![]() whether it is for irrigation only, or for re-use within the home. Greywater should only be used for toilet flushing if it has been treated to reduce harmful bacteria to an acceptable level. ![]() Greywater filters will need to be replaced from time to time, and the solids that settle on top of the greywater must be removed regularly. The water flows continuously through the filter and directly to the irrigation system. In a simple filtration device such as this, greywater is discharged into a tank containing the filter material that consists of a layer of bark over a filter-cloth and a sand layer. ![]() Greywater must be filtered to avoid clogging the system. discharge directly into the sewer or to an on-site discharge.The surge tank must be emptied completely each time greywater is dispersed to the irrigation or treatment system – greywater must not sit for extended periods of time in the tank.Ī gravity system can only be used when there is sufficient fall from the laundry/bathroom drain to the surge tank. The surge tank can be any type of container that is suitable for holding (but not storing) the initial surge of water. The greywater can be diverted either by gravity or by using a pump. ![]() The greywater is held briefly in the tank before being discharged to an irrigation or treatment system. Greywater is water from basins, baths and showers that is piped to a surge tank. Greywater systems must comply with Building Code requirements. Greywater systems used for toilet flushing should have a treatment system. Greywater systems used for irrigation typically comprise a surge tank and a method of discharge to an irrigation system. The key consideration is the health and safety of property users. This size should be increased by 6800 litres (6.8m³) for each additional user.A greywater system diverts waste water either to an irrigation or a treatment and recycling system. A ’high level’ alarm is available for monitoring the Storage Tank for optimum usage.įor added safety, Storage Tanks can be supplied with a lockable manhole cover.įor a single dwelling 18180 litres (4000 gallons) is the minimum allowable capacity. Storage Tanks are for storage only and their contents have to be emptied at regular intervals by tanker. Full installation instructions are provided with each unit, but are also available on request. The Storage Tank will need to be ballasted internally with water and remain so until the concrete has set. They are constructed from non-corrosive materials, designs in accordance with BS 6297: 1983.Įvery Storage Tank is tested to ensure that it is watertight and structurally sound.ĭelivered as a complete unit ready for installation, each Storage Tank must be installed in a level condition and bedded on, and surrounded with, 225mm thickness of concrete. A Klargester Storage Tank provides a reliable solution for locations without mains drainage, where the discharge of treated effluent is not permissible due to unsuitable ground conditions, or where infrequent or seasonal use, such as a holiday home, would prevent the successful functioning of a BioDisc/Biotec packaged treatment plant, for example.Īt a competitive price Kingspan Environmental Storage Tankss have been successfully installed throughout the world since 1967.
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