Holding tanks / tight septic tanks
The holding tanks (tight septic tanks), are made from the polythene (HDPE) and have a structure of the double wall tank. They are intended to accumulate of sewers, rainwaters etc.
The Standard height of the manhole of the revisory of the holding tank takes about 0.6 metre. It is possible to increase it through applying and the join of superstructures. If the customer wants, it is possible to make the factory superstructure of the revisory manhole exists to the demanded height.
The holding tanks hold the following certificates:
- Technical approval: AT-15-92-78 / 2014
- Hygienic seal of approval: BK/W/ 0338 / 02 / 2018