Our Work

Wastewater

Sludge Holding Tank Refurbishment

Stonbury were contracted by a framework client to refurbish two sludge holding tanks at a sewage treatment works constructed in the early 1970’s. The works formed part of a larger upgrade to the waste water treatment works and this element of the project required specialists in the application of chemical protective lining systems.
Wastewater

Inlet Chamber Reconstruction

Due to severe hydrogen sulphide attack, Stonbury were contracted to rebuild a failing inlet chamber at a wastewater treatment works (WWTW), this included the replacement of all defective rebars within the walls.
Wastewater

WWTW Roof Replacement

Due to water ingress into a high priority equipment building located on a waste water site, Stonbury were asked to complete a full inspection of the roof structure prior to recoating and waterproofing.
Wastewater

WWTW Tank Repairs

Following a non-destructive testing (NDT) survey at a WWTW, it was identified that major concrete repairs were required to five tanks, to ensure the plant could remain in use. However, the works could only be undertaken during a full plant closure.
Wastewater

Wet Well Refurbishment

Stonbury were contracted to undertake refurbishment works to a deteriorating waste water wet well. Inspection to the asset had found defected concrete surfaces and exposed and corroded steel reinforcement caused by hydrogen sulphide attack.
Wastewater

Lagoon Refurbishment

A final settlement lagoon required repair and refurbishment work due to wildlife damage and bank slippage, which had caused the lagoon to leak. A ‘Land Drainage’ consent from the local council was required before the works to the channel could go ahead.
Wastewater

Lagoon Repair and Refurbishment

To extend the life of two final settlement lagoons, Stonbury was required to carry out refurbishment works, which included repairs to the outfall structure, the installation of an EPDM liners and replacement pipework.
Wastewater

Steel Sludge Holding Tanks Refurbishment

Stonbury, specialist contractors to the Water Industry, have recently completed the internal refurbishment of 2 steel sludge holding tanks.
Wastewater

Hartshill Digester Refurbishment

Stonbury were recently commissioned to carry out refurbishment works to the gas zone of a Digester. The inspection to the soffit, revealed that the existing coating had failed and that the exposed concrete had suffered from attack by the Hydrogen Sulphide gases.

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