Our Work

Maintenance

Weed and Vegetation Management

Stonbury is equipped to assist clients with the management of non-native and overgrown native weeds from within and around watercourses, using a range of methods to suit the environment and type of vegetation.
Maintenance

Water Asset Dechlorination

As a responsible contractor, Stonbury is pleased to assist clients in potable water asset dechlorination to ensure protection of the environment during cleaning and draining procedures.
Maintenance

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.
Maintenance

Habitat Protection during Reservoir Repair

Stonbury was contracted to complete a repair to a crack in a reservoir roof located within a Site of Special Scientific Interest (SSSI) containing the protected plant species Hairy Mallow.
Maintenance

River Embankment Maintenance

After a successful past three years, Stonbury was again selected by the Environment Agency to complete essential maintenance works to 35 kilometres of flood embankments along the River Severn.
Maintenance

Water Feature Maintenance

Stonbury returns to a water feature it built two years ago as part of a long term maintenance programme.
Maintenance

Wave Wall Investigation

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

Invasive Species Clearance

Stonbury was contacted by a local council regarding an on-line balancing pond that was built on the Moorgreen Stream, due to overgrowth of Typha latifolia (bulrush/reedmace) and the presence of the invasive non-native Hydrocotyle ranunculoides (floating pennywort) identified by the Environment Agency.
Maintenance

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

HYDROMETRIC STATION ASSET MAINTENANCE

Following the successful completion of routine maintenance works at over forty-five hydrometric stations, Stonbury has been awarded several contracts to manage and carry out routine quarterly maintenance at over one hundred gauging sites across Wales.
Maintenance

IMPROVING WATER CONVEYANCE

Stonbury was contracted to complete works along a tributary of the River Avon in Worcestershire. The works were necessary to maximise conveyance and improve the positive impact of the flood storage area upstream.
Maintenance

RIVER CHANNEL WORKS

Working with an ecologist, Stonbury recently cleared 650 metres of dry channel, including the removal of obstructions to flow. Site won, green materials were then used to enhance the stream. Gloucester Wildlife Trust commissioned this work as part of the ERDF Wild Towns Project, which had been developed to create, connect and enhance green spaces for wildlife across Gloucestershire.

Registered Office: Chawston House, Chawston Lane, Chawston, Bedfordshire, MK44 3BH
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