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Protecting the lifespan of wastewater structures


universities specialist contractors

We are UK wastewater industry specialist contractors, delivering protection, repair and maintenance solutions for concrete assets in this sector.

We work in partnership with major water authorities and service providers such as Anglian Water, Nomenca and Severn Trent Water to protect vulnerable wastewater structures from contamination and chemical attacks due to raw sewage.

Experienced Sector Specialists

We have completed extensive projects over many years in areas such as concrete repair systems, coatings and structural refurbishment. Using a range of wastewater-approved products; our repair, refurbishment and maintenance services also cover aqueducts, bridges, chemical bunds, filter beds, grit separators, inlet works, pipes, screen channels and surge vessels.  We are able to clean, repair, coat and seal a full range of tanks including water, storm, final settlement, reception, humus and primary settlement tanks.

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The Protection and Repair of Wastewater Structures

Properly treated wastewater is essential to protect the environment and prevent disease.  Many wastewater treatment plants suffer from the effects of hydrogen sulphide (H2S) that dissolves into the surface, forming sulphuric acid that attacks concrete and can have a detrimental effect on the lifespan of a structure.  Wastewater concrete structures can suffer significant deterioration, cracks and leaks that compromise standards in the handling and storage of wastewater.

Our experienced team offer a range of services including surveys and inspections to determine the extent of deterioration, providing information on the current condition of the structure and recommendations for the repair and future protection services.

Case study Wet Well Refurbishment following Hydrogen Sulphide Corrosion - Anglian Water

The lifespan of a pumping station wet well was significantly increased for Anglian Water with a cementitious coating system following its structural repair. The structure had suffered from hydrogen sulphide corrosion to internal concrete surfaces.

You can read more about this project here.
sector specialist contractors
Case study Sludge Tank Refurbishment – Severn Trent Water

We completed a refurbishment scheme for three sludge tanks and a buffer tank for Severn Trent Water at Colehill Sewage Treatment Works. We were asked to complete a series of repairs caused by badly poured and finished concrete. A specialist concrete coating system was specified for the job to protect rebar and provide sufficient concrete cover.

You can read more about this project here.
Sludge tank prepared for coating work
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