Klargester Sewage Treatment Plant Problem & Solution

Compromised Ces Pit
Klargester Sewage Treatment Plant
Chelmsford, Essex, CM1
30 July, 2015
Dry, Poor Ground drainage
10 Person


Sewage treatment plants offer Essex homeowners with a modern alternative to septic tank systems for areas without access to mains drainage. As leading independent installers and service providers for sewage treatment plants in Essex, Mantair is ideally placed to provide Essex homeowners with a sewage treatment plant to meet their site requirements, or provide the expertise required for assessing septic tank problems.

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We were contacted by the owners of this property on the outskirts of Chelmsford in Essex with a view to replacing their failed cesspit system with a Klargester sewage treatment plant.

After conducting a detailed survey at this Essex location, Mantair engineers recommended the installation of a ‘below-ground’ Klargester Bioficient sewage treatment plant.  The Bioficient is the latest treatment plant produced from Klargester and provides a highly economical solution for sewage treatment in rural locations.

Using the British Water Flows and Loads Code of Practice – 4, Mantair engineers recommended the installation of a Ten-Person Klargester Bioficient system.  It was also a requirement to install a pumping station as the treated effluent needed to be pumped to a receiving watercourse.

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As part of the project Mantair engineers liaised with the Environment Agency and the local Building Control department to obtain the relevant approvals for the installation.

Prior to any excavations being carried out Mantair engineers scanned the area of works for any underground services. Using ‘euro-mats’, Mantair engineers constructed a temporary protective pathway into the garden area to ensure that the required machinery wouldn’t cause any damage to the lawn.

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As with all underground septic tank and sewage treatment plant installations Mantair carries out, the tank was completely encased in concrete to ensure the structural integrity of the tank is not impaired and to prevent the potential of flotation.

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Scope of the installation works included:

  • Exposing the existing foul drainage pipework and installation of new drainage to the Klargester Bioficient sewage treatment plant;
  • Complete installation of the Klargester Bioficient treatment plant in a suitably sized excavation and back-fill;
  • Installation of the Secoh air blower within a remote blower housing and provision of an RCD protected power supply;
  • Installation of the air main from the blower housing to the Klargester Bioficient sewage treatment plant;
  • Installation of the pumping station and pumping main;
  • De-commissioning of the existing cesspit system.

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On completion of the ancillary works, Mantair engineers commissioned both the Klargester Bioficient sewage treatment plant and pumping station, including setting of air valves, checking all pipe work joints and viewing the discharge into the receiving watercourse.

All machinery was removed from site with the garden being left in a neat and tidy manner.

Mantair provides a comprehensive septic tank and sewage treatment plant service throughout Essex. This includes free site inspections, guidance and advice on the most suitable system for our client’s requirements, complete installation and full after sales care.

If you would like a Mantair engineer to visit you fill out the form below or contact us on 01255 853890.