United Utilities PLC Awards Contract Extension to Severn Trent

Following the successful completion of the contracts to install TETRA DeepBed gravity filters at eight wastewater treatment sites for United Utilities PLC, Severn Trent Services has been awarded a contract extension for an additional two years.
United Utilities is responsible for the operation of regulated water, wastewater and electricity distribution networks in northwestern England. The eight systems completed to date handle a combined flow capacity of 573,353 cu meters per day. The work, part of a framework agreement that includes a number of ongoing capital improvement projects, began in 2003. The contract value thus far under the framework is over £7.2 million.
TETRA DeepBed gravity filters use a coarse sand media to retain solids throughout the filter bed, extending the filter’s run time before backwashing is required. Key benefits of gravity filtration include greater filtration efficiency, higher throughput, improved effluent quality, reduced space requirements and reduced operating costs. Over the past 10 years, Severn Trent Services has installed over 100 TETRA filters throughout the U.K.

Severn Trent Services

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