BioSure Sewage Treatment Plant Problem & Solution

Compromised Septic Tank, Failed soakaway
BioSure Sewage Treatment Plant
Biggleswade, Bedfordshire, SG18
12 October, 2014
Dry, Good Ground drainage
6 Person

At this property in Bedfordshire we installed and commissioned a sewage treatment plant and soakaway / drainage field to replace a failed septic tank system.  The ageing septic tank had been causing problems for several years and the homeowners wanted to replace the tank with a modern sewage treatment plant as this would provide an effective and environmentally friendly way of disposing with their waste water.

After a detailed survey was conducted, Mantair engineers recommended the installation of six person Biosure packaged sewage treatment plant; this being in accordance with the British Water Flows and Code of Practice for sizing small sewage treatment plant.


It was necessary for a new soakaway / drainage field to be constructed for the disposal of the treated effluent as no ditches or streams were available.  Prior to the design and size of the soakaway being determined it was necessary for ground tests to be carried out to determine the porosity of the ground.  The porosity of the ground in conjunction with the size of the sewage treatment plant determines if a soakaway will operate effectively, and if so, the size of soakaway required.


As with all sewage treatment plant installations Mantair conducts, the Biosure was installed with a concrete surround to protect the structural integrity of the tank.  An independent RCD protected power supply was installed from the property to the Biosure, with the relevant NICEIC Certification being obtained.

Prior to the project being completed the local Building Control officer inspected the works, approved all elements of the project and issued a Building Notice Certificate.


Operating throughout all of Bedfordshire and surrounding Counties, Mantair are well placed to provide homeowners with a septic tank and sewage treatment plant installation service.  Mantair provides a comprehensive service, including free site inspections, guidance and advice on the most suitable system, complete installation, commissioning and full after sales care.

If you would like a Mantair engineer to visit you regarding an existing septic tank problem or sewage treatment plant installation, please fill out the contact us form, or contact us on 01255 853890.