The effluent from a biological treatment plant is normally allowed to discharge directly into a watercourse although in some cases the authorities may require that it is disposed of into an underground “soakaway” system. Full details of soakaway systems and ground porosity tests are given in Balmoral’s disposal of effluent datasheet although it should be noted that BS6297 permits the area of soakaway drain to be reduced by 20% where treated effluent is to be dispersed. In most cases it will be necessary to install a sampling chamber downstream from the treatment plant to allow effluent samples to be easily obtained. It is also useful as an inspection chamber/rodding access. See Balmoral sampling chamber datasheet.
Balmoral sampling chamber
These units are designed to be installed “downstream” of septic tanks and sewage treatment plant to allow easy access for effluent sampling and to comply fully with EA/SEPA requirements. This advanced design is rotationally moulded in high grade polyethylene and has exceptional impact resistance, yet is extremely light and easy to install.
The Balmoral sampling chamber is designed for drain invert depths down to 1m but can be cut down for shallower invert depths. There is a 150mm drop between inlet and outlet pipes which can accommodate even the largest sampling vessels.
Unique features include:
• Variable angle for drain inlet entry
• Adjustable drop between inlet and outlet
• Adjustable to suit varying invert depths
• Very rapid installation time when compared to traditional methods
• One piece moulding giving leak proof and corrosion resistant construction
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