Discrete & Unobtrusive
Reinforced Concrete
EN 12566-3 Certified
Extended Desludging Intervals
Suited for Existing Septic Tank Upgrades
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Capacity
The system comprises a full 4000 Litre ( 900 gal ) Primary Treatment tank and a similarly sized Secondary Treatment tank. This allows for substantial sludge storage to extend the interval between desludging – typically 3 – 5 years. Because of this unique two-stage construction, the Oakstown BAF® system is ideally suited to upgrading existing septic tanks.
Strength
Unlike some plastic systems, the Concrete Tanks will not rise, or crush, when ground water rises and clay expands during inclement weather. Furthermore, there is no requirement for concrete backfilling around our tanks, simply backfill with clay – a considerable saving.
Certification
The BAF® system has been extensively tested at the Institute of Wastewater Technology in Aachenin Germany to achieve certification to En12566 part 3. The treatment efficiency results far surpass the requirements of the Irish annex to En12566-3