Tricel Sewage Treatment Plant Problem & Solution

Failed soakaway
Tricel Sewage Treatment Plant
Bury St Edmunds, Suffolk, IP33
14 January, 2024
6 Person

Sewage treatment plants offer Suffolk homeowners with a modern alternative to septic tank systems for areas not serviced by mains drainage. As leading independent installers and service providers for sewage treatment plants in Suffolk, Mantair is ideally placed to provide Suffolk 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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Located on the National Trust’s Ickworth Estate near Bury St Edmunds in Suffolk, in an area of outstanding beauty is “The Roundhouse”.  After the renovation of the property Mantair were appointed by the National Trust as the preferred contractor to provide a design, installation and commissioning service for the upgrading of an ageing septic tank serving the property.

Mantair engineers carried out a detailed survey of the location to determine the ground conditions of the site and to evaluate the position of underground services.  The results of a Percolation Test showed the sub-strata to be impermeable and that a replacement septic tank soakaway system would not operate effectively.

After considering all the various options for foul drainage disposal and the size of the property, Mantair recommended the installation of a six – person sewage treatment plant with a discharge direct to a nearby watercourse.  It was important that the chosen treatment system was installed below ground to ensure there was no visual impact on the properties surroundings.

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As part of the project Mantair liaised with the Environment Agency and the local Building Control Department to obtain the relevant approvals for the installation of the sewage treatment plant and the discharge to the nearby watercourse.

Taking into account all of the site requirements, Mantair recommended the installation a Tricel sewage treatment plant with MEDO air blower.

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 of the tank.

The installation of the sewage treatment plant included:

  • Exposing the existing foul drainage pipe work and diverting to the location of the new Tricel sewage treatment plant;
  • Installation of the Tricel sewage treatment plant in a suitably sized excavation and back-fill;
  • Locating the air blower within a Beehive blower housing – a purpose built housing designed to blend into the natural surroundings;
  • Provision of an RCD protected power supply to the Beehive housing;
  • Installation of the air main from the air blower to the Tricel sewage treatment plant;
  • Installation of a new 110mm diameter discharge drain to the receiving watercourse, including for the installation of a headwall;
  • Backfilling all excavations and leaving the area neat and tidy.

On completion of the ancillary works Mantair commissioned the Tricel sewage treatment plant, including setting of air valves, checking all pipe work joints and viewing the discharge into the final discharge chamber.

After all works were completed at this Suffolk location, Mantair provided the National Trust with a Maintenance Agreement providing a full after care service for the newly installed sewage treatment plant.

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

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