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A Retrofitted Pre-Cast Concrete Ring 400 Population Sewage Treatment Plant

A large hotel in Hertfordshire required a more bespoke solution due to limited timescales and limited space, and CM were able to design and install a sturdy system that achieves impressive discharge rates.  The photos show the innovative design and integral pipework for the diffusers, pumping air directly into the chambers to make the all-important bacteria grow.  Following testing, the discharge rates are outstanding, containing much less BOD, ammonia and suspended solids than the required levels for the Environment Agency. And the above ground appearance is minimal considering the size of the unit.  CM will continue to maintain and service this system to ensure it keeps to the highest of standards. Please contact us if you require a solution for a difficult site.  

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