod, we delivered cleans and repairs to three WTW contact tanks on a potable water treatment site in the Northeast.

Improving water quality compliance

Companies within the Stonbury Group were enlisted to provide a chemical clean and baffle curtain modifications within a treated water reservoir to reduce the potential presence of bacteria and remove dead spots within the tank.

Diesel tanks & bunds

All surfaces to the tanks and bunds have been cleaned and prepared using specialist precision dustless blasting equipment, ensuring no contamination to other areas of the water treatment plant. Following preparation, all surfaces of the diesel tanks and pipe work have been protected by the application of a 3 coat high performance polyurethane coating. Bund areas have been locally repaired and protected by the application of a 2 coat chemically resistant epoxy coating.

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.

Constructed wetland refurbishment

We refurbished a large constructed wetland at a water recycling centre to restore effluent processing efficiency within the reed beds

Improving water conveyance

Flash flooding has become a major challenge across the UK affecting both water catchment and the wastewater network, making projects that maximise water conveyance and reduce flooding a vital part of our work. This particular project re-enabled the effective operation of a flood storage area upstream.

Badger protection and re-location works

In an effort to maintain flood defence abilities of a drain that had been categorised as requiring further action to sustain its level of flood risk into the future, Stonbury completed works to safely relocate and exclude badgers from an existing sett.

Fish rescue and relocation

Stonbury is pleased to have completed a fish rescue and relocation on behalf of the Environment Agency to protect fish from harm prior to scheduled de-silting works.

Harbour desilting & flood gate release

Stonbury was asked by the Environment Agency to propose and execute a solution to free a set of floodgates within a harbour on the bank of the tidal River Severn.

Maintenance works

Stonbury was contracted to carry out maintenance works along a section of a man-made channel after years of neglect had caused the channel to become overgrown.